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Reviewed-on: #3

.agent/rules/coding-guidelines.md

@@ -22,3 +22,11 @@ Struct members: lower_snake_case. Exemple: data, node, next.
 global/static variables: lower_snake_case prefixed. Exemple: g_my_global.
 const variables: lower_snake_case prefixed. Exemple: k_my_const_var.
 Defines and Macros: ALL_CAPS_SNAKE. Exemple: MY_MACRO
+
+Modular Architecture & Include Rules:
+- Juliet uses a single-pass unity build pattern.
+- Layer aggregators `<layer>_inc.h` and `<layer>_inc.c` dictate header and source inclusion order.
+- Top-level translation units (e.g. `appbin_main.c`) include the layer `_inc` files in dependency order (`core` -> `render` -> `ui`...).
+- Sub-files within a module (e.g. `core.h`, `core_arena.c`, `render.c`) must NEVER directly `#include` other module headers, sibling headers, or configuration defines (`core_defines.h`).
+- Never add `#include` directives to sub-files to satisfy standalone LSP/compiler diagnostics. Tooling (`new_project_gen.c` / `compile_commands.json`) must supply preceding includes dynamically based on the base file include order.
+- Always explain root causes and confirm with the user before editing project architecture or files.

.clang-format

@@ -44,10 +44,14 @@ IncludeCategories:
 IncludeIsMainRegex: '([-_](test|unittest))?$'
 IndentAccessModifiers: false
 IndentCaseBlocks: true
+IndentPPDirectives: AfterHash
 IndentWidth: 4
 InsertNewlineAtEOF: true
 MacroBlockBegin: ''
 MacroBlockEnd: ''
+Macros:
+  - 'EachIndex(it, count)=(uint64 it = 0; it < (count); ++it)'
+  - 'EachNode(it, Type, first)=(Type* it = first; it != 0; it = it->next)'
 NamespaceIndentation: All
 ObjCSpaceAfterProperty: true
 PenaltyBreakBeforeFirstCallParameter: 100
@@ -57,15 +61,10 @@ PenaltyBreakString: 100
 PenaltyExcessCharacter: 1
 PenaltyReturnTypeOnItsOwnLine: 1000
 PointerAlignment: Left
+PPIndentWidth: 1
 SortIncludes: CaseInsensitive
 SpacesInAngles: Never
 SpacesInContainerLiterals: false
 Standard: Cpp11
-StatementMacros: 
-  - UPROPERTY
-  - UCLASS
-  - USTRUCT
-  - GENERATED_BODY
-  - UENUM
 TabWidth: 4
 ...

.clangd

@@ -3,6 +3,10 @@ CompileFlags:
     - --driver-mode=cl
     - -Wno-unknown-pragmas
     - -Wno-unused-command-line-argument
+    - -Wno-unused-function
+    - -Wno-undefined-internal
+    - -Wno-initializer-overrides
+    - /IJuliet
   Remove:
     - /Yu*
     - /Yc*
@@ -16,8 +20,15 @@ CompileFlags:
 
 Diagnostics:
   UnusedIncludes: None
+  Suppress:
+    - unused-function
+    - undefined-internal
+    - initializer-overrides
 
 InlayHints:
-  Enabled: Yes
+  Enabled: true
-  ParameterNames: Yes
+  ParameterNames: true
-  DeducedTypes: Yes
+  DeducedTypes: true
+  Designators: true
+  BlockEnd: false
+  TypeNameLimit: 24

.gitignore

@@ -9,6 +9,7 @@
 
 # Binaries
 [Bb]in/
+[Bb]uild/
 [Ll]ib/
 .idea/
 .vs/

.gitmodules

@@ -1,3 +1,14 @@
 [submodule "External/Imgui"]
 	path = External/Imgui
 	url = https://github.com/ocornut/imgui.git
+	# Pinned to v1.93.0 (c1aaac65e)
+
+[submodule "Juliet/external/xxHash"]
+	path = Juliet/external/xxHash
+	url = https://github.com/Cyan4973/xxHash.git
+	# Pinned to v0.8.4 (c87183a77)
+
+[submodule "Juliet/external/stb_sprintf"]
+	path = Juliet/external/stb_sprintf
+	url = https://github.com/nothings/stb_sprintf.git
+	# Pinned to v1.10 / commit 2ffb3379e

Game/Controller/ControllerUtils.h

@@ -1,4 +1,6 @@
 #pragma once
 
-constexpr index_t kPlayCamera  = 0;
+#include <Juliet.h>
-constexpr index_t kDebugCamera = 1;
+
+#define kPlayCamera  ((index_t)0)
+#define kDebugCamera ((index_t)1)

Game/Controller/DebugCameraController.c

@@ -0,0 +1,163 @@
+#include <Controller/DebugCameraController.h>
+
+#include <Controller/ControllerUtils.h>
+#include <Core/Common/CoreUtils.h>
+#include <Core/HAL/Keyboard/Keyboard.h>
+#include <Core/HAL/Mouse/Mouse.h>
+#include <Core/Memory/MemoryArena.h>
+#include <Graphics/Camera.h>
+#include <dcimgui.h>
+#include <math.h>
+
+global bool8   gIsDebugCameraActive     = false;
+global index_t gPreviousCameraIndex     = 0;
+global float   gPitch                   = 0.0f;
+global float   gYaw                     = 0.0f;
+global bool8   gFirstUpdate             = true;
+global bool8   gIsFpsModeActive         = false;
+global bool8   gWasRightMouseButtonDown = false;
+
+void ActivateDebugController(void)
+{
+    Assert(gIsDebugCameraActive == false);
+
+    Camera* currentCam   = GetCurrentCamera();
+    gPreviousCameraIndex = currentCam->Index;
+
+    SetCurrentCamera(kDebugCamera);
+
+    gIsDebugCameraActive     = true;
+    gFirstUpdate             = true;
+    gIsFpsModeActive         = false;
+    gWasRightMouseButtonDown = false;
+}
+
+void DeactivateDebugController(void)
+{
+    Assert(gIsDebugCameraActive);
+
+    gIsDebugCameraActive = false;
+
+    SetCurrentCamera(gPreviousCameraIndex);
+}
+
+bool8 IsDebugControllerActive(void)
+{
+    return gIsDebugCameraActive;
+}
+
+void UpdateDebugController(float dt)
+{
+    Camera* currentCam = GetCurrentCamera();
+
+    if (gFirstUpdate)
+    {
+        Vector3 origin = { 0.0f, 0.0f, 0.0f };
+        Vector3 dir    = Vector3Sub(origin, currentCam->Position);
+        dir            = Normalize(dir);
+        gPitch         = asinf(dir.z);
+        gYaw           = atan2f(dir.y, dir.x);
+        gFirstUpdate   = false;
+
+        Vector3 forward    = { cosf(gPitch) * cosf(gYaw), cosf(gPitch) * sinf(gYaw), sinf(gPitch) };
+        Vector3 worldUp    = { 0.0f, 0.0f, 1.0f };
+        Vector3 right      = Normalize(Cross(worldUp, forward));
+        currentCam->Target = Vector3Add(currentCam->Position, forward);
+        currentCam->Up     = Cross(forward, right);
+    }
+
+    bool8 isRightMouseButtonDown = IsMouseButtonDown(MouseButton_Right);
+    if (isRightMouseButtonDown && !gWasRightMouseButtonDown)
+    {
+        gIsFpsModeActive = !gIsFpsModeActive;
+    }
+    gWasRightMouseButtonDown = isRightMouseButtonDown;
+
+    if (gIsFpsModeActive)
+    {
+        MousePosition mouseDelta = GetMouseDelta();
+
+        float sensitivity = 0.005f;
+        gYaw += (float)mouseDelta.X * sensitivity;
+        gPitch -= (float)mouseDelta.Y * sensitivity;
+
+        gPitch = Min(gPitch, 1.5f);
+        gPitch = Max(gPitch, -1.5f);
+
+        if (IsKeyDown(ScanCode_Q))
+        {
+            gYaw -= 2.0f * dt;
+        }
+        if (IsKeyDown(ScanCode_E))
+        {
+            gYaw += 2.0f * dt;
+        }
+
+        Vector3 forward   = { cosf(gPitch) * cosf(gYaw), cosf(gPitch) * sinf(gYaw), sinf(gPitch) };
+        Vector3 worldUp   = { 0.0f, 0.0f, 1.0f };
+        Vector3 right     = Normalize(Cross(worldUp, forward));
+        Vector3 defaultUp = Cross(forward, right);
+
+        const float kMovementPerFrame = 10.f; // 10m/s
+
+        float speedPerFrame = kMovementPerFrame;
+        if (IsKeyDown(ScanCode_LeftShift))
+        {
+            speedPerFrame *= 10.f; // 100m/s
+        }
+
+        if (IsKeyDown(ScanCode_W))
+        {
+            currentCam->Position = Vector3Add(currentCam->Position, Vector3Scale(forward, speedPerFrame * dt));
+        }
+        if (IsKeyDown(ScanCode_S))
+        {
+            currentCam->Position = Vector3Sub(currentCam->Position, Vector3Scale(forward, speedPerFrame * dt));
+        }
+        if (IsKeyDown(ScanCode_D))
+        {
+            currentCam->Position = Vector3Add(currentCam->Position, Vector3Scale(right, speedPerFrame * dt));
+        }
+        if (IsKeyDown(ScanCode_A))
+        {
+            currentCam->Position = Vector3Sub(currentCam->Position, Vector3Scale(right, speedPerFrame * dt));
+        }
+        if (IsKeyDown(ScanCode_Space))
+        {
+            currentCam->Position = Vector3Add(currentCam->Position, Vector3Scale(defaultUp, speedPerFrame * dt));
+        }
+        if (IsKeyDown(ScanCode_LeftControl))
+        {
+            currentCam->Position = Vector3Sub(currentCam->Position, Vector3Scale(defaultUp, speedPerFrame * dt));
+        }
+
+        currentCam->Target = Vector3Add(currentCam->Position, forward);
+        currentCam->Up     = defaultUp;
+    }
+}
+
+#if JULIET_DEBUG
+void RenderImGuiDebugController(float dt)
+{
+    Camera* currentCam = GetCurrentCamera();
+
+    ImGui_Text("Delta time: %f", (double)dt);
+
+    ImGui_Text("Camera:");
+    ImGui_Indent();
+    ImGui_BulletText("Index: %zu", (size_t)currentCam->Index);
+    ImGui_BulletText("Position: (%.3f, %.3f, %.3f)", (double)currentCam->Position.x, (double)currentCam->Position.y,
+                     (double)currentCam->Position.z);
+    ImGui_BulletText("Target: (%.3f, %.3f, %.3f)", (double)currentCam->Target.x, (double)currentCam->Target.y,
+                     (double)currentCam->Target.z);
+    ImGui_BulletText("Up: (%.3f, %.3f, %.3f)", (double)currentCam->Up.x, (double)currentCam->Up.y,
+                     (double)currentCam->Up.z);
+    ImGui_BulletText("FOV: %.3f rad", (double)currentCam->FOV);
+    ImGui_BulletText("AspectRatio: %.3f", (double)currentCam->AspectRatio);
+    ImGui_BulletText("NearPlane: %.3f", (double)currentCam->NearPlane);
+    ImGui_BulletText("FarPlane: %.3f", (double)currentCam->FarPlane);
+    ImGui_BulletText("Pitch: %.3f, Yaw: %.3f", (double)gPitch, (double)gYaw);
+    ImGui_BulletText("FPS Mode: %s", gIsFpsModeActive ? "Active" : "Inactive");
+    ImGui_Unindent();
+}
+#endif

Game/Controller/DebugCameraController.cpp

@@ -1,170 +0,0 @@
-#include <Controller/DebugCameraController.h>
-
-#include <Controller/ControllerUtils.h>
-#include <Core/Common/CoreUtils.h>
-#include <Core/HAL/Keyboard/Keyboard.h>
-#include <Core/HAL/Mouse/Mouse.h>
-#include <Graphics/Camera.h>
-#include <imgui.h>
-
-namespace
-{
-
-    bool    gIsDebugCameraActive = false;
-    index_t gPreviousCameraIndex = 0;
-
-    float gPitch                   = 0.0f;
-    float gYaw                     = 0.0f;
-    bool  gFirstUpdate             = true;
-    bool  gIsFpsModeActive         = false;
-    bool  gWasRightMouseButtonDown = false;
-} // namespace
-
-void ActivateDebugController()
-{
-    Assert(gIsDebugCameraActive == false);
-
-    Camera* currentCam = GetCurrentCamera();
-    gPreviousCameraIndex       = currentCam->Index;
-
-    SetCurrentCamera(kDebugCamera);
-
-    gIsDebugCameraActive     = true;
-    gFirstUpdate             = true;
-    gIsFpsModeActive         = false;
-    gWasRightMouseButtonDown = false;
-}
-
-void DeactivateDebugController()
-{
-    Assert(gIsDebugCameraActive);
-
-    gIsDebugCameraActive = false;
-
-    SetCurrentCamera(gPreviousCameraIndex);
-}
-
-bool IsDebugControllerActive()
-{
-    return gIsDebugCameraActive;
-}
-
-void UpdateDebugController(float dt)
-{
-    Camera* currentCam = GetCurrentCamera();
-
-    if (gFirstUpdate)
-    {
-        Vector3 dir = Vector3{ 0.0f, 0.0f, 0.0f } - currentCam->Position;
-        dir                 = Normalize(dir);
-        gPitch              = asinf(dir.z);
-        gYaw                = atan2f(dir.y, dir.x);
-        gFirstUpdate        = false;
-
-        Vector3 forward;
-        forward.x             = cosf(gPitch) * cosf(gYaw);
-        forward.y             = cosf(gPitch) * sinf(gYaw);
-        forward.z             = sinf(gPitch);
-        Vector3 right = Normalize(Cross(Vector3{ 0.0f, 0.0f, 1.0f }, forward));
-        currentCam->Target    = currentCam->Position + forward;
-        currentCam->Up        = Cross(forward, right);
-    }
-
-    bool isRightMouseButtonDown = IsMouseButtonDown(MouseButton::Right);
-    if (isRightMouseButtonDown && !gWasRightMouseButtonDown)
-    {
-        gIsFpsModeActive = !gIsFpsModeActive;
-    }
-    gWasRightMouseButtonDown = isRightMouseButtonDown;
-
-    if (!gIsFpsModeActive)
-    {
-        return;
-    }
-
-    MousePosition mouseDelta = GetMouseDelta();
-
-    float sensitivity = 0.005f;
-    gYaw += mouseDelta.X * sensitivity;
-    gPitch -= mouseDelta.Y * sensitivity;
-
-    gPitch = std::min(gPitch, 1.5f);
-    gPitch = std::max(gPitch, -1.5f);
-
-    if (IsKeyDown(ScanCode::Q))
-    {
-        gYaw -= 2.0f * dt;
-    }
-    if (IsKeyDown(ScanCode::E))
-    {
-        gYaw += 2.0f * dt;
-    }
-
-    Vector3 forward;
-    forward.x = cosf(gPitch) * cosf(gYaw);
-    forward.y = cosf(gPitch) * sinf(gYaw);
-    forward.z = sinf(gPitch);
-
-    Vector3 right     = Normalize(Cross(Vector3{ 0.0f, 0.0f, 1.0f }, forward));
-    Vector3 defaultUp = Cross(forward, right);
-
-    static const float kMovementPerFrame = 10.f; // 10m/s
-
-    float speedPerFrame = kMovementPerFrame;
-    if (IsKeyDown(ScanCode::LeftShift))
-    {
-        speedPerFrame *= 10.f; // 100m/s
-    }
-
-    if (IsKeyDown(ScanCode::W))
-    {
-        currentCam->Position = currentCam->Position + forward * (speedPerFrame * dt);
-    }
-    if (IsKeyDown(ScanCode::S))
-    {
-        currentCam->Position = currentCam->Position - forward * (speedPerFrame * dt);
-    }
-    if (IsKeyDown(ScanCode::D))
-    {
-        currentCam->Position = currentCam->Position + right * (speedPerFrame * dt);
-    }
-    if (IsKeyDown(ScanCode::A))
-    {
-        currentCam->Position = currentCam->Position - right * (speedPerFrame * dt);
-    }
-    if (IsKeyDown(ScanCode::Space))
-    {
-        currentCam->Position = currentCam->Position + defaultUp * (speedPerFrame * dt);
-    }
-    if (IsKeyDown(ScanCode::LeftControl))
-    {
-        currentCam->Position = currentCam->Position - defaultUp * (speedPerFrame * dt);
-    }
-
-    currentCam->Target = currentCam->Position + forward;
-    currentCam->Up     = defaultUp;
-}
-
-#if JULIET_DEBUG
-void RenderImGuiDebugController(float dt)
-{
-    Camera* currentCam = GetCurrentCamera();
-
-    ImGui::Text("Delta time: %f", dt);
-
-    ImGui::Text("Camera:");
-    ImGui::Indent();
-    ImGui::BulletText("Index: %zu", (size_t)currentCam->Index);
-    ImGui::BulletText("Position: (%.3f, %.3f, %.3f)", currentCam->Position.x, currentCam->Position.y,
-                      currentCam->Position.z);
-    ImGui::BulletText("Target: (%.3f, %.3f, %.3f)", currentCam->Target.x, currentCam->Target.y, currentCam->Target.z);
-    ImGui::BulletText("Up: (%.3f, %.3f, %.3f)", currentCam->Up.x, currentCam->Up.y, currentCam->Up.z);
-    ImGui::BulletText("FOV: %.3f rad", currentCam->FOV);
-    ImGui::BulletText("AspectRatio: %.3f", currentCam->AspectRatio);
-    ImGui::BulletText("NearPlane: %.3f", currentCam->NearPlane);
-    ImGui::BulletText("FarPlane: %.3f", currentCam->FarPlane);
-    ImGui::BulletText("Pitch: %.3f, Yaw: %.3f", gPitch, gYaw);
-    ImGui::BulletText("FPS Mode: %s", gIsFpsModeActive ? "Active" : "Inactive");
-    ImGui::Unindent();
-}
-#endif

Game/Controller/DebugCameraController.h

@@ -1,11 +1,13 @@
 #pragma once
 
+#include <Juliet.h>
+
 // TODO : Should support Debug/Profile/Release properly.
 // I think debug profile should have this controller but not release
-void ActivateDebugController();
+void  ActivateDebugController(void);
-void DeactivateDebugController();
+void  DeactivateDebugController(void);
-bool IsDebugControllerActive();
+bool8 IsDebugControllerActive(void);
-void UpdateDebugController(float dt);
+void  UpdateDebugController(float dt);
 
 #if JULIET_DEBUG
 void RenderImGuiDebugController(float dt);

Game/Data/World.c

@@ -0,0 +1,140 @@
+#include <Data/World.h>
+
+#include <Core/Common/CoreUtils.h>
+#include <Core/Common/serialization.h>
+#include <Core/HAL/Filesystem/Filesystem.h>
+#include <Core/HAL/IO/IOStream.h>
+#include <Core/Logging/LogManager.h>
+#include <Core/Logging/LogTypes.h>
+#include <Core/Thread/ThreadContext.h>
+#include <Entity/EntityManager.h>
+#include <Graphics/MeshRenderer.h>
+
+#ifdef JULIET_ENABLE_IMGUI
+#include <dcimgui.h>
+#endif
+
+void InitWorld(World* world, Arena* arena)
+{
+    Assert(world != NULL);
+    Assert(arena != NULL);
+    world->WorldArena = arena;
+}
+
+void ShutdownWorld(World* world)
+{
+    Assert(world != NULL);
+    world->WorldArena = NULL;
+}
+
+void AddToWorld(World* world, Entity* entity)
+{
+    (void)world;
+    (void)entity;
+}
+
+void RemoveWorldEntity(World* world, size_t index)
+{
+    (void)world;
+    (void)index;
+}
+
+void SerializeWorld(Archive* ar, World* world, String filename)
+{
+    (void)world;
+    Assert(ar != NULL);
+    Assert(IsValidString(filename));
+
+    EntityManager* entityManager = GetEntityManager();
+
+    if (ar->loading)
+    {
+        // Load
+        ByteBuffer fileBuffer = LoadFile(ar->arena, filename);
+
+        // TEST SERIALIZATION
+        ParsedArchive archive = tokenize_archive(ar->arena, fileBuffer);
+#if JULIET_DEBUG
+        audit_unconsumed_properties(&archive, ConstString("World"));
+#else
+        (void)archive;
+#endif
+    }
+    else
+    {
+        // Save
+        IOStream* stream = IOFromFile(ar->arena, filename, WrapString("wb"));
+
+        index_t beginPos = ArenaPos(ar->arena);
+
+        // Headers
+        WorldFileHeader* header = ArenaPushStruct(ar->arena, WorldFileHeader);
+        header->Magic           = kWorldMagic;
+
+        // TODO : Move to a one file per entity model
+        for (uint8 i = 0; i < ENTITY(Count); ++i)
+        {
+            typed_entity_array* type = &entityManager->by_type[i];
+            serialize_elem(ar, type->count);
+            if (type->count > 0 && type->array != NULL)
+            {
+                EntityTemplate* element    = type->array;
+                uint8*          rawElement = (uint8*)element;
+                size_t          stride     = element->base->derived_kind->size_of;
+                for (index_t idx = 0; idx < type->count; ++idx)
+                {
+                    Entity* entity = ((EntityTemplate*)(rawElement + (idx * stride)))->base;
+                    serialize_entity(ar, entity);
+                }
+            }
+        }
+
+        // Write
+        index_t    endPos      = ArenaPos(ar->arena);
+        ByteBuffer writeBuffer = { .Data = (Byte*)header, .Size = endPos - beginPos };
+
+        size_t written = IOWrite(stream, writeBuffer);
+
+        Assert(writeBuffer.Size == written);
+
+        IOClose(stream);
+    }
+}
+
+bool8 LoadWorld(World* world, String filename)
+{
+    (void)world;
+    Assert(IsValidString(filename));
+    return true;
+}
+
+#ifdef JULIET_EDITOR
+void RenderWorldEditorUI(World* world)
+{
+    Assert(world != NULL);
+
+    if (ImGui_Begin("World Editor", NULL, ImGuiWindowFlags_None))
+    {
+        TempArena   temp               = scratch_begin(NULL, 0);
+        static char worldFilePath[256] = "/world.bin";
+        ImGui_InputText("World File", worldFilePath, sizeof(worldFilePath));
+
+        Path path = GetAssetPath(temp.Arena, AssetType_JAsset, WrapString(worldFilePath));
+
+        if (ImGui_Button("Save World"))
+        {
+            Archive data = { .arena = temp.Arena, .loading = false };
+            SerializeWorld(&data, world, path.FullPath);
+        }
+        ImGui_SameLine(0.0f, -1.0f);
+        if (ImGui_Button("Load World"))
+        {
+            Archive data = { .arena = temp.Arena, .loading = true };
+            SerializeWorld(&data, world, path.FullPath);
+        }
+
+        scratch_end(temp);
+    }
+    ImGui_End();
+}
+#endif

Game/Data/World.cpp

@@ -1,322 +0,0 @@
-#include <Data/World.h>
-
-#include <Core/Common/CoreUtils.h>
-#include <Core/Common/serialization.h>
-#include <Core/HAL/Filesystem/Filesystem.h>
-#include <Core/HAL/IO/IOStream.h>
-#include <Core/Logging/LogManager.h>
-#include <Core/Logging/LogTypes.h>
-#include <Core/Thread/ThreadContext.h>
-#include <Entity/EntityManager.h>
-#include <Graphics/MeshRenderer.h>
-
-#ifdef JULIET_ENABLE_IMGUI
-#include <imgui.h>
-#endif
-
-void InitWorld(NonNullPtr<World> world, NonNullPtr<Arena> arena)
-{
-    world->WorldArena = arena.Get();
-}
-
-void ShutdownWorld(NonNullPtr<World> world)
-{
-    world->WorldArena = nullptr;
-}
-
-void AddToWorld(NonNullPtr<World> /*world*/, NonNullPtr<Entity> /*entity*/)
-{
-    // RegisterEntity(*world->EntityManager, entity.Get());
-}
-
-void RemoveWorldEntity(World& /*world*/, size_t /*index*/) {}
-
-void Serialize(Archive& ar, World& /*world*/, String filename)
-{
-    Assert(IsValid(filename));
-
-    auto& entityManager = GetEntityManager();
-
-    if (ar.loading)
-    {
-        // Load
-        ByteBuffer fileBuffer = LoadFile(ar.arena, filename);
-
-        // TEST SERIALIZATION
-        ParsedArchive archive = tokenize_archive(ar.arena, fileBuffer);
-        // ArchivePropertyNode* property = find_property(&archive, "Position"_crc32);
-        audit_unconsumed_properties(&archive, ConstString("World"));
-
-        // if (fileBuffer.Size >= sizeof(WorldFileHeader))
-        // {
-        //     ar.base_ptr = fileBuffer.Data;
-        //
-        //     WorldFileHeader header;
-        //     serialize_elem(ar, header);
-        //     Assert(header.Magic == kWorldMagic);
-        //
-        //     for (typed_entity_array& type : entityManager.by_type)
-        //     {
-        //         serialize_elem(ar, type.count);
-        //
-        //         if (type.count > 0)
-        //         {
-        //
-        //             // Unserialize the base entity to get informations
-        //             Entity entity;
-        //             // serialize(ar, &entity);
-        //         }
-        //     }
-        // }
-    }
-    else
-    {
-        // Save
-        IOStream* stream = IOFromFile(ar.arena, filename, WrapString("wb"));
-
-        index_t beginPos = ArenaPos(ar.arena);
-
-        // Headers
-        auto* header  = ArenaPushStruct<WorldFileHeader>(ar.arena);
-        header->Magic = kWorldMagic;
-
-        ar.base_ptr = header;
-
-        // TODO : Move to a one file per entity model
-        for (typed_entity_array& type : entityManager.by_type)
-        {
-            serialize_elem(ar, type.count);
-            auto*  element    = type.array;
-            uint8* rawElement = reinterpret_cast<uint8*>(element);
-            size_t stride     = element->base->derived_kind->size_of;
-            for (index_t idx = 0; idx < type.count; ++idx)
-            {
-                // Todo : utils
-                // Get base entity from type
-                Entity* entity = reinterpret_cast<EntityTemplate*>(rawElement + (idx * stride))->base;
-                serialize(ar, entity);
-            }
-        }
-
-        // Write
-        index_t    endPos      = ArenaPos(ar.arena);
-        ByteBuffer writeBuffer = { .Data = reinterpret_cast<Byte*>(header), .Size = endPos - beginPos };
-
-        size_t written = IOWrite(stream, writeBuffer);
-
-        Assert(writeBuffer.Size == written);
-
-        IOClose(stream);
-    }
-
-    //
-    // uint32 entityCount = static_cast<uint32>(world.Entities.Size());
-    // size_t totalBytes  = sizeof(WorldFileHeader) + static_cast<size_t>(entityCount) * sizeof(WorldEntityDiskRecord);
-    //
-    // ArenaParams tempParams = { .ReserveSize = Megabytes(1), .Name = "WorldSaveArena" };
-    // Arena*      tempArena  = ArenaAllocate(tempParams);
-    // if (!tempArena)
-    // {
-    //     LogError(LogCategory::Game, "SaveWorld: Failed to allocate memory for saving world.");
-    //     return false;
-    // }
-    //
-    // auto deferRelease = Defer([&]() { ArenaRelease(tempArena); });
-    //
-    // uint8* bufferData = ArenaPushArray<uint8, false>(tempArena, totalBytes);
-    // if (!bufferData)
-    // {
-    //     LogError(LogCategory::Game, "SaveWorld: Failed to allocate buffer in arena.");
-    //     return false;
-    // }
-    //
-    // auto* header        = reinterpret_cast<WorldFileHeader*>(bufferData);
-    // header->Magic       = kWorldMagic;
-    // header->Version     = kWorldVersion;
-    // header->EntityCount = entityCount;
-    // header->Reserved    = 0;
-    //
-    // auto* records = reinterpret_cast<WorldEntityDiskRecord*>(bufferData + sizeof(WorldFileHeader));
-    // for (size_t i = 0; i < entityCount; ++i)
-    // {
-    //     const Entity& ent = world.Entities[i];
-    //     records[i].X      = ent.X;
-    //     records[i].Y      = ent.Y;
-    //     records[i].Z      = ent.Z;
-    // }
-    //
-    // IOStream* stream = IOFromFile(tempArena, filename, WrapString("wb"));
-    // if (!stream)
-    // {
-    //     LogError(LogCategory::Game, "SaveWorld: Failed to open file for writing: %s", CStr(filename));
-    //     return false;
-    // }
-    //
-    // ByteBuffer writeBuffer = { .Data = reinterpret_cast<Byte*>(bufferData), .Size = totalBytes };
-    //
-    // size_t written = IOWrite(stream, writeBuffer);
-    // IOClose(stream);
-    //
-    // if (written != totalBytes)
-    // {
-    //     LogError(LogCategory::Game, "SaveWorld: Failed to write complete world data to %s (wrote %zu / %zu bytes)",
-    //              CStr(filename), written, totalBytes);
-    //     return false;
-    // }
-    //
-    // LogMessage(LogCategory::Game, "World successfully saved to %s (%u entities)", CStr(filename), entityCount);
-    // return true;
-}
-
-[[nodiscard]] bool LoadWorld(World& /*world*/, String filename)
-{
-    Assert(IsValid(filename));
-    // Assert(world.WorldArena != nullptr);
-    //
-    // TempArena loadArena = scratch_begin(nullptr, 0);
-    //
-    // ByteBuffer fileBuffer = LoadFile(loadArena.Arena, filename);
-    // if (fileBuffer.Data && fileBuffer.Size < sizeof(WorldFileHeader))
-    // {
-    //     const WorldFileHeader* header          = reinterpret_cast<const WorldFileHeader*>(fileBuffer.Data);
-    //     const bool             invalidMagicNum = header->Magic != kWorldMagic;
-    //     const bool             invalidVersion  = header->Version != kWorldVersion;
-    //     if (invalidMagicNum)
-    //     {
-    //         LogError(LogCategory::Game, "LoadWorld: Invalid magic in world file: %s (expected 0x%08X, got 0x%08X)",
-    //                  CStr(filename), kWorldMagic, header->Magic);
-    //     }
-    //
-    //     if (invalidVersion)
-    //     {
-    //         LogError(LogCategory::Game, "LoadWorld: Unsupported world file version: %u in %s", header->Version, CStr(filename));
-    //     }
-    //
-    //     size_t expectedSize = sizeof(WorldFileHeader) + static_cast<size_t>(header->EntityCount) * sizeof(WorldEntityDiskRecord);
-    //     const bool invalidSize = fileBuffer.Size < expectedSize;
-    //     if (invalidSize)
-    //     {
-    //         LogError(LogCategory::Game, "LoadWorld: Corrupted file %s: size %zu < expected %zu for %u entities",
-    //                  CStr(filename), fileBuffer.Size, expectedSize, header->EntityCount);
-    //     }
-    //
-    //     if (!invalidMagicNum && !invalidVersion && !invalidSize)
-    //     {
-    //
-    //         // world.Entities.Clear();
-    //         //
-    //         // const auto* records = reinterpret_cast<const WorldEntityDiskRecord*>(
-    //         //     reinterpret_cast<const uint8*>(fileBuffer.Data) + sizeof(WorldFileHeader));
-    //         //
-    //         // for (uint32 i = 0; i < header->EntityCount; ++i)
-    //         // {
-    //         //     Entity ent;
-    //         //     (void)AddWorldEntity(world, records[i].X, records[i].Y, records[i].Z);
-    //         // }
-    //
-    //         LogMessage(LogCategory::Game, "World successfully loaded from %s (%u entities)", CStr(filename), header->EntityCount);
-    //     }
-    // }
-    // else
-    // {
-    //     LogError(LogCategory::Game, "LoadWorld: Failed to read world file or file is too small: %s", CStr(filename));
-    // }
-    //
-    // scratch_end(loadArena);
-
-    return true;
-}
-
-#ifdef JULIET_EDITOR
-void RenderWorldEditorUI(World& world)
-{
-    if (ImGui::Begin("World Editor"))
-    {
-        TempArena   temp               = scratch_begin(nullptr, 0);
-        static char worldFilePath[256] = "/world.bin";
-        ImGui::InputText("World File", worldFilePath, sizeof(worldFilePath));
-
-        Path path = GetAssetPath(temp.Arena, AssetType::JAsset, ConstString(worldFilePath));
-
-        if (ImGui::Button("Save World"))
-        {
-            Archive data = { .arena = temp.Arena, .loading = false };
-            Serialize(data, world, path.FullPath);
-        }
-        ImGui::SameLine();
-        if (ImGui::Button("Load World"))
-        {
-            Archive data{ .arena = temp.Arena, .loading = true };
-            Serialize(data, world, path.FullPath);
-        }
-
-        scratch_end(temp);
-
-        //     ImGui::SameLine();
-        //     if (ImGui::Button("Clear All"))
-        //     {
-        //         ClearWorld(world);
-        //     }
-        //
-        //     ImGui::Separator();
-        //
-        //     if (ImGui::Button("Add Entity"))
-        //     {
-        //         (void)AddWorldEntity(world, 0.0f, 0.0f, 0.0f);
-        //     }
-        //
-        //     ImGui::Text("Entity Count: %zu", world.Entities.Size());
-        //     ImGui::Separator();
-        //
-        //     static int selectedEntity = -1;
-        //     if (selectedEntity >= static_cast<int>(world.Entities.Size()))
-        //     {
-        //         selectedEntity = -1;
-        //     }
-        //
-        //     ImGui::BeginChild("EntityList", ImVec2(180, 200), true);
-        //     for (size_t i = 0; i < world.Entities.Size(); ++i)
-        //     {
-        //         char label[64];
-        //         snprintf(label, sizeof(label), "Entity #%zu (ID: %llu)", i, world.Entities[i].ID);
-        //         if (ImGui::Selectable(label, selectedEntity == static_cast<int>(i)))
-        //         {
-        //             selectedEntity = static_cast<int>(i);
-        //         }
-        //     }
-        //     ImGui::EndChild();
-        //
-        //     ImGui::SameLine();
-        //
-        //     ImGui::BeginChild("EntityInspector", ImVec2(0, 200), true);
-        //     if (selectedEntity >= 0 && selectedEntity < static_cast<int>(world.Entities.Size()))
-        //     {
-        //         Entity& ent = world.Entities[static_cast<size_t>(selectedEntity)];
-        //         ImGui::Text("Selected: Entity #%d", selectedEntity);
-        //         ImGui::Text("ID: %llu", ent.ID);
-        //
-        //         float pos[3] = { ent.X, ent.Y, ent.Z };
-        //         if (ImGui::DragFloat3("Position", pos, 0.1f))
-        //         {
-        //             ent.X = pos[0];
-        //             ent.Y = pos[1];
-        //             ent.Z = pos[2];
-        //             UpdateWorld(world);
-        //         }
-        //
-        //         if (ImGui::Button("Delete Entity"))
-        //         {
-        //             RemoveWorldEntity(world, static_cast<size_t>(selectedEntity));
-        //             selectedEntity = -1;
-        //             UpdateWorld(world);
-        //         }
-        //     }
-        //     else
-        //     {
-        //         ImGui::Text("Select an entity to edit its properties.");
-        //     }
-        //     ImGui::EndChild();
-    }
-    ImGui::End();
-}
-#endif

Game/Data/World.h

@@ -1,38 +1,39 @@
 #pragma once
 
-#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/String.h>
 #include <Core/Container/Vector.h>
 #include <Core/Memory/MemoryArena.h>
 #include <Entity/Entity.h>
 
-struct Archive;
+typedef struct Archive       Archive;
-struct EntityManager;
+typedef struct EntityManager EntityManager;
 
 #pragma pack(push, 1)
+typedef struct WorldFileHeader WorldFileHeader;
 struct WorldFileHeader
 {
-    uint32 Magic = 0x444C574A; // 'JWLD' in little-endian
+    uint32 Magic; // 0x444C574A ('JWLD' in little-endian)
 };
 #pragma pack(pop)
 
-constexpr uint32 kWorldMagic   = 0x444C574A; // 'JWLD'
+#define kWorldMagic   ((uint32)0x444C574A) // 'JWLD'
-constexpr uint32 kWorldVersion = 1;
+#define kWorldVersion ((uint32)1)
 
+typedef struct World World;
 struct World
 {
-    Arena*         WorldArena    = nullptr;
+    Arena*         WorldArena;
-    EntityManager* EntityManager = nullptr;
+    EntityManager* EntityManager;
 };
 
-void InitWorld(NonNullPtr<World> world, NonNullPtr<Arena> arena);
+void InitWorld(World* world, Arena* arena);
-void ShutdownWorld(NonNullPtr<World> world);
+void ShutdownWorld(World* world);
 
-void AddToWorld(NonNullPtr<World> world, NonNullPtr<Entity> entity);
+void AddToWorld(World* world, Entity* entity);
-void RemoveWorldEntity(World& world, size_t index);
+void RemoveWorldEntity(World* world, size_t index);
 
-void Serialize(Archive& data, World& world, String filename);
+void SerializeWorld(Archive* data, World* world, String filename);
 
 #if JULIET_EDITOR
-void RenderWorldEditorUI(World& world);
+void RenderWorldEditorUI(World* world);
 #endif

Game/Debug/DebugTopBar.c

@@ -0,0 +1,63 @@
+#include <Debug/DebugTopBar.h>
+
+#if JULIET_DEBUG
+#include <game.h>
+#include <dcimgui.h>
+#include <stdio.h>
+
+internal String GetGameModeName(GameMode gameMode)
+{
+    String result = WrapString("Unknown ERROR");
+    if (gameMode == GameMode_Editor)
+    {
+        result = WrapString("Editor");
+    }
+    else if (gameMode == GameMode_Play)
+    {
+        result = WrapString("Play");
+    }
+    else if (gameMode == GameMode_Debug)
+    {
+        result = WrapString("Debug");
+    }
+    return result;
+}
+
+void DrawTopBar(void)
+{
+    GameState* gameState = GetGameState();
+
+    ImVec2_c viewportPos  = ImGui_GetMainViewportPos();
+    ImVec2_c viewportSize = ImGui_GetMainViewportSize();
+    ImGui_SetNextWindowPos(viewportPos);
+    ImVec2_c barSize = { viewportSize.x, 10.0f };
+    ImGui_SetNextWindowSize(barSize);
+
+    ImGuiWindowFlags_c flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
+                               ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing |
+                               ImGuiWindowFlags_NoNav;
+
+    ImVec4_c bgCol   = { 0.0f, 0.0f, 0.0f, 0.6f };
+    ImVec2_c padding = { 10.0f, 5.0f };
+    ImGui_PushStyleColor(ImGuiCol_WindowBg, bgCol);
+    ImGui_PushStyleVarVec2(ImGuiStyleVar_WindowPadding, padding);
+
+    if (ImGui_Begin("TopBarOverlay", NULL, flags))
+    {
+        ImGui_Text("Game Mode: %s", CStr(GetGameModeName(gameState->Mode)));
+
+        float framerate = ImGuiIO_GetFramerate();
+        char  fps_text[32];
+        snprintf(fps_text, sizeof(fps_text), "FPS: %.1f (%.2f ms)", (double)framerate, (double)(1000.0f / framerate));
+        float text_width = ImGui_CalcTextSize(fps_text, NULL).x;
+        ImGui_SameLine(viewportSize.x - text_width - 15.0f, -1.0f); // 15px right padding
+        // Render FPS text
+        ImGui_Text("%s", fps_text);
+    }
+    ImGui_End();
+
+    ImGui_PopStyleVar(1);
+    ImGui_PopStyleColor(1);
+}
+#endif
+

Game/Debug/DebugTopBar.cpp

@@ -1,49 +0,0 @@
-#include <Debug/DebugTopBar.h>
-
-#include <game.h>
-#include <imgui.h>
-
-namespace
-{
-    String GetGameModeName(GameMode gameMode)
-    {
-        switch (gameMode)
-        {
-        case GameMode::Editor: return WrapString("Editor");
-        case GameMode::Play: return WrapString("Play");
-        case GameMode::Debug: return WrapString("Debug");
-        default: return WrapString("Unknown ERROR");
-        }
-    }
-} // namespace
-
-void DrawTopBar()
-{
-    auto* gameState = GetGameState();
-
-    ImGuiViewport* viewport = ImGui::GetMainViewport();
-    ImGui::SetNextWindowPos(viewport->Pos);
-    ImGui::SetNextWindowSize(ImVec2(viewport->Size.x, 10.0f));
-
-    ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings |
-                             ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav;
-
-    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.0f, 0.0f, 0.0f, 0.6f));
-    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(10.0f, 5.0f));
-
-    if (ImGui::Begin("TopBarOverlay", nullptr, flags))
-    {
-        ImGui::Text("Game Mode: %s", CStr(GetGameModeName(gameState->Mode)));
-
-        char fps_text[32];
-        snprintf(fps_text, sizeof(fps_text), "FPS: %.1f (%.2f ms)", ImGui::GetIO().Framerate, 1000.0f / ImGui::GetIO().Framerate);
-        float text_width = ImGui::CalcTextSize(fps_text).x;
-        ImGui::SameLine(viewport->Size.x - text_width - 15.0f); // 15px right padding
-        // Render FPS text
-        ImGui::Text("%s", fps_text);
-    }
-    ImGui::End();
-
-    ImGui::PopStyleVar();
-    ImGui::PopStyleColor();
-}

Game/Debug/DebugTopBar.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <Juliet.h>
+
 #if JULIET_DEBUG
-void DrawTopBar();
+void DrawTopBar(void);
 #endif

Game/Entity/Entity.c

@@ -0,0 +1,115 @@
+#include <Entity/Entity.h>
+
+#include <Core/Common/serialization.h>
+#include <Core/Memory/Utils.h>
+#include <stdlib.h>
+
+void serialize_entity(Archive* ar, Entity* entity)
+{
+    Assert(ar != NULL);
+    Assert(entity != NULL);
+
+    // Entity fields
+    serialize_class(ar, ClassKind(Entity), entity);
+
+    // Derived fields
+    if (entity->derived_kind != NULL && entity->derived != NULL)
+    {
+        serialize_class(ar, entity->derived_kind, entity->derived);
+    }
+}
+
+internal void init_Entity(void* payload)
+{
+    Assert(payload != NULL);
+    Entity* entity = (Entity*)payload;
+    MemZeroStruct(entity);
+}
+
+internal void serialize_Entity(Archive* ar, uint16 version, void* payload)
+{
+    (void)version;
+    Assert(ar != NULL);
+    Assert(payload != NULL);
+    Entity* entity = (Entity*)payload;
+    SERIALIZE_U64(ar, id, &entity->ID);
+    SERIALIZE_VEC4(ar, position, &entity->position);
+}
+
+DEFINE_CLASS_VERSIONED(Entity, 1, NULL)
+
+String format_entity_id(Arena* arena, EntityID entity_id)
+{
+    Assert(arena != NULL);
+
+    // Format:
+    // U = UserID
+    // LC = Local Entity Counter
+    // UU_LCLCLCLCLCLCLC
+    uint8  user_id = get_user_id(entity_id);
+    uint64 counter = get_local_counter(entity_id);
+
+    const size_t kBufferSize = 18;
+    char*        buffer      = ArenaPushArray(arena, char, kBufferSize);
+    Assert(buffer != NULL);
+
+    juliet_snprintf(buffer, kBufferSize, "%02X_%014llX", (unsigned int)user_id, (unsigned long long)counter);
+    String result = { .Str = buffer, .Size = kBufferSize - 1 };
+    return result;
+}
+
+bool8 parse_entity_id(String str, EntityID* out_id)
+{
+    Assert(out_id != NULL);
+
+    bool8 result = false;
+    *out_id      = kInvalid_entity_id;
+
+    if (!(str.Size != 17 || str.Str == NULL || str.Str[2] != '_'))
+    {
+        char  user_hex[3] = { str.Str[0], str.Str[1], '\0' };
+        char* end         = user_hex;
+        uint8 user_id     = (uint8)strtoul(user_hex, &end, 16);
+        if (end != user_hex && user_id != kInvalid_user_id)
+        {
+            char*  counter_hex = str.Str + 3;
+            end                = counter_hex;
+            uint64 counter     = strtoull(counter_hex, &end, 16);
+            if (end != counter_hex && counter < kEntityID_user_id_mask)
+            {
+                *out_id = make_entity_id(user_id, counter);
+                result  = true;
+            }
+        }
+    }
+    return result;
+}
+
+const Class* resolve_entity_class(uint8 kind, uint32 crc)
+{
+    Assert(kind <= ENTITY(Count));
+
+    const Class* class_ptr = kEntity_type_class_ptr[kind];
+    Assert(class_ptr != NULL);
+    Assert(class_get_crc(class_ptr) == crc);
+
+    return class_ptr;
+}
+
+const Class* find_class_by_name(String name)
+{
+    Assert(IsValidString(name));
+
+    const Class* result   = NULL;
+    const uint32 name_crc = crc32_bytes(name.Str, name.Size);
+    for (uint8 kind = 0; kind < ENTITY(Count); ++kind)
+    {
+        const Class* class_ptr = resolve_entity_class(kind, name_crc);
+        if (class_ptr != NULL)
+        {
+            result = class_ptr;
+            break;
+        }
+    }
+    return result;
+}

Game/Entity/Entity.cpp

@@ -1,92 +0,0 @@
-#include <Entity/Entity.h>
-
-#include <Core/Common/serialization.h>
-
-void serialize(Archive& ar, NonNullPtr<Entity> entity)
-{
-    // Entity fields
-    serialize(ar, Entity::kind, entity.Get());
-
-    // Derived fields
-    if (entity->derived_kind != nullptr && entity->derived != nullptr)
-    {
-        serialize(ar, entity->derived_kind, entity->derived);
-    }
-}
-
-DEFINE_CLASS_VERSIONED(Entity, 1, nullptr)
-internal void serialize(Archive& ar, uint16 /*version*/, Entity& entity)
-{
-    SERIALIZE(ar, id, entity.ID);
-    SERIALIZE(ar, position, entity.position);
-}
-
-String format_entity_id(NonNullPtr<Arena> arena, EntityID entity_id)
-{
-    // Format:
-    // U = UserID
-    // LC = Local Entity Counter
-    // UU_LCLCLCLCLCLCLC
-    uint8  user_id = get_user_id(entity_id);
-    uint64 counter = get_local_counter(entity_id);
-
-    constexpr size_t kBufferSize = 18;
-    char*            buffer      = ArenaPushArray<char>(arena, kBufferSize);
-    Assert(buffer);
-
-    juliet_snprintf(buffer, kBufferSize, "%02X_%014llX", (unsigned int)user_id, counter);
-    return { buffer, kBufferSize - 1 };
-}
-
-bool parse_entity_id(String str, EntityID& out_id)
-{
-    bool result = false;
-    out_id      = kInvalid_entity_id;
-
-    if (!(str.Size != 17 || str.Str == nullptr || str.Str[2] != '_'))
-    {
-        char  user_hex[3]{ str.Str[0], str.Str[1], '\0' };
-        char* end     = user_hex;
-        uint8 user_id = strtoul(user_hex, &end, 16);
-        if (end != user_hex && user_id != kInvalid_user_id)
-        {
-            char* counter_hex = str.Str + 3;
-            end               = counter_hex;
-            uint64 counter    = strtoull(counter_hex, &end, 16);
-            if (end != counter_hex && counter < kEntityID_user_id_mask)
-            {
-                out_id = make_entity_id(user_id, counter);
-                result = true;
-            }
-        }
-    }
-    return result;
-}
-
-const Class* resolve_entity_class(uint8 kind, uint32 crc)
-{
-    Assert(kind <= ENTITY(Count));
-
-    NonNullPtr<const Class> class_ptr = kEntity_type_class_ptr[kind];
-    Assert(class_ptr->CRC == crc);
-
-    return class_ptr.Get();
-}
-
-const Class* find_class_by_name(String name)
-{
-    Assert(IsValid(name));
-
-    const Class* result   = nullptr;
-    const uint32 name_crc = crc32(name.Str, name.Size);
-    for (uint8 kind = 0; kind < ENTITY(Count); ++kind)
-    {
-        const Class* class_ptr = resolve_entity_class(kind, name_crc);
-        if (class_ptr != nullptr)
-        {
-            result = class_ptr;
-            break;
-        }
-    }
-    return result;
-}

Game/Entity/Entity.h

@@ -6,98 +6,95 @@
 #include <Entity/entity_common.h>
 #include <Entity/EntityManager.h>
 
-struct Entity final
+typedef struct Entity Entity;
+struct Entity
 {
-    DECLARE_CLASS()
+    EntityID     ID;
-
+    const Class* derived_kind;
-    EntityID     ID           = 0;
+    DerivedType  derived;
-    const Class* derived_kind = nullptr;
+    Vector4      position;
-    DerivedType  derived      = nullptr;
+    bool8        is_dirty;
-    Vector4      position     = {};
-    bool         is_dirty     = false;
 };
+DECLARE_CLASS(Entity)
 
-// Can reinterpret cast to this to have the offset of Base and Kind for any entity
+// Can cast to this to have the offset of base for any entity
+typedef struct EntityTemplate EntityTemplate;
 struct EntityTemplate
 {
-    DECLARE_ENTITY();
+    DECLARE_ENTITY()
 };
 
-//
+static inline EntityID make_entity_id(uint8 user_id, uint64 local_counter)
-template <typename EntityType>
-concept EntityConcept = requires(EntityType entity) {
-    { EntityType::kind } -> std::convertible_to<const Class*>;
-    requires std::same_as<decltype(entity.base), Entity*>;
-};
-
-inline constexpr EntityID make_entity_id(uint8 user_id, uint64 local_counter)
 {
     Assert(user_id != kInvalid_user_id);
     Assert((local_counter & kEntityID_user_id_mask) == kInvalid_entity_id);
 
-    EntityID result = kInvalid_user_id;
+    EntityID result = ((EntityID)user_id << kEntityID_user_id_shift) | (local_counter & kEntityID_user_id_mask);
-    result          = ((EntityID)user_id << kEntityID_user_id_shift) | (local_counter & kEntityID_user_id_mask);
     return result;
 }
 
-inline constexpr uint8 get_user_id(EntityID entity_id)
+static inline uint8 get_user_id(EntityID entity_id)
 {
-    return (((uint8)entity_id & kEntityID_user_id_mask) << kEntityID_user_id_shift);
+    return (uint8)((entity_id & kEntityID_user_id_mask) >> kEntityID_user_id_shift);
 }
 
-inline constexpr uint64 get_local_counter(EntityID entity_id)
+static inline uint64 get_local_counter(EntityID entity_id)
 {
-    return (uint64)entity_id & kEntityID_user_id_mask;
+    return (uint64)entity_id & ~kEntityID_user_id_mask;
 }
 
-inline constexpr bool is_entity_id_valid(EntityID entity_id)
+static inline bool8 is_entity_id_valid(EntityID entity_id)
 {
-    bool result = entity_id != kInvalid_entity_id;
+    bool8 result = (entity_id != kInvalid_entity_id);
     return result;
 }
 
-template <typename EntityType>
+static inline bool8 IsEntityA(const Entity* entity, const Class* kind)
-    requires EntityConcept<EntityType>
-[[nodiscard]] bool IsA(const Entity* entity)
 {
-    Assert(entity != nullptr);
+    Assert(entity != NULL);
-    return entity->derived_kind == EntityType::kind;
+    return entity->derived_kind == kind;
 }
 
-template <typename EntityType>
+#define IsEntityOfType(entity_ptr, EntityType) IsEntityA((entity_ptr), ClassKind(EntityType))
-    requires EntityConcept<EntityType>
-[[nodiscard]] EntityType* MakeEntity(EntityManager& manager, float x, float y, float z)
-{
-    Entity* base_ptr = allocate_entity(manager, EntityType::kind);
-    Assert(base_ptr);
 
-    base_ptr->ID = EntityManager::ID++;
+static inline void* make_entity_by_class(EntityManager* manager, const Class* kind, float x, float y, float z)
+{
+    Assert(manager != NULL);
+    Assert(kind != NULL);
+
+    Entity* base_ptr = allocate_entity(manager, kind);
+    Assert(base_ptr != NULL);
+
+    base_ptr->ID = g_entity_manager_id++;
 
     base_ptr->position.x = x;
     base_ptr->position.y = y;
     base_ptr->position.z = z;
     base_ptr->position.w = 1.0f;
 
-    return (EntityType*)base_ptr->derived;
+    return base_ptr->derived;
 }
 
-template <typename EntityType>
+#define MakeEntity(EntityType, manager_ptr, x, y, z) \
-    requires EntityConcept<EntityType>
+    ((EntityType*)make_entity_by_class((manager_ptr), ClassKind(EntityType), (x), (y), (z)))
-[[nodiscard]] EntityType* DownCast(Entity* entity)
+
+static inline void* down_cast_entity(Entity* entity, const Class* kind)
 {
-    Assert(entity != nullptr);
+    Assert(entity != NULL);
-    Assert(IsA<EntityType>(entity));
+    Assert(IsEntityA(entity, kind));
-    return static_cast<EntityType*>(entity->derived);
+    return entity->derived;
 }
 
-void serialize(Archive& ar, NonNullPtr<Entity> entity);
+#define DownCastEntity(EntityType, entity_ptr) ((EntityType*)down_cast_entity((entity_ptr), ClassKind(EntityType)))
 
-JULIET_API uint8 get_local_user_id();
+void serialize_entity(Archive* ar, Entity* entity);
 
-JULIET_API String format_entity_id(NonNullPtr<Arena> arena, EntityID id);
+JULIET_API uint8 get_local_user_id(void);
 
-JULIET_API bool parse_entity_id(String str, EntityID& outId);
+JULIET_API String format_entity_id(Arena* arena, EntityID id);
 
-[[nodiscard]] const Class* find_class_by_name(String name);
+JULIET_API bool8 parse_entity_id(String str, EntityID* outId);
 
-[[nodiscard]] const Class* resolve_entity_class(uint8 kind, uint32 crc);
+const Class* find_class_by_name(String name);
+
+const Class* resolve_entity_class(uint8 kind, uint32 crc);

Game/Entity/EntityManager.c

@@ -0,0 +1,190 @@
+#include <Entity/EntityManager.h>
+
+#include <Core/Common/serialization.h>
+#include <Core/Memory/Utils.h>
+#include <Data/World.h>
+#include <Engine/user.h>
+#include <Entity/Entity.h>
+#include <Entity/entity_types.h>
+#include <game.h>
+#include <Graphics/MeshRenderer.h>
+
+EntityID g_entity_manager_id = 0;
+
+void InitEntityManager(World* world)
+{
+    Assert(world != NULL);
+
+    EntityManager* newManager   = ArenaPushStruct(world->WorldArena, EntityManager);
+    newManager->next_local_counter = 1ULL;
+    world->EntityManager        = newManager;
+
+    VectorArenaCreate(&newManager->Entities, Entity, world->WorldArena, 100000 JULIET_DEBUG_PARAM("Entities"));
+
+    ArenaParams by_type_params = { .ReserveSize = Kilobytes(1),
+                                   .CommitSize  = Kilobytes(1),
+                                   .Name        = "" JULIET_DEBUG_ONLY(, .DoNotReserveMore = true) };
+    for (uint8 i = 0; i < ENTITY(Count); ++i)
+    {
+        by_type_params.Name          = kEntity_type_names[i];
+        newManager->by_type[i].arena = ArenaAllocate(by_type_params);
+        newManager->by_type[i].array = NULL;
+        newManager->by_type[i].count = 0;
+    }
+}
+
+void ShutdownEntityManager(void)
+{
+    EntityManager* manager = GetEntityManager();
+    for (uint8 i = 0; i < ENTITY(Count); ++i)
+    {
+        ArenaRelease(manager->by_type[i].arena);
+    }
+
+    vector_arena_destroy(&manager->Entities);
+}
+
+EntityManager* GetEntityManager(void)
+{
+    EntityManager* entityManager = GetGameState()->World->EntityManager;
+    Assert(entityManager != NULL);
+    return entityManager;
+}
+
+EntityID generate_next_entity_id(EntityManager* manager)
+{
+    Assert(manager != NULL);
+
+    UserID user = get_local_user_id();
+    Assert(user != kInvalid_user_id);
+    Assert(manager->next_local_counter != kEntityID_user_id_mask);
+
+    EntityID new_id = make_entity_id(user, manager->next_local_counter);
+    manager->next_local_counter += 1ULL;
+    return new_id;
+}
+
+EntityTemplate* RegisterEntity(EntityManager* manager, Entity* base, DerivedType entity)
+{
+    Assert(manager != NULL);
+    Assert(base != NULL);
+
+    base->ID      = g_entity_manager_id++;
+    base->derived = entity;
+
+    VectorArenaPushPtr(Entity, &manager->Entities, base);
+
+    EntityTemplate* ptr = (EntityTemplate*)ArenaPushSize(
+        manager->by_type[base->derived_kind->kind].arena, base->derived_kind->size_of, base->derived_kind->alignment,
+        false JULIET_DEBUG_PARAM(kEntity_type_names[base->derived_kind->kind]));
+    MemCopy(ptr, entity, base->derived_kind->size_of);
+    manager->by_type[base->derived_kind->kind].count += 1;
+
+    ptr->base = VectorArenaBack(Entity, &manager->Entities);
+
+    if (manager->by_type[base->derived_kind->kind].array == NULL)
+    {
+        manager->by_type[base->derived_kind->kind].array = ptr;
+    }
+
+    return ptr;
+}
+
+Entity* allocate_entity(EntityManager* manager, const Class* derived_type_class)
+{
+    Assert(manager != NULL);
+    Assert(derived_type_class != NULL);
+    Assert(derived_type_class->kind < ENTITY(Count));
+    Assert(derived_type_class->size_of >= sizeof(EntityTemplate));
+    Assert(derived_type_class->alignment > 0);
+    Assert(derived_type_class->initialize_fct != NULL);
+
+    Entity base_template       = { 0 };
+    base_template.derived_kind = derived_type_class;
+    base_template.is_dirty     = true;
+
+    VectorArenaPushPtr(Entity, &manager->Entities, &base_template);
+    Entity* base_ptr = VectorArenaBack(Entity, &manager->Entities);
+    Assert(base_ptr != NULL);
+
+    typed_entity_array* typed_array = &manager->by_type[derived_type_class->kind];
+    Assert(typed_array->arena != NULL);
+
+    void* derived = ArenaPushSize(typed_array->arena, derived_type_class->size_of, derived_type_class->alignment,
+                                  false JULIET_DEBUG_PARAM(kEntity_type_names[derived_type_class->kind]));
+    Assert(derived != NULL);
+    derived_type_class->initialize_fct(derived);
+
+    EntityTemplate* derived_template = (EntityTemplate*)derived;
+
+    base_ptr->derived      = derived;
+    derived_template->base = base_ptr;
+
+    if (typed_array->array == NULL)
+    {
+        typed_array->array = derived_template;
+    }
+    typed_array->count += 1;
+
+    return base_ptr;
+}
+
+void UpdateEntityManager(EntityManager* manager)
+{
+    Assert(manager != NULL);
+
+    // Todo : inert by definition dont move, but this is for test
+    typed_entity_array* by_type = &manager->by_type[ENTITY(Inert)];
+    for (index_t i = 0; i < by_type->count; ++i)
+    {
+        Inert* inert = ((Inert*)by_type->array) + i;
+        if (inert->MeshInstance != indexMax)
+        {
+            Matrix transform =
+                MatrixTranslation(inert->base->position.x, inert->base->position.y, inert->base->position.z);
+            SetMeshInstanceTransform(inert->MeshInstance, &transform);
+        }
+    }
+}
+
+Entity* deserialize_entity(Archive* ar, EntityManager* manager)
+{
+    Assert(ar != NULL);
+    Assert(manager != NULL);
+    Assert(ar->loading);
+
+    String class_name = { 0 };
+    SERIALIZE_STR(ar, Class, &class_name);
+
+    const Class* class_ptr = find_class_by_name(class_name);
+    Assert(class_ptr != NULL);
+
+    Entity* entity_base = allocate_entity(manager, class_ptr);
+    Assert(entity_base != NULL);
+
+    serialize_entity(ar, entity_base);
+
+    if (entity_base->ID >= g_entity_manager_id)
+    {
+        g_entity_manager_id = entity_base->ID + 1;
+    }
+
+    entity_base->is_dirty = false;
+
+    return entity_base;
+}
+
+void update_local_counter(EntityManager* manager, EntityID entity_id)
+{
+    Assert(manager != NULL);
+
+    uint8 user_id = get_local_user_id();
+    if (get_user_id(entity_id) == user_id)
+    {
+        uint64 counter = get_local_counter(entity_id);
+        if (counter >= manager->next_local_counter)
+        {
+            manager->next_local_counter = counter + 1ULL;
+        }
+    }
+}

Game/Entity/EntityManager.cpp

@@ -1,170 +0,0 @@
-#include <Entity/EntityManager.h>
-
-#include <Core/Common/EnumUtils.h>
-#include <Core/Common/serialization.h>
-#include <Data/World.h>
-#include <Entity/Entity.h>
-#include <Entity/entity_types.h>
-#include <game.h>
-#include <Graphics/MeshRenderer.h>
-#include "Engine/user.h"
-
-EntityID EntityManager::ID = 0;
-
-void InitEntityManager(NonNullPtr<World> world)
-{
-    EntityManager* newManager = ArenaPushStruct<EntityManager>(world->WorldArena);
-    world->EntityManager      = newManager;
-
-    newManager->Entities.Create(world->WorldArena JULIET_DEBUG_PARAM("Entities"));
-
-    ArenaParams by_type_params{ .ReserveSize = Kilobytes(1),
-                                .CommitSize  = Kilobytes(1),
-                                .Name        = "" JULIET_DEBUG_ONLY(, .CanReserveMore = false) };
-    for (uint8 i = 0; i < ENTITY(Count); ++i)
-    {
-        by_type_params.Name          = kEntity_type_names[i];
-        newManager->by_type[i].arena = ArenaAllocate(by_type_params);
-        newManager->by_type[i].array = nullptr;
-    }
-}
-
-void ShutdownEntityManager()
-{
-    auto& manager = GetEntityManager();
-    for (typed_entity_array& type : manager.by_type)
-    {
-        ArenaRelease(type.arena);
-    }
-
-    manager.Entities.Destroy();
-}
-
-EntityManager& GetEntityManager()
-{
-    NonNullPtr entityManager = GetGameState()->World->EntityManager;
-    return *entityManager;
-}
-
-EntityID generate_next_entity_id(EntityManager& manager)
-{
-    UserID user = get_local_user_id();
-    Assert(user != kInvalid_user_id);
-    Assert(manager.next_local_counter != kEntityID_user_id_mask);
-
-    EntityID new_id = make_entity_id(user, manager.next_local_counter);
-    manager.next_local_counter += 1ULL;
-    return new_id;
-}
-
-EntityTemplate* RegisterEntity(EntityManager& manager, Entity* base, DerivedType entity)
-{
-    base->ID      = EntityManager::ID++;
-    base->derived = entity;
-
-    manager.Entities.PushBack(*base);
-
-    auto* ptr = (EntityTemplate*)ArenaPushSize(manager.by_type[base->derived_kind->kind].arena,
-                                               base->derived_kind->size_of, base->derived_kind->alignment,
-                                               false JULIET_DEBUG_PARAM(kEntity_type_names[base->derived_kind->kind]));
-    MemCopy(ptr, entity, base->derived_kind->size_of);
-    manager.by_type[base->derived_kind->kind].count += 1;
-
-    ptr->base = manager.Entities.Back();
-
-    if (manager.by_type[base->derived_kind->kind].array == nullptr)
-    {
-        manager.by_type[base->derived_kind->kind].array = ptr;
-    }
-
-    return ptr;
-}
-
-Entity* allocate_entity(EntityManager& manager, NonNullPtr<const Class> derived_type_class)
-{
-    Assert(derived_type_class->kind < ENTITY(Count));
-    Assert(derived_type_class->size_of >= sizeof(EntityTemplate));
-    Assert(derived_type_class->alignment > 0);
-    Assert(derived_type_class->initialize_fct);
-
-    Entity base_template       = {};
-    base_template.derived_kind = derived_type_class;
-    base_template.is_dirty     = true;
-
-    manager.Entities.PushBack(base_template);
-    Entity* base_ptr = manager.Entities.Back();
-    Assert(base_ptr);
-
-    typed_entity_array& typed_array = manager.by_type[derived_type_class->kind];
-    Assert(typed_array.arena);
-
-    void* derived = ArenaPushSize(typed_array.arena, derived_type_class->size_of, derived_type_class->alignment,
-                                  false JULIET_DEBUG_PARAM(kEntity_type_names[derived_type_class->kind]));
-    Assert(derived);
-    derived_type_class->initialize_fct(derived);
-
-    auto* derived_template = (EntityTemplate*)derived;
-
-    base_ptr->derived      = derived;
-    derived_template->base = base_ptr;
-
-    if (typed_array.array == nullptr)
-    {
-        typed_array.array = derived_template;
-    }
-    typed_array.count += 1;
-
-    return base_ptr;
-}
-
-void UpdateEntityManager(EntityManager& manager)
-{
-    // Todo : inert by definition dont move, but this is for test
-    auto& by_type = manager.by_type[ENTITY(Inert)];
-    for (index_t i = 0; i < by_type.count; ++i)
-    {
-        Inert* inert = reinterpret_cast<Inert*>(by_type.array) + i;
-        if (inert->MeshInstance != indexMax)
-        {
-            SetMeshInstanceTransform(inert->MeshInstance,
-                                     MatrixTranslation(inert->base->position.x, inert->base->position.y,
-                                                       inert->base->position.z));
-        }
-    }
-}
-
-Entity* deserialize_entity(Archive& ar, EntityManager& manager)
-{
-    Assert(ar.loading);
-
-    String class_name;
-    SERIALIZE(ar, Class, class_name);
-
-    NonNullPtr<const Class> class_ptr = find_class_by_name(class_name);
-
-    NonNullPtr<Entity> entity_base = allocate_entity(manager, class_ptr);
-
-    serialize(ar, entity_base);
-
-    if (entity_base->ID >= EntityManager::ID)
-    {
-        EntityManager::ID = entity_base->ID + 1;
-    }
-
-    entity_base->is_dirty = false;
-
-    return entity_base;
-}
-
-void update_local_counter(EntityManager& manager, EntityID entity_id)
-{
-    uint8 user_id = get_local_user_id();
-    if (get_user_id(entity_id) == user_id)
-    {
-        uint64 counter = get_local_counter(entity_id);
-        if (counter >= manager.next_local_counter)
-        {
-            manager.next_local_counter = counter + 1ULL;
-        }
-    }
-}

Game/Entity/EntityManager.h

@@ -3,11 +3,13 @@
 #include <Core/Container/Vector.h>
 #include <Entity/entity_common.h>
 
-struct World;
+typedef struct World          World;
-struct EntityTemplate;
+typedef struct EntityTemplate EntityTemplate;
-struct Entity;
+typedef struct Entity         Entity;
-struct Class;
+typedef struct Class          Class;
+typedef struct Archive        Archive;
 
+typedef struct typed_entity_array typed_entity_array;
 struct typed_entity_array
 {
     Arena*          arena;
@@ -15,22 +17,24 @@ struct typed_entity_array
     size_t          count;
 };
 
+typedef struct EntityManager EntityManager;
 struct EntityManager
 {
-    static EntityID ID;
+    uint64 next_local_counter;
-    uint64          next_local_counter = 1ULL;
 
     // TODO: Should be a pool
-    VectorArena<Entity, 100'000> Entities;
+    VectorArena Entities;
 
-    typed_entity_array by_type[ENTITY(Count)];
+    typed_entity_array by_type[Entity_Type_Count];
 };
 
-void                  InitEntityManager(NonNullPtr<World> world);
+extern EntityID g_entity_manager_id;
-void                  ShutdownEntityManager();
+
-EntityManager&        GetEntityManager();
+void            InitEntityManager(World* world);
-EntityTemplate*       RegisterEntity(EntityManager& manager, Entity* base, DerivedType entity);
+void            ShutdownEntityManager(void);
-[[nodiscard]] Entity* allocate_entity(EntityManager& manager, NonNullPtr<const Class> derived_type_class);
+EntityManager*  GetEntityManager(void);
-void                  UpdateEntityManager(EntityManager& manager);
+EntityTemplate* RegisterEntity(EntityManager* manager, Entity* base, DerivedType entity);
-[[nodiscard]] Entity* deserialize_entity(Archive& archive, EntityManager& manager);
+Entity*         allocate_entity(EntityManager* manager, const Class* derived_type_class);
-void                  update_local_counter(EntityManager& manager, EntityID entity_id);
+void            UpdateEntityManager(EntityManager* manager);
+Entity*         deserialize_entity(Archive* archive, EntityManager* manager);
+void            update_local_counter(EntityManager* manager, EntityID entity_id);

Game/Entity/entity_common.c

@@ -5,17 +5,16 @@
 
 // clang-format off
 #define AS_STR(name) #name
- const char* kEntity_type_names[] = {
+const char* kEntity_type_names[] = {
     ENTITY_TYPE_LIST(AS_STR)
     "Count"
 };
 #undef AS_STR
 
-#define AS_CLASS(name) name::kind
+#define AS_CLASS(name) &class_kind_##name
-const Class* kEntity_type_class_ptr[]
+const Class* kEntity_type_class_ptr[] = {
-{
     ENTITY_TYPE_LIST(AS_CLASS)
-    nullptr
+    NULL
 };
 #undef AS_CLASS
 // clang-format on

Game/Entity/entity_common.h

@@ -1,46 +1,48 @@
 #pragma once
 
-#include <Core/Common/EnumUtils.h>
 #include <Engine/Class.h>
 
-struct Class;
+typedef void*  DerivedType;
-using DerivedType = void*;
+typedef uint64 EntityID;
-using EntityID    = uint64_t;
 
-constexpr uint8 kInvalid_user_id = 0U;
+#define kInvalid_user_id          ((uint8)0U)
-constexpr EntityID kInvalid_entity_id = 0ULL;
+#define kInvalid_entity_id        ((EntityID)0ULL)
-
+#define kEntityID_user_id_shift   ((EntityID)56ULL)
-constexpr EntityID kEntityID_user_id_shift = 56ULL;
+#define kEntityID_user_id_mask    ((EntityID)0xFF00000000000000ULL)
-constexpr EntityID kEntityID_user_id_mask = 0xFF00'0000'0000'0000ULL;
 
 // clang-format off
 #define ENTITY_TYPE_LIST(X) X(Inert),
 
-#define AS_ENUM(name) name
+typedef uint8 Entity_Type;
-enum class Entity_Type : uint8
+#define AS_ENUM(name) Entity_Type_##name
+enum
 {
     ENTITY_TYPE_LIST(AS_ENUM)
-    Count
+    Entity_Type_Count
 };
 #undef AS_ENUM
 
-extern const char* kEntity_type_names[];
+extern const char*  kEntity_type_names[];
 extern const Class* kEntity_type_class_ptr[];
 
-#define ENTITY(kind) ToUnderlying(Entity_Type::kind)
+#define ENTITY(kind) ((uint8)Entity_Type_##kind)
 // clang-format on
 
-struct Entity;
+typedef struct Entity Entity;
 
-#define DECLARE_ENTITY()                                                                                               \
+#define DECLARE_ENTITY() Entity* base;
-    Entity* base;                                                                                                      \
-    DECLARE_CLASS()
 
-#define DEFINE_ENTITY_VERSIONED(entity, version)                                                                       \
+#define DEFINE_ENTITY_VERSIONED(entity, version_num)   \
-    constexpr Class entityKind##entity =                                                                               \
+    const Class class_kind_##entity = {                \
-        MakeClass(ConstString(#entity), (uint8)Entity_Type::entity, (version), &class_kind_Entity, sizeof(entity),     \
+        .Name           = ConstString(#entity),        \
-                  alignof(entity), (&initialize_thunk<entity>), (&serialize_thunk<entity>));                           \
+        .kind           = (uint8)Entity_Type_##entity, \
-    Class* entity::kind = const_cast<Class*>(&entityKind##entity);
+        .version        = (version_num),               \
+        .base_class     = &class_kind_Entity,          \
+        .initialize_fct = init_##entity,               \
+        .serialize_fct  = serialize_##entity,          \
+        .size_of        = sizeof(entity),              \
+        .alignment      = AlignOf(entity)              \
+    };
 
-// Note: Needed by every classes see define above
+// Note: Needed by every entity class (see define above)
 extern const Class class_kind_Entity;

Game/Entity/entity_types.c

@@ -0,0 +1,22 @@
+#include <Entity/entity_types.h>
+
+#include <Core/Common/serialization.h>
+
+internal void init_Inert(void* payload)
+{
+    Assert(payload != NULL);
+    Inert* inert        = (Inert*)payload;
+    inert->base         = NULL;
+    inert->MeshInstance = indexMax;
+}
+
+internal void serialize_Inert(Archive* ar, uint16 version, void* payload)
+{
+    (void)version;
+    Assert(ar != NULL);
+    Assert(payload != NULL);
+    Inert* inert = (Inert*)payload;
+    SERIALIZE_U64(ar, MeshInstance, &inert->MeshInstance);
+}
+
+DEFINE_ENTITY_VERSIONED(Inert, 1)

Game/Entity/entity_types.cpp

@@ -1,9 +0,0 @@
-#include <Entity/entity_types.h>
-
-#include <Core/Common/serialization.h>
-
-DEFINE_ENTITY_VERSIONED(Inert, 1)
-internal void serialize(Archive& ar, uint16 /*version*/, Inert& inert) 
-{
-    SERIALIZE(ar, MeshInstance, inert.MeshInstance);
-}

Game/Entity/entity_types.h

@@ -2,9 +2,11 @@
 
 #include <Entity/entity_common.h>
 
+typedef struct Inert Inert;
 struct Inert
 {
     DECLARE_ENTITY()
 
-    index_t MeshInstance = indexMax;
+    index_t MeshInstance;
 };
+DECLARE_CLASS(Inert)

Game/UnitTest/WorldUnitTest.c

@@ -0,0 +1,171 @@
+#include <UnitTest/WorldUnitTest.h>
+
+#if JULIET_DEBUG
+
+#include <Core/Common/CoreUtils.h>
+#include <Core/Common/serialization.h>
+#include <Core/HAL/IO/IOStream.h>
+#include <Core/Logging/LogManager.h>
+#include <Core/Logging/LogTypes.h>
+#include <Core/Memory/MemoryArena.h>
+#include <Core/Thread/ThreadContext.h>
+#include <Data/World.h>
+#include <Entity/Entity.h>
+#include <Entity/entity_types.h>
+#include <game.h>
+
+internal void TestEntityAllocationAndWiring(void)
+{
+    Log(LogLevel_Message, LogCategory_Game, "[UnitTest] Running TestEntityAllocationAndWiring...");
+
+    TempArena tempArena = scratch_begin(NULL, 0);
+
+    GameState* gameState = GetGameState();
+    World      testWorld = { 0 };
+    gameState->World     = &testWorld;
+    InitWorld(&testWorld, tempArena.Arena);
+
+    InitEntityManager(&testWorld);
+    EntityManager* manager = testWorld.EntityManager;
+
+    // 1. Allocate Inert Entity via allocate_entity
+    Entity* base_entity = allocate_entity(manager, ClassKind(Inert));
+    Assert(base_entity != NULL);
+    Assert(base_entity->ID == 0); // Pure memory allocator leaves ID unassigned (0) until MakeEntity or deserialization
+    base_entity->ID = ++g_entity_manager_id;
+    Assert(base_entity->ID > 0);
+    Assert(base_entity->derived_kind == ClassKind(Inert));
+    Assert(base_entity->derived != NULL);
+    Assert(base_entity->is_dirty == true);
+
+    // 2. Validate mutual back-pointer wiring
+    EntityTemplate* derived = (EntityTemplate*)base_entity->derived;
+    Assert(derived->base == base_entity);
+
+    // 3. DownCast verification
+    Inert* inert = DownCastEntity(Inert, base_entity);
+    Assert(inert != NULL);
+    Assert(inert->base == base_entity);
+
+    // 4. Validate typed array tracking
+    typed_entity_array* inert_array = &manager->by_type[ENTITY(Inert)];
+    Assert(inert_array->count == 1);
+    Assert(inert_array->array == derived);
+
+    ShutdownEntityManager();
+    ShutdownWorld(&testWorld);
+
+    gameState->World = NULL;
+
+    scratch_end(tempArena);
+
+    Log(LogLevel_Message, LogCategory_Game, "[UnitTest] PASSED: TestEntityAllocationAndWiring");
+}
+
+internal void TestInPlaceDeserialization(void)
+{
+    Log(LogLevel_Message, LogCategory_Game, "[UnitTest] Running TestInPlaceDeserialization...");
+    TempArena tempArena = scratch_begin(NULL, 0);
+
+    GameState* gameState = GetGameState();
+    World      testWorld = { 0 };
+    gameState->World     = &testWorld;
+    InitWorld(&testWorld, tempArena.Arena);
+
+    InitEntityManager(&testWorld);
+    EntityManager* manager = testWorld.EntityManager;
+    // 1. In-memory .jasset text fixture (no streams or files needed)
+    String     asset_content = ConstString("; Class\n"
+                                           "Inert\n"
+                                           "; version\n"
+                                           "1\n"
+                                           "; class_version\n"
+                                           "1\n"
+                                           "; id\n"
+                                           "42\n"
+                                           "; position\n"
+                                           "12.5 -44.0 108.2 1.0\n"
+                                           "; MeshInstance\n"
+                                           "42\n");
+    ByteBuffer buffer        = { .Data = (Byte*)asset_content.Str, .Size = asset_content.Size };
+    // 2. Tokenize into Archive
+    Archive load_ar = { 0 };
+    load_ar.arena   = tempArena.Arena;
+    load_ar.loading = true;
+    load_ar.base    = tokenize_archive(tempArena.Arena, buffer);
+    // 3. Deserialize in-place
+    Entity* loaded_base = deserialize_entity(&load_ar, manager);
+    // 4. Verify in-place allocations and values
+    Assert(loaded_base != NULL);
+    Assert(loaded_base->ID == 42);
+    Assert(g_entity_manager_id > 42); // Generator counter advanced past loaded ID
+    Assert(loaded_base->position.x == 12.5f);
+    Assert(loaded_base->position.y == -44.0f);
+    Assert(loaded_base->position.z == 108.2f);
+    Assert(loaded_base->is_dirty == false);
+    Inert* loaded_inert = DownCastEntity(Inert, loaded_base);
+    Assert(loaded_inert != NULL);
+    Assert(loaded_inert->base == loaded_base);
+    Assert(loaded_inert->MeshInstance == 42);
+    ShutdownEntityManager();
+    ShutdownWorld(&testWorld);
+
+    gameState->World = NULL;
+
+    scratch_end(tempArena);
+    Log(LogLevel_Message, LogCategory_Game, "[UnitTest] PASSED: TestInPlaceDeserialization");
+}
+
+internal void TestDirtyTrackingLifecycle(void)
+{
+    Log(LogLevel_Message, LogCategory_Game, "[UnitTest] Running TestDirtyTrackingLifecycle...");
+
+    TempArena tempArena = scratch_begin(NULL, 0);
+
+    GameState* gameState = GetGameState();
+    World      testWorld = { 0 };
+    gameState->World     = &testWorld;
+    InitWorld(&testWorld, tempArena.Arena);
+
+    InitEntityManager(&testWorld);
+    EntityManager* manager = testWorld.EntityManager;
+
+    Entity* entity = allocate_entity(manager, ClassKind(Inert));
+    Assert(entity->is_dirty == true);
+
+    // TODO : proper save and mutation
+    // Simulate save
+    entity->is_dirty = false;
+    Assert(entity->is_dirty == false);
+
+    // Simulate mutation
+    entity->position.x += 1.0f;
+    entity->is_dirty = true;
+    Assert(entity->is_dirty == true);
+
+    ShutdownEntityManager();
+    ShutdownWorld(&testWorld);
+
+    gameState->World = NULL;
+
+    scratch_end(tempArena);
+    Log(LogLevel_Message, LogCategory_Game, "[UnitTest] PASSED: TestDirtyTrackingLifecycle");
+}
+
+void UnitTest_WorldUnitTest(void)
+{
+    Log(LogLevel_Message, LogCategory_Game, "==================================================");
+    Log(LogLevel_Message, LogCategory_Game, "Starting Entity Allocation & Lifecycle Unit Tests");
+    Log(LogLevel_Message, LogCategory_Game, "==================================================");
+
+    TestEntityAllocationAndWiring();
+    TestInPlaceDeserialization();
+    // TestSwapAndPopPointerFixup(); // Deferred to Entity_Removal_Brainstorm.md
+    TestDirtyTrackingLifecycle();
+
+    Log(LogLevel_Message, LogCategory_Game, "==================================================");
+    Log(LogLevel_Message, LogCategory_Game, "All Entity Lifecycle Unit Tests PASSED Successfully");
+    Log(LogLevel_Message, LogCategory_Game, "==================================================");
+}
+
+#endif

Game/UnitTest/WorldUnitTest.cpp

@@ -1,173 +0,0 @@
-#include <UnitTest/WorldUnitTest.h>
-
-#if JULIET_DEBUG
-
-#include <Core/Common/CoreUtils.h>
-#include <Core/Common/serialization.h>
-#include <Core/HAL/IO/IOStream.h>
-#include <Core/Logging/LogManager.h>
-#include <Core/Logging/LogTypes.h>
-#include <Core/Memory/MemoryArena.h>
-#include <Core/Thread/ThreadContext.h>
-#include <Data/World.h>
-#include <Entity/entity_types.h>
-#include <game.h>
-
-namespace UnitTest
-{
-    internal void TestEntityAllocationAndWiring()
-    {
-        Log(LogLevel::Message, LogCategory::Game, "[UnitTest] Running TestEntityAllocationAndWiring...");
-
-        TempArena tempArena = scratch_begin(nullptr, 0);
-
-        GameState* gameState = GetGameState();
-        World      testWorld{};
-        gameState->World = &testWorld;
-        InitWorld(&testWorld, tempArena.Arena);
-
-        InitEntityManager(&testWorld);
-        EntityManager& manager = *testWorld.EntityManager;
-
-        // 1. Allocate Inert Entity via AllocateEntity
-        Entity* base_entity = allocate_entity(manager, Inert::kind);
-        Assert(base_entity != nullptr);
-        Assert(base_entity->ID == 0); // Pure memory allocator leaves ID unassigned (0) until MakeEntity or deserialization
-        base_entity->ID = ++EntityManager::ID;
-        Assert(base_entity->ID > 0);
-        Assert(base_entity->derived_kind == Inert::kind);
-        Assert(base_entity->derived != nullptr);
-        Assert(base_entity->is_dirty == true);
-
-        // 2. Validate mutual back-pointer wiring
-        auto* derived = reinterpret_cast<EntityTemplate*>(base_entity->derived);
-        Assert(derived->base == base_entity);
-
-        // 3. DownCast verification
-        Inert* inert = DownCast<Inert>(base_entity);
-        Assert(inert != nullptr);
-        Assert(inert->base == base_entity);
-
-        // 4. Validate typed array tracking
-        typed_entity_array& inert_array = manager.by_type[ENTITY(Inert)];
-        Assert(inert_array.count == 1);
-        Assert(inert_array.array == derived);
-
-        ShutdownEntityManager();
-        ShutdownWorld(&testWorld);
-
-        gameState->World = nullptr;
-
-        scratch_end(tempArena);
-
-        Log(LogLevel::Message, LogCategory::Game, "[UnitTest] PASSED: TestEntityAllocationAndWiring");
-    }
-
-    internal void TestInPlaceDeserialization()
-    {
-        Log(LogLevel::Message, LogCategory::Game, "[UnitTest] Running TestInPlaceDeserialization...");
-        TempArena tempArena = scratch_begin(nullptr, 0);
-
-        GameState* gameState = GetGameState();
-        World      testWorld{};
-        gameState->World = &testWorld;
-        InitWorld(&testWorld, tempArena.Arena);
-
-        InitEntityManager(&testWorld);
-        EntityManager& manager = *testWorld.EntityManager;
-        // 1. In-memory .jasset text fixture (no streams or files needed)
-        String     asset_content = ConstString("; Class\n"
-                                                   "Inert\n"
-                                                   "; version\n"
-                                                   "1\n"
-                                                   "; class_version\n"
-                                                   "1\n"
-                                                   "; id\n"
-                                                   "42\n"
-                                                   "; position\n"
-                                                   "12.5 -44.0 108.2 1.0\n"
-                                                   "; MeshInstance\n"
-                                                   "42\n");
-        ByteBuffer buffer        = { .Data = reinterpret_cast<Byte*>(asset_content.Str), .Size = asset_content.Size };
-        // 2. Tokenize into Archive
-        Archive load_ar = {};
-        load_ar.arena   = tempArena.Arena;
-        load_ar.loading = true;
-        load_ar.base    = tokenize_archive(tempArena.Arena, buffer);
-        // 3. Deserialize in-place
-        Entity* loaded_base = deserialize_entity(load_ar, manager);
-        // 4. Verify in-place allocations and values
-        Assert(loaded_base != nullptr);
-        Assert(loaded_base->ID == 42);
-        Assert(EntityManager::ID > 42); // Generator counter advanced past loaded ID
-        Assert(loaded_base->position.x == 12.5f);
-        Assert(loaded_base->position.y == -44.0f);
-        Assert(loaded_base->position.z == 108.2f);
-        Assert(loaded_base->is_dirty == false);
-        Inert* loaded_inert = DownCast<Inert>(loaded_base);
-        Assert(loaded_inert != nullptr);
-        Assert(loaded_inert->base == loaded_base);
-        Assert(loaded_inert->MeshInstance == 42);
-        ShutdownEntityManager();
-        ShutdownWorld(&testWorld);
-
-        gameState->World = nullptr;
-
-        scratch_end(tempArena);
-        Log(LogLevel::Message, LogCategory::Game, "[UnitTest] PASSED: TestInPlaceDeserialization");
-    }
-
-    internal void TestDirtyTrackingLifecycle()
-    {
-        Log(LogLevel::Message, LogCategory::Game, "[UnitTest] Running TestDirtyTrackingLifecycle...");
-
-        TempArena tempArena = scratch_begin(nullptr, 0);
-
-        GameState* gameState = GetGameState();
-        World      testWorld{};
-        gameState->World = &testWorld;
-        InitWorld(&testWorld, tempArena.Arena);
-
-        InitEntityManager(&testWorld);
-        EntityManager& manager = *testWorld.EntityManager;
-
-        Entity* entity = allocate_entity(manager, Inert::kind);
-        Assert(entity->is_dirty == true);
-
-        // TODO : proper save and mutation
-        // Simulate save
-        entity->is_dirty = false;
-        Assert(entity->is_dirty == false);
-
-        // Simulate mutation
-        entity->position.x += 1.0f;
-        entity->is_dirty = true;
-        Assert(entity->is_dirty == true);
-
-        ShutdownEntityManager();
-        ShutdownWorld(&testWorld);
-
-        gameState->World = nullptr;
-
-        scratch_end(tempArena);
-        Log(LogLevel::Message, LogCategory::Game, "[UnitTest] PASSED: TestDirtyTrackingLifecycle");
-    }
-
-    void WorldUnitTest()
-    {
-        Log(LogLevel::Message, LogCategory::Game, "==================================================");
-        Log(LogLevel::Message, LogCategory::Game, "Starting Entity Allocation & Lifecycle Unit Tests");
-        Log(LogLevel::Message, LogCategory::Game, "==================================================");
-
-        TestEntityAllocationAndWiring();
-        TestInPlaceDeserialization();
-        // TestSwapAndPopPointerFixup(); // Deferred to Entity_Removal_Brainstorm.md
-        TestDirtyTrackingLifecycle();
-
-        Log(LogLevel::Message, LogCategory::Game, "==================================================");
-        Log(LogLevel::Message, LogCategory::Game, "All Entity Lifecycle Unit Tests PASSED Successfully");
-        Log(LogLevel::Message, LogCategory::Game, "==================================================");
-    }
-} // namespace UnitTest
-
-#endif

Game/UnitTest/WorldUnitTest.h

@@ -4,9 +4,6 @@
 
 #if JULIET_DEBUG
 
-namespace UnitTest
+void UnitTest_WorldUnitTest(void);
-{
-    void WorldUnitTest();
-} // namespace UnitTest
 
 #endif

Game/game.c

@@ -13,28 +13,26 @@
 #include <Entity/EntityManager.h>
 #include <Graphics/Camera.h>
 #include <Graphics/MeshRenderer.h>
-#include <imgui.h>
+#include <dcimgui.h>
+#include <stdio.h>
 
 #if JULIET_DEBUG
 #include <Debug/DebugTopBar.h>
 #include <UnitTest/WorldUnitTest.h>
 #endif
 
-namespace
+global GameState* gGameState = NULL;
-{
-    GameState* gGameState = nullptr;
-}
 
-GameState* GetGameState()
+GameState* GetGameState(void)
 {
     return gGameState;
 }
 
-extern "C" JULIET_API void __cdecl GameShutdown()
+JULIET_API void __cdecl GameShutdown(void)
 {
     printf("Shutting down game...\n");
 
-    if (gGameState && gGameState->World)
+    if (gGameState != NULL && gGameState->World != NULL)
     {
         ShutdownWorld(gGameState->World);
     }
@@ -42,47 +40,55 @@ extern "C" JULIET_API void __cdecl GameShutdown()
     ShutdownEntityManager();
 }
 
-extern "C" JULIET_API void __cdecl GameUpdate(GameData* params, [[maybe_unused]] float deltaTime)
+JULIET_API void __cdecl GameUpdate(GameData* params, float deltaTime)
 {
+    Assert(params != NULL);
+
     gGameState = params->GameState;
-    if (!gGameState)
+    if (gGameState == NULL)
     {
-        Arena* gameStateArena = ArenaAllocate({ .ReserveSize = Megabytes(1), .Name = "Game Total Arena" });
+        ArenaParams gameStateParams = { .ReserveSize = Megabytes(1), .Name = "Game Total Arena" };
-        auto*  gameState      = ArenaPushStruct<GameState>(gameStateArena);
+        Arena*      gameStateArena  = ArenaAllocate(gameStateParams);
+        GameState*  gameState       = ArenaPushStruct(gameStateArena, GameState);
         gGameState = params->GameState = gameState;
         gameState->TotalArena          = gameStateArena;
+        gameState->Mode                = GameMode_Editor;
 
         gameState->TotalTime = 0.0f;
         gameState->Score     = 0;
 
-        printf("Game Arena Allocated: %p\n", static_cast<void*>(gameState));
+        printf("Game Arena Allocated: %p\n", (void*)gameState);
 
         // Reserve cameras. Lets go with 4 for now
         ReserveCamera(4);
 
 #if JULIET_DEBUG
-        UnitTest::WorldUnitTest();
+        UnitTest_WorldUnitTest();
 #endif
 
         // Bootstrap world
-        auto*  worldArena = ArenaAllocate({ .ReserveSize = Megabytes(1), .Name = "World Arena" });
+        ArenaParams worldParams = { .ReserveSize = Megabytes(1), .Name = "World Arena" };
-        World* world      = ArenaPushStruct<World>(worldArena JULIET_DEBUG_PARAM("World"));
+        Arena*      worldArena  = ArenaAllocate(worldParams);
-        gameState->World  = world;
+        World*      world       = ArenaPushStructTag(worldArena, World, "World");
+        gameState->World        = world;
         InitWorld(gameState->World, worldArena);
 
         // Entity Use case
         InitEntityManager(gameState->World);
-        auto& manager = GetEntityManager();
+        EntityManager* manager = GetEntityManager();
 
-        NonNullPtr mesh = MakeEntity<Inert>(manager, 1.f, 2.f, 0.f);
+        Inert* mesh = MakeEntity(Inert, manager, 1.f, 2.f, 0.f);
+        Assert(mesh != NULL);
 
         MeshAssetID    cubeAsset = GetCubePrimitiveMeshAssetID();
-        MeshInstanceID meshInst  = CreateMeshInstance(cubeAsset, 0, MatrixIdentity());
+        Matrix         identity  = MatrixIdentity();
+        MeshInstanceID meshInst  = CreateMeshInstance(cubeAsset, 0, &identity);
         mesh->MeshInstance       = meshInst;
 
-        NonNullPtr mesh2 = MakeEntity<Inert>(manager, 4.f, 0.f, 2.f);
+        Inert* mesh2 = MakeEntity(Inert, manager, 4.f, 0.f, 2.f);
+        Assert(mesh2 != NULL);
 
-        MeshInstanceID meshInst2 = CreateMeshInstance(cubeAsset, 0, MatrixIdentity());
+        MeshInstanceID meshInst2 = CreateMeshInstance(cubeAsset, 0, &identity);
         mesh2->MeshInstance      = meshInst2;
 
         // Summer at 2pm lighting
@@ -97,64 +103,64 @@ extern "C" JULIET_API void __cdecl GameUpdate(GameData* params, [[maybe_unused]]
 #endif
 
     GameMode previousFrameMode = gGameState->Mode;
-    if (IsKeyPressed(ScanCode::F1))
+    if (IsKeyPressed(ScanCode_F1))
     {
-        if (previousFrameMode == GameMode::Play)
+        if (previousFrameMode == GameMode_Play)
         {
-            gGameState->Mode = GameMode::Debug;
+            gGameState->Mode = GameMode_Debug;
         }
-        else if (previousFrameMode == GameMode::Debug)
+        else if (previousFrameMode == GameMode_Debug)
         {
-            gGameState->Mode = GameMode::Play;
+            gGameState->Mode = GameMode_Play;
         }
     }
 
-    if (gGameState->Mode == GameMode::Editor)
+    if (gGameState->Mode == GameMode_Editor)
     {
-        if (IsKeyPressed(ScanCode::F5))
+        if (IsKeyPressed(ScanCode_F5))
         {
-            gGameState->Mode = GameMode::Play;
+            gGameState->Mode = GameMode_Play;
         }
 
 #if JULIET_EDITOR
-        RenderWorldEditorUI(*gGameState->World);
+        RenderWorldEditorUI(gGameState->World);
 #endif
     }
 
-    if (gGameState->Mode == GameMode::Play)
+    if (gGameState->Mode == GameMode_Play)
     {
-        if (IsKeyPressed(ScanCode::Escape))
+        if (IsKeyPressed(ScanCode_Escape))
         {
-            gGameState->Mode = GameMode::Editor;
+            gGameState->Mode = GameMode_Editor;
         }
 
         // update game
     }
 
-    auto& manager = GetEntityManager();
+    EntityManager* manager = GetEntityManager();
     UpdateEntityManager(manager);
 
-    if (gGameState->Mode == GameMode::Debug)
+    if (gGameState->Mode == GameMode_Debug)
     {
-        if (previousFrameMode == GameMode::Play)
+        if (previousFrameMode == GameMode_Play)
         {
             ActivateDebugController();
         }
 
-        if (IsKeyPressed(ScanCode::Escape))
+        if (IsKeyPressed(ScanCode_Escape))
         {
-            gGameState->Mode = GameMode::Editor;
+            gGameState->Mode = GameMode_Editor;
         }
 
         UpdateDebugController(deltaTime);
 
 #if JULIET_DEBUG
-        ImGui::Begin("Debug");
+        ImGui_Begin("Debug", NULL, ImGuiWindowFlags_None);
         RenderImGuiDebugController(deltaTime);
-        ImGui::End();
+        ImGui_End();
 #endif
     }
-    if (gGameState->Mode != GameMode::Debug && previousFrameMode == GameMode::Debug)
+    if (gGameState->Mode != GameMode_Debug && previousFrameMode == GameMode_Debug)
     {
         DeactivateDebugController();
     }

Game/game.h

@@ -3,25 +3,27 @@
 #include <Core/Memory/MemoryArena.h>
 #include <Data/World.h>
 
-struct EntityManager;
+typedef struct EntityManager EntityManager;
 
-enum class GameMode
+typedef uint32 GameMode;
+enum
 {
-    Editor,
+    GameMode_Editor = 0,
-    Play,
+    GameMode_Play,
-    Debug
+    GameMode_Debug
 };
 
+typedef struct GameState GameState;
 struct GameState
 {
-    Arena* TotalArena = nullptr;
+    Arena* TotalArena;
 
-    World* World = nullptr;
+    World* World;
 
-    GameMode Mode = GameMode::Editor;
+    GameMode Mode;
 
-    float TotalTime = 0.0f;
+    float TotalTime;
-    int   Score     = 0;
+    int   Score;
 };
 
-[[nodiscard]] extern GameState* GetGameState();
+extern GameState* GetGameState(void);

Juliet/Juliet.vcxproj.filters

@@ -1,658 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <Filter Include="src">
-    </Filter>
-    <Filter Include="src\Core">
-    </Filter>
-    <Filter Include="src\Core\Application">
-    </Filter>
-    <Filter Include="src\Core\Common">
-    </Filter>
-    <Filter Include="src\Core\Container">
-    </Filter>
-    <Filter Include="src\Core\HAL">
-    </Filter>
-    <Filter Include="src\Core\HAL\Display">
-    </Filter>
-    <Filter Include="src\Core\HAL\Display\Win32">
-    </Filter>
-    <Filter Include="src\Core\HAL\DynLib">
-    </Filter>
-    <Filter Include="src\Core\HAL\DynLib\Win32">
-    </Filter>
-    <Filter Include="src\Core\HAL\Event">
-    </Filter>
-    <Filter Include="src\Core\HAL\Filesystem">
-    </Filter>
-    <Filter Include="src\Core\HAL\Filesystem\Win32">
-    </Filter>
-    <Filter Include="src\Core\HAL\IO">
-    </Filter>
-    <Filter Include="src\Core\HAL\IO\Win32">
-    </Filter>
-    <Filter Include="src\Core\HAL\OS">
-    </Filter>
-    <Filter Include="src\Core\HAL\OS\Win32">
-    </Filter>
-    <Filter Include="src\Core\HotReload">
-    </Filter>
-    <Filter Include="src\Core\HotReload\Win32">
-    </Filter>
-    <Filter Include="src\Core\ImGui">
-    </Filter>
-    <Filter Include="src\Core\Logging">
-    </Filter>
-    <Filter Include="src\Core\Math">
-    </Filter>
-    <Filter Include="src\Core\Memory">
-    </Filter>
-    <Filter Include="src\Core\Networking">
-    </Filter>
-    <Filter Include="src\Core\Networking\Win32">
-    </Filter>
-    <Filter Include="src\Engine">
-    </Filter>
-    <Filter Include="src\Engine\Debug">
-    </Filter>
-    <Filter Include="src\Graphics">
-    </Filter>
-    <Filter Include="src\Graphics\D3D12">
-    </Filter>
-    <Filter Include="src\Graphics\D3D12\AgilitySDK">
-    </Filter>
-    <Filter Include="src\Graphics\D3D12\AgilitySDK\d3dx12">
-    </Filter>
-    <Filter Include="src\UnitTest">
-    </Filter>
-    <Filter Include="src\UnitTest\Container">
-    </Filter>
-    <Filter Include="include">
-    </Filter>
-    <Filter Include="include\Core">
-    </Filter>
-    <Filter Include="include\Core\Application">
-    </Filter>
-    <Filter Include="include\Core\Common">
-    </Filter>
-    <Filter Include="include\Core\Container">
-    </Filter>
-    <Filter Include="include\Core\HAL">
-    </Filter>
-    <Filter Include="include\Core\HAL\Display">
-    </Filter>
-    <Filter Include="include\Core\HAL\DynLib">
-    </Filter>
-    <Filter Include="include\Core\HAL\Event">
-    </Filter>
-    <Filter Include="include\Core\HAL\Filesystem">
-    </Filter>
-    <Filter Include="include\Core\HAL\IO">
-    </Filter>
-    <Filter Include="include\Core\HAL\Keyboard">
-    </Filter>
-    <Filter Include="include\Core\HAL\Mouse">
-    </Filter>
-    <Filter Include="include\Core\HAL\OS">
-    </Filter>
-    <Filter Include="include\Core\HotReload">
-    </Filter>
-    <Filter Include="include\Core\ImGui">
-    </Filter>
-    <Filter Include="include\Core\Logging">
-    </Filter>
-    <Filter Include="include\Core\Math">
-    </Filter>
-    <Filter Include="include\Core\Memory">
-    </Filter>
-    <Filter Include="include\Core\Networking">
-    </Filter>
-    <Filter Include="include\Core\Thread">
-    </Filter>
-    <Filter Include="include\Engine">
-    </Filter>
-    <Filter Include="include\Engine\Debug">
-    </Filter>
-    <Filter Include="include\Graphics">
-    </Filter>
-  </ItemGroup>
-  <ItemGroup>
-    <ClCompile Include="src\Core\Application\ApplicationManager.cpp">
-      <Filter>src\Core\Application</Filter>
-    </ClCompile>
-    <ClCompile Include="src\Core\Common\CoreUtils.cpp">
-      <Filter>src\Core\Common</Filter>
-    </ClCompile>
-    <ClCompile Include="src\Core\Common\String.cpp">
-      <Filter>src\Core\Common</Filter>
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-    <ClInclude Include="src\Graphics\D3D12\D3D12Texture.h">
-      <Filter>src\Graphics\D3D12</Filter>
-    </ClInclude>
-    <ClInclude Include="src\Graphics\D3D12\D3D12Utils.h">
-      <Filter>src\Graphics\D3D12</Filter>
-    </ClInclude>
-    <ClInclude Include="src\Graphics\GraphicsDevice.h">
-      <Filter>src\Graphics</Filter>
-    </ClInclude>
-    <ClInclude Include="src\UnitTest\VectorTestHelper.h">
-      <Filter>src\UnitTest</Filter>
-    </ClInclude>
-    <ClInclude Include="src\Graphics\D3D12\AgilitySDK\D3D12TokenizedProgramFormat.hpp">
-      <Filter>src\Graphics\D3D12\AgilitySDK</Filter>
-    </ClInclude>
-  </ItemGroup>
-</Project>

Juliet/core/core.c

@@ -0,0 +1,30 @@
+// =============================================================================
+// Safe Casts
+
+internal uint16 safe_cast_uint16(uint32 val)
+{
+    AssertAlways(val <= max_uint16);
+    uint16 result = (uint16)val;
+    return result;
+}
+
+internal uint32 safe_cast_uint32(uint64 val)
+{
+    AssertAlways(val <= max_uint32);
+    uint32 result = (uint32)val;
+    return result;
+}
+
+internal int32 safe_cast_int32(int64 val)
+{
+    AssertAlways(val <= max_int32);
+    int32 result = (int32)val;
+    return result;
+}
+
+// =============================================================================
+// Third party includes
+
+#define STB_SPRINTF_IMPLEMENTATION
+#define STB_SPRINTF_STATIC
+#include "external/stb_sprintf/stb_sprintf.h"

Juliet/core/core.h

@@ -0,0 +1,299 @@
+#pragma once
+
+#include <stdint.h>
+
+// =============================================================================
+// Third party includes
+
+#define STB_SPRINTF_DECORATE(name) juliet_##name
+#define STB_SPRINTF_STATIC
+#include "external/stb_sprintf/stb_sprintf.h"
+
+#define internal static
+#define global static
+#define local_persist static
+
+#if (COMPILER_CLANG && OS_WINDOWS) || COMPILER_MSVC
+# pragma section(".rdata$", read)
+# define read_only __declspec(allocate(".rdata$"))
+#elif (COMPILER_CLANG && OS_LINUX)
+# define read_only __attribute__((section(".rodata")))
+#else
+// Note: not possible with GCC
+# define read_only
+#endif
+
+#if COMPILER_CLANG || COMPILER_GCC
+# define thread_static __thread
+#elif COMPILER_MSVC
+# define thread_static __declspec(thread)
+#else
+# error thread_static not defined for this compiler
+#endif
+
+// =============================================================================
+// Units
+
+#define KB(d) ((uint64)(d) << 10)
+#define MB(d) ((uint64)(d) << 20)
+#define GB(d) ((uint64)(d) << 30)
+#define Million(n) ((n) * 1000000)
+
+// =============================================================================
+// Branch predictor hints
+
+#if defined(__clang__)
+# define Expect(expr, val) __builtin_expect((expr), (val))
+#else
+# define Expect(expr, val) (expr)
+#endif
+
+#define Likely(expr) Expect(expr, 1)
+#define Unlikely(expr) Expect(expr, 0)
+
+// =============================================================================
+// Min Max Clamp
+
+#define Min(A, B) (((A) < (B) ? (A) : (B)))
+#define Max(A, B) (((A) > (B) ? (A) : (B)))
+#define ClampTop(A, X) Min(A, X)
+#define ClampBottom(X, B) Max(X, B)
+#define Clamp(A, X, B) (((X) < (A)) ? (A) : ((X) > (B)) ? (B) : (X))
+
+// =============================================================================
+// Alignment
+#if COMPILER_CLANG || COMPILER_GCC
+# define AlignOf(Type) __alignof(Type)
+#elif COMPILER_MSVC
+# define AlignOf(Type) __alignof(Type)
+#else
+# error AlignOf not defined for this compiler
+#endif
+
+// =============================================================================
+// For loop helpers
+
+#define DeferLoop(begin, end) for (int _i_ = ((begin), 0); !_i_; ++_i_, (end))
+
+#define EachIndex(it, count) (uint64 it = 0; it < (count); ++it)
+#define EachNode(it, Type, first) (Type* it = first; it != 0; it = it->next)
+
+// =============================================================================
+// Memory Helpers
+
+#define MemoryCopy(dst, src, size) memmove((dst), (src), (size))
+#define MemorySet(dst, src, size) memset((dst), (src), (size))
+#define MemoryCompare(a, b, size) memcmp((a), (b), (size))
+
+#define MemoryZero(ptr, size) memset((ptr), 0, (size))
+#define MemoryZeroStruct(s) MemoryZero((s), sizeof(*(s)))
+#define MemoryZeroArray(arr) MemoryZero((arr), sizeof(arr))
+
+#define MemoryMatch(a, b, size) (MemoryCompare((a), (b), (size)) == 0)
+#define MemoryMatchStruct(a, b) MemoryMatch((a), (b), sizeof(*(a)))
+#define MemoryMatchArray(a, b) MemoryMatch((a), (b), sizeof(a))
+
+// =============================================================================
+// Asserts
+
+#if COMPILER_CLANG || COMPILER_GCC
+# define Trap() __builtin_trap()
+#elif COMPILER_MSVC
+# define Trap() __debugbreak()
+#else
+# error Unknown trap intrinsic for this compiler
+#endif
+
+#define AssertAlways(cond)                                                                                             \
+    do                                                                                                                 \
+    {                                                                                                                  \
+        if (!(cond))                                                                                                   \
+        {                                                                                                              \
+            Trap();                                                                                                    \
+        }                                                                                                              \
+    }                                                                                                                  \
+    while (0)
+#if BUILD_DEBUG
+# define Assert(cond) AssertAlways(cond)
+#else
+# define Assert(cond) (void)(cond)
+#endif
+
+#define StaticAssert(cond, ID) global uint8 GLUE(ID, __LINE__)[(cond) ? 1 : -1]
+
+// =============================================================================
+// Linked List macro
+
+// Linked list macro helpers
+#define CheckNil(nil, ptr) ((ptr) == 0 || (ptr) == nil)
+#define SetNil(nil, ptr) ((ptr) = nil)
+
+// Doubly-linked-lists
+// clang-format off
+#define DLL_insert_next_prev_zero(nil, first, last, ptr, node, next, previous)                                                                   \
+    (CheckNil(nil, first) ? ((first) = (last) = (node), SetNil(nil, (node)->next), SetNil(nil, (node)->previous))                     \
+     : CheckNil(nil, ptr) ? ((node)->next = (first), (first)->previous = (node), (first) = (node), SetNil(nil, (node)->previous))     \
+     : ((ptr) == (last))  ? ((last)->next = (node),  (node )->previous = (last), (last ) = (node), SetNil(nil, (node)->next))         \
+                          : (((CheckNil(nil, ptr) && CheckNil(nil, (ptr)->next)) ? (0) : ((ptr)->next->previous = (node))),           \
+                         ((node)->next = (ptr)->next), ((ptr)->next = (node)), ((node)->previous = (ptr))))
+#define DLL_push_back_next_prev_zero(nil, first, last, node, next, previous)                                           \
+    DLL_insert_next_prev_zero(nil, first, last, last, node, next, previous)
+#define DLL_remove_next_prev_zero(nil, first, last, node, next, previous)                                              \
+    (((node) == (first) ? (first) = (node)->next : (0)), ((node) == (last) ? (last) = (last)->previous : (0)),         \
+     (CheckNil(nil, (node)->previous) ? (0) : ((node)->previous->next = (node)->next)),                                \
+     (CheckNil(nil, (node)->next) ? (0) : ((node)->next->previous = (node)->previous)))
+// clang-format on
+
+// Single link double head lists (= queues)
+#define SLL_queue_push_next_zero(nil, first, last, node, next)                                                         \
+    (CheckNil(nil, first) ? ((first) = (last) = (node), SetNil(nil, (node)->next))                                     \
+                          : ((last)->next = (node), (last) = (node), SetNil(nil, (node)->next)))
+
+// Single (link & head) lists (= stacks)
+#define SLL_stack_push_next(first, node, next) ((node)->next = (first), (first) = (node))
+#define SLL_stack_pop_next(first, next) ((first) = (first)->next);
+
+// Double linked list helpers
+#define DLL_push_back_next_prev(first, last, node, next, previous)                                                     \
+    DLL_push_back_next_prev_zero(0, first, last, node, next, previous)
+#define DLL_remove_next_prev(first, last, node, next, prev) DLL_remove_next_prev_zero(0, first, last, node, next, prev)
+#define DLL_push_back(first, last, node) DLL_push_back_next_prev_zero(0, first, last, node, next, previous)
+#define DLL_remove(first, last, node) DLL_remove_next_prev_zero(0, first, last, node, next, previous)
+
+// Queue helpers
+#define SLL_queue_push(first, last, node) SLL_queue_push_next_zero(0, first, last, node, next)
+
+// Stack helpers
+#define SLL_stack_push(first, node) SLL_stack_push_next(first, node, next)
+#define SLL_stack_pop(first) SLL_stack_pop_next(first, next)
+
+// =============================================================================
+// Helpers
+
+#define AlignPow2(x, align) (((x) + (align) - 1) & (~((align) - 1)))
+
+#define Stringify_(S) #S
+#define Stringify(S) Stringify_(S)
+
+#define GLUE_(A, B) A##B
+#define GLUE(A, B) GLUE_(A, B)
+
+#define ArrayCount(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#if ARCH_64BIT
+# define IntFromPtr(ptr) ((uint64)(ptr))
+#else
+# error Missing pointer to integer cast for this architecture
+#endif
+#define PtrFromInt(i) (void*)(i)
+
+// =============================================================================
+// Core Types
+
+typedef uint8_t  uint8;
+typedef uint16_t uint16;
+typedef uint32_t uint32;
+typedef uint64_t uint64;
+typedef int8_t   int8;
+typedef int16_t  int16;
+typedef int32_t  int32;
+typedef int64_t  int64;
+typedef float    float32;
+typedef double   float64;
+
+typedef int8  bool8;
+typedef int16 bool16;
+typedef int32 bool32;
+typedef int64 bool64;
+
+// =============================================================================
+// Core Constants
+
+global uint8  max_uint8  = 0xFF;
+global uint16 max_uint16 = 0xFFFF;
+global uint32 max_uint32 = 0xFFFFFFFF;
+global uint64 max_uint64 = 0xFFFFFFFFFFFFFFFFll;
+
+global int8  max_int8  = (int8)0x7F;
+global int16 max_int16 = (int16)0x7FFF;
+global int32 max_int32 = (int32)0x7FFFFFFF;
+global int64 max_int64 = (int64)0x7FFFFFFFFFFFFFFFll;
+
+global const uint32 bitmask1  = 0x00000001;
+global const uint32 bitmask2  = 0x00000003;
+global const uint32 bitmask3  = 0x00000007;
+global const uint32 bitmask4  = 0x0000000f;
+global const uint32 bitmask5  = 0x0000001f;
+global const uint32 bitmask6  = 0x0000003f;
+global const uint32 bitmask7  = 0x0000007f;
+global const uint32 bitmask8  = 0x000000ff;
+global const uint32 bitmask9  = 0x000001ff;
+global const uint32 bitmask10 = 0x000003ff;
+global const uint32 bitmask11 = 0x000007ff;
+global const uint32 bitmask12 = 0x00000fff;
+global const uint32 bitmask13 = 0x00001fff;
+global const uint32 bitmask14 = 0x00003fff;
+global const uint32 bitmask15 = 0x00007fff;
+global const uint32 bitmask16 = 0x0000ffff;
+global const uint32 bitmask17 = 0x0001ffff;
+global const uint32 bitmask18 = 0x0003ffff;
+global const uint32 bitmask19 = 0x0007ffff;
+global const uint32 bitmask20 = 0x000fffff;
+global const uint32 bitmask21 = 0x001fffff;
+global const uint32 bitmask22 = 0x003fffff;
+global const uint32 bitmask23 = 0x007fffff;
+global const uint32 bitmask24 = 0x00ffffff;
+global const uint32 bitmask25 = 0x01ffffff;
+global const uint32 bitmask26 = 0x03ffffff;
+global const uint32 bitmask27 = 0x07ffffff;
+global const uint32 bitmask28 = 0x0fffffff;
+global const uint32 bitmask29 = 0x1fffffff;
+global const uint32 bitmask30 = 0x3fffffff;
+global const uint32 bitmask31 = 0x7fffffff;
+global const uint32 bitmask32 = 0xffffffff;
+
+global const uint32 bit1  = (1 << 0);
+global const uint32 bit2  = (1 << 1);
+global const uint32 bit3  = (1 << 2);
+global const uint32 bit4  = (1 << 3);
+global const uint32 bit5  = (1 << 4);
+global const uint32 bit6  = (1 << 5);
+global const uint32 bit7  = (1 << 6);
+global const uint32 bit8  = (1 << 7);
+global const uint32 bit9  = (1 << 8);
+global const uint32 bit10 = (1 << 9);
+global const uint32 bit11 = (1 << 10);
+global const uint32 bit12 = (1 << 11);
+global const uint32 bit13 = (1 << 12);
+global const uint32 bit14 = (1 << 13);
+global const uint32 bit15 = (1 << 14);
+global const uint32 bit16 = (1 << 15);
+global const uint32 bit17 = (1 << 16);
+global const uint32 bit18 = (1 << 17);
+global const uint32 bit19 = (1 << 18);
+global const uint32 bit20 = (1 << 19);
+global const uint32 bit21 = (1 << 20);
+global const uint32 bit22 = (1 << 21);
+global const uint32 bit23 = (1 << 22);
+global const uint32 bit24 = (1 << 23);
+global const uint32 bit25 = (1 << 24);
+global const uint32 bit26 = (1 << 25);
+global const uint32 bit27 = (1 << 26);
+global const uint32 bit28 = (1 << 27);
+global const uint32 bit29 = (1 << 28);
+global const uint32 bit30 = (1 << 29);
+global const uint32 bit31 = (1 << 30);
+global const uint32 bit32 = (1 << 31);
+
+// =============================================================================
+// Safe Casts
+
+internal uint16 safe_cast_uint16(uint32 val);
+internal uint32 safe_cast_uint32(uint64 val);
+internal int32  safe_cast_int32(int64 val);
+
+// =============================================================================
+// Time functions
+
+internal uint64 now_time_us();
+internal void   sleep_ms(uint32 ms);

Juliet/core/core_arena.c

@@ -0,0 +1,193 @@
+// =============================================================================
+// Arena Functions
+
+#include "core/core.h"
+internal Arena* arena_alloc_internal(ArenaParams* params)
+{
+    uint64 committed = params->commit_size;
+    uint64 reserved  = params->reserve_size;
+
+    // Initial block
+    void* base = NULL;
+    if (params->flags & ArenaFlag_LargePages)
+    {
+        uint64 page_size = get_system_info()->large_page_size;
+        reserved         = AlignPow2(reserved, page_size);
+        committed        = AlignPow2(committed, page_size);
+
+        base = reserve_memory_large(reserved);
+        commit_memory_large(base, committed);
+    }
+    else
+    {
+        uint64 page_size = get_system_info()->page_size;
+        reserved         = AlignPow2(reserved, page_size);
+        committed        = AlignPow2(committed, page_size);
+
+        base = reserve_memory(reserved);
+        commit_memory(base, committed);
+    }
+
+    if (Unlikely(base == 0))
+    {
+        abort_self(1);
+    }
+
+    Arena* arena         = base;
+    arena->current       = arena;
+    arena->commit_size   = params->commit_size;
+    arena->reserve_size  = params->reserve_size;
+    arena->base_position = 0;
+    arena->position      = ARENA_HEADER_SIZE;
+    arena->committed     = committed;
+    arena->reserved      = reserved;
+
+#if BUILD_DEBUG
+    arena->alloc_file = params->alloc_file;
+    arena->alloc_line = params->alloc_line;
+    arena->name       = params->name;
+#endif
+
+    return arena;
+}
+
+internal void arena_release(Arena* arena)
+{
+    for (Arena *p = arena->current, *prev = 0; p != 0; p = prev)
+    {
+        prev = p->previous;
+        release_memory(p, p->reserved);
+    }
+}
+
+// =============================================================================
+// Arena Push/Pop core Functions
+
+internal void* arena_push(Arena* arena, uint64 size, uint64 align, bool32 zero)
+{
+    Arena* current  = arena->current;
+    uint64 pos_pre  = AlignPow2(current->position, align);
+    uint64 pos_post = pos_pre + size;
+
+    uint64 size_to_zero = 0;
+    if (zero)
+    {
+        size_to_zero = Min(current->committed, pos_post) - pos_pre;
+    }
+
+    if (current->reserved < pos_post && !(arena->flags & ArenaFlag_NoChain))
+    {
+        Arena* new_block = 0;
+        if (new_block == 0)
+        {
+            uint64 reserved_size  = arena->reserve_size;
+            uint64 committed_size = arena->commit_size;
+            if (size + ARENA_HEADER_SIZE > reserved_size)
+            {
+                reserved_size  = AlignPow2(size + ARENA_HEADER_SIZE, align);
+                committed_size = AlignPow2(size + ARENA_HEADER_SIZE, align);
+            }
+            new_block = arena_alloc(.reserve_size = reserved_size, .commit_size = committed_size, .flags = arena->flags,
+
+#if BUILD_DEBUG
+                                    .alloc_file = arena->alloc_file, .alloc_line = arena->alloc_line
+#endif
+            );
+            size_to_zero = 0;
+        }
+        else
+        {
+            size_to_zero = size;
+        }
+
+        new_block->base_position = current->base_position + current->reserved;
+        SLL_stack_push_next(arena->current, new_block, previous);
+
+        current  = new_block;
+        pos_pre  = AlignPow2(current->position, align);
+        pos_post = pos_pre + size;
+    }
+
+    // commit new pages if needed
+    if (current->committed < pos_post)
+    {
+        uint64 committed_past_aligned = pos_post + current->commit_size - 1;
+        committed_past_aligned -= committed_past_aligned % current->commit_size;
+        uint64 committed_past_clamped = ClampTop(committed_past_aligned, current->reserved);
+        uint64 committed_size         = committed_past_clamped - current->committed;
+        uint8* committed_ptr          = (uint8*)current + current->committed;
+        if (current->flags & ArenaFlag_LargePages)
+        {
+            commit_memory_large(committed_ptr, committed_size);
+        }
+        else
+        {
+            commit_memory(committed_ptr, committed_size);
+        }
+        current->committed = committed_past_clamped;
+    }
+
+    void* result = 0;
+    if (current->committed >= pos_post)
+    {
+        result            = (uint8*)current + pos_pre;
+        current->position = pos_post;
+        MemoryZero(result, size_to_zero);
+    }
+
+    if (Unlikely(result == 0))
+    {
+        abort_self(1);
+    }
+
+    return result;
+}
+
+internal uint64 arena_pos(Arena* arena)
+{
+    Arena* current  = arena->current;
+    uint64 position = current->base_position + current->position;
+    return position;
+}
+
+internal void arena_pop_to(Arena* arena, uint64 position)
+{
+    uint64 clamped_pos = ClampBottom(ARENA_HEADER_SIZE, position);
+    Arena* current     = arena->current;
+
+    for (Arena* previous = 0; current->base_position >= clamped_pos; current = previous)
+    {
+        previous = current->previous;
+        release_memory(current, current->reserved);
+    }
+    arena->current      = current;
+    uint64 new_position = clamped_pos - current->base_position;
+    AssertAlways(new_position <= current->position);
+    current->position = new_position;
+}
+
+internal void arena_clear(Arena* arena)
+{
+    arena_pop_to(arena, 0);
+}
+
+internal void arena_pop(Arena* arena, uint64 amount)
+{
+    uint64 pos_old = arena_pos(arena);
+    Assert(pos_old > amount);
+    uint64 pos_new = pos_old - amount;
+    arena_pop_to(arena, pos_new);
+}
+
+// Temp arena
+internal TempArena temp_begin(Arena* arena)
+{
+    uint64    position = arena_pos(arena);
+    TempArena temp     = { arena, position };
+    return temp;
+}
+
+internal void temp_end(TempArena temp)
+{
+    arena_pop_to(temp.arena, temp.position);
+}

Juliet/core/core_arena.h

@@ -0,0 +1,88 @@
+#pragma once
+
+#define ARENA_HEADER_SIZE 128
+
+// =============================================================================
+// Arena Types
+
+typedef uint64 ArenaFlags;
+enum
+{
+    ArenaFlag_NoChain    = (1 << 0),
+    ArenaFlag_LargePages = (1 << 1),
+};
+
+typedef struct ArenaParams ArenaParams;
+struct ArenaParams
+{
+    ArenaFlags flags;
+    uint64     commit_size;
+    uint64     reserve_size;
+    char*      alloc_file;
+    int        alloc_line;
+    char*      name;
+};
+
+typedef struct Arena Arena;
+struct Arena
+{
+    Arena*     previous;
+    Arena*     current;
+    ArenaFlags flags;
+    uint64     base_position;
+    uint64     position;
+    uint64     commit_size;
+    uint64     committed;
+    uint64     reserve_size;
+    uint64     reserved;
+
+#if BUILD_DEBUG
+    char* alloc_file;
+    int   alloc_line;
+    char* name;
+#endif
+};
+StaticAssert(sizeof(Arena) <= ARENA_HEADER_SIZE, arena_header_size_check);
+
+typedef struct TempArena TempArena;
+struct TempArena
+{
+    Arena* arena;
+    uint64 position;
+};
+
+// =============================================================================
+// Arena Functions
+
+global uint64 arena_default_reserve_size = MB(64);
+global uint64 arena_default_commit_size  = KB(64);
+
+internal Arena* arena_alloc_internal(ArenaParams* params);
+#define arena_alloc(...)                                                                                               \
+    arena_alloc_internal(&(ArenaParams){ .commit_size  = arena_default_commit_size,                                    \
+                                         .reserve_size = arena_default_reserve_size,                                   \
+                                         .alloc_file   = __FILE__,                                                     \
+                                         .alloc_line   = __LINE__,                                                     \
+                                         __VA_ARGS__ })
+internal void arena_release(Arena* arena);
+
+// Arena Push/Pop core Functions
+
+internal void*  arena_push(Arena* arena, uint64 size, uint64 align, bool32 zero);
+internal uint64 arena_pos(Arena* arena);
+internal void   arena_pop_to(Arena* arena, uint64 position);
+internal void   arena_clear(Arena* arena);
+internal void   arena_pop(Arena* arena, uint64 amount);
+
+// Temp arena
+internal TempArena temp_begin(Arena* arena);
+internal void      temp_end(TempArena temp);
+
+// =============================================================================
+// Push Helper Macros
+
+#define push_array_no_zero_aligned(arr, Type, count, align)                                                            \
+    (Type*)arena_push((arr), sizeof(Type) * (count), (align), (0))
+#define push_array_aligned(arr, Type, count, align) (Type*)arena_push((arr), sizeof(Type) * (count), (align), (1))
+#define push_array_no_zero(arr, Type, count) push_array_no_zero_aligned(arr, Type, count, Max(8, AlignOf(Type)))
+#define push_array(arr, Type, count) push_array_aligned(arr, Type, count, Max(8, AlignOf(Type)))

Juliet/core/core_defines.h

@@ -0,0 +1,98 @@
+#pragma once
+
+// ========================================================================== //
+// Compiler defines | Clang
+
+#if defined(__clang__)
+
+# define COMPILER_CLANG 1
+
+# if defined(_WIN32)
+#  define OS_WINDOWS 1
+# else
+#  error Compiler / OS combo is not supported
+# endif
+
+# if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)
+#  define ARCH_X64 1
+# else
+#  error Architecture not supported
+# endif
+
+#elif defined(_MSC_VER)
+
+# define COMPILER_MSVC 1
+
+# if defined(_WIN32)
+#  define OS_WINDOWS 1
+# else
+#  error Compiler / OS combo is not supported
+# endif
+
+# if defined(_M_AMD64)
+#  define ARCH_X64 1
+# else
+#  error Architecture not supported
+# endif
+
+#else
+# error Compiler not supported.
+#endif
+
+// ========================================================================== //
+// Architecture
+
+#if defined(ARCH_X64)
+# define ARCH_64BIT 1
+#endif
+
+// ========================================================================== //
+// Language
+
+#if defined(__cplusplus)
+# define LANG_CPP 1
+#else
+# define LANG_C 1
+#endif
+
+// ========================================================================== //
+// Build Options
+
+#if !defined(BUILD_DEBUG)
+# define BUILD_DEBUG 1
+#endif
+
+// ========================================================================== //
+// Zeroing unused Options
+
+#if !defined(ARCH_X64)
+# define ARCH_X64 0
+#endif
+
+#if !defined(ARCH_X86)
+# define ARCH_X86 0
+#endif
+
+#if !defined(COMPILER_CLANG)
+# define COMPILER_CLANG 0
+#endif
+
+#if !defined(COMPILER_MSVC)
+# define COMPILER_MSVC 0
+#endif
+
+#if !defined(OS_WINDOWS)
+# define OS_WINDOWS 0
+#endif
+
+#if !defined(LANG_CPP)
+# define LANG_CPP 0
+#endif
+
+#if !defined(LANG_C)
+# define LANG_C 0
+#endif
+
+#if !ARCH_X64
+# error Trying to build unsupported architecture. Only x64 is supported.
+#endif

Juliet/core/core_entry_point.c

@@ -0,0 +1,13 @@
+internal void entry_point();
+
+internal void main_thread_core_entry_point(int argc, char** argv)
+{
+    ThreadNameF("main_thread");
+    entry_point();
+}
+
+internal bool32 update()
+{
+    bool32 result = frame();
+    return result;
+}

Juliet/core/core_entry_point.h

@@ -0,0 +1,4 @@
+#pragma once
+
+internal void   main_thread_core_entry_point(int argc, char** argv);
+internal bool32 update();

Juliet/core/core_hash.c

@@ -0,0 +1,26 @@
+// =============================================================================
+// Hash Functions
+
+#pragma push_macro("__cpuid")
+#undef __cpuid
+#if !defined(XXH_IMPLEMENTATION)
+# define XXH_INLINE_ALL
+# define XXH_IMPLEMENTATION
+# define XXH_STATIC_LINKING_ONLY
+# include "external/xxHash/xxhash.h"
+#endif
+#pragma pop_macro("__cpuid")
+
+#define HASH_SEED 4259
+
+internal uint64 uint64_hash_from_string(String8 string)
+{
+    uint64 result = uint64_hash_from_seed_string(HASH_SEED, string);
+    return result;
+}
+
+internal uint64 uint64_hash_from_seed_string(uint64 seed, String8 string)
+{
+    uint64 result = XXH3_64bits_withSeed(string.str, string.size, seed);
+    return result;
+}

Juliet/core/core_hash.h

@@ -0,0 +1,7 @@
+#pragma once
+
+// =============================================================================
+// Hash Functions
+
+internal uint64 uint64_hash_from_string(String8 string);
+internal uint64 uint64_hash_from_seed_string(uint64 seed, String8 string);

Juliet/core/core_inc.c

@@ -0,0 +1,20 @@
+// clang-format off
+#include "core.c"
+#include "core_memory.c"
+#include "core_arena.c"
+#include "core_math.c"
+#include "core_string.c"
+#include "core_hash.c"
+#include "core_system.c"
+#include "core_threads.c"
+#include "core_thread_context.c"
+#include "core_processes.c"
+#include "core_markup.c"
+#include "core_entry_point.c"
+// clang-format on
+
+#if OS_WINDOWS
+# include "win32/core/win32_core.c"
+#elif
+# error Unsupported OS
+#endif

Juliet/core/core_inc.h

@@ -0,0 +1,24 @@
+#pragma once
+
+// clang-format off
+#include "core_defines.h"
+
+#include "core.h"
+#include "core_memory.h"
+#include "core_processes.h"
+#include "core_arena.h"
+#include "core_math.h"
+#include "core_string.h"
+#include "core_hash.h"
+#include "core_system.h"
+#include "core_threads.h"
+#include "core_thread_context.h"
+#include "core_markup.h"
+#include "core_entry_point.h"
+// clang-format on
+
+#if OS_WINDOWS
+# include "win32/core/win32_core.h"
+#elif
+# error Unsupported OS
+#endif

Juliet/core/core_markup.h

@@ -0,0 +1,3 @@
+#pragma once
+
+#define ThreadNameF(...) (set_thread_namef(__VA_ARGS__))

Juliet/core/core_math.c

@@ -0,0 +1,33 @@
+// =============================================================================
+// Functions
+
+// =============================================================================
+// Vectors
+
+internal Vector2f vector_2f(float32 x, float32 y)
+{
+    Vector2f v = { x, y };
+    return v;
+}
+
+// =============================================================================
+// Rectangles
+
+internal Rect2f rect_2f(Vector2f min, Vector2f max)
+{
+    Rect2f rect = { min, max };
+    return rect;
+}
+
+internal bool32 contains_2f(Rect2f rect, Vector2f x)
+{
+    bool32 cond = (rect.min.x <= x.x && x.x < rect.max.x && rect.min.y <= x.y && x.y < rect.max.y);
+    return cond;
+}
+
+internal Vector2f dimension_2f(Rect2f rect)
+{
+    Vector2f dim = { ((rect.max.x > rect.min.x) ? (rect.max.x - rect.min.x) : 0),
+                     ((rect.max.y > rect.min.y) ? (rect.max.y - rect.min.y) : 0) };
+    return dim;
+}

Juliet/core/core_math.h

@@ -0,0 +1,70 @@
+#pragma once
+
+// =============================================================================
+// Vector Types
+
+typedef union Vector2f Vector2f;
+union Vector2f
+{
+    struct
+    {
+        float32 x;
+        float32 y;
+    };
+    float32 v[2];
+};
+
+typedef union Vector2i Vector2i;
+union Vector2i
+{
+    struct
+    {
+        int32 x;
+        int32 y;
+    };
+    int32 v[2];
+};
+
+// =============================================================================
+// Rect Types
+
+typedef union Rect2f Rect2f;
+union Rect2f
+{
+    struct
+    {
+        Vector2f min;
+        Vector2f max;
+    };
+    struct
+    {
+        Vector2f p0;
+        Vector2f p1;
+    };
+    struct
+    {
+        float32 x0;
+        float32 y0;
+        float32 x1;
+        float32 y1;
+    };
+    Vector2f v[2];
+};
+
+// =============================================================================
+// Functions
+
+// =============================================================================
+// Vectors
+
+#define vector2f(x, y) vector_2f((x), (y))
+internal Vector2f vector_2f(float32 x, float32 y);
+
+// =============================================================================
+// Rectangles
+
+#define rect2f(min, max) rect_2f((min), (max))
+#define rect2fp(x, y, z, w) rect2f(vector2f((x), (y)), vector2f((z), (w)))
+internal Rect2f   rect_2f(Vector2f min, Vector2f max);
+internal bool32   contains_2f(Rect2f rect, Vector2f x);
+internal Vector2f dimension_2f(Rect2f rect);

Juliet/core/core_memory.c

@@ -0,0 +1 @@
+// OS DEPEND see os/core/os_core.c

Juliet/core/core_memory.h

@@ -0,0 +1,8 @@
+#pragma once
+
+internal void*  reserve_memory(uint64 size);
+internal bool32 commit_memory(void* ptr, uint64 size);
+internal void*  reserve_memory_large(uint64 size);
+internal bool32 commit_memory_large(void* ptr, uint64 size);
+internal void   decommit_memory(void* ptr, uint64 size);
+internal void   release_memory(void* ptr, uint64 size);

Juliet/core/core_processes.h

@@ -0,0 +1,6 @@
+#pragma once
+
+// =============================================================================
+// Aborting (os dependent see os/core/os_core.c)
+
+internal void abort_self(uint64 exit_code);

Juliet/core/core_string.c

@@ -0,0 +1,395 @@
+#ifndef MEM_STATIC
+# define MEM_STATIC
+# define MEM_API static inline
+# include "external/memfun/memfun.h"
+#endif
+
+// =============================================================================
+// String conversions
+
+internal bool32 char_is_upper(uint8 c)
+{
+    return ('A' <= c && c <= 'Z');
+}
+
+internal bool32 char_is_lower(uint8 c)
+{
+    return ('a' <= c && c <= 'z');
+}
+
+internal bool32 char_is_slash(uint8 c)
+{
+    return (c == '/' || c == '\\');
+}
+
+internal uint8 lower_from_char(uint8 c)
+{
+    if (char_is_upper(c))
+    {
+        c += ('a' - 'A');
+    }
+    return c;
+}
+
+internal uint8 upper_from_char(uint8 c)
+{
+    if (char_is_lower(c))
+    {
+        c += ('A' - 'a');
+    }
+    return c;
+}
+
+internal uint8 correct_slash_from_char(uint8 c)
+{
+    if (char_is_slash(c))
+    {
+        c = '/';
+    }
+    return c;
+}
+
+// ========================================================================== //
+// String Length
+
+internal uint64 cstring8_length(uint8* cstring)
+{
+    uint64 length = 0;
+    if (cstring)
+    {
+        uint8* p = cstring;
+        for (; *p != '\0'; ++p)
+            ;
+        length = (uint64)(p - cstring);
+    }
+    return length;
+}
+
+internal uint64 cstring16_length(uint16* cstring)
+{
+    uint64 length = 0;
+    if (cstring)
+    {
+        uint16* p = cstring;
+        for (; *p != '\0'; ++p)
+            ;
+        length = (uint64)(p - cstring);
+    }
+    return length;
+}
+
+internal uint64 cstring32_length(uint32* cstring)
+{
+    uint64 length = 0;
+    if (cstring)
+    {
+        uint32* p = cstring;
+        for (; *p != '\0'; ++p)
+            ;
+        length = (uint64)(p - cstring);
+    }
+    return length;
+}
+
+// ========================================================================== //
+// String Constructor
+
+internal String8 str8(uint8* str, uint64 size)
+{
+    String8 result = { str, size };
+    return result;
+}
+
+internal String8 str8_zero()
+{
+    String8 result = { 0 };
+    return result;
+}
+
+internal String16 str16(uint16* str, uint64 size)
+{
+    String16 result = { str, size };
+    return result;
+}
+
+internal String16 str16_zero()
+{
+    String16 result = { 0 };
+    return result;
+}
+
+internal String8 str8_cstring(const char* cstring)
+{
+    String8 result = { (uint8*)cstring, cstring8_length((uint8*)cstring) };
+    return result;
+}
+
+internal String16 str16_cstring(uint16* cstring)
+{
+    String16 result = { (uint16*)cstring, cstring16_length((uint16*)cstring) };
+    return result;
+}
+
+internal String32 str32_cstring(uint32* cstring)
+{
+    String32 result = { (uint32*)cstring, cstring32_length((uint32*)cstring) };
+    return result;
+}
+
+// =============================================================================
+// String Matching
+
+internal bool32 str8_match(String8 a, String8 b, StringMatchFlags flags)
+{
+    bool32 result = 0;
+    if (a.size == b.size && flags == 0)
+    {
+        result = MemIsEqual(a.str, b.str, b.size);
+    }
+    else if (a.size == b.size && flags == StringMatchFlag_CaseInsensitive)
+    {
+        result = MemCompareI(a.str, b.str, a.size) == 0;
+    }
+    else if (a.size == b.size || (flags * StringMatchFlag_RightSideSloppy))
+    {
+        bool32 case_insensitive  = (flags & StringMatchFlag_CaseInsensitive);
+        bool32 slash_insensitive = (flags & StringMatchFlag_SlashInsensitive);
+        uint64 size              = Min(a.size, b.size);
+        result                   = 1;
+        for EachIndex(i, size)
+        {
+            uint8 at = a.str[i];
+            uint8 bt = b.str[i];
+            if (case_insensitive)
+            {
+                at = upper_from_char(at);
+                bt = upper_from_char(bt);
+            }
+            if (slash_insensitive)
+            {
+                at = correct_slash_from_char(at);
+                bt = correct_slash_from_char(bt);
+            }
+            if (at != bt)
+            {
+                result = 0;
+                break;
+            }
+        }
+    }
+    return result;
+}
+
+// =============================================================================
+// String Formatting & Copying
+
+internal String8 str8_copy(Arena* arena, String8 in)
+{
+    String8 str;
+    str.size = in.size;
+    str.str  = push_array_no_zero(arena, uint8, str.size + 1);
+    MemoryCopy(str.str, in.str, in.size);
+    str.str[str.size] = '\0';
+    return str;
+}
+
+internal String8 str8fv(Arena* arena, char* fmt, va_list args)
+{
+    va_list args2;
+    va_copy(args2, args);
+    uint32  needed_bytes    = juliet_vsnprintf(0, 0, fmt, args) + 1;
+    String8 result          = { 0 };
+    result.str              = push_array_no_zero(arena, uint8, needed_bytes);
+    result.size             = juliet_vsnprintf((char*)result.str, needed_bytes, fmt, args2);
+    result.str[result.size] = '\0';
+    va_end(args2);
+    return result;
+}
+
+// =============================================================================
+// Unicode String Encode/Decode
+
+read_only global uint8 utf8_class[32] = {
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 3, 3, 4, 5,
+};
+
+internal UnicodeDecode utf8_decode(uint8* str, uint64 max)
+{
+    UnicodeDecode result     = { 1, max_uint32 };
+    uint8         byte       = str[0];
+    uint8         byte_class = utf8_class[byte >> 3];
+    switch (byte_class)
+    {
+    case 1:
+        {
+            result.codepoint = byte;
+            break;
+        }
+    case 2:
+        {
+            if (1 < max)
+            {
+                uint8 cont_byte = str[1];
+                if (utf8_class[cont_byte >> 3] == 0)
+                {
+                    result.codepoint = (byte & bitmask5) << 6;
+                    result.codepoint |= (cont_byte & bitmask6);
+                    result.increment = 2;
+                }
+            }
+            break;
+        }
+    case 3:
+        {
+            if (2 < max)
+            {
+                uint8 cont_byte[2] = { str[1], str[2] };
+                if (utf8_class[cont_byte[0] >> 3] == 0 && utf8_class[cont_byte[1] >> 3] == 0)
+                {
+                    result.codepoint = (byte & bitmask4) << 12;
+                    result.codepoint |= ((cont_byte[0] & bitmask6) << 6);
+                    result.codepoint |= (cont_byte[1] & bitmask6);
+                    result.increment = 3;
+                }
+            }
+            break;
+        }
+    case 4:
+        {
+            if (3 < max)
+            {
+                uint8 cont_byte[3] = { str[1], str[2], str[3] };
+                if (utf8_class[cont_byte[0] >> 3] == 0 && utf8_class[cont_byte[1] >> 3] == 0 && utf8_class[cont_byte[2] >> 3] == 0)
+                {
+                    result.codepoint = (byte & bitmask3) << 18;
+                    result.codepoint |= ((cont_byte[0] & bitmask6 << 12));
+                    result.codepoint |= ((cont_byte[1] & bitmask6) << 6);
+                    result.codepoint |= (cont_byte[2] & bitmask6);
+                    result.increment = 4;
+                }
+            }
+            break;
+        }
+    }
+    return result;
+}
+
+internal UnicodeDecode utf16_decode(uint16* str, uint64 max)
+{
+    UnicodeDecode result = { 1, max_uint32 };
+    result.codepoint     = str[0];
+    result.increment     = 1;
+    if (max > 1 && 0xD800 <= str[0] && str[0] < 0xDC00 && 0xDC00 <= str[1] && str[1] < 0xE000)
+    {
+        result.codepoint = ((str[0] - 0xD800) << 10) | ((str[1] - 0xDC00) + 0x10000);
+        result.increment = 2;
+    }
+    return result;
+}
+
+internal uint32 utf8_encode(uint8* str, uint32 codepoint)
+{
+    uint32 increment = 0;
+    if (codepoint <= 0x7f)
+    {
+        str[0]    = (uint8)codepoint;
+        increment = 1;
+    }
+    else if (codepoint <= 0x7FF)
+    {
+        str[0]    = (bitmask2 << 6) | ((codepoint >> 6) & bitmask5);
+        str[1]    = bit8 | (codepoint & bitmask6);
+        increment = 2;
+    }
+    else if (codepoint <= 0xFFFF)
+    {
+        str[0]    = (bitmask3 << 5) | ((codepoint >> 12) & bitmask4);
+        str[1]    = bit8 | ((codepoint >> 6) & bitmask6);
+        str[2]    = bit8 | (codepoint & bitmask6);
+        increment = 3;
+    }
+    else if (codepoint <= 0x10FFFF)
+    {
+        str[0]    = (bitmask4 << 4) | ((codepoint >> 18) & bitmask3);
+        str[1]    = bit8 | ((codepoint >> 12) & bitmask6);
+        str[2]    = bit8 | (codepoint >> 6 & bitmask6);
+        str[3]    = bit8 | (codepoint & bitmask6);
+        increment = 4;
+    }
+    else
+    {
+        str[0]    = '?';
+        increment = 1;
+    }
+    return increment;
+}
+
+internal uint32 utf16_encode(uint16* str, uint32 codepoint)
+{
+    uint32 increment = 1;
+    if (codepoint == max_uint32)
+    {
+        str[0] = (uint16)'?';
+    }
+    else if (codepoint < 0x10000)
+    {
+        str[0] = (uint16)codepoint;
+    }
+    else
+    {
+        uint32 v  = codepoint - 0x10000;
+        str[0]    = safe_cast_uint16(0xD800 + (v >> 10));
+        str[1]    = safe_cast_uint16(0xDC00 + (v & bitmask10));
+        increment = 2;
+    }
+    return increment;
+}
+
+// =============================================================================
+// Unicode String Conversions
+
+internal String8 str8_from_16(Arena* arena, String16 in)
+{
+    String8 result = str8_zero();
+    if (in.size)
+    {
+        uint64        capacity = in.size * 3;
+        uint8*        str      = push_array_no_zero(arena, uint8, capacity + 1);
+        uint16*       ptr      = in.str;
+        uint16*       opl      = ptr + in.size;
+        uint64        size     = 0;
+        UnicodeDecode consume;
+        for (; ptr < opl; ptr += consume.increment)
+        {
+            consume = utf16_decode(ptr, opl - ptr);
+            size += utf8_encode(str + size, consume.codepoint);
+        }
+        str[size] = '\0';
+        arena_pop(arena, (capacity - size));
+        result = str8(str, size);
+    }
+    return result;
+}
+
+internal String16 str16_from_8(Arena* arena, String8 in)
+{
+    String16 result = str16_zero();
+    if (in.size)
+    {
+        uint64        capacity = in.size * 2;
+        uint16*       str      = push_array_no_zero(arena, uint16, capacity + 1);
+        uint8*        ptr      = in.str;
+        uint8*        opl      = ptr + in.size;
+        uint64        size     = 0;
+        UnicodeDecode consume;
+        for (; ptr < opl; ptr += consume.increment)
+        {
+            consume = utf8_decode(ptr, opl - ptr);
+            size += utf16_encode(str + size, consume.codepoint);
+        }
+        str[size] = '\0';
+        arena_pop(arena, (capacity - size) * 2);
+        result = str16(str, size);
+    }
+    return result;
+}

Juliet/core/core_string.h

@@ -0,0 +1,104 @@
+#pragma once
+
+// =============================================================================
+// String Types
+
+typedef struct String8 String8;
+struct String8
+{
+    uint8* str;
+    uint64 size;
+};
+
+typedef struct String16 String16;
+struct String16
+{
+    uint16* str;
+    uint64  size;
+};
+
+typedef struct String32 String32;
+struct String32
+{
+    uint32* str;
+    uint64  size;
+};
+
+// =============================================================================
+// String Matching Types
+
+typedef uint32 StringMatchFlags;
+enum
+{
+    StringMatchFlag_CaseInsensitive  = (1 << 0),
+    StringMatchFlag_RightSideSloppy  = (1 << 1),
+    StringMatchFlag_SlashInsensitive = (1 << 2),
+};
+
+// =============================================================================
+// Unicode decoding Types
+
+typedef struct UnicodeDecode UnicodeDecode;
+struct UnicodeDecode
+{
+    uint32 increment;
+    uint32 codepoint;
+};
+
+// =============================================================================
+// String conversions
+
+internal bool32 char_is_upper(uint8 c);
+internal bool32 char_is_lower(uint8 c);
+internal bool32 char_is_slash(uint8 c);
+internal uint8  lower_from_char(uint8 c);
+internal uint8  upper_from_char(uint8 c);
+internal uint8  correct_slash_from_char(uint8 c);
+
+// =============================================================================
+// String Length
+
+internal uint64 cstring8_length(uint8* cstring);
+internal uint64 cstring16_length(uint16* cstring);
+internal uint64 cstring32_length(uint32* cstring);
+
+// =============================================================================
+// String Constructor
+
+#define str8_literal(S) str8((uint8*)(S), sizeof(S) - 1)
+
+#define str8_struct(S) str8((uint8*)(S), sizeof(*(S)))
+
+internal String8  str8(uint8* str, uint64 size);
+internal String8  str8_zero();
+internal String16 str16(uint16* str, uint64 size);
+internal String16 str16_zero();
+internal String8  str8_cstring(const char* cstring);
+internal String16 str16_cstring(uint16* cstring);
+internal String32 str32_cstring(uint32* cstring);
+
+// =============================================================================
+// String Matching
+
+internal bool32 str8_match(String8 a, String8 b, StringMatchFlags flags);
+#define str8_matchi(a, b) str8_match(a, b, StringMatchFlag_CaseInsensitive)
+
+// =============================================================================
+// String Formatting & Copying
+
+internal String8 str8_copy(Arena* arena, String8 in);
+internal String8 str8fv(Arena* arena, char* fmt, va_list args);
+
+// =============================================================================
+// Unicode String Encode/Decode
+
+internal UnicodeDecode utf8_decode(uint8* str, uint64 max);
+internal UnicodeDecode utf16_decode(uint16* str, uint64 max);
+internal uint32        utf8_encode(uint8* str, uint32 codepoint);
+internal uint32        utf16_encode(uint16* str, uint32 codepoint);
+
+// =============================================================================
+// Unicode String Conversions
+
+internal String8  str8_from_16(Arena* arena, String16 in);
+internal String16 str16_from_8(Arena* arena, String8 in);

Juliet/core/core_system.c

@@ -0,0 +1 @@
+// OS DEPEND see os/core/os_core.c

Juliet/core/core_system.h

@@ -0,0 +1,11 @@
+#pragma once
+
+typedef struct SystemInfo SystemInfo;
+struct SystemInfo
+{
+    uint64  page_size;
+    uint64  large_page_size;
+    String8 machine_name;
+};
+
+internal SystemInfo* get_system_info();

Juliet/core/core_thread_context.c

@@ -0,0 +1,71 @@
+// =============================================================================
+// Globals
+
+thread_static TCTX* tctx_thread_local;
+
+// =============================================================================
+// Thread Context Functions
+
+// Thread Context allocation
+internal TCTX* tctx_alloc()
+{
+#if BUILD_DEBUG
+    thread_static static char name[2][1024];
+    juliet_snprintf(name[0], sizeof(name[0]), "Scratch/0[TID:%u]", tid());
+    juliet_snprintf(name[1], sizeof(name[1]), "Scratch/1[TID:%u]", tid());
+    Arena* arena_0 = arena_alloc(.name = name[0]);
+    Arena* arena_1 = arena_alloc(.name = name[1]);
+#else
+    Arena* arena_0 = arena_alloc();
+    Arena* arena_1 = arena_alloc();
+#endif
+    TCTX* tctx      = push_array(arena_0, TCTX, 1);
+    tctx->arenas[0] = arena_0;
+    tctx->arenas[1] = arena_1;
+    return tctx;
+}
+
+internal void tctx_release(TCTX* tctx)
+{
+    arena_release(tctx->arenas[1]);
+    arena_release(tctx->arenas[0]);
+}
+
+internal void tctx_select(TCTX* tctx)
+{
+    tctx_thread_local = tctx;
+}
+
+internal TCTX* tctx_selected()
+{
+    return tctx_thread_local;
+}
+
+internal Arena* tctx_get_scratch(Arena** conflicts, uint64 count)
+{
+    TCTX*   tctx      = tctx_selected();
+    Arena*  result    = 0;
+    Arena** arena_ptr = tctx->arenas;
+    for (uint64 i = 0; i < ArrayCount(tctx->arenas); ++i, ++arena_ptr)
+    {
+        Arena** conflict_ptr = conflicts;
+        bool32  has_conflict = 0;
+        for (uint64 j = 0; j < count; ++j, ++conflict_ptr)
+        {
+            if (*arena_ptr == *conflict_ptr)
+            {
+                has_conflict = 1;
+                break;
+            }
+        }
+        if (!has_conflict)
+        {
+            result = *arena_ptr;
+            break;
+        }
+    }
+    return result;
+}
+
+#define scratch_begin(conflicts, count) temp_begin(tctx_get_scratch((conflicts), (count)))
+#define scratch_end(scratch) temp_end(scratch)

Juliet/core/core_thread_context.h

@@ -0,0 +1,29 @@
+#pragma once
+
+typedef struct TCTX TCTX;
+struct TCTX
+{
+    // Scratch arenas
+    Arena* arenas[2];
+
+    uint8  thread_name[32];
+    uint64 thread_name_size;
+
+    char*  file_name;
+    uint64 line_number;
+};
+
+extern thread_static TCTX* tctx_thread_local;
+
+// =============================================================================
+// Thread Context Functions
+
+// Thread Context allocation
+internal TCTX* tctx_alloc();
+internal void  tctx_release(TCTX* tctx);
+internal void  tctx_select(TCTX* tctx);
+internal TCTX* tctx_selected();
+
+internal Arena* tctx_get_scratch(Arena** conflicts, uint64 count);
+#define scratch_begin(conflicts, count) temp_begin(tctx_get_scratch((conflicts), (count)))
+#define scratch_end(scratch) temp_end(scratch)

Juliet/core/core_threads.c

@@ -0,0 +1,18 @@
+
+// =============================================================================
+//  Thread Info Helpers
+internal void set_thread_name(String8 name)
+{
+    set_platform_thread_name(name);
+}
+
+internal void set_thread_namef(char* fmt, ...)
+{
+    TempArena scratch = scratch_begin(0, 0);
+    va_list   args;
+    va_start(args, fmt);
+    String8 string = str8fv(scratch.arena, fmt, args);
+    set_thread_name(string);
+    va_end(args);
+    scratch_end(scratch);
+}

Juliet/core/core_threads.h

@@ -0,0 +1,39 @@
+#pragma once
+
+// =============================================================================
+// Synchronization primitives types
+
+typedef struct RWMutex RWMutex;
+struct RWMutex
+{
+    uint64 handle[1];
+};
+
+// =============================================================================
+//  Thread Info Helpers
+internal void set_thread_name(String8 name);
+internal void set_thread_namef(char* fmt, ...);
+
+// =============================================================================
+//  Thread Info
+
+internal uint32 tid();
+internal void   set_platform_thread_name(String8 name);
+
+// =============================================================================
+// Synchronization primitive functions
+
+// Read Write Mutexes functions
+
+internal RWMutex rw_mutex_alloc();
+internal void    rw_mutex_release(RWMutex mutex);
+internal void    rw_mutex_take(RWMutex mutex, bool32 write_mode);
+internal void    rw_mutex_drop(RWMutex mutex, bool32 write_mode);
+#define rw_mutex_take_r(m) rw_mutex_take((m), (0))
+#define rw_mutex_take_w(m) rw_mutex_take((m), (1))
+#define rw_mutex_drop_r(m) rw_mutex_drop((m), (0))
+#define rw_mutex_drop_w(m) rw_mutex_drop((m), (1))
+
+// Scope macros
+#define MutexScopeR(mutex) DeferLoop(rw_mutex_take_r(mutex), rw_mutex_drop_r(mutex))
+#define MutexScopeW(mutex) DeferLoop(rw_mutex_take_w(mutex), rw_mutex_drop_w(mutex))

Juliet/include/Core/Application/ApplicationManager.h

@@ -1,9 +0,0 @@
-#pragma once
-
-#include <Core/Application/IApplication.h>
-#include <Juliet.h>
-
-enum class JulietInit_Flags : uint8;
-
-struct Arena;
-extern JULIET_API void StartApplication(IApplication& app, JulietInit_Flags flags);

Juliet/include/Core/Application/IApplication.h

@@ -1,29 +0,0 @@
-#pragma once
-
-#include <Core/Common/NonNullPtr.h>
-
-struct Camera;
-struct RenderPass;
-struct CommandList;
-struct Texture;
-struct ColorTargetInfo;
-struct DepthStencilTargetInfo;
-struct Arena;
-
-class IApplication
-{
-  public:
-    virtual ~IApplication()                    = default;
-    virtual void Init(NonNullPtr<Arena> arena) = 0;
-    virtual void Shutdown()                    = 0;
-    virtual void Update(float deltaTime)       = 0;
-    virtual bool IsRunning()                   = 0;
-
-    // Accessors for Engine Systems
-    virtual struct Window*         GetPlatformWindow() = 0;
-    virtual struct GraphicsDevice* GetGraphicsDevice() = 0;
-
-    // Render Lifecycle (Engine-Managed Render Loop)
-    virtual ColorTargetInfo         GetColorTargetInfo(Texture* swapchainTexture) = 0;
-    virtual DepthStencilTargetInfo* GetDepthTargetInfo()                          = 0;
-};

Juliet/include/Core/Common/CRC32.h

@@ -1,62 +1,60 @@
-#pragma once
+#pragma once
+
 #include <Core/Common/CoreUtils.h>
 #include <Core/Common/String.h>
 
 // From https://web.mit.edu/freebsd/head/sys/libkern/crc32.c
 
-namespace details
+global const uint32 g_crc32_tab[256] = {
-{
+    0x00000000u, 0x77073096u, 0xee0e612cu, 0x990951bau, 0x076dc419u, 0x706af48fu, 0xe963a535u, 0x9e6495a3u, 0x0edb8832u,
-    constexpr uint32_t crc32_tab[] = {
+    0x79dcb8a4u, 0xe0d5e91eu, 0x97d2d988u, 0x09b64c2bu, 0x7eb17cbdu, 0xe7b82d07u, 0x90bf1d91u, 0x1db71064u, 0x6ab020f2u,
-        0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832,
+    0xf3b97148u, 0x84be41deu, 0x1adad47du, 0x6ddde4ebu, 0xf4d4b551u, 0x83d385c7u, 0x136c9856u, 0x646ba8c0u, 0xfd62f97au,
-        0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+    0x8a65c9ecu, 0x14015c4fu, 0x63066cd9u, 0xfa0f3d63u, 0x8d080df5u, 0x3b6e20c8u, 0x4c69105eu, 0xd56041e4u, 0xa2677172u,
-        0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a,
+    0x3c03e4d1u, 0x4b04d447u, 0xd20d85fdu, 0xa50ab56bu, 0x35b5a8fau, 0x42b2986cu, 0xdbbbc9d6u, 0xacbcf940u, 0x32d86ce3u,
-        0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+    0x45df5c75u, 0xdcd60dcfu, 0xabd13d59u, 0x26d930acu, 0x51de003au, 0xc8d75180u, 0xbfd06116u, 0x21b4f4b5u, 0x56b3c423u,
-        0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
+    0xcfba9599u, 0xb8bda50fu, 0x2802b89eu, 0x5f058808u, 0xc60cd9b2u, 0xb10be924u, 0x2f6f7c87u, 0x58684c11u, 0xc1611dabu,
-        0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+    0xb6662d3du, 0x76dc4190u, 0x01db7106u, 0x98d220bcu, 0xefd5102au, 0x71b18589u, 0x06b6b51fu, 0x9fbfe4a5u, 0xe8b8d433u,
-        0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab,
+    0x7807c9a2u, 0x0f00f934u, 0x9609a88eu, 0xe10e9818u, 0x7f6a0dbbu, 0x086d3d2du, 0x91646c97u, 0xe6635c01u, 0x6b6b51f4u,
-        0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+    0x1c6c6162u, 0x856530d8u, 0xf262004eu, 0x6c0695edu, 0x1b01a57bu, 0x8208f4c1u, 0xf50fc457u, 0x65b0d9c6u, 0x12b7e950u,
-        0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4,
+    0x8bbeb8eau, 0xfcb9887cu, 0x62dd1ddfu, 0x15da2d49u, 0x8cd37cf3u, 0xfbd44c65u, 0x4db26158u, 0x3ab551ceu, 0xa3bc0074u,
-        0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+    0xd4bb30e2u, 0x4adfa541u, 0x3dd895d7u, 0xa4d1c46du, 0xd3d6f4fbu, 0x4369e96au, 0x346ed9fcu, 0xad678846u, 0xda60b8d0u,
-        0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074,
+    0x44042d73u, 0x33031de5u, 0xaa0a4c5fu, 0xdd0d7cc9u, 0x5005713cu, 0x270241aau, 0xbe0b1010u, 0xc90c2086u, 0x5768b525u,
-        0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+    0x206f85b3u, 0xb966d409u, 0xce61e49fu, 0x5edef90eu, 0x29d9c998u, 0xb0d09822u, 0xc7d7a8b4u, 0x59b33d17u, 0x2eb40d81u,
-        0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525,
+    0xb7bd5c3bu, 0xc0ba6cadu, 0xedb88320u, 0x9abfb3b6u, 0x03b6e20cu, 0x74b1d29au, 0xead54739u, 0x9dd277afu, 0x04db2615u,
-        0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+    0x73dc1683u, 0xe3630b12u, 0x94643b84u, 0x0d6d6a3eu, 0x7a6a5aa8u, 0xe40ecf0bu, 0x9309ff9du, 0x0a00ae27u, 0x7d079eb1u,
-        0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
+    0xf00f9344u, 0x8708a3d2u, 0x1e01f268u, 0x6906c2feu, 0xf762575du, 0x806567cbu, 0x196c3671u, 0x6e6b06e7u, 0xfed41b76u,
-        0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+    0x89d32be0u, 0x10da7a5au, 0x67dd4accu, 0xf9b9df6fu, 0x8ebeeff9u, 0x17b7be43u, 0x60b08ed5u, 0xd6d6a3e8u, 0xa1d1937eu,
-        0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76,
+    0x38d8c2c4u, 0x4fdff252u, 0xd1bb67f1u, 0xa6bc5767u, 0x3fb506ddu, 0x48b2364bu, 0xd80d2bdau, 0xaf0a1b4cu, 0x36034af6u,
-        0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+    0x41047a60u, 0xdf60efc3u, 0xa867df55u, 0x316e8eefu, 0x4669be79u, 0xcb61b38cu, 0xbc66831au, 0x256fd2a0u, 0x5268e236u,
-        0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6,
+    0xcc0c7795u, 0xbb0b4703u, 0x220216b9u, 0x5505262fu, 0xc5ba3bbeu, 0xb2bd0b28u, 0x2bb45a92u, 0x5cb36a04u, 0xc2d7ffa7u,
-        0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+    0xb5d0cf31u, 0x2cd99e8bu, 0x5bdeae1du, 0x9b64c2b0u, 0xec63f226u, 0x756aa39cu, 0x026d930au, 0x9c0906a9u, 0xeb0e363fu,
-        0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7,
+    0x72076785u, 0x05005713u, 0x95bf4a82u, 0xe2b87a14u, 0x7bb12baeu, 0x0cb61b38u, 0x92d28e9bu, 0xe5d5be0du, 0x7cdcefb7u,
-        0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+    0x0bdbdf21u, 0x86d3d2d4u, 0xf1d4e242u, 0x68ddb3f8u, 0x1fda836eu, 0x81be16cdu, 0xf6b9265bu, 0x6fb077e1u, 0x18b74777u,
-        0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7,
+    0x88085ae6u, 0xff0f6a70u, 0x66063bcau, 0x11010b5cu, 0x8f659effu, 0xf862ae69u, 0x616bffd3u, 0x166ccf45u, 0xa00ae278u,
-        0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+    0xd70dd2eeu, 0x4e048354u, 0x3903b3c2u, 0xa7672661u, 0xd06016f7u, 0x4969474du, 0x3e6e77dbu, 0xaed16a4au, 0xd9d65adcu,
-        0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
+    0x40df0b66u, 0x37d83bf0u, 0xa9bcae53u, 0xdebb9ec5u, 0x47b2cf7fu, 0x30b5ffe9u, 0xbdbdf21cu, 0xcabac28au, 0x53b39330u,
-        0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+    0x24b4a3a6u, 0xbad03605u, 0xcdd70693u, 0x54de5729u, 0x23d967bfu, 0xb3667a2eu, 0xc4614ab8u, 0x5d681b02u, 0x2a6f2b94u,
-        0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330,
+    0xb40bbe37u, 0xc30c8ea1u, 0x5a05df1bu, 0x2d02ef8du
-        0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+};
-        0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
-    };
-}
 
-constexpr uint32 crc32(const char* str, size_t length)
+static inline uint32 crc32_bytes(const char* str, size_t length)
 {
-    Assert(str && length > 0);
+    Assert(str != NULL && length > 0);
     const char* p   = str;
-    uint32_t    crc = ~0U;
+    uint32      crc = ~0U;
     while (length--)
     {
-        crc = details::crc32_tab[(crc ^ static_cast<uint8>(*p++)) & 0xFF] ^ (crc >> 8);
+        crc = g_crc32_tab[(crc ^ (uint8)(*p++)) & 0xFFu] ^ (crc >> 8);
     }
     return crc ^ ~0U;
 }
 
-constexpr uint32 crc32(String str)
+static inline uint32 crc32_str(String str)
 {
-    return crc32(str.Str, str.Size);
+    return crc32_bytes(str.Str, str.Size);
 }
 
-consteval uint32 operator""_crc32(const char* str, size_t length)
+static inline uint32 crc32_cstr(const char* str)
 {
-    return crc32(str, length);
+    return crc32_bytes(str, StringLengthCStr(str));
 }

Juliet/include/Core/Common/CoreTypes.h

@@ -1,65 +1,68 @@
 #pragma once
 
-using uint8  = uint8_t;
+#include <limits.h>
-using uint16 = uint16_t;
+#include <stddef.h>
-using uint32 = uint32_t;
+#include <stdint.h>
-using uint64 = uint64_t;
 
-using int8  = int8_t;
+typedef uint8_t  uint8;
-using int16 = int16_t;
+typedef uint16_t uint16;
-using int32 = int32_t;
+typedef uint32_t uint32;
-using int64 = int64_t;
+typedef uint64_t uint64;
 
-using Byte = std::byte;
+typedef int8_t  int8;
+typedef int16_t int16;
+typedef int32_t int32;
+typedef int64_t int64;
 
-using size_t  = std::size_t;
+typedef uint8  bool8;
-using index_t = size_t;
+typedef uint16 bool16;
+typedef uint32 bool32;
+typedef uint64 bool64;
 
+#ifndef __cplusplus
+#ifndef true
+#define true 1
+#endif
+#ifndef false
+#define false 0
+#endif
+#endif
+
+typedef uint8  Byte;
+typedef size_t index_t;
+
+typedef struct ByteBuffer ByteBuffer;
 struct ByteBuffer
 {
     Byte*  Data;
     size_t Size;
 };
 
-using ptrdiff_t = decltype(static_cast<int*>(nullptr) - static_cast<int*>(nullptr));
+typedef void (*FunctionPtr)(void);
 
-using FunctionPtr = auto (*)(void) -> void;
+#define uint8Max  ((uint8)0xFFu)
+#define uint16Max ((uint16)0xFFFFu)
+#define uint32Max ((uint32)0xFFFFFFFFu)
+#define uint64Max ((uint64)0xFFFFFFFFFFFFFFFFull)
 
-// Limits
+#define int8Max  ((int8)0x7F)
-template <typename Type>
+#define int16Max ((int16)0x7FFF)
-consteval Type MaxValueOf()
+#define int32Max ((int32)0x7FFFFFFF)
-{
+#define int64Max ((int64)0x7FFFFFFFFFFFFFFFll)
-    return std::numeric_limits<Type>::max();
-}
-constexpr uint8  uint8Max  = MaxValueOf<uint8>();
-constexpr uint16 uint16Max = MaxValueOf<uint16>();
-constexpr uint32 uint32Max = MaxValueOf<uint32>();
-constexpr uint64 uint64Max = MaxValueOf<uint64>();
 
-constexpr int8  int8Max  = MaxValueOf<int8>();
+#define indexMax ((index_t)SIZE_MAX)
-constexpr int16 int16Max = MaxValueOf<int16>();
-constexpr int32 int32Max = MaxValueOf<int32>();
-constexpr int64 int64Max = MaxValueOf<int64>();
 
-constexpr index_t indexMax = MaxValueOf<index_t>();
+#define uint8Min  ((uint8)0u)
+#define uint16Min ((uint16)0u)
+#define uint32Min ((uint32)0u)
+#define uint64Min ((uint64)0ull)
 
-template <typename Type>
+#define int8Min  ((int8)(-128))
-consteval Type MinValueOf()
+#define int16Min ((int16)(-32768))
-{
+#define int32Min ((int32)(-2147483647 - 1))
-    return std::numeric_limits<Type>::lowest();
+#define int64Min ((int64)(-9223372036854775807ll - 1ll))
-}
 
-constexpr uint8  uint8Min  = MinValueOf<uint8>();
+#define indexMin ((index_t)0u)
-constexpr uint16 uint16Min = MinValueOf<uint16>();
-constexpr uint32 uint32Min = MinValueOf<uint32>();
-constexpr uint64 uint64Min = MinValueOf<uint64>();
 
-constexpr int8  int8Min  = MinValueOf<int8>();
+#define Kilobytes(value) ((uint64)(value) * 1024ull)
-constexpr int16 int16Min = MinValueOf<int16>();
+#define Megabytes(value) (Kilobytes(value) * 1024ull)
-constexpr int32 int32Min = MinValueOf<int32>();
-constexpr int64 int64Min = MinValueOf<int64>();
-
-constexpr index_t indexMin = MinValueOf<index_t>();
-
-#define Kilobytes(value) value * 1024
-#define Megabytes(value) Kilobytes(value) * 1024

Juliet/include/Core/Common/CoreUtils.h

@@ -1,22 +1,27 @@
-#pragma once
+#pragma once
 
 #include <Juliet.h>
+#include <Core/Common/CoreTypes.h>
 
-#define global static
+#define global   static
 #define internal static
 
+#define Glue_(A, B) A##B
+#define Glue(A, B)  Glue_(A, B)
+#define StaticAssert(C, ID) global uint8 Glue(ID, __LINE__)[(C) ? 1 : -1]
+
 // 1. Stringify helpers
-#define JULIET_STR(x) #x
+#define JULIET_STR(x)      #x
 #define JULIET_TOSTRING(x) JULIET_STR(x)
 
 // 2. Define the pragma operator based on compiler
 #if defined(__clang__) || defined(__GNUC__)
-#define JULIET_PRAGMA(x) _Pragma(#x)
+#define JULIET_PRAGMA(x)           _Pragma(#x)
 #define JULIET_SUPPRESS_MSVC(id)
 #define JULIET_SUPPRESS_CLANG(str) JULIET_PRAGMA(clang diagnostic ignored str)
 #elif defined(_MSC_VER)
-#define JULIET_PRAGMA(x) __pragma(x)
+#define JULIET_PRAGMA(x)           __pragma(x)
-#define JULIET_SUPPRESS_MSVC(id) JULIET_PRAGMA(warning(disable : id))
+#define JULIET_SUPPRESS_MSVC(id)   JULIET_PRAGMA(warning(disable : id))
 #define JULIET_SUPPRESS_CLANG(str)
 #else
 #define JULIET_PRAGMA(x)
@@ -27,20 +32,18 @@
 // 3. The Agnostic "Push/Pop"
 #if defined(__clang__)
 #define JULIET_WARNING_PUSH JULIET_PRAGMA(clang diagnostic push)
-#define JULIET_WARNING_POP JULIET_PRAGMA(clang diagnostic pop)
+#define JULIET_WARNING_POP  JULIET_PRAGMA(clang diagnostic pop)
 #elif defined(_MSC_VER)
 #define JULIET_WARNING_PUSH JULIET_PRAGMA(warning(push))
-#define JULIET_WARNING_POP JULIET_PRAGMA(warning(pop))
+#define JULIET_WARNING_POP  JULIET_PRAGMA(warning(pop))
 #else
 #define JULIET_WARNING_PUSH
 #define JULIET_WARNING_POP
 #endif
 
 #if defined(_MSC_VER)
-// MSVC specific intrinsic
 #define JULIET_PLATFORM_BREAK() (__nop(), __debugbreak())
 #elif defined(__clang__) || defined(__GNUC__)
-// Clang/GCC specific intrinsic
 #define JULIET_PLATFORM_BREAK() __builtin_trap()
 #else
 #include <signal.h>
@@ -49,18 +52,14 @@
 
 #if JULIET_DEBUG
 #define JULIET_ASSERT_INTERNAL(expression, message)                                                                    \
-    JULIET_WARNING_PUSH                                                                                                \
+    do                                                                                                                 \
-    JULIET_SUPPRESS_CLANG("-Wextra-semi-stmt")                                                                         \
-    JULIET_SUPPRESS_MSVC(4127)                                                                                         \
-    JULIET_SUPPRESS_MSVC(4548)                                                                                         \
     {                                                                                                                  \
-        if (!(expression)) [[unlikely]]                                                                                \
+        if (!(expression))                                                                                             \
         {                                                                                                              \
-            JulietAssert(#expression, message);                                                                        \
+            JulietAssert(#expression, message, __FILE__, __func__, (uint32)__LINE__, 0);                               \
         }                                                                                                              \
     }                                                                                                                  \
-    JULIET_WARNING_POP                                                                                                 \
+    while (0)
-    static_assert(true, "")
 
 #define AssertHR(hr_expression, message)                                                                               \
     do                                                                                                                 \
@@ -68,7 +67,7 @@
         long hr_val = (hr_expression);                                                                                 \
         if (hr_val < 0)                                                                                                \
         {                                                                                                              \
-            JulietAssert(#hr_expression, message, std::source_location::current(), hr_val);                            \
+            JulietAssert(#hr_expression, message, __FILE__, __func__, (uint32)__LINE__, hr_val);                       \
         }                                                                                                              \
     }                                                                                                                  \
     while (0)
@@ -80,95 +79,70 @@
 #define Unimplemented()                                                                                                \
     do                                                                                                                 \
     {                                                                                                                  \
-        JulietAssert("UNIMPLEMENTED", "This code path is not yet functional.");                                        \
+        JulietAssert("UNIMPLEMENTED", "This code path is not yet functional.", __FILE__, __func__, (uint32)__LINE__, 0); \
     }                                                                                                                  \
     while (0)
 
 #else
-#define Assert(...) ((void)0)
+#define Assert(...)                      ((void)0)
 #define AssertHR(hr_expression, message) ((void)(hr_expression))
-#define Unimplemented() ((void)0)
+#define Unimplemented()                  ((void)0)
 #endif
 
-JULIET_API extern void JulietAssert(const char* expression, const char* message,
+JULIET_API extern void JulietAssert(const char* expression, const char* message, const char* file, const char* function,
-                                    std::source_location location = std::source_location::current(), long handleResult = 0);
+                                    uint32 line, long handle_result);
 
-#define ZeroStruct(structInstance) ZeroSize(sizeof(structInstance), &(structInstance))
+#define ZeroStruct(structInstance)   ZeroSize(sizeof(structInstance), &(structInstance))
-#define ZeroArray(array) ZeroSize(sizeof((array)), (array))
+#define ZeroArray(array)             ZeroSize(sizeof((array)), (array))
-#define ZeroDynArray(Count, Pointer) ZeroSize((Count) * sizeof((Pointer)[0]), Pointer)
+#define ZeroDynArray(Count, Pointer) ZeroSize((Count) * sizeof((Pointer)[0]), (Pointer))
-inline void ZeroSize(size_t size, void* ptr)
+
+static inline void ZeroSize(size_t size, void* ptr)
 {
-    auto Byte = (uint8*)ptr;
+    uint8* byte_ptr = (uint8*)ptr;
     while (size--)
     {
-        *Byte++ = 0;
+        *byte_ptr++ = 0;
     }
 }
 
 #define Restrict __restrict
 
-template <class Function>
+static inline bool8 IsValidByteBuffer(ByteBuffer buffer)
-class DeferredFunction
 {
-  public:
+    return (buffer.Size > 0 && buffer.Data != NULL);
-    explicit DeferredFunction(const Function& otherFct) noexcept
-      : Callback(otherFct)
-    {
-    }
-    explicit DeferredFunction(Function&& otherFct) noexcept
-      : Callback(std::move(otherFct))
-    {
-    }
-
-    ~DeferredFunction() noexcept { Callback(); }
-
-    DeferredFunction(const DeferredFunction&)  = delete;
-    DeferredFunction(const DeferredFunction&&) = delete;
-    void operator=(const DeferredFunction&)    = delete;
-    void operator=(DeferredFunction&&)         = delete;
-
-  private:
-    Function Callback;
-};
-
-template <class Function>
-auto Defer(Function&& fct) noexcept
-{
-    return DeferredFunction<std::decay_t<Function>>{ std::forward<Function>(fct) };
 }
 
-inline bool IsValid(ByteBuffer buffer)
+extern JULIET_API void FreeByteBuffer(ByteBuffer* buffer);
+
+static inline bool8 IsPow2(uint64 x)
 {
-    return buffer.Size > 0 && buffer.Data;
+    return (x != 0) && ((x & (x - 1)) == 0);
 }
 
-extern JULIET_API void Free(ByteBuffer& buffer);
+static inline uint64 AlignPow2(uint64 x, uint64 alignment)
-
-template <std::integral T>
-[[nodiscard]] constexpr T AlignPow2(T x, T alignment)
 {
-    // Safety Check:
+    Assert(IsPow2(alignment));
-    Assert(std::has_single_bit(static_cast<size_t>(alignment)));
-
     return (x + alignment - 1) & ~(alignment - 1);
 }
 
-template <typename T>
+static inline void SwapMemory(void* Restrict a, void* Restrict b, size_t elem_size)
-inline void Swap(T* Restrict a, T* Restrict b)
 {
-    T temp = std::move(*a);
+    uint8* pa = (uint8*)a;
-    *a     = std::move(*b);
+    uint8* pb = (uint8*)b;
-    *b     = std::move(temp);
+    for (size_t i = 0; i < elem_size; ++i)
+    {
+        uint8 tmp = pa[i];
+        pa[i]     = pb[i];
+        pb[i]     = tmp;
+    }
 }
 
-// Move to another file dedicated to those
 #if defined(__clang__)
 #define COMPILER_CLANG 1
 #elif defined(_MSC_VER)
 #define COMPILER_MSVC 1
 #endif
 
-// Undef anything not defined
 #if !defined(COMPILER_CLANG)
 #define COMPILER_CLANG 0
 #endif
@@ -186,42 +160,33 @@ inline void Swap(T* Restrict a, T* Restrict b)
 #error AlignOf not defined for this compiler.
 #endif
 
-template <typename T>
+#if COMPILER_MSVC || (COMPILER_CLANG && defined(_MSC_VER))
-[[nodiscard]] constexpr const char* GetTypeName()
+#define ThreadLocal __declspec(thread)
-{
-#if COMPILER_CLANG
-    return __PRETTY_FUNCTION__;
-#elif COMPILER_MSVC
-    return __FUNCSIG__;
-#elif COMPILER_GCC
-    return __PRETTY_FUNCTION__;
 #else
-    return "UnknownType";
+#define ThreadLocal __thread
 #endif
-}
 
-inline uint16 safe_cast_uint16(uint32 value)
+static inline uint16 safe_cast_uint16(uint32 value)
 {
     Assert(value <= uint16Max);
     uint16 result = (uint16)value;
     return result;
 }
 
-const uint32 bitmask1  = 0b0000'0001;
+#define bitmask1  0x00000001u
-const uint32 bitmask2  = 0b0000'0011;
+#define bitmask2  0x00000003u
-const uint32 bitmask3  = 0b0000'0111;
+#define bitmask3  0x00000007u
-const uint32 bitmask4  = 0b0000'1111;
+#define bitmask4  0x0000000fu
-const uint32 bitmask5  = 0b0001'1111;
+#define bitmask5  0x0000001fu
-const uint32 bitmask6  = 0b0011'1111;
+#define bitmask6  0x0000003fu
-const uint32 bitmask7  = 0b0111'1111;
+#define bitmask7  0x0000007fu
-const uint32 bitmask8  = 0b1111'1111;
+#define bitmask8  0x000000ffu
-const uint32 bitmask9  = 0x0000'01ff;
+#define bitmask9  0x000001ffu
-const uint32 bitmask10 = 0x0000'03ff;
+#define bitmask10 0x000003ffu
-const uint32 bitmask11 = 0x0000'07ff;
+#define bitmask11 0x000007ffu
-const uint32 bitmask12 = 0x0000'0fff;
+#define bitmask12 0x00000fffu
-const uint32 bitmask13 = 0x0000'1fff;
+#define bitmask13 0x00001fffu
-const uint32 bitmask14 = 0x0000'3fff;
+#define bitmask14 0x00003fffu
-const uint32 bitmask15 = 0x0000'7fff;
+#define bitmask15 0x00007fffu
-const uint32 bitmask16 = 0x0000'ffff;
+#define bitmask16 0x0000ffffu
-// ...
+#define bitmask32 0xffffffffu
-const uint32 bitmask32 = 0xffff'ffff;

Juliet/include/Core/Common/EnumUtils.h

@@ -1,86 +0,0 @@
-#pragma once
-
-template <typename T>
-concept IsEnum = std::is_enum_v<T>;
-
-template <IsEnum E>
-constexpr E operator~(E lhs) noexcept
-{
-    return static_cast<E>(~static_cast<std::underlying_type_t<E>>(lhs));
-}
-
-template <IsEnum E>
-constexpr E operator|(E lhs, E rhs) noexcept
-{
-    return static_cast<E>(static_cast<std::underlying_type_t<E>>(lhs) | static_cast<std::underlying_type_t<E>>(rhs));
-}
-
-template <IsEnum E>
-constexpr E& operator|=(E& lhs, E rhs) noexcept
-{
-    return lhs = (lhs | rhs);
-}
-
-template <IsEnum E>
-constexpr E operator&(E lhs, E rhs) noexcept
-{
-    return static_cast<E>(static_cast<std::underlying_type_t<E>>(lhs) & static_cast<std::underlying_type_t<E>>(rhs));
-}
-
-template <IsEnum E>
-constexpr E& operator&=(E& lhs, E rhs) noexcept
-{
-    return lhs = (lhs & rhs);
-}
-
-template <IsEnum E>
-constexpr E operator^(E lhs, E rhs) noexcept
-{
-    return static_cast<E>(static_cast<std::underlying_type_t<E>>(lhs) ^ static_cast<std::underlying_type_t<E>>(rhs));
-}
-
-template <IsEnum E>
-constexpr E& operator^=(E& lhs, E rhs) noexcept
-{
-    return lhs = (lhs ^ rhs);
-}
-
-template <IsEnum E>
-constexpr std::underlying_type_t<E> operator-(E lhs, E rhs) noexcept
-{
-    using T = std::underlying_type_t<E>;
-    return static_cast<T>(static_cast<T>(lhs) - static_cast<T>(rhs));
-}
-
-template <IsEnum E>
-constexpr std::underlying_type_t<E> operator+(E lhs, E rhs) noexcept
-{
-    using T = std::underlying_type_t<E>;
-    return static_cast<T>(static_cast<T>(lhs) + static_cast<T>(rhs));
-}
-
-template <IsEnum E>
-constexpr E operator-(E lhs, std::underlying_type_t<E> rhs) noexcept
-{
-    using T = std::underlying_type_t<E>;
-    return static_cast<E>(static_cast<T>(static_cast<T>(lhs) - rhs));
-}
-
-template <IsEnum E>
-constexpr E operator+(E lhs, std::underlying_type_t<E> rhs) noexcept
-{
-    using T = std::underlying_type_t<E>;
-    return static_cast<E>(static_cast<T>(static_cast<T>(lhs) + rhs));
-}
-
-template <IsEnum E>
-constexpr std::underlying_type_t<E> ToUnderlying(E enm) noexcept
-{
-    return static_cast<std::underlying_type_t<E>>(enm);
-}
-
-template <IsEnum E>
-constexpr E ToEnum(std::underlying_type_t<E> value) noexcept
-{
-    return static_cast<E>(value);
-}

Juliet/include/Core/Common/NonNullPtr.h

@@ -1,110 +0,0 @@
-#pragma once
-
-#include <Core/Common/CoreUtils.h>
-
-template <typename Type, typename OtherType>
-concept NonNullPtr_Convertible = std::is_convertible_v<OtherType*, Type*>;
-
-template <typename Type, typename OtherType>
-concept NonNullPtr_SameType = std::is_same_v<OtherType*, Type*>;
-
-template <typename Type>
-class NonNullPtr
-{
-  public:
-    constexpr NonNullPtr(Type* ptr)
-      : InternalPtr(ptr)
-    {
-        Assert(ptr, "Tried to initialize a NonNullPtr with a null pointer");
-    }
-
-    template <typename OtherType>
-        requires NonNullPtr_Convertible<OtherType*, Type*>
-    constexpr NonNullPtr(const NonNullPtr<OtherType>& otherPtr)
-      : InternalPtr(otherPtr.Get())
-    {
-        Assert(InternalPtr, "Fatal Error: Assigned a non null ptr using another NonNullPtr but its was null.");
-    }
-
-    // Assignment
-    [[nodiscard]] constexpr NonNullPtr& operator=(Type* ptr)
-    {
-        Assert(ptr, "Tried to assign a null pointer to a NonNullPtr!");
-        InternalPtr = ptr;
-        return *this;
-    }
-
-    template <typename OtherType>
-        requires NonNullPtr_Convertible<OtherType*, Type*>
-    [[nodiscard]] constexpr NonNullPtr& operator=(const NonNullPtr<OtherType>& otherPtr)
-    {
-        InternalPtr = otherPtr.Get();
-        return *this;
-    }
-
-    // Accessors
-    [[nodiscard]] constexpr operator Type*() const
-    {
-        Assert(InternalPtr, "NonNullPtr: Internal Pointer is Null");
-        return InternalPtr;
-    }
-
-    [[nodiscard]] constexpr Type* Get() const
-    {
-        Assert(InternalPtr, "NonNullPtr: Internal Pointer is Null");
-        return InternalPtr;
-    }
-
-    [[nodiscard]] constexpr Type& operator*() const
-    {
-        Assert(InternalPtr, "NonNullPtr: Internal Pointer is Null");
-        return *InternalPtr;
-    }
-
-    [[nodiscard]] constexpr Type* operator->() const
-    {
-        Assert(InternalPtr, "NonNullPtr: Internal Pointer is Null");
-        return InternalPtr;
-    }
-
-    // Comparisons
-    [[nodiscard]] constexpr bool operator==(const NonNullPtr& otherPtr) const
-    {
-        return InternalPtr == otherPtr.InternalPtr;
-    }
-
-    template <typename OtherType>
-        requires NonNullPtr_SameType<Type, OtherType>
-    [[nodiscard]] constexpr bool operator==(OtherType* otherRawPtr) const
-    {
-        return InternalPtr == otherRawPtr;
-    }
-
-    template <typename OtherType>
-        requires NonNullPtr_SameType<Type, OtherType>
-    [[nodiscard]] constexpr friend bool operator==(OtherType* otherRawPtr, const NonNullPtr& nonNullPtr)
-    {
-        return otherRawPtr == nonNullPtr.InternalPtr;
-    }
-
-    // Forbid assigning a nullptr at compile time
-    constexpr NonNullPtr(std::nullptr_t)
-      : InternalPtr(nullptr)
-    {
-        static_assert(sizeof(Type) == 0, "Trying to initialize a NonNullPtr with a nullptr value");
-    }
-
-    [[nodiscard]] constexpr NonNullPtr& operator=(std::nullptr_t)
-    {
-        static_assert(sizeof(Type) == 0, "Trying to assign a NonNullPtr with a nullptr value");
-        return *this;
-    }
-
-    [[nodiscard]] constexpr explicit operator bool() const { return InternalPtr != nullptr; }
-
-  private:
-    Type* InternalPtr;
-};
-
-template <typename T>
-NonNullPtr(T*) -> NonNullPtr<T>;

Juliet/include/Core/Common/String.h

@@ -1,78 +1,84 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
+#include <Core/Common/CoreTypes.h>
+#include <Core/Common/CoreUtils.h>
 #include <Core/Math/MathUtils.h>
 #include <Core/Memory/Utils.h>
 
-#ifdef global
+typedef struct Arena Arena;
-#undef global
-#define RESTORE_GLOBAL
-#endif
 
-#ifdef RESTORE_GLOBAL
+#define ConstString(str)         ((String){ (char*)(str), sizeof(str) - 1 })
-#define global static
+#define ConstStringInit(str)     { (char*)(str), sizeof(str) - 1 }
-#undef RESTORE_GLOBAL
+#define CStr(str)                ((str).Str)
-#endif
-
-struct Arena;
-
-#define ConstString(str) { const_cast<char*>((str)), sizeof(str) - 1 }
-#define CStr(str) ((str).Str)
 #define InplaceString(name, size)                                                                                      \
     char name##_[size];                                                                                                \
     MemSet(name##_, 0, sizeof(uint32));                                                                                \
     String name = { name##_, 0 }
 
 // Everything is Little Endian
-enum class StringEncoding : uint8
+typedef uint8 StringEncoding;
+enum
 {
-    Unknown = 0,
+    StringEncoding_Unknown = 0,
-    ASCII,
+    StringEncoding_ASCII,
-    LATIN1,
+    StringEncoding_LATIN1,
-    UTF8,
+    StringEncoding_UTF8,
-    UTF16,
+    StringEncoding_UTF16,
-    UTF32,
+    StringEncoding_UTF32,
-    UCS2,
+    StringEncoding_UCS2,
-    UCS4,
+    StringEncoding_UCS4,
 };
 
 // Represents a UTF-8 String.
 // Not null terminated.
+typedef struct String8 String8;
 struct String8
 {
     char*  Str;
     size_t Size;
 };
-using String = String8;
+typedef String8 String;
 
+typedef struct String16 String16;
 struct String16
 {
     uint16* Str;
     size_t  Size;
 };
 
-struct StringBuffer : String
+typedef struct StringBuffer StringBuffer;
+struct StringBuffer
 {
+    union
+    {
+        String8 str8;
+        struct
+        {
+            char*  Str;
+            size_t Size;
+        };
+    };
     size_t Capacity;
 };
 
+typedef struct UnicodeDecode UnicodeDecode;
 struct UnicodeDecode
 {
     uint32 Increment;
     uint32 Codepoint;
 };
 
-constexpr uint32 kInvalidUTF8 = 0xFFFD;
+#define kInvalidUTF8 ((uint32)0xFFFDu)
 
-inline size_t StringLength(String str)
+static inline size_t StringLength(String str)
 {
     return str.Size;
 }
 
-inline size_t StringLength(const char* str)
+static inline size_t StringLengthCStr(const char* str)
 {
     size_t length = 0;
-    if (str)
+    if (str != NULL)
     {
         while (*str)
         {
@@ -84,47 +90,46 @@ inline size_t StringLength(const char* str)
     return length;
 }
 
-inline bool IsValid(String str)
+static inline bool8 IsValidString(String str)
 {
-    return str.Size > 0 && str.Str != nullptr && *str.Str;
+    return (str.Size > 0 && str.Str != NULL && *str.Str != '\0');
 }
 
-inline String WrapString(const char* str)
+static inline String WrapString(const char* str)
 {
-    String result = {};
+    String result = { 0 };
-    result.Str    = const_cast<char*>(str);
+    result.Str    = (char*)str;
-    result.Size   = str ? strlen(str) : 0;
+    result.Size   = (str != NULL) ? strlen(str) : 0;
     return result;
 }
 
-inline String FindChar(String str, char c)
+static inline String FindChar(String str, char c)
 {
-    String result = str;
+    String result = { 0 };
-    while (result.Size)
+    String cursor = str;
+    while (cursor.Size > 0)
     {
-        if (*result.Str != c)
+        if (*cursor.Str == c)
         {
-            ++result.Str;
+            result = cursor;
-            --result.Size;
+            break;
-        }
-        else
-        {
-            return result;
         }
+        ++cursor.Str;
+        --cursor.Size;
     }
-    return {};
+    return result;
 }
 
-inline bool ContainsChar(String str, char c)
+static inline bool8 ContainsChar(String str, char c)
 {
-    return IsValid(FindChar(str, c));
+    return IsValidString(FindChar(str, c));
 }
 
 // Return:
 // - < 0 if str1 < str2
 // - = 0 : Both strings are equals
 // - > 0 if str1 > str2
-inline int32 StringCompare(String str1, String str2)
+static inline int32 StringCompare(String str1, String str2)
 {
     size_t len1   = StringLength(str1);
     size_t len2   = StringLength(str2);
@@ -134,62 +139,47 @@ inline int32 StringCompare(String str1, String str2)
     {
         if (len1 > len2)
         {
-            return 1;
+            result = 1;
         }
-        if (len1 < len2)
+        else if (len1 < len2)
         {
-            return -1;
+            result = -1;
         }
-        return 0;
     }
     return result;
 }
 
-JULIET_API uint32 StepUTF8(String& inStr);
+JULIET_API uint32 StepUTF8(String* inStr);
 JULIET_API String FindString(String strLeft, String strRight);
 
 // Case insensitive compare. Supports ASCII only
-// TODO: Support UNICODE
 extern JULIET_API int8 StringCompareCaseInsensitive(String str1, String str2);
 
-// Do not allocate anything, you must allocate your out buffer yourself
+extern JULIET_API bool8 ConvertString(StringEncoding from, StringEncoding to, String src, StringBuffer* dst, bool8 nullTerminate);
-// TODO: Version taking arena that can allocate
+extern JULIET_API bool8 ConvertStringByName(String from, String to, String src, StringBuffer* dst, bool8 nullTerminate);
-// Do not take String type because we dont know the string encoding we are going from/to
-// src and dst will be casted based on the encoding.
-// size will correspond to the number of characters
-// Will convert \0 character if present.
-extern JULIET_API bool ConvertString(StringEncoding from, StringEncoding to, String src, StringBuffer& dst, bool nullTerminate);
-extern JULIET_API bool ConvertString(String from, String to, String src, StringBuffer& dst, bool nullTerminate);
 
-JULIET_API String   StringCopy(NonNullPtr<Arena> arena, String str);
+JULIET_API String   StringCopy(Arena* arena, String str);
-JULIET_API String16 str16_from_8(NonNullPtr<Arena> arena, String8 str);
+JULIET_API String16 str16_from_8(Arena* arena, String8 str);
 
 String trim_whitespace(String str);
 
-template <typename... Args>
+JULIET_API String StringFormatV(Arena* arena, const char* formatStr, va_list args);
-String Format(NonNullPtr<Arena> arena, const char* formatStr, Args&&... args)
+JULIET_API String StringFormat(Arena* arena, const char* formatStr, ...);
-{
-    std::string result = std::vformat(formatStr, std::make_format_args(args...));
-    return StringCopy(arena, WrapString(result.c_str()));
-}
 
 #define juliet_snprintf snprintf
 
 #ifdef UNIT_TEST
-namespace UnitTest
+static inline void UnitTest_TestFindChar(void)
 {
-    inline void TestFindChar()
+    String s1 = ConstString("");
-    {
+    String s2 = ConstString("abcdefabcdef");
-        String s1 = ConstString("");
+    String s3 = ConstString("11111111111111111111");
-        String s2 = ConstString("abcdefabcdef");
-        String s3 = ConstString("11111111111111111111");
 
-        Assert(FindChar(s1, 'x').Str == nullptr);
+    Assert(FindChar(s1, 'x').Str == NULL);
-        Assert(FindChar(s2, 'y').Str == nullptr);
+    Assert(FindChar(s2, 'y').Str == NULL);
-        Assert(FindChar(s2, 'a').Str - s2.Str == 0);
+    Assert(FindChar(s2, 'a').Str - s2.Str == 0);
-        Assert(FindChar(s2, 'd').Str - s2.Str == 3);
+    Assert(FindChar(s2, 'd').Str - s2.Str == 3);
-        Assert(FindChar(s2, 'f').Str - s2.Str == 5);
+    Assert(FindChar(s2, 'f').Str - s2.Str == 5);
-        Assert(FindChar(s3, '1').Str - s3.Str == 0);
+    Assert(FindChar(s3, '1').Str - s3.Str == 0);
-    }
+}
-} // namespace UnitTest
 #endif

Juliet/include/Core/Common/serialization.h

@@ -2,125 +2,102 @@
 
 #include <Juliet.h>
 
+#include <Core/Common/CRC32.h>
 #include <Core/Common/String.h>
 #include <Core/HAL/IO/IOStream.h>
+#include <Core/Math/Vector.h>
 
-// .jasset
+typedef struct IOStream            IOStream;
-// AssetFile       ::= { CommentLine | EmptyLine | PropertyDeclaration } ;
+typedef struct Arena               Arena;
-// CommentLine     ::= ( "#" | "//" ) { Character } LineEnding ;
+typedef struct ArchivePropertyNode ArchivePropertyNode;
-// EmptyLine       ::= { Whitespace } LineEnding ;
+typedef struct ParsedArchive       ParsedArchive;
-// PropertyDeclaration ::= KeyHeader LineEnding ValueBlock ;
+typedef struct Archive             Archive;
-// KeyHeader       ::= ";" { Whitespace } Identifier ;
-// ValueBlock      ::= { ValueLine LineEnding } ;
-// ValueLine       ::= { Whitespace } ValueString { Whitespace } ;
-// LineEnding      ::= "\r\n" | "\n" ;
-// Identifier      ::= [a-zA-Z_][a-zA-Z0-9_]* ;
-
-struct Vector4;
-struct IOStream;
-struct Arena;
 
 struct ArchivePropertyNode
 {
     String key;
     String value;
     uint32 key_crc;
-    bool   consumed;
+    bool8  consumed;
 };
 
 struct ParsedArchive
 {
-    ArchivePropertyNode* nodes          = nullptr;
+    ArchivePropertyNode* nodes;
-    uint32               property_count = 0;
+    uint32               property_count;
 };
 
 struct Archive
 {
     Arena*        arena;
-    bool          loading;
+    bool8         loading;
-    ParsedArchive base   = {};
+    ParsedArchive base;
-    IOStream*     stream = nullptr;
+    IOStream*     stream;
 
-    // to remove
+    void*   base_ptr;
-    void*   base_ptr = nullptr;
+    index_t offset;
-    index_t offset   = 0;
 };
 
-JULIET_API void serialize(Archive& ar, void* data, size_t size);
+JULIET_API void serialize_bytes(Archive* ar, void* data, size_t size);
 
-#define serialize_elem(ar, val) serialize((ar), &(val), sizeof(val))
+#define serialize_elem(ar, val) serialize_bytes((ar), &(val), sizeof(val))
 
-JULIET_API ParsedArchive        tokenize_archive(NonNullPtr<Arena> arena, ByteBuffer file_buffer);
+JULIET_API ParsedArchive        tokenize_archive(Arena* arena, ByteBuffer file_buffer);
-JULIET_API ArchivePropertyNode* find_property(NonNullPtr<ParsedArchive> archive, uint32 property_crc);
+JULIET_API ArchivePropertyNode* find_property(ParsedArchive* archive, uint32 property_crc);
-JULIET_API void                 write_property_header(Archive& archive, String property_name);
+JULIET_API void                 write_property_header(Archive* archive, String property_name);
 
-JULIET_API bool read_prop(Archive& ar, String value_raw, String& value);
+JULIET_API bool8 read_prop_str(Archive* ar, String value_raw, String* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, String value);
+JULIET_API void  write_str(IOStream* stream, String value);
-JULIET_API bool read(const char* buffer, float& value, const char** end = nullptr);
+JULIET_API bool8 read_f32(const char* buffer, float* value, const char** end);
-JULIET_API void write(NonNullPtr<IOStream> stream, float value);
+JULIET_API void  write_f32(IOStream* stream, float value);
-JULIET_API bool read(const char* buffer, int8& value);
+JULIET_API bool8 read_i8(const char* buffer, int8* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, int8 value);
+JULIET_API void  write_i8(IOStream* stream, int8 value);
-JULIET_API bool read(const char* buffer, int16& value);
+JULIET_API bool8 read_i16(const char* buffer, int16* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, int16 value);
+JULIET_API void  write_i16(IOStream* stream, int16 value);
-JULIET_API bool read(const char* buffer, int32& value);
+JULIET_API bool8 read_i32(const char* buffer, int32* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, int32 value);
+JULIET_API void  write_i32(IOStream* stream, int32 value);
-JULIET_API bool read(const char* buffer, int64& value);
+JULIET_API bool8 read_i64(const char* buffer, int64* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, int64 value);
+JULIET_API void  write_i64(IOStream* stream, int64 value);
-JULIET_API bool read(const char* buffer, uint8& value);
+JULIET_API bool8 read_u8(const char* buffer, uint8* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, uint8 value);
+JULIET_API void  write_u8(IOStream* stream, uint8 value);
-JULIET_API bool read(const char* buffer, uint16& value);
+JULIET_API bool8 read_u16(const char* buffer, uint16* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, uint16 value);
+JULIET_API void  write_u16(IOStream* stream, uint16 value);
-JULIET_API bool read(const char* buffer, uint32& value);
+JULIET_API bool8 read_u32(const char* buffer, uint32* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, uint32 value);
+JULIET_API void  write_u32(IOStream* stream, uint32 value);
-JULIET_API bool read(const char* buffer, uint64& value);
+JULIET_API bool8 read_u64(const char* buffer, uint64* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, uint64 value);
+JULIET_API void  write_u64(IOStream* stream, uint64 value);
-JULIET_API bool read(const char* buffer, bool& value);
+JULIET_API bool8 read_b8(const char* buffer, bool8* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, bool value);
+JULIET_API void  write_b8(IOStream* stream, bool8 value);
-JULIET_API bool read(const char* buffer, Vector4& value);
+JULIET_API bool8 read_vec4(const char* buffer, Vector4* value);
-JULIET_API void write(NonNullPtr<IOStream> stream, Vector4 value);
+JULIET_API void  write_vec4(IOStream* stream, Vector4 value);
 
-// For primitives not needing archive nor allocation
+JULIET_API bool8 serialize_str(Archive* ar, String property_name, String* value);
-template <typename Type>
+JULIET_API bool8 serialize_f32(Archive* ar, String property_name, float* value);
-bool read_prop(Archive& /*ar*/, String value_raw, Type& value)
+JULIET_API bool8 serialize_i8(Archive* ar, String property_name, int8* value);
-{
+JULIET_API bool8 serialize_i16(Archive* ar, String property_name, int16* value);
-    char   buffer[64];
+JULIET_API bool8 serialize_i32(Archive* ar, String property_name, int32* value);
-    size_t cpy_size = Min(value_raw.Size, sizeof(buffer) - 1);
+JULIET_API bool8 serialize_i64(Archive* ar, String property_name, int64* value);
-    MemCopy(buffer, value_raw.Str, cpy_size);
+JULIET_API bool8 serialize_u8(Archive* ar, String property_name, uint8* value);
-    buffer[cpy_size] = '\0';
+JULIET_API bool8 serialize_u16(Archive* ar, String property_name, uint16* value);
+JULIET_API bool8 serialize_u32(Archive* ar, String property_name, uint32* value);
+JULIET_API bool8 serialize_u64(Archive* ar, String property_name, uint64* value);
+JULIET_API bool8 serialize_b8(Archive* ar, String property_name, bool8* value);
+JULIET_API bool8 serialize_vec4(Archive* ar, String property_name, Vector4* value);
 
-    return read(buffer, value);
+#define SERIALIZE_STR(ar, name, var_ptr)  serialize_str((ar), ConstString(#name), (var_ptr))
-}
+#define SERIALIZE_F32(ar, name, var_ptr)  serialize_f32((ar), ConstString(#name), (var_ptr))
-
+#define SERIALIZE_I8(ar, name, var_ptr)   serialize_i8((ar), ConstString(#name), (var_ptr))
-#define SERIALIZE(ar, name, var) serialize((ar), ConstString(#name), #name##_crc32, (var))
+#define SERIALIZE_I16(ar, name, var_ptr)  serialize_i16((ar), ConstString(#name), (var_ptr))
-#define SERIALIZE_SIMPLE(ar, var) SERIALIZE(ar, var, var)
+#define SERIALIZE_I32(ar, name, var_ptr)  serialize_i32((ar), ConstString(#name), (var_ptr))
-
+#define SERIALIZE_I64(ar, name, var_ptr)  serialize_i64((ar), ConstString(#name), (var_ptr))
-template <typename Type>
+#define SERIALIZE_U8(ar, name, var_ptr)   serialize_u8((ar), ConstString(#name), (var_ptr))
-bool serialize(Archive& ar, String property_name, uint32 property_crc, Type& value)
+#define SERIALIZE_U16(ar, name, var_ptr)  serialize_u16((ar), ConstString(#name), (var_ptr))
-{
+#define SERIALIZE_U32(ar, name, var_ptr)  serialize_u32((ar), ConstString(#name), (var_ptr))
-    Assert(IsValid(property_name));
+#define SERIALIZE_U64(ar, name, var_ptr)  serialize_u64((ar), ConstString(#name), (var_ptr))
-
+#define SERIALIZE_B8(ar, name, var_ptr)   serialize_b8((ar), ConstString(#name), (var_ptr))
-    bool result = false;
+#define SERIALIZE_BOOL(ar, name, var_ptr) serialize_b8((ar), ConstString(#name), (var_ptr))
-    if (ar.loading)
+#define SERIALIZE_VEC4(ar, name, var_ptr) serialize_vec4((ar), ConstString(#name), (var_ptr))
-    {
-        if (auto* prop = find_property(&ar.base, property_crc))
-        {
-            if (read_prop(ar, prop->value, value))
-            {
-                result = true;
-            }
-        }
-    }
-    else
-    {
-        // Save
-        write_property_header(ar, property_name);
-        write(ar.stream, value);
-        result = true;
-    }
-
-    return result;
-}
 
 #if JULIET_DEBUG
-JULIET_API void audit_unconsumed_properties(NonNullPtr<ParsedArchive> archive, String context_name);
+JULIET_API void audit_unconsumed_properties(ParsedArchive* archive, String context_name);
 #endif

Juliet/include/Core/Container/Vector.h

@@ -1,211 +1,232 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
+#include <Core/Common/CoreUtils.h>
 #include <Core/Memory/MemoryArena.h>
+#include <Core/Memory/Utils.h>
 
-template <typename Type, size_t ReserveSize = 16>
+typedef struct VectorArena VectorArena;
 struct VectorArena
 {
-    void Create(NonNullPtr<Arena> arena JULIET_DEBUG_PARAM(const char* name = nullptr))
+    Arena* Arena;
+    void*  DataFirst;
+    void*  DataLast;
+    void*  Data;
+    union
     {
-        Assert(!Arena);
+        size_t Count;
-
+        size_t Size;
-        JULIET_DEBUG_ONLY(Name = name ? name : Name;)
+    };
-
+    size_t Capacity;
-        DataFirst = DataLast = Data = nullptr;
+    size_t ElemSize;
-        Count                       = 0;
+    size_t ElemAlign;
-        Capacity                    = 0;
+    size_t ReserveSize;
-        Arena                       = arena;
+    JULIET_DEBUG_ONLY(const char* Name;)
-
-        Reserve(ReserveSize);
-    }
-
-    void Destroy()
-    {
-        DataFirst = DataLast = Data = nullptr;
-        Count                       = 0;
-        Capacity                    = 0;
-        Arena                       = nullptr;
-    }
-
-    void Reserve(size_t newCapacity)
-    {
-        Assert(Arena);
-        Assert(newCapacity <= ReserveSize && "VectorArena capacity should be <= ReserveSize.");
-
-        if (Data == nullptr)
-        {
-            Data     = ArenaPushArray<Type>(Arena, newCapacity JULIET_DEBUG_PARAM(Name));
-            Capacity = newCapacity;
-        }
-        else
-        {
-            Unimplemented();
-        }
-    }
-
-    void Resize(size_t newCount)
-    {
-        Assert(Arena);
-        if (newCount == Count)
-        {
-            return;
-        }
-
-        if (Data == nullptr)
-        {
-            size_t initialCapacity = newCount > ReserveSize ? newCount : ReserveSize;
-            Reserve(initialCapacity);
-        }
-
-        Assert(newCount <= Capacity && "VectorArena capacity exceeded!");
-        Count = newCount;
-
-        if (Count > 0)
-        {
-            DataFirst = Data;
-            DataLast  = Data + Count - 1;
-        }
-        else
-        {
-            DataFirst = DataLast = nullptr;
-        }
-    }
-
-    void PushBack(const Type* buffer, size_t amount)
-    {
-        Assert(Arena);
-        Assert(buffer || amount == 0);
-
-        if (amount == 0)
-        {
-            return;
-        }
-
-        if (Data == nullptr)
-        {
-            size_t initialCapacity = amount > ReserveSize ? amount : ReserveSize;
-            Reserve(initialCapacity);
-        }
-
-        Assert(Count + amount <= Capacity && "VectorArena capacity exceeded!");
-
-        Type* dst = Data + Count;
-        MemCopy(dst, buffer, amount * sizeof(Type));
-
-        if (Count == 0)
-        {
-            DataFirst = dst;
-        }
-        DataLast = dst + amount - 1;
-        Count += amount;
-    }
-
-    void PushBack(const Type& value)
-    {
-        Assert(Arena);
-
-        if (Data == nullptr)
-        {
-            Reserve(ReserveSize);
-        }
-
-        Assert(Count + 1 <= Capacity && "VectorArena capacity exceeded!");
-
-        Type* entry = Data + Count;
-        *entry      = value;
-
-        if (Count == 0)
-        {
-            DataFirst = entry;
-        }
-        DataLast = entry;
-        ++Count;
-    }
-
-    void PushBack(Type&& value)
-    {
-        Assert(Arena);
-
-        if (Data == nullptr)
-        {
-            Reserve(ReserveSize);
-        }
-
-        Assert(Count + 1 <= Capacity && "VectorArena capacity exceeded!");
-
-        Type* entry = Data + Count;
-        *entry      = std::move(value);
-
-        if (Count == 0)
-        {
-            DataFirst = entry;
-        }
-        DataLast = entry;
-        ++Count;
-    }
-
-    void RemoveAtFast(index_t index)
-    {
-        Assert(Arena);
-        Assert(index < Count);
-        Assert(Count > 0);
-
-        Type* elementAdr = DataFirst + index;
-
-        // Swap DataLast and element
-        if (DataLast != elementAdr)
-        {
-            Swap(DataLast, elementAdr);
-        }
-
-        --DataLast;
-        --Count;
-
-        if (Count == 0)
-        {
-            DataFirst = DataLast = nullptr;
-        }
-    }
-
-    void Clear()
-    {
-        Assert(Arena);
-
-        DataFirst = DataLast = nullptr;
-        Count                = 0;
-    }
-
-    [[nodiscard]] bool IsEmpty() const { return Count == 0; }
-
-    // C++ Accessors for loop supports and Index based access
-    [[nodiscard]] Type&       operator[](size_t index) { return DataFirst[index]; }
-    [[nodiscard]] const Type& operator[](size_t index) const { return DataFirst[index]; }
-
-    [[nodiscard]] Type* begin() { return DataFirst; }
-    [[nodiscard]] Type* end() { return DataFirst + Count; }
-
-    [[nodiscard]] const Type* begin() const { return DataFirst; }
-    [[nodiscard]] const Type* end() const { return DataFirst + Count; }
-
-    [[nodiscard]] Type*       First() { return DataFirst; }
-    [[nodiscard]] Type*       Front() { return DataFirst; }
-    [[nodiscard]] Type*       Last() { return DataLast; }
-    [[nodiscard]] Type*       Back() { return DataLast; }
-    [[nodiscard]] Type*       DataPtr() { return Data; }
-    [[nodiscard]] const Type* DataPtr() const { return Data; }
-
-    [[nodiscard]] size_t Size() const { return Count; }
-
-    Arena* Arena     = nullptr;
-    Type*  DataFirst = nullptr;
-    Type*  DataLast  = nullptr;
-    Type*  Data      = nullptr;
-    size_t Count     = 0;
-    size_t Capacity  = 0;
-    JULIET_DEBUG_ONLY(const char* Name = "VectorArena";)
 };
-static_assert(std::is_standard_layout_v<VectorArena<int>>,
+
-              "VectorArena must have a standard layout to remain POD-like.");
+#define kDefaultVectorReserveSize      ((size_t)16)
-static_assert(std::is_trivially_copyable_v<VectorArena<int>>,
+#define kVectorArenaDefaultReserveSize ((size_t)16)
-              "VectorArena must be trivially copyable (no custom destructors/assignment).");
+
+static inline void vector_arena_reserve(VectorArena* vec, size_t new_capacity)
+{
+    Assert(vec != NULL);
+    Assert(vec->Arena != NULL);
+    Assert(new_capacity <= vec->ReserveSize && "VectorArena capacity should be <= ReserveSize.");
+
+    if (vec->Data == NULL)
+    {
+        vec->Data = ArenaPush(vec->Arena, new_capacity * vec->ElemSize, Max(8ull, (uint64)vec->ElemAlign),
+                              true JULIET_DEBUG_PARAM(vec->Name));
+        vec->Capacity = new_capacity;
+    }
+    else
+    {
+        Unimplemented();
+    }
+}
+
+static inline void vector_arena_create(VectorArena* vec, Arena* arena, size_t elem_size, size_t elem_align,
+                                       size_t reserve_size JULIET_DEBUG_PARAM(const char* name))
+{
+    Assert(vec != NULL);
+    Assert(arena != NULL);
+    Assert(vec->Arena == NULL);
+    Assert(elem_size > 0);
+
+    JULIET_DEBUG_ONLY(vec->Name = (name != NULL) ? name : "VectorArena";)
+
+    vec->DataFirst   = NULL;
+    vec->DataLast    = NULL;
+    vec->Data        = NULL;
+    vec->Count       = 0;
+    vec->Capacity    = 0;
+    vec->ElemSize    = elem_size;
+    vec->ElemAlign   = elem_align;
+    vec->ReserveSize = (reserve_size > 0) ? reserve_size : 16;
+    vec->Arena       = arena;
+
+    vector_arena_reserve(vec, vec->ReserveSize);
+}
+
+static inline void vector_arena_destroy(VectorArena* vec)
+{
+    Assert(vec != NULL);
+    vec->DataFirst = NULL;
+    vec->DataLast  = NULL;
+    vec->Data      = NULL;
+    vec->Count     = 0;
+    vec->Capacity  = 0;
+    vec->Arena     = NULL;
+}
+
+static inline void* vector_arena_begin(VectorArena* vec)
+{
+    Assert(vec != NULL);
+    return vec->DataFirst;
+}
+
+static inline const void* vector_arena_begin_const(const VectorArena* vec)
+{
+    Assert(vec != NULL);
+    return vec->DataFirst;
+}
+
+static inline void* vector_arena_end(VectorArena* vec)
+{
+    Assert(vec != NULL);
+    void* result = NULL;
+    if (vec->DataFirst != NULL)
+    {
+        result = (Byte*)vec->DataFirst + (vec->Count * vec->ElemSize);
+    }
+    return result;
+}
+
+static inline const void* vector_arena_end_const(const VectorArena* vec)
+{
+    Assert(vec != NULL);
+    const void* result = NULL;
+    if (vec->DataFirst != NULL)
+    {
+        result = (const Byte*)vec->DataFirst + (vec->Count * vec->ElemSize);
+    }
+    return result;
+}
+
+static inline void vector_arena_resize(VectorArena* vec, size_t new_size)
+{
+    Assert(vec != NULL);
+    Assert(new_size <= vec->Capacity);
+    vec->Count = new_size;
+    if (vec->Count > 0)
+    {
+        vec->DataFirst = vec->Data;
+        vec->DataLast  = (Byte*)vec->Data + ((vec->Count - 1) * vec->ElemSize);
+    }
+    else
+    {
+        vec->DataFirst = NULL;
+        vec->DataLast  = NULL;
+    }
+}
+
+static inline void vector_arena_push_buffer(VectorArena* vec, const void* buffer, size_t amount)
+{
+    Assert(vec != NULL);
+    Assert(buffer != NULL);
+    Assert(amount > 0);
+    Assert(vec->Count + amount <= vec->Capacity && "VectorArena capacity exceeded!");
+
+    Byte* dest = (Byte*)vec->Data + (vec->Count * vec->ElemSize);
+    MemCopy(dest, buffer, amount * vec->ElemSize);
+
+    if (vec->DataFirst == NULL)
+    {
+        vec->DataFirst = vec->Data;
+    }
+
+    vec->Count += amount;
+    vec->DataLast = (Byte*)vec->Data + ((vec->Count - 1) * vec->ElemSize);
+}
+
+#define vector_arena_push_array vector_arena_push_buffer
+
+static inline void vector_arena_push_elem(VectorArena* vec, const void* value_ptr)
+{
+    Assert(vec != NULL);
+    Assert(value_ptr != NULL);
+    Assert(vec->Count + 1 <= vec->Capacity && "VectorArena capacity exceeded!");
+
+    Byte* dest = (Byte*)vec->Data + (vec->Count * vec->ElemSize);
+    MemCopy(dest, value_ptr, vec->ElemSize);
+
+    if (vec->DataFirst == NULL)
+    {
+        vec->DataFirst = vec->Data;
+    }
+
+    vec->Count += 1;
+    vec->DataLast = dest;
+}
+
+static inline void vector_arena_remove_at_fast(VectorArena* vec, index_t index)
+{
+    Assert(vec != NULL);
+    Assert(index < vec->Count);
+
+    size_t last_idx = vec->Count - 1;
+    if (index != last_idx)
+    {
+        Byte* dst = (Byte*)vec->DataFirst + (index * vec->ElemSize);
+        Byte* src = (Byte*)vec->DataFirst + (last_idx * vec->ElemSize);
+        MemCopy(dst, src, vec->ElemSize);
+    }
+
+    vec->Count -= 1;
+    if (vec->Count == 0)
+    {
+        vec->DataFirst = NULL;
+        vec->DataLast  = NULL;
+    }
+    else
+    {
+        vec->DataLast = (Byte*)vec->DataFirst + ((vec->Count - 1) * vec->ElemSize);
+    }
+}
+
+static inline void vector_arena_clear(VectorArena* vec)
+{
+    Assert(vec != NULL);
+    vec->DataFirst = NULL;
+    vec->DataLast  = NULL;
+    vec->Count     = 0;
+}
+
+static inline bool8 vector_arena_is_empty(const VectorArena* vec)
+{
+    Assert(vec != NULL);
+    return vec->Count == 0;
+}
+
+static inline size_t vector_arena_size(const VectorArena* vec)
+{
+    Assert(vec != NULL);
+    return vec->Count;
+}
+
+#define VectorArenaCreate(vec, Type, arena, ...)                                                                       \
+    vector_arena_create((vec), (arena), sizeof(Type), AlignOf(Type), __VA_ARGS__)
+
+#define VectorArenaAt(Type, vec, idx)  (((Type*)((vec)->DataFirst))[idx])
+#define VectorArenaData(Type, vec)     ((Type*)((vec)->Data))
+#define VectorArenaBegin(Type, vec)    ((Type*)((vec)->DataFirst))
+#define VectorArenaEnd(Type, vec)      (((vec)->DataFirst != NULL) ? (((Type*)((vec)->DataFirst)) + (vec)->Count) : NULL)
+#define VectorArenaLast(Type, vec)     ((Type*)((vec)->DataLast))
+#define VectorArenaBack(Type, vec)     ((Type*)((vec)->DataLast))
+#define VectorArenaPushPtr(Type, vec, ptr) vector_arena_push_elem((vec), (ptr))
+#define VectorArenaPushVal(Type, vec, val)                                                                             \
+    do                                                                                                                 \
+    {                                                                                                                  \
+        Type _vec_tmp_val = (val);                                                                                     \
+        vector_arena_push_elem((vec), &_vec_tmp_val);                                                                  \
+    }                                                                                                                  \
+    while (0)

Juliet/include/Core/HAL/Display/Display.h

@@ -1,16 +1,16 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/String.h>
 
-struct Window;
+typedef struct Window Window;
 
-using WindowID = uint8;
+typedef uint8 WindowID;
-extern JULIET_API Window* CreatePlatformWindow(const char* title, uint16 width, uint16 height, int flags = 0 /* unused */);
-extern JULIET_API void DestroyPlatformWindow(NonNullPtr<Window> window);
 
-extern JULIET_API void ShowWindow(NonNullPtr<Window> window);
+extern JULIET_API Window*  CreatePlatformWindow(const char* title, uint16 width, uint16 height, int flags);
-extern JULIET_API void HideWindow(NonNullPtr<Window> window);
+extern JULIET_API void     DestroyPlatformWindow(Window* window);
 
-extern JULIET_API WindowID GetWindowID(NonNullPtr<Window> window);
+extern JULIET_API void     ShowPlatformWindow(Window* window);
-extern JULIET_API void     SetWindowTitle(NonNullPtr<Window> window, String title);
+extern JULIET_API void     HidePlatformWindow(Window* window);
+
+extern JULIET_API WindowID GetWindowID(Window* window);
+extern JULIET_API void     SetWindowTitle(Window* window, String title);

Juliet/include/Core/HAL/DynLib/DynamicLibrary.h

@@ -1,9 +1,10 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
+#include <Core/Common/CoreTypes.h>
+#include <Juliet.h>
 
-struct DynamicLibrary;
+typedef struct DynamicLibrary DynamicLibrary;
 
 extern JULIET_API DynamicLibrary* LoadDynamicLibrary(const char* filename);
-extern JULIET_API FunctionPtr     LoadFunction(NonNullPtr<DynamicLibrary> lib, const char* functionName);
+extern JULIET_API FunctionPtr     LoadFunction(DynamicLibrary* lib, const char* functionName);
-extern JULIET_API void            UnloadDynamicLibrary(NonNullPtr<DynamicLibrary> lib);
+extern JULIET_API void            UnloadDynamicLibrary(DynamicLibrary* lib);

Juliet/include/Core/HAL/Event/SystemEvent.h

@@ -1,53 +1,57 @@
-#pragma once
+#pragma once
 
+#include <Core/Common/CoreUtils.h>
 #include <Core/HAL/Display/Display.h>
 #include <Core/HAL/Keyboard/Keyboard.h>
 #include <Core/HAL/Keyboard/KeyCode.h>
 #include <Core/HAL/Mouse/Mouse.h>
 #include <Juliet.h>
 
-// Handles all events from systems handling the Hardware
+typedef uint32 EventType;
-// Very inspired by SDL3
+enum
-
-enum class EventType : uint32
 {
-    None  = 0,
+    EventType_None  = 0,
-    First = None,
+    EventType_First = EventType_None,
 
     // Application Events
-    // User querying an exit
+    EventType_Application_Exit         = 100,
-    Application_Exit = 100,
+    EventType_Application_OS_Terminate = 101,
-    // OS terminating the application
+    EventType_Application_Begin        = EventType_Application_Exit,
-    Application_OS_Terminate,
+    EventType_Application_End          = EventType_Application_OS_Terminate,
-    Application_Begin = Application_Exit,
-    Application_End   = Application_OS_Terminate,
 
     // Window Events
-    Window_Close_Request = 200,
+    EventType_Window_Close_Request = 200,
-    Window_Begin         = Window_Close_Request,
+    EventType_Window_Begin         = EventType_Window_Close_Request,
-    Window_End           = Window_Close_Request,
+    EventType_Window_End           = EventType_Window_Close_Request,
 
     // Keyboard Event
-    Key_Down = 300,
+    EventType_Key_Down       = 300,
-    Key_Up,
+    EventType_Key_Up         = 301,
-    Keyboard_Begin = Key_Down,
+    EventType_Keyboard_Begin = EventType_Key_Down,
-    Keyboard_End   = Key_Up,
+    EventType_Keyboard_End   = EventType_Key_Up,
 
     // Mouse Event
-    Mouse_Move = 400,
+    EventType_Mouse_Move           = 400,
-    Mouse_ButtonPressed,
+    EventType_Mouse_ButtonPressed  = 401,
-    Mouse_ButtonReleased,
+    EventType_Mouse_ButtonReleased = 402,
 
-    Mouse_Begin = Mouse_Move,
+    EventType_Mouse_Begin = EventType_Mouse_Move,
-    Mouse_End   = Mouse_ButtonReleased,
+    EventType_Mouse_End   = EventType_Mouse_ButtonReleased,
 
-    Last // Get value from the previous one
+    EventType_Last
 };
 
+typedef struct WindowEvent        WindowEvent;
+typedef struct KeyboardEvent      KeyboardEvent;
+typedef struct MouseMovementEvent MouseMovementEvent;
+typedef struct MouseButtonEvent   MouseButtonEvent;
+typedef union AllSystemEventUnion AllSystemEventUnion;
+typedef struct SystemEvent        SystemEvent;
+
 struct WindowEvent
 {
     WindowID AssociatedWindowID;
-    uint32   DataPadding[2]; // TODO : define how much data param we need
+    uint32   DataPadding[2];
 };
 
 struct KeyboardEvent
@@ -59,9 +63,6 @@ struct KeyboardEvent
     KeyMod     KeyModeState;
 };
 
-// =====================================================
-// Mouse Events
-// =====================================================
 struct MouseMovementEvent
 {
     MouseID     AssociatedMouseID;
@@ -80,20 +81,18 @@ struct MouseButtonEvent
     float       X;
     float       Y;
     MouseButton ButtonState;
-    bool        IsPressed : 1;
+    bool8       IsPressed;
 };
 
-// Tagged union representing ALL possible system events + a bit of data for custom event if needed
 union AllSystemEventUnion
 {
     WindowEvent        Window;
     KeyboardEvent      Keyboard;
     MouseMovementEvent MouseMovement;
     MouseButtonEvent   MouseButton;
-    uint8              Padding[128]; // Make sure that the union is fixed in size and big enough on all platforms.
+    uint8              Padding[128];
 };
-// Make sure we do not bust the union size
+StaticAssert(sizeof(AllSystemEventUnion) == 128, SystemEventUnionSizeCheck);
-static_assert(sizeof(AllSystemEventUnion) == sizeof(((AllSystemEventUnion*)nullptr)->Padding));
 
 struct SystemEvent
 {
@@ -102,19 +101,7 @@ struct SystemEvent
     AllSystemEventUnion Data;
 };
 
-// Poll for any event, return false if no event is available.
+extern JULIET_API bool8 GetEvent(SystemEvent* event);
-// Equivalent to WaitEvent(event, 0);
+extern JULIET_API bool8 WaitEvent(SystemEvent* event, int32 timeoutInNS);
-// Will not block
+extern JULIET_API bool8 AddEvent(SystemEvent* event);
-extern JULIET_API bool GetEvent(SystemEvent& event);
+extern void             Events_NewFrame(float deltaTime);
-
-// TODO : use chrono to tag the timeout correctly with nanosec
-// timeout == -1 means wait for any event before pursuing
-// timeout == 0 means checking once for the frame and getting out
-// timeout > 0 means wait until time is out
-extern JULIET_API bool WaitEvent(SystemEvent& event, int32 timeoutInNS = -1);
-
-// Add an event onto the event queue.
-// TODO : support array of events
-extern JULIET_API bool AddEvent(SystemEvent& event);
-
-extern void Events_NewFrame(float deltaTime);

Juliet/include/Core/HAL/Filesystem/Filesystem.h

@@ -2,41 +2,43 @@
 
 #include <Core/Common/String.h>
 
-enum class AssetType
+typedef uint32 AssetType;
+enum
 {
-    JAsset,
+    AssetType_JAsset = 0,
-    Shader,
+    AssetType_Shader = 1,
-    Config,
+    AssetType_Config = 2,
 };
 
+typedef struct Path Path;
 struct Path
 {
     String Directories;
     String FullPath;
 };
 
-JULIET_API bool IsValid(Path path);
+JULIET_API bool8 IsValidPath(Path path);
 
 // Returns the path to the application directory
-JULIET_API Path GetBasePath();
+JULIET_API Path  GetBasePath(void);
 
 // Path to the /Assets/ folder
-JULIET_API Path GetAssetBasePath();
+JULIET_API Path  GetAssetBasePath(void);
 
 // Builds a full path to an asset file given its filename (e.g. "Triangle.vert.dxil").
-JULIET_API Path GetAssetPath(NonNullPtr<Arena> arena, AssetType type, String filename);
+JULIET_API Path  GetAssetPath(Arena* arena, AssetType type, String filename);
 
-JULIET_API bool IsAbsolutePath(String path);
+JULIET_API bool8 IsAbsolutePath(String path);
 
-JULIET_API Path fs_create_clean_path(NonNullPtr<Arena> arena, String path);
+JULIET_API Path  fs_create_clean_path(Arena* arena, String path);
 
-JULIET_API bool fs_create_directory(String path, bool recursive);
+JULIET_API bool8 fs_create_directory(String path, bool8 recursive);
 
-JULIET_API bool fs_path_exists(String path);
+JULIET_API bool8 fs_path_exists(String path);
 
-JULIET_API bool fs_move_file(Path old_path, Path new_path);
+JULIET_API bool8 fs_move_file(Path old_path, Path new_path);
 
-JULIET_API bool fs_delete_file(String path);
+JULIET_API bool8 fs_delete_file(String path);
 
-using fs_iterate_director_callback = void (*)(Path path, bool is_director, void* user_payload);
+typedef void (*fs_iterate_director_callback)(Path path, bool8 is_director, void* user_payload);
-JULIET_API void fs_iterate_directory(Path directory_path, String extension, void* user_payload, fs_iterate_director_callback callback);
+JULIET_API void  fs_iterate_directory(Path directory_path, String extension, void* user_payload, fs_iterate_director_callback callback);

Juliet/include/Core/HAL/IO/IOStream.h

@@ -1,69 +1,69 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/String.h>
+#include <Core/HAL/Filesystem/Filesystem.h>
 #include <Juliet.h>
-#include "Core/HAL/Filesystem/Filesystem.h"
 
 // Opaque type
-struct IOStream;
+typedef struct IOStream            IOStream;
+typedef struct IOStreamDataPayload IOStreamDataPayload;
 
 struct IOStreamDataPayload
 {
+    uint8 unused;
 };
 
-enum class IOStreamStatus : uint8
+typedef uint8 IOStreamStatus;
+enum
 {
-    Ready,
+    IOStreamStatus_Ready = 0,
-    Error,
+    IOStreamStatus_Error,
-    EndOfFile,
+    IOStreamStatus_EndOfFile,
-    NotReady,
+    IOStreamStatus_NotReady,
-    ReadOnly,
+    IOStreamStatus_ReadOnly,
-    WriteOnly
+    IOStreamStatus_WriteOnly
 };
 
-enum class IOStreamSeekPivot : uint8
+typedef uint8 IOStreamSeekPivot;
+enum
 {
-    Begin,
+    IOStreamSeekPivot_Begin = 0,
-    Current,
+    IOStreamSeekPivot_Current,
-    End,
+    IOStreamSeekPivot_End,
-    Count
+    IOStreamSeekPivot_Count
 };
 
-// IOStream can be opened on a file or memory, or anything else.
+typedef struct IOStreamInterface IOStreamInterface;
-// Use the interface to make it transparent to the user.
 struct IOStreamInterface
 {
     uint32 Version;
 
-    int64 (*Size)(NonNullPtr<IOStreamDataPayload> data);
+    int64 (*Size)(IOStreamDataPayload* data);
 
-    int64 (*Seek)(NonNullPtr<IOStreamDataPayload> data, int64 offset, IOStreamSeekPivot pivot);
+    int64 (*Seek)(IOStreamDataPayload* data, int64 offset, IOStreamSeekPivot pivot);
-    size_t (*Read)(NonNullPtr<IOStreamDataPayload> data, void* outBuffer, size_t size, NonNullPtr<IOStreamStatus> status);
+    size_t (*Read)(IOStreamDataPayload* data, void* outBuffer, size_t size, IOStreamStatus* status);
-    size_t (*Write)(NonNullPtr<IOStreamDataPayload> data, ByteBuffer inBuffer, NonNullPtr<IOStreamStatus> status);
+    size_t (*Write)(IOStreamDataPayload* data, ByteBuffer inBuffer, IOStreamStatus* status);
-    bool (*Flush)(NonNullPtr<IOStreamDataPayload> data, NonNullPtr<IOStreamStatus> status);
+    bool8 (*Flush)(IOStreamDataPayload* data, IOStreamStatus* status);
 
-    bool (*Close)(NonNullPtr<IOStreamDataPayload> data);
+    bool8 (*Close)(IOStreamDataPayload* data);
 };
 
-extern JULIET_API IOStream* IOFromFile(NonNullPtr<Arena> arena, String filename, String mode);
+extern JULIET_API IOStream* IOFromFile(Arena* arena, String filename, String mode);
 
-// Let you use an interface to open any io. Is used internally by IOFromFile
+extern JULIET_API IOStream* IOFromInterface(Arena* arena, const IOStreamInterface* streamInterface,
-extern JULIET_API IOStream* IOFromInterface(NonNullPtr<Arena> arena, NonNullPtr<const IOStreamInterface> streamInterface,
+                                            IOStreamDataPayload* payload);
-                                            NonNullPtr<IOStreamDataPayload> payload);
 
-// Write formatted string into the stream.
+JULIET_API size_t     IOPrintf(IOStream* stream, const char* format, ...);
-JULIET_API size_t IOPrintf(NonNullPtr<IOStream> stream, _Printf_format_string_ const char* format, ...);
+JULIET_API size_t     IOWrite(IOStream* stream, ByteBuffer inBuffer);
-JULIET_API size_t IOWrite(NonNullPtr<IOStream> stream, ByteBuffer inBuffer);
 
-JULIET_API size_t IORead(NonNullPtr<IOStream> stream, void* ptr, size_t size);
+JULIET_API size_t     IORead(IOStream* stream, void* ptr, size_t size);
-JULIET_API int64  IOSeek(NonNullPtr<IOStream> stream, int64 offset, IOStreamSeekPivot pivot);
+JULIET_API int64      IOSeek(IOStream* stream, int64 offset, IOStreamSeekPivot pivot);
 
-JULIET_API int64 IOSize(NonNullPtr<IOStream> stream);
+JULIET_API int64      IOSize(IOStream* stream);
 
-JULIET_API ByteBuffer LoadFile(NonNullPtr<Arena> arena, String filename);
+JULIET_API ByteBuffer LoadFile(Arena* arena, String filename);
-JULIET_API ByteBuffer LoadFile(NonNullPtr<Arena> arena, NonNullPtr<IOStream> stream, bool closeStreamWhenDone);
+JULIET_API ByteBuffer LoadFileFromStream(Arena* arena, IOStream* stream, bool8 closeStreamWhenDone);
 
-JULIET_API size_t IO_atomic_file_write(Path filepath, ByteBuffer file_content);
+JULIET_API size_t     IO_atomic_file_write(Path filepath, ByteBuffer file_content);
 
-JULIET_API bool IOClose(NonNullPtr<IOStream> stream);
+JULIET_API bool8      IOClose(IOStream* stream);

Juliet/include/Core/HAL/Keyboard/KeyCode.h

@@ -1,188 +1,183 @@
-#pragma once
+#pragma once
 
-// Represents a Virtual Key corresponding to the Physical key, but localized using the keyboard layout
+#include <Core/Common/CoreTypes.h>
-// ScanCode reprensent US ASCII Keyboard
+
-// WASD Scan codes are ZQSD in KeyCode for French keyboard
+typedef uint32 KeyCode;
-// We use the ASCII value of the generated character as value, when possible.
+enum
-// Keys that do not produce a character are converted to an abritrary value high enough to not conflict
-// Reference: https://www.asciitable.com/
-// Reference: https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-6.0/aa299374(v=vs.60)
-enum class KeyCode : uint32
 {
-    Unknown          = 0x0,   // 0
+    KeyCode_Unknown          = 0x0u,
-    Unsupported      = 0x0,   // 0
+    KeyCode_Unsupported      = 0x0u,
-    Return           = 0X0Du, // '\r'
+    KeyCode_Return           = 0x0Du,
-    Escape           = 0X1Bu, // '\X1B'
+    KeyCode_Escape           = 0x1Bu,
-    Backspace        = 0X08u, // '\b'
+    KeyCode_Backspace        = 0x08u,
-    Tab              = 0X09u, // '\t'
+    KeyCode_Tab              = 0x09u,
-    Space            = 0X20u, // ' '
+    KeyCode_Space            = 0x20u,
-    ExclamationPoint = 0X21u, // '!'
+    KeyCode_ExclamationPoint = 0x21u,
-    DoubleApostrophe = 0X22u, // '"'
+    KeyCode_DoubleApostrophe = 0x22u,
-    Hash             = 0X23u, // '#'
+    KeyCode_Hash             = 0x23u,
-    Dollar           = 0X24u, // '$'
+    KeyCode_Dollar           = 0x24u,
-    Percent          = 0X25u, // '%'
+    KeyCode_Percent          = 0x25u,
-    Ampersand        = 0X26u, // '&'
+    KeyCode_Ampersand        = 0x26u,
-    Apostrophe       = 0X27u, // '\''
+    KeyCode_Apostrophe       = 0x27u,
-    LeftParenthesis  = 0X28u, // '('
+    KeyCode_LeftParenthesis  = 0x28u,
-    RightParenthesis = 0X29u, // ')'
+    KeyCode_RightParenthesis = 0x29u,
-    Asterisk         = 0X2Au, // '*'
+    KeyCode_Asterisk         = 0x2Au,
-    Plus             = 0X2Bu, // '+'
+    KeyCode_Plus             = 0x2Bu,
-    Comma            = 0X2Cu, // ','
+    KeyCode_Comma            = 0x2Cu,
-    Minus            = 0X2Du, // '-'
+    KeyCode_Minus            = 0x2Du,
-    Period           = 0X2Eu, // '.'
+    KeyCode_Period           = 0x2Eu,
-    Slash            = 0X2Fu, // '/'
+    KeyCode_Slash            = 0x2Fu,
-    Num0             = 0X30u, // '0'
+    KeyCode_Num0             = 0x30u,
-    Num1             = 0X31u, // '1'
+    KeyCode_Num1             = 0x31u,
-    Num2             = 0X32u, // '2'
+    KeyCode_Num2             = 0x32u,
-    Num3             = 0X33u, // '3'
+    KeyCode_Num3             = 0x33u,
-    Num4             = 0X34u, // '4'
+    KeyCode_Num4             = 0x34u,
-    Num5             = 0X35u, // '5'
+    KeyCode_Num5             = 0x35u,
-    Num6             = 0X36u, // '6'
+    KeyCode_Num6             = 0x36u,
-    Num7             = 0X37u, // '7'
+    KeyCode_Num7             = 0x37u,
-    Num8             = 0X38u, // '8'
+    KeyCode_Num8             = 0x38u,
-    Num9             = 0X39u, // '9'
+    KeyCode_Num9             = 0x39u,
-    Colon            = 0X3Au, // ':'
+    KeyCode_Colon            = 0x3Au,
-    Semicolon        = 0X3Bu, // ';'
+    KeyCode_Semicolon        = 0x3Bu,
-    LessThan         = 0X3Cu, // '<'
+    KeyCode_LessThan         = 0x3Cu,
-    Equals           = 0X3Du, // '='
+    KeyCode_Equals           = 0x3Du,
-    GreaterThan      = 0X3Eu, // '>'
+    KeyCode_GreaterThan      = 0x3Eu,
-    QuestionMark     = 0X3Fu, // '?'
+    KeyCode_QuestionMark     = 0x3Fu,
-    CommercialAt     = 0x40u, // '@'
+    KeyCode_CommercialAt     = 0x40u,
-    LeftBracket      = 0X5Bu, // '['
+    KeyCode_LeftBracket      = 0x5Bu,
-    Backslash        = 0X5Cu, // '\\'
+    KeyCode_Backslash        = 0x5Cu,
-    RightBracket     = 0X5DU, // ']'
+    KeyCode_RightBracket     = 0x5Du,
-    Caret            = 0X5Eu, // '^'
+    KeyCode_Caret            = 0x5Eu,
-    Underscore       = 0X5Fu, // '_'
+    KeyCode_Underscore       = 0x5Fu,
-    GraveAccent      = 0X60u, // '`'
+    KeyCode_GraveAccent      = 0x60u,
-    A                = 0x61u, // 'a'
+    KeyCode_A                = 0x61u,
-    B                = 0x62u, // 'b'
+    KeyCode_B                = 0x62u,
-    C                = 0x63u, // 'c'
+    KeyCode_C                = 0x63u,
-    D                = 0x64u, // 'd'
+    KeyCode_D                = 0x64u,
-    E                = 0x65u, // 'e'
+    KeyCode_E                = 0x65u,
-    F                = 0x66u, // 'f'
+    KeyCode_F                = 0x66u,
-    G                = 0x67u, // 'g'
+    KeyCode_G                = 0x67u,
-    H                = 0x68u, // 'h'
+    KeyCode_H                = 0x68u,
-    I                = 0x69u, // 'i'
+    KeyCode_I                = 0x69u,
-    J                = 0x6Au, // 'j'
+    KeyCode_J                = 0x6Au,
-    K                = 0x6Bu, // 'k'
+    KeyCode_K                = 0x6Bu,
-    L                = 0x6CU, // 'l'
+    KeyCode_L                = 0x6Cu,
-    M                = 0x6DU, // 'm'
+    KeyCode_M                = 0x6Du,
-    N                = 0x6Eu, // 'n'
+    KeyCode_N                = 0x6Eu,
-    O                = 0x6Fu, // 'o'
+    KeyCode_O                = 0x6Fu,
-    P                = 0x70u, // 'p'
+    KeyCode_P                = 0x70u,
-    Q                = 0x71u, // 'q'
+    KeyCode_Q                = 0x71u,
-    R                = 0x72u, // 'r'
+    KeyCode_R                = 0x72u,
-    S                = 0x73u, // 's'
+    KeyCode_S                = 0x73u,
-    T                = 0x74u, // 't'
+    KeyCode_T                = 0x74u,
-    U                = 0x75u, // 'y'
+    KeyCode_U                = 0x75u,
-    V                = 0x76u, // 'v'
+    KeyCode_V                = 0x76u,
-    W                = 0x77u, // 'w'
+    KeyCode_W                = 0x77u,
-    X                = 0x78u, // 'x'
+    KeyCode_X                = 0x78u,
-    Y                = 0x79u, // 'y'
+    KeyCode_Y                = 0x79u,
-    Z                = 0x7Au, // 'z'
+    KeyCode_Z                = 0x7Au,
-    LeftBrace        = 0x7BU, // '{'
+    KeyCode_LeftBrace        = 0x7Bu,
-    Pipe             = 0x7CU, // '|'
+    KeyCode_Pipe             = 0x7Cu,
-    RightBrace       = 0x7DU, // '}'
+    KeyCode_RightBrace       = 0x7Du,
-    Tilde            = 0x7Eu, // '~'
+    KeyCode_Tilde            = 0x7Eu,
-    Delete           = 0x7Fu, // '\x7F'
+    KeyCode_Delete           = 0x7Fu,
-    PlusMinus        = 0xb1u, // '\xB1'
+    KeyCode_PlusMinus        = 0xb1u,
 
-    // Keys not producing a character
+    KeyCode_CapsLock            = 0x40000039u,
-    // Based on SDL Algo: ScanCode | 0x40000000
+    KeyCode_F1                  = 0x4000003Au,
-    CapsLock            = 0x40000039u,
+    KeyCode_F2                  = 0x4000003Bu,
-    F1                  = 0x4000003Au,
+    KeyCode_F3                  = 0x4000003Cu,
-    F2                  = 0x4000003Bu,
+    KeyCode_F4                  = 0x4000003Du,
-    F3                  = 0x4000003CU,
+    KeyCode_F5                  = 0x4000003Eu,
-    F4                  = 0x4000003DU,
+    KeyCode_F6                  = 0x4000003Fu,
-    F5                  = 0x4000003Eu,
+    KeyCode_F7                  = 0x40000040u,
-    F6                  = 0x4000003Fu,
+    KeyCode_F8                  = 0x40000041u,
-    F7                  = 0x40000040u,
+    KeyCode_F9                  = 0x40000042u,
-    F8                  = 0x40000041u,
+    KeyCode_F10                 = 0x40000043u,
-    F9                  = 0x40000042u,
+    KeyCode_F11                 = 0x40000044u,
-    F10                 = 0x40000043u,
+    KeyCode_F12                 = 0x40000045u,
-    F11                 = 0x40000044u,
+    KeyCode_PrintScreen         = 0x40000046u,
-    F12                 = 0x40000045u,
+    KeyCode_ScrollLock          = 0x40000047u,
-    PrintScreen         = 0x40000046u,
+    KeyCode_Pause               = 0x40000048u,
-    ScrollLock          = 0x40000047u,
+    KeyCode_Insert              = 0x40000049u,
-    Pause               = 0x40000048u,
+    KeyCode_Home                = 0x4000004Au,
-    Insert              = 0x40000049u,
+    KeyCode_PageUp              = 0x4000004Bu,
-    Home                = 0x4000004Au,
+    KeyCode_End                 = 0x4000004Du,
-    PageUp              = 0x4000004Bu,
+    KeyCode_PageDown            = 0x4000004Eu,
-    End                 = 0x4000004DU,
+    KeyCode_RightArrow          = 0x4000004Fu,
-    PageDown            = 0x4000004Eu,
+    KeyCode_LeftArrow           = 0x40000050u,
-    RightArrow          = 0x4000004Fu,
+    KeyCode_DownArrow           = 0x40000051u,
-    LeftArrow           = 0x40000050u,
+    KeyCode_UpArrow             = 0x40000052u,
-    DownArrow           = 0x40000051u,
+    KeyCode_NumlockClear        = 0x40000053u,
-    UpArrow             = 0x40000052u,
+    KeyCode_KeyPad_Divide       = 0x40000054u,
-    NumlockClear        = 0x40000053u,
+    KeyCode_KeyPad_Multiply     = 0x40000055u,
-    KeyPad_Divide       = 0x40000054u,
+    KeyCode_KeyPad_Minus        = 0x40000056u,
-    KeyPad_Multiply     = 0x40000055u,
+    KeyCode_KeyPad_Plus         = 0x40000057u,
-    KeyPad_Minus        = 0x40000056u,
+    KeyCode_KeyPad_Enter        = 0x40000058u,
-    KeyPad_Plus         = 0x40000057u,
+    KeyCode_KeyPad_Num1         = 0x40000059u,
-    KeyPad_Enter        = 0x40000058u,
+    KeyCode_KeyPad_Num2         = 0x4000005Au,
-    KeyPad_Num1         = 0x40000059u,
+    KeyCode_KeyPad_Num3         = 0x4000005Bu,
-    KeyPad_Num2         = 0x4000005Au,
+    KeyCode_KeyPad_Num4         = 0x4000005Cu,
-    KeyPad_Num3         = 0x4000005Bu,
+    KeyCode_KeyPad_Num5         = 0x4000005Du,
-    KeyPad_Num4         = 0x4000005Cu,
+    KeyCode_KeyPad_Num6         = 0x4000005Eu,
-    KeyPad_Num5         = 0x4000005Du,
+    KeyCode_KeyPad_Num7         = 0x4000005Fu,
-    KeyPad_Num6         = 0x4000005Eu,
+    KeyCode_KeyPad_Num8         = 0x40000060u,
-    KeyPad_Num7         = 0x4000005Fu,
+    KeyCode_KeyPad_Num9         = 0x40000061u,
-    KeyPad_Num8         = 0x40000060u,
+    KeyCode_KeyPad_Num0         = 0x40000062u,
-    KeyPad_Num9         = 0x40000061u,
+    KeyCode_KeyPad_Period       = 0x40000063u,
-    KeyPad_Num0         = 0x40000062u,
+    KeyCode_Power               = 0x40000066u,
-    KeyPad_Period       = 0x40000063u,
+    KeyCode_KeyPad_Equals       = 0x40000067u,
-    Power               = 0x40000066u,
+    KeyCode_F13                 = 0x40000068u,
-    KeyPad_Equals       = 0x40000067u,
+    KeyCode_F14                 = 0x40000069u,
-    F13                 = 0x40000068u,
+    KeyCode_F15                 = 0x4000006Au,
-    F14                 = 0x40000069u,
+    KeyCode_F16                 = 0x4000006Bu,
-    F15                 = 0x4000006Au,
+    KeyCode_F17                 = 0x4000006Cu,
-    F16                 = 0x4000006Bu,
+    KeyCode_F18                 = 0x4000006Du,
-    F17                 = 0x4000006Cu,
+    KeyCode_F19                 = 0x4000006Eu,
-    F18                 = 0x4000006Du,
+    KeyCode_F20                 = 0x4000006Fu,
-    F19                 = 0x4000006Eu,
+    KeyCode_F21                 = 0x40000070u,
-    F20                 = 0x4000006Fu,
+    KeyCode_F22                 = 0x40000071u,
-    F21                 = 0x40000070u,
+    KeyCode_F23                 = 0x40000072u,
-    F22                 = 0x40000071u,
+    KeyCode_F24                 = 0x40000073u,
-    F23                 = 0x40000072u,
+    KeyCode_Mute                = 0x4000007Fu,
-    F24                 = 0x40000073u,
+    KeyCode_VolumeUp            = 0x40000080u,
-    Mute                = 0x4000007Fu,
+    KeyCode_VolumeDown          = 0x40000081u,
-    VolumeUp            = 0x40000080u,
+    KeyCode_KeyPad_Comma        = 0x40000085u,
-    VolumeDown          = 0x40000081u,
+    KeyCode_LeftControl         = 0x400000E0u,
-    KeyPad_Comma        = 0x40000085u,
+    KeyCode_LeftShift           = 0x400000E1u,
-    LeftControl         = 0x400000E0u,
+    KeyCode_LeftAlt             = 0x400000E2u,
-    LeftShift           = 0x400000E1u,
+    KeyCode_LeftOSCommand       = 0x400000E3u,
-    LeftAlt             = 0x400000E2u,
+    KeyCode_RightControl        = 0x400000E4u,
-    LeftOSCommand       = 0x400000E3u,
+    KeyCode_RightShift          = 0x400000E5u,
-    RightControl        = 0x400000E4u,
+    KeyCode_RightAlt            = 0x400000E6u,
-    RightShift          = 0x400000E5u,
+    KeyCode_RightOSCommand      = 0x400000E7u,
-    RightAlt            = 0x400000E6u,
+    KeyCode_Sleep               = 0x40000102u,
-    RightOSCommand      = 0x400000E7u,
+    KeyCode_WakeUp              = 0x40000103u,
-    Sleep               = 0x40000102u,
+    KeyCode_Media_NextTrack     = 0x4000010Bu,
-    WakeUp              = 0x40000103u,
+    KeyCode_Media_PreviousTrack = 0x4000010Cu,
-    Media_NextTrack     = 0x4000010Bu,
+    KeyCode_Media_Stop          = 0x4000010Du,
-    Media_PreviousTrack = 0x4000010Cu,
+    KeyCode_Media_Eject         = 0x4000010Eu,
-    Media_Stop          = 0x4000010Du,
+    KeyCode_Media_PlayPause     = 0x4000010Fu,
-    Media_Eject         = 0x4000010Eu,
+    KeyCode_Media_Select        = 0x40000110u,
-    Media_PlayPause     = 0x4000010Fu,
-    Media_Select        = 0x40000110u,
 };
 
-enum class KeyMod : uint16
+typedef uint16 KeyMod;
+enum
 {
-    None           = 0b0,
+    KeyMod_None           = 0x0000u,
-    LeftShift      = 0b0000'0000'0001u,
+    KeyMod_LeftShift      = 0x0001u,
-    RightShift     = 0b0000'0000'0010u,
+    KeyMod_RightShift     = 0x0002u,
-    LeftControl    = 0b0000'0000'0100u,
+    KeyMod_LeftControl    = 0x0004u,
-    RightControl   = 0b0000'0000'1000u,
+    KeyMod_RightControl   = 0x0008u,
-    LeftAlt        = 0b0000'0001'000u,
+    KeyMod_LeftAlt        = 0x0010u,
-    RightAlt       = 0b0000'0010'0000u,
+    KeyMod_RightAlt       = 0x0020u,
-    LeftOSCommand  = 0b0000'0100'0000u,
+    KeyMod_LeftOSCommand  = 0x0040u,
-    RightOSCommand = 0b0000'1000'0000u,
+    KeyMod_RightOSCommand = 0x0080u,
-    NumLock        = 0b0001'0000'0000u,
+    KeyMod_NumLock        = 0x0100u,
-    CapsLock       = 0b0010'0000'0000u,
+    KeyMod_CapsLock       = 0x0200u,
-    ScrollLock     = 0b0100'0000'0000u,
+    KeyMod_ScrollLock     = 0x0400u,
-    Control        = LeftControl | RightControl,
+    KeyMod_Control        = KeyMod_LeftControl | KeyMod_RightControl,
-    Shift          = LeftShift | RightShift,
+    KeyMod_Shift          = KeyMod_LeftShift | KeyMod_RightShift,
-    Alt            = LeftAlt | RightAlt,
+    KeyMod_Alt            = KeyMod_LeftAlt | KeyMod_RightAlt,
-    OSCommand      = LeftOSCommand | RightOSCommand,
+    KeyMod_OSCommand      = KeyMod_LeftOSCommand | KeyMod_RightOSCommand,
 };

Juliet/include/Core/HAL/Keyboard/Keyboard.h

@@ -1,23 +1,26 @@
-#pragma once
+#pragma once
 
 #include <Core/HAL/Keyboard/KeyCode.h>
 #include <Core/HAL/Keyboard/ScanCode.h>
 #include <Juliet.h>
 
-using KeyboardID = uint8;
+typedef uint8 KeyboardID;
 
-enum class KeyPosition : bool
+typedef bool8 KeyPosition;
+enum
 {
-    Up   = false,
+    KeyPosition_Up   = false,
-    Down = true
+    KeyPosition_Down = true
 };
 
+typedef struct KeyState KeyState;
 struct KeyState
 {
     KeyPosition Position;
     float       Time;
 };
 
+typedef struct Key Key;
 struct Key
 {
     ScanCode ScanCode;
@@ -25,8 +28,8 @@ struct Key
     uint16   Raw;
 };
 
-extern JULIET_API bool IsKeyDown(ScanCode scanCode);
+extern JULIET_API bool8   IsKeyDown(ScanCode scanCode);
-extern JULIET_API bool IsKeyPressed(ScanCode scanCode);
+extern JULIET_API bool8   IsKeyPressed(ScanCode scanCode);
 
-extern JULIET_API KeyMod  GetKeyModState();
+extern JULIET_API KeyMod  GetKeyModState(void);
 extern JULIET_API KeyCode GetKeyCodeFromScanCode(ScanCode scanCode, KeyMod keyModState);

Juliet/include/Core/HAL/Keyboard/ScanCode.h

@@ -1,183 +1,180 @@
-#pragma once
+#pragma once
 
-// Follow the HID Usage page for USB
+#include <Core/Common/CoreTypes.h>
-// https://usb.org/sites/default/files/hut1_5.pdf
+
-// 0 to 256 Is dedicated to Keyboard Usage Page (0x07)
+typedef uint16 ScanCode;
-// 257 to 286 Is dedicated to Consumer Usage Page (0xC)
+enum
-// 287 to 511 Is not implemented. Could be used for Mobile or Consoles
-// ScanCode reprensent Physical Keys and Buttons
-enum class ScanCode : uint16
 {
-    Unknown     = 0,
+    ScanCode_Unknown     = 0,
-    Unsupported = 0,
+    ScanCode_Unsupported = 0,
 
-    A = 4,
+    ScanCode_A = 4,
-    B = 5,
+    ScanCode_B = 5,
-    C = 6,
+    ScanCode_C = 6,
-    D = 7,
+    ScanCode_D = 7,
-    E = 8,
+    ScanCode_E = 8,
-    F = 9,
+    ScanCode_F = 9,
-    G = 10,
+    ScanCode_G = 10,
-    H = 11,
+    ScanCode_H = 11,
-    I = 12,
+    ScanCode_I = 12,
-    J = 13,
+    ScanCode_J = 13,
-    K = 14,
+    ScanCode_K = 14,
-    L = 15,
+    ScanCode_L = 15,
-    M = 16,
+    ScanCode_M = 16,
-    N = 17,
+    ScanCode_N = 17,
-    O = 18,
+    ScanCode_O = 18,
-    P = 19,
+    ScanCode_P = 19,
-    Q = 20,
+    ScanCode_Q = 20,
-    R = 21,
+    ScanCode_R = 21,
-    S = 22,
+    ScanCode_S = 22,
-    T = 23,
+    ScanCode_T = 23,
-    U = 24,
+    ScanCode_U = 24,
-    V = 25,
+    ScanCode_V = 25,
-    W = 26,
+    ScanCode_W = 26,
-    X = 27,
+    ScanCode_X = 27,
-    Y = 28,
+    ScanCode_Y = 28,
-    Z = 29,
+    ScanCode_Z = 29,
 
-    Num1 = 30,
+    ScanCode_Num1 = 30,
-    Num2 = 31,
+    ScanCode_Num2 = 31,
-    Num3 = 32,
+    ScanCode_Num3 = 32,
-    Num4 = 33,
+    ScanCode_Num4 = 33,
-    Num5 = 34,
+    ScanCode_Num5 = 34,
-    Num6 = 35,
+    ScanCode_Num6 = 35,
-    Num7 = 36,
+    ScanCode_Num7 = 36,
-    Num8 = 37,
+    ScanCode_Num8 = 37,
-    Num9 = 38,
+    ScanCode_Num9 = 38,
-    Num0 = 39,
+    ScanCode_Num0 = 39,
 
-    Return    = 40,
+    ScanCode_Return    = 40,
-    Escape    = 41,
+    ScanCode_Escape    = 41,
-    Backspace = 42,
+    ScanCode_Backspace = 42,
-    Tab       = 43,
+    ScanCode_Tab       = 43,
-    Space     = 44,
+    ScanCode_Space     = 44,
 
-    Minus        = 45,
+    ScanCode_Minus        = 45,
-    Equals       = 46,
+    ScanCode_Equals       = 46,
-    LeftBracket  = 47,
+    ScanCode_LeftBracket  = 47,
-    RightBracket = 48,
+    ScanCode_RightBracket = 48,
-    Backslash    = 49,
+    ScanCode_Backslash    = 49,
-    NonUSHash    = 50, // Same as 49 but for ISO keyboards
+    ScanCode_NonUSHash    = 50,
-    Semicolon    = 51,
+    ScanCode_Semicolon    = 51,
-    Apostrophe   = 52,
+    ScanCode_Apostrophe   = 52,
-    GraveAccent  = 53,
+    ScanCode_GraveAccent  = 53,
-    Comma        = 54,
+    ScanCode_Comma        = 54,
-    Period       = 55,
+    ScanCode_Period       = 55,
-    Slash        = 56,
+    ScanCode_Slash        = 56,
-    CapsLock     = 57,
+    ScanCode_CapsLock     = 57,
 
-    F1  = 58,
+    ScanCode_F1  = 58,
-    F2  = 59,
+    ScanCode_F2  = 59,
-    F3  = 60,
+    ScanCode_F3  = 60,
-    F4  = 61,
+    ScanCode_F4  = 61,
-    F5  = 62,
+    ScanCode_F5  = 62,
-    F6  = 63,
+    ScanCode_F6  = 63,
-    F7  = 64,
+    ScanCode_F7  = 64,
-    F8  = 65,
+    ScanCode_F8  = 65,
-    F9  = 66,
+    ScanCode_F9  = 66,
-    F10 = 67,
+    ScanCode_F10 = 67,
-    F11 = 68,
+    ScanCode_F11 = 68,
-    F12 = 69,
+    ScanCode_F12 = 69,
 
-    PrintScreen = 70,
+    ScanCode_PrintScreen = 70,
-    ScrollLock  = 71,
+    ScanCode_ScrollLock  = 71,
-    Pause       = 72,
+    ScanCode_Pause       = 72,
-    Insert      = 73,
+    ScanCode_Insert      = 73,
 
-    Home       = 74,
+    ScanCode_Home       = 74,
-    PageUp     = 75,
+    ScanCode_PageUp     = 75,
-    Delete     = 76,
+    ScanCode_Delete     = 76,
-    End        = 77,
+    ScanCode_End        = 77,
-    PageDown   = 78,
+    ScanCode_PageDown   = 78,
-    RightArrow = 79,
+    ScanCode_RightArrow = 79,
-    LeftArrow  = 80,
+    ScanCode_LeftArrow  = 80,
-    DownArrow  = 81,
+    ScanCode_DownArrow  = 81,
-    UpArrow    = 82,
+    ScanCode_UpArrow    = 82,
 
-    NumlockClear = 83, // Pc = Numlock / Mac = Clear
+    ScanCode_NumlockClear = 83,
 
-    KeyPad_Divide   = 84,
+    ScanCode_KeyPad_Divide   = 84,
-    KeyPad_Multiply = 85,
+    ScanCode_KeyPad_Multiply = 85,
-    KeyPad_Minus    = 86,
+    ScanCode_KeyPad_Minus    = 86,
-    KeyPad_Plus     = 87,
+    ScanCode_KeyPad_Plus     = 87,
-    KeyPad_Enter    = 88,
+    ScanCode_KeyPad_Enter    = 88,
-    KeyPad_Num1     = 89,
+    ScanCode_KeyPad_Num1     = 89,
-    KeyPad_Num2     = 90,
+    ScanCode_KeyPad_Num2     = 90,
-    KeyPad_Num3     = 91,
+    ScanCode_KeyPad_Num3     = 91,
-    KeyPad_Num4     = 92,
+    ScanCode_KeyPad_Num4     = 92,
-    KeyPad_Num5     = 93,
+    ScanCode_KeyPad_Num5     = 93,
-    KeyPad_Num6     = 94,
+    ScanCode_KeyPad_Num6     = 94,
-    KeyPad_Num7     = 95,
+    ScanCode_KeyPad_Num7     = 95,
-    KeyPad_Num8     = 96,
+    ScanCode_KeyPad_Num8     = 96,
-    KeyPad_Num9     = 97,
+    ScanCode_KeyPad_Num9     = 97,
-    KeyPad_Num0     = 98,
+    ScanCode_KeyPad_Num0     = 98,
-    KeyPad_Period   = 99,
+    ScanCode_KeyPad_Period   = 99,
 
-    NonUSBackslash = 100, // ISO keyboards only
+    ScanCode_NonUSBackslash = 100,
-    Power          = 102, // Some mac have a Power key
+    ScanCode_Power          = 102,
 
-    KeyPad_Equals = 103,
+    ScanCode_KeyPad_Equals = 103,
-    F13           = 104,
+    ScanCode_F13           = 104,
-    F14           = 105,
+    ScanCode_F14           = 105,
-    F15           = 106,
+    ScanCode_F15           = 106,
-    F16           = 107,
+    ScanCode_F16           = 107,
-    F17           = 108,
+    ScanCode_F17           = 108,
-    F18           = 109,
+    ScanCode_F18           = 109,
-    F19           = 110,
+    ScanCode_F19           = 110,
-    F20           = 111,
+    ScanCode_F20           = 111,
-    F21           = 112,
+    ScanCode_F21           = 112,
-    F22           = 113,
+    ScanCode_F22           = 113,
-    F23           = 114,
+    ScanCode_F23           = 114,
-    F24           = 115,
+    ScanCode_F24           = 115,
 
-    Mute       = 127,
+    ScanCode_Mute       = 127,
-    VolumeUp   = 128,
+    ScanCode_VolumeUp   = 128,
-    VolumeDown = 129,
+    ScanCode_VolumeDown = 129,
 
-    KeyPad_Comma = 133,
+    ScanCode_KeyPad_Comma = 133,
 
-    International1 = 135, // Mostly used on Asian keyboards
+    ScanCode_International1 = 135,
-    International2 = 136,
+    ScanCode_International2 = 136,
-    International3 = 137, // Yen Symbol
+    ScanCode_International3 = 137,
-    International4 = 138,
+    ScanCode_International4 = 138,
-    International5 = 139,
+    ScanCode_International5 = 139,
-    International6 = 140,
+    ScanCode_International6 = 140,
-    International7 = 141,
+    ScanCode_International7 = 141,
-    International8 = 142,
+    ScanCode_International8 = 142,
-    International9 = 143,
+    ScanCode_International9 = 143,
-    Lang1          = 144, // Hangul (Korean)
+    ScanCode_Lang1          = 144,
-    Lang2          = 145, // Hanja (Korean)
+    ScanCode_Lang2          = 145,
-    Lang3          = 146, // Katakana (Japanese)
+    ScanCode_Lang3          = 146,
-    Lang4          = 147, // Hiragana (Japanese)
+    ScanCode_Lang4          = 147,
-    Lang5          = 148, // Zenkaku/Hankaku (Japanese)
+    ScanCode_Lang5          = 148,
-    Lang6          = 149, // Unused
+    ScanCode_Lang6          = 149,
-    Lang7          = 150, // Unused
+    ScanCode_Lang7          = 150,
-    Lang8          = 151, // Unused
+    ScanCode_Lang8          = 151,
-    Lang9          = 152, // Unused
+    ScanCode_Lang9          = 152,
 
-    LeftControl    = 224,
+    ScanCode_LeftControl    = 224,
-    LeftShift      = 225,
+    ScanCode_LeftShift      = 225,
-    LeftAlt        = 226, // Alt for PC, Option for Mac
+    ScanCode_LeftAlt        = 226,
-    LeftOSCommand  = 227, // Window key for PC, Command for Mac
+    ScanCode_LeftOSCommand  = 227,
-    RightControl   = 228,
+    ScanCode_RightControl   = 228,
-    RightShift     = 229,
+    ScanCode_RightShift     = 229,
-    RightAlt       = 230, // Alt Gr for PC, Option for Mac
+    ScanCode_RightAlt       = 230,
-    RightOSCommand = 231, // Window key for PC, Command for Mac
+    ScanCode_RightOSCommand = 231,
 
-    Sleep  = 258,
+    ScanCode_Sleep  = 258,
-    WakeUp = 259,
+    ScanCode_WakeUp = 259,
 
-    Media_NextTrack     = 267,
+    ScanCode_Media_NextTrack     = 267,
-    Media_PreviousTrack = 268,
+    ScanCode_Media_PreviousTrack = 268,
-    Media_Stop          = 269,
+    ScanCode_Media_Stop          = 269,
-    Media_Eject         = 270,
+    ScanCode_Media_Eject         = 270,
-    Media_PlayPause     = 271,
+    ScanCode_Media_PlayPause     = 271,
-    Media_Select        = 272,
+    ScanCode_Media_Select        = 272,
 
-    Reserved = 287,
+    ScanCode_Reserved = 287,
 
-    Count = 512
+    ScanCode_Count = 512
 };

Juliet/include/Core/HAL/Mouse/Mouse.h

@@ -1,25 +1,29 @@
-#pragma once
+#pragma once
 
-using MouseID = uint8;
+#include <Core/Common/CoreTypes.h>
+#include <Juliet.h>
 
-enum class MouseButton : uint8
+typedef uint8 MouseID;
+
+typedef uint8 MouseButton;
+enum
 {
-    None    = 0,
+    MouseButton_None    = 0,
-    Left    = 1 << 0,
+    MouseButton_Left    = 1 << 0,
-    Right   = 1 << 1,
+    MouseButton_Right   = 1 << 1,
-    Middle  = 1 << 2,
+    MouseButton_Middle  = 1 << 2,
-    Button1 = 1 << 3,
+    MouseButton_Button1 = 1 << 3,
-    Button2 = 1 << 4,
+    MouseButton_Button2 = 1 << 4,
 };
 
-// TODO : Replace by Vector2f
+typedef struct MousePosition MousePosition;
 struct MousePosition
 {
     float X;
     float Y;
 };
 
-JULIET_API extern bool          IsMouseButtonDown(MouseButton button);
+JULIET_API extern bool8         IsMouseButtonDown(MouseButton button);
-JULIET_API extern MousePosition GetMousePosition();
+JULIET_API extern MousePosition GetMousePosition(void);
-JULIET_API extern MousePosition GetMouseDelta();
+JULIET_API extern MousePosition GetMouseDelta(void);
-JULIET_API extern MouseButton   GetMouseButtonState();
+JULIET_API extern MouseButton   GetMouseButtonState(void);

Juliet/include/Core/HAL/OS/OS.h

@@ -1,52 +1,23 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/String.h>
 #include <Core/Memory/MemoryArena.h>
 
-namespace Memory
+Byte* OS_Reserve(size_t size);
-{
+bool8 OS_Commit(void* ptr, size_t size);
-    Byte* OS_Reserve(size_t size);
+void  OS_Release(void* ptr, size_t size);
-    bool  OS_Commit(Byte* ptr, size_t size);
-    void  OS_Release(Byte* ptr, size_t size);
 
-    template <typename Type>
+uint64 Time_Timestamp(void);
-    Type* OS_Reserve(size_t size)
+void   Time_ComputeDeltaTime(void);
-    {
+float  Time_GetDeltaTime(void);
-        return reinterpret_cast<Type*>(OS_Reserve(size));
+uint64 Time_GetFrameNumber(void);
-    }
 
-    template <typename Type>
+JULIET_API bool8 Debug_IsDebuggerPresent(void);
-    bool OS_Commit(Type* ptr, size_t size)
-    {
-        return OS_Commit(reinterpret_cast<Byte*>(ptr), size);
-    }
 
-    template <typename Type>
+String os_get_env_var(Arena* arena, String name);
-    void OS_Release(Type* ptr, size_t size)
+void   os_set_env_var(String name, String value);
-    {
-        OS_Release(reinterpret_cast<Byte*>(ptr), size);
-    }
 
-} // namespace Memory
+String os_get_username(Arena* arena);
 
-namespace Time
+typedef int (*EntryPointFunc)(int, wchar_t**);
-{
-    uint64 Timestamp();
-    void   ComputeDeltaTime();
-    float  GetDeltaTime();
-    uint64 GetFrameNumber();
-} // namespace Time
-
-namespace Debug
-{
-    JULIET_API bool IsDebuggerPresent();
-} // namespace Debug
-
-String os_get_env_var(NonNullPtr<Arena> arena, const String& name);
-void   os_set_env_var(const String& name, const String& value);
-
-String os_get_username(NonNullPtr<Arena> arena);
-
-using EntryPointFunc = int (*)(int, wchar_t**);
 JULIET_API int Bootstrap(EntryPointFunc entryPointFunc, int argc, wchar_t** argv);

Juliet/include/Core/HotReload/HotReload.h

@@ -1,9 +1,9 @@
-#pragma once
+#pragma once
 
 #include <Core/Common/String.h>
 
-// Fwd Declare
+typedef struct DynamicLibrary DynamicLibrary;
-struct DynamicLibrary;
+typedef struct HotReloadCode  HotReloadCode;
 
 struct HotReloadCode
 {
@@ -21,15 +21,15 @@ struct HotReloadCode
 
     uint32 UniqueID;
 
-    bool IsValid : 1;
+    bool8 IsValid;
 };
 
-extern JULIET_API void InitHotReloadCode(NonNullPtr<Arena> arena, HotReloadCode& code, String dllName,
+extern JULIET_API void  InitHotReloadCode(Arena* arena, HotReloadCode* code, String dllName,
-                                         String transientDllName, String lockFilename);
+                                          String transientDllName, String lockFilename);
-extern JULIET_API void ShutdownHotReloadCode(HotReloadCode& code);
+extern JULIET_API void  ShutdownHotReloadCode(HotReloadCode* code);
 
-extern JULIET_API void LoadCode(HotReloadCode& code);
+extern JULIET_API void  LoadCode(HotReloadCode* code);
-extern JULIET_API void UnloadCode(HotReloadCode& code);
+extern JULIET_API void  UnloadCode(HotReloadCode* code);
 
-extern JULIET_API void ReloadCode(HotReloadCode& code);
+extern JULIET_API void  ReloadCode(HotReloadCode* code);
-extern JULIET_API bool ShouldReloadCode(const HotReloadCode& code);
+extern JULIET_API bool8 ShouldReloadCode(const HotReloadCode* code);

Juliet/include/Core/ImGui/ImGuiService.h

@@ -1,27 +1,24 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
+#include <Core/Common/CoreTypes.h>
+#include <Juliet.h>
 
 #ifdef JULIET_ENABLE_IMGUI
 
-struct ImGuiContext;
+typedef struct ImGuiContext   ImGuiContext;
+typedef struct Window         Window;
+typedef struct GraphicsDevice GraphicsDevice;
 
-struct Window;
+JULIET_API void          ImGuiService_Initialize(Window* window);
-struct GraphicsDevice;
+JULIET_API void          ImGuiService_Shutdown(void);
 
-namespace ImGuiService
+JULIET_API void          ImGuiService_NewFrame(void);
-{
+JULIET_API void          ImGuiService_Render(void);
-    JULIET_API void Initialize(NonNullPtr<Window> window);
-    JULIET_API void Shutdown();
 
-    JULIET_API void NewFrame();
+JULIET_API bool8         ImGuiService_IsInitialized(void);
-    JULIET_API void Render();
+JULIET_API ImGuiContext* ImGuiService_GetContext(void);
 
-    JULIET_API bool          IsInitialized();
+// Run internal unit tests
-    JULIET_API ImGuiContext* GetContext();
+JULIET_API void          ImGuiService_RunTests(void);
-
-    // Run internal unit tests
-    JULIET_API void RunTests();
-} // namespace ImGuiService
 
 #endif // JULIET_ENABLE_IMGUI

Juliet/include/Core/ImGui/ImGuiTests.h

@@ -1,12 +1,5 @@
-#pragma once
+#pragma once
-
-#include <Core/Common/NonNullPtr.h>
-#include <Core/HAL/Display/Window.h>
-#include <Graphics/GraphicsDevice.h>
 
 #include <Juliet.h>
 
-namespace UnitTest
+void UnitTest_TestImGui(void);
-{
-    void TestImGui();
-}

Juliet/include/Core/JulietInit.h

@@ -1,21 +1,26 @@
-#pragma once
+#pragma once
 
-enum class JulietInit_Flags : uint8
+#include <Core/Common/CoreTypes.h>
+
+typedef uint8 JulietInit_Flags;
+enum
 {
-    None    = 0,
+    JulietInit_Flags_None    = 0,
-    Display = 1 << 0,
+    JulietInit_Flags_Display = 1 << 0,
-    Audio   = 1 << 1,
+    JulietInit_Flags_Audio   = 1 << 1,
-    Count   = Audio,
+    JulietInit_Flags_Count   = JulietInit_Flags_Audio,
-    All     = 0xFb
+    JulietInit_Flags_All     = 0xFbu
 };
 
-struct Arena;
+typedef struct Arena     Arena;
+typedef struct GameState GameState;
+typedef struct GameData  GameData;
 
 struct GameData
 {
-    struct GameState* GameState;
+    GameState* GameState;
-    Arena*            ScratchArena;
+    Arena*     ScratchArena;
 };
 
 void JulietInit(JulietInit_Flags flags);
-void JulietShutdown();
+void JulietShutdown(void);

Juliet/include/Core/Logging/LogManager.h

@@ -1,21 +1,13 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
+#include <Core/Logging/LogTypes.h>
 #include <Core/Memory/MemoryArena.h>
 
-// TODO : Juliet strings
+extern void JULIET_API InitializeLogManager(void);
-// TODO Juliet Containers + Allocators...
+extern void JULIET_API ShutdownLogManager(void);
-// TODO: Juliet chrono, because it prevents me from doing #define global static
 
-enum class LogLevel : uint8;
+extern void JULIET_API LogScopeBegin(void);
-enum class LogCategory : uint8;
+extern void JULIET_API LogScopeEnd(void);
-
-extern void JULIET_API InitializeLogManager();
-extern void JULIET_API ShutdownLogManager();
-
-extern void JULIET_API LogScopeBegin();
-// TODO everything that happened in there to export them to file or something
-extern void JULIET_API LogScopeEnd();
 
 extern void JULIET_API Log(LogLevel level, LogCategory category, const char* fmt, ...);
 extern void JULIET_API LogDebug(LogCategory category, const char* fmt, ...);

Juliet/include/Core/Logging/LogTypes.h

@@ -1,19 +1,23 @@
-#pragma once
+#pragma once
 
-enum class LogLevel : uint8
+#include <Core/Common/CoreTypes.h>
+
+typedef uint8 LogLevel;
+enum
 {
-    Debug   = 0,
+    LogLevel_Debug   = 0,
-    Message = 1,
+    LogLevel_Message = 1,
-    Warning = 2,
+    LogLevel_Warning = 2,
-    Error   = 3,
+    LogLevel_Error   = 3,
 };
 
-enum class LogCategory : uint8
+typedef uint8 LogCategory;
+enum
 {
-    Core       = 0,
+    LogCategory_Core       = 0,
-    Graphics   = 1,
+    LogCategory_Graphics   = 1,
-    Networking = 2,
+    LogCategory_Networking = 2,
-    Engine     = 3,
+    LogCategory_Engine     = 3,
-    Tool       = 4,
+    LogCategory_Tool       = 4,
-    Game       = 5,
+    LogCategory_Game       = 5,
 };

Juliet/include/Core/Main.h

@@ -1,8 +1,8 @@
-#pragma once
+#pragma once
 
 #include <Core/HAL/OS/OS.h>
 
-extern int JulietMain(int, wchar_t**);
+extern int JulietMain(int argc, wchar_t** argv);
 
 #if JULIET_WIN32
 #ifndef WINAPI
@@ -17,12 +17,10 @@ int wmain(int argc, wchar_t** argv)
 #else
 int main(int argc, char** argv)
 {
-    return Bootstrap(JulietMain, argc, argv);
+    return Bootstrap(JulietMain, argc, (wchar_t**)argv);
 }
 #endif
 
-extern "C" {
-
 typedef struct HINSTANCE__* HINSTANCE;
 typedef char*               LPSTR;
 typedef wchar_t*            PWSTR;
@@ -40,7 +38,6 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw)
 
     return Bootstrap(JulietMain, __argc, __wargv);
 }
-}
 #else
 #error "Only windows main is implemented"
 #endif

Juliet/include/Core/Math/MathUtils.h

@@ -1,46 +1,17 @@
-#pragma once
+#pragma once
+
+#include <Juliet.h>
+#include <Core/Common/CoreTypes.h>
 
 extern JULIET_API float RoundF(float value);
 
-inline int32 LRoundF(float value)
+static inline int32 LRoundF(float value)
 {
-    return static_cast<int32>(RoundF(value));
+    return (int32)RoundF(value);
 }
 
-template <typename Type>
+#define Min(lhs, rhs)         (((rhs) < (lhs)) ? (rhs) : (lhs))
-constexpr Type Min(Type lhs, Type rhs)
+#define Max(lhs, rhs)         (((lhs) < (rhs)) ? (rhs) : (lhs))
-{
+#define ClampTop(value, X)    Min((value), (X))
-    return rhs < lhs ? rhs : lhs;
+#define ClampBottom(value, X) Max((value), (X))
-}
+#define Clamp(val, min_v, max_v) (((val) < (min_v)) ? (min_v) : (((val) > (max_v)) ? (max_v) : (val)))
-
-template <typename Type>
-constexpr Type Max(Type lhs, Type rhs)
-{
-    return lhs < rhs ? rhs : lhs;
-}
-
-template <typename Type>
-constexpr Type ClampTop(Type value, Type X)
-{
-    return Min(value, X);
-}
-
-template <typename Type>
-constexpr Type ClampBottom(Type value, Type X)
-{
-    return Max(value, X);
-}
-
-template <typename Type>
-constexpr Type Clamp(Type val, Type min, Type max)
-{
-    if (val < min)
-    {
-        return min;
-    }
-    if (val > max)
-    {
-        return max;
-    }
-    return val;
-}

Juliet/include/Core/Math/Matrix.h

@@ -1,16 +1,17 @@
-#pragma once
+#pragma once
 
 #include <Core/Math/Vector.h>
 #include <math.h>
 
+typedef struct Matrix Matrix;
 struct Matrix
 {
     float m[4][4];
 };
 
-[[nodiscard]] inline Matrix MatrixIdentity()
+static inline Matrix MatrixIdentity(void)
 {
-    Matrix result = {};
+    Matrix result  = { 0 };
     result.m[0][0] = 1.0f;
     result.m[1][1] = 1.0f;
     result.m[2][2] = 1.0f;
@@ -18,9 +19,9 @@ struct Matrix
     return result;
 }
 
-[[nodiscard]] inline Matrix operator*(const Matrix& lhs, const Matrix& rhs)
+static inline Matrix MatrixMultiply(Matrix lhs, Matrix rhs)
 {
-    Matrix result = {};
+    Matrix result = { 0 };
     for (int i = 0; i < 4; ++i)
     {
         for (int j = 0; j < 4; ++j)
@@ -34,80 +35,80 @@ struct Matrix
     return result;
 }
 
-[[nodiscard]] inline Matrix MatrixTranslation(float x, float y, float z)
+static inline Matrix MatrixTranslation(float x, float y, float z)
 {
-    Matrix result = MatrixIdentity();
+    Matrix result  = MatrixIdentity();
     result.m[0][3] = x;
     result.m[1][3] = y;
     result.m[2][3] = z;
     return result;
 }
 
-[[nodiscard]] inline Matrix MatrixScale(float x, float y, float z)
+static inline Matrix MatrixScale(float x, float y, float z)
 {
-    Matrix result = MatrixIdentity();
+    Matrix result  = MatrixIdentity();
     result.m[0][0] = x;
     result.m[1][1] = y;
     result.m[2][2] = z;
     return result;
 }
 
-[[nodiscard]] inline Matrix MatrixRotationX(float radians)
+static inline Matrix MatrixRotationX(float radians)
 {
-    float c = cosf(radians);
+    float  c       = cosf(radians);
-    float s = sinf(radians);
+    float  s       = sinf(radians);
-    Matrix result = MatrixIdentity();
+    Matrix result  = MatrixIdentity();
-    result.m[1][1] =  c;
+    result.m[1][1] = c;
     result.m[1][2] = -s;
-    result.m[2][1] =  s;
+    result.m[2][1] = s;
-    result.m[2][2] =  c;
+    result.m[2][2] = c;
     return result;
 }
 
-[[nodiscard]] inline Matrix MatrixRotationY(float radians)
+static inline Matrix MatrixRotationY(float radians)
 {
-    float c = cosf(radians);
+    float  c       = cosf(radians);
-    float s = sinf(radians);
+    float  s       = sinf(radians);
-    Matrix result = MatrixIdentity();
+    Matrix result  = MatrixIdentity();
-    result.m[0][0] =  c;
+    result.m[0][0] = c;
-    result.m[0][2] =  s;
+    result.m[0][2] = s;
     result.m[2][0] = -s;
-    result.m[2][2] =  c;
+    result.m[2][2] = c;
     return result;
 }
 
-[[nodiscard]] inline Matrix MatrixRotationZ(float radians)
+static inline Matrix MatrixRotationZ(float radians)
 {
-    float c = cosf(radians);
+    float  c       = cosf(radians);
-    float s = sinf(radians);
+    float  s       = sinf(radians);
-    Matrix result = MatrixIdentity();
+    Matrix result  = MatrixIdentity();
-    result.m[0][0] =  c;
+    result.m[0][0] = c;
     result.m[0][1] = -s;
-    result.m[1][0] =  s;
+    result.m[1][0] = s;
-    result.m[1][1] =  c;
+    result.m[1][1] = c;
     return result;
 }
 
-inline void MatrixTranslate(Matrix& m, const Vector3& v)
+static inline void MatrixTranslate(Matrix* m, Vector3 v)
 {
-    m.m[0][3] += v.x;
+    m->m[0][3] += v.x;
-    m.m[1][3] += v.y;
+    m->m[1][3] += v.y;
-    m.m[2][3] += v.z;
+    m->m[2][3] += v.z;
 }
 
-[[nodiscard]] inline Matrix MatrixRotation(float x, float y, float z)
+static inline Matrix MatrixRotation(float x, float y, float z)
 {
-    return MatrixRotationX(x) * MatrixRotationY(y) * MatrixRotationZ(z);
+    return MatrixMultiply(MatrixMultiply(MatrixRotationX(x), MatrixRotationY(y)), MatrixRotationZ(z));
 }
 
-inline Matrix LookAt(const Vector3& eye, const Vector3& target, const Vector3& up)
+static inline Matrix LookAt(Vector3 eye, Vector3 target, Vector3 up)
 {
     // Left-Handed convention
-    Vector3 zaxis = Normalize(target - eye); // Forward is +z
+    Vector3 zaxis = Normalize(Vector3Sub(target, eye)); // Forward is +z
     Vector3 xaxis = Normalize(Cross(up, zaxis));
     Vector3 yaxis = Cross(zaxis, xaxis);
 
-    Matrix result = {};
+    Matrix result = { 0 };
     // Row 0
     result.m[0][0] = xaxis.x;
     result.m[0][1] = xaxis.y;
@@ -132,25 +133,25 @@ inline Matrix LookAt(const Vector3& eye, const Vector3& target, const Vector3& u
     return result;
 }
 
-inline Matrix PerspectiveFov(float fovY, float aspectRatio, float nearZ, float farZ)
+static inline Matrix PerspectiveFov(float fovY, float aspectRatio, float nearZ, float farZ)
 {
     // Left-Handed Perspective
     float yScale = 1.0f / tanf(fovY * 0.5f);
     float xScale = yScale / aspectRatio;
 
-    Matrix result = {};
+    Matrix result  = { 0 };
-    result.m[0][0]  = xScale;
+    result.m[0][0] = xScale;
-    result.m[1][1]  = yScale;
+    result.m[1][1] = yScale;
-    result.m[2][2]  = farZ / (farZ - nearZ);
+    result.m[2][2] = farZ / (farZ - nearZ);
-    result.m[2][3]  = (-nearZ * farZ) / (farZ - nearZ);
+    result.m[2][3] = (-nearZ * farZ) / (farZ - nearZ);
-    result.m[3][2]  = 1.0f;
+    result.m[3][2] = 1.0f;
-    result.m[3][3]  = 0.0f;
+    result.m[3][3] = 0.0f;
     return result;
 }
 
-[[nodiscard]] inline Matrix MatrixInverse(const Matrix& m)
+static inline Matrix MatrixInverse(Matrix m)
 {
-    Matrix out = {};
+    Matrix out = { 0 };
 
     float m00 = m.m[0][0], m01 = m.m[0][1], m02 = m.m[0][2], m03 = m.m[0][3];
     float m10 = m.m[1][0], m11 = m.m[1][1], m12 = m.m[1][2], m13 = m.m[1][3];
@@ -183,8 +184,12 @@ inline Matrix PerspectiveFov(float fovY, float aspectRatio, float nearZ, float f
     {
         float invDet = 1.0f / det;
         for (int r = 0; r < 4; ++r)
+        {
             for (int c = 0; c < 4; ++c)
+            {
                 out.m[r][c] *= invDet;
+            }
+        }
     }
 
     return out;

Juliet/include/Core/Math/Shape.h

@@ -1,6 +1,11 @@
-#pragma once
+#pragma once
 
-struct Rectangle
+#include <Core/Common/CoreTypes.h>
+
+#define Rectangle JulietRectangle
+
+typedef struct JulietRectangle JulietRectangle;
+struct JulietRectangle
 {
     int32 X;
     int32 Y;

Juliet/include/Core/Math/Vector.h

@@ -1,38 +1,62 @@
-#pragma once
+#pragma once
 
+#include <math.h>
+
+typedef struct Vector3 Vector3;
 struct Vector3
 {
-    float x, y, z;
+    float x;
-
+    float y;
-    Vector3 operator+(const Vector3& rhs) const { return { x + rhs.x, y + rhs.y, z + rhs.z }; }
+    float z;
-    Vector3 operator-(const Vector3& rhs) const { return { x - rhs.x, y - rhs.y, z - rhs.z }; }
-    Vector3 operator*(float s) const { return { x * s, y * s, z * s }; }
 };
 
+typedef struct Vector4 Vector4;
 struct Vector4
 {
-    float x = 0.f;
+    float x;
-    float y = 0.f;
+    float y;
-    float z = 0.f;
+    float z;
-    float w = 0.f;
+    float w;
 };
 
-inline Vector3 Normalize(const Vector3& v)
+static inline Vector3 Vector3Add(Vector3 lhs, Vector3 rhs)
 {
-    float len = sqrtf(v.x * v.x + v.y * v.y + v.z * v.z);
+    Vector3 res = { lhs.x + rhs.x, lhs.y + rhs.y, lhs.z + rhs.z };
+    return res;
+}
+
+static inline Vector3 Vector3Sub(Vector3 lhs, Vector3 rhs)
+{
+    Vector3 res = { lhs.x - rhs.x, lhs.y - rhs.y, lhs.z - rhs.z };
+    return res;
+}
+
+static inline Vector3 Vector3Scale(Vector3 v, float s)
+{
+    Vector3 res = { v.x * s, v.y * s, v.z * s };
+    return res;
+}
+
+static inline Vector3 Normalize(Vector3 v)
+{
+    Vector3 result = v;
+    float   len    = sqrtf(v.x * v.x + v.y * v.y + v.z * v.z);
     if (len > 0.0001f)
     {
-        return { v.x / len, v.y / len, v.z / len };
+        result.x = v.x / len;
+        result.y = v.y / len;
+        result.z = v.z / len;
     }
-    return v;
+    return result;
 }
 
-inline Vector3 Cross(const Vector3& a, const Vector3& b)
+static inline Vector3 Cross(Vector3 a, Vector3 b)
 {
-    return { a.y * b.z - a.z * b.y, a.z * b.x - a.x * b.z, a.x * b.y - a.y * b.x };
+    Vector3 res = { a.y * b.z - a.z * b.y, a.z * b.x - a.x * b.z, a.x * b.y - a.y * b.x };
+    return res;
 }
 
-inline float Dot(const Vector3& a, const Vector3& b)
+static inline float Dot(Vector3 a, Vector3 b)
 {
     return a.x * b.x + a.y * b.y + a.z * b.z;
 }

Juliet/include/Core/Memory/Allocator.h

@@ -1,7 +1,8 @@
-#pragma once
+#pragma once
 
 #include <Juliet.h>
 #include <Core/Common/CoreUtils.h>
+#include <stdlib.h>
 
 // Uninitialized allocation
 JULIET_API void* Malloc(size_t elem_size);
@@ -9,20 +10,19 @@ JULIET_API void* Malloc(size_t elem_size);
 JULIET_API void* Calloc(size_t nb_elem, size_t elem_size);
 JULIET_API void* Realloc(void* memory, size_t newSize);
 
-// Free
+static inline void FreeMemory(void* memory)
-template <typename Type>
-void Free(Type* memory)
 {
-    Assert(memory);
+    Assert(memory != NULL);
-    ::free(memory);
+    free(memory);
-}
-// Free and Set the ptr to nullptr
-template <typename Type>
-void SafeFree(Type*& memory)
-{
-    if (memory)
-    {
-        ::free(memory);
-        memory = nullptr;
-    }
 }
+
+#define SafeFree(memory_ptr)                                                                                           \
+    do                                                                                                                 \
+    {                                                                                                                  \
+        if ((memory_ptr) != NULL)                                                                                      \
+        {                                                                                                              \
+            free((void*)(memory_ptr));                                                                                 \
+            (memory_ptr) = NULL;                                                                                       \
+        }                                                                                                              \
+    }                                                                                                                  \
+    while (0)

Juliet/include/Core/Memory/MemoryArena.h

@@ -1,21 +1,19 @@
-#pragma once
+#pragma once
 
 #include <Core/Common/CoreUtils.h>
-#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/String.h>
 
 #if JULIET_DEBUG
 #include <Core/Memory/MemoryArenaDebug.h>
 #endif
 
-constexpr global uint64 g_Arena_Default_Reserve_Size = Megabytes(64);
+#define g_Arena_Default_Reserve_Size Megabytes(64)
-constexpr global uint64 g_Arena_Default_Commit_Size  = Kilobytes(64);
+#define g_Arena_Default_Commit_Size  Kilobytes(64)
-constexpr global uint64 k_ArenaHeaderSize            = 128;
+#define k_ArenaHeaderSize            ((uint64)128)
 
-#if JULIET_DEBUG
+typedef struct Arena       Arena;
-struct ArenaDebugInfo;
+typedef struct TempArena   TempArena;
-JULIET_API String FormatDebugTagV(const char* formatStr, std::format_args args);
+typedef struct ArenaParams ArenaParams;
-#endif
 
 struct Arena
 {
@@ -35,14 +33,14 @@ struct Arena
     Arena* FreeBlockLast;
 
     JULIET_DEBUG_ONLY(uint16 LostNodeCount;)
-    JULIET_DEBUG_ONLY(bool CanReserveMore : 1;)
+    JULIET_DEBUG_ONLY(bool8 CanReserveMore;)
 
     JULIET_DEBUG_ONLY(Arena* GlobalNext;)
     JULIET_DEBUG_ONLY(Arena* GlobalPrev;)
     JULIET_DEBUG_ONLY(ArenaDebugInfo* FirstDebugInfo;)
     const char* Name;
 };
-static_assert(sizeof(Arena) <= k_ArenaHeaderSize);
+StaticAssert(sizeof(Arena) <= k_ArenaHeaderSize, ArenaHeaderSizeCheck);
 
 struct TempArena
 {
@@ -52,74 +50,54 @@ struct TempArena
 
 struct ArenaParams
 {
-    uint64 ReserveSize = g_Arena_Default_Reserve_Size;
+    uint64      ReserveSize;
-    uint64 CommitSize  = g_Arena_Default_Commit_Size;
+    uint64      CommitSize;
-
     const char* Name;
-
+    JULIET_DEBUG_ONLY(bool8 DoNotReserveMore;)
-    // When false, will assert if a new block is reserved.
-    JULIET_DEBUG_ONLY(bool CanReserveMore : 1 = true;)
 };
 
-[[nodiscard]] JULIET_API Arena* ArenaAllocate(const ArenaParams&          params,
+JULIET_API Arena* ArenaAllocateImpl(ArenaParams params, const char* file, uint32 line);
-                                              const std::source_location& loc = std::source_location::current());
+#define ArenaAllocate(...) ArenaAllocateImpl(__VA_ARGS__, __FILE__, (uint32)__LINE__)
-JULIET_API void                 ArenaRelease(NonNullPtr<Arena> arena);
 
-// Raw Push, can be used but templated helpers exists below
+JULIET_API void   ArenaRelease(Arena* arena);
-[[nodiscard]] JULIET_API void*  ArenaPush(NonNullPtr<Arena> arena, size_t size, size_t align,
+
-                                          bool shouldBeZeroed JULIET_DEBUG_PARAM(const char* tag));
+// Raw Push, can be used or macros below
-JULIET_API void                 ArenaPopTo(NonNullPtr<Arena> arena, size_t position);
+JULIET_API void*  ArenaPush(Arena* arena, size_t size, size_t align,
-JULIET_API void                 ArenaPop(NonNullPtr<Arena> arena, size_t amount);
+                            bool8 shouldBeZeroed JULIET_DEBUG_PARAM(const char* tag));
-JULIET_API void                 ArenaClear(NonNullPtr<Arena> arena);
+JULIET_API void   ArenaPopTo(Arena* arena, size_t position);
-[[nodiscard]] JULIET_API size_t ArenaPos(NonNullPtr<Arena> arena);
+JULIET_API void   ArenaPop(Arena* arena, size_t amount);
+JULIET_API void   ArenaClear(Arena* arena);
+JULIET_API size_t ArenaPos(Arena* arena);
 
 #if JULIET_DEBUG
-template <typename FirstDebugArg, typename... DebugArgs>
+#define ArenaPushSize(...) ArenaPush(__VA_ARGS__)
+#define ArenaPushStruct(arena, Type)                                                                                   \
+    ((Type*)ArenaPush((arena), sizeof(Type), AlignOf(Type), true, #Type))
+#define ArenaPushStructTag(arena, Type, tag)                                                                           \
+    ((Type*)ArenaPush((arena), sizeof(Type), AlignOf(Type), true, (tag)))
+#define ArenaPushArray(arena, Type, count)                                                                             \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), true, #Type))
+#define ArenaPushArrayTag(arena, Type, count, tag)                                                                     \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), true, (tag)))
+#define ArenaPushArrayNoZero(arena, Type, count)                                                                       \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), false, #Type))
+#define ArenaPushArrayNoZeroTag(arena, Type, count, tag)                                                               \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), false, (tag)))
+#else
+#define ArenaPushSize(...) ArenaPush(__VA_ARGS__)
+#define ArenaPushStruct(arena, Type)                                                                                   \
+    ((Type*)ArenaPush((arena), sizeof(Type), AlignOf(Type), true))
+#define ArenaPushStructTag(arena, Type, tag)                                                                           \
+    ((Type*)ArenaPush((arena), sizeof(Type), AlignOf(Type), true))
+#define ArenaPushArray(arena, Type, count)                                                                             \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), true))
+#define ArenaPushArrayTag(arena, Type, count, tag)                                                                     \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), true))
+#define ArenaPushArrayNoZero(arena, Type, count)                                                                       \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), false))
+#define ArenaPushArrayNoZeroTag(arena, Type, count, tag)                                                               \
+    ((Type*)ArenaPush((arena), sizeof(Type) * (size_t)(count), Max(8ull, (uint64)AlignOf(Type)), false))
 #endif
-[[nodiscard]] inline void* ArenaPushSize(NonNullPtr<Arena> arena, size_t size, size_t align,
-                                         bool shouldBeZeroed JULIET_DEBUG_PARAM(FirstDebugArg&& firstDebugArg, DebugArgs&&... debugArgs))
-{
-    return ArenaPush(arena, size, align,
-                     shouldBeZeroed JULIET_DEBUG_PARAM(
-                         [&]() -> const char*
-                         {
-                             return Format(GetDebugInfoArena(), std::forward<FirstDebugArg>(firstDebugArg),
-                                           std::forward<DebugArgs>(debugArgs)...)
-                                 .Str;
-                         }()));
-}
 
-template <typename Type JULIET_DEBUG_ONLY(, typename... DebugArgs)>
+TempArena ArenaTempBegin(Arena* arena);
-[[nodiscard]] Type* ArenaPushStruct(NonNullPtr<Arena> arena JULIET_DEBUG_PARAM(DebugArgs&&... debugArgs))
-{
-    return static_cast<Type*>(
-        ArenaPush(arena, sizeof(Type) * 1, AlignOf(Type),
-                  true JULIET_DEBUG_PARAM(
-                      [&]() -> const char*
-                      {
-                          if constexpr (sizeof...(DebugArgs) > 0)
-                          {
-                              return Format(GetDebugInfoArena(), std::forward<DebugArgs>(debugArgs)...).Str;
-                          }
-                          return GetTypeName<Type>();
-                      }())));
-}
-
-template <typename Type, bool shouldZero = true JULIET_DEBUG_ONLY(, typename... DebugArgs)>
-[[nodiscard]] Type* ArenaPushArray(NonNullPtr<Arena> arena, size_t count JULIET_DEBUG_PARAM(DebugArgs&&... debugArgs))
-{
-    return static_cast<Type*>(
-        ArenaPush(arena, sizeof(Type) * count, Max(8ull, AlignOf(Type)),
-                  shouldZero JULIET_DEBUG_PARAM(
-                      [&]() -> const char*
-                      {
-                          if constexpr (sizeof...(DebugArgs) > 0)
-                          {
-                              return Format(GetDebugInfoArena(), std::forward<DebugArgs>(debugArgs)...).Str;
-                          }
-                          return GetTypeName<Type>();
-                      }())));
-}
-
-TempArena ArenaTempBegin(NonNullPtr<Arena> arena);
 void      ArenaTempEnd(TempArena temp);

Juliet/include/Core/Memory/MemoryArenaDebug.h

@@ -1,12 +1,13 @@
-#pragma once
+#pragma once
 
-#include <Core/Common/NonNullPtr.h>
 #include <Core/Common/String.h>
 
 #if JULIET_DEBUG
 
-struct Arena;
+typedef struct Arena            Arena;
-struct MemoryBlock;
+typedef struct MemoryBlock      MemoryBlock;
+typedef struct ArenaDebugInfo   ArenaDebugInfo;
+typedef struct ArenaAllocation  ArenaAllocation;
 
 // Arena (Struct)
 struct ArenaDebugInfo
@@ -27,20 +28,16 @@ struct ArenaAllocation
 };
 
 // Arena (Struct)
-void DebugRegisterArena(NonNullPtr<Arena> arena);
+void  DebugRegisterArena(Arena* arena);
-void DebugUnregisterArena(NonNullPtr<Arena> arena);
+void  DebugUnregisterArena(Arena* arena);
-void DebugArenaSetDebugName(NonNullPtr<Arena> arena, const char* name);
+void  DebugArenaSetDebugName(Arena* arena, const char* name);
-bool IsDebugInfoArena(const Arena* arena); // To prevent recursion
+bool8 IsDebugInfoArena(const Arena* arena); // To prevent recursion
-void DebugArenaFreeBlock(Arena* block);    // To clear all debug infos in a block
+void  DebugArenaFreeBlock(Arena* block);    // To clear all debug infos in a block
-void DebugArenaRemoveAllocation(Arena* block, size_t oldOffset);
+void  DebugArenaRemoveAllocation(Arena* block, size_t oldOffset);
-void DebugArenaPopTo(Arena* block, size_t newPosition);
+void  DebugArenaPopTo(Arena* block, size_t newPosition);
-void DebugArenaAddDebugInfo(Arena* block, size_t size, size_t offset, const char* tag);
+void  DebugArenaAddDebugInfo(Arena* block, size_t size, size_t offset, const char* tag);
 
-// MemoryArena (Pool-based)
+JULIET_API Arena* GetDebugInfoArena(void);
-void DebugFreeArenaAllocations(MemoryBlock* blk);
+JULIET_API Arena* GetGlobalArenaListHead(void);
-void DebugArenaAddAllocation(MemoryBlock* blk, size_t size, size_t offset, String tag);
-void DebugArenaRemoveLastAllocation(MemoryBlock* blk);
-
-JULIET_API Arena* GetDebugInfoArena();
 
 #endif

Juliet/include/Core/Memory/Utils.h

@@ -1,63 +1,68 @@
-#pragma once
+#pragma once
 
-#define ArraySize(array) (sizeof(array) / sizeof(array[0]))
+#include <Core/Common/CoreTypes.h>
+#include <string.h>
 
-inline int32 MemCompare(const void* leftValue, const void* rightValue, size_t size)
+#define ArraySize(array) (sizeof(array) / sizeof((array)[0]))
+
+static inline int32 MemCompare(const void* left_value, const void* right_value, size_t size)
 {
-    auto left  = static_cast<const unsigned char*>(leftValue);
+    const unsigned char* left  = (const unsigned char*)left_value;
-    auto right = static_cast<const unsigned char*>(rightValue);
+    const unsigned char* right = (const unsigned char*)right_value;
     while (size && *left == *right)
     {
         ++left;
         ++right;
         --size;
     }
-    return size ? *left - *right : 0;
+    return size ? ((int32)(*left) - (int32)(*right)) : 0;
 }
 
-// Single linked list
+// Single linked list macros
-void SingleLinkedListPushNext(auto*& stackTop, auto* node)
+#define SingleLinkedListPushNext(stackTop, node)                                                                       \
-{
+    do                                                                                                                 \
-    node->Next = stackTop;
+    {                                                                                                                  \
-    stackTop   = node;
+        (node)->Next = (stackTop);                                                                                     \
-}
+        (stackTop)   = (node);                                                                                         \
+    }                                                                                                                  \
+    while (0)
 
-void SingleLinkedListPushPrevious(auto*& stackTop, auto* node)
+#define SingleLinkedListPushPrevious(stackTop, node)                                                                   \
-{
+    do                                                                                                                 \
-    node->Previous = stackTop;
+    {                                                                                                                  \
-    stackTop       = node;
+        (node)->Previous = (stackTop);                                                                                 \
-}
+        (stackTop)       = (node);                                                                                     \
+    }                                                                                                                  \
+    while (0)
 
-void SingleLinkedListPopNext(auto*& stackTop)
+#define SingleLinkedListPopNext(stackTop)                                                                              \
-{
+    do                                                                                                                 \
-    stackTop = stackTop->Next;
+    {                                                                                                                  \
-}
+        (stackTop) = (stackTop)->Next;                                                                                 \
+    }                                                                                                                  \
+    while (0)
 
-// Double linked list
+// Double linked list queue macro
-template <typename QueueType, typename QueueTypeNode>
+#define Enqueue(queue, node)                                                                                           \
-void Enqueue(QueueType& queue, QueueTypeNode* node)
+    do                                                                                                                 \
-{
+    {                                                                                                                  \
-    if (queue.First == nullptr)
+        if ((queue).First == NULL)                                                                                     \
-    {
+        {                                                                                                              \
-        queue.First = queue.Last = node;
+            (queue).First = (queue).Last = (node);                                                                     \
-        node->Next               = nullptr;
+            (node)->Next                 = NULL;                                                                       \
-    }
+        }                                                                                                              \
-    else
+        else                                                                                                           \
-    {
+        {                                                                                                              \
-        queue.Last->Next = node, queue.Last = node;
+            (queue).Last->Next = (node);                                                                               \
-        node->Next = nullptr;
+            (queue).Last       = (node);                                                                               \
-    }
+            (node)->Next       = NULL;                                                                                 \
-
+        }                                                                                                              \
-    queue.Nodecount += 1;
+        (queue).Nodecount += 1;                                                                                        \
-}
+    }                                                                                                                  \
-
+    while (0)
-template <typename QueueType>
-struct QueueNode
-{
-    QueueType* Next;
-};
 
 #define DECLARE_QUEUE(type)                                                                                            \
+    typedef struct type##Queue type##Queue;                                                                            \
     struct type##Queue                                                                                                 \
     {                                                                                                                  \
         type*  First;                                                                                                  \
@@ -66,8 +71,7 @@ struct QueueNode
         size_t Size;                                                                                                   \
     };
 
-// TODO: homemade versions
+#define MemSet                memset
-#define MemSet memset
+#define MemCopy               memcpy
-#define MemCopy memcpy
+#define MemoryZero(dst, size) MemSet((dst), 0, (size))
-
+#define MemZeroStruct(ptr)    MemoryZero((ptr), sizeof(*(ptr)))
-#define MemoryZero(dst, size) MemSet(dst, 0, size)

Juliet/include/Core/Networking/IPAddress.h

@@ -1,6 +0,0 @@
-#pragma once
-
-// TODO : Do something better.
-constexpr uint32 kLocalhost   = (127 << 3) | (0 << 2) | (0 << 1) | 1;
-constexpr uint32 kAnyIp       = 0;
-constexpr uint32 kBroadcastIp = (255 << 3) | (255 << 2) | (255 << 1) | 255;

Juliet/include/Core/Networking/NetworkPacket.h

@@ -1,32 +0,0 @@
-#pragma once
-
-#include <Core/Container/Vector.h>
-
-class NetworkPacket
-{
-  public:
-    NetworkPacket();
-    NetworkPacket(Arena& arena);
-    virtual ~NetworkPacket();
-    NetworkPacket(NetworkPacket&);
-    NetworkPacket& operator=(const NetworkPacket&);
-    NetworkPacket(NetworkPacket&&) noexcept;
-    NetworkPacket& operator=(NetworkPacket&&) noexcept;
-
-    void Create(Arena& arena);
-
-    [[nodiscard]] ByteBuffer GetRawData();
-
-    // Pack
-    NetworkPacket& operator<<(uint32 value);
-    NetworkPacket& operator<<(char* data);
-
-  protected:
-    void Append(ByteBuffer buffer);
-
-    friend class TcpSocket;
-
-  private:
-    VectorArena<Byte, 4096> Data;
-    size_t                  PartialSendIndex = 0;
-};