145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
#include <game.h>
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#include <Controller/DebugCameraController.h>
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#include <Core/HAL/Filesystem/Filesystem.h>
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#include <Core/HAL/Keyboard/Keyboard.h>
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#include <Core/JulietInit.h>
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#include <Core/Logging/LogManager.h>
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#include <Core/Memory/MemoryArena.h>
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#include <Data/StaticMesh.h>
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#include <Entity/Entity.h>
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#include <Entity/EntityManager.h>
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#include <Graphics/Camera.h>
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#include <Graphics/MeshRenderer.h>
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#include <imgui.h>
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#if JULIET_DEBUG
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#include <Debug/DebugTopBar.h>
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#endif
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namespace
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{
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GameState* gGameState = nullptr;
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}
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GameState* GetGameState()
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{
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return gGameState;
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}
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extern "C" JULIET_API void __cdecl GameShutdown()
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{
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printf("Shutting down game...\n");
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using namespace Juliet;
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ShutdownEntityManager();
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}
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extern "C" JULIET_API void __cdecl GameUpdate(Juliet::GameData* params, [[maybe_unused]] float deltaTime)
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{
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using namespace Juliet;
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gGameState = params->GameState;
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if (!gGameState)
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{
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Arena* gameStateArena = ArenaAllocate({ .ReserveSize = Megabytes(1) } JULIET_DEBUG_PARAM("Game Total Arena"));
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auto* gameState = ArenaPushStruct<GameState>(gameStateArena);
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gGameState = params->GameState = gameState;
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gameState->TotalArena = gameStateArena;
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gameState->TotalTime = 0.0f;
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gameState->Score = 0;
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printf("Game Arena Allocated: %p\n", static_cast<void*>(gameState));
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// Reserve cameras. Lets go with 4 for now
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ReserveCamera(4);
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// Bootstrap world
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auto* worldArena = ArenaAllocate({ .ReserveSize = Megabytes(1) } JULIET_DEBUG_PARAM("World Arena"));
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World* world = ArenaPushStruct<World>(worldArena JULIET_DEBUG_PARAM("World"));
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gameState->World = world;
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gameState->World->WorldArena = worldArena;
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// Entity Use case
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InitEntityManager(gameState->World);
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auto& manager = GetEntityManager();
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NonNullPtr mesh = MakeEntity<StaticMesh>(manager, 1.f, 2.f);
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MeshAssetID cubeAsset = GetCubePrimitiveMeshAssetID();
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MeshInstanceID meshInst = CreateMeshInstance(cubeAsset, 0, MatrixIdentity());
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mesh->Base->MeshInstance = meshInst;
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// Summer at 2pm lighting
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Vector3 sunDirection = { -0.2f, -0.9f, -0.3f };
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Vector3 sunColor = { 1.0f, 0.95f, 0.85f };
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float ambientIntensity = 0.4f;
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SetGlobalLight(sunDirection, sunColor, ambientIntensity);
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}
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#if JULIET_DEBUG
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DrawTopBar();
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#endif
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GameMode previousFrameMode = gGameState->Mode;
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if (IsKeyPressed(ScanCode::F1))
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{
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if (previousFrameMode == GameMode::Play)
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{
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gGameState->Mode = GameMode::Debug;
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}
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else if (previousFrameMode == GameMode::Debug)
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{
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gGameState->Mode = GameMode::Play;
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}
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}
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if (gGameState->Mode == GameMode::Editor)
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{
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if (IsKeyPressed(ScanCode::F5))
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{
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gGameState->Mode = GameMode::Play;
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}
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}
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if (gGameState->Mode == GameMode::Play)
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{
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if (IsKeyPressed(ScanCode::Escape))
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{
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gGameState->Mode = GameMode::Editor;
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}
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// update game
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}
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auto& manager = GetEntityManager();
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UpdateEntityManager(manager);
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if (gGameState->Mode == GameMode::Debug)
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{
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if (previousFrameMode == GameMode::Play)
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{
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ActivateDebugController();
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}
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if (IsKeyPressed(ScanCode::Escape))
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{
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gGameState->Mode = GameMode::Editor;
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}
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UpdateDebugController(deltaTime);
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#if JULIET_DEBUG
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ImGui::Begin("Debug");
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RenderImGuiDebugController(deltaTime);
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ImGui::End();
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#endif
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}
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if (gGameState->Mode != GameMode::Debug && previousFrameMode == GameMode::Debug)
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{
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DeactivateDebugController();
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}
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}
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