Improving entity manager and entity support for a simpler version, made some cleanup on the road to support serialization of world

2026-08-31 23:05:20 -04:00
parent 4180622d6a
commit cb615091ca
17 changed files with 607 additions and 88 deletions
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <Core/Common/CoreTypes.h>
+#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;
+struct EntityManager;
+
+#pragma pack(push, 1)
+struct WorldFileHeader
+{
+    uint32 Magic   = 0x444C574A; // 'JWLD' in little-endian
+    uint32 Version = 1;
+};
+
+struct WorldEntityDiskRecord
+{
+    float X = 0.0f;
+    float Y = 0.0f;
+    float Z = 0.0f;
+};
+#pragma pack(pop)
+
+constexpr uint32 kWorldMagic   = 0x444C574A; // 'JWLD'
+constexpr uint32 kWorldVersion = 1;
+
+struct World
+{
+    Arena*         WorldArena    = nullptr;
+    EntityManager* EntityManager = nullptr;
+};
+
+void InitWorld(NonNullPtr<World> world, NonNullPtr<Arena> arena);
+void ShutdownWorld(NonNullPtr<World> world);
+
+void AddToWorld(NonNullPtr<World> world, NonNullPtr<Entity> entity);
+void RemoveWorldEntity(World& world, size_t index);
+
+void Serialize(archive& data, World& world, String filename);
+
+#if JULIET_EDITOR
+void RenderWorldEditorUI(World& world);
+#endif