fix: .gitignore + add 44 language JSON files

Engine/Asset/mesh.h

@@ -0,0 +1,30 @@
+#pragma once
+
+// ============================================================================
+// mesh.h - 网格 (顶点缓冲 + 索引缓冲)
+// ============================================================================
+
+#include <d3d11.h>
+#include <stdint.h>
+
+typedef struct {
+    ID3D11Buffer* vertex_buffer;
+    ID3D11Buffer* index_buffer;
+    uint32_t vertex_count;
+    uint32_t index_count;
+    uint32_t vertex_stride;
+} MeshBuffer;
+
+// 从内存数据创建网格
+MeshBuffer* mesh_create(ID3D11Device* device,
+                        const void* vertices, uint32_t vertex_count, uint32_t vertex_stride,
+                        const uint32_t* indices, uint32_t index_count);
+
+// 从 OBJ 文件加载网格 (简化版: 仅顶点+面)
+MeshBuffer* mesh_load_obj(ID3D11Device* device, const char* filepath);
+
+// 销毁
+void mesh_destroy(MeshBuffer* mesh);
+
+// 绘制
+void mesh_draw(ID3D11DeviceContext* ctx, MeshBuffer* mesh);

Engine/Asset/texture.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <d3d11.h>
+
+typedef struct {
+    ID3D11Texture2D* texture;
+    ID3D11ShaderResourceView* srv;
+    uint32_t width, height;
+} Texture;
+
+Texture* texture_load_bmp(ID3D11Device* dev, const char* path);
+Texture* texture_create_white(ID3D11Device* dev, uint32_t w, uint32_t h);
+void texture_destroy(Texture* tex);