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ssdfasd 7e4c48d4f9 docs: Document stub/not-implemented methods in resources module

Fixed discrepancies between source code and documentation:
- AsyncLoader: Document Initialize() ignores workerThreadCount, Submit() doesn't do actual async loading, Update() is stub
- ResourceManager: Document UnloadUnused() and ReloadResource() are stubs
- ResourceCache: Document OnZeroRefCount() and Flush() are stubs
- ResourceDependencyGraph: Document TopologicalSort() returns empty (stub)
- ResourceFileSystem: Document GetResourceInfo() doesn't fill modifiedTime, EnumerateResources() is stub
- FileArchive: Document Enumerate() is stub
- ResourcePackageBuilder: Document AddDirectory() is stub
- ImportSettings: Document LoadFromJSON/SaveToJSON are stubs
- TextureImportSettings/MeshImportSettings: Document JSON methods are stubs
- TextureLoader/MeshLoader/MaterialLoader/ShaderLoader/AudioLoader: Document GetDefaultSettings() returns nullptr
- AudioLoader: Document ParseWAVData() is stub, Load() doesn't parse WAV headers
- ShaderLoader: Document DetectShaderType/ParseShaderSource are stubs
- MaterialLoader: Document ParseMaterialData() is stub
- Texture: Document Create() mipLevels=0 behavior, GenerateMipmaps() returns false
- Mesh: Document MeshLoader::Load() is example only
- IResourceLoader: Document GetDefaultSettings() returns nullptr for all loaders

2026-03-19 01:16:12 +08:00

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Box

带变换的包围盒结构体（支持 OBB 语义，取决于方法）。

头文件： #include <XCEngine/Math/Box.h>

命名空间： XCEngine::Math

结构体定义

struct Box {
    Vector3 center = Vector3::Zero();
    Vector3 extents = Vector3::Zero();
    Matrix4x4 transform = Matrix4x4::Identity();
};

成员：

center - 包围盒中心点
extents - 包围盒半长（各轴向的半径）
transform - 变换矩阵（用于 OBB 检测）

注意： Contains 方法会使用 transform 进行真正的 OBB 检测。Intersects(Box) 目前使用 AABB 简化算法，未考虑旋转。

构造函数

Box() - 默认构造
Box(const Vector3& center, const Vector3& extents) - 从中心和半长构造

实例方法

方法	返回值	描述
GetMin()	`Vector3`	局部空间最小点
GetMax()	`Vector3`	局部空间最大点
Contains(point)	`bool`	点是否在盒内（使用 transform）
Intersects(Sphere)	`bool`	与球体相交
Intersects(Box)	`bool`	与另一个盒相交（AABB 检测）
Intersects(Ray, t)	`bool`	与射线相交

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Box

结构体定义

构造函数

实例方法

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