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core/include/render_type_def.h

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+#ifndef RENDER_RENDER_TYPE_DEF_H
+#define RENDER_RENDER_TYPE_DEF_H
+
+#include <string>
+#include <DirectXMath.h>
+#include <filesystem>
+#include <vector>
+#include <unordered_map>
+#include <array>
+#include <intsafe.h>
+
+
+class Material;
+
+namespace Z {
+// C++ / HLSL 必须共同遵守的绑定约定
+// global 约定。材质拥有t0-t7；
+// 阴影拥有 t8/s2/b3。
+
+namespace RenderBindings {
+/* CBuffer */
+constexpr UINT SceneCB = 0;            // b0
+constexpr UINT MaterialCB = 1;         // b1
+constexpr UINT PerObjectCB = 2;        // b2
+constexpr UINT ShadowCB = 3;           // b3
+constexpr UINT IBL_CB = 4;             // b4 (IBL-Constants)
+
+
+/* Texture Buffer */
+constexpr UINT MaterialTextureFirst = 0;
+constexpr UINT MaterialTextureLast = 7;
+
+constexpr UINT BaseColorTexture = 0; // t0, sRGB
+constexpr UINT NormalTexture = 1;    // t1, Linear
+constexpr UINT OrmTexture = 2;       // t2, Linear: R=AO, G=Roughness, B=Metallic
+constexpr UINT EmissiveTexture = 3;  // t3, sRGB
+
+constexpr UINT ShadowTexture = 8;        // t8
+constexpr UINT IrradianceTexture = 9;    // t9
+constexpr UINT PrefilteredTexture = 10;  // t10
+constexpr UINT BrdfLutTexture = 11;      // t11
+
+
+/* Sampler */
+constexpr UINT MaterialSampler = 0;  // s0
+constexpr UINT ShadowSampler = 2;    // s2
+constexpr UINT IBLSamplerSlot = 3;   // s3
+
+}
+
+enum struct TextureType : uint8_t {
+    NONE = 0, DIFFUSE = 1, SPECULAR = 2, AMBIENT = 3, EMISSIVE = 4,
+    HEIGHT = 5, NORMALS = 6, SHININESS = 7, OPACITY = 8, DISPLACEMENT = 9,
+    LIGHTMAP = 10, REFLECTION = 11, BASE_COLOR = 12, NORMAL_CAMERA = 13, EMISSION_COLOR = 14,
+    METALNESS = 15, DIFFUSE_ROUGHNESS = 16, AMBIENT_OCCLUSION = 17, UNKNOWN = 18, SHEEN = 19,
+    CLEARCOAT = 20, TRANSMISSION = 21, MAYA_BASE = 22, MAYA_SPECULAR = 23, SPECULAR_COLOR = 24,
+    MAYA_SPECULAR_ROUGHNESS = 25, ANISOTROPY = 26, GLTF_METALLIC_ROUGHNESS = 27,
+};
+
+
+//region Model - Mesh
+// Animation
+struct PositionKey {
+    double time;
+    DirectX::XMFLOAT3 value;
+};
+struct RotationKey {
+    double time;
+    DirectX::XMFLOAT4 value;
+};
+struct ScaleKey {
+    double time;
+    DirectX::XMFLOAT3 value;
+};
+struct NodeAnimation {
+    std::string name;
+    std::vector<PositionKey> ar_posKeys;
+    std::vector<RotationKey> ar_rotationKeys;
+    std::vector<ScaleKey> ar_scaleKeys;
+};
+struct AnimationClip {
+    std::string name;
+    double durationTicks{0};
+    double tickPerSec{25};
+    std::unordered_map<std::string, NodeAnimation> map_channels;
+};
+
+// SkeletonData
+struct Node {
+    std::string name;
+    DirectX::XMFLOAT4X4 localTsf;
+    std::vector<Node> ar_child;
+};
+struct BoneInfo {
+    std::string name;
+    DirectX::XMFLOAT4X4 offsetMatrix;
+};
+struct SkeletonData {
+    DirectX::XMFLOAT4X4 gInvTsf;
+    std::vector<BoneInfo> ar_boneInfo;
+    Node rootNode;
+    std::unordered_map<std::string, unsigned int> map_boneName_idx;
+};
+
+// MeshData
+constexpr int MAX_BONES_PER_VERT = 4;
+
+struct VertexData { // 同时作为GPU数据传给VertexBuffer
+    DirectX::XMFLOAT3 pos{};
+    DirectX::XMFLOAT3 normal{};
+    DirectX::XMFLOAT3 tangent{};
+    DirectX::XMFLOAT2 uv0{};
+    DirectX::XMFLOAT2 uv1{};
+    DirectX::XMFLOAT4 color{};
+    std::array<int, MAX_BONES_PER_VERT> ar_boneIndex; //将来初始化为-1
+    std::array<float, MAX_BONES_PER_VERT> ar_boneWeights{};
+};
+
+struct TextureData {
+    TextureType type;
+    std::filesystem::path path;
+    std::string name;
+    std::vector<std::byte> data;
+    unsigned int bytesPerPixel;
+    unsigned int rowPitch;
+    unsigned int size;
+};
+
+struct Mesh {
+    int index; //在 Z::Model.ar_meshDatas 数组内的下标
+    std::string name;
+    DirectX::XMFLOAT4X4 localTsf;
+    std::vector<VertexData> ar_vertices; // .data()作为buffer的data传给GPU去init
+    std::vector<unsigned int> ar_indices; // .data()作为buffer的data传给GPU去init
+    bool hasSkin{};
+};
+
+// Model ROOT
+struct Model {
+    std::string name;
+    std::filesystem::path path;
+    std::vector<Mesh> ar_meshDatas;
+    SkeletonData skeletonData;
+    std::vector<AnimationClip> ar_animationClips;
+};
+//endregion Model - Mesh
+
+
+//MARK: 通信ShaderInfo
+namespace ShaderInfo {
+enum struct PropType {
+    None = 0, Matrix3x3 = 1, Matrix4x4 = 2,
+    Float = 10, Float2 = 11, Float3 = 12, Float4 = 13,
+    Int = 20, Int2 = 21, Int3 = 22, Int4 = 23,
+};
+
+union Value {
+    int Int;
+    int Int2[2];
+    int Int3[3];
+    int Int4[4];
+    float Float;
+    float Float2[2];
+    float Float3[3];
+    float Float4[4];
+    float Float3x3[3][3];
+    float Float4x4[4][4];
+};
+
+struct PropInfo {
+    const char *name;
+    int index; // prop在cubufferinfo的array里的下标
+    PropType type;
+    Value value;
+};
+
+struct TexInfo {
+    const char *name;
+    int index;  // tex在shaderinfo的array里的下标
+};
+
+struct CbufferInfo {
+    ~CbufferInfo() { delete []ar_prop; }
+    const char *name;
+    int index;
+    PropInfo *ar_prop;
+    int c_prop;
+};
+
+struct ShaderInfo {
+    ~ShaderInfo() {
+        delete[] ar_cbuffer;
+        delete[] ar_tex;
+    }
+    const char *name;
+    CbufferInfo *ar_cbuffer;
+    int c_cbuffer;
+    TexInfo *ar_tex;
+    int c_tex;
+};
+}
+
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+
+
+}
+#endif //RENDER_RENDER_TYPE_DEF_H