rodecomp/Source/Resource/Models/GrannyModelResource.h

#ifndef RAGNAROK_SOURCE_RESOURCE_MODELS_GRANNYMODELRESOURCE_H
#define RAGNAROK_SOURCE_RESOURCE_MODELS_GRANNYMODELRESOURCE_H

#include "Resource/Models/ModelResource.h"

#include <cstddef>
#include <cstdint>
#include <windows.h>

class CTexture;

struct granny_control;
struct granny_material;
struct granny_mesh_binding;
struct granny_mesh_deformer;
struct granny_model_instance;
struct granny_world_pose;

struct granny_data_type_definition {
  /* 0000 */ std::int32_t type;
  /* 0004 */ const char* name;
  /* 0008 */ granny_data_type_definition* referenceType;
  /* 000C */ std::int32_t arrayWidth;
  /* 0010 */ std::int32_t extra[3];
  /* 001C */ std::uint32_t ignored;
};

struct granny_pixel_layout {
  /* 0000 */ std::int32_t bytesPerPixel;
  /* 0004 */ std::int32_t shiftForComponent[4];
  /* 0014 */ std::int32_t bitsForComponent[4];
};

struct granny_texture {
  /* 0000 */ const char* fromFileName;
  /* 0004 */ std::int32_t textureType;
  /* 0008 */ std::int32_t width;
  /* 000C */ std::int32_t height;
};

struct granny_skeleton {
  /* 0000 */ const char* name;
  /* 0004 */ std::int32_t boneCount;
};

struct granny_material_binding {
  /* 0000 */ granny_material* material;
};

struct granny_mesh {
  /* 0000 */ unsigned char unknown_0000[0x14];
  /* 0014 */ std::int32_t materialBindingCount;
  /* 0018 */ granny_material_binding* materialBindings;
};

struct granny_model_mesh_binding {
  /* 0000 */ granny_mesh* mesh;
};

struct granny_model {
  /* 0000 */ const char* name;
  /* 0004 */ granny_skeleton* skeleton;
  /* 0008 */ unsigned char unknown_0008[0x44];
  /* 004C */ std::int32_t meshBindingCount;
  /* 0050 */ granny_model_mesh_binding* meshBindings;
};

extern "C" {
__declspec(dllimport) extern const granny_pixel_layout GrannyRGBA8888PixelFormat;
__declspec(dllimport) extern granny_data_type_definition GrannyPNT332VertexType[];

__declspec(dllimport) void WINAPI GrannySetControlActive(granny_control* control, bool active);
__declspec(dllimport) void WINAPI GrannyFreeControl(granny_control* control);
__declspec(dllimport) bool WINAPI GrannyTextureHasAlpha(const granny_texture* texture);
__declspec(dllimport) void WINAPI GrannyCopyTextureImage(
  const granny_texture* texture, std::int32_t imageIndex, std::int32_t mipIndex, const granny_pixel_layout* layout, std::int32_t destWidth,
  std::int32_t destHeight, std::int32_t destStride, void* pixels
);
__declspec(dllimport) granny_model_instance* WINAPI GrannyInstantiateModel(const granny_model* model);
__declspec(dllimport) granny_world_pose* WINAPI GrannyNewWorldPose(std::int32_t boneCount);
__declspec(dllimport) granny_skeleton* WINAPI GrannyGetSourceSkeleton(const granny_model_instance* instance);
__declspec(dllimport) granny_mesh_binding* WINAPI GrannyNewMeshBinding(const granny_mesh* mesh, const granny_skeleton* from, const granny_skeleton* to);
__declspec(dllimport) void WINAPI GrannyFreeMeshBinding(granny_mesh_binding* binding);
__declspec(dllimport) std::int32_t WINAPI GrannyGetMeshIndexCount(const granny_mesh* mesh);
__declspec(dllimport) void WINAPI GrannyCopyMeshIndices(const granny_mesh* mesh, std::int32_t bytesPerIndex, void* indices);
__declspec(dllimport) std::int32_t WINAPI GrannyGetMeshVertexCount(const granny_mesh* mesh);
__declspec(dllimport) bool WINAPI GrannyMeshIsRigid(const granny_mesh* mesh);
__declspec(dllimport) granny_data_type_definition* WINAPI GrannyGetMeshVertexType(const granny_mesh* mesh);
__declspec(dllimport) granny_mesh_deformer* WINAPI GrannyNewMeshDeformer(
  const granny_data_type_definition* inputLayout, const granny_data_type_definition* outputLayout, std::int32_t deformationType
);
__declspec(dllimport) void WINAPI GrannyCopyMeshVertices(const granny_mesh* mesh, const granny_data_type_definition* vertexType, void* vertices);
__declspec(dllimport) granny_texture* WINAPI GrannyGetMaterialTextureByType(const granny_material* material, std::int32_t type);
}

struct GrannyTextureEntry {
  /* 0000 */ const char* name;
  /* 0004 */ CTexture* texture;
};

struct GrannyMeshEntry {
  /* 0000 */ granny_mesh* mesh;
  /* 0004 */ granny_mesh_binding* binding;
  /* 0008 */ granny_mesh_deformer* deformer;
  /* 000C */ std::uint16_t* indices;
  /* 0010 */ unsigned char* vertices;
  /* 0014 */ int materialCount;
  /* 0018 */ GrannyTextureEntry** textures;
};

struct GrannyModelInstance {
  /* 0000 */ granny_model_instance* instance;
  /* 0004 */ granny_world_pose* worldPose;
  /* 0008 */ int meshCount;
  /* 000C */ GrannyMeshEntry* meshes;
};

class C3dGrannyModelRes : public CRes {
public:
  void RebindMeshes(const C3dGrannyModelRes& target);
  void InstantiateModel(GrannyModelInstance* target, const granny_model* model);
  CTexture* CreateTexture(const granny_texture* texture, int option);
  void FreeControl(granny_control* control);

  /* 0110 */ unsigned char unknown_0110[0x150];
  /* 0260 */ void* file;
  /* 0264 */ int textureCount;
  /* 0268 */ GrannyTextureEntry* textures;
  /* 026C */ int modelCount;
  /* 0270 */ GrannyModelInstance* instance;
  /* 0274 */ int maxBoneCount;
  /* 0278 */ void* localPose;
  /* 027C */ int deformBufferSize;
  /* 0280 */ int unknown_0280;
  /* 0284 */ unsigned char unknown_0284[8];
  /* 028C */ char fileName[MAX_PATH];
  /* 0390 */ const granny_model* model;
  /* 0394 */ int unknown_0394;
  /* 0398 */ int unknown_0398;
  /* 039C */ int unknown_039C;
  /* 03A0 */ float unknown_03A0;
  /* 03A4 */ float unknown_03A4;
  /* 03A8 */ void* animations;
  /* 03AC */ int job;
  /* 03B0 */ int unknown_03B0;
  /* 03B4 */ granny_skeleton* skeleton;

private:
  ModelResourceContext* m_context;
};

#if defined(_WIN32) && !defined(_WIN64)
static_assert(offsetof(granny_texture, width) == 0x08);
static_assert(offsetof(granny_mesh, materialBindings) == 0x18);
static_assert(offsetof(granny_model, meshBindingCount) == 0x4C);
static_assert(sizeof(GrannyMeshEntry) == 0x1C);
static_assert(sizeof(GrannyModelInstance) == 0x10);
static_assert(offsetof(C3dGrannyModelRes, file) == 0x260);
static_assert(offsetof(C3dGrannyModelRes, fileName) == 0x28C);
static_assert(offsetof(C3dGrannyModelRes, model) == 0x390);
static_assert(offsetof(C3dGrannyModelRes, skeleton) == 0x3B4);
#endif

#endif