/**
 * @file		hob_parser.c
 * @date		18/08/2022
 * @author		JackCarterSmith
 * @copyright	GPL-v3.0
 * @brief		Process HOB file structure and extract its datas.
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "RSPModel_errordefs.h"
#include "RSPModel_datatypes.h"
#include "hob_struct.h"
#include "hob_parser.h"


////////////////////////////////////////////////////////////////////////////////
//                       Private functions declarations
////////////////////////////////////////////////////////////////////////////////

static unsigned int ExtractObjects(T_RSPMODEL_HOB*, const MEMFILE, const RSPMODEL_PARAMETERS*);
static unsigned int ExtractObjParts(T_RSPMODEL_OBJECT*, const MEMFILE, const RSPMODEL_PARAMETERS*);
static unsigned int ExtractObjParts_faces(T_RSPMODEL_OBJ_PARTS*, const MEMFILE, const RSPMODEL_PARAMETERS*);
static inline unsigned int ExtractObjpart_Face_Colors(T_RSPMODEL_FACE*, const char*);
static inline unsigned int ExtractObjpart_Face_UVMaps(T_RSPMODEL_FACE*, const char*);


////////////////////////////////////////////////////////////////////////////////
//                         Public functions definition
////////////////////////////////////////////////////////////////////////////////

unsigned char RSP_ModelLib_ParseHOBMemFile(const MEMFILE pMemFile, T_RSPMODEL_HOB* hobStruct, const RSPMODEL_PARAMETERS* pParams) {
	unsigned char err = RSPLIB_SUCCESS;

	if (hobStruct != NULL && pMemFile != NULL) {
		// Do the magic!
		err = ExtractObjects(hobStruct, pMemFile, pParams);
	} else err = RSPLIB_ERROR_ARGS_NULL;

	return err;
}

unsigned char RSP_ModelLib_ParseHOBFile(const char* fileName, T_RSPMODEL_HOB* hobStruct, const RSPMODEL_PARAMETERS* pParams) {
	unsigned char err = RSPLIB_SUCCESS;
	long fileSize;
	FILE* fStream = NULL;
	MEMFILE memFile = NULL;

	if (hobStruct != NULL && fileName != NULL) {
		// Open file
		fStream = fopen(fileName, "rb");

		if (fStream != NULL) {
			// Determine file size in bytes
			fseek(fStream, 0, SEEK_END);
			fileSize = ftell(fStream);
			fseek(fStream, 0, SEEK_SET);
			if (pParams->verbose_mode) printf("[DBG] > Input file size: %ld bytes\n", fileSize);

			memFile = malloc(fileSize + 1);
			if (memFile != NULL) {
				// Copy file in RAM
				fread(memFile, fileSize, 1, fStream);
				fclose(fStream);

				// Do the magic!
				err = ExtractObjects(hobStruct, memFile, pParams);

				free(memFile);

			} else {
				fclose(fStream);
				err = RSPLIB_ERROR_MEMORY;
				if (pParams->verbose_mode) printf("[ERR] Can't allocate enough memory for file processing!\n");
			}
		} else {
			err = RSPLIB_ERROR_IO;
			if (pParams->verbose_mode) printf("[ERR] Input file %s not found!\n", fileName);
		}
	} else err = RSPLIB_ERROR_ARGS_NULL;

	return err;
}


////////////////////////////////////////////////////////////////////////////////
//                       Private functions definition
////////////////////////////////////////////////////////////////////////////////

/**
 * @brief Count objects and extract datas from them.
 *
 * @param[in|out] pHobStruct	Take root hob structure to get the T_RSPMODEL_OBJECT buffer and header datas.
 * @param[in] pMemfile			Pointer to an in-memory file location.
 * @param[in] verbose
 *
 * @return Error code, RSPLIB_SUCCESS when no error.
 */
static unsigned int ExtractObjects(T_RSPMODEL_HOB* pHobStruct, const MEMFILE pMemfile, const RSPMODEL_PARAMETERS* pParams) {
	unsigned int i;

	if (pHobStruct == NULL || pMemfile == NULL) return RSPLIB_ERROR_ARGS_NULL;

	// Retrieve object count from the header
	pHobStruct->obj_count = ((T_HOBFILE_HEADER *)pMemfile)->obj_count;
	printf("[INFO] - Object(s) quantity: %d\n", pHobStruct->obj_count);
	if (pHobStruct->obj_count <= 0) {
		printf("[INFO] Can't process empty file!\n");
		return RSPLIB_ERROR_GENERIC;
	}

	// Populate HOB structure with object descriptor
	pHobStruct->objects = calloc(pHobStruct->obj_count, sizeof(T_RSPMODEL_OBJECT));
	if (pHobStruct->objects == NULL) return RSPLIB_ERROR_MEMORY;

	for ( i = 0; i < pHobStruct->obj_count; i++ ) {
		if (pParams->debug_mode) printf("\n-=====================-Begin of Object part-======================-\n");

		// Get object name
		memcpy(pHobStruct->objects[i].name, ((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER)
				+ sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->object_name, 16);

		if (pParams->verbose_mode) printf("\n");
		printf("[INFO] - Process %s object...\n", pHobStruct->objects[i].name);


		// Get offsets
		pHobStruct->objects[i].face_group_offset = ((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER)
				+ sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->facegroup_offset;
		if (pParams->verbose_mode) printf("[DBG] > Face group offset: 0x%X\n", pHobStruct->objects[i].face_group_offset);
		pHobStruct->objects[i].object_part_header_offset = ((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER)
				+ sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->object_parts_offset;
		if (pParams->verbose_mode) printf("[DBG] > Face group header/object parts offset: 0x%X\n", pHobStruct->objects[i].object_part_header_offset);
		pHobStruct->objects[i].face_group_header_offset = ((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER)
				+ sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->facegroup_header_2_offset;
		if (pParams->verbose_mode) printf("[DBG] > Face group header2 offset: 0x%X\n", pHobStruct->objects[i].face_group_header_offset);

		if (pParams->god_mode) {
			printf("[DBG] > Face group unknown1: %d\n",((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER) + sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->unknownOffset1);
			printf("[DBG] > Face group unknown2: %d\n",((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER) + sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->unknownOffset2);
			printf("[DBG] > Face group unknown3: %d\n",((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER) + sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->unknownOffset3);
			printf("[DBG] > Face group unknown4: %.8f\n",((T_HOBFILE_OBJ_DESCRIPTOR *)(pMemfile + sizeof(T_HOBFILE_HEADER) + sizeof(T_HOBFILE_OBJ_DESCRIPTOR) * i))->unknown4);
		}

		// Get count and offsets from the facegroup header
		pHobStruct->objects[i].object_part_count = ((T_HOBFILE_FACEGROUP_HEADER *)(pMemfile
				+ pHobStruct->objects[i].object_part_header_offset))->object_part_count;
		if (pParams->verbose_mode) printf("[DBG] > Object parts count: %d\n", pHobStruct->objects[i].object_part_count);
		pHobStruct->objects[i].face_group_count = ((T_HOBFILE_FACEGROUP_HEADER *)(pMemfile
				+ pHobStruct->objects[i].object_part_header_offset))->facegroup_count;
		if (pParams->verbose_mode) printf("[DBG] > Face groups count: %d\n", pHobStruct->objects[i].face_group_count);
		if (pHobStruct->objects[i].object_part_count != pHobStruct->objects[i].face_group_count && (pParams->verbose_mode))
			printf("[DBG] > Object parts / facegroup count are different!\n");

		// Get facegroup datas
		ExtractObjParts(&pHobStruct->objects[i], pMemfile, pParams);
	}

	return RSPLIB_SUCCESS;
}

/**
 * @brief Count object's sub-part and extract datas from them.
 *
 * @param[in|out] pObject	Take object structure to get the T_RSPMODEL_OBJ_PARTS buffer and object datas.
 * @param[in] pMemfile		Pointer to an in-memory file location.
 * @param[in] verbose
 *
 * @return Error code, RSPLIB_SUCCESS when no error.
 */
static unsigned int ExtractObjParts(T_RSPMODEL_OBJECT* pObject, const MEMFILE pMemfile, const RSPMODEL_PARAMETERS* pParams) {
	unsigned int i, subpart_offset = 0;

	if (pObject == NULL || pMemfile == NULL) return RSPLIB_ERROR_ARGS_NULL;

	pObject->object_parts = calloc(pObject->object_part_count, sizeof(T_RSPMODEL_OBJ_PARTS));
	if (pObject->object_parts == NULL) return RSPLIB_ERROR_MEMORY;

	for ( i = 0; i < pObject->object_part_count; i++ ) {
		if (pParams->debug_mode) printf("\n-----------------------Begin of Mesh part-------------------------\n");
		subpart_offset = ((T_HOBFILE_FACEGROUP_OFFSET *)(pMemfile + pObject->object_part_header_offset
				+ sizeof(T_HOBFILE_FACEGROUP_HEADER) + sizeof(T_HOBFILE_FACEGROUP_OFFSET) * i))->facegroup_offset;
		if (pParams->verbose_mode) printf("\n[DBG] > Face group meshdef0 offset: 0x%X\n", subpart_offset);

		// Get meshdef0 datas
		if (pParams->god_mode) printf("[DBG] > meshdef0 offset1: 0x%X\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->offset1);
		if (pParams->god_mode) printf("[DBG] > meshdef0 offset2: 0x%X\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->offset2);
		if (pParams->verbose_mode) printf("[DBG] > Prev meshdef0 offset: 0x%X\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->prev_meshdef0_offset);
		if (pParams->verbose_mode) printf("[DBG] > Next meshdef0 offset: 0x%X\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->next_meshdef0_offset);

		if (pParams->god_mode) printf("[DBG] > meshdef0 unknown3: %.8f\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->unknown3);
		if (pParams->god_mode) printf("[DBG] > meshdef0 unknown4: %.8f\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->unknown4);
		if (pParams->god_mode) printf("[DBG] > meshdef0 unknown5: %.8f\n",((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->unknown5);

		// Get meshdef1 (mesh descriptor) offset
		pObject->object_parts[i].meshdef1_offset = ((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->meshdef1_offset_plus_4;
		if (pParams->verbose_mode) printf("\n[DBG] > Face group meshdef1 offset: 0x%X\n", pObject->object_parts[i].meshdef1_offset);

		if( ((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->reserved1 != 0 ||
			((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->reserved2 != 0 ) {
			if (pParams->god_mode) printf("[DBG] > Face group meshdef0: no 0!\n");
		}

		if (pObject->object_parts[i].meshdef1_offset > 0) {
			// Read meshdef1 datas
			pObject->object_parts[i].face_block_end_offset = ((T_HOBFILE_MESHDEF1 *)(pMemfile
					+ pObject->object_parts[i].meshdef1_offset - 4))->facedef_end_offset;
			pObject->object_parts[i].vertex_count = ((T_HOBFILE_MESHDEF1 *)(pMemfile
					+ pObject->object_parts[i].meshdef1_offset - 4))->vertex_count;
			pObject->object_parts[i].face_block_offset = ((T_HOBFILE_MESHDEF1 *)(pMemfile
					+ pObject->object_parts[i].meshdef1_offset - 4))->faceblock_offset;
			if (pParams->verbose_mode) printf("[DBG] > Faces offset: 0x%X\n", pObject->object_parts[i].face_block_offset);
			pObject->object_parts[i].vertex_block_offset = ((T_HOBFILE_MESHDEF1 *)(pMemfile
					+ pObject->object_parts[i].meshdef1_offset - 4))->vertexblocks_offset;
			if (pParams->verbose_mode) printf("[DBG] > Vertex offset: 0x%X\n\n", pObject->object_parts[i].vertex_block_offset);

			// Get faces datas
			ExtractObjParts_faces(&pObject->object_parts[i], pMemfile, pParams);
		}

		// Get object part ID, used by animation? bones?
		pObject->object_parts[i].id = ((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->object_id;
		if (pParams->verbose_mode) printf("\n[DBG] > Facegroup/object ID: %d\n", pObject->object_parts[i].id);

		// Get the transform matrix, used by at-st and at-at (at this time)
		pObject->object_parts[i].transform.x = ((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->transform_x;
		pObject->object_parts[i].transform.y = ((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->transform_y;
		pObject->object_parts[i].transform.z = ((T_HOBFILE_MESHDEF0 *)(pMemfile + subpart_offset))->transform_z;
		if (pParams->god_mode) printf("\n[DBG] > Facegroup/object transform matrix: [%.8f %.8f %.8f]\n",
				pObject->object_parts[i].transform.x,
				pObject->object_parts[i].transform.y,
				pObject->object_parts[i].transform.z
			);

		if (pParams->debug_mode) printf("\n-----------------------End of Mesh part---------------------------\n");
	}

	if (pParams->debug_mode) printf("\n-=====================-End of Object part-========================-\n");

	return RSPLIB_SUCCESS;
}

/**
 * @brief Extract datas from faces from object sub-part.
 *
 * @param[in|out] pObjPart	Take object sub-part structure to get the T_RSPMODEL_FACE buffer and object sub-part datas.
 * @param[in] pMemfile		Pointer to an in-memory file location.
 * @param[in] verbose
 *
 * @return Error code, RSPLIB_SUCCESS when no error.
 */
static unsigned int ExtractObjParts_faces(T_RSPMODEL_OBJ_PARTS* pObjPart, const MEMFILE pMemfile, const RSPMODEL_PARAMETERS* pParams) {
	unsigned int i, facesExtraOffset = 0;

	if (pObjPart == NULL || pMemfile == NULL) return RSPLIB_ERROR_ARGS_NULL;

	if( ((T_HOBFILE_FACEBLOCK *)(pMemfile + pObjPart->face_block_offset))->reserved1 != 0 ||
		((T_HOBFILE_FACEBLOCK *)(pMemfile + pObjPart->face_block_offset))->reserved2 != 0 ) {
		if (pParams->god_mode) printf("[DBG] > Face block: uncommon zero header!\n");
	}
	if ( ((T_HOBFILE_FACEBLOCK *)(pMemfile + pObjPart->face_block_offset))->facesOffset !=
			pObjPart->face_block_offset + sizeof(T_HOBFILE_FACEBLOCK)) {
		if (pParams->god_mode) printf("[DBG] > Face block: uncommon face data offset position!\n");
	}

	pObjPart->face_count = ((T_HOBFILE_FACEBLOCK *)(pMemfile + pObjPart->face_block_offset))->faceCounts;
	pObjPart->faces = calloc(pObjPart->face_count, sizeof(T_RSPMODEL_FACE));
	for ( i = 0; i < pObjPart->face_count; i++ ) {
		if (pParams->debug_mode) printf("\n----------------------Begin of FaceGroup part----------------------\n");

		// Get flags
		pObjPart->faces[i].flags = ((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->flags;

		// Get unknown bytes
		pObjPart->faces[i].b1 = ((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->b1;
		pObjPart->faces[i].b2 = ((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->b2;
		pObjPart->faces[i].b3 = ((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->b3;

		pObjPart->faces[i].bsize = ((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->faceBlockIntSize * 4;		// Multiply by 4 to get the bytes exact number
		if (((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset	+ sizeof(T_HOBFILE_FACEBLOCK)
				+ sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->headerSeparator != 0) {
			if (pParams->god_mode) printf("[DBG] > Face header: uncommon separator!\n");
		}

		// Get materials index
		pObjPart->faces[i].material_index = ((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->materialIndex;

		// Get vertex indices
		memcpy(pObjPart->faces[i].indices,	((T_HOBFILE_FACES_HEADER *)(pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) * i + facesExtraOffset))->vertexIndices,
				sizeof(unsigned short) * 4);

		// Recalculate the dynamic extra bytes offset size - if present
		if (pObjPart->faces[i].flags_bits.fHasExtraBytesBeforeColor) facesExtraOffset += 8;

		// Get vertex color - if present
		if (pObjPart->faces[i].flags_bits.fHasColor) {
			facesExtraOffset += ExtractObjpart_Face_Colors(&pObjPart->faces[i], pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) + sizeof(T_HOBFILE_FACES_HEADER) * i
				+ facesExtraOffset);
		}

		// Get UV map - if present
		if (pObjPart->faces[i].flags_bits.fHasTexture) {
			facesExtraOffset += ExtractObjpart_Face_UVMaps(&pObjPart->faces[i], pMemfile + pObjPart->face_block_offset
				+ sizeof(T_HOBFILE_FACEBLOCK) + sizeof(T_HOBFILE_FACES_HEADER) + sizeof(T_HOBFILE_FACES_HEADER) * i
				+ facesExtraOffset);
		}

		if (pParams->debug_mode) {
			printf("[DBG] > Face %d details: flags:0x%X b1:%d b2:%d b3%d bsize:%d\n", i, pObjPart->faces[i].flags,
					pObjPart->faces[i].b1, pObjPart->faces[i].b2,	pObjPart->faces[i].b3,	pObjPart->faces[i].bsize);
			printf("[DBG]   - Type is Quad: %d\n", pObjPart->faces[i].flags_bits.fIsQuad);
			printf("[DBG]   - Material offset: 0x%X\n", pObjPart->faces[i].material_index);
			printf("[DBG]   - Vertex indices: %d, %d, %d, %d\n", pObjPart->faces[i].indices[0], pObjPart->faces[i].indices[1],
				pObjPart->faces[i].indices[2],	pObjPart->faces[i].indices[3]);
			printf("[DBG]   - Vertex colors: 0x%X, 0x%X, 0x%X, 0x%X\n",	pObjPart->faces[i].vertex_colors[0],
				pObjPart->faces[i].vertex_colors[1], pObjPart->faces[i].vertex_colors[2], pObjPart->faces[i].vertex_colors[3]);
			printf("[DBG]   - Vertex UV coord (divided by 4096):\n");
			printf("[DBG]       > %.8f(%d), %.8f(%d)\n",
				((double) 1/4096) * pObjPart->faces[i].tex_coords[0].u,
				pObjPart->faces[i].tex_coords[0].u,
				((double) 1/4096) * pObjPart->faces[i].tex_coords[0].v,
				pObjPart->faces[i].tex_coords[0].v
			);
			printf("[DBG]       > %.8f(%d), %.8f(%d)\n",
				((double) 1/4096) * pObjPart->faces[i].tex_coords[1].u,
				pObjPart->faces[i].tex_coords[1].u,
				((double) 1/4096) * pObjPart->faces[i].tex_coords[1].v,
				pObjPart->faces[i].tex_coords[1].v
			);
			printf("[DBG]       > %.8f(%d), %.8f(%d)\n",
				((double) 1/4096) * pObjPart->faces[i].tex_coords[2].u,
				pObjPart->faces[i].tex_coords[2].u,
				((double) 1/4096) * pObjPart->faces[i].tex_coords[2].v,
				pObjPart->faces[i].tex_coords[2].v
			);
			printf("[DBG]       > %.8f(%d), %.8f(%d)\n",
				((double) 1/4096) * pObjPart->faces[i].tex_coords[3].u,
				pObjPart->faces[i].tex_coords[3].u,
				((double) 1/4096) * pObjPart->faces[i].tex_coords[3].v,
				pObjPart->faces[i].tex_coords[3].v
			);
			printf("\n");
		}

		if (pParams->debug_mode) printf("\n-----------------------End of FaceGroup part-----------------------\n");
	}

	// Get vertex datas
	pObjPart->vertices = calloc(pObjPart->vertex_count, sizeof(T_VERTEX));
	if (pObjPart->vertices == NULL) return RSPLIB_ERROR_MEMORY;

	for ( i = 0; i < pObjPart->vertex_count; i++ ) {
		pObjPart->vertices[i].x =
		((T_HOBFILE_VERTEX *)(pMemfile + pObjPart->vertex_block_offset + sizeof(T_VERTEX) * i))->x;

		pObjPart->vertices[i].y =
		((T_HOBFILE_VERTEX *)(pMemfile + pObjPart->vertex_block_offset + sizeof(T_VERTEX) * i))->y;

		pObjPart->vertices[i].z =
		((T_HOBFILE_VERTEX *)(pMemfile + pObjPart->vertex_block_offset + sizeof(T_VERTEX) * i))->z;

		pObjPart->vertices[i].w =
		((T_HOBFILE_VERTEX *)(pMemfile + pObjPart->vertex_block_offset + sizeof(T_VERTEX) * i))->w;	// Always 0???

		if (pParams->debug_mode) printf("[DBG] > Found vertex %d: (%d, %d, %d)\n", i,
				pObjPart->vertices[i].x, pObjPart->vertices[i].y, pObjPart->vertices[i].z
			);
	}

	return RSPLIB_SUCCESS;
}

/**
 * @brief Extract colors from HOB's face to T_RSPMODEL_FACE instance.
 *
 * @param pFace[out]				Pointer to an empty instance of T_RSPMODEL_FACE.
 * @param pFaceMemFileOffset[in]	Pointer to the in-memory location of face HOB datas.
 * @warning Access to an unallocated memory location using this function result in an ACCESS_VIOLATION.
 *
 * @return The size of processed data. Used to count new offset between each face in object sub-part.
 */
static inline unsigned int ExtractObjpart_Face_Colors(T_RSPMODEL_FACE* pFace, const char* pFaceMemFileOffset) {
	unsigned int dynOffset = 0;

	if (pFace->flags_bits.fSeparateColorVertex) {
		pFace->vertex_colors[0] = ((T_HOBFILE_FACES_VERTEX_COLOR *)(pFaceMemFileOffset))->v1_rgba;
		pFace->vertex_colors[1] = ((T_HOBFILE_FACES_VERTEX_COLOR *)(pFaceMemFileOffset))->v2_rgba;
		pFace->vertex_colors[2] = ((T_HOBFILE_FACES_VERTEX_COLOR *)(pFaceMemFileOffset))->v3_rgba;
		if (pFace->flags_bits.fIsQuad) {
			pFace->vertex_colors[3] = ((T_HOBFILE_FACES_VERTEX_COLOR *)(pFaceMemFileOffset))->v4_rgba;
			dynOffset += sizeof(T_HOBFILE_FACES_VERTEX_COLOR);
		} else {
			dynOffset += sizeof(T_HOBFILE_FACES_VERTEX_COLOR) - sizeof(T_RGBA);
		}
	} else {
		pFace->vertex_colors[0] = ((T_HOBFILE_FACES_COLOR *)(pFaceMemFileOffset))->rgba;
		pFace->vertex_colors[1] = ((T_HOBFILE_FACES_COLOR *)(pFaceMemFileOffset))->rgba;
		pFace->vertex_colors[2] = ((T_HOBFILE_FACES_COLOR *)(pFaceMemFileOffset))->rgba;
		pFace->vertex_colors[3] = ((T_HOBFILE_FACES_COLOR *)(pFaceMemFileOffset))->rgba;
		dynOffset += sizeof(T_HOBFILE_FACES_COLOR);
	}

	return dynOffset;
}

/**
 * @brief Extract UV maps from HOB's face to T_RSPMODEL_FACE instance.
 *
 * @param pFace[out]				Pointer to an empty instance of T_RSPMODEL_FACE.
 * @param pFaceMemFileOffset[in]	Pointer to the in-memory location of face HOB datas.
 * @warning Access to an unallocated memory location using this function result in an ACCESS_VIOLATION.
 *
 * @return The size of processed data. Used to count new offset between each face in object sub-part.
 */
static inline unsigned int ExtractObjpart_Face_UVMaps(T_RSPMODEL_FACE* pFace, const char* pFaceMemFileOffset) {
	unsigned int dynOffset = 0;

	pFace->tex_coords[0] = ((T_HOBFILE_FACES_VERTEX_TEXTURE *)(pFaceMemFileOffset))->v1_texcoord;
	pFace->tex_coords[1] = ((T_HOBFILE_FACES_VERTEX_TEXTURE *)(pFaceMemFileOffset))->v2_texcoord;
	pFace->tex_coords[2] = ((T_HOBFILE_FACES_VERTEX_TEXTURE *)(pFaceMemFileOffset))->v3_texcoord;
	if (pFace->flags_bits.fIsQuad) {
		pFace->tex_coords[3] = ((T_HOBFILE_FACES_VERTEX_TEXTURE *)(pFaceMemFileOffset))->v4_texcoord;
		dynOffset += sizeof(T_HOBFILE_FACES_VERTEX_TEXTURE);
	} else {
		dynOffset += sizeof(T_HOBFILE_FACES_VERTEX_TEXTURE) - sizeof(T_TEXCOORD);
	}

	return dynOffset;
}