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Support mtl loading by tinyobj_parse_obj() #1134

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I don't like this solution but well... let's use it for the moment...
This commit is contained in:
raysan5 2020-03-24 18:42:57 +01:00
parent 5fe0db347c
commit d657537821
1 changed files with 19 additions and 21 deletions
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40
src/models.c
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@ -50,6 +50,14 @@
#include <string.h> // Required for: strncmp() [Used in LoadModelAnimations()], strlen() [Used in LoadTextureFromCgltfImage()] #include <string.h> // Required for: strncmp() [Used in LoadModelAnimations()], strlen() [Used in LoadTextureFromCgltfImage()]
#include <math.h> // Required for: sinf(), cosf(), sqrtf(), fabsf() #include <math.h> // Required for: sinf(), cosf(), sqrtf(), fabsf()
#if defined(_WIN32)
#include <direct.h> // Required for: _chdir() [Used in LoadOBJ()]
#define CHDIR _chdir
#else
#include <unistd.h> // Required for: chdir() (POSIX) [Used in LoadOBJ()]
#define CHDIR chdir
#endif
#include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 2.1, 3.3+ or ES2 #include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 2.1, 3.3+ or ES2
#if defined(SUPPORT_FILEFORMAT_OBJ) || defined(SUPPORT_FILEFORMAT_MTL) #if defined(SUPPORT_FILEFORMAT_OBJ) || defined(SUPPORT_FILEFORMAT_MTL)
@ -2832,29 +2840,17 @@ static Model LoadOBJ(const char *fileName)
tinyobj_material_t *materials = NULL; tinyobj_material_t *materials = NULL;
unsigned int materialCount = 0; unsigned int materialCount = 0;
int dataLength = 0; char *fileData = LoadFileText(fileName);
char *data = NULL; int dataSize = strlen(fileData);
// Load model data if (fileData != NULL)
FILE *objFile = fopen(fileName, "rb");
if (objFile != NULL)
{ {
fseek(objFile, 0, SEEK_END); char currentDir[1024] = { 0 };
long length = ftell(objFile); // Get file size strcpy(currentDir, GetWorkingDirectory());
fseek(objFile, 0, SEEK_SET); // Reset file pointer chdir(GetDirectoryPath(fileName));
data = (char *)RL_MALLOC(length);
fread(data, length, 1, objFile);
dataLength = length;
fclose(objFile);
}
if (data != NULL)
{
unsigned int flags = TINYOBJ_FLAG_TRIANGULATE; unsigned int flags = TINYOBJ_FLAG_TRIANGULATE;
int ret = tinyobj_parse_obj(&attrib, &meshes, &meshCount, &materials, &materialCount, data, dataLength, flags); int ret = tinyobj_parse_obj(&attrib, &meshes, &meshCount, &materials, &materialCount, fileData, dataSize, flags);
if (ret != TINYOBJ_SUCCESS) TRACELOG(LOG_WARNING, "[%s] Model data could not be loaded", fileName); if (ret != TINYOBJ_SUCCESS) TRACELOG(LOG_WARNING, "[%s] Model data could not be loaded", fileName);
else TRACELOG(LOG_INFO, "[%s] Model data loaded successfully: %i meshes / %i materials", fileName, meshCount, materialCount); else TRACELOG(LOG_INFO, "[%s] Model data loaded successfully: %i meshes / %i materials", fileName, meshCount, materialCount);
@ -2995,7 +2991,9 @@ static Model LoadOBJ(const char *fileName)
tinyobj_shapes_free(meshes, meshCount); tinyobj_shapes_free(meshes, meshCount);
tinyobj_materials_free(materials, materialCount); tinyobj_materials_free(materials, materialCount);
RL_FREE(data); RL_FREE(fileData);
chdir(currentDir);
} }
// NOTE: At this point we have all model data loaded // NOTE: At this point we have all model data loaded
@ -3122,7 +3120,7 @@ static Model LoadIQM(const char *fileName)
return model; return model;
} }
fread(&iqm,sizeof(IQMHeader), 1, iqmFile); // Read IQM header fread(&iqm, sizeof(IQMHeader), 1, iqmFile); // Read IQM header
if (strncmp(iqm.magic, IQM_MAGIC, sizeof(IQM_MAGIC))) if (strncmp(iqm.magic, IQM_MAGIC, sizeof(IQM_MAGIC)))
{ {