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This commit is contained in:
Jeffery Myers 2024-08-25 08:09:13 -07:00
parent 164de4860d
commit 24095a0c97
1 changed files with 18 additions and 10 deletions
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22
src/rmodels.c
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@ -4106,6 +4106,12 @@ static Model LoadOBJ(const char* fileName)
unsigned int flags = TINYOBJ_FLAG_TRIANGULATE; unsigned int flags = TINYOBJ_FLAG_TRIANGULATE;
int ret = tinyobj_parse_obj(&objAttributes, &objShapes, &objShapeCount, &objMaterials, &objMaterialCount, fileText, dataSize, flags); int ret = tinyobj_parse_obj(&objAttributes, &objShapes, &objShapeCount, &objMaterials, &objMaterialCount, fileText, dataSize, flags);
if (ret != TINYOBJ_SUCCESS)
{
TRACELOG(LOG_ERROR, "MODEL Unable to read obj data %s", fileName);
return model;
}
UnloadFileText(fileText); UnloadFileText(fileText);
unsigned int faceVertIndex = 0; unsigned int faceVertIndex = 0;
@ -4144,10 +4150,16 @@ static Model LoadOBJ(const char* fileName)
model.meshCount = meshIndex + 1; model.meshCount = meshIndex + 1;
model.meshes = (Mesh*)MemAlloc(sizeof(Mesh) * model.meshCount); model.meshes = (Mesh*)MemAlloc(sizeof(Mesh) * model.meshCount);
if (objMaterialCount == 0) objMaterialCount = 1; if (objMaterialCount > 0)
{
model.materialCount = objMaterialCount; model.materialCount = objMaterialCount;
model.materials = (Material*)MemAlloc(sizeof(Material) * objMaterialCount); model.materials = (Material*)MemAlloc(sizeof(Material) * objMaterialCount);
}
else // we must allocate at least one material
{
model.materialCount = 1;
model.materials = (Material*)MemAlloc(sizeof(Material) * 1);
}
model.meshMaterial = (int*)MemAlloc(sizeof(int) * model.meshCount); model.meshMaterial = (int*)MemAlloc(sizeof(int) * model.meshCount);
@ -4249,7 +4261,7 @@ static Model LoadOBJ(const char* fileName)
} }
int matId = 0; int matId = 0;
if (lastMaterial >= 0 && lastMaterial < objMaterialCount) if (lastMaterial >= 0 && lastMaterial < (int)objMaterialCount)
matId = lastMaterial; matId = lastMaterial;
model.meshMaterial[meshIndex] = matId; model.meshMaterial[meshIndex] = matId;
@ -4260,10 +4272,6 @@ static Model LoadOBJ(const char* fileName)
int normalIndex = objAttributes.faces[faceVertIndex].vn_idx; int normalIndex = objAttributes.faces[faceVertIndex].vn_idx;
int texcordIndex = objAttributes.faces[faceVertIndex].vt_idx; int texcordIndex = objAttributes.faces[faceVertIndex].vt_idx;
Vector3 vert = { objAttributes.vertices[vertIndex * 3], objAttributes.vertices[vertIndex * 3 + 1] , objAttributes.vertices[vertIndex * 3 + 2] };
Vector3 normal = { objAttributes.normals[normalIndex * 3], objAttributes.normals[normalIndex * 3 + 1] , objAttributes.normals[normalIndex * 3 + 2] };
Vector2 uv = { objAttributes.texcoords[texcordIndex * 2], objAttributes.texcoords[texcordIndex * 2 + 1] };
for (int i = 0; i < 3; i++) for (int i = 0; i < 3; i++)
model.meshes[meshIndex].vertices[localMeshVertexCount * 3 + i] = objAttributes.vertices[vertIndex * 3 + i]; model.meshes[meshIndex].vertices[localMeshVertexCount * 3 + i] = objAttributes.vertices[vertIndex * 3 + i];