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Avoid loading texcoords and normasl from model if not existent

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raysan5 2020-05-18 18:35:47 +02:00
parent 6acb7bcfe4
commit b3eea3d322
1 changed files with 18 additions and 12 deletions
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30
src/models.c
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@ -2942,19 +2942,25 @@ static Model LoadOBJ(const char *fileName)
for (int v = 0; v < 3; v++) { mesh.vertices[vCount + v] = attrib.vertices[idx1.v_idx*3 + v]; } vCount +=3;
for (int v = 0; v < 3; v++) { mesh.vertices[vCount + v] = attrib.vertices[idx2.v_idx*3 + v]; } vCount +=3;
// Fill texcoords buffer (float) using vertex index of the face
// NOTE: Y-coordinate must be flipped upside-down
mesh.texcoords[vtCount + 0] = attrib.texcoords[idx0.vt_idx*2 + 0];
mesh.texcoords[vtCount + 1] = 1.0f - attrib.texcoords[idx0.vt_idx*2 + 1]; vtCount += 2;
mesh.texcoords[vtCount + 0] = attrib.texcoords[idx1.vt_idx*2 + 0];
mesh.texcoords[vtCount + 1] = 1.0f - attrib.texcoords[idx1.vt_idx*2 + 1]; vtCount += 2;
mesh.texcoords[vtCount + 0] = attrib.texcoords[idx2.vt_idx*2 + 0];
mesh.texcoords[vtCount + 1] = 1.0f - attrib.texcoords[idx2.vt_idx*2 + 1]; vtCount += 2;
if (attrib.num_texcoords > 0)
{
// Fill texcoords buffer (float) using vertex index of the face
// NOTE: Y-coordinate must be flipped upside-down
mesh.texcoords[vtCount + 0] = attrib.texcoords[idx0.vt_idx*2 + 0];
mesh.texcoords[vtCount + 1] = 1.0f - attrib.texcoords[idx0.vt_idx*2 + 1]; vtCount += 2;
mesh.texcoords[vtCount + 0] = attrib.texcoords[idx1.vt_idx*2 + 0];
mesh.texcoords[vtCount + 1] = 1.0f - attrib.texcoords[idx1.vt_idx*2 + 1]; vtCount += 2;
mesh.texcoords[vtCount + 0] = attrib.texcoords[idx2.vt_idx*2 + 0];
mesh.texcoords[vtCount + 1] = 1.0f - attrib.texcoords[idx2.vt_idx*2 + 1]; vtCount += 2;
}
// Fill normals buffer (float) using vertex index of the face
for (int v = 0; v < 3; v++) { mesh.normals[vnCount + v] = attrib.normals[idx0.vn_idx*3 + v]; } vnCount +=3;
for (int v = 0; v < 3; v++) { mesh.normals[vnCount + v] = attrib.normals[idx1.vn_idx*3 + v]; } vnCount +=3;
for (int v = 0; v < 3; v++) { mesh.normals[vnCount + v] = attrib.normals[idx2.vn_idx*3 + v]; } vnCount +=3;
if (attrib.num_normals > 0)
{
// Fill normals buffer (float) using vertex index of the face
for (int v = 0; v < 3; v++) { mesh.normals[vnCount + v] = attrib.normals[idx0.vn_idx*3 + v]; } vnCount +=3;
for (int v = 0; v < 3; v++) { mesh.normals[vnCount + v] = attrib.normals[idx1.vn_idx*3 + v]; } vnCount +=3;
for (int v = 0; v < 3; v++) { mesh.normals[vnCount + v] = attrib.normals[idx2.vn_idx*3 + v]; } vnCount +=3;
}
}
model.meshes[m] = mesh; // Assign mesh data to model