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Fixed gltf missing transforms on load

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mend
This commit is contained in:
MrDiver 2021-08-28 18:50:27 +02:00
parent 59e7275464
commit d1e97b5955
1 changed files with 21 additions and 5 deletions
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26
src/models.c
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@ -5448,15 +5448,31 @@ void LoadGLTFMesh(cgltf_data *data, cgltf_mesh *mesh, Model *outModel, Matrix cu
void LoadGLTFNode(cgltf_data *data, cgltf_node *node, Model *outModel, Matrix currentTransform, int *primitiveIndex, const char *fileName)
{
Matrix nodeTransform = {
// Apply the transforms if they exist (Will still be applied even if no mesh is present to support emptys and bone structures)
if(node->has_matrix){
Matrix nodeTransform = {
node->matrix[0], node->matrix[4], node->matrix[8], node->matrix[12],
node->matrix[1], node->matrix[5], node->matrix[9], node->matrix[13],
node->matrix[2], node->matrix[6], node->matrix[10], node->matrix[14],
node->matrix[3], node->matrix[7], node->matrix[11], node->matrix[15] };
currentTransform = MatrixMultiply(nodeTransform, currentTransform);
if (node->mesh != NULL) LoadGLTFMesh(data, node->mesh, outModel, currentTransform, primitiveIndex, fileName);
currentTransform = MatrixMultiply(nodeTransform, currentTransform);
}
if(node->has_translation){
Matrix tl = MatrixTranslate(node->translation[0],node->translation[1],node->translation[2]);
currentTransform = MatrixMultiply(tl, currentTransform);
}
if(node->has_rotation){
Matrix rot = QuaternionToMatrix((Quaternion){node->rotation[0],node->rotation[1],node->rotation[2],node->rotation[3]});
currentTransform = MatrixMultiply(rot, currentTransform);
}
if(node->has_scale){
Matrix scale = MatrixScale(node->scale[0],node->scale[1],node->scale[2]);
currentTransform = MatrixMultiply(scale, currentTransform);
}
// Load mesh if it exists
if (node->mesh != NULL){
LoadGLTFMesh(data, node->mesh, outModel, currentTransform, primitiveIndex, fileName);
}
for (unsigned int i = 0; i < node->children_count; i++) LoadGLTFNode(data, node->children[i], outModel, currentTransform, primitiveIndex, fileName);
}