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Merge pull request #54494 from lyuma/fix_override_materials

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glTF: Fix override materials and non-empty arrays
This commit is contained in:
Rémi Verschelde 2021-11-02 08:11:57 +01:00 committed by GitHub
commit ce9e90af01
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 52 additions and 1 deletions
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2
modules/gltf/doc_classes/GLTFMesh.xml
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@ -9,6 +9,8 @@
<members>
<member name="blend_weights" type="PackedFloat32Array" setter="set_blend_weights" getter="get_blend_weights" default="PackedFloat32Array()">
</member>
<member name="instance_materials" type="Array" setter="set_instance_materials" getter="get_instance_materials" default="[]">
</member>
<member name="mesh" type="ImporterMesh" setter="set_mesh" getter="get_mesh">
</member>
</members>

37
modules/gltf/gltf_document.cpp
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@ -795,6 +795,9 @@ Error GLTFDocument::_encode_buffer_views(Ref<GLTFState> state) {
buffers.push_back(d);
}
print_verbose("glTF: Total buffer views: " + itos(state->buffer_views.size()));
if (!buffers.size()) {
return OK;
}
state->json["bufferViews"] = buffers;
return OK;
}
@ -884,6 +887,9 @@ Error GLTFDocument::_encode_accessors(Ref<GLTFState> state) {
accessors.push_back(d);
}
if (!accessors.size()) {
return OK;
}
state->json["accessors"] = accessors;
ERR_FAIL_COND_V(!state->json.has("accessors"), ERR_FILE_CORRUPT);
print_verbose("glTF: Total accessors: " + itos(state->accessors.size()));
@ -2112,6 +2118,7 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) {
if (import_mesh.is_null()) {
continue;
}
Array instance_materials = state->meshes.write[gltf_mesh_i]->get_instance_materials();
Array primitives;
Dictionary gltf_mesh;
Array target_names;
@ -2431,7 +2438,14 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) {
}
}
Ref<BaseMaterial3D> mat = import_mesh->get_surface_material(surface_i);
Variant v;
if (surface_i < instance_materials.size()) {
v = instance_materials.get(surface_i);
}
Ref<BaseMaterial3D> mat = v;
if (!mat.is_valid()) {
mat = import_mesh->get_surface_material(surface_i);
}
if (mat.is_valid()) {
Map<Ref<BaseMaterial3D>, GLTFMaterialIndex>::Element *material_cache_i = state->material_cache.find(mat);
if (material_cache_i && material_cache_i->get() != -1) {
@ -2475,6 +2489,9 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) {
meshes.push_back(gltf_mesh);
}
if (!meshes.size()) {
return OK;
}
state->json["meshes"] = meshes;
print_verbose("glTF: Total meshes: " + itos(meshes.size()));
@ -3454,6 +3471,9 @@ Error GLTFDocument::_serialize_materials(Ref<GLTFState> state) {
}
materials.push_back(d);
}
if (!materials.size()) {
return OK;
}
state->json["materials"] = materials;
print_verbose("Total materials: " + itos(state->materials.size()));
@ -4837,6 +4857,9 @@ Error GLTFDocument::_serialize_animations(Ref<GLTFState> state) {
}
}
if (!animations.size()) {
return OK;
}
state->json["animations"] = animations;
print_verbose("glTF: Total animations '" + itos(state->animations.size()) + "'.");
@ -5057,6 +5080,18 @@ GLTFMeshIndex GLTFDocument::_convert_mesh_to_gltf(Ref<GLTFState> state, MeshInst
}
Ref<GLTFMesh> gltf_mesh;
gltf_mesh.instantiate();
Array instance_materials;
for (int32_t surface_i = 0; surface_i < current_mesh->get_surface_count(); surface_i++) {
Ref<Material> mat = current_mesh->get_surface_material(surface_i);
if (p_mesh_instance->get_surface_override_material(surface_i).is_valid()) {
mat = p_mesh_instance->get_surface_override_material(surface_i);
}
if (p_mesh_instance->get_material_override().is_valid()) {
mat = p_mesh_instance->get_material_override();
}
instance_materials.append(mat);
}
gltf_mesh->set_instance_materials(instance_materials);
gltf_mesh->set_mesh(current_mesh);
gltf_mesh->set_blend_weights(blend_weights);
GLTFMeshIndex mesh_i = state->meshes.size();

11
modules/gltf/gltf_mesh.cpp
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@ -36,9 +36,12 @@ void GLTFMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_mesh", "mesh"), &GLTFMesh::set_mesh);
ClassDB::bind_method(D_METHOD("get_blend_weights"), &GLTFMesh::get_blend_weights);
ClassDB::bind_method(D_METHOD("set_blend_weights", "blend_weights"), &GLTFMesh::set_blend_weights);
ClassDB::bind_method(D_METHOD("get_instance_materials"), &GLTFMesh::get_instance_materials);
ClassDB::bind_method(D_METHOD("set_instance_materials", "instance_materials"), &GLTFMesh::set_instance_materials);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh"), "set_mesh", "get_mesh");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_FLOAT32_ARRAY, "blend_weights"), "set_blend_weights", "get_blend_weights"); // Vector<float>
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "instance_materials"), "set_instance_materials", "get_instance_materials");
}
Ref<ImporterMesh> GLTFMesh::get_mesh() {
@ -49,6 +52,14 @@ void GLTFMesh::set_mesh(Ref<ImporterMesh> p_mesh) {
mesh = p_mesh;
}
Array GLTFMesh::get_instance_materials() {
return instance_materials;
}
void GLTFMesh::set_instance_materials(Array p_instance_materials) {
instance_materials = p_instance_materials;
}
Vector<float> GLTFMesh::get_blend_weights() {
return blend_weights;
}

3
modules/gltf/gltf_mesh.h
View File

@ -43,6 +43,7 @@ class GLTFMesh : public Resource {
private:
Ref<ImporterMesh> mesh;
Vector<float> blend_weights;
Array instance_materials;
protected:
static void _bind_methods();
@ -52,5 +53,7 @@ public:
void set_mesh(Ref<ImporterMesh> p_mesh);
Vector<float> get_blend_weights();
void set_blend_weights(Vector<float> p_blend_weights);
Array get_instance_materials();
void set_instance_materials(Array p_instance_materials);
};
#endif // GLTF_MESH_H