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Diffstat (limited to 'modules/gltf/gltf_document.cpp')
-rw-r--r--modules/gltf/gltf_document.cpp87
1 files changed, 64 insertions, 23 deletions
diff --git a/modules/gltf/gltf_document.cpp b/modules/gltf/gltf_document.cpp
index b8da3a713b..a5e56640ed 100644
--- a/modules/gltf/gltf_document.cpp
+++ b/modules/gltf/gltf_document.cpp
@@ -120,26 +120,26 @@ Error GLTFDocument::serialize(Ref<GLTFState> state, Node *p_root, const String &
return Error::FAILED;
}
- /* STEP 7 SERIALIZE IMAGES */
- err = _serialize_images(state, p_path);
+ /* STEP 7 SERIALIZE ANIMATIONS */
+ err = _serialize_animations(state);
if (err != OK) {
return Error::FAILED;
}
- /* STEP 8 SERIALIZE TEXTURES */
- err = _serialize_textures(state);
+ /* STEP 8 SERIALIZE ACCESSORS */
+ err = _encode_accessors(state);
if (err != OK) {
return Error::FAILED;
}
- // /* STEP 9 SERIALIZE ANIMATIONS */
- err = _serialize_animations(state);
+ /* STEP 9 SERIALIZE IMAGES */
+ err = _serialize_images(state, p_path);
if (err != OK) {
return Error::FAILED;
}
- /* STEP 10 SERIALIZE ACCESSORS */
- err = _encode_accessors(state);
+ /* STEP 10 SERIALIZE TEXTURES */
+ err = _serialize_textures(state);
if (err != OK) {
return Error::FAILED;
}
@@ -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()));
@@ -2498,8 +2515,7 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) {
ERR_FAIL_COND_V(!d.has("primitives"), ERR_PARSE_ERROR);
Array primitives = d["primitives"];
- const Dictionary &extras = d.has("extras") ? (Dictionary)d["extras"] :
- Dictionary();
+ const Dictionary &extras = d.has("extras") ? (Dictionary)d["extras"] : Dictionary();
Ref<ImporterMesh> import_mesh;
import_mesh.instantiate();
String mesh_name = "mesh";
@@ -3455,6 +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()));
@@ -4369,6 +4388,10 @@ Error GLTFDocument::_serialize_skins(Ref<GLTFState> state) {
json_skin["name"] = gltf_skin->get_name();
json_skins.push_back(json_skin);
}
+ if (!state->skins.size()) {
+ return OK;
+ }
+
state->json["skins"] = json_skins;
return OK;
}
@@ -4834,6 +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()) + "'.");
@@ -5054,6 +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();
@@ -5443,7 +5481,7 @@ void GLTFDocument::_convert_multi_mesh_instance_to_gltf(
transform = p_multi_mesh_instance->get_transform() * transform;
} else if (multi_mesh->get_transform_format() == MultiMesh::TRANSFORM_3D) {
transform = p_multi_mesh_instance->get_transform() *
- multi_mesh->get_instance_transform(instance_i);
+ multi_mesh->get_instance_transform(instance_i);
}
Ref<GLTFNode> new_gltf_node;
new_gltf_node.instantiate();
@@ -6460,7 +6498,7 @@ void GLTFDocument::_convert_animation(Ref<GLTFState> state, AnimationPlayer *ap,
for (int32_t shape_i = 0; shape_i < mesh->get_blend_shape_count(); shape_i++) {
String shape_name = mesh->get_blend_shape_name(shape_i);
NodePath shape_path = String(path) + ":" + shape_name;
- int32_t shape_track_i = animation->find_track(shape_path);
+ int32_t shape_track_i = animation->find_track(shape_path, Animation::TYPE_BLEND_SHAPE);
if (shape_track_i == -1) {
GLTFAnimation::Channel<float> weight;
weight.interpolation = GLTFAnimation::INTERP_LINEAR;
@@ -6756,33 +6794,36 @@ Error GLTFDocument::_serialize_file(Ref<GLTFState> state, const String p_path) {
const uint32_t magic = 0x46546C67; // GLTF
const int32_t header_size = 12;
const int32_t chunk_header_size = 8;
-
- for (int32_t pad_i = 0; pad_i < (chunk_header_size + json.utf8().length()) % 4; pad_i++) {
- json += " ";
- }
CharString cs = json.utf8();
- const uint32_t text_chunk_length = cs.length();
-
+ const uint32_t text_data_length = cs.length();
+ const uint32_t text_chunk_length = ((text_data_length + 3) & (~3));
const uint32_t text_chunk_type = 0x4E4F534A; //JSON
- int32_t binary_data_length = 0;
+
+ uint32_t binary_data_length = 0;
if (state->buffers.size()) {
binary_data_length = state->buffers[0].size();
}
- const int32_t binary_chunk_length = binary_data_length;
- const int32_t binary_chunk_type = 0x004E4942; //BIN
+ const uint32_t binary_chunk_length = ((binary_data_length + 3) & (~3));
+ const uint32_t binary_chunk_type = 0x004E4942; //BIN
f->create(FileAccess::ACCESS_RESOURCES);
f->store_32(magic);
f->store_32(state->major_version); // version
- f->store_32(header_size + chunk_header_size + text_chunk_length + chunk_header_size + binary_data_length); // length
+ f->store_32(header_size + chunk_header_size + text_chunk_length + chunk_header_size + binary_chunk_length); // length
f->store_32(text_chunk_length);
f->store_32(text_chunk_type);
f->store_buffer((uint8_t *)&cs[0], cs.length());
+ for (uint32_t pad_i = text_data_length; pad_i < text_chunk_length; pad_i++) {
+ f->store_8(' ');
+ }
if (binary_chunk_length) {
f->store_32(binary_chunk_length);
f->store_32(binary_chunk_type);
f->store_buffer(state->buffers[0].ptr(), binary_data_length);
}
+ for (uint32_t pad_i = binary_data_length; pad_i < binary_chunk_length; pad_i++) {
+ f->store_8(0);
+ }
f->close();
} else {
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-05 23:33:37 +0000