Merge pull request #83498 from SaracenOne/mesh_unwrap_rules

Mesh instance UV2 unwrapping improvements
This commit is contained in:
Rémi Verschelde 2023-10-28 12:30:22 +02:00
commit fe64786a91
No known key found for this signature in database
GPG Key ID: C3336907360768E1
2 changed files with 65 additions and 35 deletions

View File

@ -1279,13 +1279,11 @@ void EditorNode::save_resource_as(const Ref<Resource> &p_resource, const String
return;
}
}
} else {
if (FileAccess::exists(path + ".import")) {
} else if (FileAccess::exists(path + ".import")) {
show_warning(TTR("This resource can't be saved because it was imported from another file. Make it unique first."));
return;
}
}
}
file->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
saving_resource = p_resource;
@ -4063,12 +4061,10 @@ bool EditorNode::is_resource_read_only(Ref<Resource> p_resource, bool p_foreign_
}
}
}
} else {
} else if (FileAccess::exists(path + ".import")) {
// The resource is not a subresource, but if it has an .import file, it's imported so treat it as read only.
if (FileAccess::exists(path + ".import")) {
return true;
}
}
return false;
}

View File

@ -301,21 +301,14 @@ void MeshInstance3DEditor::_menu_option(int p_option) {
ur->commit_action();
} break;
case MENU_OPTION_CREATE_UV2: {
Ref<PrimitiveMesh> primitive_mesh = Object::cast_to<PrimitiveMesh>(*node->get_mesh());
if (primitive_mesh.is_valid()) {
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Unwrap UV2"));
ur->add_do_method(*primitive_mesh, "set_add_uv2", true);
ur->add_undo_method(*primitive_mesh, "set_add_uv2", primitive_mesh->get_add_uv2());
ur->commit_action();
} else {
Ref<ArrayMesh> mesh2 = node->get_mesh();
if (!mesh2.is_valid()) {
err_dialog->set_text(TTR("Contained Mesh is not of type ArrayMesh."));
Ref<Mesh> mesh2 = node->get_mesh();
if (!mesh.is_valid()) {
err_dialog->set_text(TTR("No mesh to unwrap."));
err_dialog->popup_centered();
return;
}
// Test if we are allowed to unwrap this mesh resource.
String path = mesh2->get_path();
int srpos = path.find("::");
if (srpos != -1) {
@ -341,7 +334,48 @@ void MeshInstance3DEditor::_menu_option(int p_option) {
}
}
Ref<ArrayMesh> unwrapped_mesh = mesh2->duplicate(false);
Ref<PrimitiveMesh> primitive_mesh = mesh2;
if (primitive_mesh.is_valid()) {
EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
ur->create_action(TTR("Unwrap UV2"));
ur->add_do_method(*primitive_mesh, "set_add_uv2", true);
ur->add_undo_method(*primitive_mesh, "set_add_uv2", primitive_mesh->get_add_uv2());
ur->commit_action();
} else {
Ref<ArrayMesh> array_mesh = mesh2;
if (!array_mesh.is_valid()) {
err_dialog->set_text(TTR("Contained Mesh is not of type ArrayMesh."));
err_dialog->popup_centered();
return;
}
// Preemptively evaluate common fail cases for lightmap unwrapping.
{
if (array_mesh->get_blend_shape_count() > 0) {
err_dialog->set_text(TTR("Can't unwrap mesh with blend shapes."));
err_dialog->popup_centered();
return;
}
for (int i = 0; i < array_mesh->get_surface_count(); i++) {
Mesh::PrimitiveType primitive = array_mesh->surface_get_primitive_type(i);
if (primitive != Mesh::PRIMITIVE_TRIANGLES) {
err_dialog->set_text(TTR("Only triangles are supported for lightmap unwrap."));
err_dialog->popup_centered();
return;
}
uint64_t format = array_mesh->surface_get_format(i);
if (format & Mesh::ArrayFormat::ARRAY_FORMAT_NORMAL) {
err_dialog->set_text(TTR("Normals are required for lightmap unwrap."));
err_dialog->popup_centered();
return;
}
}
}
Ref<ArrayMesh> unwrapped_mesh = array_mesh->duplicate(false);
Error err = unwrapped_mesh->lightmap_unwrap(node->get_global_transform());
if (err != OK) {
@ -355,9 +389,9 @@ void MeshInstance3DEditor::_menu_option(int p_option) {
ur->add_do_method(node, "set_mesh", unwrapped_mesh);
ur->add_do_reference(node);
ur->add_do_reference(mesh2.ptr());
ur->add_do_reference(array_mesh.ptr());
ur->add_undo_method(node, "set_mesh", mesh2);
ur->add_undo_method(node, "set_mesh", array_mesh);
ur->add_undo_reference(unwrapped_mesh.ptr());
ur->commit_action();