diff options
Diffstat (limited to 'modules/gltf/gltf_state.cpp')
| -rw-r--r-- | modules/gltf/gltf_state.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/modules/gltf/gltf_state.cpp b/modules/gltf/gltf_state.cpp index 766fe41257..0c47d5777c 100644 --- a/modules/gltf/gltf_state.cpp +++ b/modules/gltf/gltf_state.cpp @@ -34,6 +34,8 @@ void GLTFState::_bind_methods() { ClassDB::bind_method(D_METHOD("add_used_extension", "extension_name", "required"), &GLTFState::add_used_extension); + ClassDB::bind_method(D_METHOD("append_data_to_buffers", "data", "deduplication"), &GLTFState::append_data_to_buffers); + ClassDB::bind_method(D_METHOD("get_json"), &GLTFState::get_json); ClassDB::bind_method(D_METHOD("set_json", "json"), &GLTFState::set_json); ClassDB::bind_method(D_METHOD("get_major_version"), &GLTFState::get_major_version); @@ -399,3 +401,29 @@ Variant GLTFState::get_additional_data(const StringName &p_extension_name) { void GLTFState::set_additional_data(const StringName &p_extension_name, Variant p_additional_data) { additional_data[p_extension_name] = p_additional_data; } + +GLTFBufferViewIndex GLTFState::append_data_to_buffers(const Vector<uint8_t> &p_data, const bool p_deduplication = false) { + if (p_deduplication) { + for (int i = 0; i < buffer_views.size(); i++) { + Ref<GLTFBufferView> buffer_view = buffer_views[i]; + Vector<uint8_t> buffer_view_data = buffer_view->load_buffer_view_data(this); + if (buffer_view_data == p_data) { + return i; + } + } + } + // Append the given data to a buffer and create a buffer view for it. + if (unlikely(buffers.is_empty())) { + buffers.push_back(Vector<uint8_t>()); + } + Vector<uint8_t> &destination_buffer = buffers.write[0]; + Ref<GLTFBufferView> buffer_view; + buffer_view.instantiate(); + buffer_view->set_buffer(0); + buffer_view->set_byte_offset(destination_buffer.size()); + buffer_view->set_byte_length(p_data.size()); + destination_buffer.append_array(p_data); + const int new_index = buffer_views.size(); + buffer_views.push_back(buffer_view); + return new_index; +} |