Function _encode_buffer_glb

exporters/scene_exporter.cpp:483–526

}

Error _encode_buffer_glb(Ref<GLTFState> p_state, const String &p_path, Vector<String> &r_buffer_paths) {
	auto state_buffers = p_state->get_buffers();
	print_verbose("glTF: Total buffers: " + itos(state_buffers.size()));

	if (state_buffers.is_empty() || _all_buffers_empty(state_buffers)) {
		ERR_FAIL_COND_V_MSG(!p_state->get_buffer_views().is_empty(), ERR_INVALID_DATA, "glTF: Buffer views are present, but buffers are empty.");
		return OK;
	}
	Array buffers;
	Dictionary gltf_buffer;

	gltf_buffer["byteLength"] = state_buffers[0].size();
	buffers.push_back(gltf_buffer);

	for (GLTFBufferIndex i = 1; i < state_buffers.size() - 1; i++) {
		Vector<uint8_t> buffer_data = state_buffers[i];
		if (buffer_data.is_empty()) {
			if (i < state_buffers.size() - 1 && !_all_buffers_empty(state_buffers, i + 1)) {
				// have to push back a dummy buffer to avoid changing the buffer index
				WARN_PRINT("glTF: Buffer " + itos(i) + " is empty, but there are non-empty subsequent buffers.");
				gltf_buffer["byteLength"] = 0;
				buffers.push_back(gltf_buffer);
			}
			continue;
		}
		Dictionary gltf_buffer;
		String filename = p_path.get_basename().get_file() + itos(i) + ".bin";
		String path = p_path.get_base_dir() + "/" + filename;
		Error err;
		Ref<FileAccess> file = FileAccess::open(path, FileAccess::WRITE, &err);
		if (file.is_null()) {
			return err;
		}
		r_buffer_paths.push_back(path);
		file->create(FileAccess::ACCESS_RESOURCES);
		file->store_buffer(buffer_data.ptr(), buffer_data.size());
		gltf_buffer["uri"] = filename;
		gltf_buffer["byteLength"] = buffer_data.size();
		buffers.push_back(gltf_buffer);
	}
	p_state->get_json()["buffers"] = buffers;

	return OK;
}

Error _encode_buffer_bins(Ref<GLTFState> p_state, const String &p_path, Vector<String> &r_buffer_paths) {
	auto state_buffers = p_state->get_buffers();