Method _set

compat/fake_mesh.cpp:421–589

} //namespace

bool FakeMesh::_set(const StringName &p_name, const Variant &p_value) {
	String sname = p_name;

	if (sname.begins_with("surface_")) {
		int sl = sname.find_char('/');
		if (sl == -1) {
			return false;
		}
		int idx = sname.substr(8, sl - 8).to_int();

		String what = sname.get_slicec('/', 1);
		if (what == "material") {
			surfaces.write[idx].material = get_material(p_value, load_type);
		} else if (what == "name") {
			surfaces.write[idx].name = p_value;
		}
		return true;
	}

#ifndef DISABLE_DEPRECATED
	// Kept for compatibility from 3.x to 4.0.
	if (p_name == "blend_shape/names") {
		_set_blend_shape_names(p_value);
		return true;
	}

	if (p_name == "blend_shape/mode") {
		set_blend_shape_mode(BlendShapeMode(int(p_value)));
		return true;
	}

	if (!sname.begins_with("surfaces")) {
		return false;
	}

	WARN_DEPRECATED_MSG(vformat(
			"Mesh uses old surface format, which is deprecated (and loads slower). Consider re-importing or re-saving the scene. Path: \"%s\"",
			get_path()));

	int idx = sname.get_slicec('/', 1).to_int();
	String what = sname.get_slicec('/', 2);

	if (idx == surfaces.size()) {
		//create
		Dictionary d = p_value;
		ERR_FAIL_COND_V(!d.has("primitive"), false);

		if (d.has("arrays")) {
			//oldest format (2.x)
			ERR_FAIL_COND_V(!d.has("morph_arrays"), false);
			Array morph_arrays = d["morph_arrays"];
			for (int i = 0; i < morph_arrays.size(); i++) {
				morph_arrays[i] = _convert_old_array(morph_arrays[i]);
			}
			add_surface_from_arrays(_old_primitives[int(d["primitive"])], _convert_old_array(d["arrays"]), morph_arrays);

		} else if (d.has("array_data")) {
			//print_line("array data (old style");