function warp_node_init() {
	array_push(nodes_material_color, warp_node_def);
	map_set(parser_material_node_vectors, "DIRECT_WARP", warp_node_vector);
}

function warp_node_vector(node: ui_node_t, socket: ui_node_socket_t): string {
	if (parser_material_warp_passthrough) {
		return parser_material_parse_vector_input(node.inputs[0]);
	}
	let angle: string    = parser_material_parse_value_input(node.inputs[1], true);
	let mask: string     = parser_material_parse_value_input(node.inputs[2], true);
	let tex_name: string = "texwarp_" + parser_material_node_name(node);
	node_shader_add_texture(parser_material_kong, "" + tex_name, "_" + tex_name);
	let store: string = parser_material_store_var_name(node);
	let pi: f32       = math_pi();
	parser_material_write(parser_material_kong, "var " + store + "_rad: float = " + angle + " * (" + pi + " / 180.0);");
	parser_material_write(parser_material_kong, "var " + store + "_x: float = cos(" + store + "_rad);");
	parser_material_write(parser_material_kong, "var " + store + "_y: float = sin(" + store + "_rad);");
	return "sample(" + tex_name + ", sampler_linear, tex_coord + float2(" + store + "_x, " + store + "_y) * " + mask + ").rgb";
}

let warp_node_def: ui_node_t = {
	id : 0,
	name : _tr("Warp"),
	type : "DIRECT_WARP", // extension
	x : 0,
	y : 0,
	color : 0xff448c6d,
	inputs : [
		{
			id : 0,
			node_id : 0,
			name : _tr("Color"),
			type : "RGBA",
			color : 0xffc7c729,
			default_value : f32_array_create_xyzw(0.8, 0.8, 0.8, 1.0),
			min : 0.0,
			max : 1.0,
			precision : 100,
			display : 0
		},
		{
			id : 0,
			node_id : 0,
			name : _tr("Angle"),
			type : "VALUE",
			color : 0xffa1a1a1,
			default_value : f32_array_create_x(0.0),
			min : 0.0,
			max : 360.0,
			precision : 100,
			display : 0
		},
		{
			id : 0,
			node_id : 0,
			name : _tr("Mask"),
			type : "VALUE",
			color : 0xffa1a1a1,
			default_value : f32_array_create_x(0.5),
			min : 0.0,
			max : 1.0,
			precision : 100,
			display : 0
		}
	],
	outputs : [ {
		id : 0,
		node_id : 0,
		name : _tr("Color"),
		type : "RGBA",
		color : 0xffc7c729,
		default_value : f32_array_create_xyzw(0.8, 0.8, 0.8, 1.0),
		min : 0.0,
		max : 1.0,
		precision : 100,
		display : 0
	} ],
	buttons : [],
	width : 0,
	flags : 0
};