function noise_texture_node_init() {
	array_push(nodes_material_texture, noise_texture_node_def);
	map_set(parser_material_node_vectors, "TEX_NOISE", noise_texture_node_vector);
	map_set(parser_material_node_values, "TEX_NOISE", noise_texture_node_value);
}

let str_tex_noise: string = "\
fun hash(n: float): float { return frac(sin(n) * 10000.0); } \
fun tex_noise_f(x: float3): float { \
    var step: float3 = float3(110.0, 241.0, 171.0); \
    var i: float3 = floor3(x); \
    var f: float3 = frac3(x); \
    var n: float = dot(i, step); \
    var u: float3 = f * f * (3.0 - 2.0 * f); \
    return lerp(lerp(lerp(hash(n + dot(step, float3(0.0, 0.0, 0.0))), hash(n + dot(step, float3(1.0, 0.0, 0.0))), u.x), \
                     lerp(hash(n + dot(step, float3(0.0, 1.0, 0.0))), hash(n + dot(step, float3(1.0, 1.0, 0.0))), u.x), u.y), \
                lerp(lerp(hash(n + dot(step, float3(0.0, 0.0, 1.0))), hash(n + dot(step, float3(1.0, 0.0, 1.0))), u.x), \
                     lerp(hash(n + dot(step, float3(0.0, 1.0, 1.0))), hash(n + dot(step, float3(1.0, 1.0, 1.0))), u.x), u.y), u.z); \
} \
fun tex_noise(p: float3): float { \
	p = p * 1.25; \
	var f: float = 0.5 * tex_noise_f(p); p = p * 2.01; \
	f += 0.25 * tex_noise_f(p); p = p * 2.02; \
	f += 0.125 * tex_noise_f(p); p = p * 2.03; \
	f += 0.0625 * tex_noise_f(p); \
	return 1.0 - f; \
} \
";

function noise_texture_node_vector(node: ui_node_t, socket: ui_node_socket_t): string {
	node_shader_add_function(parser_material_kong, str_tex_noise);
	let co: string    = parser_material_get_coord(node);
	let scale: string = parser_material_parse_value_input(node.inputs[1]);
	let res: string =
	    "float3(tex_noise(" + co + " * " + scale + "), tex_noise(" + co + " * " + scale + " + 0.33), tex_noise(" + co + " * " + scale + " + 0.66))";
	return res;
}

function noise_texture_node_value(node: ui_node_t, socket: ui_node_socket_t): string {
	node_shader_add_function(parser_material_kong, str_tex_noise);
	let co: string    = parser_material_get_coord(node);
	let scale: string = parser_material_parse_value_input(node.inputs[1]);
	let res: string   = "tex_noise(" + co + " * " + scale + ")";
	return res;
}

let noise_texture_node_def: ui_node_t = {
	id : 0,
	name : _tr("Noise Texture"),
	type : "TEX_NOISE",
	x : 0,
	y : 0,
	color : 0xff4982a0,
	inputs : [
		{
			id : 0,
			node_id : 0,
			name : _tr("Vector"),
			type : "VECTOR",
			color : 0xff6363c7,
			default_value : f32_array_create_xyz(0.0, 0.0, 0.0),
			min : 0.0,
			max : 1.0,
			precision : 100,
			display : 0
		},
		{
			id : 0,
			node_id : 0,
			name : _tr("Scale"),
			type : "VALUE",
			color : 0xffa1a1a1,
			default_value : f32_array_create_x(5.0),
			min : 0.0,
			max : 10.0,
			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
		},
		{
			id : 0,
			node_id : 0,
			name : _tr("Factor"),
			type : "VALUE",
			color : 0xffa1a1a1,
			default_value : f32_array_create_x(1.0),
			min : 0.0,
			max : 1.0,
			precision : 100,
			display : 0
		}
	],
	buttons : [],
	width : 0,
	flags : 0
};