function vector_math2_node_init() {
	array_push(nodes_material_utilities, vector_math2_node_def);
	map_set(parser_material_node_vectors, "VECT_MATH", vector_math2_node_vector);
	map_set(parser_material_node_values, "VECT_MATH", vector_math2_node_value);
}

function vector_math2_node_vector(node: ui_node_t, socket: ui_node_socket_t): string {
	let vec1: string          = parser_material_parse_vector_input(node.inputs[0]);
	let vec2: string          = parser_material_parse_vector_input(node.inputs[1]);
	let but: ui_node_button_t = node.buttons[0]; // operation;
	let op: string            = to_upper_case(u8_array_string_at(but.data, but.default_value[0]));
	op                        = string_replace_all(op, " ", "_");
	if (op == "ADD") {
		return "(" + vec1 + " + " + vec2 + ")";
	}
	else if (op == "SUBTRACT") {
		return "(" + vec1 + " - " + vec2 + ")";
	}
	else if (op == "AVERAGE") {
		return "((" + vec1 + " + " + vec2 + ") / 2.0)";
	}
	else if (op == "DOT_PRODUCT") {
		return parser_material_to_vec3("dot(" + vec1 + ", " + vec2 + ")");
	}
	else if (op == "LENGTH") {
		return parser_material_to_vec3("length(" + vec1 + ")");
	}
	else if (op == "DISTANCE") {
		return parser_material_to_vec3("distance(" + vec1 + ", " + vec2 + ")");
	}
	else if (op == "CROSS_PRODUCT") {
		return "cross(" + vec1 + ", " + vec2 + ")";
	}
	else if (op == "NORMALIZE") {
		return "normalize(" + vec1 + ")";
	}
	else if (op == "MULTIPLY") {
		return "(" + vec1 + " * " + vec2 + ")";
	}
	else if (op == "DIVIDE") {
		let store: string = parser_material_store_var_name(node) + "_vec2";
		parser_material_write(parser_material_kong, "var " + store + ": float3 = " + vec2 + ";");
		parser_material_write(parser_material_kong, "if (" + store + ".x == 0.0) { " + store + ".x = 0.000001; }");
		parser_material_write(parser_material_kong, "if (" + store + ".y == 0.0) { " + store + ".y = 0.000001; }");
		parser_material_write(parser_material_kong, "if (" + store + ".z == 0.0) { " + store + ".z = 0.000001; }");
		return "(" + vec1 + " / " + vec2 + ")";
	}
	else if (op == "PROJECT") {
		return "(dot(" + vec1 + ", " + vec2 + ") / dot(" + vec2 + ", " + vec2 + ") * " + vec2 + ")";
	}
	else if (op == "REFLECT") {
		return "reflect(" + vec1 + ", normalize(" + vec2 + "))";
	}
	else if (op == "SCALE") {
		return "(" + vec2 + ".x * " + vec1 + ")";
	}
	else if (op == "ABSOLUTE") {
		return "abs3(" + vec1 + ")";
	}
	else if (op == "MINIMUM") {
		return "min3(" + vec1 + ", " + vec2 + ")";
	}
	else if (op == "MAXIMUM") {
		return "max3(" + vec1 + ", " + vec2 + ")";
	}
	else if (op == "FLOOR") {
		return "floor3(" + vec1 + ")";
	}
	else if (op == "CEIL") {
		return "ceil3(" + vec1 + ")";
	}
	else if (op == "FRACTION") {
		return "frac3(" + vec1 + ")";
	}
	else if (op == "MODULO") {
		return "(" + vec1 + " % " + vec2 + ")";
	}
	else if (op == "SNAP") {
		return "(floor3(" + vec1 + " / " + vec2 + ") * " + vec2 + ")";
	}
	else if (op == "SINE") {
		return "float3(sin(" + vec1 + ".x), sin(" + vec1 + ".y), sin(" + vec1 + ".z))";
	}
	else if (op == "COSINE") {
		return "float3(cos(" + vec1 + ".x), cos(" + vec1 + ".y), cos(" + vec1 + ".z))";
	}
	else { // TANGENT
		return "float3(tan(" + vec1 + ".x), tan(" + vec1 + ".y), tan(" + vec1 + ".z))";
	}
}

function vector_math2_node_value(node: ui_node_t, socket: ui_node_socket_t): string {
	let vec1: string          = parser_material_parse_vector_input(node.inputs[0]);
	let vec2: string          = parser_material_parse_vector_input(node.inputs[1]);
	let but: ui_node_button_t = node.buttons[0]; // operation;
	let op: string            = to_upper_case(u8_array_string_at(but.data, but.default_value[0]));
	op                        = string_replace_all(op, " ", "_");
	if (op == "DOT_PRODUCT") {
		return "dot(" + vec1 + ", " + vec2 + ")";
	}
	else if (op == "LENGTH") {
		return "length(" + vec1 + ")";
	}
	else if (op == "DISTANCE") {
		return "distance(" + vec1 + ", " + vec2 + ")";
	}
	else {
		return "0.0";
	}
}

let vector_math2_node_def: ui_node_t = {
	id : 0,
	name : _tr("Vector Math"),
	type : "VECT_MATH",
	x : 0,
	y : 0,
	color : 0xff62676d,
	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 : 1
		},
		{
			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 : 1
		}
	],
	outputs : [
		{
			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("Value"),
			type : "VALUE",
			color : 0xffa1a1a1,
			default_value : f32_array_create_x(0.0),
			min : 0.0,
			max : 1.0,
			precision : 100,
			display : 0
		}
	],
	buttons : [ {
		name : _tr("operation"),
		type : "ENUM",
		output : 0,
		default_value : f32_array_create_x(0),
		data : u8_array_create_from_string(_tr("Add") + "\n" + _tr("Subtract") + "\n" + _tr("Multiply") + "\n" + _tr("Divide") + "\n" + _tr("Average") + "\n" +
			                               _tr("Cross Product") + "\n" + _tr("Project") + "\n" + _tr("Reflect") + "\n" + _tr("Dot Product") + "\n" +
			                               _tr("Distance") + "\n" + _tr("Length") + "\n" + _tr("Scale") + "\n" + _tr("Normalize") + "\n" + _tr("Absolute") +
			                               "\n" + _tr("Minimum") + "\n" + _tr("Maximum") + "\n" + _tr("Floor") + "\n" + _tr("Ceil") + "\n" + _tr("Fraction") +
			                               "\n" + _tr("Modulo") + "\n" + _tr("Snap") + "\n" + _tr("Sine") + "\n" + _tr("Cosine") + "\n" + _tr("Tangent")),
		min : 0.0,
		max : 1.0,
		precision : 100,
		height : 0
	} ],
	width : 0,
	flags : 0
};