armorpaint/base/Sources/nodes/math_node.ts

type math_node_t = {
	base?: logic_node_t;
	operation?: string;
	use_clamp?: bool;
};

function math_node_create(arg: any): math_node_t {
	let n: math_node_t = {};
	n.base = logic_node_create();
	n.base.get = math_node_get;
	return n;
}

function math_node_get(self: math_node_t, from: i32, done: (a: any)=>void) {
	logic_node_input_get(self.base.inputs[0], function (v1: f32) {
		logic_node_input_get(self.base.inputs[1], function (v2: f32) {
			let f: f32 = 0.0;
			let op: string = self.operation;
			if (op == "Add") {
				f = v1 + v2;
			}
			else if (op == "Multiply") {
				f = v1 * v2;
			}
			else if (op == "Sine") {
				f = math_sin(v1);
			}
			else if (op == "Cosine") {
				f = math_cos(v1);
			}
			else if (op == "Max") {
				f = math_max(v1, v2);
			}
			else if (op == "Min") {
				f = math_min(v1, v2);
			}
			else if (op == "Absolute") {
				f = math_abs(v1);
			}
			else if (op == "Subtract") {
				f = v1 - v2;
			}
			else if (op == "Divide") {
				f = v1 / (v2 == 0.0 ? 0.000001 : v2);
			}
			else if (op == "Tangent") {
				f = math_tan(v1);
			}
			else if (op == "Arcsine") {
				f = math_asin(v1);
			}
			else if (op == "Arccosine") {
				f = math_acos(v1);
			}
			else if (op == "Arctangent") {
				f = math_atan(v1);
			}
			else if (op == "Arctan2") {
				f = math_atan2(v2, v1);
			}
			else if (op == "Power") {
				f = math_pow(v1, v2);
			}
			else if (op == "Logarithm") {
				f = math_log(v1);
			}
			else if (op == "Round") {
				f = math_round(v1);
			}
			else if (op == "Floor") {
				f = math_floor(v1);
			}
			else if (op == "Ceil") {
				f = math_ceil(v1);
			}
			else if (op == "Truncate") {
				f = math_floor(v1);
			}
			else if (op == "Fraction") {
				f = v1 - math_floor(v1);
			}
			else if (op == "Less Than") {
				f = v1 < v2 ? 1.0 : 0.0;
			}
			else if (op == "Greater Than") {
				f = v1 > v2 ? 1.0 : 0.0;
			}
			else if (op == "Modulo") {
				f = v1 % v2;
			}
			else if (op == "Snap") {
				f = math_floor(v1 / v2) * v2;
			}
			else if (op == "Square Root") {
				f = math_sqrt(v1);
			}
			else if (op == "Inverse Square Root") {
				f = 1.0 / math_sqrt(v1);
			}
			else if (op == "Exponent") {
				f = math_exp(v1);
			}
			else if (op == "Sign") {
				f = v1 > 0 ? 1.0 : (v1 < 0 ? -1.0 : 0);
			}
			else if (op == "Ping-Pong") {
				f = (v2 != 0.0) ? v2 - math_abs((math_abs(v1) % (2 * v2)) - v2) : 0.0;
			}
			else if (op == "Hyperbolic Sine") {
				f = (math_exp(v1) - math_exp(-v1)) / 2.0;
			}
			else if (op == "Hyperbolic Cosine") {
				f = (math_exp(v1) + math_exp(-v1)) / 2.0;
			}
			else if (op == "Hyperbolic Tangent") {
				f = 1.0 - (2.0 / (math_exp(2 * v1) + 1));
			}
			else if (op == "To Radians") {
				f = v1 / 180.0 * math_pi();
			}
			else if (op == "To Degrees") {
				f = v1 / math_pi() * 180.0;
			}

			if (self.use_clamp) {
				f = f < 0.0 ? 0.0 : (f > 1.0 ? 1.0 : f);
			}

			done(f);
		});
	});
}

let math_node_def: zui_node_t = {
	id: 0,
	name: _tr("Math"),
	type: "math_node",
	x: 0,
	y: 0,
	color: 0xff4982a0,
	inputs: [
		{
			id: 0,
			node_id: 0,
			name: _tr("Value"),
			type: "VALUE",
			color: 0xffa1a1a1,
			default_value: 0.5
		},
		{
			id: 0,
			node_id: 0,
			name: _tr("Value"),
			type: "VALUE",
			color: 0xffa1a1a1,
			default_value: 0.5
		}
	],
	outputs: [
		{
			id: 0,
			node_id: 0,
			name: _tr("Value"),
			type: "VALUE",
			color: 0xffa1a1a1,
			default_value: 0.0
		}
	],
	buttons: [
		{
			name: _tr("operation"),
			type: "ENUM",
			data: ["Add", "Subtract", "Multiply", "Divide", "Power", "Logarithm", "Square Root", "Inverse Square Root", "Absolute", "Exponent", "Minimum", "Maximum", "Less Than", "Greater Than", "Sign", "Round", "Floor", "Ceil", "Truncate", "Fraction", "Modulo", "Snap", "Ping-Pong", "Sine", "Cosine", "Tangent", "Arcsine", "Arccosine", "Arctangent", "Arctan2", "Hyperbolic Sine", "Hyperbolic Cosine", "Hyperbolic Tangent", "To Radians", "To Degrees"],
			default_value: 0,
			output: 0
		},
		{
			name: _tr("use_clamp"),
			type: "BOOL",
			default_value: false,
			output: 0
		}
	]
};