armory3d.armortools/paint/sources/brush_nodes/float_node.ts

type float_node_t = {
	base?: logic_node_t;
	value?: f32;
	image?: gpu_texture_t;
};

function float_node_create(raw: ui_node_t, args: f32_array_t): float_node_t {
	let n: float_node_t = {};
	n.base              = logic_node_create(n);
	n.base.get          = float_node_get;
	n.base.get_as_image = float_node_get_as_image;
	n.base.set          = float_node_set;
	n.value             = args == null ? 0.5 : args[0];
	return n;
}

function float_node_get(self: float_node_t, from: i32): logic_node_value_t {
	if (self.base.inputs.length > 0) {
		return logic_node_input_get(self.base.inputs[0]);
	}
	else {
		let v: logic_node_value_t = {_f32 : self.value};
		return v;
	}
}

function float_node_get_as_image(self: float_node_t, from: i32): gpu_texture_t {
	if (self.base.inputs.length > 0) {
		return logic_node_input_get_as_image(self.base.inputs[0]);
	}
	if (self.image != null) {
		gpu_delete_texture(self.image);
	}
	let b: buffer_t = buffer_create(16);
	buffer_set_f32(b, 0, self.value);
	buffer_set_f32(b, 4, self.value);
	buffer_set_f32(b, 8, self.value);
	buffer_set_f32(b, 12, 1.0);
	self.image = gpu_create_texture_from_bytes(b, 1, 1, gpu_texture_format_t.RGBA128);
	return self.image;
}

function float_node_set(self: float_node_t, value: f32_array_t) {
	if (self.base.inputs.length > 0) {
		logic_node_input_set(self.base.inputs[0], value);
	}
	else {
		self.value = value[0];
	}
}

let float_node_def: ui_node_t = {
	id : 0,
	name : _tr("Value"),
	type : "float_node",
	x : 0,
	y : 0,
	color : 0xffb34f5a,
	inputs : [ {
		id : 0,
		node_id : 0,
		name : _tr("Value"),
		type : "VALUE",
		color : 0xffa1a1a1,
		default_value : f32_array_create_x(0.5),
		min : 0.0,
		max : 10.0,
		precision : 100,
		display : 0
	} ],
	outputs : [ {
		id : 0,
		node_id : 0,
		name : _tr("Value"),
		type : "VALUE",
		color : 0xffa1a1a1,
		default_value : f32_array_create_x(0.5),
		min : 0.0,
		max : 1.0,
		precision : 100,
		display : 0
	} ],
	buttons : [],
	width : 0,
	flags : 0
};