UVPanner.gd

tool
extends VisualShaderNodeCustom
class_name VisualShaderNodeUVPanner

func _init():
	set_input_port_default_value(1, Vector3(0.0, 0.0, 0.0))
	set_input_port_default_value(2, 0.0)

func _get_name() -> String:
	return "UVPanner"

func _get_category() -> String:
	return "UV"

#func _get_subcategory():
#	return ""

func _get_description() -> String:
	return "Animated UV tiling with given [offset] speed"

func _get_return_icon_type() -> int:
	return VisualShaderNode.PORT_TYPE_VECTOR

func _get_input_port_count() -> int:
	return 3

func _get_input_port_name(port: int):
	match port:
		0:
			return "uv"
		1:
			return "offset"
		2:
			return "time"

func _get_input_port_type(port: int):
	match port:
		0:
			return VisualShaderNode.PORT_TYPE_VECTOR
		1:
			return VisualShaderNode.PORT_TYPE_VECTOR
		2:
			return VisualShaderNode.PORT_TYPE_SCALAR

func _get_output_port_count() -> int:
	return 1

func _get_output_port_name(_port: int) -> String:
	return "uv"

func _get_output_port_type(_port: int) -> int:
	return VisualShaderNode.PORT_TYPE_VECTOR


func _get_code(input_vars: Array, output_vars: Array, _mode: int, _type: int) -> String:
	var uv = "UV"
	
	if input_vars[0]:
		uv = input_vars[0]
	
	return "%s.xy = %s.xy + %s.xy * %s;" % [
output_vars[0], uv, input_vars[1], input_vars[2]]

UVScale.gd

tool
extends VisualShaderNodeCustom
class_name VisualShaderNodeUVscale

func _init():
	set_input_port_default_value(1, Vector3(1, 1, 0))
	set_input_port_default_value(2, Vector3(0.5, 0.5, 0))

func _get_name() -> String:
	return "UVScale"

func _get_category() -> String:
	return "UV"

#func _get_subcategory():
#	return ""

func _get_description() -> String:
	return "Scale UV relative to pivot point"

func _get_return_icon_type() -> int:
	return VisualShaderNode.PORT_TYPE_VECTOR

func _get_input_port_count() -> int:
	return 3

func _get_input_port_name(port: int):
	match port:
		0:
			return "uv"
		1:
			return "scale"
		2:
			return "pivot"

func _get_input_port_type(port: int):
	match port:
		0:
			return VisualShaderNode.PORT_TYPE_VECTOR
		1:
			return VisualShaderNode.PORT_TYPE_VECTOR
		2:
			return VisualShaderNode.PORT_TYPE_VECTOR

func _get_output_port_count() -> int:
	return 1

func _get_output_port_name(_port: int) -> String:
	return "uv"

func _get_output_port_type(_port: int) -> int:
	return VisualShaderNode.PORT_TYPE_VECTOR

func _get_code(input_vars: Array, output_vars: Array, mode: int, type: int) -> String:
	var uv = "UV"
	
	if input_vars[0]:
		uv = input_vars[0]
	
	return "%s.xy = (%s.xy - %s.xy) * %s.xy + %s.xy;" % [
	output_vars[0], uv, input_vars[2], input_vars[1], input_vars[2]]