<?xml version="1.0" encoding="UTF-8" ?>
<class name="VisualShader" inherits="Shader" version="3.6" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
	<brief_description>
		A custom shader program with a visual editor.
	</brief_description>
	<description>
		This class allows you to define a custom shader program that can be used for various materials to render objects.
		The visual shader editor creates the shader.
	</description>
	<tutorials>
	</tutorials>
	<methods>
		<method name="add_node">
			<return type="void" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="node" type="VisualShaderNode" />
			<argument index="2" name="position" type="Vector2" />
			<argument index="3" name="id" type="int" />
			<description>
				Adds the specified node to the shader.
			</description>
		</method>
		<method name="can_connect_nodes" qualifiers="const">
			<return type="bool" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="from_node" type="int" />
			<argument index="2" name="from_port" type="int" />
			<argument index="3" name="to_node" type="int" />
			<argument index="4" name="to_port" type="int" />
			<description>
				Returns [code]true[/code] if the specified nodes and ports can be connected together.
			</description>
		</method>
		<method name="connect_nodes">
			<return type="int" enum="Error" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="from_node" type="int" />
			<argument index="2" name="from_port" type="int" />
			<argument index="3" name="to_node" type="int" />
			<argument index="4" name="to_port" type="int" />
			<description>
				Connects the specified nodes and ports.
			</description>
		</method>
		<method name="connect_nodes_forced">
			<return type="void" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="from_node" type="int" />
			<argument index="2" name="from_port" type="int" />
			<argument index="3" name="to_node" type="int" />
			<argument index="4" name="to_port" type="int" />
			<description>
				Connects the specified nodes and ports, even if they can't be connected. Such connection is invalid and will not function properly.
			</description>
		</method>
		<method name="disconnect_nodes">
			<return type="void" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="from_node" type="int" />
			<argument index="2" name="from_port" type="int" />
			<argument index="3" name="to_node" type="int" />
			<argument index="4" name="to_port" type="int" />
			<description>
				Connects the specified nodes and ports.
			</description>
		</method>
		<method name="get_node" qualifiers="const">
			<return type="VisualShaderNode" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="id" type="int" />
			<description>
				Returns the shader node instance with specified [code]type[/code] and [code]id[/code].
			</description>
		</method>
		<method name="get_node_connections" qualifiers="const">
			<return type="Array" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<description>
				Returns the list of connected nodes with the specified type.
			</description>
		</method>
		<method name="get_node_list" qualifiers="const">
			<return type="PoolIntArray" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<description>
				Returns the list of all nodes in the shader with the specified type.
			</description>
		</method>
		<method name="get_node_position" qualifiers="const">
			<return type="Vector2" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="id" type="int" />
			<description>
				Returns the position of the specified node within the shader graph.
			</description>
		</method>
		<method name="get_valid_node_id" qualifiers="const">
			<return type="int" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<description>
			</description>
		</method>
		<method name="is_node_connection" qualifiers="const">
			<return type="bool" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="from_node" type="int" />
			<argument index="2" name="from_port" type="int" />
			<argument index="3" name="to_node" type="int" />
			<argument index="4" name="to_port" type="int" />
			<description>
				Returns [code]true[/code] if the specified node and port connection exist.
			</description>
		</method>
		<method name="remove_node">
			<return type="void" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="id" type="int" />
			<description>
				Removes the specified node from the shader.
			</description>
		</method>
		<method name="set_mode">
			<return type="void" />
			<argument index="0" name="mode" type="int" enum="Shader.Mode" />
			<description>
				Sets the mode of this shader.
			</description>
		</method>
		<method name="set_node_position">
			<return type="void" />
			<argument index="0" name="type" type="int" enum="VisualShader.Type" />
			<argument index="1" name="id" type="int" />
			<argument index="2" name="position" type="Vector2" />
			<description>
				Sets the position of the specified node.
			</description>
		</method>
	</methods>
	<members>
		<member name="graph_offset" type="Vector2" setter="set_graph_offset" getter="get_graph_offset" default="Vector2( 0, 0 )">
			The offset vector of the whole graph.
		</member>
	</members>
	<constants>
		<constant name="TYPE_VERTEX" value="0" enum="Type">
			A vertex shader, operating on vertices.
		</constant>
		<constant name="TYPE_FRAGMENT" value="1" enum="Type">
			A fragment shader, operating on fragments (pixels).
		</constant>
		<constant name="TYPE_LIGHT" value="2" enum="Type">
			A shader for light calculations.
		</constant>
		<constant name="TYPE_MAX" value="3" enum="Type">
			Represents the size of the [enum Type] enum.
		</constant>
		<constant name="NODE_ID_INVALID" value="-1">
		</constant>
		<constant name="NODE_ID_OUTPUT" value="0">
		</constant>
	</constants>
</class>
