virtualx-engine/doc/classes/VisualShader.xml
clayjohn 1b2cd9f251 Addition of FogVolumes, FogShaders, FogMaterial, and overhaul of VolumetricFog
Co-authored-by: Brian Semrau <brian.semrau@gmail.com>
2021-10-28 22:02:23 -07:00

190 lines
7.4 KiB
XML

<?xml version="1.0" encoding="UTF-8" ?>
<class name="VisualShader" inherits="Shader" version="4.0">
<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="PackedInt32Array" />
<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="replace_node">
<return type="void" />
<argument index="0" name="type" type="int" enum="VisualShader.Type" />
<argument index="1" name="id" type="int" />
<argument index="2" name="new_class" type="StringName" />
<description>
Replaces the specified node with a node of new class type.
</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="engine_version" type="Dictionary" setter="set_engine_version" getter="get_engine_version" default="{}">
The Godot version this [VisualShader] was designed for, in the form of a [Dictionary] with [code]major[/code] and [code]minor[/code] keys with integer values. Example: [code]{"major": 4, "minor": 0}[/code]
This is used by the editor to convert visual shaders from older Godot versions.
</member>
<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_START" value="3" enum="Type">
</constant>
<constant name="TYPE_PROCESS" value="4" enum="Type">
</constant>
<constant name="TYPE_COLLIDE" value="5" enum="Type">
</constant>
<constant name="TYPE_START_CUSTOM" value="6" enum="Type">
</constant>
<constant name="TYPE_PROCESS_CUSTOM" value="7" enum="Type">
</constant>
<constant name="TYPE_SKY" value="8" enum="Type">
</constant>
<constant name="TYPE_FOG" value="9" enum="Type">
A compute shader that runs for each froxel of the volumetric fog map.
</constant>
<constant name="TYPE_MAX" value="10" 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>