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<?xml version="1.0" encoding="UTF-8" ?>
<class name="AnimationNodeBlendTree" inherits="AnimationRootNode" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
<brief_description>
[AnimationTree] node resource that contains many blend type nodes.
</brief_description>
<description>
This node may contain a sub-tree of any other blend type nodes, such as [AnimationNodeTransition], [AnimationNodeBlend2], [AnimationNodeBlend3], [AnimationNodeOneShot], etc. This is one of the most commonly used roots.
An [AnimationNodeOutput] node named [code]output[/code] is created by default.
</description>
<tutorials>
<link title="AnimationTree">$DOCS_URL/tutorials/animation/animation_tree.html</link>
</tutorials>
<methods>
<method name="add_node">
<return type="void" />
<param index="0" name="name" type="StringName" />
<param index="1" name="node" type="AnimationNode" />
<param index="2" name="position" type="Vector2" default="Vector2(0, 0)" />
<description>
Adds an [AnimationNode] at the given [param position]. The [param name] is used to identify the created sub-node later.
</description>
</method>
<method name="connect_node">
<return type="void" />
<param index="0" name="input_node" type="StringName" />
<param index="1" name="input_index" type="int" />
<param index="2" name="output_node" type="StringName" />
<description>
Connects the output of an [AnimationNode] as input for another [AnimationNode], at the input port specified by [param input_index].
</description>
</method>
<method name="disconnect_node">
<return type="void" />
<param index="0" name="input_node" type="StringName" />
<param index="1" name="input_index" type="int" />
<description>
Disconnects the node connected to the specified input.
</description>
</method>
<method name="get_node" qualifiers="const">
<return type="AnimationNode" />
<param index="0" name="name" type="StringName" />
<description>
Returns the sub-node with the specified [param name].
</description>
</method>
<method name="get_node_position" qualifiers="const">
<return type="Vector2" />
<param index="0" name="name" type="StringName" />
<description>
Returns the position of the sub-node with the specified [param name].
</description>
</method>
<method name="has_node" qualifiers="const">
<return type="bool" />
<param index="0" name="name" type="StringName" />
<description>
Returns [code]true[/code] if a sub-node with specified [param name] exists.
</description>
</method>
<method name="remove_node">
<return type="void" />
<param index="0" name="name" type="StringName" />
<description>
Removes a sub-node.
</description>
</method>
<method name="rename_node">
<return type="void" />
<param index="0" name="name" type="StringName" />
<param index="1" name="new_name" type="StringName" />
<description>
Changes the name of a sub-node.
</description>
</method>
<method name="set_node_position">
<return type="void" />
<param index="0" name="name" type="StringName" />
<param index="1" name="position" type="Vector2" />
<description>
Modifies the position of a sub-node.
</description>
</method>
</methods>
<members>
<member name="graph_offset" type="Vector2" setter="set_graph_offset" getter="get_graph_offset" default="Vector2(0, 0)">
The global offset of all sub-nodes.
</member>
</members>
<signals>
<signal name="node_changed">
<param index="0" name="node_name" type="StringName" />
<description>
Emitted when the input port information is changed.
</description>
</signal>
</signals>
<constants>
<constant name="CONNECTION_OK" value="0">
The connection was successful.
</constant>
<constant name="CONNECTION_ERROR_NO_INPUT" value="1">
The input node is [code]null[/code].
</constant>
<constant name="CONNECTION_ERROR_NO_INPUT_INDEX" value="2">
The specified input port is out of range.
</constant>
<constant name="CONNECTION_ERROR_NO_OUTPUT" value="3">
The output node is [code]null[/code].
</constant>
<constant name="CONNECTION_ERROR_SAME_NODE" value="4">
Input and output nodes are the same.
</constant>
<constant name="CONNECTION_ERROR_CONNECTION_EXISTS" value="5">
The specified connection already exists.
</constant>
</constants>
</class>
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