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<?xml version="1.0" encoding="UTF-8" ?>
<class name="AnimationTree" inherits="Node" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
<brief_description>
A node to be used for advanced animation transitions in an [AnimationPlayer].
</brief_description>
<description>
A node to be used for advanced animation transitions in an [AnimationPlayer].
[b]Note:[/b] When linked with an [AnimationPlayer], several properties and methods of the corresponding [AnimationPlayer] will not function as expected. Playback and transitions should be handled using only the [AnimationTree] and its constituent [AnimationNode](s). The [AnimationPlayer] node should be used solely for adding, deleting, and editing animations.
</description>
<tutorials>
<link title="Using AnimationTree">$DOCS_URL/tutorials/animation/animation_tree.html</link>
<link title="Third Person Shooter Demo">https://godotengine.org/asset-library/asset/678</link>
</tutorials>
<methods>
<method name="advance">
<return type="void" />
<param index="0" name="delta" type="float" />
<description>
Manually advance the animations by the specified time (in seconds).
</description>
</method>
<method name="get_root_motion_transform" qualifiers="const">
<return type="Transform3D" />
<description>
Retrieve the motion of the [member root_motion_track] as a [Transform3D] that can be used elsewhere. If [member root_motion_track] is not a path to a track of type [constant Animation.TYPE_POSITION_3D], [constant Animation.TYPE_SCALE_3D] or [constant Animation.TYPE_ROTATION_3D], returns an identity transformation. See also [member root_motion_track] and [RootMotionView].
</description>
</method>
<method name="rename_parameter">
<return type="void" />
<param index="0" name="old_name" type="String" />
<param index="1" name="new_name" type="String" />
<description>
</description>
</method>
</methods>
<members>
<member name="active" type="bool" setter="set_active" getter="is_active" default="false">
If [code]true[/code], the [AnimationTree] will be processing.
</member>
<member name="advance_expression_base_node" type="NodePath" setter="set_advance_expression_base_node" getter="get_advance_expression_base_node" default="NodePath(".")">
The path to the [Node] used to evaluate the AnimationNode [Expression] if one is not explicitly specified internally.
</member>
<member name="anim_player" type="NodePath" setter="set_animation_player" getter="get_animation_player" default="NodePath("")">
The path to the [AnimationPlayer] used for animating.
</member>
<member name="process_callback" type="int" setter="set_process_callback" getter="get_process_callback" enum="AnimationTree.AnimationProcessCallback" default="1">
The process mode of this [AnimationTree]. See [enum AnimationProcessCallback] for available modes.
</member>
<member name="root_motion_track" type="NodePath" setter="set_root_motion_track" getter="get_root_motion_track" default="NodePath("")">
The path to the Animation track used for root motion. Paths must be valid scene-tree paths to a node, and must be specified starting from the parent node of the node that will reproduce the animation. To specify a track that controls properties or bones, append its name after the path, separated by [code]":"[/code]. For example, [code]"character/skeleton:ankle"[/code] or [code]"character/mesh:transform/local"[/code].
If the track has type [constant Animation.TYPE_POSITION_3D], [constant Animation.TYPE_ROTATION_3D] or [constant Animation.TYPE_SCALE_3D] the transformation will be cancelled visually, and the animation will appear to stay in place. See also [method get_root_motion_transform] and [RootMotionView].
</member>
<member name="tree_root" type="AnimationNode" setter="set_tree_root" getter="get_tree_root">
The root animation node of this [AnimationTree]. See [AnimationNode].
</member>
</members>
<signals>
<signal name="animation_player_changed">
<description>
Emitted when the [member anim_player] is changed.
</description>
</signal>
</signals>
<constants>
<constant name="ANIMATION_PROCESS_PHYSICS" value="0" enum="AnimationProcessCallback">
The animations will progress during the physics frame (i.e. [method Node._physics_process]).
</constant>
<constant name="ANIMATION_PROCESS_IDLE" value="1" enum="AnimationProcessCallback">
The animations will progress during the idle frame (i.e. [method Node._process]).
</constant>
<constant name="ANIMATION_PROCESS_MANUAL" value="2" enum="AnimationProcessCallback">
The animations will only progress manually (see [method advance]).
</constant>
</constants>
</class>
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