mirror of
https://github.com/godotengine/godot
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236 lines
12 KiB
XML
236 lines
12 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="AnimationNode" inherits="Resource" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Base class for [AnimationTree] nodes. Not related to scene nodes.
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</brief_description>
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<description>
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Base resource for [AnimationTree] nodes. In general, it's not used directly, but you can create custom ones with custom blending formulas.
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Inherit this when creating animation nodes mainly for use in [AnimationNodeBlendTree], otherwise [AnimationRootNode] should be used instead.
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You can access the time information as read-only parameter which is processed and stored in the previous frame for all nodes except [AnimationNodeOutput].
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[b]Note:[/b] If multiple inputs exist in the [AnimationNode], which time information takes precedence depends on the type of [AnimationNode].
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[codeblock]
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var current_length = $AnimationTree[parameters/AnimationNodeName/current_length]
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var current_position = $AnimationTree[parameters/AnimationNodeName/current_position]
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var current_delta = $AnimationTree[parameters/AnimationNodeName/current_delta]
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[/codeblock]
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</description>
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<tutorials>
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<link title="Using AnimationTree">$DOCS_URL/tutorials/animation/animation_tree.html</link>
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</tutorials>
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<methods>
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<method name="_get_caption" qualifiers="virtual const">
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<return type="String" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to override the text caption for this animation node.
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</description>
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</method>
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<method name="_get_child_by_name" qualifiers="virtual const">
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<return type="AnimationNode" />
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<param index="0" name="name" type="StringName" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to return a child animation node by its [param name].
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</description>
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</method>
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<method name="_get_child_nodes" qualifiers="virtual const">
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<return type="Dictionary" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to return all child animation nodes in order as a [code]name: node[/code] dictionary.
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</description>
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</method>
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<method name="_get_parameter_default_value" qualifiers="virtual const">
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<return type="Variant" />
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<param index="0" name="parameter" type="StringName" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to return the default value of a [param parameter]. Parameters are custom local memory used for your animation nodes, given a resource can be reused in multiple trees.
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</description>
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</method>
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<method name="_get_parameter_list" qualifiers="virtual const">
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<return type="Array" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to return a list of the properties on this animation node. Parameters are custom local memory used for your animation nodes, given a resource can be reused in multiple trees. Format is similar to [method Object.get_property_list].
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</description>
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</method>
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<method name="_has_filter" qualifiers="virtual const">
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<return type="bool" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to return whether the blend tree editor should display filter editing on this animation node.
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</description>
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</method>
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<method name="_is_parameter_read_only" qualifiers="virtual const">
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<return type="bool" />
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<param index="0" name="parameter" type="StringName" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to return whether the [param parameter] is read-only. Parameters are custom local memory used for your animation nodes, given a resource can be reused in multiple trees.
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</description>
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</method>
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<method name="_process" qualifiers="virtual const" deprecated="Currently this is mostly useless as there is a lack of many APIs to extend AnimationNode by GDScript. It is planned that a more flexible API using structures will be provided in the future.">
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<return type="float" />
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<param index="0" name="time" type="float" />
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<param index="1" name="seek" type="bool" />
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<param index="2" name="is_external_seeking" type="bool" />
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<param index="3" name="test_only" type="bool" />
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<description>
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When inheriting from [AnimationRootNode], implement this virtual method to run some code when this animation node is processed. The [param time] parameter is a relative delta, unless [param seek] is [code]true[/code], in which case it is absolute.
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Here, call the [method blend_input], [method blend_node] or [method blend_animation] functions. You can also use [method get_parameter] and [method set_parameter] to modify local memory.
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This function should return the delta.
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</description>
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</method>
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<method name="add_input">
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<return type="bool" />
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<param index="0" name="name" type="String" />
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<description>
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Adds an input to the animation node. This is only useful for animation nodes created for use in an [AnimationNodeBlendTree]. If the addition fails, returns [code]false[/code].
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</description>
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</method>
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<method name="blend_animation">
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<return type="void" />
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<param index="0" name="animation" type="StringName" />
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<param index="1" name="time" type="float" />
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<param index="2" name="delta" type="float" />
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<param index="3" name="seeked" type="bool" />
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<param index="4" name="is_external_seeking" type="bool" />
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<param index="5" name="blend" type="float" />
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<param index="6" name="looped_flag" type="int" enum="Animation.LoopedFlag" default="0" />
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<description>
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Blend an animation by [param blend] amount (name must be valid in the linked [AnimationPlayer]). A [param time] and [param delta] may be passed, as well as whether [param seeked] happened.
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A [param looped_flag] is used by internal processing immediately after the loop. See also [enum Animation.LoopedFlag].
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</description>
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</method>
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<method name="blend_input">
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<return type="float" />
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<param index="0" name="input_index" type="int" />
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<param index="1" name="time" type="float" />
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<param index="2" name="seek" type="bool" />
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<param index="3" name="is_external_seeking" type="bool" />
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<param index="4" name="blend" type="float" />
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<param index="5" name="filter" type="int" enum="AnimationNode.FilterAction" default="0" />
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<param index="6" name="sync" type="bool" default="true" />
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<param index="7" name="test_only" type="bool" default="false" />
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<description>
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Blend an input. This is only useful for animation nodes created for an [AnimationNodeBlendTree]. The [param time] parameter is a relative delta, unless [param seek] is [code]true[/code], in which case it is absolute. A filter mode may be optionally passed (see [enum FilterAction] for options).
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</description>
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</method>
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<method name="blend_node">
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<return type="float" />
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<param index="0" name="name" type="StringName" />
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<param index="1" name="node" type="AnimationNode" />
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<param index="2" name="time" type="float" />
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<param index="3" name="seek" type="bool" />
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<param index="4" name="is_external_seeking" type="bool" />
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<param index="5" name="blend" type="float" />
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<param index="6" name="filter" type="int" enum="AnimationNode.FilterAction" default="0" />
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<param index="7" name="sync" type="bool" default="true" />
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<param index="8" name="test_only" type="bool" default="false" />
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<description>
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Blend another animation node (in case this animation node contains child animation nodes). This function is only useful if you inherit from [AnimationRootNode] instead, otherwise editors will not display your animation node for addition.
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</description>
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</method>
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<method name="find_input" qualifiers="const">
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<return type="int" />
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<param index="0" name="name" type="String" />
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<description>
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Returns the input index which corresponds to [param name]. If not found, returns [code]-1[/code].
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</description>
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</method>
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<method name="get_input_count" qualifiers="const">
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<return type="int" />
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<description>
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Amount of inputs in this animation node, only useful for animation nodes that go into [AnimationNodeBlendTree].
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</description>
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</method>
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<method name="get_input_name" qualifiers="const">
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<return type="String" />
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<param index="0" name="input" type="int" />
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<description>
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Gets the name of an input by index.
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</description>
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</method>
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<method name="get_parameter" qualifiers="const">
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<return type="Variant" />
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<param index="0" name="name" type="StringName" />
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<description>
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Gets the value of a parameter. Parameters are custom local memory used for your animation nodes, given a resource can be reused in multiple trees.
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</description>
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</method>
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<method name="is_path_filtered" qualifiers="const">
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<return type="bool" />
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<param index="0" name="path" type="NodePath" />
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<description>
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Returns whether the given path is filtered.
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</description>
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</method>
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<method name="remove_input">
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<return type="void" />
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<param index="0" name="index" type="int" />
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<description>
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Removes an input, call this only when inactive.
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</description>
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</method>
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<method name="set_filter_path">
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<return type="void" />
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<param index="0" name="path" type="NodePath" />
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<param index="1" name="enable" type="bool" />
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<description>
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Adds or removes a path for the filter.
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</description>
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</method>
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<method name="set_input_name">
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<return type="bool" />
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<param index="0" name="input" type="int" />
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<param index="1" name="name" type="String" />
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<description>
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Sets the name of the input at the given [param input] index. If the setting fails, returns [code]false[/code].
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</description>
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</method>
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<method name="set_parameter">
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<return type="void" />
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<param index="0" name="name" type="StringName" />
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<param index="1" name="value" type="Variant" />
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<description>
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Sets a custom parameter. These are used as local memory, because resources can be reused across the tree or scenes.
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</description>
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</method>
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</methods>
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<members>
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<member name="filter_enabled" type="bool" setter="set_filter_enabled" getter="is_filter_enabled">
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If [code]true[/code], filtering is enabled.
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</member>
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</members>
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<signals>
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<signal name="animation_node_removed">
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<param index="0" name="object_id" type="int" />
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<param index="1" name="name" type="String" />
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<description>
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Emitted by nodes that inherit from this class and that have an internal tree when one of their animation nodes removes. The animation nodes that emit this signal are [AnimationNodeBlendSpace1D], [AnimationNodeBlendSpace2D], [AnimationNodeStateMachine], and [AnimationNodeBlendTree].
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</description>
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</signal>
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<signal name="animation_node_renamed">
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<param index="0" name="object_id" type="int" />
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<param index="1" name="old_name" type="String" />
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<param index="2" name="new_name" type="String" />
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<description>
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Emitted by nodes that inherit from this class and that have an internal tree when one of their animation node names changes. The animation nodes that emit this signal are [AnimationNodeBlendSpace1D], [AnimationNodeBlendSpace2D], [AnimationNodeStateMachine], and [AnimationNodeBlendTree].
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</description>
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</signal>
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<signal name="tree_changed">
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<description>
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Emitted by nodes that inherit from this class and that have an internal tree when one of their animation nodes changes. The animation nodes that emit this signal are [AnimationNodeBlendSpace1D], [AnimationNodeBlendSpace2D], [AnimationNodeStateMachine], [AnimationNodeBlendTree] and [AnimationNodeTransition].
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</description>
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</signal>
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</signals>
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<constants>
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<constant name="FILTER_IGNORE" value="0" enum="FilterAction">
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Do not use filtering.
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</constant>
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<constant name="FILTER_PASS" value="1" enum="FilterAction">
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Paths matching the filter will be allowed to pass.
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</constant>
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<constant name="FILTER_STOP" value="2" enum="FilterAction">
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Paths matching the filter will be discarded.
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</constant>
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<constant name="FILTER_BLEND" value="3" enum="FilterAction">
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Paths matching the filter will be blended (by the blend value).
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</constant>
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</constants>
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</class>
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