limboai/doc_classes/BTPlayer.xml

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<?xml version="1.0" encoding="UTF-8" ?>
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<class name="BTPlayer" inherits="Node" version="4.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../doc/class.xsd">
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<brief_description>
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Player of [BehaviorTree] resources.
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</brief_description>
<description>
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BTPlayer is used for instantiation and playback of [BehaviorTree] resources at run time.
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</description>
<tutorials>
</tutorials>
<methods>
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<method name="get_last_status" qualifiers="const">
<return type="int" />
<description>
Returns last execution status. See [enum BTTask.TaskStatus].
</description>
</method>
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<method name="restart">
<return type="void" />
<description>
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Cancel execution of the tree and start anew. This method does not reset [Blackboard].
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</description>
</method>
<method name="set_blackboard">
<return type="void" />
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<param index="0" name="p_blackboard" type="Blackboard" />
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<description>
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Assign a [Blackboard] instance.
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</description>
</method>
<method name="update">
<return type="void" />
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<param index="0" name="p_delta" type="float" />
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<description>
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Updates the tree by executing the root task. Call this method when [member update_mode] is set to [constant MANUAL]. When [member update_mode] is not set to [constant MANUAL], the tree is updated automatically. See [enum UpdateMode].
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</description>
</method>
</methods>
<members>
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<member name="active" type="bool" setter="set_active" getter="get_active" default="true">
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If [code]true[/code], tree is active and will be processed.
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</member>
<member name="behavior_tree" type="BehaviorTree" setter="set_behavior_tree" getter="get_behavior_tree">
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[BehaviorTree] resource to instantiate and process at run time.
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</member>
<member name="blackboard" type="Blackboard" setter="" getter="get_blackboard">
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[Blackboard] instance that contains data shared by the tasks in [BehaviorTree].
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</member>
<member name="prefetch_nodepath_vars" type="bool" setter="set_prefetch_nodepath_vars" getter="get_prefetch_nodepath_vars" default="true">
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If [code]true[/code], any NodePath variables in the [Blackboard] are replaced with references during tree instantiation. References are retrieved by calling [method Node.get_node] of BTPlayer.
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</member>
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<member name="update_mode" type="int" setter="set_update_mode" getter="get_update_mode" enum="BTPlayer.UpdateMode" default="1">
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Defines when BehaviorTree is executed. See [enum UpdateMode].
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</member>
</members>
<signals>
<signal name="behavior_tree_finished">
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<param index="0" name="p_status" type="int" />
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<description>
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Notifies when behavior tree finishes executing and returns [code]SUCCESS[/code] or [code]FAILURE[/code].
Argument [code]p_status[/code] holds the status returned by the behavior tree.
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</description>
</signal>
</signals>
<constants>
<constant name="IDLE" value="0" enum="UpdateMode">
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Process tree during the idle process.
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</constant>
<constant name="PHYSICS" value="1" enum="UpdateMode">
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Process tree during the physics process.
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</constant>
<constant name="MANUAL" value="2" enum="UpdateMode">
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Tree is processed manually by calling [method update].
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</constant>
</constants>
</class>