424 lines
16 KiB
XML
424 lines
16 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="SceneTree" inherits="MainLoop" category="Core" version="3.2">
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<brief_description>
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SceneTree manages a hierarchy of nodes.
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</brief_description>
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<description>
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As one of the most important classes, the [SceneTree] manages the hierarchy of nodes in a scene as well as scenes themselves. Nodes can be added, retrieved and removed. The whole scene tree (and thus the current scene) can be paused. Scenes can be loaded, switched and reloaded. You can also use the SceneTree to organize your nodes into groups: every node can be assigned as many groups as you want to create, e.g. a "enemy" group. You can then iterate these groups or even call methods and set properties on all the group's members at once.
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</description>
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<tutorials>
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<link>https://docs.godotengine.org/en/latest/getting_started/step_by_step/scene_tree.html</link>
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<link>https://docs.godotengine.org/en/latest/tutorials/viewports/multiple_resolutions.html</link>
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</tutorials>
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<demos>
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</demos>
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<methods>
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<method name="call_group" qualifiers="vararg">
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<return type="Variant">
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</return>
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<argument index="0" name="group" type="String">
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</argument>
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<argument index="1" name="method" type="String">
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</argument>
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<description>
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Calls [code]method[/code] on each member of the given group.
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</description>
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</method>
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<method name="call_group_flags" qualifiers="vararg">
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<return type="Variant">
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</return>
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<argument index="0" name="flags" type="int">
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</argument>
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<argument index="1" name="group" type="String">
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</argument>
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<argument index="2" name="method" type="String">
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</argument>
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<description>
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Calls [code]method[/code] on each member of the given group, respecting the given [enum GroupCallFlags].
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</description>
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</method>
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<method name="change_scene">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="path" type="String">
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</argument>
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<description>
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Changes to the scene at the given [code]path[/code].
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</description>
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</method>
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<method name="change_scene_to">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="packed_scene" type="PackedScene">
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</argument>
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<description>
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Changes to the given [PackedScene].
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</description>
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</method>
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<method name="create_timer">
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<return type="SceneTreeTimer">
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</return>
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<argument index="0" name="time_sec" type="float">
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</argument>
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<argument index="1" name="pause_mode_process" type="bool" default="true">
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</argument>
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<description>
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Returns a [SceneTreeTimer] which will [signal SceneTreeTimer.timeout] after the given time in seconds elapsed in this SceneTree. If [code]pause_mode_process[/code] is set to false, pausing the SceneTree will also pause the timer.
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Commonly used to create a one-shot delay timer as in the following example:
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[codeblock]
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func some_function():
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print("start")
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yield(get_tree().create_timer(1.0), "timeout")
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print("end")
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[/codeblock]
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</description>
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</method>
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<method name="get_frame" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the current frame, i.e. number of frames since the application started.
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</description>
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</method>
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<method name="get_network_connected_peers" qualifiers="const">
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<return type="PoolIntArray">
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</return>
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<description>
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Returns the peer IDs of all connected peers of this SceneTree's [member network_peer].
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</description>
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</method>
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<method name="get_network_unique_id" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the unique peer ID of this SceneTree's [member network_peer].
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</description>
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</method>
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<method name="get_node_count" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the number of nodes in this SceneTree.
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</description>
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</method>
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<method name="get_nodes_in_group">
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<return type="Array">
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</return>
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<argument index="0" name="group" type="String">
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</argument>
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<description>
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Returns all nodes assigned to the given group.
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</description>
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</method>
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<method name="get_rpc_sender_id" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the sender's peer ID for the most recently received RPC call.
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</description>
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</method>
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<method name="has_group" qualifiers="const">
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<return type="bool">
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</return>
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<argument index="0" name="name" type="String">
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</argument>
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<description>
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Returns [code]true[/code] if the given group exists.
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</description>
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</method>
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<method name="has_network_peer" qualifiers="const">
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<return type="bool">
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</return>
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<description>
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Returns [code]true[/code] if there is a [member network_peer] set.
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</description>
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</method>
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<method name="is_input_handled">
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<return type="bool">
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</return>
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<description>
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Returns [code]true[/code] if the most recent InputEvent was marked as handled with [method set_input_as_handled].
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</description>
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</method>
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<method name="is_network_server" qualifiers="const">
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<return type="bool">
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</return>
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<description>
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Returns [code]true[/code] if this SceneTree's [member network_peer] is in server mode (listening for connections).
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</description>
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</method>
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<method name="notify_group">
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<return type="void">
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</return>
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<argument index="0" name="group" type="String">
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</argument>
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<argument index="1" name="notification" type="int">
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</argument>
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<description>
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Sends the given notification to all members of the [code]group[/code].
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</description>
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</method>
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<method name="notify_group_flags">
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<return type="void">
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</return>
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<argument index="0" name="call_flags" type="int">
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</argument>
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<argument index="1" name="group" type="String">
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</argument>
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<argument index="2" name="notification" type="int">
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</argument>
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<description>
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Sends the given notification to all members of the [code]group[/code], respecting the given [enum GroupCallFlags].
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</description>
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</method>
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<method name="queue_delete">
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<return type="void">
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</return>
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<argument index="0" name="obj" type="Object">
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</argument>
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<description>
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Queues the given object for deletion, delaying the call to [method Object.free] to after the current frame.
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</description>
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</method>
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<method name="quit">
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<return type="void">
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</return>
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<description>
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Quits the application.
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</description>
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</method>
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<method name="reload_current_scene">
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<return type="int" enum="Error">
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</return>
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<description>
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Reloads the currently active scene.
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</description>
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</method>
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<method name="set_auto_accept_quit">
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<return type="void">
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</return>
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<argument index="0" name="enabled" type="bool">
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</argument>
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<description>
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If [code]true[/code], the application automatically accepts quitting.
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</description>
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</method>
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<method name="set_group">
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<return type="void">
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</return>
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<argument index="0" name="group" type="String">
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</argument>
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<argument index="1" name="property" type="String">
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</argument>
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<argument index="2" name="value" type="Variant">
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</argument>
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<description>
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Sets the given [code]property[/code] to [code]value[/code] on all members of the given group.
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</description>
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</method>
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<method name="set_group_flags">
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<return type="void">
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</return>
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<argument index="0" name="call_flags" type="int">
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</argument>
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<argument index="1" name="group" type="String">
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</argument>
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<argument index="2" name="property" type="String">
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</argument>
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<argument index="3" name="value" type="Variant">
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</argument>
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<description>
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Sets the given [code]property[/code] to [code]value[/code] on all members of the given group, respecting the given [enum GroupCallFlags].
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</description>
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</method>
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<method name="set_input_as_handled">
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<return type="void">
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</return>
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<description>
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Marks the most recent input event as handled.
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</description>
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</method>
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<method name="set_quit_on_go_back">
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<return type="void">
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</return>
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<argument index="0" name="enabled" type="bool">
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</argument>
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<description>
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If [code]true[/code], the application quits automatically on going back (e.g. on Android).
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</description>
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</method>
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<method name="set_screen_stretch">
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<return type="void">
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</return>
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<argument index="0" name="mode" type="int" enum="SceneTree.StretchMode">
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</argument>
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<argument index="1" name="aspect" type="int" enum="SceneTree.StretchAspect">
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</argument>
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<argument index="2" name="minsize" type="Vector2">
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</argument>
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<argument index="3" name="shrink" type="float" default="1">
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</argument>
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<description>
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Configures screen stretching to the given [enum StretchMode], [enum StretchAspect], minimum size and [code]shrink[/code].
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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="current_scene" type="Node" setter="set_current_scene" getter="get_current_scene">
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The current scene.
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</member>
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<member name="debug_collisions_hint" type="bool" setter="set_debug_collisions_hint" getter="is_debugging_collisions_hint">
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</member>
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<member name="debug_navigation_hint" type="bool" setter="set_debug_navigation_hint" getter="is_debugging_navigation_hint">
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</member>
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<member name="edited_scene_root" type="Node" setter="set_edited_scene_root" getter="get_edited_scene_root">
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The root of the edited scene.
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</member>
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<member name="multiplayer" type="MultiplayerAPI" setter="set_multiplayer" getter="get_multiplayer">
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The default [MultiplayerAPI] instance for this SceneTree.
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</member>
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<member name="multiplayer_poll" type="bool" setter="set_multiplayer_poll_enabled" getter="is_multiplayer_poll_enabled">
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If [code]true[/code], (default) enable the automatic polling of the [MultiplayerAPI] for this SceneTree during [signal idle_frame].
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When [code]false[/code] you need to manually call [method MultiplayerAPI.poll] for processing network packets and delivering RPCs/RSETs. This allows to run RPCs/RSETs in a different loop (e.g. physics, thread, specific time step) and for manual [Mutex] protection when accessing the [MultiplayerAPI] from threads.
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</member>
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<member name="network_peer" type="NetworkedMultiplayerPeer" setter="set_network_peer" getter="get_network_peer">
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The peer object to handle the RPC system (effectively enabling networking when set). Depending on the peer itself, the SceneTree will become a network server (check with [method is_network_server]) and will set root node's network mode to master (see NETWORK_MODE_* constants in [Node]), or it will become a regular peer with root node set to puppet. All child nodes are set to inherit the network mode by default. Handling of networking-related events (connection, disconnection, new clients) is done by connecting to SceneTree's signals.
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</member>
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<member name="paused" type="bool" setter="set_pause" getter="is_paused">
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If [code]true[/code], the SceneTree is paused.
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Doing so will have the following behavior:
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* 2D and 3D physics will be stopped.
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* _process and _physics_process will not be called anymore in nodes.
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* _input and _input_event will not be called anymore either.
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</member>
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<member name="refuse_new_network_connections" type="bool" setter="set_refuse_new_network_connections" getter="is_refusing_new_network_connections">
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If [code]true[/code], the SceneTree's [member network_peer] refuses new incoming connections.
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</member>
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<member name="root" type="Viewport" setter="" getter="get_root">
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The SceneTree's [Viewport].
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</member>
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<member name="use_font_oversampling" type="bool" setter="set_use_font_oversampling" getter="is_using_font_oversampling">
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If [code]true[/code], font oversampling is used.
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</member>
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</members>
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<signals>
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<signal name="connected_to_server">
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<description>
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Emitted whenever this SceneTree's [member network_peer] successfully connected to a server. Only emitted on clients.
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</description>
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</signal>
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<signal name="connection_failed">
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<description>
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Emitted whenever this SceneTree's [member network_peer] fails to establish a connection to a server. Only emitted on clients.
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</description>
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</signal>
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<signal name="files_dropped">
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<argument index="0" name="files" type="PoolStringArray">
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</argument>
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<argument index="1" name="screen" type="int">
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</argument>
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<description>
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Emitted whenever files are drag-and-dropped onto the window.
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</description>
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</signal>
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<signal name="idle_frame">
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<description>
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Emitted immediately before [method Node._process] is called on every node in the SceneTree.
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</description>
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</signal>
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<signal name="network_peer_connected">
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<argument index="0" name="id" type="int">
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</argument>
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<description>
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Emitted whenever this SceneTree's [member network_peer] connects with a new peer. ID is the peer ID of the new peer. Clients get notified when other clients connect to the same server. Upon connecting to a server, a client also receives this signal for the server (with ID being 1).
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</description>
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</signal>
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<signal name="network_peer_disconnected">
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<argument index="0" name="id" type="int">
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</argument>
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<description>
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Emitted whenever this SceneTree's [member network_peer] disconnects from a peer. Clients get notified when other clients disconnect from the same server.
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</description>
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</signal>
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<signal name="node_added">
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<argument index="0" name="node" type="Node">
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</argument>
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<description>
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Emitted whenever a node is added to the SceneTree.
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</description>
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</signal>
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<signal name="node_configuration_warning_changed">
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<argument index="0" name="node" type="Node">
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</argument>
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<description>
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Emitted when a node's configuration changed. Only emitted in tool mode.
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</description>
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</signal>
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<signal name="node_removed">
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<argument index="0" name="node" type="Node">
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</argument>
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<description>
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Emitted whenever a node is removed from the SceneTree.
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</description>
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</signal>
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<signal name="physics_frame">
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<description>
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Emitted immediately before [method Node._physics_process] is called on every node in the SceneTree.
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</description>
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</signal>
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<signal name="screen_resized">
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<description>
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Emitted whenever the screen resolution (fullscreen) or window size (windowed) changes.
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</description>
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</signal>
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<signal name="server_disconnected">
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<description>
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Emitted whenever this SceneTree's [member network_peer] disconnected from server. Only emitted on clients.
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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 whenever the SceneTree hierarchy changed (children being moved or renamed, etc.).
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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="GROUP_CALL_DEFAULT" value="0" enum="GroupCallFlags">
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Call a group with no flags (default).
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</constant>
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<constant name="GROUP_CALL_REVERSE" value="1" enum="GroupCallFlags">
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Call a group in reverse scene order.
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</constant>
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<constant name="GROUP_CALL_REALTIME" value="2" enum="GroupCallFlags">
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Call a group immediately (calls are normally made on idle).
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</constant>
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<constant name="GROUP_CALL_UNIQUE" value="4" enum="GroupCallFlags">
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Call a group only once even if the call is executed many times.
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</constant>
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<constant name="STRETCH_MODE_DISABLED" value="0" enum="StretchMode">
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No stretching.
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</constant>
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<constant name="STRETCH_MODE_2D" value="1" enum="StretchMode">
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Render stretching in higher resolution (interpolated).
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</constant>
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<constant name="STRETCH_MODE_VIEWPORT" value="2" enum="StretchMode">
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Keep the specified display resolution. No interpolation. Content may appear pixelated.
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</constant>
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<constant name="STRETCH_ASPECT_IGNORE" value="0" enum="StretchAspect">
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Fill the window with the content stretched to cover excessive space. Content may appear elongated.
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</constant>
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<constant name="STRETCH_ASPECT_KEEP" value="1" enum="StretchAspect">
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Retain the same aspect ratio by padding with black bars in either axes. No expansion of content.
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</constant>
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<constant name="STRETCH_ASPECT_KEEP_WIDTH" value="2" enum="StretchAspect">
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Expand vertically. Left/right black bars may appear if the window is too wide.
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</constant>
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<constant name="STRETCH_ASPECT_KEEP_HEIGHT" value="3" enum="StretchAspect">
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Expand horizontally. Top/bottom black bars may appear if the window is too tall.
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</constant>
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<constant name="STRETCH_ASPECT_EXPAND" value="4" enum="StretchAspect">
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Expand in both directions, retaining the same aspect ratio. No black bars.
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</constant>
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</constants>
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</class>
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