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78 lines
4.9 KiB
XML
78 lines
4.9 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="NavigationRegion3D" inherits="Node3D" is_experimental="true" version="4.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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A region of the navigation map.
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</brief_description>
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<description>
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A region of the navigation map. It tells the [NavigationServer3D] what can be navigated and what cannot, based on its [NavigationMesh] resource.
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Two regions can be connected to each other if they share a similar edge. You can set the minimum distance between two vertices required to connect two edges by using [method NavigationServer3D.map_set_edge_connection_margin].
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[b]Note:[/b] Overlapping two regions' navigation meshes is not enough for connecting two regions. They must share a similar edge.
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The cost of entering this region from another region can be controlled with the [member enter_cost] value.
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[b]Note:[/b] This value is not added to the path cost when the start position is already inside this region.
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The cost of traveling distances inside this region can be controlled with the [member travel_cost] multiplier.
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[b]Note:[/b] This node caches changes to its properties, so if you make changes to the underlying region [RID] in [NavigationServer3D], they will not be reflected in this node's properties.
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</description>
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<tutorials>
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<link title="Using NavigationRegions">$DOCS_URL/tutorials/navigation/navigation_using_navigationregions.html</link>
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</tutorials>
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<methods>
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<method name="bake_navigation_mesh">
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<return type="void" />
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<param index="0" name="on_thread" type="bool" default="true" />
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<description>
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Bakes the [NavigationMesh]. If [param on_thread] is set to [code]true[/code] (default), the baking is done on a separate thread. Baking on separate thread is useful because navigation baking is not a cheap operation. When it is completed, it automatically sets the new [NavigationMesh]. Please note that baking on separate thread may be very slow if geometry is parsed from meshes as async access to each mesh involves heavy synchronization. Also, please note that baking on a separate thread is automatically disabled on operating systems that cannot use threads (such as Web with threads disabled).
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</description>
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</method>
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<method name="get_navigation_layer_value" qualifiers="const">
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<return type="bool" />
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<param index="0" name="layer_number" type="int" />
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<description>
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Returns whether or not the specified layer of the [member navigation_layers] bitmask is enabled, given a [param layer_number] between 1 and 32.
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</description>
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</method>
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<method name="get_region_rid" qualifiers="const">
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<return type="RID" />
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<description>
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Returns the [RID] of this region on the [NavigationServer3D]. Combined with [method NavigationServer3D.map_get_closest_point_owner] can be used to identify the [NavigationRegion3D] closest to a point on the merged navigation map.
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</description>
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</method>
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<method name="set_navigation_layer_value">
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<return type="void" />
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<param index="0" name="layer_number" type="int" />
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<param index="1" name="value" type="bool" />
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<description>
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Based on [param value], enables or disables the specified layer in the [member navigation_layers] bitmask, given a [param layer_number] between 1 and 32.
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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="enabled" type="bool" setter="set_enabled" getter="is_enabled" default="true">
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Determines if the [NavigationRegion3D] is enabled or disabled.
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</member>
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<member name="enter_cost" type="float" setter="set_enter_cost" getter="get_enter_cost" default="0.0">
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When pathfinding enters this region's navigation mesh from another regions navigation mesh the [code]enter_cost[/code] value is added to the path distance for determining the shortest path.
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</member>
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<member name="navigation_layers" type="int" setter="set_navigation_layers" getter="get_navigation_layers" default="1">
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A bitfield determining all navigation layers the region belongs to. These navigation layers can be checked upon when requesting a path with [method NavigationServer3D.map_get_path].
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</member>
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<member name="navigation_mesh" type="NavigationMesh" setter="set_navigation_mesh" getter="get_navigation_mesh">
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The [NavigationMesh] resource to use.
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</member>
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<member name="travel_cost" type="float" setter="set_travel_cost" getter="get_travel_cost" default="1.0">
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When pathfinding moves inside this region's navigation mesh the traveled distances are multiplied with [code]travel_cost[/code] for determining the shortest path.
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</member>
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</members>
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<signals>
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<signal name="bake_finished">
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<description>
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Notifies when the navigation mesh bake operation is completed.
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</description>
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</signal>
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<signal name="navigation_mesh_changed">
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<description>
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Notifies when the [NavigationMesh] has changed.
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</description>
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</signal>
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</signals>
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</class>
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