<?xml version="1.0" encoding="UTF-8" ?> <class name="XRInterfaceExtension" inherits="XRInterface" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd"> <brief_description> Base class for XR interface extensions (plugins). </brief_description> <description> External XR interface plugins should inherit from this class. </description> <tutorials> </tutorials> <methods> <method name="_end_frame" qualifiers="virtual"> <return type="void" /> <description> Called if interface is active and queues have been submitted. </description> </method> <method name="_get_anchor_detection_is_enabled" qualifiers="virtual const"> <return type="bool" /> <description> Return [code]true[/code] if anchor detection is enabled for this interface. </description> </method> <method name="_get_camera_feed_id" qualifiers="virtual const"> <return type="int" /> <description> Returns the camera feed ID for the [CameraFeed] registered with the [CameraServer] that should be presented as the background on an AR capable device (if applicable). </description> </method> <method name="_get_camera_transform" qualifiers="virtual"> <return type="Transform3D" /> <description> Returns the [Transform3D] that positions the [XRCamera3D] in the world. </description> </method> <method name="_get_capabilities" qualifiers="virtual const"> <return type="int" /> <description> Returns the capabilities of this interface. </description> </method> <method name="_get_color_texture" qualifiers="virtual"> <return type="RID" /> <description> Return color texture into which to render (if applicable). </description> </method> <method name="_get_depth_texture" qualifiers="virtual"> <return type="RID" /> <description> Return depth texture into which to render (if applicable). </description> </method> <method name="_get_name" qualifiers="virtual const"> <return type="StringName" /> <description> Returns the name of this interface. </description> </method> <method name="_get_play_area" qualifiers="virtual const"> <return type="PackedVector3Array" /> <description> Returns an [PackedVector3Array] that denotes the play areas boundaries (if applicable). </description> </method> <method name="_get_play_area_mode" qualifiers="virtual const"> <return type="int" enum="XRInterface.PlayAreaMode" /> <description> Returns the [enum XRInterface.PlayAreaMode] that sets up our play area. </description> </method> <method name="_get_projection_for_view" qualifiers="virtual"> <return type="PackedFloat64Array" /> <param index="0" name="view" type="int" /> <param index="1" name="aspect" type="float" /> <param index="2" name="z_near" type="float" /> <param index="3" name="z_far" type="float" /> <description> Returns the projection matrix for the given view as a [PackedFloat64Array]. </description> </method> <method name="_get_render_target_size" qualifiers="virtual"> <return type="Vector2" /> <description> Returns the size of our render target for this interface, this overrides the size of the [Viewport] marked as the xr viewport. </description> </method> <method name="_get_suggested_pose_names" qualifiers="virtual const"> <return type="PackedStringArray" /> <param index="0" name="tracker_name" type="StringName" /> <description> Returns a [PackedStringArray] with pose names configured by this interface. Note that user configuration can override this list. </description> </method> <method name="_get_suggested_tracker_names" qualifiers="virtual const"> <return type="PackedStringArray" /> <description> Returns a [PackedStringArray] with tracker names configured by this interface. Note that user configuration can override this list. </description> </method> <method name="_get_tracking_status" qualifiers="virtual const"> <return type="int" enum="XRInterface.TrackingStatus" /> <description> Returns a [enum XRInterface.TrackingStatus] specifying the current status of our tracking. </description> </method> <method name="_get_transform_for_view" qualifiers="virtual"> <return type="Transform3D" /> <param index="0" name="view" type="int" /> <param index="1" name="cam_transform" type="Transform3D" /> <description> Returns a [Transform3D] for a given view. </description> </method> <method name="_get_velocity_texture" qualifiers="virtual"> <return type="RID" /> <description> Return velocity texture into which to render (if applicable). </description> </method> <method name="_get_view_count" qualifiers="virtual"> <return type="int" /> <description> Returns the number of views this interface requires, 1 for mono, 2 for stereoscopic. </description> </method> <method name="_get_vrs_texture" qualifiers="virtual"> <return type="RID" /> <description> </description> </method> <method name="_initialize" qualifiers="virtual"> <return type="bool" /> <description> Initializes the interface, returns [code]true[/code] on success. </description> </method> <method name="_is_initialized" qualifiers="virtual const"> <return type="bool" /> <description> Returns [code]true[/code] if this interface has been initialized. </description> </method> <method name="_post_draw_viewport" qualifiers="virtual"> <return type="void" /> <param index="0" name="render_target" type="RID" /> <param index="1" name="screen_rect" type="Rect2" /> <description> Called after the XR [Viewport] draw logic has completed. </description> </method> <method name="_pre_draw_viewport" qualifiers="virtual"> <return type="bool" /> <param index="0" name="render_target" type="RID" /> <description> Called if this is our primary [XRInterfaceExtension] before we start processing a [Viewport] for every active XR [Viewport], returns [code]true[/code] if that viewport should be rendered. An XR interface may return [code]false[/code] if the user has taken off their headset and we can pause rendering. </description> </method> <method name="_pre_render" qualifiers="virtual"> <return type="void" /> <description> Called if this [XRInterfaceExtension] is active before rendering starts, most XR interfaces will sync tracking at this point in time. </description> </method> <method name="_process" qualifiers="virtual"> <return type="void" /> <description> Called if this [XRInterfaceExtension] is active before our physics and game process is called. most XR interfaces will update its [XRPositionalTracker]s at this point in time. </description> </method> <method name="_set_anchor_detection_is_enabled" qualifiers="virtual"> <return type="void" /> <param index="0" name="enabled" type="bool" /> <description> Enables anchor detection on this interface if supported. </description> </method> <method name="_set_play_area_mode" qualifiers="virtual const"> <return type="bool" /> <param index="0" name="mode" type="int" enum="XRInterface.PlayAreaMode" /> <description> Set the play area mode for this interface. </description> </method> <method name="_supports_play_area_mode" qualifiers="virtual const"> <return type="bool" /> <param index="0" name="mode" type="int" enum="XRInterface.PlayAreaMode" /> <description> Returns [code]true[/code] if this interface supports this play area mode. </description> </method> <method name="_trigger_haptic_pulse" qualifiers="virtual"> <return type="void" /> <param index="0" name="action_name" type="String" /> <param index="1" name="tracker_name" type="StringName" /> <param index="2" name="frequency" type="float" /> <param index="3" name="amplitude" type="float" /> <param index="4" name="duration_sec" type="float" /> <param index="5" name="delay_sec" type="float" /> <description> Triggers a haptic pulse to be emitted on the specified tracker. </description> </method> <method name="_uninitialize" qualifiers="virtual"> <return type="void" /> <description> Uninitialize the interface. </description> </method> <method name="add_blit"> <return type="void" /> <param index="0" name="render_target" type="RID" /> <param index="1" name="src_rect" type="Rect2" /> <param index="2" name="dst_rect" type="Rect2i" /> <param index="3" name="use_layer" type="bool" /> <param index="4" name="layer" type="int" /> <param index="5" name="apply_lens_distortion" type="bool" /> <param index="6" name="eye_center" type="Vector2" /> <param index="7" name="k1" type="float" /> <param index="8" name="k2" type="float" /> <param index="9" name="upscale" type="float" /> <param index="10" name="aspect_ratio" type="float" /> <description> Blits our render results to screen optionally applying lens distortion. This can only be called while processing [code]_commit_views[/code]. </description> </method> <method name="get_color_texture"> <return type="RID" /> <description> </description> </method> <method name="get_depth_texture"> <return type="RID" /> <description> </description> </method> <method name="get_render_target_texture"> <return type="RID" /> <param index="0" name="render_target" type="RID" /> <description> Returns a valid [RID] for a texture to which we should render the current frame if supported by the interface. </description> </method> <method name="get_velocity_texture"> <return type="RID" /> <description> </description> </method> </methods> </class>