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OpenXR: Implement spatial entities extension
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Bastiaan Olij
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/**************************************************************************/
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/* openxr_spatial_entities.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#pragma once
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#include "../../openxr_structure.h"
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#include "../openxr_future_extension.h"
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#include "scene/resources/mesh.h"
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#include "servers/xr/xr_positional_tracker.h"
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#define XR_NULL_ENTITY 0x7FFFFFFF
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// Wrapper class for XrSpatialCapabilityConfigurationBaseHeaderEXT
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class OpenXRSpatialCapabilityConfigurationBaseHeader : public RefCounted {
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GDCLASS(OpenXRSpatialCapabilityConfigurationBaseHeader, RefCounted);
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protected:
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static void _bind_methods();
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public:
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virtual bool has_valid_configuration() const;
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virtual XrSpatialCapabilityConfigurationBaseHeaderEXT *get_configuration();
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GDVIRTUAL0RC(bool, _has_valid_configuration);
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GDVIRTUAL0R(uint64_t, _get_configuration);
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};
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// Tracker for our spatial entities
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class OpenXRSpatialEntityTracker : public XRPositionalTracker {
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GDCLASS(OpenXRSpatialEntityTracker, XRPositionalTracker);
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public:
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enum EntityTrackingState {
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ENTITY_TRACKING_STATE_STOPPED = XR_SPATIAL_ENTITY_TRACKING_STATE_STOPPED_EXT,
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ENTITY_TRACKING_STATE_PAUSED = XR_SPATIAL_ENTITY_TRACKING_STATE_PAUSED_EXT,
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ENTITY_TRACKING_STATE_TRACKING = XR_SPATIAL_ENTITY_TRACKING_STATE_TRACKING_EXT,
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};
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OpenXRSpatialEntityTracker();
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virtual ~OpenXRSpatialEntityTracker();
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void set_entity(const RID &p_entity);
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RID get_entity() const;
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void set_spatial_tracking_state(const XrSpatialEntityTrackingStateEXT p_state);
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XrSpatialEntityTrackingStateEXT get_spatial_tracking_state() const;
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protected:
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static void _bind_methods();
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private:
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RID spatial_entity;
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XrSpatialEntityTrackingStateEXT spatial_tracking_state = XR_SPATIAL_ENTITY_TRACKING_STATE_PAUSED_EXT;
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void _set_spatial_tracking_state(const EntityTrackingState p_state);
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EntityTrackingState _get_spatial_tracking_state() const;
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};
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VARIANT_ENUM_CAST(OpenXRSpatialEntityTracker::EntityTrackingState)
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// Wrapper class for our spatial component data returned by discovery queries
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class OpenXRSpatialComponentData : public RefCounted {
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GDCLASS(OpenXRSpatialComponentData, RefCounted);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity);
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virtual XrSpatialComponentTypeEXT get_component_type() const;
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virtual void *get_structure_data(void *p_next);
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GDVIRTUAL1(_set_capacity, uint32_t);
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GDVIRTUAL0RC(uint64_t, _get_component_type);
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GDVIRTUAL1RC(uint64_t, _get_structure_data, uint64_t);
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};
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class OpenXRSpatialComponentBounded2DList : public OpenXRSpatialComponentData {
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GDCLASS(OpenXRSpatialComponentBounded2DList, OpenXRSpatialComponentData);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity) override;
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virtual XrSpatialComponentTypeEXT get_component_type() const override;
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virtual void *get_structure_data(void *p_next) override;
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Transform3D get_center_pose(int64_t p_index) const;
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Vector2 get_size(int64_t p_index) const;
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private:
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Vector<XrSpatialBounded2DDataEXT> bounded2d_data;
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XrSpatialComponentBounded2DListEXT bounded2d_list = { XR_TYPE_SPATIAL_COMPONENT_BOUNDED_2D_LIST_EXT, nullptr, 0, nullptr };
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};
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class OpenXRSpatialComponentBounded3DList : public OpenXRSpatialComponentData {
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GDCLASS(OpenXRSpatialComponentBounded3DList, OpenXRSpatialComponentData);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity) override;
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virtual XrSpatialComponentTypeEXT get_component_type() const override;
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virtual void *get_structure_data(void *p_next) override;
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Transform3D get_center_pose(int64_t p_index) const;
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Vector3 get_size(int64_t p_index) const;
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private:
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Vector<XrBoxf> bounded3d_data;
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XrSpatialComponentBounded3DListEXT bounded3d_list = { XR_TYPE_SPATIAL_COMPONENT_BOUNDED_3D_LIST_EXT, nullptr, 0, nullptr };
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};
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class OpenXRSpatialComponentParentList : public OpenXRSpatialComponentData {
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GDCLASS(OpenXRSpatialComponentParentList, OpenXRSpatialComponentData);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity) override;
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virtual XrSpatialComponentTypeEXT get_component_type() const override;
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virtual void *get_structure_data(void *p_next) override;
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RID get_parent(int64_t p_index) const;
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private:
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Vector<XrSpatialEntityIdEXT> parent_data;
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XrSpatialComponentParentListEXT parent_list = { XR_TYPE_SPATIAL_COMPONENT_PARENT_LIST_EXT, nullptr, 0, nullptr };
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};
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class OpenXRSpatialComponentMesh2DList : public OpenXRSpatialComponentData {
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GDCLASS(OpenXRSpatialComponentMesh2DList, OpenXRSpatialComponentData);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity) override;
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virtual XrSpatialComponentTypeEXT get_component_type() const override;
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virtual void *get_structure_data(void *p_next) override;
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Transform3D get_transform(int64_t p_index) const;
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PackedVector2Array get_vertices(RID p_snapshot, int64_t p_index) const;
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PackedInt32Array get_indices(RID p_snapshot, int64_t p_index) const;
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private:
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Vector<XrSpatialMeshDataEXT> mesh2d_data;
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XrSpatialComponentMesh2DListEXT mesh2d_list = { XR_TYPE_SPATIAL_COMPONENT_MESH_2D_LIST_EXT, nullptr, 0, nullptr };
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};
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class OpenXRSpatialComponentMesh3DList : public OpenXRSpatialComponentData {
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GDCLASS(OpenXRSpatialComponentMesh3DList, OpenXRSpatialComponentData);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity) override;
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virtual XrSpatialComponentTypeEXT get_component_type() const override;
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virtual void *get_structure_data(void *p_next) override;
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Transform3D get_transform(int64_t p_index) const;
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Ref<Mesh> get_mesh(int64_t p_index) const;
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private:
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Vector<XrSpatialMeshDataEXT> mesh3d_data;
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XrSpatialComponentMesh3DListEXT mesh3d_list = { XR_TYPE_SPATIAL_COMPONENT_MESH_3D_LIST_EXT, nullptr, 0, nullptr };
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};
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class OpenXRSpatialQueryResultData : public OpenXRSpatialComponentData {
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GDCLASS(OpenXRSpatialQueryResultData, OpenXRSpatialComponentData);
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protected:
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static void _bind_methods();
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public:
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virtual void set_capacity(uint32_t p_capacity) override;
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virtual XrSpatialComponentTypeEXT get_component_type() const override;
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virtual void *get_structure_data(void *p_next) override;
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int64_t get_capacity() const { return entity_ids.size(); }
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XrSpatialEntityIdEXT get_entity_id(int64_t p_index) const;
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XrSpatialEntityTrackingStateEXT get_entity_state(int64_t p_index) const;
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static String get_entity_tracking_state_name(XrSpatialEntityTrackingStateEXT p_tracking_state);
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private:
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Vector<XrSpatialEntityIdEXT> entity_ids;
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Vector<XrSpatialEntityTrackingStateEXT> entity_states;
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XrSpatialComponentDataQueryResultEXT query_result = { XR_TYPE_SPATIAL_COMPONENT_DATA_QUERY_RESULT_EXT, nullptr, 0, 0, nullptr, 0, 0, nullptr };
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uint64_t _get_entity_id(int64_t p_index) const;
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OpenXRSpatialEntityTracker::EntityTrackingState _get_entity_state(int64_t p_index) const;
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};
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