godot/modules/openxr/extensions/spatial_entities/openxr_spatial_plane_tracking.h
2025-09-27 12:23:33 +10:00

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9.5 KiB
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/**************************************************************************/
/* openxr_spatial_plane_tracking.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#pragma once
#include "openxr_spatial_entities.h"
#include "openxr_spatial_entity_extension.h"
#include "scene/resources/3d/shape_3d.h"
// Plane tracking capability configuration
class OpenXRSpatialCapabilityConfigurationPlaneTracking : public OpenXRSpatialCapabilityConfigurationBaseHeader {
GDCLASS(OpenXRSpatialCapabilityConfigurationPlaneTracking, OpenXRSpatialCapabilityConfigurationBaseHeader);
public:
virtual bool has_valid_configuration() const override;
virtual XrSpatialCapabilityConfigurationBaseHeaderEXT *get_configuration() override;
bool get_supports_mesh_2d();
bool get_supports_polygons();
bool get_supports_labels();
Vector<XrSpatialComponentTypeEXT> get_enabled_components() const { return plane_enabled_components; }
protected:
static void _bind_methods();
private:
int supports_mesh_2d = -1;
int supports_polygons = -1;
int supports_labels = -1;
Vector<XrSpatialComponentTypeEXT> plane_enabled_components;
XrSpatialCapabilityConfigurationPlaneTrackingEXT plane_config = { XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_PLANE_TRACKING_EXT, nullptr, XR_SPATIAL_CAPABILITY_PLANE_TRACKING_EXT, 0, nullptr };
PackedInt64Array _get_enabled_components() const;
};
// Plane alignment component data
class OpenXRSpatialComponentPlaneAlignmentList : public OpenXRSpatialComponentData {
GDCLASS(OpenXRSpatialComponentPlaneAlignmentList, OpenXRSpatialComponentData);
public:
enum PlaneAlignment {
PLANE_ALIGNMENT_HORIZONTAL_UPWARD = XR_SPATIAL_PLANE_ALIGNMENT_HORIZONTAL_UPWARD_EXT,
PLANE_ALIGNMENT_HORIZONTAL_DOWNWARD = XR_SPATIAL_PLANE_ALIGNMENT_HORIZONTAL_DOWNWARD_EXT,
PLANE_ALIGNMENT_VERTICAL = XR_SPATIAL_PLANE_ALIGNMENT_VERTICAL_EXT,
PLANE_ALIGNMENT_ARBITRARY = XR_SPATIAL_PLANE_ALIGNMENT_ARBITRARY_EXT,
};
virtual void set_capacity(uint32_t p_capacity) override;
virtual XrSpatialComponentTypeEXT get_component_type() const override;
virtual void *get_structure_data(void *p_next) override;
XrSpatialPlaneAlignmentEXT get_plane_alignment(int64_t p_index) const;
protected:
static void _bind_methods();
private:
Vector<XrSpatialPlaneAlignmentEXT> plane_alignment_data;
XrSpatialComponentPlaneAlignmentListEXT plane_alignment_list = { XR_TYPE_SPATIAL_COMPONENT_PLANE_ALIGNMENT_LIST_EXT, nullptr, 0, nullptr };
PlaneAlignment _get_plane_alignment(int64_t p_index) const;
};
VARIANT_ENUM_CAST(OpenXRSpatialComponentPlaneAlignmentList::PlaneAlignment);
class OpenXRSpatialComponentPolygon2DList : public OpenXRSpatialComponentData {
GDCLASS(OpenXRSpatialComponentPolygon2DList, OpenXRSpatialComponentData);
protected:
static void _bind_methods();
public:
virtual void set_capacity(uint32_t p_capacity) override;
virtual XrSpatialComponentTypeEXT get_component_type() const override;
virtual void *get_structure_data(void *p_next) override;
Transform3D get_transform(int64_t p_index) const;
PackedVector2Array get_vertices(RID p_snapshot, int64_t p_index) const;
private:
Vector<XrSpatialPolygon2DDataEXT> polygon2d_data;
XrSpatialComponentPolygon2DListEXT polygon2d_list = { XR_TYPE_SPATIAL_COMPONENT_POLYGON_2D_LIST_EXT, nullptr, 0, nullptr };
};
// Plane semantic label component data.
class OpenXRSpatialComponentPlaneSemanticLabelList : public OpenXRSpatialComponentData {
GDCLASS(OpenXRSpatialComponentPlaneSemanticLabelList, OpenXRSpatialComponentData);
public:
enum PlaneSemanticLabel {
PLANE_SEMANTIC_LABEL_UNCATEGORIZED = XR_SPATIAL_PLANE_SEMANTIC_LABEL_UNCATEGORIZED_EXT,
PLANE_SEMANTIC_LABEL_FLOOR = XR_SPATIAL_PLANE_SEMANTIC_LABEL_FLOOR_EXT,
PLANE_SEMANTIC_LABEL_WALL = XR_SPATIAL_PLANE_SEMANTIC_LABEL_WALL_EXT,
PLANE_SEMANTIC_LABEL_CEILING = XR_SPATIAL_PLANE_SEMANTIC_LABEL_CEILING_EXT,
PLANE_SEMANTIC_LABEL_TABLE = XR_SPATIAL_PLANE_SEMANTIC_LABEL_TABLE_EXT,
};
virtual void set_capacity(uint32_t p_capacity) override;
virtual XrSpatialComponentTypeEXT get_component_type() const override;
virtual void *get_structure_data(void *p_next) override;
XrSpatialPlaneSemanticLabelEXT get_plane_semantic_label(int64_t p_index) const;
protected:
static void _bind_methods();
private:
Vector<XrSpatialPlaneSemanticLabelEXT> plane_semantic_label_data;
XrSpatialComponentPlaneSemanticLabelListEXT plane_semantic_label_list = { XR_TYPE_SPATIAL_COMPONENT_PLANE_SEMANTIC_LABEL_LIST_EXT, nullptr, 0, nullptr };
PlaneSemanticLabel _get_plane_semantic_label(int64_t p_index) const;
};
VARIANT_ENUM_CAST(OpenXRSpatialComponentPlaneSemanticLabelList::PlaneSemanticLabel);
// Plane tracker
class OpenXRPlaneTracker : public OpenXRSpatialEntityTracker {
GDCLASS(OpenXRPlaneTracker, OpenXRSpatialEntityTracker);
public:
void set_bounds_size(const Vector2 &p_bounds_size);
Vector2 get_bounds_size() const;
void set_plane_alignment(OpenXRSpatialComponentPlaneAlignmentList::PlaneAlignment p_plane_alignment);
OpenXRSpatialComponentPlaneAlignmentList::PlaneAlignment get_plane_alignment() const;
void set_plane_label(const String &p_plane_label);
String get_plane_label() const;
void set_mesh_data(const Transform3D &p_origin, const PackedVector2Array &p_vertices, const PackedInt32Array &p_indices = PackedInt32Array());
void clear_mesh_data();
Transform3D get_mesh_offset() const;
Ref<Mesh> get_mesh();
Ref<Shape3D> get_shape(real_t p_thickness = 0.01);
protected:
static void _bind_methods();
private:
Vector2 bounds_size;
OpenXRSpatialComponentPlaneAlignmentList::PlaneAlignment plane_alignment = OpenXRSpatialComponentPlaneAlignmentList::PLANE_ALIGNMENT_HORIZONTAL_UPWARD;
String plane_label;
// Mesh data (if we have this)
struct MeshData {
bool has_mesh_data = false;
Transform3D origin;
PackedVector2Array vertices;
PackedInt32Array indices;
Ref<Mesh> mesh;
Ref<Shape3D> shape3d;
} mesh;
struct Edge {
int32_t a;
int32_t b;
static _FORCE_INLINE_ uint32_t hash(const Edge &p_edge) {
uint32_t h = hash_murmur3_one_32(p_edge.a);
return hash_murmur3_one_32(p_edge.b, h);
}
bool operator==(const Edge &p_edge) const {
return (a == p_edge.a && b == p_edge.b);
}
Edge(int32_t p_a = 0, int32_t p_b = 0) {
a = p_a;
b = p_b;
if (a < b) {
SWAP(a, b);
}
}
};
};
// Plane tracking logic
class OpenXRSpatialPlaneTrackingCapability : public OpenXRExtensionWrapper {
GDCLASS(OpenXRSpatialPlaneTrackingCapability, OpenXRExtensionWrapper);
protected:
static void _bind_methods();
public:
static OpenXRSpatialPlaneTrackingCapability *get_singleton();
OpenXRSpatialPlaneTrackingCapability();
virtual ~OpenXRSpatialPlaneTrackingCapability() override;
virtual HashMap<String, bool *> get_requested_extensions() override;
virtual void on_session_created(const XrSession p_session) override;
virtual void on_session_destroyed() override;
virtual void on_process() override;
bool is_supported();
private:
static OpenXRSpatialPlaneTrackingCapability *singleton;
bool spatial_plane_tracking_ext = false;
bool spatial_plane_tracking_supported = false;
RID spatial_context;
bool need_discovery = false;
int discovery_cooldown = 0;
Ref<OpenXRFutureResult> discovery_query_result;
Ref<OpenXRSpatialCapabilityConfigurationPlaneTracking> plane_configuration;
// Discovery logic
Ref<OpenXRFutureResult> _create_spatial_context();
void _on_spatial_context_created(RID p_spatial_context);
void _on_spatial_discovery_recommended(RID p_spatial_context);
Ref<OpenXRFutureResult> _start_entity_discovery();
void _process_snapshot(RID p_snapshot);
// Trackers
HashMap<XrSpatialEntityIdEXT, Ref<OpenXRPlaneTracker>> plane_trackers;
};