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Add XR_FB_hand_tracking_capsules extension wrapper
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common/src/main/cpp/extensions/openxr_fb_hand_tracking_capsules_extension_wrapper.cpp
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/**************************************************************************/ | ||
/* openxr_fb_hand_tracking_capsules_extension_wrapper.cpp */ | ||
/**************************************************************************/ | ||
/* This file is part of: */ | ||
/* GODOT XR */ | ||
/* https://godotengine.org */ | ||
/**************************************************************************/ | ||
/* Copyright (c) 2022-present Godot XR contributors (see CONTRIBUTORS.md) */ | ||
/* */ | ||
/* 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. */ | ||
/**************************************************************************/ | ||
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#include "extensions/openxr_fb_hand_tracking_capsules_extension_wrapper.h" | ||
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using namespace godot; | ||
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OpenXRFbHandTrackingCapsulesExtensionWrapper *OpenXRFbHandTrackingCapsulesExtensionWrapper::singleton = nullptr; | ||
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OpenXRFbHandTrackingCapsulesExtensionWrapper *OpenXRFbHandTrackingCapsulesExtensionWrapper::get_singleton() { | ||
if (singleton == nullptr) { | ||
singleton = memnew(OpenXRFbHandTrackingCapsulesExtensionWrapper()); | ||
} | ||
return singleton; | ||
} | ||
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OpenXRFbHandTrackingCapsulesExtensionWrapper::OpenXRFbHandTrackingCapsulesExtensionWrapper() : | ||
OpenXRExtensionWrapperExtension() { | ||
ERR_FAIL_COND_MSG(singleton != nullptr, "An OpenXRFbHandTrackingCapsulesExtensionWrapper singleton already exists."); | ||
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request_extensions[XR_FB_HAND_TRACKING_CAPSULES_EXTENSION_NAME] = &fb_hand_tracking_capsules_ext; | ||
singleton = this; | ||
} | ||
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OpenXRFbHandTrackingCapsulesExtensionWrapper::~OpenXRFbHandTrackingCapsulesExtensionWrapper() { | ||
cleanup(); | ||
} | ||
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void OpenXRFbHandTrackingCapsulesExtensionWrapper::_bind_methods() { | ||
ClassDB::bind_method(D_METHOD("is_enabled"), &OpenXRFbHandTrackingCapsulesExtensionWrapper::is_enabled); | ||
ClassDB::bind_method(D_METHOD("get_hand_capsule_count"), &OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_count); | ||
ClassDB::bind_method(D_METHOD("get_hand_capsule_transform"), &OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_transform); | ||
ClassDB::bind_method(D_METHOD("get_hand_capsule_height"), &OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_height); | ||
ClassDB::bind_method(D_METHOD("get_hand_capsule_radius"), &OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_radius); | ||
ClassDB::bind_method(D_METHOD("get_hand_capsule_joint"), &OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_joint); | ||
} | ||
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void OpenXRFbHandTrackingCapsulesExtensionWrapper::cleanup() { | ||
fb_hand_tracking_capsules_ext = false; | ||
} | ||
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godot::Dictionary OpenXRFbHandTrackingCapsulesExtensionWrapper::_get_requested_extensions() { | ||
godot::Dictionary result; | ||
for (auto ext : request_extensions) { | ||
godot::String key = ext.first; | ||
uint64_t value = reinterpret_cast<uint64_t>(ext.second); | ||
result[key] = (godot::Variant)value; | ||
} | ||
return result; | ||
} | ||
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void OpenXRFbHandTrackingCapsulesExtensionWrapper::_on_instance_destroyed() { | ||
cleanup(); | ||
} | ||
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uint64_t OpenXRFbHandTrackingCapsulesExtensionWrapper::_set_hand_joint_locations_and_get_next_pointer(int32_t p_hand_index, void *p_next_pointer) { | ||
if (!fb_hand_tracking_capsules_ext) { | ||
return reinterpret_cast<uint64_t>(p_next_pointer); | ||
} | ||
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capsules_state[p_hand_index] = { | ||
XR_TYPE_HAND_TRACKING_CAPSULES_STATE_FB, // type | ||
p_next_pointer, // next | ||
}; | ||
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return reinterpret_cast<uint64_t>(&capsules_state[p_hand_index]); | ||
} | ||
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Transform3D OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_transform(int p_hand_index, int p_capsule_index) const { | ||
ERR_FAIL_INDEX_V_MSG(p_hand_index, Hand::HAND_MAX, Transform3D(), vformat("Invalid hand index %d", p_hand_index)); | ||
ERR_FAIL_INDEX_V_MSG(p_capsule_index, XR_FB_HAND_TRACKING_CAPSULE_COUNT, Transform3D(), vformat("Invalid capsule index %d", p_capsule_index)); | ||
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if (!fb_hand_tracking_capsules_ext) { | ||
return Transform3D(); | ||
} | ||
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XrHandCapsuleFB capsule = capsules_state[p_hand_index].capsules[p_capsule_index]; | ||
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XrVector3f xr_p1 = capsule.points[0]; | ||
XrVector3f xr_p2 = capsule.points[1]; | ||
Vector3 p1 = Vector3(xr_p1.x, xr_p1.y, xr_p1.z); | ||
Vector3 p2 = Vector3(xr_p2.x, xr_p2.y, xr_p2.z); | ||
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Vector3 up_dir = Vector3(0, 1, 0); | ||
Vector3 right_dir = Vector3(1, 0, 0); | ||
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Vector3 y_dir = (p2 - p1).normalized(); | ||
Vector3 x_dir = (y_dir.is_equal_approx(up_dir)) ? y_dir.cross(right_dir).normalized() : y_dir.cross(up_dir).normalized(); | ||
Vector3 z_dir = y_dir.cross(x_dir).normalized(); | ||
Basis basis = Basis(x_dir, y_dir, z_dir); | ||
Vector3 center = (p1 + p2) * 0.5; | ||
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float height = p1.distance_to(p2) + (capsule.radius * 2.0); | ||
Transform3D transform = Transform3D(basis, center); | ||
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return Transform3D(basis, center); | ||
} | ||
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float OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_height(int p_hand_index, int p_capsule_index) const { | ||
ERR_FAIL_INDEX_V_MSG(p_hand_index, Hand::HAND_MAX, 0.0, vformat("Invalid hand index %d", p_hand_index)); | ||
ERR_FAIL_INDEX_V_MSG(p_capsule_index, XR_FB_HAND_TRACKING_CAPSULE_COUNT, 0.0, vformat("Invalid capsule index %d", p_capsule_index)); | ||
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if (!fb_hand_tracking_capsules_ext) { | ||
return 0.0; | ||
} | ||
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XrHandCapsuleFB capsule = capsules_state[p_hand_index].capsules[p_capsule_index]; | ||
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XrVector3f xr_p1 = capsule.points[0]; | ||
XrVector3f xr_p2 = capsule.points[1]; | ||
Vector3 p1 = Vector3(xr_p1.x, xr_p1.y, xr_p1.z); | ||
Vector3 p2 = Vector3(xr_p2.x, xr_p2.y, xr_p2.z); | ||
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return p1.distance_to(p2) + (capsule.radius * 2.0); | ||
} | ||
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float OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_radius(int p_hand_index, int p_capsule_index) const { | ||
ERR_FAIL_INDEX_V_MSG(p_hand_index, Hand::HAND_MAX, 0.0, vformat("Invalid hand index %d", p_hand_index)); | ||
ERR_FAIL_INDEX_V_MSG(p_capsule_index, XR_FB_HAND_TRACKING_CAPSULE_COUNT, 0.0, vformat("Invalid capsule index %d", p_capsule_index)); | ||
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if (!fb_hand_tracking_capsules_ext) { | ||
return 0.0; | ||
} | ||
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XrHandCapsuleFB capsule = capsules_state[p_hand_index].capsules[p_capsule_index]; | ||
return capsule.radius; | ||
} | ||
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XRHandTracker::HandJoint OpenXRFbHandTrackingCapsulesExtensionWrapper::get_hand_capsule_joint(int p_hand_index, int p_capsule_index) const { | ||
ERR_FAIL_INDEX_V_MSG(p_hand_index, Hand::HAND_MAX, HandJoint(0), vformat("Invalid hand index %d", p_hand_index)); | ||
ERR_FAIL_INDEX_V_MSG(p_capsule_index, XR_FB_HAND_TRACKING_CAPSULE_COUNT, HandJoint(0), vformat("Invalid capsule index %d", p_capsule_index)); | ||
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if (!fb_hand_tracking_capsules_ext) { | ||
return HandJoint(0); | ||
} | ||
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XrHandCapsuleFB capsule = capsules_state[p_hand_index].capsules[p_capsule_index]; | ||
return HandJoint(capsule.joint); | ||
} |
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common/src/main/cpp/include/extensions/openxr_fb_hand_tracking_capsules_extension_wrapper.h
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@@ -0,0 +1,84 @@ | ||
/**************************************************************************/ | ||
/* openxr_fb_hand_tracking_capsules_extension_wrapper.h */ | ||
/**************************************************************************/ | ||
/* This file is part of: */ | ||
/* GODOT XR */ | ||
/* https://godotengine.org */ | ||
/**************************************************************************/ | ||
/* Copyright (c) 2022-present Godot XR contributors (see CONTRIBUTORS.md) */ | ||
/* */ | ||
/* 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. */ | ||
/**************************************************************************/ | ||
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#ifndef OPENXR_FB_HAND_TRACKING_CAPSULES_EXTENSION_WRAPPER_H | ||
#define OPENXR_FB_HAND_TRACKING_CAPSULES_EXTENSION_WRAPPER_H | ||
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#include <openxr/openxr.h> | ||
#include <godot_cpp/classes/open_xr_extension_wrapper_extension.hpp> | ||
#include <godot_cpp/classes/xr_hand_tracker.hpp> | ||
#include <map> | ||
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using namespace godot; | ||
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// Wrapper for the set of Facebook XR hand tracking capsules extension. | ||
class OpenXRFbHandTrackingCapsulesExtensionWrapper : public OpenXRExtensionWrapperExtension { | ||
GDCLASS(OpenXRFbHandTrackingCapsulesExtensionWrapper, OpenXRExtensionWrapperExtension); | ||
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public: | ||
using Hand = XRHandTracker::Hand; | ||
using HandJoint = XRHandTracker::HandJoint; | ||
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godot::Dictionary _get_requested_extensions() override; | ||
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void _on_instance_destroyed() override; | ||
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uint64_t _set_hand_joint_locations_and_get_next_pointer(int32_t p_hand_index, void *p_next_pointer) override; | ||
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bool is_enabled() { | ||
return fb_hand_tracking_capsules_ext; | ||
} | ||
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int get_hand_capsule_count() const { return XR_HAND_TRACKING_CAPSULE_COUNT_FB; } | ||
Transform3D get_hand_capsule_transform(int p_hand_index, int p_capsule_index) const; | ||
float get_hand_capsule_height(int p_hand_index, int p_capsule_index) const; | ||
float get_hand_capsule_radius(int p_hand_index, int p_capsule_index) const; | ||
HandJoint get_hand_capsule_joint(int p_hand_index, int p_capsule_index) const; | ||
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static OpenXRFbHandTrackingCapsulesExtensionWrapper *get_singleton(); | ||
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OpenXRFbHandTrackingCapsulesExtensionWrapper(); | ||
~OpenXRFbHandTrackingCapsulesExtensionWrapper(); | ||
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protected: | ||
static void _bind_methods(); | ||
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private: | ||
std::map<godot::String, bool *> request_extensions; | ||
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void cleanup(); | ||
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static OpenXRFbHandTrackingCapsulesExtensionWrapper *singleton; | ||
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bool fb_hand_tracking_capsules_ext = false; | ||
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XrHandTrackingCapsulesStateFB capsules_state[Hand::HAND_MAX]; | ||
}; | ||
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#endif // OPENXR_FB_HAND_TRACKING_CAPSULES_EXTENSION_WRAPPER_H |
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