1 files changed, 93 insertions, 0 deletions
diff --git a/modules/openxr/scene/openxr_hand.h b/modules/openxr/scene/openxr_hand.h
new file mode 100644
index 0000000000..f8499cc172
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+++ b/modules/openxr/scene/openxr_hand.h
@@ -0,0 +1,93 @@
+/*************************************************************************/
+/*  openxr_hand.h                                                        */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.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.                */
+/*************************************************************************/
+
+#ifndef OPENXR_HAND_H
+#define OPENXR_HAND_H
+
+#include "scene/3d/node_3d.h"
+#include "scene/3d/skeleton_3d.h"
+
+class OpenXRAPI;
+class OpenXRHandTrackingExtension;
+
+class OpenXRHand : public Node3D {
+	GDCLASS(OpenXRHand, Node3D);
+
+public:
+	enum Hands {
+		HAND_LEFT,
+		HAND_RIGHT,
+		HAND_MAX
+	};
+
+	enum MotionRange {
+		MOTION_RANGE_UNOBSTRUCTED,
+		MOTION_RANGE_CONFORM_TO_CONTROLLER,
+		MOTION_RANGE_MAX
+	};
+
+private:
+	OpenXRAPI *openxr_api = nullptr;
+	OpenXRHandTrackingExtension *hand_tracking_ext = nullptr;
+
+	Hands hand = HAND_LEFT;
+	MotionRange motion_range = MOTION_RANGE_UNOBSTRUCTED;
+	NodePath hand_skeleton;
+
+	int64_t bones[XR_HAND_JOINT_COUNT_EXT];
+
+	void _set_motion_range();
+
+	Skeleton3D *get_skeleton();
+	void _get_bones();
+	void _update_skeleton();
+
+protected:
+	static void _bind_methods();
+
+public:
+	OpenXRHand();
+
+	void set_hand(const Hands p_hand);
+	Hands get_hand() const;
+
+	void set_motion_range(const MotionRange p_motion_range);
+	MotionRange get_motion_range() const;
+
+	void set_hand_skeleton(const NodePath &p_hand_skeleton);
+	NodePath get_hand_skeleton() const;
+
+	void _notification(int p_what);
+};
+
+VARIANT_ENUM_CAST(OpenXRHand::Hands)
+VARIANT_ENUM_CAST(OpenXRHand::MotionRange)
+
+#endif // OPENXR_HAND_H