Adding HTC tracker support

2 files changed, 119 insertions, 0 deletions

diff --git a/modules/openxr/extensions/openxr_htc_vive_tracker_extension.cpp b/modules/openxr/extensions/openxr_htc_vive_tracker_extension.cpp
new file mode 100644
index 0000000000..302acf4e30
--- /dev/null
+++ b/modules/openxr/extensions/openxr_htc_vive_tracker_extension.cpp
@@ -0,0 +1,67 @@
+/*************************************************************************/
+/*  openxr_htc_vive_tracker_extension.cpp                                */
+/*************************************************************************/
+/*                       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.                */
+/*************************************************************************/
+
+#include "openxr_htc_vive_tracker_extension.h"
+#include "core/string/print_string.h"
+
+OpenXRHTCViveTrackerExtension *OpenXRHTCViveTrackerExtension::singleton = nullptr;
+
+OpenXRHTCViveTrackerExtension *OpenXRHTCViveTrackerExtension::get_singleton() {
+	return singleton;
+}
+
+OpenXRHTCViveTrackerExtension::OpenXRHTCViveTrackerExtension(OpenXRAPI *p_openxr_api) :
+		OpenXRExtensionWrapper(p_openxr_api) {
+	singleton = this;
+
+	request_extensions[XR_HTCX_VIVE_TRACKER_INTERACTION_EXTENSION_NAME] = &available;
+}
+
+OpenXRHTCViveTrackerExtension::~OpenXRHTCViveTrackerExtension() {
+	singleton = nullptr;
+}
+
+bool OpenXRHTCViveTrackerExtension::is_available() {
+	return available;
+}
+
+bool OpenXRHTCViveTrackerExtension::on_event_polled(const XrEventDataBuffer &event) {
+	switch (event.type) {
+		case XR_TYPE_EVENT_DATA_VIVE_TRACKER_CONNECTED_HTCX: {
+			// Investigate if we need to do more here
+			print_verbose("OpenXR EVENT: VIVE tracker connected");
+
+			return true;
+		} break;
+		default: {
+			return false;
+		} break;
+	}
+}
diff --git a/modules/openxr/extensions/openxr_htc_vive_tracker_extension.h b/modules/openxr/extensions/openxr_htc_vive_tracker_extension.h
new file mode 100644
index 0000000000..7670bc074b
--- /dev/null
+++ b/modules/openxr/extensions/openxr_htc_vive_tracker_extension.h
@@ -0,0 +1,52 @@
+/*************************************************************************/
+/*  openxr_htc_vive_tracker_extension.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_HTC_VIVE_TRACKER_EXTENSION_H
+#define OPENXR_HTC_VIVE_TRACKER_EXTENSION_H
+
+#include "openxr_extension_wrapper.h"
+
+class OpenXRHTCViveTrackerExtension : public OpenXRExtensionWrapper {
+public:
+	static OpenXRHTCViveTrackerExtension *get_singleton();
+
+	OpenXRHTCViveTrackerExtension(OpenXRAPI *p_openxr_api);
+	virtual ~OpenXRHTCViveTrackerExtension() override;
+
+	bool is_available();
+	virtual bool on_event_polled(const XrEventDataBuffer &event) override;
+
+private:
+	static OpenXRHTCViveTrackerExtension *singleton;
+
+	bool available = false;
+};
+
+#endif // !OPENXR_HTC_VIVE_TRACKER_EXTENSION_H