Use libdatachannel library, add Godot 4 support.

1 files changed, 72 insertions, 0 deletions

diff --git a/src/init_gdextension.cpp b/src/init_gdextension.cpp
new file mode 100644
index 0000000..c923881
--- /dev/null
+++ b/src/init_gdextension.cpp
@@ -0,0 +1,72 @@
+/*************************************************************************/
+/*  init_gdextension.cpp                                                 */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 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 <godot/gdnative_interface.h>
+
+#include <godot_cpp/core/class_db.hpp>
+#include <godot_cpp/core/defs.hpp>
+#include <godot_cpp/godot.hpp>
+
+#include "WebRTCLibDataChannel.hpp"
+#include "WebRTCLibPeerConnection.hpp"
+
+using namespace godot;
+using namespace godot_webrtc;
+
+void register_webrtc_extension_types(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
+
+	WebRTCLibPeerConnection::initialize_signaling();
+	godot::ClassDB::register_class<WebRTCLibDataChannel>();
+	godot::ClassDB::register_class<WebRTCLibPeerConnection>();
+	WebRTCPeerConnection::set_default_extension("WebRTCLibPeerConnection");
+}
+
+void unregister_webrtc_extension_types(ModuleInitializationLevel p_level) {
+	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
+		return;
+	}
+
+	WebRTCLibPeerConnection::deinitialize_signaling();
+}
+
+extern "C" {
+GDNativeBool GDN_EXPORT webrtc_extension_init(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization) {
+	GDExtensionBinding::InitObject init_obj(p_interface, p_library, r_initialization);
+
+	init_obj.register_initializer(register_webrtc_extension_types);
+	init_obj.register_terminator(unregister_webrtc_extension_types);
+	init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
+
+	return init_obj.init();
+}
+}