From ca1d12b6b6f65e6339845e09865c752ec73b3dde Mon Sep 17 00:00:00 2001
From: Relintai <relintai@protonmail.com>
Date: Sun, 20 Mar 2022 08:43:41 +0100
Subject: [PATCH] Made WebrctPeerConnection instantiable by it's own.

---
 modules/webrtc/register_types.cpp         |  2 ++
 modules/webrtc/webrtc_peer_connection.cpp | 32 +++++++++++++++++++++++
 modules/webrtc/webrtc_peer_connection.h   | 24 ++++++++++-------
 3 files changed, 48 insertions(+), 10 deletions(-)

diff --git a/modules/webrtc/register_types.cpp b/modules/webrtc/register_types.cpp
index b74eb192d..c65960f26 100644
--- a/modules/webrtc/register_types.cpp
+++ b/modules/webrtc/register_types.cpp
@@ -49,6 +49,8 @@ void register_webrtc_types() {
 
 #ifdef JAVASCRIPT_ENABLED
 	WebRTCPeerConnectionJS::make_default();
+#else
+	WebRTCPeerConnection::make_default();
 #endif
 
 	ClassDB::register_custom_instance_class<WebRTCPeerConnection>();
diff --git a/modules/webrtc/webrtc_peer_connection.cpp b/modules/webrtc/webrtc_peer_connection.cpp
index f69059ddc..563869610 100644
--- a/modules/webrtc/webrtc_peer_connection.cpp
+++ b/modules/webrtc/webrtc_peer_connection.cpp
@@ -43,6 +43,38 @@ WebRTCPeerConnection *WebRTCPeerConnection::create() {
 	return _create();
 }
 
+WebRTCPeerConnection *WebRTCPeerConnection::_create_func() {
+	return memnew(WebRTCPeerConnection);
+}
+
+WebRTCPeerConnection::ConnectionState WebRTCPeerConnection::get_connection_state() const {
+	return WebRTCPeerConnection::STATE_FAILED;
+}
+Error WebRTCPeerConnection::initialize(Dictionary p_config) {
+	ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+Ref<WebRTCDataChannel> WebRTCPeerConnection::create_data_channel(String p_label, Dictionary p_options) {
+	ERR_FAIL_V(Ref<WebRTCDataChannel>());
+}
+Error WebRTCPeerConnection::create_offer() {
+	ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+Error WebRTCPeerConnection::set_remote_description(String type, String sdp) {
+	ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+Error WebRTCPeerConnection::set_local_description(String type, String sdp) {
+	ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+Error WebRTCPeerConnection::add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) {
+	ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+Error WebRTCPeerConnection::poll() {
+	ERR_FAIL_V(ERR_UNAVAILABLE);
+}
+void WebRTCPeerConnection::close() {
+	ERR_FAIL();
+}
+
 void WebRTCPeerConnection::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("initialize", "configuration"), &WebRTCPeerConnection::initialize, DEFVAL(Dictionary()));
 	ClassDB::bind_method(D_METHOD("create_data_channel", "label", "options"), &WebRTCPeerConnection::create_data_channel, DEFVAL(Dictionary()));
diff --git a/modules/webrtc/webrtc_peer_connection.h b/modules/webrtc/webrtc_peer_connection.h
index ac18309a6..423581543 100644
--- a/modules/webrtc/webrtc_peer_connection.h
+++ b/modules/webrtc/webrtc_peer_connection.h
@@ -50,17 +50,21 @@ protected:
 	static void _bind_methods();
 	static WebRTCPeerConnection *(*_create)();
 
-public:
-	virtual ConnectionState get_connection_state() const = 0;
+	static WebRTCPeerConnection *_create_func();
 
-	virtual Error initialize(Dictionary p_config = Dictionary()) = 0;
-	virtual Ref<WebRTCDataChannel> create_data_channel(String p_label, Dictionary p_options = Dictionary()) = 0;
-	virtual Error create_offer() = 0;
-	virtual Error set_remote_description(String type, String sdp) = 0;
-	virtual Error set_local_description(String type, String sdp) = 0;
-	virtual Error add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) = 0;
-	virtual Error poll() = 0;
-	virtual void close() = 0;
+public:
+	static void make_default() { WebRTCPeerConnection::_create = WebRTCPeerConnection::_create_func; }
+
+	virtual ConnectionState get_connection_state() const;
+
+	virtual Error initialize(Dictionary p_config = Dictionary());
+	virtual Ref<WebRTCDataChannel> create_data_channel(String p_label, Dictionary p_options = Dictionary());
+	virtual Error create_offer();
+	virtual Error set_remote_description(String type, String sdp);
+	virtual Error set_local_description(String type, String sdp);
+	virtual Error add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName);
+	virtual Error poll();
+	virtual void close();
 
 	static Ref<WebRTCPeerConnection> create_ref();
 	static WebRTCPeerConnection *create();