e2083871eb
The API is implemented in javascript, and generates C functions that can be called from godot. This allows much cleaner code replacing all `EM_ASM` calls in our C++ code with plain C function calls. This also gets rid of few hacks and comes with few optimizations (e.g. custom cursor shapes should be much faster now).
140 lines
5.7 KiB
C++
140 lines
5.7 KiB
C++
/*************************************************************************/
|
|
/* webrtc_peer_connection_js.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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. */
|
|
/*************************************************************************/
|
|
|
|
#ifdef JAVASCRIPT_ENABLED
|
|
|
|
#include "webrtc_peer_connection_js.h"
|
|
|
|
#include "webrtc_data_channel_js.h"
|
|
|
|
#include "core/io/json.h"
|
|
#include "emscripten.h"
|
|
|
|
void WebRTCPeerConnectionJS::_on_ice_candidate(void *p_obj, const char *p_mid_name, int p_mline_idx, const char *p_candidate) {
|
|
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
|
|
peer->emit_signal("ice_candidate_created", String(p_mid_name), p_mline_idx, String(p_candidate));
|
|
}
|
|
|
|
void WebRTCPeerConnectionJS::_on_session_created(void *p_obj, const char *p_type, const char *p_session) {
|
|
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
|
|
peer->emit_signal("session_description_created", String(p_type), String(p_session));
|
|
}
|
|
|
|
void WebRTCPeerConnectionJS::_on_connection_state_changed(void *p_obj, int p_state) {
|
|
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
|
|
peer->_conn_state = (ConnectionState)p_state;
|
|
}
|
|
|
|
void WebRTCPeerConnectionJS::_on_error(void *p_obj) {
|
|
ERR_PRINT("RTCPeerConnection error!");
|
|
}
|
|
|
|
void WebRTCPeerConnectionJS::_on_data_channel(void *p_obj, int p_id) {
|
|
WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
|
|
peer->emit_signal("data_channel_received", Ref<WebRTCDataChannelJS>(new WebRTCDataChannelJS(p_id)));
|
|
}
|
|
|
|
void WebRTCPeerConnectionJS::close() {
|
|
godot_js_rtc_pc_close(_js_id);
|
|
_conn_state = STATE_CLOSED;
|
|
}
|
|
|
|
Error WebRTCPeerConnectionJS::create_offer() {
|
|
ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
|
|
|
|
_conn_state = STATE_CONNECTING;
|
|
godot_js_rtc_pc_offer_create(_js_id, this, &_on_session_created, &_on_error);
|
|
return OK;
|
|
}
|
|
|
|
Error WebRTCPeerConnectionJS::set_local_description(String type, String sdp) {
|
|
godot_js_rtc_pc_local_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_error);
|
|
return OK;
|
|
}
|
|
|
|
Error WebRTCPeerConnectionJS::set_remote_description(String type, String sdp) {
|
|
if (type == "offer") {
|
|
ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
|
|
_conn_state = STATE_CONNECTING;
|
|
}
|
|
godot_js_rtc_pc_remote_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_session_created, &_on_error);
|
|
return OK;
|
|
}
|
|
|
|
Error WebRTCPeerConnectionJS::add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) {
|
|
godot_js_rtc_pc_ice_candidate_add(_js_id, sdpMidName.utf8().get_data(), sdpMlineIndexName, sdpName.utf8().get_data());
|
|
return OK;
|
|
}
|
|
|
|
Error WebRTCPeerConnectionJS::initialize(Dictionary p_config) {
|
|
if (_js_id) {
|
|
godot_js_rtc_pc_destroy(_js_id);
|
|
_js_id = 0;
|
|
}
|
|
_conn_state = STATE_NEW;
|
|
|
|
String config = JSON::print(p_config);
|
|
_js_id = godot_js_rtc_pc_create(config.utf8().get_data(), this, &_on_connection_state_changed, &_on_ice_candidate, &_on_data_channel);
|
|
return _js_id ? OK : FAILED;
|
|
}
|
|
|
|
Ref<WebRTCDataChannel> WebRTCPeerConnectionJS::create_data_channel(String p_channel, Dictionary p_channel_config) {
|
|
ERR_FAIL_COND_V(_conn_state != STATE_NEW, nullptr);
|
|
|
|
String config = JSON::print(p_channel_config);
|
|
int id = godot_js_rtc_pc_datachannel_create(_js_id, p_channel.utf8().get_data(), config.utf8().get_data());
|
|
ERR_FAIL_COND_V(id == 0, nullptr);
|
|
return memnew(WebRTCDataChannelJS(id));
|
|
}
|
|
|
|
Error WebRTCPeerConnectionJS::poll() {
|
|
return OK;
|
|
}
|
|
|
|
WebRTCPeerConnection::ConnectionState WebRTCPeerConnectionJS::get_connection_state() const {
|
|
return _conn_state;
|
|
}
|
|
|
|
WebRTCPeerConnectionJS::WebRTCPeerConnectionJS() {
|
|
_conn_state = STATE_NEW;
|
|
_js_id = 0;
|
|
|
|
Dictionary config;
|
|
initialize(config);
|
|
}
|
|
|
|
WebRTCPeerConnectionJS::~WebRTCPeerConnectionJS() {
|
|
close();
|
|
if (_js_id) {
|
|
godot_js_rtc_pc_destroy(_js_id);
|
|
_js_id = 0;
|
|
}
|
|
};
|
|
#endif
|