diff options
Diffstat (limited to 'src/init_gdnative.cpp')
| -rw-r--r-- | src/init_gdnative.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/init_gdnative.cpp b/src/init_gdnative.cpp new file mode 100644 index 0000000..77669af --- /dev/null +++ b/src/init_gdnative.cpp @@ -0,0 +1,135 @@ +/*************************************************************************/ +/* init_gdnative.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 "WebRTCLibDataChannel.hpp" +#include "WebRTCLibPeerConnection.hpp" +#include "net/WebRTCPeerConnectionNative.hpp" +#include <gdnative_api_struct.gen.h> +#include <net/godot_net.h> + +/* Singleton */ +static bool _singleton = false; +static const godot_object *_singleton_lib = NULL; +static const godot_gdnative_core_api_struct *_singleton_api = NULL; +static godot_class_constructor _create_ns_cb = NULL; +static godot_method_bind *_set_script_mb = NULL; +static godot_method_bind *_set_class_name_mb = NULL; +static godot_method_bind *_set_library_mb = NULL; + +void unregistered() { + _singleton = false; // We are no longer the active singleton +} + +godot_error create_peer_connection_wp(godot_object *out) { + ERR_FAIL_COND_V(!_singleton, GODOT_FAILED); + // Create Script + godot_object *script = _create_ns_cb(); + ERR_FAIL_COND_V(!script, GODOT_FAILED); + + const void *args[] = { (void *)_singleton_lib }; + _singleton_api->godot_method_bind_ptrcall(_set_library_mb, script, args, nullptr); + + godot_string s; + _singleton_api->godot_string_new(&s); + _singleton_api->godot_string_parse_utf8(&s, "WebRTCLibPeerConnection"); + const void *args2[] = { (void *)&s }; + _singleton_api->godot_method_bind_ptrcall(_set_class_name_mb, script, args2, nullptr); + _singleton_api->godot_string_destroy(&s); + + // Bind script to Object + const void *args3[] = { (void *)script }; + _singleton_api->godot_method_bind_ptrcall(_set_script_mb, out, args3, nullptr); + + return GODOT_OK; +} + +godot_net_webrtc_library library = { + { 3, 2 }, + &unregistered, + &create_peer_connection_wp, + NULL, +}; + +extern "C" void GDN_EXPORT godot_gdnative_singleton() { + if (godot::WebRTCPeerConnectionNative::_net_api) { + ERR_FAIL_COND(!godot::gdnlib); + _singleton_lib = godot::gdnlib; + ERR_FAIL_COND(!godot::api); + _singleton_api = godot::api; + _create_ns_cb = godot::api->godot_get_class_constructor("NativeScript"); + ERR_FAIL_COND(!_create_ns_cb); + _set_script_mb = godot::api->godot_method_bind_get_method("Object", "set_script"); + ERR_FAIL_COND(!_set_script_mb); + _set_class_name_mb = godot::api->godot_method_bind_get_method("NativeScript", "set_class_name"); + ERR_FAIL_COND(!_set_class_name_mb); + _set_library_mb = godot::api->godot_method_bind_get_method("NativeScript", "set_library"); + ERR_FAIL_COND(!_set_library_mb); + // If registration is successful _singleton will be set to true + _singleton = godot::WebRTCPeerConnectionNative::_net_api->godot_net_set_webrtc_library(&library) == GODOT_OK; + if (!_singleton) + ERR_PRINT("Failed initializing webrtc singleton library"); + } +} + +/* Godot export stuff */ +extern "C" void GDN_EXPORT godot_gdnative_init(godot_gdnative_init_options *o) { + const godot_gdnative_core_api_struct *api = o->api_struct; + for (int i = 0; i < api->num_extensions; i++) { + if (api->extensions[i]->type != GDNATIVE_EXT_NET) + continue; + + const godot_gdnative_ext_net_api_struct *net_api = (godot_gdnative_ext_net_api_struct *)api->extensions[i]; + + if (!net_api->next) + break; + + if (net_api->next->version.major == 3 && net_api->next->version.minor == 2) { + godot::WebRTCPeerConnectionNative::_net_api = (const godot_gdnative_ext_net_3_2_api_struct *)net_api->next; + } + } + + godot_webrtc::WebRTCLibPeerConnection::initialize_signaling(); + godot::Godot::gdnative_init(o); +} + +extern "C" void GDN_EXPORT godot_gdnative_terminate(godot_gdnative_terminate_options *o) { + if (_singleton) { // If we are the active singleton, unregister + godot::WebRTCPeerConnectionNative::_net_api->godot_net_set_webrtc_library(NULL); + } + godot_webrtc::WebRTCLibPeerConnection::deinitialize_signaling(); + godot::Godot::gdnative_terminate(o); +} + +extern "C" void GDN_EXPORT godot_nativescript_init(void *handle) { + godot::Godot::nativescript_init(handle); + + godot::register_class<godot_webrtc::WebRTCLibPeerConnection>(); + godot::register_class<godot_webrtc::WebRTCLibDataChannel>(); +} |