diff options
Diffstat (limited to 'scene/main/multiplayer_peer.cpp')
| -rw-r--r-- | scene/main/multiplayer_peer.cpp | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/scene/main/multiplayer_peer.cpp b/scene/main/multiplayer_peer.cpp new file mode 100644 index 0000000000..aad5baccab --- /dev/null +++ b/scene/main/multiplayer_peer.cpp @@ -0,0 +1,303 @@ +/*************************************************************************/ +/* multiplayer_peer.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 "multiplayer_peer.h" + +#include "core/os/os.h" + +uint32_t MultiplayerPeer::generate_unique_id() const { + uint32_t hash = 0; + + while (hash == 0 || hash == 1) { + hash = hash_murmur3_one_32( + (uint32_t)OS::get_singleton()->get_ticks_usec()); + hash = hash_murmur3_one_32( + (uint32_t)OS::get_singleton()->get_unix_time(), hash); + hash = hash_murmur3_one_32( + (uint32_t)OS::get_singleton()->get_user_data_dir().hash64(), hash); + hash = hash_murmur3_one_32( + (uint32_t)((uint64_t)this), hash); // Rely on ASLR heap + hash = hash_murmur3_one_32( + (uint32_t)((uint64_t)&hash), hash); // Rely on ASLR stack + + hash = hash_fmix32(hash); + hash = hash & 0x7FFFFFFF; // Make it compatible with unsigned, since negative ID is used for exclusion + } + + return hash; +} + +void MultiplayerPeer::set_transfer_channel(int p_channel) { + transfer_channel = p_channel; +} + +int MultiplayerPeer::get_transfer_channel() const { + return transfer_channel; +} + +void MultiplayerPeer::set_transfer_mode(TransferMode p_mode) { + transfer_mode = p_mode; +} + +MultiplayerPeer::TransferMode MultiplayerPeer::get_transfer_mode() const { + return transfer_mode; +} + +void MultiplayerPeer::set_refuse_new_connections(bool p_enable) { + refuse_connections = p_enable; +} + +bool MultiplayerPeer::is_refusing_new_connections() const { + return refuse_connections; +} + +void MultiplayerPeer::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_transfer_channel", "channel"), &MultiplayerPeer::set_transfer_channel); + ClassDB::bind_method(D_METHOD("get_transfer_channel"), &MultiplayerPeer::get_transfer_channel); + ClassDB::bind_method(D_METHOD("set_transfer_mode", "mode"), &MultiplayerPeer::set_transfer_mode); + ClassDB::bind_method(D_METHOD("get_transfer_mode"), &MultiplayerPeer::get_transfer_mode); + ClassDB::bind_method(D_METHOD("set_target_peer", "id"), &MultiplayerPeer::set_target_peer); + + ClassDB::bind_method(D_METHOD("get_packet_peer"), &MultiplayerPeer::get_packet_peer); + + ClassDB::bind_method(D_METHOD("poll"), &MultiplayerPeer::poll); + + ClassDB::bind_method(D_METHOD("get_connection_status"), &MultiplayerPeer::get_connection_status); + ClassDB::bind_method(D_METHOD("get_unique_id"), &MultiplayerPeer::get_unique_id); + ClassDB::bind_method(D_METHOD("generate_unique_id"), &MultiplayerPeer::generate_unique_id); + + ClassDB::bind_method(D_METHOD("set_refuse_new_connections", "enable"), &MultiplayerPeer::set_refuse_new_connections); + ClassDB::bind_method(D_METHOD("is_refusing_new_connections"), &MultiplayerPeer::is_refusing_new_connections); + + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "refuse_new_connections"), "set_refuse_new_connections", "is_refusing_new_connections"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "transfer_mode", PROPERTY_HINT_ENUM, "Unreliable,Unreliable Ordered,Reliable"), "set_transfer_mode", "get_transfer_mode"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "transfer_channel", PROPERTY_HINT_RANGE, "0,255,1"), "set_transfer_channel", "get_transfer_channel"); + + BIND_ENUM_CONSTANT(CONNECTION_DISCONNECTED); + BIND_ENUM_CONSTANT(CONNECTION_CONNECTING); + BIND_ENUM_CONSTANT(CONNECTION_CONNECTED); + + BIND_CONSTANT(TARGET_PEER_BROADCAST); + BIND_CONSTANT(TARGET_PEER_SERVER); + + BIND_ENUM_CONSTANT(TRANSFER_MODE_UNRELIABLE); + BIND_ENUM_CONSTANT(TRANSFER_MODE_UNRELIABLE_ORDERED); + BIND_ENUM_CONSTANT(TRANSFER_MODE_RELIABLE); + + ADD_SIGNAL(MethodInfo("peer_connected", PropertyInfo(Variant::INT, "id"))); + ADD_SIGNAL(MethodInfo("peer_disconnected", PropertyInfo(Variant::INT, "id"))); + ADD_SIGNAL(MethodInfo("server_disconnected")); + ADD_SIGNAL(MethodInfo("connection_succeeded")); + ADD_SIGNAL(MethodInfo("connection_failed")); +} + +/*************/ + +int MultiplayerPeerExtension::get_available_packet_count() const { + int count; + if (GDVIRTUAL_CALL(_get_available_packet_count, count)) { + return count; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_available_packet_count is unimplemented!"); + return -1; +} + +Error MultiplayerPeerExtension::get_packet(const uint8_t **r_buffer, int &r_buffer_size) { + int err; + if (GDVIRTUAL_CALL(_get_packet, r_buffer, &r_buffer_size, err)) { + return (Error)err; + } + if (GDVIRTUAL_IS_OVERRIDDEN(_get_packet_script)) { + if (!GDVIRTUAL_CALL(_get_packet_script, script_buffer)) { + return FAILED; + } + + if (script_buffer.size() == 0) { + return Error::ERR_UNAVAILABLE; + } + + *r_buffer = script_buffer.ptr(); + r_buffer_size = script_buffer.size(); + + return Error::OK; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_packet_native is unimplemented!"); + return FAILED; +} + +Error MultiplayerPeerExtension::put_packet(const uint8_t *p_buffer, int p_buffer_size) { + int err; + if (GDVIRTUAL_CALL(_put_packet, p_buffer, p_buffer_size, err)) { + return (Error)err; + } + if (GDVIRTUAL_IS_OVERRIDDEN(_put_packet_script)) { + PackedByteArray a; + a.resize(p_buffer_size); + memcpy(a.ptrw(), p_buffer, p_buffer_size); + + if (!GDVIRTUAL_CALL(_put_packet_script, a, err)) { + return FAILED; + } + return (Error)err; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_put_packet_native is unimplemented!"); + return FAILED; +} + +int MultiplayerPeerExtension::get_max_packet_size() const { + int size; + if (GDVIRTUAL_CALL(_get_max_packet_size, size)) { + return size; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_max_packet_size is unimplemented!"); + return 0; +} + +void MultiplayerPeerExtension::set_transfer_channel(int p_channel) { + if (GDVIRTUAL_CALL(_set_transfer_channel, p_channel)) { + return; + } + MultiplayerPeer::set_transfer_channel(p_channel); +} + +int MultiplayerPeerExtension::get_transfer_channel() const { + int channel; + if (GDVIRTUAL_CALL(_get_transfer_channel, channel)) { + return channel; + } + return MultiplayerPeer::get_transfer_channel(); +} + +void MultiplayerPeerExtension::set_transfer_mode(TransferMode p_mode) { + if (GDVIRTUAL_CALL(_set_transfer_mode, p_mode)) { + return; + } + MultiplayerPeer::set_transfer_mode(p_mode); +} + +MultiplayerPeer::TransferMode MultiplayerPeerExtension::get_transfer_mode() const { + int mode; + if (GDVIRTUAL_CALL(_get_transfer_mode, mode)) { + return (MultiplayerPeer::TransferMode)mode; + } + return MultiplayerPeer::get_transfer_mode(); +} + +void MultiplayerPeerExtension::set_target_peer(int p_peer_id) { + if (GDVIRTUAL_CALL(_set_target_peer, p_peer_id)) { + return; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_set_target_peer is unimplemented!"); +} + +int MultiplayerPeerExtension::get_packet_peer() const { + int peer; + if (GDVIRTUAL_CALL(_get_packet_peer, peer)) { + return peer; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_packet_peer is unimplemented!"); + return 0; +} + +bool MultiplayerPeerExtension::is_server() const { + bool server; + if (GDVIRTUAL_CALL(_is_server, server)) { + return server; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_is_server is unimplemented!"); + return false; +} + +void MultiplayerPeerExtension::poll() { + int err; + if (GDVIRTUAL_CALL(_poll, err)) { + return; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_poll is unimplemented!"); +} + +int MultiplayerPeerExtension::get_unique_id() const { + int id; + if (GDVIRTUAL_CALL(_get_unique_id, id)) { + return id; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_unique_id is unimplemented!"); + return 0; +} + +void MultiplayerPeerExtension::set_refuse_new_connections(bool p_enable) { + if (GDVIRTUAL_CALL(_set_refuse_new_connections, p_enable)) { + return; + } + MultiplayerPeer::set_refuse_new_connections(p_enable); +} + +bool MultiplayerPeerExtension::is_refusing_new_connections() const { + bool refusing; + if (GDVIRTUAL_CALL(_is_refusing_new_connections, refusing)) { + return refusing; + } + return MultiplayerPeer::is_refusing_new_connections(); +} + +MultiplayerPeer::ConnectionStatus MultiplayerPeerExtension::get_connection_status() const { + int status; + if (GDVIRTUAL_CALL(_get_connection_status, status)) { + return (ConnectionStatus)status; + } + WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_connection_status is unimplemented!"); + return CONNECTION_DISCONNECTED; +} + +void MultiplayerPeerExtension::_bind_methods() { + GDVIRTUAL_BIND(_get_packet, "r_buffer", "r_buffer_size"); + GDVIRTUAL_BIND(_put_packet, "p_buffer", "p_buffer_size"); + GDVIRTUAL_BIND(_get_available_packet_count); + GDVIRTUAL_BIND(_get_max_packet_size); + + GDVIRTUAL_BIND(_get_packet_script) + GDVIRTUAL_BIND(_put_packet_script, "p_buffer"); + + GDVIRTUAL_BIND(_set_transfer_channel, "p_channel"); + GDVIRTUAL_BIND(_get_transfer_channel); + + GDVIRTUAL_BIND(_set_transfer_mode, "p_mode"); + GDVIRTUAL_BIND(_get_transfer_mode); + + GDVIRTUAL_BIND(_set_target_peer, "p_peer"); + + GDVIRTUAL_BIND(_get_packet_peer); + GDVIRTUAL_BIND(_is_server); + GDVIRTUAL_BIND(_poll); + GDVIRTUAL_BIND(_get_unique_id); + GDVIRTUAL_BIND(_set_refuse_new_connections, "p_enable"); + GDVIRTUAL_BIND(_is_refusing_new_connections); + GDVIRTUAL_BIND(_get_connection_status); +} |