diff options
Diffstat (limited to 'modules/websocket/websocket_multiplayer_peer.cpp')
| -rw-r--r-- | modules/websocket/websocket_multiplayer_peer.cpp | 83 |
1 files changed, 32 insertions, 51 deletions
diff --git a/modules/websocket/websocket_multiplayer_peer.cpp b/modules/websocket/websocket_multiplayer_peer.cpp index fa2fe891a5..163cc7706b 100644 --- a/modules/websocket/websocket_multiplayer_peer.cpp +++ b/modules/websocket/websocket_multiplayer_peer.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* 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 */ @@ -33,50 +33,21 @@ #include "core/os/os.h" WebSocketMultiplayerPeer::WebSocketMultiplayerPeer() { - _is_multiplayer = false; - _peer_id = 0; - _target_peer = 0; - _refusing = false; - - _current_packet.source = 0; - _current_packet.destination = 0; - _current_packet.size = 0; - _current_packet.data = nullptr; } WebSocketMultiplayerPeer::~WebSocketMultiplayerPeer() { _clear(); } -int WebSocketMultiplayerPeer::_gen_unique_id() const { - uint32_t hash = 0; - - while (hash == 0 || hash == 1) { - hash = hash_djb2_one_32( - (uint32_t)OS::get_singleton()->get_ticks_usec()); - hash = hash_djb2_one_32( - (uint32_t)OS::get_singleton()->get_unix_time(), hash); - hash = hash_djb2_one_32( - (uint32_t)OS::get_singleton()->get_data_path().hash64(), hash); - hash = hash_djb2_one_32( - (uint32_t)((uint64_t)this), hash); //rely on aslr heap - hash = hash_djb2_one_32( - (uint32_t)((uint64_t)&hash), hash); //rely on aslr stack - hash = hash & 0x7FFFFFFF; // make it compatible with unsigned, since negatie id is used for exclusion - } - - return hash; -} - void WebSocketMultiplayerPeer::_clear() { _peer_map.clear(); if (_current_packet.data != nullptr) { memfree(_current_packet.data); } - for (List<Packet>::Element *E = _incoming_packets.front(); E; E = E->next()) { - memfree(E->get().data); - E->get().data = nullptr; + for (Packet &E : _incoming_packets) { + memfree(E.data); + E.data = nullptr; } _incoming_packets.clear(); @@ -108,6 +79,8 @@ Error WebSocketMultiplayerPeer::get_packet(const uint8_t **r_buffer, int &r_buff _current_packet.data = nullptr; } + ERR_FAIL_COND_V(_incoming_packets.size() == 0, ERR_UNAVAILABLE); + _current_packet = _incoming_packets.front()->get(); _incoming_packets.pop_front(); @@ -130,13 +103,21 @@ Error WebSocketMultiplayerPeer::put_packet(const uint8_t *p_buffer, int p_buffer } // -// NetworkedMultiplayerPeer +// MultiplayerPeer // +void WebSocketMultiplayerPeer::set_transfer_channel(int p_channel) { + // Websocket does not have channels. +} + +int WebSocketMultiplayerPeer::get_transfer_channel() const { + return 0; +} + void WebSocketMultiplayerPeer::set_transfer_mode(TransferMode p_mode) { // Websocket uses TCP, reliable } -NetworkedMultiplayerPeer::TransferMode WebSocketMultiplayerPeer::get_transfer_mode() const { +MultiplayerPeer::TransferMode WebSocketMultiplayerPeer::get_transfer_mode() const { // Websocket uses TCP, reliable return TRANSFER_MODE_RELIABLE; } @@ -177,10 +158,10 @@ Vector<uint8_t> WebSocketMultiplayerPeer::_make_pkt(uint8_t p_type, int32_t p_fr out.resize(PROTO_SIZE + p_data_size); uint8_t *w = out.ptrw(); - copymem(&w[0], &p_type, 1); - copymem(&w[1], &p_from, 4); - copymem(&w[5], &p_to, 4); - copymem(&w[PROTO_SIZE], p_data, p_data_size); + memcpy(&w[0], &p_type, 1); + memcpy(&w[1], &p_from, 4); + memcpy(&w[5], &p_to, 4); + memcpy(&w[PROTO_SIZE], p_data, p_data_size); return out; } @@ -195,7 +176,7 @@ void WebSocketMultiplayerPeer::_send_add(int32_t p_peer_id) { for (Map<int, Ref<WebSocketPeer>>::Element *E = _peer_map.front(); E; E = E->next()) { int32_t id = E->key(); if (p_peer_id == id) { - continue; // Skip the newwly added peer (already confirmed) + continue; // Skip the newly added peer (already confirmed) } // Send new peer to others @@ -220,9 +201,9 @@ void WebSocketMultiplayerPeer::_store_pkt(int32_t p_source, int32_t p_dest, cons packet.size = p_data_size; packet.source = p_source; packet.destination = p_dest; - copymem(packet.data, &p_data[PROTO_SIZE], p_data_size); + memcpy(packet.data, &p_data[PROTO_SIZE], p_data_size); _incoming_packets.push_back(packet); - emit_signal("peer_packet", p_source); + emit_signal(SNAME("peer_packet"), p_source); } Error WebSocketMultiplayerPeer::_server_relay(int32_t p_from, int32_t p_to, const uint8_t *p_buffer, uint32_t p_buffer_size) { @@ -272,9 +253,9 @@ void WebSocketMultiplayerPeer::_process_multiplayer(Ref<WebSocketPeer> p_peer, u uint8_t type = 0; uint32_t from = 0; int32_t to = 0; - copymem(&type, in_buffer, 1); - copymem(&from, &in_buffer[1], 4); - copymem(&to, &in_buffer[5], 4); + memcpy(&type, in_buffer, 1); + memcpy(&from, &in_buffer[1], 4); + memcpy(&to, &in_buffer[5], 4); if (is_server()) { // Server can resend @@ -308,22 +289,22 @@ void WebSocketMultiplayerPeer::_process_multiplayer(Ref<WebSocketPeer> p_peer, u // System message ERR_FAIL_COND(data_size < 4); int id = 0; - copymem(&id, &in_buffer[PROTO_SIZE], 4); + memcpy(&id, &in_buffer[PROTO_SIZE], 4); switch (type) { case SYS_ADD: // Add peer _peer_map[id] = Ref<WebSocketPeer>(); - emit_signal("peer_connected", id); + emit_signal(SNAME("peer_connected"), id); if (id == 1) { // We just connected to the server - emit_signal("connection_succeeded"); + emit_signal(SNAME("connection_succeeded")); } break; case SYS_DEL: // Remove peer _peer_map.erase(id); - emit_signal("peer_disconnected", id); + emit_signal(SNAME("peer_disconnected"), id); break; - case SYS_ID: // Helo, server assigned ID + case SYS_ID: // Hello, server assigned ID _peer_id = id; break; default: |