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Diffstat (limited to 'modules/enet/enet_multiplayer_peer.h')
| -rw-r--r-- | modules/enet/enet_multiplayer_peer.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/modules/enet/enet_multiplayer_peer.h b/modules/enet/enet_multiplayer_peer.h new file mode 100644 index 0000000000..e7b61169fb --- /dev/null +++ b/modules/enet/enet_multiplayer_peer.h @@ -0,0 +1,138 @@ +/*************************************************************************/ +/* enet_multiplayer_peer.h */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#ifndef NETWORKED_MULTIPLAYER_ENET_H +#define NETWORKED_MULTIPLAYER_ENET_H + +#include "core/crypto/crypto.h" +#include "core/multiplayer/multiplayer_peer.h" + +#include "enet_connection.h" +#include <enet/enet.h> + +class ENetMultiplayerPeer : public MultiplayerPeer { + GDCLASS(ENetMultiplayerPeer, MultiplayerPeer); + +private: + enum { + SYSMSG_ADD_PEER, + SYSMSG_REMOVE_PEER + }; + + enum { + SYSCH_CONFIG = 0, + SYSCH_RELIABLE = 1, + SYSCH_UNRELIABLE = 2, + SYSCH_MAX = 3 + }; + + enum Mode { + MODE_NONE, + MODE_SERVER, + MODE_CLIENT, + MODE_MESH, + }; + + Mode active_mode = MODE_NONE; + + uint32_t unique_id = 0; + + int target_peer = 0; + + bool server_relay = true; + + ConnectionStatus connection_status = CONNECTION_DISCONNECTED; + + Map<int, Ref<ENetConnection>> hosts; + Map<int, Ref<ENetPacketPeer>> peers; + + struct Packet { + ENetPacket *packet = nullptr; + int from = 0; + int channel = 0; + }; + + List<Packet> incoming_packets; + + Packet current_packet; + + void _pop_current_packet(); + bool _parse_server_event(ENetConnection::EventType p_event_type, ENetConnection::Event &p_event); + bool _parse_client_event(ENetConnection::EventType p_event_type, ENetConnection::Event &p_event); + bool _parse_mesh_event(ENetConnection::EventType p_event_type, ENetConnection::Event &p_event, int p_peer_id); + void _relay(int p_from, int p_to, enet_uint8 p_channel, ENetPacket *p_packet); + void _notify_peers(int p_id, bool p_connected); + void _destroy_unused(ENetPacket *p_packet); + _FORCE_INLINE_ bool _is_active() const { return active_mode != MODE_NONE; } + + IPAddress bind_ip; + +protected: + static void _bind_methods(); + +public: + virtual void set_target_peer(int p_peer) override; + virtual int get_packet_peer() const override; + + virtual void poll() override; + virtual bool is_server() const override; + // Overridden so we can instrument the DTLSServer when needed. + virtual void set_refuse_new_connections(bool p_enabled) override; + + virtual ConnectionStatus get_connection_status() const override; + + virtual int get_unique_id() const override; + + virtual int get_max_packet_size() const override; + virtual int get_available_packet_count() const override; + virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size) override; + virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size) override; + + Error create_server(int p_port, int p_max_clients = 32, int p_max_channels = 0, int p_in_bandwidth = 0, int p_out_bandwidth = 0); + Error create_client(const String &p_address, int p_port, int p_channel_count = 0, int p_in_bandwidth = 0, int p_out_bandwidth = 0, int p_local_port = 0); + Error create_mesh(int p_id); + Error add_mesh_peer(int p_id, Ref<ENetConnection> p_host); + + void close_connection(uint32_t wait_usec = 100); + + void disconnect_peer(int p_peer, bool now = false); + + void set_bind_ip(const IPAddress &p_ip); + void set_server_relay_enabled(bool p_enabled); + bool is_server_relay_enabled() const; + + Ref<ENetConnection> get_host() const; + Ref<ENetPacketPeer> get_peer(int p_id) const; + + ENetMultiplayerPeer(); + ~ENetMultiplayerPeer(); +}; + +#endif // NETWORKED_MULTIPLAYER_ENET_H |