/*************************************************************************/ /* 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; HashMap<int, Ref<ENetConnection>> hosts; HashMap<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