initial commit, 4.5 stable

modules/enet/enet_multiplayer_peer.h

@@ -0,0 +1,133 @@
+/**************************************************************************/
+/*  enet_multiplayer_peer.h                                               */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "enet_connection.h"
+
+#include "core/crypto/crypto.h"
+#include "scene/main/multiplayer_peer.h"
+
+#include <enet/enet.h>
+
+class ENetMultiplayerPeer : public MultiplayerPeer {
+	GDCLASS(ENetMultiplayerPeer, MultiplayerPeer);
+
+private:
+	enum {
+		SYSMSG_ADD_PEER,
+		SYSMSG_REMOVE_PEER
+	};
+
+	enum {
+		SYSCH_RELIABLE = 0,
+		SYSCH_UNRELIABLE = 1,
+		SYSCH_MAX = 2
+	};
+
+	enum Mode {
+		MODE_NONE,
+		MODE_SERVER,
+		MODE_CLIENT,
+		MODE_MESH,
+	};
+
+	Mode active_mode = MODE_NONE;
+
+	uint32_t unique_id = 0;
+
+	int target_peer = 0;
+
+	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;
+		TransferMode transfer_mode = TRANSFER_MODE_RELIABLE;
+	};
+
+	List<Packet> incoming_packets;
+
+	Packet current_packet;
+
+	void _store_packet(int32_t p_source, ENetConnection::Event &p_event);
+	void _pop_current_packet();
+	void _disconnect_inactive_peers();
+	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 TransferMode get_packet_mode() const override;
+	virtual int get_packet_channel() const override;
+
+	virtual void poll() override;
+	virtual void close() override;
+	virtual void disconnect_peer(int p_peer, bool p_force = false) override;
+
+	virtual bool is_server() const override;
+	virtual bool is_server_relay_supported() 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 set_bind_ip(const IPAddress &p_ip);
+
+	Ref<ENetConnection> get_host() const;
+	Ref<ENetPacketPeer> get_peer(int p_id) const;
+
+	ENetMultiplayerPeer();
+	~ENetMultiplayerPeer();
+};