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			109 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*************************************************************************/
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/*  websocket_multiplayer_peer.h                                         */
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/*************************************************************************/
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/*                       This file is part of:                           */
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/*                           GODOT ENGINE                                */
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/*                      https://godotengine.org                          */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/*                                                                       */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the       */
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/* "Software"), to deal in the Software without restriction, including   */
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/* without limitation the rights to use, copy, modify, merge, publish,   */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions:                                             */
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/*                                                                       */
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/* The above copyright notice and this permission notice shall be        */
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/* included in all copies or substantial portions of the Software.       */
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/*                                                                       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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/*************************************************************************/
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#ifndef WEBSOCKET_MULTIPLAYER_PEER_H
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#define WEBSOCKET_MULTIPLAYER_PEER_H
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#include "core/error_list.h"
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#include "core/io/networked_multiplayer_peer.h"
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#include "core/list.h"
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#include "websocket_peer.h"
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class WebSocketMultiplayerPeer : public NetworkedMultiplayerPeer {
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	GDCLASS(WebSocketMultiplayerPeer, NetworkedMultiplayerPeer);
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private:
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	PoolVector<uint8_t> _make_pkt(uint8_t p_type, int32_t p_from, int32_t p_to, const uint8_t *p_data, uint32_t p_data_size);
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	void _store_pkt(int32_t p_source, int32_t p_dest, const uint8_t *p_data, uint32_t p_data_size);
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	Error _server_relay(int32_t p_from, int32_t p_to, const uint8_t *p_buffer, uint32_t p_buffer_size);
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protected:
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	enum {
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		SYS_NONE = 0,
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		SYS_ADD = 1,
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		SYS_DEL = 2,
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		SYS_ID = 3,
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		PROTO_SIZE = 9
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	};
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	struct Packet {
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		int source;
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		int destination;
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		uint8_t *data;
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		uint32_t size;
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	};
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	List<Packet> _incoming_packets;
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	Map<int, Ref<WebSocketPeer>> _peer_map;
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	Packet _current_packet;
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	bool _is_multiplayer;
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	int _target_peer;
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	int _peer_id;
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	int _refusing;
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	static void _bind_methods();
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	void _send_add(int32_t p_peer_id);
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	void _send_sys(Ref<WebSocketPeer> p_peer, uint8_t p_type, int32_t p_peer_id);
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	void _send_del(int32_t p_peer_id);
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	int _gen_unique_id() const;
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public:
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	/* NetworkedMultiplayerPeer */
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	void set_transfer_mode(TransferMode p_mode);
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	TransferMode get_transfer_mode() const;
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	void set_target_peer(int p_target_peer);
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	int get_packet_peer() const;
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	int get_unique_id() const;
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	virtual bool is_server() const = 0;
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	void set_refuse_new_connections(bool p_enable);
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	bool is_refusing_new_connections() const;
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	virtual ConnectionStatus get_connection_status() const = 0;
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	/* PacketPeer */
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	virtual int get_available_packet_count() const;
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	virtual int get_max_packet_size() const = 0;
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	virtual Error get_packet(const uint8_t **r_buffer, int &r_buffer_size);
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	virtual Error put_packet(const uint8_t *p_buffer, int p_buffer_size);
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	/* WebSocketPeer */
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	virtual Error set_buffers(int p_in_buffer, int p_in_packets, int p_out_buffer, int p_out_packets) = 0;
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	virtual Ref<WebSocketPeer> get_peer(int p_peer_id) const = 0;
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	void _process_multiplayer(Ref<WebSocketPeer> p_peer, uint32_t p_peer_id);
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	void _clear();
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	WebSocketMultiplayerPeer();
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	~WebSocketMultiplayerPeer();
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};
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#endif // WEBSOCKET_MULTIPLAYER_PEER_H
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