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351 lines
7.6 KiB
C
351 lines
7.6 KiB
C
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2017 EDuke32 developers and contributors
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This file is part of EDuke32.
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EDuke32 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#ifndef netplay_h_
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#define netplay_h_
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// As of Nov. of 2018, the version of gcc that the Makefile is using is too old for [[maybe_unused]],
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// but __attribute__ is GNU C only.
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#ifdef __GNUC__
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#define EDUKE32_UNUSED __attribute__((unused))
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#else
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#define EDUKE32_UNUSED
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#endif
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#include "enet/enet.h"
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// net packet specification/compatibility version
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#define NETVERSION 1
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extern ENetHost *g_netClient;
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extern ENetHost *g_netServer;
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extern ENetPeer *g_netClientPeer;
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extern char g_netPassword[32];
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extern int32_t g_netDisconnect;
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extern int32_t g_netPlayersWaiting;
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extern enet_uint16 g_netPort;
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extern int32_t g_networkMode;
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extern int32_t g_netIndex;
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#define NET_REVISIONS 64
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enum netchan_t
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{
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CHAN_MOVE, // unreliable movement packets
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CHAN_GAMESTATE, // gamestate changes... frags, respawns, player names, etc
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CHAN_CHAT, // chat and RTS
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CHAN_MISC, // whatever else
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CHAN_MAX
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};
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enum DukePacket_t
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{
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PACKET_MASTER_TO_SLAVE,
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PACKET_SLAVE_TO_MASTER,
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PACKET_NUM_PLAYERS,
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PACKET_PLAYER_INDEX,
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PACKET_PLAYER_DISCONNECTED,
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PACKET_PLAYER_SPAWN,
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PACKET_FRAG,
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PACKET_ACK,
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PACKET_AUTH,
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PACKET_PLAYER_PING,
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PACKET_PLAYER_READY,
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PACKET_WORLD_UPDATE, //[75]
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// any packet with an ID higher than PACKET_BROADCAST is rebroadcast by server
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// so hacked clients can't create fake server packets and get the server to
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// send them to everyone
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// newer versions of the netcode also make this determination based on which
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// channel the packet was broadcast on
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PACKET_BROADCAST,
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PACKET_NEW_GAME, // [S->C]
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PACKET_RTS,
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PACKET_CLIENT_INFO,
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PACKET_MESSAGE,
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PACKET_USER_MAP,
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PACKET_MAP_VOTE,
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PACKET_MAP_VOTE_INITIATE,
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PACKET_MAP_VOTE_CANCEL,
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};
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enum netdisconnect_t
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{
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DISC_BAD_PASSWORD = 1,
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DISC_VERSION_MISMATCH,
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DISC_INVALID,
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DISC_SERVER_QUIT,
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DISC_SERVER_FULL,
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DISC_KICKED,
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DISC_BANNED
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};
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enum netmode_t
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{
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NET_CLIENT = 0,
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NET_SERVER,
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NET_DEDICATED_CLIENT, // client on dedicated server
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NET_DEDICATED_SERVER
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};
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//[75]
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typedef struct netWall_s
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{
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uint16_t netIndex;
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int32_t x,
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y,
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point2,
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nextwall,
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nextsector,
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cstat,
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picnum,
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overpicnum,
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shade,
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pal,
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xrepeat,
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yrepeat,
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xpanning,
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ypanning,
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lotag,
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hitag,
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extra;
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} netWall_t;
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// sector struct with all 32 bit entries
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typedef struct netSector_s
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{
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uint16_t netIndex;
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int32_t wallptr,
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wallnum,
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ceilingz,
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floorz,
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ceilingstat,
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floorstat,
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ceilingpicnum,
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ceilingheinum,
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ceilingshade,
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ceilingpal,
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ceilingxpanning,
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ceilingypanning,
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floorpicnum,
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floorheinum,
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floorshade,
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floorpal,
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floorxpanning,
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floorypanning,
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visibility,
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fogpal,
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lotag,
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hitag,
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extra;
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} netSector_t;
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const uint64_t cSnapshotMemUsage = NET_REVISIONS * (
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(sizeof(netWall_t) * MAXWALLS)
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+ (sizeof(netSector_t) * MAXSECTORS)
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+ (sizeof(netactor_t) * MAXSPRITES)
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);
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#pragma pack(push,1)
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typedef struct netmapstate_s
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{
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uint32_t revisionNumber;
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int32_t maxActorIndex;
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netactor_t actor[MAXSPRITES];
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netWall_t wall[MAXWALLS];
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netSector_t sector[MAXSECTORS];
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} netmapstate_t;
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#pragma pack(pop)
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#pragma pack(push,1)
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typedef struct playerupdate_s
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{
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vec3_t pos;
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vec3_t opos;
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vec3_t vel;
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fix16_t q16ang;
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fix16_t q16horiz;
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fix16_t q16horizoff;
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int16_t ping;
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int16_t playerindex;
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int16_t deadflag;
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int16_t playerquitflag;
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} playerupdate_t;
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#pragma pack(pop)
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#pragma pack(push,1)
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typedef struct newgame_s
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{
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int8_t header;
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int8_t connection;
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int8_t level_number;
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int8_t volume_number;
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int8_t player_skill;
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int8_t monsters_off;
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int8_t respawn_monsters;
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int8_t respawn_items;
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int8_t respawn_inventory;
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int8_t marker;
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int8_t ffire;
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int8_t noexits;
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int8_t coop;
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} newgame_t;
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#pragma pack(pop)
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extern newgame_t pendingnewgame;
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#ifndef NETCODE_DISABLE
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// Connect/Disconnect
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void Net_Connect(const char *srvaddr);
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// Packet Handlers
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#endif
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void Net_GetPackets(void);
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#ifndef NETCODE_DISABLE
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void Net_SendClientInfo(void);
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void Net_SendUserMapName(void);
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void Net_SendMapUpdate(void);
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int32_t Net_InsertSprite(int32_t sect, int32_t stat);
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void Net_DeleteSprite(int32_t spritenum);
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void Net_SendServerUpdates(void);
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void Net_SendClientUpdate(void);
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void Net_SendMessage(void);
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void Net_StartNewGame();
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void Net_NotifyNewGame();
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void Net_SendNewGame(int32_t frommenu, ENetPeer *peer);
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void Net_FillNewGame(newgame_t *newgame, int32_t frommenu);
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void Net_SendMapVoteInitiate(void);
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void Net_SendMapVote(int32_t votefor);
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void Net_SendMapVoteCancel(int32_t failed);
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void Net_StoreClientState(void);
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//////////
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void Net_ResetPrediction(void);
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void Net_SpawnPlayer(int32_t player);
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void Net_WaitForServer(void);
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void faketimerhandler(void);
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void Net_InitMapStateHistory();
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void Net_AddWorldToInitialSnapshot();
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// Debugging
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int32_t Dbg_PacketSent(enum DukePacket_t iPacketType);
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void DumpMapStateHistory();
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void Net_WaitForInitialSnapshot();
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#else
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// note: don't include faketimerhandler in this
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#define Net_Connect(...) ((void)0)
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#define Net_SendClientInfo(...) ((void)0)
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#define Net_SendUserMapName(...) ((void)0)
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#define Net_SendClientSync(...) ((void)0)
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#define Net_ReceiveClientSync(...) ((void)0)
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#define Net_SendMapUpdates(...) ((void)0)
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#define Net_ReceiveMapUpdate(...) ((void)0)
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#define Net_SendServerUpdates(...) ((void)0)
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#define Net_SendClientUpdate(...) ((void)0)
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#define Net_SendMessage(...) ((void)0)
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#define Net_StartNewGame(...) ((void)0)
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#define Net_SendNewGame(...) ((void)0)
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#define Net_FillNewGame(...) ((void)0)
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#define Net_SendMapVoteInitiate(...) ((void)0)
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#define Net_SendMapVote(...) ((void)0)
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#define Net_SendMapVoteCancel(...) ((void)0)
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#define Net_ResetPrediction(...) ((void)0)
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#define Net_RestoreMapState(...) ((void)0)
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#define Net_WaitForServer(...) ((void)0)
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#define Net_InsertSprite(...) ((void)0)
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#define Net_DeleteSprite(...) ((void)0)
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#define Net_NotifyNewGame(...) ((void)0)
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#define Net_WaitForInitialSnapshot(...) ((void)0)
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#define Net_SendMapUpdate(...) ((void)0)
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#define Net_StoreClientState(...) ((void)0)
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#define Net_InitMapStateHistory(...) ((void)0)
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#define Net_AddWorldToInitialSnapshot(...) ((void)0)
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#define DumpMapStateHistory(...) ((void)0)
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#endif
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#endif // netplay_h_
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