raze-gles/source/duke3d/src/network.h

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