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raze-gles/polymer/eduke32/source/net.c
helixhorned 3fbf46ce3a net: do strtok on a duplicated string containing the address in Net_Connect(). 
Also,
 - don't strip const when passing the char ptr to it and a couple more
   instances in game.c
 - use g_netPort when -connect parameter doesn't have a port suffix (":XXXX"),
   so that e.g.
    eduke32 -port 1700 -connect localhost
   is the same as
    eduke32 -connect localhost:1700
   (-port must come before -connect, unfortunately.)

git-svn-id: https://svn.eduke32.com/eduke32@2737 1a8010ca-5511-0410-912e-c29ae57300e0
2012-06-03 19:20:41 +00:00

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//-------------------------------------------------------------------------
/*
Copyright (C) 2010 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//-------------------------------------------------------------------------
#include "duke3d.h"
#include "game.h"
#include "gamedef.h"
#include "net.h"
#include "premap.h"
#include "savegame.h"
#include "input.h"
#include "enet/enet.h"
#include "quicklz.h"
#include "crc32.h"
#include "xdelta3.h"
/*
this should be lower than the MTU size by at least the size of the UDP and ENet headers
or else fragmentation will occur
*/
#define SYNCPACKETSIZE 1344
uint32_t g_netMapRevision = 0;
ENetHost *g_netServer = NULL;
ENetHost *g_netClient = NULL;
ENetPeer *g_netClientPeer = NULL;
int32_t g_netPort = 23513;
int32_t g_netDisconnect = 0;
char g_netPassword[32];
int32_t g_netSync = 0;
int32_t g_netPlayersWaiting = 0;
int32_t g_networkMode = NET_CLIENT;
static char recbuf[180];
static int32_t g_chatPlayer = -1;
// sprites of these statnums are synced to clients by the server
int16_t g_netStatnums[10] = { STAT_PROJECTILE, STAT_PLAYER, STAT_STANDABLE, STAT_ACTIVATOR, STAT_TRANSPORT,
STAT_EFFECTOR, STAT_ACTOR, STAT_ZOMBIEACTOR, STAT_MISC, MAXSTATUS
};
int32_t lastupdate[MAXSPRITES];
int32_t lastsectupdate[MAXSECTORS];
int32_t lastwallupdate[MAXWALLS];
#pragma pack(push,1)
netmapstate_t *g_multiMapState[MAXPLAYERS];
netmapstate_t *g_multiMapRevisions[NET_REVISIONS];
netmapstate_t *streamoutput = NULL;
#pragma pack(pop)
static void alloc_multimapstate(int32_t i)
{
if (g_multiMapState[i] == NULL)
{
g_multiMapState[i] = Bcalloc(1, sizeof(netmapstate_t));
if (g_multiMapState[i] == NULL)
G_GameExit("OUT OF MEMORY in alloc_multimapstate");
}
}
void Net_SaveMapState(netmapstate_t *save)
{
if (save != NULL)
{
int32_t i;
intptr_t j;
save->revision = g_netMapRevision;
Bmemcpy(&save->numwalls,&numwalls,sizeof(numwalls));
Bmemcpy(&save->wall[0],&wall[0],sizeof(walltype)*MAXWALLS);
Bmemcpy(&save->numsectors,&numsectors,sizeof(numsectors));
Bmemcpy(&save->sector[0],&sector[0],sizeof(sectortype)*MAXSECTORS);
Bmemcpy(&save->sprite[0],&sprite[0],sizeof(spritetype)*MAXSPRITES);
Bmemcpy(&save->spriteext[0],&spriteext[0],sizeof(spriteext_t)*MAXSPRITES);
Bmemcpy(&save->headspritesect[0],&headspritesect[0],sizeof(headspritesect));
Bmemcpy(&save->prevspritesect[0],&prevspritesect[0],sizeof(prevspritesect));
Bmemcpy(&save->nextspritesect[0],&nextspritesect[0],sizeof(nextspritesect));
Bmemcpy(&save->headspritestat[0],&headspritestat[0],sizeof(headspritestat));
Bmemcpy(&save->prevspritestat[0],&prevspritestat[0],sizeof(prevspritestat));
Bmemcpy(&save->nextspritestat[0],&nextspritestat[0],sizeof(nextspritestat));
for (i=MAXSPRITES-1; i>=0; i--)
save->scriptptrs[i] = 0;
Bmemcpy(&save->actor[0],&actor[0],offsetof(netactor_t, t_data[0])*MAXSPRITES);
for (i=MAXSPRITES-1; i>=0; i--)
for (j=0;j<10;j++)
save->actor[i].t_data[j] = actor[i].t_data[j];
Bmemcpy(&save->g_numCyclers,&g_numCyclers,sizeof(g_numCyclers));
Bmemcpy(&save->cyclers[0][0],&cyclers[0][0],sizeof(cyclers));
Bmemcpy(&save->g_playerSpawnPoints[0],&g_playerSpawnPoints[0],sizeof(g_playerSpawnPoints));
Bmemcpy(&save->g_numAnimWalls,&g_numAnimWalls,sizeof(g_numAnimWalls));
Bmemcpy(&save->SpriteDeletionQueue[0],&SpriteDeletionQueue[0],sizeof(SpriteDeletionQueue));
Bmemcpy(&save->g_spriteDeleteQueuePos,&g_spriteDeleteQueuePos,sizeof(g_spriteDeleteQueuePos));
Bmemcpy(&save->animwall[0],&animwall[0],sizeof(animwall));
Bmemcpy(&save->msx[0],&msx[0],sizeof(msx));
Bmemcpy(&save->msy[0],&msy[0],sizeof(msy));
Bmemcpy(&save->g_mirrorWall[0],&g_mirrorWall[0],sizeof(g_mirrorWall));
Bmemcpy(&save->g_mirrorSector[0],&g_mirrorSector[0],sizeof(g_mirrorSector));
Bmemcpy(&save->g_mirrorCount,&g_mirrorCount,sizeof(g_mirrorCount));
/* Bmemcpy(&save->animategoal[0],&animategoal[0],sizeof(animategoal));
Bmemcpy(&save->animatevel[0],&animatevel[0],sizeof(animatevel));
Bmemcpy(&save->g_animateCount,&g_animateCount,sizeof(g_animateCount));
Bmemcpy(&save->animatesect[0],&animatesect[0],sizeof(animatesect));
G_Util_PtrToIdx(animateptr, g_animateCount, sector, P2I_FWD);
Bmemcpy(&save->animateptr[0],&animateptr[0],sizeof(animateptr));
G_Util_PtrToIdx(animateptr, g_animateCount, sector, P2I_BACK);
*/
Bmemcpy(&save->g_numPlayerSprites,&g_numPlayerSprites,sizeof(g_numPlayerSprites));
Bmemcpy(&save->g_earthquakeTime,&g_earthquakeTime,sizeof(g_earthquakeTime));
// Bmemcpy(&save->lockclock,&lockclock,sizeof(lockclock));
Bmemcpy(&save->randomseed,&randomseed,sizeof(randomseed));
Bmemcpy(&save->g_globalRandom,&g_globalRandom,sizeof(g_globalRandom));
/*
for (i=g_gameVarCount-1; i>=0; i--)
{
if (aGameVars[i].dwFlags & GAMEVAR_NORESET) continue;
if (aGameVars[i].dwFlags & GAMEVAR_PERPLAYER)
{
if (!save->vars[i])
save->vars[i] = Bcalloc(MAXPLAYERS,sizeof(intptr_t));
Bmemcpy(&save->vars[i][0],&aGameVars[i].val.plValues[0],sizeof(intptr_t) * MAXPLAYERS);
}
else if (aGameVars[i].dwFlags & GAMEVAR_PERACTOR)
{
if (!save->vars[i])
save->vars[i] = Bcalloc(MAXSPRITES,sizeof(intptr_t));
Bmemcpy(&save->vars[i][0],&aGameVars[i].val.plValues[0],sizeof(intptr_t) * MAXSPRITES);
}
else save->vars[i] = (intptr_t *)aGameVars[i].val.lValue;
}
*/
// ototalclock = totalclock;
save->crc = crc32once((uint8_t *)save, offsetof(netmapstate_t, crc));
}
}
extern void Gv_RefreshPointers(void);
void Net_RestoreMapState(netmapstate_t *save)
{
if (save != NULL)
{
int32_t i;
// int32_t x; // used in commented code below
intptr_t j;
char phealth[MAXPLAYERS];
Bassert(save->crc == crc32once((uint8_t *)save, offsetof(netmapstate_t, crc)));
for (i=0; i<playerswhenstarted; i++)
phealth[i] = sprite[g_player[i].ps->i].extra;
pub = NUMPAGES;
pus = NUMPAGES;
G_UpdateScreenArea();
Bmemcpy(&numwalls,&save->numwalls,sizeof(numwalls));
Bmemcpy(&wall[0],&save->wall[0],sizeof(walltype)*MAXWALLS);
Bmemcpy(&numsectors,&save->numsectors,sizeof(numsectors));
Bmemcpy(&sector[0],&save->sector[0],sizeof(sectortype)*MAXSECTORS);
Bmemcpy(&sprite[0],&save->sprite[0],sizeof(spritetype)*MAXSPRITES);
Bmemcpy(&spriteext[0],&save->spriteext[0],sizeof(spriteext_t)*MAXSPRITES);
Bmemcpy(&headspritesect[0],&save->headspritesect[0],sizeof(headspritesect));
Bmemcpy(&prevspritesect[0],&save->prevspritesect[0],sizeof(prevspritesect));
Bmemcpy(&nextspritesect[0],&save->nextspritesect[0],sizeof(nextspritesect));
Bmemcpy(&headspritestat[0],&save->headspritestat[0],sizeof(headspritestat));
Bmemcpy(&prevspritestat[0],&save->prevspritestat[0],sizeof(prevspritestat));
Bmemcpy(&nextspritestat[0],&save->nextspritestat[0],sizeof(nextspritestat));
Bmemcpy(&actor[0],&save->actor[0],offsetof(netactor_t, t_data)*MAXSPRITES);
for (i=MAXSPRITES-1; i>=0; i--)
for (j=0;j<10;j++)
actor[i].t_data[j] = save->actor[i].t_data[j];
Bmemcpy(&g_numCyclers,&save->g_numCyclers,sizeof(g_numCyclers));
Bmemcpy(&cyclers[0][0],&save->cyclers[0][0],sizeof(cyclers));
Bmemcpy(&g_playerSpawnPoints[0],&save->g_playerSpawnPoints[0],sizeof(g_playerSpawnPoints));
Bmemcpy(&g_numAnimWalls,&save->g_numAnimWalls,sizeof(g_numAnimWalls));
Bmemcpy(&SpriteDeletionQueue[0],&save->SpriteDeletionQueue[0],sizeof(SpriteDeletionQueue));
Bmemcpy(&g_spriteDeleteQueuePos,&save->g_spriteDeleteQueuePos,sizeof(g_spriteDeleteQueuePos));
Bmemcpy(&animwall[0],&save->animwall[0],sizeof(animwall));
Bmemcpy(&msx[0],&save->msx[0],sizeof(msx));
Bmemcpy(&msy[0],&save->msy[0],sizeof(msy));
Bmemcpy(&g_mirrorWall[0],&save->g_mirrorWall[0],sizeof(g_mirrorWall));
Bmemcpy(&g_mirrorSector[0],&save->g_mirrorSector[0],sizeof(g_mirrorSector));
Bmemcpy(&g_mirrorCount,&save->g_mirrorCount,sizeof(g_mirrorCount));
/*
Bmemcpy(&animategoal[0],&save->animategoal[0],sizeof(animategoal));
Bmemcpy(&animatevel[0],&save->animatevel[0],sizeof(animatevel));
Bmemcpy(&g_animateCount,&save->g_animateCount,sizeof(g_animateCount));
Bmemcpy(&animatesect[0],&save->animatesect[0],sizeof(animatesect));
Bmemcpy(&animateptr[0],&save->animateptr[0],sizeof(animateptr));
G_Util_PtrToIdx(animateptr, g_animateCount, sector, P2I_BACK);
*/
Bmemcpy(&g_numPlayerSprites,&save->g_numPlayerSprites,sizeof(g_numPlayerSprites));
Bmemcpy(&g_earthquakeTime,&save->g_earthquakeTime,sizeof(g_earthquakeTime));
// Bmemcpy(&lockclock,&save->lockclock,sizeof(lockclock));
Bmemcpy(&randomseed,&save->randomseed,sizeof(randomseed));
Bmemcpy(&g_globalRandom,&save->g_globalRandom,sizeof(g_globalRandom));
/*
for (i=g_gameVarCount-1; i>=0; i--)
{
if (aGameVars[i].dwFlags & GAMEVAR_NORESET) continue;
if (aGameVars[i].dwFlags & GAMEVAR_PERPLAYER)
{
if (!save->vars[i]) continue;
Bmemcpy(&aGameVars[i].val.plValues[0],&save->vars[i][0],sizeof(intptr_t) * MAXPLAYERS);
}
else if (aGameVars[i].dwFlags & GAMEVAR_PERACTOR)
{
if (!save->vars[i]) continue;
Bmemcpy(&aGameVars[i].val.plValues[0],&save->vars[i][0],sizeof(intptr_t) * MAXSPRITES);
}
else aGameVars[i].val.lValue = (intptr_t)save->vars[i];
}
*/
Gv_RefreshPointers();
for (i=0; i<playerswhenstarted; i++)
sprite[g_player[i].ps->i].extra = phealth[i];
if (g_player[myconnectindex].ps->over_shoulder_on != 0)
{
g_cameraDistance = 0;
g_cameraClock = 0;
g_player[myconnectindex].ps->over_shoulder_on = 1;
}
screenpeek = myconnectindex;
/*
if (ud.lockout == 0)
{
for (x=g_numAnimWalls-1; x>=0; x--)
if (wall[animwall[x].wallnum].extra >= 0)
wall[animwall[x].wallnum].picnum = wall[animwall[x].wallnum].extra;
}
else
{
for (x=g_numAnimWalls-1; x>=0; x--)
switch (DynamicTileMap[wall[animwall[x].wallnum].picnum])
{
case FEMPIC1__STATIC:
wall[animwall[x].wallnum].picnum = BLANKSCREEN;
break;
case FEMPIC2__STATIC:
case FEMPIC3__STATIC:
wall[animwall[x].wallnum].picnum = SCREENBREAK6;
break;
}
}
*/
G_ResetInterpolations();
// Net_ResetPrediction();
// G_ClearFIFO();
// G_ResetTimers();
initprintf("Net_RestoreMapState(): restored revision %u\n",save->revision);
}
}
void Net_Connect(const char *srvaddr)
{
ENetAddress address;
ENetEvent event;
char *addrstr = NULL;
int32_t i;
char *oursrvaddr = Bstrdup(srvaddr);
if (!oursrvaddr) G_GameExit("OUT OF MEMORY");
Net_Disconnect();
g_netClient = enet_host_create(NULL, 1, CHAN_MAX, 0, 0);
if (g_netClient == NULL)
{
initprintf("An error occurred while trying to create an ENet client host.\n");
return;
}
addrstr = strtok(oursrvaddr, ":");
enet_address_set_host(&address, addrstr);
addrstr = strtok(NULL, ":");
address.port = addrstr==NULL ? g_netPort : Batoi(addrstr);
g_netClientPeer = enet_host_connect(g_netClient, &address, CHAN_MAX, 0);
if (g_netClientPeer == NULL)
{
initprintf("No available peers for initiating an ENet connection.\n");
return;
}
for (i=4; i>0; i--)
{
/* Wait up to 5 seconds for the connection attempt to succeed. */
if (enet_host_service(g_netClient, & event, 5000) > 0 &&
event.type == ENET_EVENT_TYPE_CONNECT)
{
initprintf("Connection to %s:%d succeeded.\n", oursrvaddr, address.port);
Bfree(oursrvaddr);
return;
}
else
{
/* Either the 5 seconds are up or a disconnect event was */
/* received. Reset the peer in the event the 5 seconds */
/* had run out without any significant event. */
enet_peer_reset(g_netClientPeer);
initprintf("Connection to %s:%d failed.\n", oursrvaddr, address.port);
}
initprintf(i ? "Retrying...\n" : "Giving up connection attempt.\n");
}
Bfree(oursrvaddr);
Net_Disconnect();
}
void Net_Disconnect(void)
{
if (g_netClient)
{
ENetEvent event;
if (g_netClientPeer)
enet_peer_disconnect_later(g_netClientPeer, 0);
while (enet_host_service(g_netClient, & event, 3000) > 0)
{
switch (event.type)
{
case ENET_EVENT_TYPE_CONNECT:
case ENET_EVENT_TYPE_NONE:
case ENET_EVENT_TYPE_RECEIVE:
if (event.packet)
enet_packet_destroy(event.packet);
break;
case ENET_EVENT_TYPE_DISCONNECT:
numplayers = playerswhenstarted = ud.multimode = 1;
myconnectindex = screenpeek = 0;
G_BackToMenu();
break;
}
}
enet_peer_reset(g_netClientPeer);
g_netClientPeer = NULL;
enet_host_destroy(g_netClient);
g_netClient = NULL;
return;
}
if (g_netServer)
{
int32_t i;
ENetEvent event;
for (i=0; i<(signed)g_netServer->peerCount; i++)
enet_peer_disconnect_later(&g_netServer->peers[i], 0);
while (enet_host_service(g_netServer, & event, 3000) > 0)
{
switch (event.type)
{
case ENET_EVENT_TYPE_CONNECT:
case ENET_EVENT_TYPE_NONE:
case ENET_EVENT_TYPE_RECEIVE:
case ENET_EVENT_TYPE_DISCONNECT:
if (event.packet)
enet_packet_destroy(event.packet);
break;
}
}
enet_host_destroy(g_netServer);
g_netServer = NULL;
Bfree(streamoutput);
}
}
static void Net_SendVersion(ENetPeer *client)
{
if (!g_netServer) return;
buf[0] = PACKET_VERSION;
buf[1] = BYTEVERSION;
// XXX: s_buildDate is outdated and useless; uint8 is not enough :/
buf[2] = (uint8_t)atoi(s_buildDate);
buf[3] = myconnectindex;
enet_peer_send(client, CHAN_GAMESTATE, enet_packet_create(&buf[0], 4, ENET_PACKET_FLAG_RELIABLE));
}
void Net_SendClientInfo(void)
{
int32_t i,l;
for (l=0; (unsigned)l<sizeof(szPlayerName)-1; l++)
g_player[myconnectindex].user_name[l] = Btoupper(szPlayerName[l]);
if (numplayers < 2) return;
buf[0] = PACKET_CLIENT_INFO;
l = 1;
//null terminated player name to send
for (i=0; szPlayerName[i]; i++) buf[l++] = Btoupper(szPlayerName[i]);
buf[l++] = 0;
buf[l++] = g_player[myconnectindex].ps->aim_mode = ud.mouseaiming;
buf[l++] = g_player[myconnectindex].ps->auto_aim = ud.config.AutoAim;
buf[l++] = g_player[myconnectindex].ps->weaponswitch = ud.weaponswitch;
buf[l++] = g_player[myconnectindex].ps->palookup = g_player[myconnectindex].pcolor = ud.color;
buf[l++] = g_player[myconnectindex].pteam = ud.team;
for (i=0; i<10; i++)
{
g_player[myconnectindex].wchoice[i] = g_player[0].wchoice[i];
buf[l++] = (uint8_t)g_player[0].wchoice[i];
}
buf[l++] = myconnectindex;
if (g_netClient)
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE, enet_packet_create(&buf[0], l, ENET_PACKET_FLAG_RELIABLE));
else if (g_netServer)
enet_host_broadcast(g_netServer, CHAN_GAMESTATE, enet_packet_create(&buf[0], l, ENET_PACKET_FLAG_RELIABLE));
}
void Net_SendUserMapName(void)
{
int32_t j;
if (numplayers < 2)
return;
packbuf[0] = PACKET_USER_MAP;
Bcorrectfilename(boardfilename,0);
// user map name is sent with a NUL at the end
j = Bstrlen(boardfilename)+1;
Bmemcpy(&packbuf[1], boardfilename, j);
j++;
packbuf[j++] = myconnectindex;
if (g_netClient)
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE, enet_packet_create(packbuf, j, ENET_PACKET_FLAG_RELIABLE));
else if (g_netServer)
enet_host_broadcast(g_netServer, CHAN_GAMESTATE, enet_packet_create(packbuf, j, ENET_PACKET_FLAG_RELIABLE));
}
// FIXME: change all of the game starting support code to be fully server controlled
void Net_NewGame(int32_t volume, int32_t level)
{
packbuf[0] = PACKET_NEW_GAME;
packbuf[1] = ud.m_level_number = level;
packbuf[2] = ud.m_volume_number = volume;
packbuf[3] = ud.m_player_skill+1;
packbuf[4] = ud.m_monsters_off;
packbuf[5] = ud.m_respawn_monsters;
packbuf[6] = ud.m_respawn_items;
packbuf[7] = ud.m_respawn_inventory;
packbuf[8] = ud.m_coop;
packbuf[9] = ud.m_marker;
packbuf[10] = ud.m_ffire;
packbuf[11] = ud.m_noexits;
packbuf[12] = myconnectindex;
if (g_netClient)
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE, enet_packet_create(packbuf, 13, ENET_PACKET_FLAG_RELIABLE));
else if (g_netServer)
enet_host_broadcast(g_netServer, CHAN_GAMESTATE, enet_packet_create(packbuf, 13, ENET_PACKET_FLAG_RELIABLE));
}
// sends a simple crc32 of the current password, verified by the server before the connection can continue
static void Net_SendChallenge(void)
{
int32_t l = 1;
if (!g_netClientPeer) return;
buf[0] = PACKET_AUTH;
*(uint32_t *)&buf[1] = crc32once((uint8_t *)g_netPassword, Bstrlen(g_netPassword));
l += sizeof(int32_t);
buf[l++] = myconnectindex;
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE, enet_packet_create(&buf[0], l, ENET_PACKET_FLAG_RELIABLE));
}
static void P_RemovePlayer(int32_t p)
{
// server obviously can't leave the game, and index 0 shows up for disconnect events from
// players that haven't gotten far enough into the connection process to get a player ID
if (p == 0) return;
g_player[p].playerquitflag = 0;
Bsprintf(buf,"%s^00 is history!",g_player[p].user_name);
G_AddUserQuote(buf);
if (numplayers == 1)
S_PlaySound(GENERIC_AMBIENCE17);
if (g_player[myconnectindex].ps->gm & MODE_GAME)
{
if (screenpeek == p)
screenpeek = myconnectindex;
pub = NUMPAGES;
pus = NUMPAGES;
G_UpdateScreenArea();
P_QuickKill(g_player[p].ps);
if (voting == p)
{
for (p=0; p<MAXPLAYERS; p++)
{
g_player[p].vote = 0;
g_player[p].gotvote = 0;
}
voting = -1;
}
Bstrcpy(ScriptQuotes[QUOTE_RESERVED2],buf);
g_player[myconnectindex].ps->ftq = QUOTE_RESERVED2;
g_player[myconnectindex].ps->fta = 180;
}
}
// sync a connecting player up with the current game state
void Net_SyncPlayer(ENetEvent *event)
{
int32_t i, j;
g_netPlayersWaiting++;
S_PlaySound(DUKE_GETWEAPON2);
// open a new slot if necessary and save off the resulting slot # for future reference
for (TRAVERSE_CONNECT(i))
if (g_player[i].playerquitflag == 0)
break;
if (i == -1)
i = playerswhenstarted++;
event->peer->data = (void *)(intptr_t)i;
g_player[i].netsynctime = totalclock;
g_player[i].playerquitflag = 1;
for (j=0; j<playerswhenstarted-1; j++) connectpoint2[j] = j+1;
connectpoint2[playerswhenstarted-1] = -1;
if (!g_player[i].ps) g_player[i].ps = (DukePlayer_t *) Bcalloc(1, sizeof(DukePlayer_t));
if (!g_player[i].sync) g_player[i].sync = (input_t *) Bcalloc(1, sizeof(input_t));
packbuf[0] = PACKET_NUM_PLAYERS;
packbuf[1] = ++numplayers;
packbuf[2] = playerswhenstarted;
packbuf[3] = ++ud.multimode;
packbuf[4] = i;
packbuf[5] = g_networkMode;
packbuf[6] = myconnectindex;
enet_host_broadcast(g_netServer, CHAN_GAMESTATE, enet_packet_create(packbuf, 7, ENET_PACKET_FLAG_RELIABLE));
packbuf[0] = PACKET_PLAYER_INDEX;
packbuf[1] = i;
packbuf[2] = myconnectindex;
enet_peer_send(event->peer, CHAN_GAMESTATE, enet_packet_create(packbuf, 3, ENET_PACKET_FLAG_RELIABLE));
Net_SendClientInfo();
Net_SendUserMapName();
if (g_player[0].ps->gm & MODE_GAME)
{
alloc_multimapstate(i);
{
char *buf = (char *)Bmalloc(sizeof(netmapstate_t)+512);
sprite[g_player[i].ps->i].cstat = 32768;
g_player[i].ps->runspeed = g_playerFriction;
g_player[i].ps->last_extra = sprite[g_player[i].ps->i].extra = g_player[i].ps->max_player_health = g_maxPlayerHealth;
Net_SaveMapState(g_multiMapState[i]);
if ((j = qlz_compress((char *)g_multiMapState[i], buf, sizeof(netmapstate_t), state_compress)))
{
size_t csize = qlz_size_compressed(buf);
// all of these packets are SYNCPACKETSIZE
do
{
enet_peer_send(event->peer, CHAN_SYNC,
enet_packet_create(buf+csize-j, SYNCPACKETSIZE, ENET_PACKET_FLAG_RELIABLE));
j -= SYNCPACKETSIZE;
enet_host_service(g_netServer, NULL, 0);
}
while (j >= SYNCPACKETSIZE);
// ...except for this one. A non-SYNCPACKETSIZE packet on
// CHAN_SYNC doubles as the signal that the transfer is done.
enet_peer_send(event->peer, CHAN_SYNC,
enet_packet_create(buf+csize-j, j, ENET_PACKET_FLAG_RELIABLE));
enet_host_service(g_netServer, NULL, 0);
initprintf("Compressed %u bytes to %u\n", (uint32_t)sizeof(netmapstate_t), (uint32_t)qlz_size_compressed(buf));
}
else
initprintf("Error compressing map state for transfer!\n");
Bfree(buf);
/*
Bfree(g_multiMapState);
g_multiMapState = NULL;
*/
}
}
}
static int32_t NewGameCommon(uint8_t *pbuf)
{
int32_t i;
if ((vote_map + vote_episode + voting) != -3)
G_AddUserQuote("Vote Succeeded");
ud.m_level_number = ud.level_number = pbuf[1];
ud.m_volume_number = ud.volume_number = pbuf[2];
ud.m_player_skill = ud.player_skill = pbuf[3];
ud.m_monsters_off = ud.monsters_off = pbuf[4];
ud.m_respawn_monsters = ud.respawn_monsters = pbuf[5];
ud.m_respawn_items = ud.respawn_items = pbuf[6];
ud.m_respawn_inventory = ud.respawn_inventory = pbuf[7];
ud.m_coop = pbuf[8];
ud.m_marker = ud.marker = pbuf[9];
ud.m_ffire = ud.ffire = pbuf[10];
ud.m_noexits = ud.noexits = pbuf[11];
for (TRAVERSE_CONNECT(i))
{
P_ResetWeapons(i);
P_ResetInventory(i);
}
G_NewGame(ud.volume_number,ud.level_number,ud.player_skill);
ud.coop = ud.m_coop;
if (G_EnterLevel(MODE_GAME))
{
G_BackToMenu();
return 1;
}
return 0;
}
static void ParsePacketCommon(uint8_t *pbuf, int32_t packbufleng, int32_t serverpacketp)
{
int32_t i, j;
int32_t other = pbuf[packbufleng];
switch (pbuf[0])
{
case PACKET_MESSAGE:
Bstrncpy(recbuf, (char *)pbuf+2, packbufleng-2);
recbuf[packbufleng-2] = 0;
G_AddUserQuote(recbuf);
S_PlaySound(EXITMENUSOUND);
pus = pub = NUMPAGES;
break;
case PACKET_CLIENT_INFO:
for (i=1; pbuf[i]; i++)
g_player[other].user_name[i-1] = pbuf[i];
g_player[other].user_name[i-1] = 0;
i++;
g_player[other].ps->aim_mode = pbuf[i++];
g_player[other].ps->auto_aim = pbuf[i++];
g_player[other].ps->weaponswitch = pbuf[i++];
g_player[other].ps->palookup = g_player[other].pcolor = pbuf[i++];
g_player[other].pteam = pbuf[i++];
for (j=i; i-j<10; i++) g_player[other].wchoice[i-j] = pbuf[i];
if (serverpacketp)
g_player[other].playerquitflag = 1;
break;
case PACKET_RTS:
if (rts_numlumps == 0) break;
if (ud.config.SoundToggle == 0 || ud.lockout == 1 || ud.config.FXDevice < 0 || !(ud.config.VoiceToggle & 4))
break;
FX_PlayAuto3D((char *)RTS_GetSound(pbuf[1]-1),RTS_SoundLength(pbuf[1]-1),0,0,0,255,-pbuf[1]);
g_RTSPlaying = 7;
break;
case PACKET_USER_MAP:
Bstrcpy(boardfilename,(char *)pbuf+1);
boardfilename[packbufleng-1] = 0;
Bcorrectfilename(boardfilename,0);
if (boardfilename[0] != 0)
{
if ((i = kopen4loadfrommod(boardfilename,0)) < 0)
{
Bmemset(boardfilename,0,sizeof(boardfilename));
Net_SendUserMapName();
}
else kclose(i);
}
if (ud.m_level_number == 7 && ud.m_volume_number == 0 && boardfilename[0] == 0)
ud.m_level_number = 0;
break;
case PACKET_MAP_VOTE:
if (voting == myconnectindex && g_player[(uint8_t)pbuf[1]].gotvote == 0)
{
g_player[(uint8_t)pbuf[1]].gotvote = 1;
g_player[(uint8_t)pbuf[1]].vote = pbuf[2];
Bsprintf(tempbuf,"Confirmed vote from %s",g_player[(uint8_t)pbuf[1]].user_name);
G_AddUserQuote(tempbuf);
}
break;
case PACKET_MAP_VOTE_INITIATE: // call map vote
voting = pbuf[1];
vote_episode = pbuf[2];
vote_map = pbuf[3];
Bsprintf(tempbuf,"%s^00 has called a vote to change map to %s (E%dL%d)",
g_player[(uint8_t)pbuf[1]].user_name,
MapInfo[(uint8_t)(pbuf[2]*MAXLEVELS + pbuf[3])].name,
pbuf[2]+1,pbuf[3]+1);
G_AddUserQuote(tempbuf);
Bsprintf(tempbuf,"Press F1 to Accept, F2 to Decline");
G_AddUserQuote(tempbuf);
for (i=MAXPLAYERS-1; i>=0; i--)
{
g_player[i].vote = 0;
g_player[i].gotvote = 0;
}
g_player[voting].gotvote = g_player[voting].vote = 1;
break;
case PACKET_MAP_VOTE_CANCEL: // cancel map vote
if (voting == pbuf[1])
{
voting = -1;
i = 0;
for (j=MAXPLAYERS-1; j>=0; j--)
i += g_player[j].gotvote;
if (i != numplayers)
Bsprintf(tempbuf,"%s^00 has canceled the vote",g_player[(uint8_t)pbuf[1]].user_name);
else Bsprintf(tempbuf,"Vote Failed");
for (i=MAXPLAYERS-1; i>=0; i--)
{
g_player[i].vote = 0;
g_player[i].gotvote = 0;
}
G_AddUserQuote(tempbuf);
}
break;
}
}
void Net_ParseServerPacket(ENetEvent *event)
{
uint8_t *pbuf = event->packet->data;
int32_t packbufleng = event->packet->dataLength;
int32_t i, j, l;
input_t *nsyn;
--packbufleng; // int32_t other = pbuf[--packbufleng];
#if 0
initprintf("Received Packet: type: %d : len %d\n", pbuf[0], packbufleng);
#endif
switch (pbuf[0])
{
case PACKET_MASTER_TO_SLAVE: //[0] (receive master sync buffer)
if (!(g_player[myconnectindex].ps->gm & MODE_GAME) || g_netSync) return;
j = 0;
packbufleng = qlz_size_decompressed((char *)&pbuf[1]);
pbuf = (uint8_t *)Bcalloc(1, packbufleng+512);
packbufleng = qlz_decompress((char *)&event->packet->data[1], (char *)(pbuf), state_decompress);
ticrandomseed = *(int32_t *)&pbuf[j];
j += sizeof(int32_t);
ud.pause_on = pbuf[j++];
for (TRAVERSE_CONNECT(i))
{
g_player[i].ps->dead_flag = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
g_player[i].playerquitflag = pbuf[j++];
if (g_player[i].playerquitflag == 0) continue;
/* if (i == myconnectindex && !g_player[i].ps->dead_flag)
{
j += offsetof(input_t, filler) +
(sizeof(vec3_t) * 3) + // position and velocity
(sizeof(int16_t) * 3); // ang and horiz
goto process;
}
*/
nsyn = (input_t *)&inputfifo[0][0];
if (i != myconnectindex || g_player[i].ps->dead_flag)
Bmemcpy(&nsyn[i], &pbuf[j], offsetof(input_t, filler));
j += offsetof(input_t, filler);
// Bmemcpy(&g_player[i].ps->opos.x, &g_player[i].ps->pos.x, sizeof(vec3_t));
// Bmemcpy(&g_player[i].ps->pos.x, &pbuf[j], sizeof(vec3_t) * 2);
Bmemcpy(&sprite[g_player[i].ps->i], &pbuf[j], sizeof(vec3_t));
sprite[g_player[i].ps->i].z += PHEIGHT;
j += sizeof(vec3_t) * 2;
Bmemcpy(&g_player[i].ps->vel.x, &pbuf[j], sizeof(vec3_t));
j += sizeof(vec3_t);
if (i != myconnectindex)
{
g_player[i].ps->oang = g_player[i].ps->ang;
g_player[i].ps->ang = sprite[g_player[i].ps->i].ang = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
Bmemcpy(&g_player[i].ps->ohoriz, &g_player[i].ps->horiz, sizeof(int16_t) * 2);
Bmemcpy(&g_player[i].ps->horiz, &pbuf[j], sizeof(int16_t) * 2);
j += sizeof(int16_t) * 2;
}
else j += sizeof(int16_t) * 3;
//process:
g_player[i].ps->gotweapon = *(uint16_t *)&pbuf[j];
j += sizeof(uint16_t);
Bmemcpy(&g_player[i].ps->ammo_amount[0], &pbuf[j], sizeof(g_player[i].ps->ammo_amount));
j += sizeof(g_player[i].ps->ammo_amount);
Bmemcpy(&g_player[i].ps->inv_amount[0], &pbuf[j], sizeof(g_player[i].ps->inv_amount));
j += sizeof(g_player[i].ps->inv_amount);
Bmemcpy(g_player[i].frags, &pbuf[j], sizeof(g_player[i].frags));
j += sizeof(g_player[i].frags);
sprite[g_player[i].ps->i].extra = (uint8_t)pbuf[j++];
sprite[g_player[i].ps->i].cstat = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
g_player[i].ps->kickback_pic = (uint8_t)pbuf[j++];
actor[g_player[i].ps->i].owner = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
actor[g_player[i].ps->i].picnum = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
g_player[i].ps->curr_weapon = (uint8_t)pbuf[j++];
g_player[i].ps->last_weapon = (int8_t)pbuf[j++];
g_player[i].ps->wantweaponfire = (int8_t)pbuf[j++];
g_player[i].ps->weapon_pos = (int8_t)pbuf[j++];
g_player[i].ps->frag_ps = (uint8_t)pbuf[j++];
g_player[i].ps->frag = (uint8_t)pbuf[j++];
g_player[i].ps->fraggedself = (uint8_t)pbuf[j++];
g_player[i].ps->last_extra = (uint8_t)pbuf[j++];
g_player[i].ping = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
g_player[i].ps->newowner = *(int16_t *)&pbuf[j];
j += sizeof(int16_t);
if (g_player[i].ps->newowner == -1 && g_player[i].ps->cursectnum >= 0 && g_player[i].ps->cursectnum < numsectors)
{
updatesectorz(g_player[i].ps->pos.x, g_player[i].ps->pos.y, g_player[i].ps->pos.z,
&g_player[i].ps->cursectnum);
changespritesect(g_player[i].ps->i, g_player[i].ps->cursectnum);
}
sprite[g_player[i].ps->i].pal = (uint8_t)pbuf[j++];
l = i;
i = g_player[l].ps->i;
{
int32_t oa;
j++;
oa = T5;
T5 = *(int32_t *)&pbuf[j];
j += sizeof(int32_t);
if (oa != T5) T3 = T4 = 0;
}
do
{
uint16_t var_id = *(uint16_t *)&pbuf[j];
j += sizeof(int16_t);
if (var_id == MAXGAMEVARS) break;
aGameVars[var_id].val.plValues[i] = *(int32_t *)&pbuf[j];
j += sizeof(int32_t);
}
while (1);
i = l;
do
{
uint16_t var_id = *(uint16_t *)&pbuf[j];
j += sizeof(int16_t);
if (var_id == MAXGAMEVARS) break;
aGameVars[var_id].val.plValues[i] = *(int32_t *)&pbuf[j];
j += sizeof(int32_t);
}
while (1);
}
Bfree(pbuf);
break;
case PACKET_MAP_STREAM:
if (!(g_player[myconnectindex].ps->gm & MODE_GAME) || g_netSync)
return;
if (!streamoutput)
streamoutput = (netmapstate_t *)Bcalloc(1, sizeof(netmapstate_t));
{
usize_t osize = 0;
int ret;
j = 0;
packbufleng = qlz_size_decompressed((char *)&pbuf[1]);
pbuf = (uint8_t *)Bmalloc(packbufleng<<1);
packbufleng = qlz_decompress((char *)&event->packet->data[1], (char *)(pbuf), state_decompress);
initprintf("packbufleng: %d\n", packbufleng);
ret = xd3_decode_memory((const uint8_t *)pbuf, packbufleng,
(const uint8_t *)g_multiMapState[0], sizeof(netmapstate_t),
(uint8_t *)streamoutput, &osize, sizeof(netmapstate_t), XD3_COMPLEVEL_1|XD3_NOCOMPRESS);
initprintf("xdelta3 returned %d\n", ret);
if (sizeof(netmapstate_t) != osize)
initprintf("decompressed data size mismatch!\n");
Net_RestoreMapState(streamoutput);
Bfree(pbuf);
}
break;
case PACKET_NEW_GAME:
if (NewGameCommon(pbuf))
break;
if (g_netSync)
{
packbuf[0] = PACKET_PLAYER_READY;
packbuf[1] = myconnectindex;
if (g_netClientPeer)
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE, enet_packet_create(packbuf, 2, ENET_PACKET_FLAG_RELIABLE));
g_netSync = 0;
Net_RestoreMapState(g_multiMapState[0]);
g_player[myconnectindex].ps->gm = MODE_GAME;
ready2send = 1;
}
break;
case PACKET_VERSION:
if (pbuf[1] != BYTEVERSION || pbuf[2] != (uint8_t)atoi(s_buildDate))
{
initprintf("Server protocol is version %d.%d, expecting %d.%d\n",
pbuf[1], pbuf[2], BYTEVERSION, (uint8_t)atoi(s_buildDate));
initprintf("Server version mismatch! You cannot play Duke with different versions!\n");
g_netDisconnect = 1;
return;
}
Net_SendChallenge();
break;
case PACKET_NUM_PLAYERS:
numplayers = pbuf[1];
playerswhenstarted = pbuf[2];
ud.multimode = pbuf[3];
if (pbuf[4]) // ID of new player
{
g_player[pbuf[4]].playerquitflag = 1;
if (!g_player[pbuf[4]].ps) g_player[pbuf[4]].ps = (DukePlayer_t *) Bcalloc(1,sizeof(DukePlayer_t));
if (!g_player[pbuf[4]].sync) g_player[pbuf[4]].sync = (input_t *) Bcalloc(1,sizeof(input_t));
}
if (pbuf[5] == NET_DEDICATED_SERVER)
g_networkMode = NET_DEDICATED_CLIENT;
for (i=0; i<playerswhenstarted-1; i++) connectpoint2[i] = i+1;
connectpoint2[playerswhenstarted-1] = -1;
S_PlaySound(DUKE_GETWEAPON2);
// myconnectindex is 0 until we get PACKET_PLAYER_INDEX
if (myconnectindex != 0)
Net_SendClientInfo();
break;
// receive client player index from server
case PACKET_PLAYER_INDEX:
myconnectindex = pbuf[1];
g_player[myconnectindex].playerquitflag = 1;
Net_SendClientInfo();
break;
case PACKET_PLAYER_DISCONNECTED:
if ((g_player[myconnectindex].ps->gm & MODE_GAME) && !g_netSync)
P_RemovePlayer(pbuf[1]);
numplayers = pbuf[2];
ud.multimode = pbuf[3];
playerswhenstarted = pbuf[4];
break;
case PACKET_PLAYER_SPAWN:
if (!(g_player[myconnectindex].ps->gm & MODE_GAME) || g_netSync) break;
P_ResetPlayer(pbuf[1]);
Bmemcpy(&g_player[pbuf[1]].ps->pos.x, &pbuf[2], sizeof(vec3_t) * 2);
Bmemcpy(&sprite[g_player[pbuf[1]].ps->i], &pbuf[2], sizeof(vec3_t));
break;
case PACKET_PLAYER_PING:
g_player[0].pingcnt++;
return;
case PACKET_FRAG:
if (!(g_player[myconnectindex].ps->gm & MODE_GAME) || g_netSync) break;
g_player[pbuf[1]].ps->frag_ps = pbuf[2];
actor[g_player[pbuf[1]].ps->i].picnum = pbuf[3];
ticrandomseed = *(int32_t *)&pbuf[4];
P_FragPlayer(pbuf[1]);
break;
default:
ParsePacketCommon(pbuf, packbufleng, 1);
break;
}
}
void Net_ParseClientPacket(ENetEvent *event)
{
uint8_t *pbuf = event->packet->data;
int32_t packbufleng = event->packet->dataLength;
int16_t i, j;
int32_t other = pbuf[--packbufleng];
input_t *nsyn;
#if 0
initprintf("Received Packet: type: %d : len %d\n", pbuf[0], packbufleng);
#endif
switch (pbuf[0])
{
case PACKET_SLAVE_TO_MASTER: //[1] (receive slave sync buffer)
{
const intptr_t playeridx = (intptr_t)event->peer->data;
j = 0;
packbufleng = qlz_size_decompressed((char *)&pbuf[1]);
pbuf = (uint8_t *)Bcalloc(1, packbufleng+512);
packbufleng = qlz_decompress((const char *)&event->packet->data[1], (char *)(pbuf), state_decompress);
nsyn = (input_t *)&inputfifo[0][0];
g_player[other].revision = *(uint32_t *)&pbuf[j];
j += sizeof(uint32_t);
alloc_multimapstate(playeridx);
// XXX: g_multiMapRevisions[...] is NULL when started like
// (peer 1)$ eduke32 -server
// (peer 2)$ eduke32 -connect localhost
// (peer 1 starts some map)
// Bmemcpy(g_multiMapState[playeridx], g_multiMapRevisions[g_player[other].revision&(NET_REVISIONS-1)], sizeof(netmapstate_t));
Bmemcpy(&nsyn[other], &pbuf[j], sizeof(input_t));
j += offsetof(input_t, filler);
// anyone the server thinks is dead can go fuck themselves
if (g_player[other].ps->dead_flag)
{
Bfree(pbuf);
break;
}
else
g_player[other].playerquitflag = 1;
// Bmemcpy(&g_player[other].ps->opos.x, &g_player[other].ps->pos.x, sizeof(vec3_t));
// Bmemcpy(&g_player[other].ps->pos.x, &pbuf[j], sizeof(vec3_t) * 2);
// updatesectorz(g_player[other].ps->pos.x, g_player[other].ps->pos.y, g_player[other].ps->pos.z,
// &g_player[other].ps->cursectnum);
// Bmemcpy(&sprite[g_player[other].ps->i], &pbuf[j], sizeof(vec3_t));
// sprite[g_player[other].ps->i].z += PHEIGHT;
// changespritesect(g_player[other].ps->i, g_player[other].ps->cursectnum);
// Bmemcpy(&g_player[other].ps->npos.x, &pbuf[j], sizeof(vec3_t));
j += sizeof(vec3_t) * 2;
// Bmemcpy(&g_player[other].ps->vel.x, &pbuf[j], sizeof(vec3_t));
j += sizeof(vec3_t);
g_player[other].ps->oang = g_player[other].ps->ang;
Bmemcpy(&g_player[other].ps->ang, &pbuf[j], sizeof(int16_t));
Bmemcpy(&sprite[g_player[other].ps->i].ang, &pbuf[j], sizeof(int16_t));
j += sizeof(int16_t);
Bmemcpy(&g_player[other].ps->ohoriz, &g_player[other].ps->horiz, sizeof(int16_t) * 2);
Bmemcpy(&g_player[other].ps->horiz, &pbuf[j], sizeof(int16_t) * 2);
j += sizeof(int16_t) * 2;
Bfree(pbuf);
break;
}
case PACKET_PLAYER_READY:
j = g_player[other].ps->i;
Bmemcpy(g_player[other].ps, g_player[0].ps, sizeof(DukePlayer_t));
g_player[other].ps->i = j;
changespritestat(j, STAT_PLAYER);
g_player[other].ps->last_extra = sprite[g_player[other].ps->i].extra = g_player[other].ps->max_player_health;
sprite[g_player[other].ps->i].cstat = 1+256;
actor[g_player[other].ps->i].t_data[2] = actor[g_player[other].ps->i].t_data[3] = actor[g_player[other].ps->i].t_data[4] = 0;
P_ResetPlayer(other);
j = 0;
packbuf[j++] = PACKET_PLAYER_SPAWN;
packbuf[j++] = other;
Bmemcpy(&packbuf[j], &g_player[other].ps->pos.x, sizeof(vec3_t) * 2);
j += sizeof(vec3_t) * 2;
packbuf[j++] = 0;
enet_host_broadcast(g_netServer, CHAN_GAMESTATE, enet_packet_create(packbuf, j, ENET_PACKET_FLAG_RELIABLE));
// a player connecting is a good time to mark things as needing to be updated
// we invalidate everything that has changed since we started sending the snapshot of the map to the new player
{
int32_t zz, i, nexti;
for (zz = 0; (unsigned)zz < (sizeof(g_netStatnums)/sizeof(g_netStatnums[0])); zz++)
for (TRAVERSE_SPRITE_STAT(headspritestat[g_netStatnums[zz]], i, nexti))
{
if (lastupdate[i] >= g_player[other].netsynctime)
lastupdate[i] = 0;
}
}
for (i=numwalls-1; i>=0; i--)
if (lastwallupdate[i] >= g_player[other].netsynctime)
lastwallupdate[i] = 0;
for (i=numsectors-1; i>=0; i--)
if (lastsectupdate[i] >= g_player[other].netsynctime)
lastsectupdate[i] = 0;
break;
case PACKET_PLAYER_PING:
if (g_player[myconnectindex].ps->gm & MODE_GAME)
{
packbuf[0] = PACKET_PLAYER_PING;
packbuf[1] = myconnectindex;
enet_peer_send(event->peer, CHAN_GAMESTATE, enet_packet_create(packbuf, 2, ENET_PACKET_FLAG_RELIABLE));
}
g_player[other].pingcnt++;
return;
case PACKET_NEW_GAME:
NewGameCommon(pbuf);
case PACKET_AUTH:
{
uint32_t crc = *(uint32_t *)&pbuf[1];
if (crc == crc32once((uint8_t *)g_netPassword, Bstrlen(g_netPassword)))
Net_SyncPlayer(event);
else
{
enet_peer_disconnect_later(event->peer, DISC_BAD_PASSWORD);
initprintf("Bad password from client.\n");
}
}
break;
case PACKET_REQUEST_GAMESTATE:
if (g_netServer && g_player[0].ps->gm & MODE_GAME)
{
packbuf[0] = PACKET_NEW_GAME;
packbuf[1] = ud.level_number;
packbuf[2] = ud.volume_number;
packbuf[3] = ud.player_skill+1;
packbuf[4] = ud.monsters_off;
packbuf[5] = ud.respawn_monsters;
packbuf[6] = ud.respawn_items;
packbuf[7] = ud.respawn_inventory;
packbuf[8] = ud.coop;
packbuf[9] = ud.marker;
packbuf[10] = ud.ffire;
packbuf[11] = ud.noexits;
packbuf[12] = myconnectindex;
enet_peer_send(event->peer, CHAN_GAMESTATE, enet_packet_create(packbuf, 13, ENET_PACKET_FLAG_RELIABLE));
g_netPlayersWaiting--;
}
break;
default:
ParsePacketCommon(pbuf, packbufleng, 0);
break;
}
}
static void display_betascreen(void)
{
rotatesprite_fs(0,0,65536,0,BETASCREEN,0,0,2+8+16+64);
rotatesprite_fs(160<<16,(104)<<16,60<<10,0,DUKENUKEM,0,0,2+8);
rotatesprite_fs(160<<16,(129)<<16,30<<11,0,THREEDEE,0,0,2+8);
if (PLUTOPAK) // JBF 20030804
rotatesprite_fs(160<<16,(151)<<16,30<<11,0,PLUTOPAKSPRITE+1,0,0,2+8);
}
void Net_GetPackets(void)
{
sampletimer();
MUSIC_Update();
S_Update();
G_HandleSpecialKeys();
if (g_netDisconnect)
{
Net_Disconnect();
g_netDisconnect = 0;
if (g_gameQuit)
G_GameExit(" ");
return;
}
if (g_netServer)
{
ENetEvent event;
// pull events from the wire into the packet queue without dispatching them, once per Net_GetPackets() call
enet_host_service(g_netServer, NULL, 0);
// dispatch any pending events from the local packet queue
while (enet_host_check_events(g_netServer, &event) > 0)
{
const intptr_t playeridx = (intptr_t)event.peer->data;
switch (event.type)
{
case ENET_EVENT_TYPE_CONNECT:
{
char ipaddr[32];
enet_address_get_host_ip(&event.peer->address, ipaddr, sizeof(ipaddr));
initprintf("A new client connected from %s:%u.\n", ipaddr, event.peer->address.port);
Net_SendVersion(event.peer);
break;
}
case ENET_EVENT_TYPE_RECEIVE:
/*
initprintf ("A packet of length %u containing %s was received from player %d on channel %u.\n",
event.packet -> dataLength,
event.packet -> data,
event.peer -> data,
event.channelID);
*/
Net_ParseClientPacket(&event);
// broadcast takes care of enet_packet_destroy itself
// we set the state to disconnected so enet_host_broadcast
// doesn't send the player back his own packets
if ((event.channelID == CHAN_GAMESTATE && event.packet->data[0] > PACKET_BROADCAST)
|| event.channelID == CHAN_CHAT)
{
const ENetPacket *pak = event.packet;
event.peer->state = ENET_PEER_STATE_DISCONNECTED;
enet_host_broadcast(g_netServer, event.channelID,
enet_packet_create(pak->data, pak->dataLength, pak->flags&ENET_PACKET_FLAG_RELIABLE));
event.peer->state = ENET_PEER_STATE_CONNECTED;
}
enet_packet_destroy(event.packet);
g_player[playeridx].ping = (event.peer->lastRoundTripTime + event.peer->roundTripTime)/2;
break;
case ENET_EVENT_TYPE_DISCONNECT:
numplayers--;
ud.multimode--;
P_RemovePlayer(playeridx);
packbuf[0] = PACKET_PLAYER_DISCONNECTED;
packbuf[1] = playeridx;
packbuf[2] = numplayers;
packbuf[3] = ud.multimode;
packbuf[4] = playerswhenstarted;
packbuf[5] = myconnectindex;
enet_host_broadcast(g_netServer, CHAN_GAMESTATE,
enet_packet_create(packbuf, 6, ENET_PACKET_FLAG_RELIABLE));
initprintf("%s disconnected.\n", g_player[playeridx].user_name);
event.peer->data = NULL;
break;
default:
break;
}
}
}
else if (g_netClient)
{
ENetEvent event;
size_t datasiz = 0;
do
{
enet_host_service(g_netClient, NULL, 0);
while (enet_host_check_events(g_netClient, &event) > 0)
{
switch (event.type)
{
case ENET_EVENT_TYPE_RECEIVE:
/*
initprintf("A packet of length %u was received from player %d on channel %u.\n",
event.packet -> dataLength,
event.peer -> data,
event.channelID);
*/
// mapstate transfer from the server... all packets but the last are SYNCPACKETSIZE
if (event.channelID == CHAN_SYNC)
{
static uint8_t *buf = NULL;
if (buf == NULL)
{
g_netSync = 1;
buf = (uint8_t *)Bcalloc(1, sizeof(netmapstate_t)+512);
if (buf == NULL) // TODO: G_GameExit should send a "bye" packet?
G_GameExit("OUT OF MEMORY in Net_GetPackets:sync");
}
alloc_multimapstate(0);
display_betascreen();
Bassert(datasiz+event.packet->dataLength <= sizeof(netmapstate_t)+512);
if (event.packet->dataLength == SYNCPACKETSIZE)
{
char tbuf[64];
Bmemcpy(buf+datasiz, event.packet->data, SYNCPACKETSIZE);
datasiz += SYNCPACKETSIZE;
Bsprintf(tbuf, "Received %d bytes\n", (int32_t)datasiz);
gametext(160,190,tbuf,14,2);
}
else
{
// last packet of mapstate sequence
Bmemcpy(buf+datasiz, event.packet->data, event.packet->dataLength);
datasiz = 0;
if (qlz_size_decompressed((const char *)buf) == sizeof(netmapstate_t))
{
qlz_decompress((const char *)buf, g_multiMapState[0], state_decompress);
packbuf[0] = PACKET_REQUEST_GAMESTATE;
packbuf[1] = myconnectindex;
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE,
enet_packet_create(&packbuf[0], 2, ENET_PACKET_FLAG_RELIABLE));
gametext(160,190,"Transfer Complete",14,2);
}
else
{
initprintf("Invalid map state from server! Decompressed to %u bytes, expected %u.\n",
(uint32_t)qlz_size_decompressed((char *)buf), (uint32_t)sizeof(netmapstate_t));
g_netDisconnect = 1;
g_netSync = 0;
gametext(160,190,"Transfer Error",14,2);
}
Bfree(buf);
buf = NULL;
}
nextpage();
}
else Net_ParseServerPacket(&event);
enet_packet_destroy(event.packet);
break;
case ENET_EVENT_TYPE_DISCONNECT:
g_netDisconnect = 1;
numplayers = playerswhenstarted = ud.multimode = 1;
myconnectindex = screenpeek = 0;
G_BackToMenu();
switch (event.data)
{
case DISC_BAD_PASSWORD:
initprintf("Bad password.\n");
return;
case DISC_KICKED:
initprintf("You have been kicked from the server.\n");
return;
case DISC_BANNED:
initprintf("You are banned from this server.\n");
return;
default:
initprintf("Disconnected.\n");
return;
}
default:
break;
}
}
}
while (datasiz);
}
}
void Net_ClientMove(void)
{
int32_t siz = 1;
input_t *nsyn = (input_t *)&inputfifo[0][myconnectindex];
packbuf[0] = PACKET_SLAVE_TO_MASTER;
*(uint32_t *)&packbuf[siz] = g_player[myconnectindex].revision;
siz += sizeof(uint32_t);
Bmemcpy(&packbuf[siz], &nsyn[0], offsetof(input_t, filler));
siz += offsetof(input_t, filler);
Bmemcpy(&packbuf[siz], &g_player[myconnectindex].ps->pos.x, sizeof(vec3_t) * 2);
siz += sizeof(vec3_t) * 2;
Bmemcpy(&packbuf[siz], &g_player[myconnectindex].ps->vel.x, sizeof(vec3_t));
siz += sizeof(vec3_t);
*(int16_t *)&packbuf[siz] = g_player[myconnectindex].ps->ang;
siz += sizeof(int16_t);
Bmemcpy(&packbuf[siz], &g_player[myconnectindex].ps->horiz, sizeof(int16_t) * 2);
siz += sizeof(int16_t) * 2;
{
char buf[1024];
Bassert((signed)sizeof(buf) >= siz+400);
siz = qlz_compress(packbuf+1, buf, siz, state_compress);
Bmemcpy(packbuf+1, buf, siz);
siz++;
}
packbuf[siz++] = myconnectindex;
enet_peer_send(g_netClientPeer, CHAN_MOVE, enet_packet_create(packbuf, siz, 0));
}
void Net_UpdateClients(void)
{
input_t *osyn = (input_t *)&inputfifo[1][0];
input_t *nsyn = (input_t *)&inputfifo[0][0];
int16_t i, l;
int32_t siz = 1;
if (!g_netServer || numplayers < 2)
{
ticrandomseed = randomseed;
if (g_netServer)
Bmemcpy(&osyn[0], &nsyn[0], sizeof(input_t));
return;
}
packbuf[0] = PACKET_MASTER_TO_SLAVE;
*(int32_t *)&packbuf[siz] = ticrandomseed = randomseed;
siz += sizeof(int32_t);
packbuf[siz++] = ud.pause_on;
for (TRAVERSE_CONNECT(i))
{
Bmemcpy(&osyn[i], &nsyn[i], offsetof(input_t, filler));
*(int16_t *)&packbuf[siz] = g_player[i].ps->dead_flag;
siz += sizeof(int16_t);
packbuf[siz++] = g_player[i].playerquitflag;
if (g_player[i].playerquitflag == 0) continue;
Bmemcpy(&packbuf[siz], &nsyn[i], offsetof(input_t, filler));
siz += offsetof(input_t, filler);
Bmemcpy(&packbuf[siz], &g_player[i].ps->pos.x, sizeof(vec3_t) * 2);
siz += sizeof(vec3_t) * 2;
Bmemcpy(&packbuf[siz], &g_player[i].ps->vel.x, sizeof(vec3_t));
siz += sizeof(vec3_t);
*(int16_t *)&packbuf[siz] = g_player[i].ps->ang;
siz += sizeof(int16_t);
Bmemcpy(&packbuf[siz], &g_player[i].ps->horiz, sizeof(int16_t) * 2);
siz += sizeof(int16_t) * 2;
*(uint16_t *)&packbuf[siz] = g_player[i].ps->gotweapon;
siz += sizeof(uint16_t);
Bmemcpy(&packbuf[siz], &g_player[i].ps->ammo_amount[0], sizeof(g_player[i].ps->ammo_amount));
siz += sizeof(g_player[i].ps->ammo_amount);
Bmemcpy(&packbuf[siz], &g_player[i].ps->inv_amount[0], sizeof(g_player[i].ps->inv_amount));
siz += sizeof(g_player[i].ps->inv_amount);
Bmemcpy(&packbuf[siz], g_player[i].frags, sizeof(g_player[i].frags));
siz += sizeof(g_player[i].frags);
packbuf[siz++] = (uint8_t) sprite[g_player[i].ps->i].extra;
*(int16_t *)&packbuf[siz] = sprite[g_player[i].ps->i].cstat;
siz += sizeof(int16_t);
packbuf[siz++] = (uint8_t) g_player[i].ps->kickback_pic;
*(int16_t *)&packbuf[siz] = actor[g_player[i].ps->i].owner;
siz += sizeof(int16_t);
*(int16_t *)&packbuf[siz] = actor[g_player[i].ps->i].picnum;
siz += sizeof(int16_t);
packbuf[siz++] = (uint8_t) g_player[i].ps->curr_weapon;
packbuf[siz++] = (int8_t) g_player[i].ps->last_weapon;
packbuf[siz++] = (int8_t) g_player[i].ps->wantweaponfire;
packbuf[siz++] = (int8_t) g_player[i].ps->weapon_pos;
packbuf[siz++] = (uint8_t) g_player[i].ps->frag_ps;
packbuf[siz++] = g_player[i].ps->frag;
packbuf[siz++] = g_player[i].ps->fraggedself;
packbuf[siz++] = g_player[i].ps->last_extra;
*(int16_t *)&packbuf[siz] = g_player[i].ping;
siz += sizeof(int16_t);
*(int16_t *)&packbuf[siz] = g_player[i].ps->newowner;
siz += sizeof(int16_t);
packbuf[siz++] = sprite[g_player[i].ps->i].pal;
l = i;
i = g_player[l].ps->i;
{
packbuf[siz++] = 0;
*(int32_t *)&packbuf[siz] = T5;
siz += sizeof(int32_t);
}
{
int16_t ii=g_gameVarCount-1;
for (; ii>=0 && siz <= (SYNCPACKETSIZE-(SYNCPACKETSIZE>>3)); ii--)
{
if ((aGameVars[ii].dwFlags & (GAMEVAR_PERACTOR|GAMEVAR_NOMULTI)) == GAMEVAR_PERACTOR && aGameVars[ii].val.plValues &&
aGameVars[ii].val.plValues[i] != aGameVars[ii].lDefault)
{
*(int16_t *)&packbuf[siz] = ii;
siz += sizeof(int16_t);
*(int32_t *)&packbuf[siz] = aGameVars[ii].val.plValues[i];
siz += sizeof(int32_t);
if (siz >= (SYNCPACKETSIZE-(SYNCPACKETSIZE>>3)))
break;
}
}
*(int16_t *)&packbuf[siz] = MAXGAMEVARS;
siz += sizeof(int16_t);
}
i = l;
{
int16_t ii=g_gameVarCount-1;
for (; ii>=0 && siz <= (SYNCPACKETSIZE-(SYNCPACKETSIZE>>3)); ii--)
{
if ((aGameVars[ii].dwFlags & (GAMEVAR_PERPLAYER|GAMEVAR_NOMULTI)) == GAMEVAR_PERPLAYER && aGameVars[ii].val.plValues &&
aGameVars[ii].val.plValues[i] != aGameVars[ii].lDefault)
{
*(int16_t *)&packbuf[siz] = ii;
siz += sizeof(int16_t);
*(int32_t *)&packbuf[siz] = aGameVars[ii].val.plValues[i];
siz += sizeof(int32_t);
if (siz >= (SYNCPACKETSIZE-(SYNCPACKETSIZE>>3)))
break;
}
}
*(int16_t *)&packbuf[siz] = MAXGAMEVARS;
siz += sizeof(int16_t);
}
}
{
char buf[PACKBUF_SIZE+400];
#if 1
// We're screwed anyway if this fails:
Bassert(siz <= PACKBUF_SIZE);
#else
if (siz >= PACKBUF_SIZE)
{
initprintf("Global packet buffer overflow! Size of packet: %i\n", siz);
return;
}
#endif
siz = qlz_compress(packbuf+1, buf, siz, state_compress);
if (siz >= PACKBUF_SIZE-1)
{
initprintf("Packet buffer overflow! Size of compressed MOVE payload: %d\n", siz);
return;
}
Bmemcpy(packbuf+1, buf, siz);
siz++;
}
packbuf[siz++] = myconnectindex;
enet_host_broadcast(g_netServer, CHAN_MOVE, enet_packet_create(packbuf, siz, 0));
}
void Net_StreamLevel(void)
{
int32_t pi;
int32_t siz = 0;
usize_t osize = sizeof(netmapstate_t);
if (!g_netServer || numplayers < 2)
return;
if (!streamoutput)
streamoutput = (netmapstate_t *)Bcalloc(1, sizeof(netmapstate_t));
for (pi=0; pi<(signed)g_netServer->peerCount; pi++)
{
ENetPeer *const currentPeer = &g_netServer->peers[pi];
const intptr_t playeridx = (intptr_t)currentPeer->data;
if (currentPeer->state != ENET_PEER_STATE_CONNECTED)
continue;
packbuf[siz++] = PACKET_MAP_STREAM;
if (g_multiMapRevisions[g_netMapRevision&(NET_REVISIONS-1)] == NULL)
g_multiMapRevisions[g_netMapRevision&(NET_REVISIONS-1)] = Bcalloc(1, sizeof(netmapstate_t));
Net_SaveMapState(g_multiMapRevisions[g_netMapRevision&(NET_REVISIONS-1)]);
xd3_encode_memory((const uint8_t *)g_multiMapRevisions[g_netMapRevision&(NET_REVISIONS-1)], sizeof(netmapstate_t),
(const uint8_t *)g_multiMapState[playeridx], sizeof(netmapstate_t),
(uint8_t *)streamoutput, &osize, sizeof(netmapstate_t), XD3_COMPLEVEL_1|XD3_NOCOMPRESS);
g_netMapRevision++;
{
char buf[PACKBUF_SIZE+400];
if (osize >= PACKBUF_SIZE)
{
// XXX: this currently happens when e.g. switching levels
initprintf("Packet buffer overflow! GAMESTATE payload size "
"after diff before compress: %u\n", osize);
return;
}
siz = qlz_compress((char *)streamoutput, buf, osize, state_compress);
if (siz >= PACKBUF_SIZE-1)
{
initprintf("Global packet buffer overflow! GAMESTATE payload size "
"after diff and compress: %d\n", siz);
return;
}
Bmemcpy(packbuf+1, buf, siz);
siz++;
}
packbuf[siz++] = myconnectindex;
initprintf("revision %u: final packet size: %d\n", g_netMapRevision-1, siz);
enet_peer_send(currentPeer, CHAN_GAMESTATE, enet_packet_create(packbuf, siz, ENET_PACKET_FLAG_RELIABLE));
}
}
void faketimerhandler(void)
{
if (g_netServer==NULL && g_netClient==NULL)
return;
enet_host_service(g_netServer ? g_netServer : g_netClient, NULL, 0);
}
void Net_EnterMessage(void)
{
int16_t hitstate, i, j, l;
if (g_player[myconnectindex].ps->gm&MODE_SENDTOWHOM)
{
if (g_chatPlayer != -1 || ud.multimode < 3)
{
tempbuf[0] = PACKET_MESSAGE;
tempbuf[2] = 0;
recbuf[0] = 0;
if (ud.multimode < 3)
g_chatPlayer = 2;
if (typebuf[0] == '/' && Btoupper(typebuf[1]) == 'M' && Btoupper(typebuf[2]) == 'E')
{
Bstrcat(recbuf,"* ");
i = 3, j = Bstrlen(typebuf);
Bstrcpy(tempbuf,typebuf);
while (i < j)
{
typebuf[i-3] = tempbuf[i];
i++;
}
typebuf[i-3] = '\0';
Bstrcat(recbuf,g_player[myconnectindex].user_name);
}
else
{
Bstrcat(recbuf,g_player[myconnectindex].user_name);
Bstrcat(recbuf,": ");
}
Bstrcat(recbuf,"^00");
Bstrcat(recbuf,typebuf);
j = Bstrlen(recbuf);
recbuf[j] = 0;
Bstrcat(tempbuf+2,recbuf);
if (g_chatPlayer >= ud.multimode)
{
tempbuf[1] = 255;
tempbuf[j+2] = myconnectindex;
j++;
if (g_netServer) enet_host_broadcast(g_netServer, CHAN_CHAT, enet_packet_create(tempbuf, j+2, 0));
else if (g_netClient) enet_peer_send(g_netClientPeer, CHAN_CHAT, enet_packet_create(tempbuf, j+2, 0));
G_AddUserQuote(recbuf);
quotebot += 8;
l = G_GameTextLen(USERQUOTE_LEFTOFFSET,OSD_StripColors(tempbuf,recbuf));
while (l > (ud.config.ScreenWidth - USERQUOTE_RIGHTOFFSET))
{
l -= (ud.config.ScreenWidth - USERQUOTE_RIGHTOFFSET);
quotebot += 8;
}
quotebotgoal = quotebot;
}
g_chatPlayer = -1;
g_player[myconnectindex].ps->gm &= ~(MODE_TYPE|MODE_SENDTOWHOM);
}
else if (g_chatPlayer == -1)
{
j = 50;
gametext(320>>1,j,"Send message to...",0,2+8+16);
j += 8;
for (TRAVERSE_CONNECT(i))
{
if (i == myconnectindex)
{
minitextshade((320>>1)-40+1,j+1,"A/ENTER - ALL",26,0,2+8+16);
minitext((320>>1)-40,j,"A/ENTER - ALL",0,2+8+16);
j += 7;
}
else
{
Bsprintf(buf," %d - %s",i+1,g_player[i].user_name);
minitextshade((320>>1)-40-6+1,j+1,buf,26,0,2+8+16);
minitext((320>>1)-40-6,j,buf,0,2+8+16);
j += 7;
}
}
minitextshade((320>>1)-40-4+1,j+1," ESC - Abort",26,0,2+8+16);
minitext((320>>1)-40-4,j," ESC - Abort",0,2+8+16);
j += 7;
if (ud.screen_size > 0) j = 200-45;
else j = 200-8;
mpgametext(j,typebuf,0,2+8+16);
if (KB_KeyWaiting())
{
i = KB_GetCh();
if (i == 'A' || i == 'a' || i == 13)
g_chatPlayer = ud.multimode;
else if (i >= '1' || i <= (ud.multimode + '1'))
g_chatPlayer = i - '1';
else
{
g_chatPlayer = ud.multimode;
if (i == 27)
{
g_player[myconnectindex].ps->gm &= ~(MODE_TYPE|MODE_SENDTOWHOM);
g_chatPlayer = -1;
}
else
typebuf[0] = 0;
}
KB_ClearKeyDown(sc_1);
KB_ClearKeyDown(sc_2);
KB_ClearKeyDown(sc_3);
KB_ClearKeyDown(sc_4);
KB_ClearKeyDown(sc_5);
KB_ClearKeyDown(sc_6);
KB_ClearKeyDown(sc_7);
KB_ClearKeyDown(sc_8);
KB_ClearKeyDown(sc_A);
KB_ClearKeyDown(sc_Escape);
KB_ClearKeyDown(sc_Enter);
}
}
}
else
{
if (ud.screen_size > 1) j = 200-45;
else j = 200-8;
if (xdim >= 640 && ydim >= 480)
j = scale(j,ydim,200);
hitstate = Net_EnterText(320>>1,j,typebuf,120,1);
if (hitstate == 1)
{
KB_ClearKeyDown(sc_Enter);
if (Bstrlen(typebuf) == 0)
{
g_player[myconnectindex].ps->gm &= ~(MODE_TYPE|MODE_SENDTOWHOM);
return;
}
if (ud.automsg)
{
if (SHIFTS_IS_PRESSED) g_chatPlayer = -1;
else g_chatPlayer = ud.multimode;
}
g_player[myconnectindex].ps->gm |= MODE_SENDTOWHOM;
}
else if (hitstate == -1)
g_player[myconnectindex].ps->gm &= ~(MODE_TYPE|MODE_SENDTOWHOM);
else pub = NUMPAGES;
}
}
void Net_WaitForServer(void)
{
int32_t server_ready = g_player[0].pingcnt;
if (numplayers < 2 || g_netServer) return;
P_SetGamePalette(g_player[myconnectindex].ps, TITLEPAL, 8+2);
do
{
if (quitevent || keystatus[1]) G_GameExit("");
display_betascreen();
gametext(160,170,"Waiting for server",14,2);
nextpage();
packbuf[0] = PACKET_PLAYER_PING;
packbuf[1] = myconnectindex;
if (g_netClientPeer)
enet_peer_send(g_netClientPeer, CHAN_GAMESTATE, enet_packet_create(packbuf, 2, ENET_PACKET_FLAG_RELIABLE));
handleevents();
Net_GetPackets();
if (g_player[0].pingcnt > server_ready)
{
P_SetGamePalette(g_player[myconnectindex].ps, BASEPAL, 8+2);
return;
}
}
while (1);
}
void Net_ResetPrediction(void)
{
Bmemcpy(&my, &g_player[myconnectindex].ps, sizeof(vec3_t));
Bmemcpy(&omy, &g_player[myconnectindex].ps, sizeof(vec3_t));
Bmemset(&myvel, 0, sizeof(vec3_t));
myang = omyang = g_player[myconnectindex].ps->ang;
myhoriz = omyhoriz = g_player[myconnectindex].ps->horiz;
myhorizoff = omyhorizoff = g_player[myconnectindex].ps->horizoff;
mycursectnum = g_player[myconnectindex].ps->cursectnum;
myjumpingcounter = g_player[myconnectindex].ps->jumping_counter;
myjumpingtoggle = g_player[myconnectindex].ps->jumping_toggle;
myonground = g_player[myconnectindex].ps->on_ground;
myhardlanding = g_player[myconnectindex].ps->hard_landing;
myreturntocenter = g_player[myconnectindex].ps->return_to_center;
}
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