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sv_init.c
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sv_init.c
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/*
Copyright (C) 1997-2001 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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 "server.h"
server_static_t svs; // persistant server info
server_t sv; // local server
/*
================
SV_FindIndex
================
*/
int SV_FindIndex (char *name, int start, int max, qboolean create)
{
int i;
if (!name || !name[0])
return 0;
for (i=1 ; i<max && sv.configstrings[start+i][0] ; i++)
if (!strcmp(sv.configstrings[start+i], name))
return i;
if (!create)
return 0;
if (i == max)
Com_Error (ERR_DROP, "*Index: overflow");
strncpy (sv.configstrings[start+i], name, sizeof(sv.configstrings[i]));
if (sv.state != ss_loading)
{ // send the update to everyone
SZ_Clear (&sv.multicast);
MSG_WriteChar (&sv.multicast, svc_configstring);
MSG_WriteShort (&sv.multicast, start+i);
MSG_WriteString (&sv.multicast, name);
SV_Multicast (vec3_origin, MULTICAST_ALL_R);
}
return i;
}
int SV_ModelIndex (char *name)
{
return SV_FindIndex (name, CS_MODELS, MAX_MODELS, true);
}
int SV_SoundIndex (char *name)
{
return SV_FindIndex (name, CS_SOUNDS, MAX_SOUNDS, true);
}
int SV_ImageIndex (char *name)
{
return SV_FindIndex (name, CS_IMAGES, MAX_IMAGES, true);
}
/*
================
SV_CreateBaseline
Entity baselines are used to compress the update messages
to the clients -- only the fields that differ from the
baseline will be transmitted
================
*/
void SV_CreateBaseline (void)
{
edict_t *svent;
int entnum;
for (entnum = 1; entnum < ge->num_edicts ; entnum++)
{
svent = EDICT_NUM(entnum);
if (!svent->inuse)
continue;
if (!svent->s.modelindex && !svent->s.sound && !svent->s.effects)
continue;
svent->s.number = entnum;
//
// take current state as baseline
//
VectorCopy (svent->s.origin, svent->s.old_origin);
sv.baselines[entnum] = svent->s;
}
}
/*
=================
SV_CheckForSavegame
=================
*/
void SV_CheckForSavegame (void)
{
char name[MAX_OSPATH];
FILE *f;
int i;
if (sv_noreload->value)
return;
if (Cvar_VariableValue ("deathmatch"))
return;
Com_sprintf (name, sizeof(name), "%s/save/current/%s.sav", FS_Gamedir(), sv.name);
f = fopen (name, "rb");
if (!f)
return; // no savegame
fclose (f);
SV_ClearWorld ();
// get configstrings and areaportals
SV_ReadLevelFile ();
if (!sv.loadgame)
{ // coming back to a level after being in a different
// level, so run it for ten seconds
// rlava2 was sending too many lightstyles, and overflowing the
// reliable data. temporarily changing the server state to loading
// prevents these from being passed down.
server_state_t previousState; // PGM
previousState = sv.state; // PGM
sv.state = ss_loading; // PGM
for (i=0 ; i<100 ; i++)
ge->RunFrame ();
sv.state = previousState; // PGM
}
}
/*
================
SV_SpawnServer
Change the server to a new map, taking all connected
clients along with it.
================
*/
void SV_SpawnServer (char *server, char *spawnpoint, server_state_t serverstate, qboolean attractloop, qboolean loadgame)
{
int i;
unsigned checksum;
if (attractloop)
Cvar_Set ("paused", "0");
Com_Printf ("------- Server Initialization -------\n");
Com_DPrintf ("SpawnServer: %s\n",server);
if (sv.demofile)
fclose (sv.demofile);
svs.spawncount++; // any partially connected client will be
// restarted
sv.state = ss_dead;
Com_SetServerState (sv.state);
// wipe the entire per-level structure
memset (&sv, 0, sizeof(sv));
svs.realtime = 0;
sv.loadgame = loadgame;
sv.attractloop = attractloop;
// save name for levels that don't set message
strcpy (sv.configstrings[CS_NAME], server);
if (Cvar_VariableValue ("deathmatch"))
{
sprintf(sv.configstrings[CS_AIRACCEL], "%g", sv_airaccelerate->value);
pm_airaccelerate = sv_airaccelerate->value;
}
else
{
strcpy(sv.configstrings[CS_AIRACCEL], "0");
pm_airaccelerate = 0;
}
SZ_Init (&sv.multicast, sv.multicast_buf, sizeof(sv.multicast_buf));
strcpy (sv.name, server);
// leave slots at start for clients only
for (i=0 ; i<maxclients->value ; i++)
{
// needs to reconnect
if (svs.clients[i].state > cs_connected)
svs.clients[i].state = cs_connected;
svs.clients[i].lastframe = -1;
}
sv.time = 1000;
strcpy (sv.name, server);
strcpy (sv.configstrings[CS_NAME], server);
if (serverstate != ss_game)
{
sv.models[1] = CM_LoadMap ("", false, &checksum); // no real map
}
else
{
Com_sprintf (sv.configstrings[CS_MODELS+1],sizeof(sv.configstrings[CS_MODELS+1]),
"maps/%s.bsp", server);
sv.models[1] = CM_LoadMap (sv.configstrings[CS_MODELS+1], false, &checksum);
}
Com_sprintf (sv.configstrings[CS_MAPCHECKSUM],sizeof(sv.configstrings[CS_MAPCHECKSUM]),
"%i", checksum);
//
// clear physics interaction links
//
SV_ClearWorld ();
for (i=1 ; i< CM_NumInlineModels() ; i++)
{
Com_sprintf (sv.configstrings[CS_MODELS+1+i], sizeof(sv.configstrings[CS_MODELS+1+i]),
"*%i", i);
sv.models[i+1] = CM_InlineModel (sv.configstrings[CS_MODELS+1+i]);
}
//
// spawn the rest of the entities on the map
//
// precache and static commands can be issued during
// map initialization
sv.state = ss_loading;
Com_SetServerState (sv.state);
// load and spawn all other entities
ge->SpawnEntities ( sv.name, CM_EntityString(), spawnpoint );
// run two frames to allow everything to settle
ge->RunFrame ();
ge->RunFrame ();
// all precaches are complete
sv.state = serverstate;
Com_SetServerState (sv.state);
// create a baseline for more efficient communications
SV_CreateBaseline ();
// check for a savegame
SV_CheckForSavegame ();
// set serverinfo variable
Cvar_FullSet ("mapname", sv.name, CVAR_SERVERINFO | CVAR_NOSET);
Com_Printf ("-------------------------------------\n");
}
/*
==============
SV_InitGame
A brand new game has been started
==============
*/
void SV_InitGame (void)
{
int i;
edict_t *ent;
char idmaster[32];
if (svs.initialized)
{
// cause any connected clients to reconnect
SV_Shutdown ("Server restarted\n", true);
}
else
{
// make sure the client is down
CL_Drop ();
SCR_BeginLoadingPlaque ();
}
// get any latched variable changes (maxclients, etc)
Cvar_GetLatchedVars ();
svs.initialized = true;
if (Cvar_VariableValue ("coop") && Cvar_VariableValue ("deathmatch"))
{
Com_Printf("Deathmatch and Coop both set, disabling Coop\n");
Cvar_FullSet ("coop", "0", CVAR_SERVERINFO | CVAR_LATCH);
}
// dedicated servers are can't be single player and are usually DM
// so unless they explicity set coop, force it to deathmatch
if (dedicated->value)
{
if (!Cvar_VariableValue ("coop"))
Cvar_FullSet ("deathmatch", "1", CVAR_SERVERINFO | CVAR_LATCH);
}
// init clients
if (Cvar_VariableValue ("deathmatch"))
{
if (maxclients->value <= 1)
Cvar_FullSet ("maxclients", "8", CVAR_SERVERINFO | CVAR_LATCH);
else if (maxclients->value > MAX_CLIENTS)
Cvar_FullSet ("maxclients", va("%i", MAX_CLIENTS), CVAR_SERVERINFO | CVAR_LATCH);
}
else if (Cvar_VariableValue ("coop"))
{
if (maxclients->value <= 1 || maxclients->value > 4)
Cvar_FullSet ("maxclients", "4", CVAR_SERVERINFO | CVAR_LATCH);
#ifdef COPYPROTECT
if (!sv.attractloop && !dedicated->value)
Sys_CopyProtect ();
#endif
}
else // non-deathmatch, non-coop is one player
{
Cvar_FullSet ("maxclients", "1", CVAR_SERVERINFO | CVAR_LATCH);
#ifdef COPYPROTECT
if (!sv.attractloop)
Sys_CopyProtect ();
#endif
}
svs.spawncount = rand();
svs.clients = Z_Malloc (sizeof(client_t)*maxclients->value);
svs.num_client_entities = maxclients->value*UPDATE_BACKUP*64;
svs.client_entities = Z_Malloc (sizeof(entity_state_t)*svs.num_client_entities);
// init network stuff
NET_Config ( (maxclients->value > 1) );
// heartbeats will always be sent to the id master
svs.last_heartbeat = -99999; // send immediately
Com_sprintf(idmaster, sizeof(idmaster), "192.246.40.37:%i", PORT_MASTER);
NET_StringToAdr (idmaster, &master_adr[0]);
// init game
SV_InitGameProgs ();
for (i=0 ; i<maxclients->value ; i++)
{
ent = EDICT_NUM(i+1);
ent->s.number = i+1;
svs.clients[i].edict = ent;
memset (&svs.clients[i].lastcmd, 0, sizeof(svs.clients[i].lastcmd));
}
}
/*
======================
SV_Map
the full syntax is:
map [*]<map>$<startspot>+<nextserver>
command from the console or progs.
Map can also be a.cin, .pcx, or .dm2 file
Nextserver is used to allow a cinematic to play, then proceed to
another level:
map tram.cin+jail_e3
======================
*/
void SV_Map (qboolean attractloop, char *levelstring, qboolean loadgame)
{
char level[MAX_QPATH];
char *ch;
int l;
char spawnpoint[MAX_QPATH];
sv.loadgame = loadgame;
sv.attractloop = attractloop;
if (sv.state == ss_dead && !sv.loadgame)
SV_InitGame (); // the game is just starting
strcpy (level, levelstring);
// if there is a + in the map, set nextserver to the remainder
ch = strstr(level, "+");
if (ch)
{
*ch = 0;
Cvar_Set ("nextserver", va("gamemap \"%s\"", ch+1));
}
else
Cvar_Set ("nextserver", "");
//ZOID special hack for end game screen in coop mode
if (Cvar_VariableValue ("coop") && !Q_stricmp(level, "victory.pcx"))
Cvar_Set ("nextserver", "gamemap \"*base1\"");
// if there is a $, use the remainder as a spawnpoint
ch = strstr(level, "$");
if (ch)
{
*ch = 0;
strcpy (spawnpoint, ch+1);
}
else
spawnpoint[0] = 0;
// skip the end-of-unit flag if necessary
if (level[0] == '*')
strcpy (level, level+1);
l = strlen(level);
if (l > 4 && !strcmp (level+l-4, ".cin") )
{
SCR_BeginLoadingPlaque (); // for local system
SV_BroadcastCommand ("changing\n");
SV_SpawnServer (level, spawnpoint, ss_cinematic, attractloop, loadgame);
}
else if (l > 4 && !strcmp (level+l-4, ".dm2") )
{
SCR_BeginLoadingPlaque (); // for local system
SV_BroadcastCommand ("changing\n");
SV_SpawnServer (level, spawnpoint, ss_demo, attractloop, loadgame);
}
else if (l > 4 && !strcmp (level+l-4, ".pcx") )
{
SCR_BeginLoadingPlaque (); // for local system
SV_BroadcastCommand ("changing\n");
SV_SpawnServer (level, spawnpoint, ss_pic, attractloop, loadgame);
}
else
{
SCR_BeginLoadingPlaque (); // for local system
SV_BroadcastCommand ("changing\n");
SV_SendClientMessages ();
SV_SpawnServer (level, spawnpoint, ss_game, attractloop, loadgame);
Cbuf_CopyToDefer ();
}
SV_BroadcastCommand ("reconnect\n");
}