/*
=================
G_NewEntity
Either finds a free entity, or allocates a new one.
The slots from 0 to MAX_CLIENTS-1 are always reserved for clients, and will
never be used by anything else.
Try to avoid reusing an entity that was recently freed, because it
can cause the client to think the entity morphed into something else
instead of being removed and recreated, which can cause interpolated
angles and bad trails.
=================
*/
gentity_t *G_NewEntity()
{
int i, force;
gentity_t *newEntity;
newEntity = nullptr; // shut up warning
i = 0; // shut up warning
for ( force = 0; force < 2; force++ )
{
// if we go through all entities first and can't find a free one,
// then try again a second time, this time ignoring times
newEntity = &g_entities[ MAX_CLIENTS ];
for ( i = MAX_CLIENTS; i < level.num_entities; i++, newEntity++ )
{
if ( newEntity->inuse )
{
continue;
}
// the first couple seconds of server time can involve a lot of
// freeing and allocating, so relax the replacement policy
if ( !force && newEntity->freetime > level.startTime + 2000 && level.time - newEntity->freetime < 1000 )
{
continue;
}
// reuse this slot
G_InitGentity( newEntity );
return newEntity;
}
if ( i != MAX_GENTITIES )
{
break;
}
}
if ( i == ENTITYNUM_MAX_NORMAL )
{
for ( i = 0; i < MAX_GENTITIES; i++ )
{
G_Printf( "%4i: %s\n", i, g_entities[ i ].classname );
}
G_Error( "G_Spawn: no free entities" );
}
// open up a new slot
level.num_entities++;
// let the server system know that there are more entities
trap_LocateGameData( level.gentities, level.num_entities, sizeof( gentity_t ),
&level.clients[ 0 ].ps, sizeof( level.clients[ 0 ] ) );
G_InitGentity( newEntity );
return newEntity;
}
/*
=================
G_Spawn
Either finds a free entity, or allocates a new one.
The slots from 0 to MAX_CLIENTS-1 are always reserved for clients, and will
never be used by anything else.
Try to avoid reusing an entity that was recently freed, because it
can cause the client to think the entity morphed into something else
instead of being removed and recreated, which can cause interpolated
angles and bad trails.
=================
*/
gentity_t *G_Spawn(void)
{
int i, force;
gentity_t *e;
e = NULL; // shut up warning
i = 0; // shut up warning
for (force = 0; force < 2; force++)
{
// if we go through all entities and can't find one to free,
// override the normal minimum times before use
e = &g_entities[MAX_CLIENTS];
for (i = MAX_CLIENTS; i < level.num_entities; i++, e++)
{
if (e->inuse)
{
continue;
}
// the first couple seconds of server time can involve a lot of
// freeing and allocating, so relax the replacement policy
if (!force && e->freetime > level.startTime + 2000 && level.time - e->freetime < 1000)
{
continue;
}
// reuse this slot
G_InitGentity(e);
return e;
}
if (i != ENTITYNUM_MAX_NORMAL)
{
break;
}
}
if (i == ENTITYNUM_MAX_NORMAL)
{
for (i = 0; i < MAX_GENTITIES; i++)
{
G_Printf("%4i: %s\n", i, g_entities[i].classname);
}
G_Error("G_Spawn: no free entities");
}
// open up a new slot
level.num_entities++;
// let the server system know that there are more entities
trap_LocateGameData(level.gentities, level.num_entities, sizeof(gentity_t), &level.clients[0].ps, sizeof(level.clients[0]));
G_InitGentity(e);
return e;
}
/*
============
G_InitGame
============
*/
void G_InitGame( int levelTime, int randomSeed, int restart ) {
int i;
G_Printf ("------- Game Initialization -------\n");
G_Printf ("gamename: %s\n", GAMEVERSION);
G_Printf ("gamedate: %s\n", __DATE__);
srand( randomSeed );
G_RegisterCvars();
G_ProcessIPBans();
G_InitMemory();
// set some level globals
memset( &level, 0, sizeof( level ) );
level.time = levelTime;
level.startTime = levelTime;
level.snd_fry = G_SoundIndex("sound/player/fry.wav"); // FIXME standing in lava / slime
if ( g_gametype.integer != GT_SINGLE_PLAYER && g_logfile.string[0] ) {
if ( g_logfileSync.integer ) {
trap_FS_FOpenFile( g_logfile.string, &level.logFile, FS_APPEND_SYNC );
} else {
trap_FS_FOpenFile( g_logfile.string, &level.logFile, FS_APPEND );
}
if ( !level.logFile ) {
G_Printf( "WARNING: Couldn't open logfile: %s\n", g_logfile.string );
} else {
char serverinfo[MAX_INFO_STRING];
trap_GetServerinfo( serverinfo, sizeof( serverinfo ) );
G_LogPrintf("------------------------------------------------------------\n" );
G_LogPrintf("InitGame: %s\n", serverinfo );
}
} else {
G_Printf( "Not logging to disk.\n" );
}
G_InitWorldSession();
// initialize all entities for this game
memset( g_entities, 0, MAX_GENTITIES * sizeof(g_entities[0]) );
level.gentities = g_entities;
// initialize all clients for this game
level.maxclients = g_maxclients.integer;
memset( g_clients, 0, MAX_CLIENTS * sizeof(g_clients[0]) );
level.clients = g_clients;
// set client fields on player ents
for ( i=0 ; i<level.maxclients ; i++ ) {
g_entities[i].client = level.clients + i;
}
// always leave room for the max number of clients,
// even if they aren't all used, so numbers inside that
// range are NEVER anything but clients
level.num_entities = MAX_CLIENTS;
for ( i=0 ; i<MAX_CLIENTS ; i++ ) {
g_entities[i].classname = "clientslot";
}
// let the server system know where the entites are
trap_LocateGameData( level.gentities, level.num_entities, sizeof( gentity_t ),
&level.clients[0].ps, sizeof( level.clients[0] ) );
// reserve some spots for dead player bodies
InitBodyQue();
ClearRegisteredItems();
// parse the key/value pairs and spawn gentities
G_SpawnEntitiesFromString();
// general initialization
G_FindTeams();
// make sure we have flags for CTF, etc
if( g_gametype.integer >= GT_TEAM ) {
G_CheckTeamItems();
}
SaveRegisteredItems();
G_Printf ("-----------------------------------\n");
if( g_gametype.integer == GT_SINGLE_PLAYER || trap_Cvar_VariableIntegerValue( "com_buildScript" ) ) {
G_ModelIndex( SP_PODIUM_MODEL );
}
if ( trap_Cvar_VariableIntegerValue( "bot_enable" ) ) {
BotAISetup( restart );
BotAILoadMap( restart );
G_InitBots( restart );
}
G_RemapTeamShaders();
}