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xash3d-fwgs/engine/server/sv_game.c

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/*
sv_game.c - gamedll interaction
Copyright (C) 2008 Uncle Mike
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 3 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.
*/
#include "common.h"
#include "server.h"
#include "net_encode.h"
#include "event_flags.h"
#include "library.h"
#include "pm_defs.h"
#include "studio.h"
#include "const.h"
#include "render_api.h" // modelstate_t
#include "ref_common.h" // decals
// GameAPI functions declarations
static int GAME_EXPORT pfnModelIndex( const char *m );
// fatpvs stuff
static byte fatphs[(MAX_MAP_LEAFS+7)/8];
static byte clientpvs[(MAX_MAP_LEAFS+7)/8]; // for find client in PVS
// exports
typedef void (__cdecl *LINK_ENTITY_FUNC)( entvars_t *pev );
typedef void (__stdcall *GIVEFNPTRSTODLL)( enginefuncs_t* engfuncs, globalvars_t *pGlobals );
#ifndef NDEBUG
qboolean SV_CheckEdict( const edict_t *e, const char *file, const int line )
{
int n;
if( !e ) return false; // may be NULL
n = ((int)((edict_t *)(e) - svgame.edicts));
if(( n >= 0 ) && ( n < GI->max_edicts ))
return !e->free;
Con_Printf( "bad entity %i (called at %s:%i)\n", n, file, line );
return false;
}
#endif
static edict_t *SV_PEntityOfEntIndex( const int iEntIndex, const qboolean allentities )
{
if( iEntIndex >= 0 && iEntIndex < GI->max_edicts )
{
edict_t *pEdict = EDICT_NUM( iEntIndex );
qboolean player = allentities ? iEntIndex <= svs.maxclients : iEntIndex < svs.maxclients;
if( !iEntIndex || FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE ))
return pEdict; // just get access to array
if( SV_IsValidEdict( pEdict ) && pEdict->pvPrivateData )
return pEdict;
// g-cont: world and clients can be accessed even without private data
if( SV_IsValidEdict( pEdict ) && player )
return pEdict;
}
return NULL;
}
/*
=============
EntvarsDescription
entavrs table for FindEntityByString
=============
*/
static const TYPEDESCRIPTION gEntvarsDescription[] =
{
DEFINE_ENTITY_FIELD( classname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( globalname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( model, FIELD_MODELNAME ),
DEFINE_ENTITY_FIELD( viewmodel, FIELD_MODELNAME ),
DEFINE_ENTITY_FIELD( weaponmodel, FIELD_MODELNAME ),
DEFINE_ENTITY_FIELD( target, FIELD_STRING ),
DEFINE_ENTITY_FIELD( targetname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( netname, FIELD_STRING ),
DEFINE_ENTITY_FIELD( message, FIELD_STRING ),
DEFINE_ENTITY_FIELD( noise, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( noise1, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( noise2, FIELD_SOUNDNAME ),
DEFINE_ENTITY_FIELD( noise3, FIELD_SOUNDNAME ),
};
/*
=============
SV_SysError
tell the game.dll about system error
=============
*/
void SV_SysError( const char *error_string )
{
Log_Printf( "FATAL ERROR (shutting down): %s\n", error_string );
if( svgame.hInstance != NULL )
svgame.dllFuncs.pfnSys_Error( error_string );
}
/*
=============
SV_Serverinfo
get server infostring
=============
*/
char *SV_Serverinfo( void )
{
return svs.serverinfo;
}
/*
=============
SV_AngleMod
do modulo on entity angles
=============
*/
static float SV_AngleMod( float ideal, float current, float speed )
{
float move;
current = anglemod( current );
if( current == ideal ) // already there?
return current;
move = ideal - current;
if( ideal > current )
{
if( move >= 180 )
move = move - 360;
}
else
{
if( move <= -180 )
move = move + 360;
}
if( move > 0 )
{
if( move > speed )
move = speed;
}
else
{
if( move < -speed )
move = -speed;
}
return anglemod( current + move );
}
/*
=============
SV_SetMinMaxSize
update entity bounds, relink into world
=============
*/
void SV_SetMinMaxSize( edict_t *e, const float *mins, const float *maxs, qboolean relink )
{
int i;
if( !SV_IsValidEdict( e ))
return;
for( i = 0; i < 3; i++ )
{
if( mins[i] > maxs[i] )
{
Con_Printf( S_ERROR "%s[%i] has backwards mins/maxs\n", SV_ClassName( e ), NUM_FOR_EDICT( e ));
if( relink ) SV_LinkEdict( e, false ); // just relink edict and exit
return;
}
}
VectorCopy( mins, e->v.mins );
VectorCopy( maxs, e->v.maxs );
VectorSubtract( maxs, mins, e->v.size );
if( relink ) SV_LinkEdict( e, false );
}
/*
=============
SV_CopyTraceToGlobal
each trace will share their result into global state
=============
*/
void SV_CopyTraceToGlobal( trace_t *trace )
{
svgame.globals->trace_allsolid = trace->allsolid;
svgame.globals->trace_startsolid = trace->startsolid;
svgame.globals->trace_fraction = trace->fraction;
svgame.globals->trace_plane_dist = trace->plane.dist;
svgame.globals->trace_inopen = trace->inopen;
svgame.globals->trace_inwater = trace->inwater;
VectorCopy( trace->endpos, svgame.globals->trace_endpos );
VectorCopy( trace->plane.normal, svgame.globals->trace_plane_normal );
svgame.globals->trace_hitgroup = trace->hitgroup;
svgame.globals->trace_flags = 0; // g-cont: always reset config flags when trace is finished
if( SV_IsValidEdict( trace->ent ))
svgame.globals->trace_ent = trace->ent;
else svgame.globals->trace_ent = svgame.edicts;
}
/*
==============
SV_SetModel
==============
*/
void GAME_EXPORT SV_SetModel( edict_t *ent, const char *modelname )
{
char name[MAX_QPATH];
model_t *mod;
int i = 1;
if( !SV_IsValidEdict( ent ))
{
Con_Printf( S_WARN "%s: invalid entity %s\n", __func__, SV_ClassName( ent ));
return;
}
if( !modelname || ((byte)modelname[0] ) <= ' ' )
{
Con_Printf( S_WARN "%s: null name\n", __func__ );
return;
}
if( *modelname == '\\' || *modelname == '/' )
modelname++;
Q_strncpy( name, modelname, sizeof( name ));
COM_FixSlashes( name );
i = SV_ModelIndex( name );
if( i == 0 )
{
if( sv.state == ss_active )
Con_Printf( S_ERROR "%s: failed to set model %s: world model cannot be changed\n", __func__, name );
return;
}
if( COM_CheckString( name ))
{
ent->v.model = MAKE_STRING( sv.model_precache[i] );
ent->v.modelindex = i;
mod = sv.models[i];
}
else
{
// model will be cleared
ent->v.model = ent->v.modelindex = 0;
mod = NULL;
}
// set the model size
if( mod && mod->type != mod_studio )
SV_SetMinMaxSize( ent, mod->mins, mod->maxs, true );
else SV_SetMinMaxSize( ent, vec3_origin, vec3_origin, true );
}
/*
=============
SV_ConvertTrace
convert trace_t to TraceResult
=============
*/
static void SV_ConvertTrace( TraceResult *dst, trace_t *src )
{
if( !src || !dst ) return;
dst->fAllSolid = src->allsolid;
dst->fStartSolid = src->startsolid;
dst->fInOpen = src->inopen;
dst->fInWater = src->inwater;
dst->flFraction = src->fraction;
VectorCopy( src->endpos, dst->vecEndPos );
dst->flPlaneDist = src->plane.dist;
VectorCopy( src->plane.normal, dst->vecPlaneNormal );
dst->pHit = src->ent;
dst->iHitgroup = src->hitgroup;
// g-cont: always reset config flags when trace is finished
svgame.globals->trace_flags = 0;
}
/*
=============
SV_CheckClientVisiblity
Check visibility through client camera, portal camera, etc
=============
*/
static qboolean SV_CheckClientVisiblity( sv_client_t *cl, const byte *mask )
{
int i, clientnum;
vec3_t vieworg;
mleaf_t *leaf;
if( !mask ) return true; // GoldSrc rules
clientnum = cl - svs.clients;
// Invasion issues: wrong camera position received in ENGINE_SET_PVS
if( cl->pViewEntity )
VectorCopy( cl->pViewEntity->v.origin, vieworg );
else
VectorCopy( cl->edict->v.origin, vieworg );
leaf = Mod_PointInLeaf( vieworg, sv.worldmodel->nodes );
if( CHECKVISBIT( mask, leaf->cluster ))
return true; // visible from player view or camera view
// now check all the portal cameras
for( i = 0; i < cl->num_viewents; i++ )
{
edict_t *view = cl->viewentity[i];
if( !SV_IsValidEdict( view ))
continue;
VectorAdd( view->v.origin, view->v.view_ofs, vieworg );
leaf = Mod_PointInLeaf( vieworg, sv.worldmodel->nodes );
if( CHECKVISBIT( mask, leaf->cluster ))
return true; // visible from portal camera view
}
// not visible from any viewpoint
return false;
}
/*
=================
SV_Multicast
Sends the contents of sv.multicast to a subset of the clients,
then clears sv.multicast.
MSG_INIT write message into signon buffer
MSG_ONE send to one client (ent can't be NULL)
MSG_ALL same as broadcast (origin can be NULL)
MSG_PVS send to clients potentially visible from org
MSG_PHS send to clients potentially audible from org
=================
*/
static int SV_Multicast( int dest, const vec3_t origin, const edict_t *ent, qboolean usermessage, qboolean filter )
{
byte *mask = NULL;
int j, numclients = svs.maxclients;
sv_client_t *cl, *current = svs.clients;
qboolean reliable = false;
qboolean specproxy = false;
int numsends = 0;
// some mods trying to send messages after SV_FinalMessage
if( !svs.initialized || sv.state == ss_dead )
{
MSG_Clear( &sv.multicast );
return 0;
}
switch( dest )
{
case MSG_INIT:
if( sv.state == ss_loading )
{
// copy to signon buffer
MSG_WriteBits( &sv.signon, MSG_GetData( &sv.multicast ), MSG_GetNumBitsWritten( &sv.multicast ));
MSG_Clear( &sv.multicast );
return 1;
}
// intentional fallthrough (in-game MSG_INIT it's a MSG_ALL reliable)
case MSG_ALL:
reliable = true;
// intentional fallthrough
case MSG_BROADCAST:
// nothing to sort
break;
case MSG_PAS_R:
reliable = true;
// intentional fallthrough
case MSG_PAS:
if( origin == NULL ) return false;
// NOTE: GoldSource not using PHS for singleplayer
Mod_FatPVS( origin, FATPHS_RADIUS, fatphs, world.fatbytes, false, ( svs.maxclients == 1 ), true );
mask = fatphs; // using the FatPVS like a PHS
break;
case MSG_PVS_R:
reliable = true;
// intentional fallthrough
case MSG_PVS:
if( origin == NULL ) return 0;
mask = Mod_GetPVSForPoint( origin );
break;
case MSG_ONE:
reliable = true;
// intentional fallthrough
case MSG_ONE_UNRELIABLE:
if( !SV_IsValidEdict( ent )) return 0;
j = NUM_FOR_EDICT( ent );
if( j < 1 || j > numclients ) return 0;
current = svs.clients + (j - 1);
numclients = 1; // send to one
break;
case MSG_SPEC:
specproxy = reliable = true;
break;
default:
Host_Error( "%s: bad dest: %i\n", __func__, dest );
return 0;
}
// send the data to all relevent clients (or once only)
for( j = 0, cl = current; j < numclients; j++, cl++ )
{
if( cl->state == cs_free || cl->state == cs_zombie )
continue;
if( cl->state != cs_spawned && ( !reliable || usermessage ))
continue;
if( specproxy && !FBitSet( cl->flags, FCL_HLTV_PROXY ))
continue;
if( !cl->edict || FBitSet( cl->flags, FCL_FAKECLIENT ))
continue;
// reject step sounds while predicting is enabled
// FIXME: make sure what this code doesn't cutoff something important!!!
if( filter && cl == sv.current_client && FBitSet( sv.current_client->flags, FCL_PREDICT_MOVEMENT ))
continue;
if( SV_IsValidEdict( ent ) && ent->v.groupinfo && cl->edict->v.groupinfo )
{
if( svs.groupop == GROUP_OP_AND && !FBitSet( cl->edict->v.groupinfo, ent->v.groupinfo ))
continue;
if( svs.groupop == GROUP_OP_NAND && FBitSet( cl->edict->v.groupinfo, ent->v.groupinfo ))
continue;
}
if( !SV_CheckClientVisiblity( cl, mask ))
continue;
if( specproxy ) MSG_WriteBits( &sv.spec_datagram, MSG_GetData( &sv.multicast ), MSG_GetNumBitsWritten( &sv.multicast ));
else if( reliable ) MSG_WriteBits( &cl->netchan.message, MSG_GetData( &sv.multicast ), MSG_GetNumBitsWritten( &sv.multicast ));
else MSG_WriteBits( &cl->datagram, MSG_GetData( &sv.multicast ), MSG_GetNumBitsWritten( &sv.multicast ));
numsends++;
}
MSG_Clear( &sv.multicast );
return numsends; // just for debug
}
/*
=======================
SV_GetReliableDatagram
Get shared reliable buffer
=======================
*/
static sizebuf_t *SV_GetReliableDatagram( void )
{
return &sv.reliable_datagram;
}
/*
=======================
SV_RestoreCustomDecal
Let the user spawn decal in game code
=======================
*/
qboolean SV_RestoreCustomDecal( decallist_t *entry, edict_t *pEdict, qboolean adjacent )
{
if( svgame.physFuncs.pfnRestoreDecal != NULL )
{
if( !pEdict ) pEdict = EDICT_NUM( entry->entityIndex );
// true if decal was sucessfully restored at the game-side
return svgame.physFuncs.pfnRestoreDecal( entry, pEdict, adjacent );
}
return false;
}
/*
=======================
SV_CreateDecal
NOTE: static decals only accepted when game is loading
=======================
*/
void SV_CreateDecal( sizebuf_t *msg, const float *origin, int decalIndex, int entityIndex, int modelIndex, int flags, float scale )
{
if( msg == &sv.signon && sv.state != ss_loading )
return;
// this can happens if serialized map contain 4096 static decals...
if( MSG_GetNumBytesLeft( msg ) < 20 )
{
sv.ignored_world_decals++;
return;
}
// static decals are posters, it's always reliable
MSG_BeginServerCmd( msg, svc_bspdecal );
MSG_WriteVec3Coord( msg, origin );
MSG_WriteWord( msg, decalIndex );
MSG_WriteShort( msg, entityIndex );
if( entityIndex > 0 )
MSG_WriteWord( msg, modelIndex );
MSG_WriteByte( msg, flags );
MSG_WriteWord( msg, scale * 4096 );
}
/*
=======================
SV_CreateStaticEntity
NOTE: static entities only accepted when game is loading
=======================
*/
qboolean SV_CreateStaticEntity( sizebuf_t *msg, int index )
{
entity_state_t nullstate, *baseline;
entity_state_t *state;
int offset;
if( index >= ( MAX_STATIC_ENTITIES - 1 ))
{
if( !sv.static_ents_overflow )
{
Con_Printf( S_WARN "MAX_STATIC_ENTITIES limit exceeded (%d)\n", MAX_STATIC_ENTITIES );
sv.static_ents_overflow = true;
}
sv.ignored_static_ents++; // continue overflowed entities
return false;
}
// this can happens if serialized map contain too many static entities...
if( MSG_GetNumBytesLeft( msg ) < 50 )
{
sv.ignored_static_ents++;
return false;
}
state = &svs.static_entities[index]; // allocate a new one
memset( &nullstate, 0, sizeof( nullstate ));
baseline = &nullstate;
// restore modelindex from modelname (already precached)
state->modelindex = pfnModelIndex( STRING( state->messagenum ));
state->entityType = ENTITY_NORMAL; // select delta-encode
state->number = 0;
// trying to compress with previous delta's
offset = SV_FindBestBaselineForStatic( index, &baseline, state );
MSG_BeginServerCmd( msg, svc_spawnstatic );
MSG_WriteDeltaEntity( baseline, state, msg, true, DELTA_STATIC, sv.time, offset );
return true;
}
/*
=================
SV_RestartStaticEnts
Write all the static ents into demo
=================
*/
void SV_RestartStaticEnts( void )
{
int i;
// remove all the static entities on the client
CL_ClearStaticEntities();
// resend them again
for( i = 0; i < sv.num_static_entities; i++ )
SV_CreateStaticEntity( &sv.reliable_datagram, i );
}
/*
=================
SV_StartMusic
=================
*/
static void SV_StartMusic( const char *curtrack, const char *looptrack, int position )
{
MSG_BeginServerCmd( &sv.multicast, svc_stufftext );
MSG_WriteStringf( &sv.multicast, "music \"%s\" \"%s\" %d\n", curtrack, looptrack, position );
SV_Multicast( MSG_ALL, NULL, NULL, false, false );
}
/*
=================
SV_RestartAmbientSounds
Write ambient sounds into demo
=================
*/
void SV_RestartAmbientSounds( void )
{
// TODO: we don't know sounds state on remote server
// as it's used only for demos, maybe this could be implemented on client side?
#if !XASH_DEDICATED
soundlist_t soundInfo[256];
string curtrack, looptrack;
int i, nSounds;
int position;
if( !SV_Active( ) || Host_IsDedicated( ))
return;
nSounds = S_GetCurrentStaticSounds( soundInfo, 256 );
for( i = 0; i < nSounds; i++ )
{
soundlist_t *si = &soundInfo[i];
if( !si->looping || si->entnum == -1 )
continue;
S_StopSound( si->entnum, si->channel, si->name );
SV_StartSound( SV_PEntityOfEntIndex( si->entnum, true ), CHAN_STATIC, si->name, si->volume, si->attenuation, 0, si->pitch );
}
// restart soundtrack
if( S_StreamGetCurrentState( curtrack, sizeof( curtrack ), looptrack, sizeof( looptrack ), &position ))
{
SV_StartMusic( curtrack, looptrack, position );
}
#endif // !XASH_DEDICATED
}
/*
=================
SV_RestartDecals
Write all the decals into demo
=================
*/
void SV_RestartDecals( void )
{
// TODO: similar to SV_RestartAmbientSounds, this is only used for demo recording
// and better be reimplemented on client side
#if !XASH_DEDICATED
decallist_t *list;
int decalIndex;
int modelIndex;
sizebuf_t *msg;
int i, numdecals;
if( !SV_Active( ) || Host_IsDedicated( ))
return;
// g-cont. add space for studiodecals if present
list = (decallist_t *)Z_Calloc( sizeof( decallist_t ) * MAX_RENDER_DECALS * 2 );
numdecals = ref.dllFuncs.R_CreateDecalList( list );
// remove decals from map
ref.dllFuncs.R_ClearAllDecals();
// write decals into reliable datagram
msg = SV_GetReliableDatagram();
// restore decals and write them into network message
for( i = 0; i < numdecals; i++ )
{
decallist_t *entry = &list[i];
modelIndex = SV_PEntityOfEntIndex( entry->entityIndex, true )->v.modelindex;
// game override
if( SV_RestoreCustomDecal( entry, SV_PEntityOfEntIndex( entry->entityIndex, true ), false ))
continue;
decalIndex = pfnDecalIndex( entry->name );
// studiodecals will be restored at game-side
if( !FBitSet( entry->flags, FDECAL_STUDIO ))
SV_CreateDecal( msg, entry->position, decalIndex, entry->entityIndex, modelIndex, entry->flags, entry->scale );
}
Z_Free( list );
#endif // !XASH_DEDICATED
}
/*
==============
SV_BoxInPVS
check brush boxes in fat pvs
==============
*/
qboolean GAME_EXPORT SV_BoxInPVS( const vec3_t org, const vec3_t absmin, const vec3_t absmax )
{
if( !Mod_BoxVisible( absmin, absmax, Mod_GetPVSForPoint( org )))
return false;
return true;
}
/*
=============
SV_ChangeLevel
Issue changing level
=============
*/
void SV_QueueChangeLevel( const char *level, const char *landname )
{
uint flags, smooth = false;
char mapname[MAX_QPATH];
// hold mapname to other place
Q_strncpy( mapname, level, sizeof( mapname ));
COM_StripExtension( mapname );
if( COM_CheckString( landname ))
smooth = true;
flags = SV_MapIsValid( mapname, landname );
if( FBitSet( flags, MAP_INVALID_VERSION ))
{
Con_Printf( S_ERROR "changelevel: %s is invalid or not supported\n", mapname );
return;
}
if( !FBitSet( flags, MAP_IS_EXIST ))
{
Con_Printf( S_ERROR "changelevel: map %s doesn't exist\n", mapname );
return;
}
if( smooth && !FBitSet( flags, MAP_HAS_LANDMARK ))
{
if( sv_validate_changelevel.value )
{
// NOTE: we find valid map but specified landmark it's doesn't exist
// run simple changelevel like in q1, throw warning
Con_Printf( S_WARN "changelevel: %s doesn't contain landmark [%s]. smooth transition was disabled\n", mapname, landname );
smooth = false;
}
}
if( svs.maxclients > 1 )
smooth = false; // multiplayer doesn't support smooth transition
if( smooth && !Q_stricmp( sv.name, level ))
{
Con_Printf( S_ERROR "can't changelevel with same map. Ignored.\n" );
return;
}
// bad changelevel position invoke enables in one-way transition
if( sv.framecount < 15 )
{
if( sv_validate_changelevel.value )
{
Con_Printf( S_WARN "an infinite changelevel was detected and will be disabled until a next save\\restore\n" );
return; // lock with svs.spawncount here
}
}
SV_SkipUpdates ();
// changelevel will be executed on a next frame
if( smooth ) COM_ChangeLevel( mapname, landname, sv.background ); // Smoothed Half-Life changelevel
else COM_ChangeLevel( mapname, NULL, sv.background ); // Classic Quake changlevel
}
/*
==============
SV_WriteEntityPatch
Create entity patch for selected map
==============
*/
void SV_WriteEntityPatch( const char *filename )
{
int lumpofs = 0, lumplen = 0;
byte buf[MAX_TOKEN]; // 1 kb
string bspfilename;
dlump_t entities;
file_t *f;
Q_snprintf( bspfilename, sizeof( bspfilename ), "maps/%s.bsp", filename );
f = FS_Open( bspfilename, "rb", false );
if( !f ) return;
memset( buf, 0, MAX_TOKEN );
FS_Read( f, buf, MAX_TOKEN );
// check all the lumps and some other errors
if( !Mod_TestBmodelLumps( f, bspfilename, buf, true, &entities ))
{
FS_Close( f );
return;
}
lumpofs = entities.fileofs;
lumplen = entities.filelen;
if( lumplen >= 10 )
{
char *entities = NULL;
FS_Seek( f, lumpofs, SEEK_SET );
entities = (char *)Z_Calloc( lumplen + 1 );
FS_Read( f, entities, lumplen );
FS_WriteFile( va( "maps/%s.ent", filename ), entities, lumplen );
Con_Printf( "Write 'maps/%s.ent'\n", filename );
Mem_Free( entities );
}
FS_Close( f );
}
/*
==============
SV_ReadEntityScript
pfnMapIsValid use this
==============
*/
static char *SV_ReadEntityScript( const char *filename, int *flags )
{
string bspfilename, entfilename;
int lumpofs = 0, lumplen = 0;
byte buf[MAX_TOKEN];
char *ents = NULL;
dlump_t entities;
size_t ft1, ft2;
file_t *f;
*flags = 0;
Q_snprintf( bspfilename, sizeof( bspfilename ), "maps/%s.bsp", filename );
f = FS_Open( bspfilename, "rb", false );
if( !f ) return NULL;
SetBits( *flags, MAP_IS_EXIST );
memset( buf, 0, MAX_TOKEN );
FS_Read( f, buf, MAX_TOKEN );
// check all the lumps and some other errors
if( !Mod_TestBmodelLumps( f, bspfilename, buf, (host_developer.value) ? false : true, &entities ))
{
SetBits( *flags, MAP_INVALID_VERSION );
FS_Close( f );
return NULL;
}
// after call Mod_TestBmodelLumps we gurantee what map is valid
lumpofs = entities.fileofs;
lumplen = entities.filelen;
// check for entfile too
Q_snprintf( entfilename, sizeof( entfilename ), "maps/%s.ent", filename );
// make sure what entity patch is newer than bsp
ft1 = FS_FileTime( bspfilename, false );
ft2 = FS_FileTime( entfilename, true );
if( ft2 != -1 && ft1 < ft2 )
{
// grab .ent files only from gamedir
ents = (char *)FS_LoadFile( entfilename, NULL, true );
}
// at least entities should contain "{ "classname" "worldspawn" }\0"
// for correct spawn the level
if( !ents && lumplen >= 32 )
{
FS_Seek( f, lumpofs, SEEK_SET );
ents = Z_Calloc( lumplen + 1 );
FS_Read( f, ents, lumplen );
}
FS_Close( f ); // all done
return ents;
}
/*
==============
SV_MapIsValid
Validate map
==============
*/
uint SV_MapIsValid( const char *filename, const char *landmark_name )
{
uint flags = 0;
char *pfile;
char *ents;
ents = SV_ReadEntityScript( filename, &flags );
if( ents )
{
qboolean need_landmark;
char token[MAX_TOKEN];
string check_name;
need_landmark = COM_CheckString( landmark_name );
if( !need_landmark )
{
Mem_Free( ents );
return flags;
}
pfile = ents;
while(( pfile = COM_ParseFile( pfile, token, sizeof( token ))) != NULL )
{
if( !Q_strcmp( token, "targetname" ))
{
// check targetname for landmark entity
pfile = COM_ParseFile( pfile, check_name, sizeof( check_name ));
if( !Q_strcmp( landmark_name, check_name ))
{
// we found landmark, stop the parsing
SetBits( flags, MAP_HAS_LANDMARK );
break;
}
}
}
Mem_Free( ents );
}
return flags;
}
/*
==============
SV_FreePrivateData
release private edict memory
==============
*/
static void GAME_EXPORT SV_FreePrivateData( edict_t *pEdict )
{
if( !pEdict || !pEdict->pvPrivateData )
return;
// NOTE: new interface can be missing
if( svgame.dllFuncs2.pfnOnFreeEntPrivateData != NULL )
svgame.dllFuncs2.pfnOnFreeEntPrivateData( pEdict );
if( Mem_IsAllocatedExt( svgame.mempool, pEdict->pvPrivateData ))
Mem_Free( pEdict->pvPrivateData );
pEdict->pvPrivateData = NULL;
}
/*
==============
SV_InitEdict
clear edict for reuse
==============
*/
void SV_InitEdict( edict_t *pEdict )
{
Assert( pEdict != NULL );
SV_FreePrivateData( pEdict );
memset( &pEdict->v, 0, sizeof( entvars_t ));
pEdict->v.pContainingEntity = pEdict;
pEdict->v.controller[0] = 0x7F;
pEdict->v.controller[1] = 0x7F;
pEdict->v.controller[2] = 0x7F;
pEdict->v.controller[3] = 0x7F;
pEdict->free = false;
}
/*
==============
SV_FreeEdict
unlink edict from world and free it
==============
*/
void SV_FreeEdict( edict_t *pEdict )
{
Assert( pEdict != NULL );
if( pEdict->free ) return;
// unlink from world
SV_UnlinkEdict( pEdict );
SV_FreePrivateData( pEdict );
// mark edict as freed
pEdict->freetime = sv.time;
pEdict->serialnumber++; // invalidate EHANDLE's
pEdict->v.solid = SOLID_NOT;
pEdict->v.flags = 0;
pEdict->v.model = 0;
pEdict->v.takedamage = 0;
pEdict->v.modelindex = 0;
pEdict->v.nextthink = -1;
pEdict->v.colormap = 0;
pEdict->v.frame = 0;
pEdict->v.scale = 0;
pEdict->v.gravity = 0;
pEdict->v.skin = 0;
VectorClear( pEdict->v.angles );
VectorClear( pEdict->v.origin );
pEdict->free = true;
}
/*
==============
SV_AllocEdict
allocate new or reuse existing
==============
*/
edict_t *GAME_EXPORT SV_AllocEdict( void )
{
edict_t *e;
int i;
for( i = svs.maxclients + 1; i < svgame.numEntities; i++ )
{
e = EDICT_NUM( i );
// the first couple seconds of server time can involve a lot of
// freeing and allocating, so relax the replacement policy
if( e->free && ( e->freetime < 2.0f || ( sv.time - e->freetime ) > 0.5f ))
{
SV_InitEdict( e );
return e;
}
}
if( i >= GI->max_edicts )
Host_Error( "%s: no free edicts (max is %d)\n", __func__, GI->max_edicts );
svgame.numEntities++;
e = EDICT_NUM( i );
SV_InitEdict( e );
return e;
}
/*
==============
SV_GetEntityClass
get pointer for entity class
==============
*/
static LINK_ENTITY_FUNC SV_GetEntityClass( const char *pszClassName )
{
// allocate edict private memory (passed by dlls)
return (LINK_ENTITY_FUNC)COM_GetProcAddress( svgame.hInstance, pszClassName );
}
/*
==============
SV_AllocPrivateData
allocate private data for a given edict
if customentity is NULL, no "custom" entity EXPORT is being done
if customentity is not NULL, will be set to true if "custom" export
was used to create this entity
==============
*/
static edict_t* SV_AllocPrivateData( edict_t *ent, string_t className, qboolean *customentity )
{
const char *pszClassName;
LINK_ENTITY_FUNC SpawnEdict;
pszClassName = STRING( className );
if( customentity )
*customentity = false;
if( !ent )
{
// allocate a new one
ent = SV_AllocEdict();
}
else if( ent->free )
{
SV_InitEdict( ent ); // re-init edict
}
ent->v.classname = className;
ent->v.pContainingEntity = ent; // re-link
// allocate edict private memory (passed by dlls)
SpawnEdict = SV_GetEntityClass( pszClassName );
if( !SpawnEdict )
{
// attempt to create custom entity (Xash3D extension)
if( svgame.physFuncs.SV_CreateEntity && svgame.physFuncs.SV_CreateEntity( ent, pszClassName ) != -1 )
return ent;
if( customentity )
{
SpawnEdict = SV_GetEntityClass( "custom" );
*customentity = SpawnEdict != NULL;
}
if( !SpawnEdict )
{
Con_Printf( S_ERROR "No spawn function for \"%s\"\n", pszClassName );
// free entity immediately
SV_FreeEdict( ent );
return NULL;
}
}
SpawnEdict( &ent->v );
return ent;
}
/*
==============
SV_CreateNamedEntity
create specified entity, alloc private data
==============
*/
edict_t* SV_CreateNamedEntity( edict_t *ent, string_t className )
{
return SV_AllocPrivateData( ent, className, NULL );
}
/*
==============
SV_FreeEdicts
release all the edicts from server
==============
*/
void SV_FreeEdicts( void )
{
int i = 0;
edict_t *ent;
for( i = 0; i < svgame.numEntities; i++ )
{
ent = EDICT_NUM( i );
if( ent->free ) continue;
SV_FreeEdict( ent );
}
}
/*
==============
SV_PlaybackReliableEvent
reliable event is must be delivered always
==============
*/
static void SV_PlaybackReliableEvent( sizebuf_t *msg, word eventindex, float delay, event_args_t *args )
{
event_args_t nullargs;
memset( &nullargs, 0, sizeof( nullargs ));
MSG_BeginServerCmd( msg, svc_event_reliable );
// send event index
MSG_WriteUBitLong( msg, eventindex, MAX_EVENT_BITS );
if( delay )
{
// send event delay
MSG_WriteOneBit( msg, 1 );
MSG_WriteWord( msg, ( delay * 100.0f ));
}
else MSG_WriteOneBit( msg, 0 );
// reliable events not use delta-compression just null-compression
MSG_WriteDeltaEvent( msg, &nullargs, args );
}
/*
==============
SV_ClassName
template to get edict classname
==============
*/
const char *SV_ClassName( const edict_t *e )
{
if( !e ) return "(null)";
if( e->free ) return "freed";
return STRING( e->v.classname );
}
/*
==============
SV_IsValidCmd
command validation
==============
*/
static qboolean SV_IsValidCmd( const char *pCmd )
{
size_t len = Q_strlen( pCmd );
// valid commands all have a ';' or newline '\n' as their last character
if( len && ( pCmd[len-1] == '\n' || pCmd[len-1] == ';' ))
return true;
return false;
}
/*
==============
SV_ClientFromEdict
get edict that attached to the client structure
==============
*/
sv_client_t *SV_ClientFromEdict( const edict_t *pEdict, qboolean spawned_only )
{
int i;
if( !SV_IsValidEdict( pEdict ))
return NULL;
i = NUM_FOR_EDICT( pEdict ) - 1;
if( i < 0 || i >= svs.maxclients )
return NULL;
if( spawned_only )
{
if( svs.clients[i].state != cs_spawned )
return NULL;
}
return (svs.clients + i);
}
/*
===============================================================================
Game Builtin Functions
===============================================================================
*/
/*
=========
pfnPrecacheModel
=========
*/
static int GAME_EXPORT pfnPrecacheModel( const char *s )
{
qboolean optional = false;
int i;
if( *s == '!' )
{
optional = true;
s++;
}
if(( i = SV_ModelIndex( s )) == 0 )
return 0;
sv.models[i] = Mod_ForName( sv.model_precache[i], false, true );
if( !optional )
SetBits( sv.model_precache_flags[i], RES_FATALIFMISSING );
return i;
}
/*
=================
pfnModelIndex
=================
*/
static int GAME_EXPORT pfnModelIndex( const char *m )
{
char name[MAX_QPATH];
int i;
if( !COM_CheckString( m ))
return 0;
if( *m == '\\' || *m == '/' ) m++;
Q_strncpy( name, m, sizeof( name ));
COM_FixSlashes( name );
for( i = 1; i < MAX_MODELS && sv.model_precache[i][0]; i++ )
{
if( !Q_stricmp( sv.model_precache[i], name ))
return i;
}
Con_Printf( S_ERROR "Cannot get index for model %s: not precached\n", name );
return 0;
}
/*
=================
pfnModelFrames
=================
*/
static int GAME_EXPORT pfnModelFrames( int modelIndex )
{
model_t *pmodel = SV_ModelHandle( modelIndex );
if( pmodel != NULL )
return pmodel->numframes;
return 1;
}
/*
=================
pfnSetSize
=================
*/
static void GAME_EXPORT pfnSetSize( edict_t *e, const float *rgflMin, const float *rgflMax )
{
if( !SV_IsValidEdict( e ))
return;
SV_SetMinMaxSize( e, rgflMin, rgflMax, true );
}
/*
=================
pfnChangeLevel
=================
*/
static void GAME_EXPORT pfnChangeLevel( const char *level, const char *landmark )
{
static uint last_spawncount = 0;
char landname[MAX_QPATH];
char *text;
if( !COM_CheckString( level ) || sv.state != ss_active )
return; // ???
// make sure we don't issue two changelevels
if( svs.spawncount == last_spawncount )
return;
last_spawncount = svs.spawncount;
landname[0] ='\0';
#ifdef HACKS_RELATED_HLMODS
// g-cont. some level-designers wrote landmark name with space
// and Cmd_TokenizeString separating all the after space as next argument
// emulate this bug for compatibility
if( COM_CheckString( landmark ))
{
text = (char *)landname;
while( *landmark && ((byte)*landmark) != ' ' )
*text++ = *landmark++;
*text = '\0';
}
#else
Q_strncpy( landname, landmark, sizeof( landname ));
#endif
SV_QueueChangeLevel( level, landname );
}
/*
=================
pfnGetSpawnParms
OBSOLETE, UNUSED
=================
*/
static void GAME_EXPORT pfnGetSpawnParms( edict_t *ent )
{
}
/*
=================
pfnSaveSpawnParms
OBSOLETE, UNUSED
=================
*/
static void GAME_EXPORT pfnSaveSpawnParms( edict_t *ent )
{
}
/*
=================
pfnVecToYaw
=================
*/
static float GAME_EXPORT pfnVecToYaw( const float *rgflVector )
{
return SV_VecToYaw( rgflVector );
}
/*
=================
pfnMoveToOrigin
=================
*/
static void GAME_EXPORT pfnMoveToOrigin( edict_t *ent, const float *pflGoal, float dist, int iMoveType )
{
if( !pflGoal || !SV_IsValidEdict( ent ))
return;
SV_MoveToOrigin( ent, pflGoal, dist, iMoveType );
}
/*
==============
pfnChangeYaw
==============
*/
static void GAME_EXPORT pfnChangeYaw( edict_t* ent )
{
if( !SV_IsValidEdict( ent ))
return;
ent->v.angles[YAW] = SV_AngleMod( ent->v.ideal_yaw, ent->v.angles[YAW], ent->v.yaw_speed );
}
/*
==============
pfnChangePitch
==============
*/
static void GAME_EXPORT pfnChangePitch( edict_t* ent )
{
if( !SV_IsValidEdict( ent ))
return;
ent->v.angles[PITCH] = SV_AngleMod( ent->v.idealpitch, ent->v.angles[PITCH], ent->v.pitch_speed );
}
/*
=========
SV_FindEntityByString
=========
*/
static edict_t *GAME_EXPORT SV_FindEntityByString( edict_t *pStartEdict, const char *pszField, const char *pszValue )
{
int i = 0, e = 0;
const TYPEDESCRIPTION *desc = NULL;
edict_t *ed;
const char *t;
if( !COM_CheckString( pszValue ))
return svgame.edicts;
if( pStartEdict ) e = NUM_FOR_EDICT( pStartEdict );
for( i = 0; i < ARRAYSIZE( gEntvarsDescription ); i++ )
{
if( !Q_strcmp( pszField, gEntvarsDescription[i].fieldName ))
{
desc = &gEntvarsDescription[i];
break;
}
}
if( desc == NULL )
{
Con_Printf( S_ERROR "FindEntityByString: field %s not a string\n", pszField );
return svgame.edicts;
}
for( e++; e < svgame.numEntities; e++ )
{
ed = EDICT_NUM( e );
if( !SV_IsValidEdict( ed )) continue;
if( e <= svs.maxclients && !SV_ClientFromEdict( ed, ( svs.maxclients != 1 )))
continue;
switch( desc->fieldType )
{
case FIELD_STRING:
case FIELD_MODELNAME:
case FIELD_SOUNDNAME:
t = STRING( *(string_t *)&((byte *)&ed->v)[desc->fieldOffset] );
if( t != NULL && t != svgame.globals->pStringBase )
{
if( !Q_strcmp( t, pszValue ))
return ed;
}
break;
default:
ASSERT( 0 );
break;
}
}
return svgame.edicts;
}
/*
=========
SV_FindGlobalEntity
ripped out from the hl.dll
=========
*/
edict_t *SV_FindGlobalEntity( string_t classname, string_t globalname )
{
edict_t *pent = SV_FindEntityByString( NULL, "globalname", STRING( globalname ));
if( SV_IsValidEdict( pent ))
{
// don't spam about error - game code already tell us
if( Q_strcmp( SV_ClassName( pent ), STRING( classname )))
pent = NULL;
}
return pent;
}
/*
==============
pfnGetEntityIllum
returns averaged lightvalue for entity
==============
*/
static int GAME_EXPORT pfnGetEntityIllum( edict_t* pEnt )
{
if( !SV_IsValidEdict( pEnt ))
return -1;
return SV_LightForEntity( pEnt );
}
/*
=================
pfnFindEntityInSphere
find the entity in sphere
=================
*/
static edict_t *GAME_EXPORT pfnFindEntityInSphere( edict_t *pStartEdict, const float *org, float flRadius )
{
float distSquared;
int j, e = 0;
float eorg;
edict_t *ent;
flRadius *= flRadius;
if( SV_IsValidEdict( pStartEdict ))
e = NUM_FOR_EDICT( pStartEdict );
for( e++; e < svgame.numEntities; e++ )
{
ent = EDICT_NUM( e );
if( !SV_IsValidEdict( ent ))
continue;
// ignore clients that not in a game
if( e <= svs.maxclients && !SV_ClientFromEdict( ent, true ))
continue;
distSquared = 0.0f;
for( j = 0; j < 3 && distSquared <= flRadius; j++ )
{
if( org[j] < ent->v.absmin[j] )
eorg = org[j] - ent->v.absmin[j];
else if( org[j] > ent->v.absmax[j] )
eorg = org[j] - ent->v.absmax[j];
else eorg = 0.0f;
distSquared += eorg * eorg;
}
if( distSquared < flRadius )
return ent;
}
return svgame.edicts;
}
/*
=================
SV_CheckClientPVS
build the new client PVS
=================
*/
static int SV_CheckClientPVS( int check, qboolean bMergePVS )
{
byte *pvs;
vec3_t vieworg;
sv_client_t *cl;
int i, j, k;
edict_t *ent = NULL;
// cycle to the next one
check = bound( 1, check, svs.maxclients );
if( check == svs.maxclients )
i = 1; // reset cycle
else i = check + 1;
for( ;; i++ )
{
if( i == ( svs.maxclients + 1 ))
i = 1;
ent = EDICT_NUM( i );
if( i == check ) break; // didn't find anything else
if( ent->free || !ent->pvPrivateData || FBitSet( ent->v.flags, FL_NOTARGET ))
continue;
// anything that is a client, or has a client as an enemy
break;
}
cl = SV_ClientFromEdict( ent, true );
memset( clientpvs, 0xFF, world.visbytes );
// get the PVS for the entity
VectorAdd( ent->v.origin, ent->v.view_ofs, vieworg );
pvs = Mod_GetPVSForPoint( vieworg );
if( pvs ) memcpy( clientpvs, pvs, world.visbytes );
// transition in progress
if( !cl ) return i;
// now merge PVS with all the portal cameras
for( k = 0; k < cl->num_viewents && bMergePVS; k++ )
{
edict_t *view = cl->viewentity[k];
if( !SV_IsValidEdict( view ))
continue;
VectorAdd( view->v.origin, view->v.view_ofs, vieworg );
pvs = Mod_GetPVSForPoint( vieworg );
for( j = 0; j < world.visbytes && pvs; j++ )
SetBits( clientpvs[j], pvs[j] );
}
return i;
}
/*
=================
pfnFindClientInPVS
=================
*/
static edict_t* GAME_EXPORT pfnFindClientInPVS( edict_t *pEdict )
{
edict_t *pClient;
vec3_t view;
float delta;
model_t *mod;
qboolean bMergePVS;
mleaf_t *leaf;
if( !SV_IsValidEdict( pEdict ))
return svgame.edicts;
delta = ( sv.time - sv.lastchecktime );
// don't merge visibility for portal entity, only for monsters
bMergePVS = FBitSet( pEdict->v.flags, FL_MONSTER ) ? true : false;
// find a new check if on a new frame
if( delta < 0.0f || delta >= 0.1f )
{
sv.lastcheck = SV_CheckClientPVS( sv.lastcheck, bMergePVS );
sv.lastchecktime = sv.time;
}
// return check if it might be visible
pClient = EDICT_NUM( sv.lastcheck );
if( !SV_ClientFromEdict( pClient, true ))
return svgame.edicts;
mod = SV_ModelHandle( pEdict->v.modelindex );
// portals & monitors
// NOTE: this specific break "radiaton tick" in normal half-life. use only as feature
if( FBitSet( host.features, ENGINE_PHYSICS_PUSHER_EXT ) && mod && mod->type == mod_brush && !FBitSet( mod->flags, MODEL_HAS_ORIGIN ))
{
// handle PVS origin for bmodels
VectorAverage( pEdict->v.mins, pEdict->v.maxs, view );
VectorAdd( view, pEdict->v.origin, view );
}
else
{
VectorAdd( pEdict->v.origin, pEdict->v.view_ofs, view );
}
leaf = Mod_PointInLeaf( view, sv.worldmodel->nodes );
if( CHECKVISBIT( clientpvs, leaf->cluster ))
return pClient; // client which currently in PVS
return svgame.edicts;
}
/*
=================
pfnEntitiesInPVS
=================
*/
static edict_t *pfnEntitiesInPVS( edict_t *pview )
{
edict_t *pchain, *ptest;
vec3_t viewpoint;
edict_t *pent;
int i;
if( !SV_IsValidEdict( pview ))
return NULL;
VectorAdd( pview->v.origin, pview->v.view_ofs, viewpoint );
pchain = EDICT_NUM( 0 );
for( i = 1; i < svgame.numEntities; i++ )
{
pent = EDICT_NUM( i );
if( !SV_IsValidEdict( pent ))
continue;
if( pent->v.movetype == MOVETYPE_FOLLOW && SV_IsValidEdict( pent->v.aiment ))
ptest = pent->v.aiment;
else ptest = pent;
if( SV_BoxInPVS( viewpoint, ptest->v.absmin, ptest->v.absmax ))
{
pent->v.chain = pchain;
pchain = pent;
}
}
return pchain;
}
/*
==============
pfnMakeVectors
==============
*/
static void GAME_EXPORT pfnMakeVectors( const float *rgflVector )
{
AngleVectors( rgflVector, svgame.globals->v_forward, svgame.globals->v_right, svgame.globals->v_up );
}
/*
==============
pfnRemoveEntity
free edict private mem, unlink physics etc
==============
*/
static void GAME_EXPORT pfnRemoveEntity( edict_t *e )
{
if( !SV_IsValidEdict( e ))
return;
// never free client or world entity
if( NUM_FOR_EDICT( e ) < ( svs.maxclients + 1 ))
{
Con_Printf( S_ERROR "can't delete %s\n", ( e == EDICT_NUM( 0 )) ? "world" : "client" );
return;
}
SV_FreeEdict( e );
}
/*
==============
pfnCreateNamedEntity
==============
*/
static edict_t *GAME_EXPORT pfnCreateNamedEntity( string_t className )
{
return SV_CreateNamedEntity( NULL, className );
}
/*
=============
pfnMakeStatic
move entity to client
=============
*/
static void GAME_EXPORT pfnMakeStatic( edict_t *ent )
{
entity_state_t *state;
if( !SV_IsValidEdict( ent ))
return;
// fill the entity state
state = &svs.static_entities[sv.num_static_entities]; // allocate a new one
svgame.dllFuncs.pfnCreateBaseline( false, NUM_FOR_EDICT( ent ), state, ent, 0, vec3_origin, vec3_origin );
state->messagenum = ent->v.model; // member modelname
if( SV_CreateStaticEntity( &sv.signon, sv.num_static_entities ))
sv.num_static_entities++;
// remove at end of the frame
SetBits( ent->v.flags, FL_KILLME );
}
/*
=============
pfnEntIsOnFloor
legacy builtin
=============
*/
static int GAME_EXPORT pfnEntIsOnFloor( edict_t *e )
{
if( !SV_IsValidEdict( e ))
return 0;
return SV_CheckBottom( e, MOVE_NORMAL );
}
/*
===============
pfnDropToFloor
===============
*/
int GAME_EXPORT pfnDropToFloor( edict_t *e )
{
qboolean monsterClip;
trace_t trace;
vec3_t end;
if( !SV_IsValidEdict( e ))
return 0;
monsterClip = FBitSet( e->v.flags, FL_MONSTERCLIP ) ? true : false;
VectorCopy( e->v.origin, end );
end[2] -= 256.0f;
trace = SV_Move( e->v.origin, e->v.mins, e->v.maxs, end, MOVE_NORMAL, e, monsterClip );
if( trace.allsolid )
return -1;
if( trace.fraction == 1.0f )
return 0;
VectorCopy( trace.endpos, e->v.origin );
SV_LinkEdict( e, false );
SetBits( e->v.flags, FL_ONGROUND );
e->v.groundentity = trace.ent;
return 1;
}
/*
===============
pfnWalkMove
===============
*/
static int GAME_EXPORT pfnWalkMove( edict_t *ent, float yaw, float dist, int iMode )
{
vec3_t move;
if( !SV_IsValidEdict( ent ))
return 0;
if( !FBitSet( ent->v.flags, FL_FLY|FL_SWIM|FL_ONGROUND ))
return 0;
yaw = DEG2RAD( yaw );
VectorSet( move, cos( yaw ) * dist, sin( yaw ) * dist, 0.0f );
switch( iMode )
{
case WALKMOVE_NORMAL:
return SV_MoveStep( ent, move, true );
case WALKMOVE_WORLDONLY:
return SV_MoveTest( ent, move, true );
case WALKMOVE_CHECKONLY:
return SV_MoveStep( ent, move, false);
}
return 0;
}
/*
=================
pfnSetOrigin
=================
*/
static void GAME_EXPORT pfnSetOrigin( edict_t *e, const float *rgflOrigin )
{
if( !SV_IsValidEdict( e ))
return;
VectorCopy( rgflOrigin, e->v.origin );
SV_LinkEdict( e, false );
}
/*
=================
SV_BuildSoundMsg
=================
*/
int SV_BuildSoundMsg( sizebuf_t *msg, edict_t *ent, int chan, const char *sample, int vol, float attn, int flags, int pitch, const vec3_t pos )
{
int entityIndex;
int sound_idx;
qboolean spawn;
if( vol < 0 || vol > 255 )
{
Con_Reportf( S_ERROR "%s: volume = %i\n", __func__, vol );
vol = bound( 0, vol, 255 );
}
if( attn < 0.0f || attn > 4.0f )
{
Con_Reportf( S_ERROR "%s: attenuation %g must be in range 0-4\n", __func__, attn );
attn = bound( 0.0f, attn, 4.0f );
}
if( chan < 0 || chan > 7 )
{
Con_Reportf( S_ERROR "%s: channel must be in range 0-7\n", __func__ );
chan = bound( 0, chan, 7 );
}
if( pitch < 0 || pitch > 255 )
{
Con_Reportf( S_ERROR "%s: pitch = %i\n", __func__, pitch );
pitch = bound( 0, pitch, 255 );
}
if( !COM_CheckString( sample ))
{
Con_Reportf( S_ERROR "%s: passed NULL sample\n", __func__ );
return 0;
}
if( sample[0] == '!' && Q_isdigit( sample + 1 ))
{
sound_idx = Q_atoi( sample + 1 );
if( sound_idx >= MAX_SOUNDS_NONSENTENCE )
{
SetBits( flags, SND_SENTENCE|SND_SEQUENCE );
sound_idx -= MAX_SOUNDS_NONSENTENCE;
}
else SetBits( flags, SND_SENTENCE );
}
else if( sample[0] == '#' && Q_isdigit( sample + 1 ))
{
SetBits( flags, SND_SENTENCE|SND_SEQUENCE );
sound_idx = Q_atoi( sample + 1 );
}
else
{
// '*' is special symbol to handle stream sounds
// (CHAN_VOICE but cannot be overriden)
// originally handled on client side
if( *sample == '*' )
chan = CHAN_STREAM;
// precache_sound can be used twice: cache sounds when loading
// and return sound index when server is active
sound_idx = SV_SoundIndex( sample );
if( !sound_idx )
{
Con_Printf( S_ERROR "%s: %s not precached (%d)\n", __func__, sample, sound_idx );
return 0;
}
}
spawn = FBitSet( flags, SND_RESTORE_POSITION ) ? false : true;
if( SV_IsValidEdict( ent ))
entityIndex = NUM_FOR_EDICT( ent );
else entityIndex = 0; // assume world
if( vol != 255 ) SetBits( flags, SND_VOLUME );
if( attn != ATTN_NONE ) SetBits( flags, SND_ATTENUATION );
if( pitch != PITCH_NORM ) SetBits( flags, SND_PITCH );
// not sending (because this is out of range)
ClearBits( flags, SND_RESTORE_POSITION );
ClearBits( flags, SND_FILTER_CLIENT );
ClearBits( flags, SND_SPAWNING );
if( spawn ) MSG_BeginServerCmd( msg, svc_sound );
else MSG_BeginServerCmd( msg, svc_restoresound );
MSG_WriteUBitLong( msg, flags, MAX_SND_FLAGS_BITS );
MSG_WriteUBitLong( msg, sound_idx, MAX_SOUND_BITS );
MSG_WriteUBitLong( msg, chan, MAX_SND_CHAN_BITS );
if( FBitSet( flags, SND_VOLUME )) MSG_WriteByte( msg, vol );
if( FBitSet( flags, SND_ATTENUATION )) MSG_WriteByte( msg, Q_min( attn * 64, 255 ));
if( FBitSet( flags, SND_PITCH )) MSG_WriteByte( msg, pitch );
MSG_WriteUBitLong( msg, entityIndex, MAX_ENTITY_BITS );
MSG_WriteVec3Coord( msg, pos );
return 1;
}
/*
=================
SV_StartSound
=================
*/
void GAME_EXPORT SV_StartSound( edict_t *ent, int chan, const char *sample, float vol, float attn, int flags, int pitch )
{
qboolean filter = false;
int msg_dest;
vec3_t origin;
if( !SV_IsValidEdict( ent ))
return;
VectorAverage( ent->v.mins, ent->v.maxs, origin );
VectorAdd( origin, ent->v.origin, origin );
if( FBitSet( flags, SND_SPAWNING ))
msg_dest = MSG_INIT;
else if( chan == CHAN_STATIC )
msg_dest = MSG_ALL;
else if( FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE ))
msg_dest = MSG_ALL;
else msg_dest = (svs.maxclients <= 1 ) ? MSG_ALL : MSG_PAS_R;
// always sending stop sound command
if( FBitSet( flags, SND_STOP ))
msg_dest = MSG_ALL;
if( FBitSet( flags, SND_FILTER_CLIENT ))
filter = true;
if( SV_BuildSoundMsg( &sv.multicast, ent, chan, sample, vol * 255, attn, flags, pitch, origin ))
SV_Multicast( msg_dest, origin, NULL, false, filter );
}
/*
=================
pfnEmitAmbientSound
=================
*/
static void GAME_EXPORT pfnEmitAmbientSound( edict_t *ent, float *pos, const char *sample, float vol, float attn, int flags, int pitch )
{
int msg_dest;
if( sv.state == ss_loading )
SetBits( flags, SND_SPAWNING );
if( FBitSet( flags, SND_SPAWNING ))
msg_dest = MSG_INIT;
else msg_dest = MSG_ALL;
// always sending stop sound command
if( FBitSet( flags, SND_STOP ))
msg_dest = MSG_ALL;
if( SV_BuildSoundMsg( &sv.multicast, ent, CHAN_STATIC, sample, vol * 255, attn, flags, pitch, pos ))
SV_Multicast( msg_dest, pos, NULL, false, false );
}
/*
=================
pfnTraceLine
=================
*/
static void GAME_EXPORT pfnTraceLine( const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr )
{
trace_t trace;
trace = SV_Move( v1, vec3_origin, vec3_origin, v2, fNoMonsters, pentToSkip, false );
if( !SV_IsValidEdict( trace.ent ))
trace.ent = svgame.edicts;
SV_ConvertTrace( ptr, &trace );
}
/*
=================
pfnTraceToss
=================
*/
static void GAME_EXPORT pfnTraceToss( edict_t *pent, edict_t *pentToIgnore, TraceResult *ptr )
{
trace_t trace;
if( !SV_IsValidEdict( pent ))
return;
trace = SV_MoveToss( pent, pentToIgnore );
SV_ConvertTrace( ptr, &trace );
}
/*
=================
pfnTraceHull
=================
*/
static void GAME_EXPORT pfnTraceHull( const float *v1, const float *v2, int fNoMonsters, int hullNumber, edict_t *pentToSkip, TraceResult *ptr )
{
trace_t trace;
if( hullNumber < 0 || hullNumber > 3 )
hullNumber = 0;
trace = SV_Move( v1, sv.worldmodel->hulls[hullNumber].clip_mins, sv.worldmodel->hulls[hullNumber].clip_maxs, v2, fNoMonsters, pentToSkip, false );
SV_ConvertTrace( ptr, &trace );
}
/*
=============
pfnTraceMonsterHull
=============
*/
static int GAME_EXPORT pfnTraceMonsterHull( edict_t *pEdict, const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr )
{
qboolean monsterClip;
trace_t trace;
if( !SV_IsValidEdict( pEdict ))
return 0;
monsterClip = FBitSet( pEdict->v.flags, FL_MONSTERCLIP ) ? true : false;
trace = SV_Move( v1, pEdict->v.mins, pEdict->v.maxs, v2, fNoMonsters, pentToSkip, monsterClip );
SV_ConvertTrace( ptr, &trace );
if( trace.allsolid || trace.fraction != 1.0f )
return true;
return false;
}
/*
=============
pfnTraceModel
=============
*/
static void GAME_EXPORT pfnTraceModel( const float *v1, const float *v2, int hullNumber, edict_t *pent, TraceResult *ptr )
{
float *mins, *maxs;
model_t *model;
trace_t trace;
if( !SV_IsValidEdict( pent ))
return;
if( hullNumber < 0 || hullNumber > 3 )
hullNumber = 0;
mins = sv.worldmodel->hulls[hullNumber].clip_mins;
maxs = sv.worldmodel->hulls[hullNumber].clip_maxs;
model = SV_ModelHandle( pent->v.modelindex );
if( pent->v.solid == SOLID_CUSTOM )
{
// NOTE: always goes through custom clipping move
// even if our callbacks is not initialized
SV_CustomClipMoveToEntity( pent, v1, mins, maxs, v2, &trace );
}
else if( model && model->type == mod_brush )
{
int oldmovetype = pent->v.movetype;
int oldsolid = pent->v.solid;
pent->v.movetype = MOVETYPE_PUSH;
pent->v.solid = SOLID_BSP;
SV_ClipMoveToEntity( pent, v1, mins, maxs, v2, &trace );
pent->v.movetype = oldmovetype;
pent->v.solid = oldsolid;
}
else
{
SV_ClipMoveToEntity( pent, v1, mins, maxs, v2, &trace );
}
SV_ConvertTrace( ptr, &trace );
}
/*
=============
pfnTraceTexture
returns texture basename
=============
*/
static const char *pfnTraceTexture( edict_t *pTextureEntity, const float *v1, const float *v2 )
{
if( !SV_IsValidEdict( pTextureEntity ))
return NULL;
return SV_TraceTexture( pTextureEntity, v1, v2 );
}
/*
=============
pfnTraceSphere
OBSOLETE, UNUSED
=============
*/
static void GAME_EXPORT pfnTraceSphere( const float *v1, const float *v2, int fNoMonsters, float radius, edict_t *pentToSkip, TraceResult *ptr )
{
}
/*
=============
pfnGetAimVector
NOTE: speed is unused
=============
*/
static void GAME_EXPORT pfnGetAimVector( edict_t* ent, float speed, float *rgflReturn )
{
edict_t *check;
vec3_t start, dir, end, bestdir;
float dist, bestdist;
int i, j;
trace_t tr;
VectorCopy( svgame.globals->v_forward, rgflReturn ); // assume failure if it returns early
if( !SV_IsValidEdict( ent ) || FBitSet( ent->v.flags, FL_FAKECLIENT ))
return;
VectorCopy( ent->v.origin, start );
VectorAdd( start, ent->v.view_ofs, start );
// try sending a trace straight
VectorCopy( svgame.globals->v_forward, dir );
VectorMA( start, 2048, dir, end );
tr = SV_Move( start, vec3_origin, vec3_origin, end, MOVE_NORMAL, ent, false );
// don't aim at teammate
if( tr.ent && ( tr.ent->v.takedamage == DAMAGE_AIM || ent->v.team <= 0 || ent->v.team != tr.ent->v.team ))
return;
// try all possible entities
VectorCopy( svgame.globals->v_forward, bestdir );
if( sv_allow_autoaim.value )
bestdist = sv_aim.value;
else bestdist = 0;
check = EDICT_NUM( 1 ); // start at first client
for( i = 1; i < svgame.numEntities; i++, check++ )
{
if( check->v.takedamage != DAMAGE_AIM )
continue;
if( FBitSet( check->v.flags, FL_FAKECLIENT ))
continue;
if( ent->v.team > 0 && ent->v.team == check->v.team )
continue;
if( check == ent )
continue;
for( j = 0; j < 3; j++ )
end[j] = check->v.origin[j] + 0.5f * (check->v.mins[j] + check->v.maxs[j]);
VectorSubtract( end, start, dir );
VectorNormalize( dir );
dist = DotProduct( dir, svgame.globals->v_forward );
if( dist < bestdist )
continue; // to far to turn
tr = SV_Move( start, vec3_origin, vec3_origin, end, MOVE_NORMAL, ent, false );
if( tr.ent == check )
{
// can shoot at this one
VectorCopy( dir, bestdir );
bestdist = dist;
}
}
VectorCopy( bestdir, rgflReturn );
}
/*
=========
pfnServerCommand
=========
*/
static void GAME_EXPORT pfnServerCommand( const char* str )
{
if( !SV_IsValidCmd( str ))
Con_Printf( S_ERROR "bad server command %s\n", str );
else Cbuf_AddText( str );
}
/*
=========
pfnServerExecute
=========
*/
static void GAME_EXPORT pfnServerExecute( void )
{
Cbuf_Execute();
}
/*
=========
pfnClientCommand
=========
*/
void GAME_EXPORT pfnClientCommand( edict_t* pEdict, char* szFmt, ... ) _format( 2 );
void GAME_EXPORT pfnClientCommand( edict_t* pEdict, char* szFmt, ... )
{
sv_client_t *cl;
string buffer;
va_list args;
if( sv.state != ss_active )
return; // early out
if(( cl = SV_ClientFromEdict( pEdict, true )) == NULL )
{
Con_Printf( S_ERROR "stuffcmd: client is not spawned!\n" );
return;
}
if( FBitSet( cl->flags, FCL_FAKECLIENT ))
return;
va_start( args, szFmt );
Q_vsnprintf( buffer, MAX_STRING, szFmt, args );
va_end( args );
if( SV_IsValidCmd( buffer ))
{
MSG_BeginServerCmd( &cl->netchan.message, svc_stufftext );
MSG_WriteString( &cl->netchan.message, buffer );
}
else Con_Printf( S_ERROR "Tried to stuff bad command %s\n", buffer );
}
/*
=================
pfnParticleEffect
Make sure the event gets sent to all clients
=================
*/
static void GAME_EXPORT pfnParticleEffect( const float *org, const float *dir, float color, float count )
{
int v;
if( MSG_GetNumBytesLeft( &sv.datagram ) < 16 )
return;
MSG_BeginServerCmd( &sv.datagram, svc_particle );
MSG_WriteVec3Coord( &sv.datagram, org );
v = bound( -128, dir[0] * 16.0f, 127 );
MSG_WriteChar( &sv.datagram, v );
v = bound( -128, dir[1] * 16.0f, 127 );
MSG_WriteChar( &sv.datagram, v );
v = bound( -128, dir[2] * 16.0f, 127 );
MSG_WriteChar( &sv.datagram, v );
MSG_WriteByte( &sv.datagram, count );
MSG_WriteByte( &sv.datagram, color );
MSG_WriteByte( &sv.datagram, 0 ); // z-vel
}
/*
===============
pfnLightStyle
===============
*/
static void GAME_EXPORT pfnLightStyle( int style, const char* val )
{
if( style < 0 ) style = 0;
if( style >= MAX_LIGHTSTYLES )
Host_Error( "%s: style: %i >= %d", __func__, style, MAX_LIGHTSTYLES );
if( sv.loadgame ) return; // don't let the world overwrite our restored styles
SV_SetLightStyle( style, val, 0.0f ); // set correct style
}
/*
=================
pfnDecalIndex
register decal name on client
=================
*/
int GAME_EXPORT pfnDecalIndex( const char *m )
{
int i;
if( !COM_CheckString( m ))
return -1;
for( i = 1; i < MAX_DECALS && host.draw_decals[i][0]; i++ )
{
if( !Q_stricmp( host.draw_decals[i], m ))
return i;
}
return -1;
}
static int SV_CanRewriteMessage( int msg_num )
{
// feature is disabled
if( !FBitSet( host.bugcomp, BUGCOMP_MESSAGE_REWRITE_FACILITY_FLAG ))
return 0;
switch( msg_num )
{
case svc_goldsrc_spawnstaticsound:
return svc_sound;
}
return 0;
}
static qboolean SV_RewriteMessage( void )
{
vec3_t origin;
const char *sample = NULL;
float vol, attn;
int ent, pitch, flags, idx;
int cmd;
MSG_SeekToBit( &sv.multicast, svgame.msg_rewrite_pos, SEEK_SET );
cmd = MSG_ReadCmd( &sv.multicast, NS_SERVER );
switch( cmd )
{
case svc_goldsrc_spawnstaticsound:
MSG_ReadVec3Coord( &sv.multicast, origin );
idx = MSG_ReadShort( &sv.multicast );
vol = MSG_ReadByte( &sv.multicast );
attn = MSG_ReadByte( &sv.multicast ) / 64.0f;
ent = MSG_ReadShort( &sv.multicast );
pitch = MSG_ReadByte( &sv.multicast );
flags = MSG_ReadByte( &sv.multicast );
if( FBitSet( flags, SND_SENTENCE ))
sample = va( "!%i", idx );
else if( idx >= 0 && idx < MAX_SOUNDS )
sample = sv.sound_precache[idx];
if( !COM_CheckString( sample ))
{
Con_Printf( S_ERROR "%s: unrecognized sample in svc_spawnstaticsound, index %d, flags 0x%x\n", __func__, idx, flags );
return false;
}
MSG_SeekToBit( &sv.multicast, svgame.msg_rewrite_pos, SEEK_SET );
return SV_BuildSoundMsg( &sv.multicast, EDICT_NUM( ent ), CHAN_STATIC, sample, vol, attn, flags, pitch, origin );
}
return false;
}
/*
=============
pfnMessageBegin
=============
*/
static void GAME_EXPORT pfnMessageBegin( int msg_dest, int msg_num, const float *pOrigin, edict_t *ed )
{
int i, iSize;
if( svgame.msg_started )
Host_Error( "%s: New message started when msg '%s' has not been sent yet\n", __func__, svgame.msg_name );
svgame.msg_started = true;
// check range
msg_num = bound( svc_bad, msg_num, 255 );
svgame.msg_rewrite_index = 0;
svgame.msg_rewrite_pos = 0;
if( msg_num <= svc_lastmsg )
{
// check if we should rewrite this message into something else...
if( SV_CanRewriteMessage( msg_num ))
{
svgame.msg_index = -SV_CanRewriteMessage( msg_num );
svgame.msg_name = svc_goldsrc_strings[msg_num] ? svc_goldsrc_strings[msg_num] : svc_strings[msg_num];
svgame.msg_rewrite_index = msg_num;
svgame.msg_rewrite_pos = MSG_TellBit( &sv.multicast );
}
else
{
svgame.msg_index = -msg_num; // this is a system message
svgame.msg_name = svc_strings[msg_num];
}
if( msg_num == svc_temp_entity )
iSize = -1; // temp entity have variable size
else iSize = 0;
}
else
{
// check for existing
for( i = 1; i < MAX_USER_MESSAGES && svgame.msg[i].name[0]; i++ )
{
if( svgame.msg[i].number == msg_num )
break; // found
}
if( i == MAX_USER_MESSAGES )
{
Host_Error( "%s: tried to send unregistered message %i\n", __func__, msg_num );
return;
}
svgame.msg_name = svgame.msg[i].name;
iSize = svgame.msg[i].size;
svgame.msg_index = i;
}
MSG_WriteCmdExt( &sv.multicast, msg_num, NS_SERVER, svgame.msg_name );
// save message destination
if( pOrigin ) VectorCopy( pOrigin, svgame.msg_org );
else VectorClear( svgame.msg_org );
if( iSize == -1 )
{
// variable sized messages sent size as first short
svgame.msg_size_index = MSG_GetNumBytesWritten( &sv.multicast );
MSG_WriteWord( &sv.multicast, 0 ); // reserve space for now
}
else svgame.msg_size_index = -1; // message has constant size
svgame.msg_realsize = 0;
svgame.msg_dest = msg_dest;
svgame.msg_ent = ed;
// enable message tracing
svgame.msg_trace = sv_trace_messages.value != 0 &&
msg_num > svc_lastmsg &&
Q_strcmp( svgame.msg_name, "ReqState" );
if( svgame.msg_trace ) Con_Printf( "^3%s( %i, %s )\n", __func__, msg_dest, svgame.msg_name );
}
/*
=============
pfnMessageEnd
=============
*/
static void GAME_EXPORT pfnMessageEnd( void )
{
const char *name = "Unknown";
float *org = NULL;
word realsize;
if( svgame.msg_name ) name = svgame.msg_name;
if( !svgame.msg_started ) Host_Error( "%s: called with no active message\n", __func__ );
svgame.msg_started = false;
if( MSG_CheckOverflow( &sv.multicast ))
{
Con_Printf( S_ERROR "%s: %s has overflow multicast buffer\n", __func__, name );
MSG_Clear( &sv.multicast );
return;
}
if( svgame.msg_rewrite_index != 0 )
{
if( SV_RewriteMessage( ))
{
if( MSG_CheckOverflow( &sv.multicast ))
{
Con_Printf( S_ERROR "%s: %s has overflow multicast buffer (post-rewrite)\n", __func__, name );
MSG_Clear( &sv.multicast );
return;
}
}
else
{
Con_Printf( S_ERROR "%s: failed to rewrite message %s\n", __func__, name );
MSG_Clear( &sv.multicast );
return;
}
}
// check for system message
if( svgame.msg_index < 0 )
{
if( svgame.msg_size_index != -1 )
{
// variable sized message
if( svgame.msg_realsize > MAX_USERMSG_LENGTH )
{
Con_Printf( S_ERROR "%s: %s too long (more than %d bytes)\n", __func__, name, MAX_USERMSG_LENGTH );
MSG_Clear( &sv.multicast );
return;
}
else if( svgame.msg_realsize < 0 )
{
Con_Printf( S_ERROR "%s: %s writes NULL message\n", __func__, name );
MSG_Clear( &sv.multicast );
return;
}
realsize = svgame.msg_realsize;
memcpy( &sv.multicast.pData[svgame.msg_size_index], &realsize, sizeof( realsize ));
}
}
else if( svgame.msg[svgame.msg_index].size != -1 )
{
int expsize = svgame.msg[svgame.msg_index].size;
int realsize = svgame.msg_realsize;
// compare sizes
if( expsize != realsize )
{
Con_Printf( S_ERROR "%s: %s expected %i bytes, it written %i. Ignored.\n", __func__, name, expsize, realsize );
MSG_Clear( &sv.multicast );
return;
}
}
else if( svgame.msg_size_index != -1 )
{
// variable sized message
if( svgame.msg_realsize > MAX_USERMSG_LENGTH )
{
Con_Printf( S_ERROR "%s: %s too long (more than %d bytes)\n", __func__, name, MAX_USERMSG_LENGTH );
MSG_Clear( &sv.multicast );
return;
}
else if( svgame.msg_realsize < 0 )
{
Con_Printf( S_ERROR "%s: %s writes NULL message\n", __func__, name );
MSG_Clear( &sv.multicast );
return;
}
realsize = svgame.msg_realsize;
memcpy( &sv.multicast.pData[svgame.msg_size_index], &realsize, sizeof( realsize ));
}
else
{
// this should never happen
Con_Printf( S_ERROR "%s: %s have encountered error\n", __func__, name );
MSG_Clear( &sv.multicast );
return;
}
// update some messages in case their was format was changed and we want to keep backward compatibility
if( svgame.msg_index < 0 )
{
if(( svgame.msg_index == -svc_finale || svgame.msg_index == -svc_cutscene ) && svgame.msg_realsize == 0 )
MSG_WriteChar( &sv.multicast, 0 ); // write null string
}
if( !VectorIsNull( svgame.msg_org )) org = svgame.msg_org;
svgame.msg_dest = bound( MSG_BROADCAST, svgame.msg_dest, MSG_SPEC );
SV_Multicast( svgame.msg_dest, org, svgame.msg_ent, true, false );
if( svgame.msg_trace ) Con_Printf( "^3%s()\n", __func__ );
}
/*
=============
pfnWriteByte
=============
*/
static void GAME_EXPORT pfnWriteByte( int iValue )
{
if( iValue == -1 ) iValue = 0xFF; // convert char to byte
MSG_WriteByte( &sv.multicast, (byte)iValue );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %i )\n", __func__, iValue );
svgame.msg_realsize++;
}
/*
=============
pfnWriteChar
=============
*/
static void GAME_EXPORT pfnWriteChar( int iValue )
{
MSG_WriteChar( &sv.multicast, (signed char)iValue );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %i )\n", __func__, iValue );
svgame.msg_realsize++;
}
/*
=============
pfnWriteShort
=============
*/
static void GAME_EXPORT pfnWriteShort( int iValue )
{
MSG_WriteShort( &sv.multicast, (short)iValue );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %i )\n", __func__, iValue );
svgame.msg_realsize += 2;
}
/*
=============
pfnWriteLong
=============
*/
static void GAME_EXPORT pfnWriteLong( int iValue )
{
MSG_WriteLong( &sv.multicast, iValue );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %i )\n", __func__, iValue );
svgame.msg_realsize += 4;
}
/*
=============
pfnWriteAngle
this is low-res angle
=============
*/
static void GAME_EXPORT pfnWriteAngle( float flValue )
{
int iAngle = ((int)(( flValue ) * 256 / 360) & 255);
MSG_WriteChar( &sv.multicast, iAngle );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %f )\n", __func__, flValue );
svgame.msg_realsize += 1;
}
/*
=============
pfnWriteCoord
=============
*/
static void GAME_EXPORT pfnWriteCoord( float flValue )
{
MSG_WriteCoord( &sv.multicast, flValue );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %f )\n", __func__, flValue );
svgame.msg_realsize += 2;
}
/*
=============
pfnWriteString
=============
*/
static void GAME_EXPORT pfnWriteString( const char *src )
{
MSG_WriteString( &sv.multicast, src );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %s )\n", __func__, src );
// NOTE: some messages with constant string length can be marked as known sized
svgame.msg_realsize += Q_strlen( src ) + 1;
}
/*
=============
pfnWriteEntity
=============
*/
static void GAME_EXPORT pfnWriteEntity( int iValue )
{
if( iValue < 0 || iValue >= svgame.numEntities )
Host_Error( "%s: invalid entnumber %i\n", __func__, iValue );
MSG_WriteShort( &sv.multicast, (short)iValue );
if( svgame.msg_trace ) Con_Printf( "\t^3%s( %i )\n", __func__, iValue );
svgame.msg_realsize += 2;
}
/*
=============
pfnCvar_RegisterServerVariable
standard path to register game variable
=============
*/
static void GAME_EXPORT pfnCvar_RegisterServerVariable( cvar_t *variable )
{
if( variable != NULL )
{
SetBits( variable->flags, FCVAR_EXTDLL );
Cvar_RegisterVariable( (convar_t *)variable );
}
}
/*
=============
pfnAlertMessage
=============
*/
static void pfnAlertMessage( ALERT_TYPE type, char *szFmt, ... ) _format( 2 );
static void GAME_EXPORT pfnAlertMessage( ALERT_TYPE type, char *szFmt, ... )
{
char buffer[2048];
va_list args;
if( type == at_logged && svs.maxclients > 1 )
{
va_start( args, szFmt );
Q_vsnprintf( buffer, sizeof( buffer ), szFmt, args );
va_end( args );
Log_Printf( "%s", buffer );
return;
}
if( host_developer.value <= DEV_NONE )
return;
// g-cont: some mods have wrong aiconsole messages that crash the engine
if( type == at_aiconsole && host_developer.value < DEV_EXTENDED )
return;
va_start( args, szFmt );
Q_vsnprintf( buffer, sizeof( buffer ), szFmt, args );
va_end( args );
// check message for pass
switch( type )
{
case at_notice:
Con_Printf( S_NOTE "%s", buffer );
break;
case at_console:
Con_Printf( "%s", buffer );
break;
case at_aiconsole:
Con_DPrintf( "%s", buffer );
break;
case at_warning:
Con_Printf( S_WARN "%s", buffer );
break;
case at_error:
Con_Printf( S_ERROR "%s", buffer );
break;
}
}
/*
=============
pfnEngineFprintf
OBSOLETE, UNUSED
=============
*/
static void GAME_EXPORT pfnEngineFprintf( FILE *pfile, char *szFmt, ... )
{
}
/*
=============
pfnBuildSoundMsg
Customizable sound message
=============
*/
static void GAME_EXPORT pfnBuildSoundMsg( edict_t *pSource, int chan, const char *samp, float fvol, float attn, int fFlags, int pitch, int msg_dest, int msg_type, const float *pOrigin, edict_t *pSend )
{
pfnMessageBegin( msg_dest, msg_type, pOrigin, pSend );
SV_BuildSoundMsg( &sv.multicast, pSource, chan, samp, fvol * 255, attn, fFlags, pitch, pOrigin );
pfnMessageEnd();
}
/*
=============
pfnPvAllocEntPrivateData
=============
*/
static void *GAME_EXPORT pfnPvAllocEntPrivateData( edict_t *pEdict, long cb )
{
Assert( pEdict != NULL );
SV_FreePrivateData( pEdict );
if( cb > 0 )
{
// a poke646 have memory corrupt in somewhere - this is trashed last sixteen bytes :(
pEdict->pvPrivateData = Mem_Calloc( svgame.mempool, (cb + 15) & ~15 );
}
return pEdict->pvPrivateData;
}
/*
=============
pfnPvEntPrivateData
we already have copy of this function in 'enginecallback.h' :-)
=============
*/
static void *GAME_EXPORT pfnPvEntPrivateData( edict_t *pEdict )
{
if( pEdict )
return pEdict->pvPrivateData;
return NULL;
}
static struct str64_s
{
size_t maxstringarray;
qboolean allowdup;
qboolean dynamic;
char *staticstringarray;
char *pstringarray;
char *pstringarraystatic;
char *pstringbase;
char *poldstringbase;
char *plast;
size_t maxalloc;
size_t numdups;
size_t numoverflows;
size_t totalalloc;
} str64;
/*
==================
SV_EmptyStringPool
Free strings on server stop. Reset string pointer on 64 bits
==================
*/
void SV_EmptyStringPool( void )
{
#if XASH_64BIT
if( str64.dynamic ) // switch only after array fill (more space for multiplayer games)
str64.pstringbase = str64.pstringarray;
else
{
str64.pstringbase = str64.poldstringbase = str64.pstringarraystatic;
str64.plast = str64.pstringbase + 1;
}
#else // !XASH_64BIT
Mem_EmptyPool( svgame.stringspool );
#endif // !XASH_64BIT
}
/*
===============
SV_SetStringArrayMode
use different arrays on 64 bit platforms
set dynamic after complete server spawn
this helps not to lose strings that belongs to static game part
===============
*/
void SV_SetStringArrayMode( qboolean dynamic )
{
#if XASH_64BIT
Con_Reportf( "%s(%d) %d\n", __func__, dynamic, str64.dynamic );
if( dynamic == str64.dynamic )
return;
str64.dynamic = dynamic;
SV_EmptyStringPool();
#endif // !XASH_64BIT
}
#if XASH_AMD64 && XASH_LINUX && !XASH_ANDROID
#define USE_MMAP 1
#include <sys/mman.h>
#endif
/*
==================
SV_AllocStringPool
alloc string pool on 32bit platforms
alloc string array near the server library on 64bit platforms if possible
alloc string array somewhere if not (MAKE_STRING will not work. Always call ALLOC_STRING instead, or crash)
this case need patched game dll with MAKE_STRING checking ptrdiff size
==================
*/
static void SV_AllocStringPool( void )
{
#if XASH_64BIT
void *ptr = NULL;
string lenstr;
Con_Reportf( "%s()\n", __func__ );
if( Sys_GetParmFromCmdLine( "-str64alloc", lenstr ) )
{
str64.maxstringarray = Q_atoi( lenstr );
if( str64.maxstringarray < 1024 || str64.maxstringarray >= INT_MAX )
str64.maxstringarray = 65536;
}
else str64.maxstringarray = 65536;
if( Sys_CheckParm( "-str64dup" ) )
str64.allowdup = true;
#if USE_MMAP
{
uint flags;
size_t pagesize = sysconf( _SC_PAGESIZE );
int arrlen = (str64.maxstringarray * 2) & ~(pagesize - 1);
void *base = svgame.dllFuncs.pfnGameInit;
void *start = svgame.hInstance - arrlen;
#if defined(MAP_ANON)
flags = MAP_ANON | MAP_PRIVATE;
#elif defined(MAP_ANONYMOUS)
flags = MAP_ANONYMOUS | MAP_PRIVATE;
#endif
while( start - base > INT_MIN )
{
void *mapptr = mmap((void*)((unsigned long)start & ~(pagesize - 1)), arrlen, PROT_READ | PROT_WRITE, flags, 0, 0 );
if( mapptr && mapptr != (void*)-1 && mapptr - base > INT_MIN && mapptr - base < INT_MAX )
{
ptr = mapptr;
break;
}
if( mapptr ) munmap( mapptr, arrlen );
start -= arrlen;
}
if( !ptr )
{
start = base;
while( start - base < INT_MAX )
{
void *mapptr = mmap((void*)((unsigned long)start & ~(pagesize - 1)), arrlen, PROT_READ | PROT_WRITE, flags, 0, 0 );
if( mapptr && mapptr != (void*)-1 && mapptr - base > INT_MIN && mapptr - base < INT_MAX )
{
ptr = mapptr;
break;
}
if( mapptr ) munmap( mapptr, arrlen );
start += arrlen;
}
}
if( ptr )
{
Con_Reportf( "%s: Allocated string array near the server library: %p %p\n", __func__, base, ptr );
}
else
{
Con_Reportf( "%s: Failed to allocate string array near the server library!\n", __func__ );
ptr = str64.staticstringarray = Mem_Calloc( host.mempool, str64.maxstringarray * 2 );
}
}
#else // !USE_MMAP
ptr = str64.staticstringarray = Mem_Calloc( host.mempool, str64.maxstringarray * 2 );
#endif // !USE_MMAP
str64.pstringarray = ptr;
str64.pstringarraystatic = (byte*)ptr + str64.maxstringarray;
str64.pstringbase = str64.poldstringbase = ptr;
str64.plast = (byte*)ptr + 1;
svgame.globals->pStringBase = ptr;
#else // !XASH_64BIT
svgame.stringspool = Mem_AllocPool( "Server Strings" );
svgame.globals->pStringBase = "";
#endif // !XASH_64BIT
}
static void SV_FreeStringPool( void )
{
#if XASH_64BIT
Con_Reportf( "%s()\n", __func__ );
#if USE_MMAP
if( str64.pstringarray != str64.staticstringarray )
munmap( str64.pstringarray, (str64.maxstringarray * 2) & ~(sysconf( _SC_PAGESIZE ) - 1) );
else
#endif // USE_MMAP
{
Mem_Free( str64.staticstringarray );
}
#else // !XASH_64BIT
Mem_FreePool( &svgame.stringspool );
#endif // !XASH_64BIT
}
/*
============
SV_ProcessString
Process newly allocated string
pass NULL pointer to dst to get required length incl. null terminator
============
*/
static uint SV_ProcessString( char *dst, const char *src )
{
const char *p;
uint i = 0;
p = src;
while( *p )
{
if( *p == '\\' )
{
char replace = 0;
switch( p[1] )
{
case 'n': replace = '\n'; break;
// GoldSrc doesn't replace these symbols
// but old hack in pfnWriteString did
case 'r': replace = '\r'; break;
case 't': replace = '\t'; break;
}
if( replace )
{
if( dst )
dst[i] = replace;
i++;
p += 2;
continue;
}
}
if( dst )
dst[i] = *p;
i++;
p++;
}
// null terminator
if( dst )
dst[i] = '\0';
i++;
return i;
}
/*
=============
SV_AllocString
allocate new engine string
on 64bit platforms find in array string if deduplication enabled (default)
if not found, add to array
use -str64dup to disable deduplication, -str64alloc to set array size
=============
*/
string_t GAME_EXPORT SV_AllocString( const char *szValue )
{
char *newString = NULL;
uint len;
int cmp;
if( svgame.physFuncs.pfnAllocString != NULL )
{
string_t i;
newString = Mem_Malloc( host.mempool, SV_ProcessString( NULL, szValue ));
SV_ProcessString( newString, szValue );
i = svgame.physFuncs.pfnAllocString( newString );
Mem_Free( newString );
return i;
}
#if XASH_64BIT
cmp = 1;
if( !str64.allowdup )
{
for( newString = str64.poldstringbase + 1;
newString < str64.plast && ( cmp = Q_strcmp( newString, szValue ) );
newString += Q_strlen( newString ) + 1 );
}
if( cmp )
{
uint len = SV_ProcessString( NULL, szValue );
if( str64.plast - str64.poldstringbase + len + 1 > str64.maxstringarray )
{
str64.plast = str64.pstringbase + 1;
str64.poldstringbase = str64.pstringbase;
str64.numoverflows++;
}
//MsgDev( D_NOTE, "SV_AllocString: %ld %s\n", str64.plast - svgame.globals->pStringBase, szValue );
SV_ProcessString( str64.plast, szValue );
str64.totalalloc += len;
newString = str64.plast;
str64.plast += len;
}
else
{
str64.numdups++;
//MsgDev( D_NOTE, "SV_AllocString: dup %ld %s\n", newString - svgame.globals->pStringBase, szValue );
}
if( newString - str64.pstringarray > str64.maxalloc )
str64.maxalloc = newString - str64.pstringarray;
return newString - svgame.globals->pStringBase;
#else // !XASH_64BIT
len = SV_ProcessString( NULL, szValue );
newString = Mem_Malloc( svgame.stringspool, len );
SV_ProcessString( newString, szValue );
return newString - svgame.globals->pStringBase;
#endif // !XASH_64BIT
}
void SV_PrintStr64Stats_f( void )
{
#if XASH_64BIT
Con_Printf( "====================\n" );
Con_Printf( "64 bit string pool statistics\n" );
Con_Printf( "====================\n" );
Con_Printf( "string array size: %lu\n", str64.maxstringarray );
Con_Printf( "total alloc %lu\n", str64.totalalloc );
Con_Printf( "maximum array usage: %lu\n", str64.maxalloc );
Con_Printf( "overflow counter: %lu\n", str64.numoverflows );
Con_Printf( "dup string counter: %lu\n", str64.numdups );
#else // !XASH_64BIT
Con_Printf( "Not implemented\n" );
#endif // !XASH_64BIT
}
/*
=============
SV_MakeString
make constant string
=============
*/
string_t SV_MakeString( const char *szValue )
{
if( svgame.physFuncs.pfnMakeString != NULL )
return svgame.physFuncs.pfnMakeString( szValue );
#if XASH_64BIT
{
long long ptrdiff = szValue - svgame.globals->pStringBase;
if( ptrdiff > INT_MAX || ptrdiff < INT_MIN )
return SV_AllocString(szValue);
else
return (int)ptrdiff;
}
#else // !XASH_64BIT
return szValue - svgame.globals->pStringBase;
#endif // !XASH_64BIT
}
/*
=============
SV_GetString
=============
*/
const char *GAME_EXPORT SV_GetString( string_t iString )
{
if( svgame.physFuncs.pfnGetString != NULL )
return svgame.physFuncs.pfnGetString( iString );
return (svgame.globals->pStringBase + iString);
}
/*
=============
pfnGetVarsOfEnt
=============
*/
static entvars_t *GAME_EXPORT pfnGetVarsOfEnt( edict_t *pEdict )
{
if( pEdict )
return &pEdict->v;
return NULL;
}
/*
=============
pfnPEntityOfEntOffset
=============
*/
static edict_t *GAME_EXPORT pfnPEntityOfEntOffset( int iEntOffset )
{
return (edict_t *)((byte *)svgame.edicts + iEntOffset);
}
/*
=============
pfnEntOffsetOfPEntity
=============
*/
static int GAME_EXPORT pfnEntOffsetOfPEntity( const edict_t *pEdict )
{
return (byte *)pEdict - (byte *)svgame.edicts;
}
/*
=============
pfnIndexOfEdict
=============
*/
int GAME_EXPORT pfnIndexOfEdict( const edict_t *pEdict )
{
int number;
if( !pEdict ) return 0; // world ?
number = NUM_FOR_EDICT( pEdict );
if( number < 0 || number > GI->max_edicts )
Host_Error( "bad entity number %d\n", number );
return number;
}
/*
=============
pfnPEntityOfEntIndex
=============
*/
static edict_t *pfnPEntityOfEntIndexBroken( int iEntIndex )
{
// have to be bug-compatible with GoldSrc in this function
return SV_PEntityOfEntIndex( iEntIndex, false );
}
/*
=============
pfnPEntityOfEntIndexAllEntities
=============
*/
static edict_t *GAME_EXPORT pfnPEntityOfEntIndexAllEntities( int iEntIndex )
{
return SV_PEntityOfEntIndex( iEntIndex, true );
}
/*
=============
pfnFindEntityByVars
debug thing
=============
*/
static edict_t *GAME_EXPORT pfnFindEntityByVars( entvars_t *pvars )
{
edict_t *pEdict;
int i;
// don't pass invalid arguments
if( !pvars ) return NULL;
for( i = 0; i < GI->max_edicts; i++ )
{
pEdict = EDICT_NUM( i );
// g-cont: we should compare pointers
if( &pEdict->v == pvars )
return pEdict; // found it
}
return NULL;
}
/*
=============
pfnGetModelPtr
returns pointer to a studiomodel
=============
*/
static void *pfnGetModelPtr( edict_t *pEdict )
{
model_t *mod;
if( !SV_IsValidEdict( pEdict ))
return NULL;
mod = SV_ModelHandle( pEdict->v.modelindex );
return Mod_StudioExtradata( mod );
}
/*
=============
SV_SendUserReg
=============
*/
void SV_SendUserReg( sizebuf_t *msg, sv_user_message_t *user )
{
MSG_BeginServerCmd( msg, svc_usermessage );
MSG_WriteByte( msg, user->number );
MSG_WriteWord( msg, (word)user->size );
MSG_WriteString( msg, user->name );
}
/*
=============
pfnRegUserMsg
=============
*/
static int GAME_EXPORT pfnRegUserMsg( const char *pszName, int iSize )
{
int i;
if( !COM_CheckString( pszName ))
return svc_bad;
if( Q_strlen( pszName ) >= sizeof( svgame.msg[0].name ))
{
Con_Printf( S_ERROR "%s: too long name %s\n", __func__, pszName );
return svc_bad; // force error
}
if( iSize > MAX_USERMSG_LENGTH )
{
Con_Printf( S_ERROR "%s: %s has too big size %i\n", __func__, pszName, iSize );
return svc_bad; // force error
}
// make sure what size inrange
iSize = bound( -1, iSize, MAX_USERMSG_LENGTH );
// message 0 is reserved for svc_bad
for( i = 1; i < MAX_USER_MESSAGES && svgame.msg[i].name[0]; i++ )
{
// see if already registered
if( !Q_strcmp( svgame.msg[i].name, pszName ))
return svc_lastmsg + i; // offset
}
if( i == MAX_USER_MESSAGES )
{
Con_Printf( S_ERROR "%s: user messages limit exceeded\n", __func__ );
return svc_bad;
}
// register new message
Q_strncpy( svgame.msg[i].name, pszName, sizeof( svgame.msg[i].name ));
svgame.msg[i].number = svc_lastmsg + i;
svgame.msg[i].size = iSize;
if( sv.state == ss_active )
{
// tell the client about new user message
SV_SendUserReg( &sv.multicast, &svgame.msg[i] );
SV_Multicast( MSG_ALL, NULL, NULL, false, false );
}
return svgame.msg[i].number;
}
/*
=============
pfnAnimationAutomove
OBSOLETE, UNUSED
=============
*/
static void GAME_EXPORT pfnAnimationAutomove( const edict_t* pEdict, float flTime )
{
}
/*
=============
pfnGetBonePosition
=============
*/
static void GAME_EXPORT pfnGetBonePosition( const edict_t* pEdict, int iBone, float *rgflOrigin, float *rgflAngles )
{
if( !SV_IsValidEdict( pEdict ))
return;
Mod_GetBonePosition( pEdict, iBone, rgflOrigin, rgflAngles );
}
/*
=============
pfnFunctionFromName
=============
*/
static void *GAME_EXPORT pfnFunctionFromName( const char *pName )
{
return COM_FunctionFromName_SR( svgame.hInstance, pName );
}
/*
=============
pfnNameForFunction
=============
*/
static const char *GAME_EXPORT pfnNameForFunction( void *function )
{
return COM_NameForFunction( svgame.hInstance, function );
}
/*
=============
pfnClientPrintf
=============
*/
static void GAME_EXPORT pfnClientPrintf( edict_t* pEdict, PRINT_TYPE ptype, const char *szMsg )
{
sv_client_t *client;
if(( client = SV_ClientFromEdict( pEdict, false )) == NULL )
{
Con_Printf( "tried to sprint to a non-client\n" );
return;
}
if( FBitSet( client->flags, FCL_FAKECLIENT ))
return;
switch( ptype )
{
case print_console:
case print_chat:
SV_ClientPrintf( client, "%s", szMsg );
break;
case print_center:
MSG_BeginServerCmd( &client->netchan.message, svc_centerprint );
MSG_WriteString( &client->netchan.message, szMsg );
break;
}
}
/*
=============
pfnServerPrint
print to the server console
=============
*/
static void GAME_EXPORT pfnServerPrint( const char *szMsg )
{
if( FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE ))
SV_BroadcastPrintf( NULL, "%s", szMsg );
else Con_Printf( "%s", szMsg );
}
/*
=============
pfnGetAttachment
=============
*/
static void GAME_EXPORT pfnGetAttachment( const edict_t *pEdict, int iAttachment, float *rgflOrigin, float *rgflAngles )
{
if( !SV_IsValidEdict( pEdict ))
return;
Mod_StudioGetAttachment( pEdict, iAttachment, rgflOrigin, rgflAngles );
}
/*
=============
pfnCrosshairAngle
=============
*/
static void GAME_EXPORT pfnCrosshairAngle( const edict_t *pClient, float pitch, float yaw )
{
sv_client_t *client;
if(( client = SV_ClientFromEdict( pClient, true )) == NULL )
return;
// fakeclients ignores it silently
if( FBitSet( client->flags, FCL_FAKECLIENT ))
return;
if( pitch > 180.0f ) pitch -= 360;
if( pitch < -180.0f ) pitch += 360;
if( yaw > 180.0f ) yaw -= 360;
if( yaw < -180.0f ) yaw += 360;
MSG_BeginServerCmd( &client->netchan.message, svc_crosshairangle );
MSG_WriteChar( &client->netchan.message, pitch * 5 );
MSG_WriteChar( &client->netchan.message, yaw * 5 );
}
/*
=============
pfnSetView
=============
*/
static void GAME_EXPORT pfnSetView( const edict_t *pClient, const edict_t *pViewent )
{
sv_client_t *client;
int viewEnt;
if( !SV_IsValidEdict( pClient ))
return;
if(( client = SV_ClientFromEdict( pClient, false )) == NULL )
{
Con_Printf( S_ERROR "%s: not a client!\n", __func__ );
return;
}
if( !SV_IsValidEdict( pViewent ) || pClient == pViewent )
client->pViewEntity = NULL; // just reset viewentity
else client->pViewEntity = (edict_t *)pViewent;
// fakeclients ignore to send client message (but can see into the trigger_camera through the PVS)
if( FBitSet( client->flags, FCL_FAKECLIENT ))
return;
if( client->pViewEntity )
viewEnt = NUM_FOR_EDICT( client->pViewEntity );
else viewEnt = NUM_FOR_EDICT( client->edict );
MSG_BeginServerCmd( &client->netchan.message, svc_setview );
MSG_WriteWord( &client->netchan.message, viewEnt );
}
/*
=============
pfnStaticDecal
=============
*/
static void GAME_EXPORT pfnStaticDecal( const float *origin, int decalIndex, int entityIndex, int modelIndex )
{
SV_CreateDecal( &sv.signon, origin, decalIndex, entityIndex, modelIndex, FDECAL_PERMANENT, 1.0f );
}
/*
=============
pfnIsDedicatedServer
=============
*/
static int GAME_EXPORT pfnIsDedicatedServer( void )
{
return Host_IsDedicated();
}
/*
=============
pfnGetPlayerWONId
OBSOLETE, UNUSED
=============
*/
static uint GAME_EXPORT pfnGetPlayerWONId( edict_t *e )
{
return (uint)-1;
}
/*
=============
pfnIsMapValid
vaild map must contain one info_player_deatchmatch
=============
*/
int GAME_EXPORT pfnIsMapValid( char *filename )
{
uint flags = SV_MapIsValid( filename, NULL );
if( FBitSet( flags, MAP_IS_EXIST ))
return true;
return false;
}
/*
=============
pfnCvar_RegisterEngineVariable
use with precaution: this cvar will NOT unlinked
after game.dll is unloaded
=============
*/
static void GAME_EXPORT pfnCvar_RegisterEngineVariable( cvar_t *variable )
{
Cvar_RegisterVariable( (convar_t *)variable );
}
/*
=============
pfnFadeClientVolume
=============
*/
static void GAME_EXPORT pfnFadeClientVolume( const edict_t *pEdict, int fadePercent, int fadeOutSeconds, int holdTime, int fadeInSeconds )
{
sv_client_t *cl;
if(( cl = SV_ClientFromEdict( pEdict, true )) == NULL )
return;
if( FBitSet( cl->flags, FCL_FAKECLIENT ))
return;
MSG_BeginServerCmd( &cl->netchan.message, svc_soundfade );
MSG_WriteByte( &cl->netchan.message, fadePercent );
MSG_WriteByte( &cl->netchan.message, holdTime );
MSG_WriteByte( &cl->netchan.message, fadeOutSeconds );
MSG_WriteByte( &cl->netchan.message, fadeInSeconds );
}
/*
=============
pfnSetClientMaxspeed
fakeclients can be changed speed to
=============
*/
static void GAME_EXPORT pfnSetClientMaxspeed( const edict_t *pEdict, float fNewMaxspeed )
{
sv_client_t *cl;
// not spawned clients allowed
if(( cl = SV_ClientFromEdict( pEdict, false )) == NULL )
return;
fNewMaxspeed = bound( -svgame.movevars.maxspeed, fNewMaxspeed, svgame.movevars.maxspeed );
Info_SetValueForKeyf( cl->physinfo, "maxspd", MAX_INFO_STRING, "%.f", fNewMaxspeed );
cl->edict->v.maxspeed = fNewMaxspeed;
}
/*
=============
pfnRunPlayerMove
=============
*/
static void GAME_EXPORT pfnRunPlayerMove( edict_t *pClient, const float *viewangles, float fmove, float smove, float upmove, word buttons, byte impulse, byte msec )
{
sv_client_t *cl, *oldcl;
usercmd_t cmd;
uint seed;
if(( cl = SV_ClientFromEdict( pClient, true )) == NULL )
return;
if( !FBitSet( cl->flags, FCL_FAKECLIENT ))
return; // only fakeclients allows
oldcl = sv.current_client;
sv.current_client = SV_ClientFromEdict( pClient, true );
sv.current_client->timebase = (sv.time + sv.frametime) - ((double)msec / 1000.0);
memset( &cmd, 0, sizeof( cmd ));
VectorCopy( viewangles, cmd.viewangles );
cmd.forwardmove = fmove;
cmd.sidemove = smove;
cmd.upmove = upmove;
cmd.buttons = buttons;
cmd.impulse = impulse;
cmd.msec = msec;
seed = COM_RandomLong( 0, 0x7fffffff ); // full range
SV_RunCmd( cl, &cmd, seed );
cl->lastcmd = cmd;
sv.current_client = oldcl;
}
/*
=============
pfnNumberOfEntities
returns actual entity count
=============
*/
int GAME_EXPORT pfnNumberOfEntities( void )
{
int i, total = 0;
for( i = 0; i < svgame.numEntities; i++ )
{
if( svgame.edicts[i].free )
continue;
total++;
}
return total;
}
/*
=============
pfnGetInfoKeyBuffer
=============
*/
static char *GAME_EXPORT pfnGetInfoKeyBuffer( edict_t *e )
{
sv_client_t *cl;
// NULL passes localinfo
if( !SV_IsValidEdict( e ))
return svs.localinfo;
// world passes serverinfo
if( e == svgame.edicts )
return svs.serverinfo;
// userinfo for specified edict
if(( cl = SV_ClientFromEdict( e, false )) != NULL )
return cl->userinfo;
return (char*)""; // assume error
}
/*
=============
pfnSetValueForKey
=============
*/
static void GAME_EXPORT pfnSetValueForKey( char *infobuffer, char *key, char *value )
{
if( infobuffer == svs.localinfo )
Info_SetValueForStarKey( infobuffer, key, value, MAX_LOCALINFO_STRING );
else if( infobuffer == svs.serverinfo )
Info_SetValueForStarKey( infobuffer, key, value, MAX_SERVERINFO_STRING );
else Con_Printf( S_ERROR "can't set client keys with SetValueForKey\n" );
}
/*
=============
pfnSetClientKeyValue
=============
*/
static void GAME_EXPORT pfnSetClientKeyValue( int clientIndex, char *infobuffer, char *key, char *value )
{
sv_client_t *cl;
if( infobuffer == svs.localinfo || infobuffer == svs.serverinfo )
return;
clientIndex -= 1;
if( !svs.clients || clientIndex < 0 || clientIndex >= svs.maxclients )
return;
// value not changed?
if( !Q_strcmp( Info_ValueForKey( infobuffer, key ), value ))
return;
cl = &svs.clients[clientIndex];
Info_SetValueForStarKey( infobuffer, key, value, MAX_INFO_STRING );
SetBits( cl->flags, FCL_RESEND_USERINFO );
cl->next_sendinfotime = 0.0; // send immediately
}
/*
=============
pfnGetPhysicsKeyValue
=============
*/
static const char *GAME_EXPORT pfnGetPhysicsKeyValue( const edict_t *pClient, const char *key )
{
sv_client_t *cl;
// pfnUserInfoChanged passed
if(( cl = SV_ClientFromEdict( pClient, false )) == NULL )
{
Con_Printf( S_ERROR "%s: tried to a non-client!\n", __func__ );
return "";
}
return Info_ValueForKey( cl->physinfo, key );
}
/*
=============
pfnSetPhysicsKeyValue
=============
*/
static void GAME_EXPORT pfnSetPhysicsKeyValue( const edict_t *pClient, const char *key, const char *value )
{
sv_client_t *cl;
// pfnUserInfoChanged passed
if(( cl = SV_ClientFromEdict( pClient, false )) == NULL )
{
Con_Printf( S_ERROR "%s: tried to a non-client!\n", __func__ );
return;
}
Info_SetValueForKey( cl->physinfo, key, value, MAX_INFO_STRING );
}
/*
=============
pfnGetPhysicsInfoString
=============
*/
static const char *GAME_EXPORT pfnGetPhysicsInfoString( const edict_t *pClient )
{
sv_client_t *cl;
// pfnUserInfoChanged passed
if(( cl = SV_ClientFromEdict( pClient, false )) == NULL )
{
Con_Printf( S_ERROR "%s: tried to a non-client!\n", __func__ );
return "";
}
return cl->physinfo;
}
/*
=============
pfnPrecacheEvent
register or returns already registered event id
a type of event is ignored at this moment
=============
*/
static word GAME_EXPORT pfnPrecacheEvent( int type, const char *psz )
{
return (word)SV_EventIndex( psz );
}
/*
=============
pfnPlaybackEvent
=============
*/
void GAME_EXPORT SV_PlaybackEventFull( int flags, const edict_t *pInvoker, word eventindex, float delay, float *origin,
float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 )
{
sv_client_t *cl;
event_state_t *es;
event_args_t args;
event_info_t *ei = NULL;
int j, slot, bestslot;
int invokerIndex;
byte *mask = NULL;
vec3_t pvspoint;
if( FBitSet( flags, FEV_CLIENT ))
return; // someone stupid joke
// first check event for out of bounds
if( eventindex < 1 || eventindex >= MAX_EVENTS )
{
Con_Printf( S_ERROR "%s: invalid eventindex %i\n", __func__, eventindex );
return;
}
// check event for precached
if( !COM_CheckString( sv.event_precache[eventindex] ))
{
Con_Printf( S_ERROR "%s: event %i was not precached\n", __func__, eventindex );
return;
}
memset( &args, 0, sizeof( args ));
if( origin && !VectorIsNull( origin ))
{
VectorCopy( origin, args.origin );
args.flags |= FEVENT_ORIGIN;
}
if( angles && !VectorIsNull( angles ))
{
VectorCopy( angles, args.angles );
args.flags |= FEVENT_ANGLES;
}
// copy other parms
args.fparam1 = fparam1;
args.fparam2 = fparam2;
args.iparam1 = iparam1;
args.iparam2 = iparam2;
args.bparam1 = bparam1;
args.bparam2 = bparam2;
VectorClear( pvspoint );
if( SV_IsValidEdict( pInvoker ))
{
// add the view_ofs to avoid problems with crossed contents line
VectorAdd( pInvoker->v.origin, pInvoker->v.view_ofs, pvspoint );
args.entindex = invokerIndex = NUM_FOR_EDICT( pInvoker );
// g-cont. allow 'ducking' param for all entities
args.ducking = FBitSet( pInvoker->v.flags, FL_DUCKING ) ? true : false;
// this will be send only for reliable event
if( !FBitSet( args.flags, FEVENT_ORIGIN ))
VectorCopy( pInvoker->v.origin, args.origin );
// this will be send only for reliable event
if( !FBitSet( args.flags, FEVENT_ANGLES ))
VectorCopy( pInvoker->v.angles, args.angles );
}
else
{
VectorCopy( args.origin, pvspoint );
args.entindex = 0;
invokerIndex = -1;
}
if( !FBitSet( flags, FEV_GLOBAL ) && VectorIsNull( pvspoint ))
{
Con_DPrintf( S_ERROR "%s: not a FEV_GLOBAL event missing origin. Ignored.\n", sv.event_precache[eventindex] );
return;
}
// check event for some user errors
if( FBitSet( flags, FEV_NOTHOST|FEV_HOSTONLY ))
{
if( !SV_ClientFromEdict( pInvoker, true ))
{
const char *ev_name = sv.event_precache[eventindex];
if( FBitSet( flags, FEV_NOTHOST ))
{
Con_DPrintf( S_WARN "%s: specified FEV_NOTHOST when invoker not a client\n", ev_name );
ClearBits( flags, FEV_NOTHOST );
}
if( FBitSet( flags, FEV_HOSTONLY ))
{
Con_DPrintf( S_WARN "%s: specified FEV_HOSTONLY when invoker not a client\n", ev_name );
ClearBits( flags, FEV_HOSTONLY );
}
}
}
SetBits( flags, FEV_SERVER ); // it's a server event!
if( delay < 0.0f ) delay = 0.0f; // fixup negative delays
// setup pvs cluster for invoker
if( !FBitSet( flags, FEV_GLOBAL ))
{
Mod_FatPVS( pvspoint, FATPHS_RADIUS, fatphs, world.fatbytes, false, ( svs.maxclients == 1 ), true );
mask = fatphs; // using the FatPVS like a PHS
}
// process all the clients
for( slot = 0, cl = svs.clients; slot < svs.maxclients; slot++, cl++ )
{
if( cl->state != cs_spawned || !cl->edict || FBitSet( cl->flags, FCL_FAKECLIENT ))
continue;
if( SV_IsValidEdict( pInvoker ) && pInvoker->v.groupinfo && cl->edict->v.groupinfo )
{
if( svs.groupop == GROUP_OP_AND && !FBitSet( cl->edict->v.groupinfo, pInvoker->v.groupinfo ))
continue;
if( svs.groupop == GROUP_OP_NAND && FBitSet( cl->edict->v.groupinfo, pInvoker->v.groupinfo ))
continue;
}
if( SV_IsValidEdict( pInvoker ))
{
if( !SV_CheckClientVisiblity( cl, mask ))
continue;
}
// a1ba: GoldSrc never cleans up host_client pointer (similar to sv.current_client)
// so it's always points at some client and in singleplayer this check always succeedes
// in Xash, however, sv.current_client might be reset and set to NULL
// this is especially dangerous when weapons play events in Think functions
//
// IMHO, it doesn't make sense to me to compare it against current client when we have
// invoker edict pointer but to preserve behaviour check for them both
//
// if it breaks some mods, probably sv.current_client semantics must be reworked to match GoldSrc
if( FBitSet( flags, FEV_NOTHOST ) && ( cl == sv.current_client || cl->edict == pInvoker ) && FBitSet( cl->flags, FCL_LOCAL_WEAPONS ))
continue; // will be played on client side
if( FBitSet( flags, FEV_HOSTONLY ) && cl->edict != pInvoker )
continue; // sending only to invoker
// all checks passed, send the event
// reliable event
if( FBitSet( flags, FEV_RELIABLE ))
{
// skipping queue, write direct into reliable datagram
SV_PlaybackReliableEvent( &cl->netchan.message, eventindex, delay, &args );
continue;
}
// unreliable event (stores in queue)
es = &cl->events;
bestslot = -1;
if( FBitSet( flags, FEV_UPDATE ))
{
for( j = 0; j < MAX_EVENT_QUEUE; j++ )
{
ei = &es->ei[j];
if( ei->index == eventindex && invokerIndex != -1 && invokerIndex == ei->entity_index )
{
bestslot = j;
break;
}
}
}
if( bestslot == -1 )
{
for( j = 0; j < MAX_EVENT_QUEUE; j++ )
{
ei = &es->ei[j];
if( ei->index == 0 )
{
// found an empty slot
bestslot = j;
break;
}
}
}
// no slot found for this player, oh well
if( bestslot == -1 ) continue;
// add event to queue
ei->index = eventindex;
ei->fire_time = delay;
ei->entity_index = invokerIndex;
ei->packet_index = -1;
ei->flags = flags;
ei->args = args;
}
}
/*
=============
pfnGetCurrentPlayer
=============
*/
static int GAME_EXPORT pfnGetCurrentPlayer( void )
{
int idx = sv.current_client - svs.clients;
if( idx < 0 || idx >= svs.maxclients )
return -1;
return idx;
}
/*
=============
pfnSetFatPVS
The client will interpolate the view position,
so we can't use a single PVS point
=============
*/
static byte *GAME_EXPORT pfnSetFatPVS( const float *org )
{
static byte fatpvs[(MAX_MAP_LEAFS+7)/8];
qboolean fullvis = false, merge = false;
if( !sv.worldmodel->visdata || sv_novis.value || !org || CL_DisableVisibility( ))
fullvis = true;
if( FBitSet( sv.hostflags, SVF_MERGE_VISIBILITY ))
merge = true;
Mod_FatPVS( org, FATPVS_RADIUS, fatpvs, world.fatbytes, merge, fullvis, false );
return fatpvs;
}
/*
=============
pfnSetFatPHS
The client will interpolate the hear position,
so we can't use a single PHS point
=============
*/
static byte *GAME_EXPORT pfnSetFatPAS( const float *org )
{
qboolean fullvis = false, merge = false;
if( !sv.worldmodel->visdata || sv_novis.value || !org || CL_DisableVisibility( ))
fullvis = true;
if( FBitSet( sv.hostflags, SVF_MERGE_VISIBILITY ))
merge = true;
Mod_FatPVS( org, FATPHS_RADIUS, fatphs, world.fatbytes, merge, fullvis, true );
return fatphs;
}
/*
=============
pfnCheckVisibility
=============
*/
static int GAME_EXPORT pfnCheckVisibility( const edict_t *ent, byte *pset )
{
int i, leafnum;
if( !SV_IsValidEdict( ent ))
return 0;
// vis not set - fullvis enabled
if( !pset ) return 1;
if( FBitSet( ent->v.flags, FL_CUSTOMENTITY ) && ent->v.owner && FBitSet( ent->v.owner->v.flags, FL_CLIENT ))
ent = ent->v.owner; // upcast beams to my owner
if( ent->headnode < 0 )
{
// check individual leafs
for( i = 0; i < ent->num_leafs; i++ )
{
if( CHECKVISBIT( pset, ent->leafnums[i] ))
return 1; // visible passed by leaf
}
return 0;
}
else
{
for( i = 0; i < MAX_ENT_LEAFS; i++ )
{
leafnum = ent->leafnums[i];
if( leafnum == -1 ) break;
if( CHECKVISBIT( pset, leafnum ))
return 1; // visible passed by leaf
}
// too many leafs for individual check, go by headnode
if( !Mod_HeadnodeVisible( &sv.worldmodel->nodes[ent->headnode], pset, &leafnum ))
return 0;
((edict_t *)ent)->leafnums[ent->num_leafs] = leafnum;
((edict_t *)ent)->num_leafs = (ent->num_leafs + 1) % MAX_ENT_LEAFS;
return 2; // visible passed by headnode
}
}
/*
=============
pfnCanSkipPlayer
=============
*/
static int GAME_EXPORT pfnCanSkipPlayer( const edict_t *player )
{
sv_client_t *cl;
if(( cl = SV_ClientFromEdict( player, false )) == NULL )
return false;
return FBitSet( cl->flags, FCL_LOCAL_WEAPONS ) ? true : false;
}
/*
=============
pfnSetGroupMask
=============
*/
static void GAME_EXPORT pfnSetGroupMask( int mask, int op )
{
svs.groupmask = mask;
svs.groupop = op;
}
/*
=============
pfnCreateInstancedBaseline
=============
*/
static int GAME_EXPORT pfnCreateInstancedBaseline( int classname, struct entity_state_s *baseline )
{
if( !baseline || sv.num_instanced >= MAX_CUSTOM_BASELINES )
return 0;
// g-cont. must sure that classname is really allocated
sv.instanced[sv.num_instanced].classname = SV_CopyString( STRING( classname ));
sv.instanced[sv.num_instanced].baseline = *baseline;
sv.num_instanced++;
return sv.num_instanced;
}
/*
=============
pfnEndSection
=============
*/
static void GAME_EXPORT pfnEndSection( const char *pszSection )
{
if( !Q_stricmp( "oem_end_credits", pszSection ))
Host_Credits ();
else Cbuf_AddText( "\ndisconnect\n" );
}
/*
=============
pfnGetPlayerUserId
=============
*/
static int GAME_EXPORT pfnGetPlayerUserId( edict_t *e )
{
sv_client_t *cl;
if(( cl = SV_ClientFromEdict( e, false )) == NULL )
return -1;
return cl->userid;
}
/*
=============
pfnGetPlayerStats
=============
*/
static void GAME_EXPORT pfnGetPlayerStats( const edict_t *pClient, int *ping, int *packet_loss )
{
sv_client_t *cl;
if( packet_loss ) *packet_loss = 0;
if( ping ) *ping = 0;
if(( cl = SV_ClientFromEdict( pClient, false )) == NULL )
return;
if( packet_loss ) *packet_loss = cl->packet_loss;
if( ping ) *ping = cl->latency * 1000;
}
/*
=============
pfnForceUnmodified
=============
*/
static void GAME_EXPORT pfnForceUnmodified( FORCE_TYPE type, float *mins, float *maxs, const char *filename )
{
consistency_t *pc;
int i;
if( !COM_CheckString( filename ))
return;
if( sv.state == ss_loading )
{
for( i = 0; i < MAX_MODELS; i++ )
{
pc = &sv.consistency_list[i];
if( !pc->filename )
{
if( mins ) VectorCopy( mins, pc->mins );
if( maxs ) VectorCopy( maxs, pc->maxs );
pc->filename = SV_CopyString( filename );
pc->check_type = type;
return;
}
else if( !Q_strcmp( filename, pc->filename ))
return;
}
Host_Error( "MAX_MODELS limit exceeded (%d)\n", MAX_MODELS );
}
else
{
for( i = 0; i < MAX_MODELS; i++ )
{
pc = &sv.consistency_list[i];
if( !pc->filename ) continue;
if( !Q_strcmp( filename, pc->filename ))
return;
}
Con_Printf( S_ERROR "Failed to enforce consistency for %s: was not precached\n", filename );
}
}
/*
=============
pfnVoice_GetClientListening
=============
*/
static qboolean GAME_EXPORT pfnVoice_GetClientListening( int iReceiver, int iSender )
{
iReceiver -= 1;
iSender -= 1;
if( iReceiver < 0 || iReceiver >= svs.maxclients || iSender < 0 || iSender >= svs.maxclients )
return false;
return (FBitSet( svs.clients[iSender].listeners, BIT( iReceiver )) != 0 );
}
/*
=============
pfnVoice_SetClientListening
=============
*/
static qboolean GAME_EXPORT pfnVoice_SetClientListening( int iReceiver, int iSender, qboolean bListen )
{
iReceiver -= 1;
iSender -= 1;
if( iReceiver < 0 || iReceiver >= svs.maxclients || iSender < 0 || iSender >= svs.maxclients )
return false;
if( bListen ) SetBits( svs.clients[iSender].listeners, BIT( iReceiver ));
else ClearBits( svs.clients[iSender].listeners, BIT( iReceiver ));
return true;
}
/*
=============
pfnGetPlayerAuthId
These function must returns cd-key hashed value
but Xash3D currently doesn't have any security checks
return nullstring for now
=============
*/
static const char *GAME_EXPORT pfnGetPlayerAuthId( edict_t *e )
{
return SV_GetClientIDString( SV_ClientFromEdict( e, false ));
}
/*
=============
pfnQueryClientCvarValue
request client cvar value
=============
*/
static void GAME_EXPORT pfnQueryClientCvarValue( const edict_t *player, const char *cvarName )
{
sv_client_t *cl;
if( !COM_CheckString( cvarName ))
return;
if(( cl = SV_ClientFromEdict( player, true )) != NULL )
{
MSG_BeginServerCmd( &cl->netchan.message, svc_querycvarvalue );
MSG_WriteString( &cl->netchan.message, cvarName );
}
else
{
if( svgame.dllFuncs2.pfnCvarValue )
svgame.dllFuncs2.pfnCvarValue( player, "Bad Player" );
Con_Printf( S_ERROR "%s: tried to send to a non-client!\n", __func__ );
}
}
/*
=============
pfnQueryClientCvarValue2
request client cvar value (bugfixed)
=============
*/
static void GAME_EXPORT pfnQueryClientCvarValue2( const edict_t *player, const char *cvarName, int requestID )
{
sv_client_t *cl;
if( !COM_CheckString( cvarName ))
return;
if(( cl = SV_ClientFromEdict( player, true )) != NULL )
{
MSG_BeginServerCmd( &cl->netchan.message, svc_querycvarvalue2 );
MSG_WriteLong( &cl->netchan.message, requestID );
MSG_WriteString( &cl->netchan.message, cvarName );
}
else
{
if( svgame.dllFuncs2.pfnCvarValue2 )
svgame.dllFuncs2.pfnCvarValue2( player, requestID, cvarName, "Bad Player" );
Con_Printf( S_ERROR "%s: tried to send to a non-client!\n", __func__ );
}
}
/*
=============
pfnEngineStub
extended iface stubs
=============
*/
static int GAME_EXPORT pfnGetLocalizedStringLength( const char *label )
{
return 0;
}
/*
=============
pfnRegisterTutorMessageShown
only exists in PlayStation version
=============
*/
static void GAME_EXPORT pfnRegisterTutorMessageShown( int mid )
{
}
/*
=============
pfnGetTimesTutorMessageShown
only exists in PlayStation version
=============
*/
static int GAME_EXPORT pfnGetTimesTutorMessageShown( int mid )
{
return 0;
}
// engine callbacks
static enginefuncs_t gEngfuncs =
{
pfnPrecacheModel,
SV_SoundIndex,
SV_SetModel,
pfnModelIndex,
pfnModelFrames,
pfnSetSize,
pfnChangeLevel,
pfnGetSpawnParms,
pfnSaveSpawnParms,
pfnVecToYaw,
VectorAngles,
pfnMoveToOrigin,
pfnChangeYaw,
pfnChangePitch,
SV_FindEntityByString,
pfnGetEntityIllum,
pfnFindEntityInSphere,
pfnFindClientInPVS,
pfnEntitiesInPVS,
pfnMakeVectors,
AngleVectors,
SV_AllocEdict,
pfnRemoveEntity,
pfnCreateNamedEntity,
pfnMakeStatic,
pfnEntIsOnFloor,
pfnDropToFloor,
pfnWalkMove,
pfnSetOrigin,
SV_StartSound,
pfnEmitAmbientSound,
pfnTraceLine,
pfnTraceToss,
pfnTraceMonsterHull,
pfnTraceHull,
pfnTraceModel,
pfnTraceTexture,
pfnTraceSphere,
pfnGetAimVector,
pfnServerCommand,
pfnServerExecute,
pfnClientCommand,
pfnParticleEffect,
pfnLightStyle,
pfnDecalIndex,
SV_PointContents,
pfnMessageBegin,
pfnMessageEnd,
pfnWriteByte,
pfnWriteChar,
pfnWriteShort,
pfnWriteLong,
pfnWriteAngle,
pfnWriteCoord,
pfnWriteString,
pfnWriteEntity,
pfnCvar_RegisterServerVariable,
Cvar_VariableValue,
Cvar_VariableString,
Cvar_SetValue,
Cvar_Set,
pfnAlertMessage,
pfnEngineFprintf,
pfnPvAllocEntPrivateData,
pfnPvEntPrivateData,
SV_FreePrivateData,
SV_GetString,
SV_AllocString,
pfnGetVarsOfEnt,
pfnPEntityOfEntOffset,
pfnEntOffsetOfPEntity,
pfnIndexOfEdict,
pfnPEntityOfEntIndexAllEntities,
pfnFindEntityByVars,
pfnGetModelPtr,
pfnRegUserMsg,
pfnAnimationAutomove,
pfnGetBonePosition,
(void*)pfnFunctionFromName,
(void*)pfnNameForFunction,
pfnClientPrintf,
pfnServerPrint,
Cmd_Args,
Cmd_Argv,
(void*)Cmd_Argc,
pfnGetAttachment,
CRC32_Init,
CRC32_ProcessBuffer,
CRC32_ProcessByte,
CRC32_Final,
COM_RandomLong,
COM_RandomFloat,
pfnSetView,
pfnTime,
pfnCrosshairAngle,
COM_LoadFileForMe,
COM_FreeFile,
pfnEndSection,
COM_CompareFileTime,
pfnGetGameDir,
pfnCvar_RegisterEngineVariable,
pfnFadeClientVolume,
pfnSetClientMaxspeed,
SV_FakeConnect,
pfnRunPlayerMove,
pfnNumberOfEntities,
pfnGetInfoKeyBuffer,
Info_ValueForKey,
pfnSetValueForKey,
pfnSetClientKeyValue,
pfnIsMapValid,
pfnStaticDecal,
SV_GenericIndex,
pfnGetPlayerUserId,
pfnBuildSoundMsg,
pfnIsDedicatedServer,
pfnCVarGetPointer,
pfnGetPlayerWONId,
(void*)Info_RemoveKey,
pfnGetPhysicsKeyValue,
pfnSetPhysicsKeyValue,
pfnGetPhysicsInfoString,
pfnPrecacheEvent,
SV_PlaybackEventFull,
pfnSetFatPVS,
pfnSetFatPAS,
pfnCheckVisibility,
Delta_SetField,
Delta_UnsetField,
Delta_AddEncoder,
pfnGetCurrentPlayer,
pfnCanSkipPlayer,
Delta_FindField,
Delta_SetFieldByIndex,
Delta_UnsetFieldByIndex,
pfnSetGroupMask,
pfnCreateInstancedBaseline,
(void*)Cvar_DirectSet,
pfnForceUnmodified,
pfnGetPlayerStats,
Cmd_AddServerCommand,
pfnVoice_GetClientListening,
pfnVoice_SetClientListening,
pfnGetPlayerAuthId,
pfnSequenceGet,
pfnSequencePickSentence,
COM_FileSize,
Sound_GetApproxWavePlayLen,
pfnIsCareerMatch,
pfnGetLocalizedStringLength,
pfnRegisterTutorMessageShown,
pfnGetTimesTutorMessageShown,
pfnProcessTutorMessageDecayBuffer,
pfnConstructTutorMessageDecayBuffer,
pfnResetTutorMessageDecayData,
pfnQueryClientCvarValue,
pfnQueryClientCvarValue2,
COM_CheckParm,
pfnPEntityOfEntIndexAllEntities,
};
static void SV_FreeKeyValueStrings( KeyValueData *kvd, int numpairs )
{
for( int i = 0; i < numpairs; i++ )
{
Mem_Free( kvd[i].szKeyName );
Mem_Free( kvd[i].szValue );
}
}
/*
====================
SV_ParseEdict
Parses an edict out of the given string, returning the new position
ed should be a properly initialized empty edict.
====================
*/
static qboolean SV_ParseEdict( char **pfile, edict_t *ent )
{
KeyValueData pkvd[256]; // per one entity
qboolean adjust_origin = false, customentity;
int i, numpairs = 0;
const char *classname = NULL;
// go through all the dictionary pairs
while( 1 )
{
string keyname;
char value[2048];
int len;
// parse key
if(( *pfile = COM_ParseFile( *pfile, keyname, sizeof( keyname ))) == NULL )
Host_Error( "%s: EOF without closing brace\n", __func__ );
if( keyname[0] == '}' )
break; // end of desc
// parse value
if(( *pfile = COM_ParseFile( *pfile, value, sizeof( value ))) == NULL )
Host_Error( "%s: EOF without closing brace\n", __func__ );
if( value[0] == '}' )
Host_Error( "%s: closing brace without data\n", __func__ );
// ignore attempts to set empty key or value
// "wad" field is already handled
if( !keyname[0] || !value[0] || !Q_strcmp( keyname, "wad" ))
continue;
// keynames with a leading underscore are used for
// utility comments and are immediately discarded by engine
if( FBitSet( world.flags, FWORLD_SKYSPHERE ) && keyname[0] == '_' )
continue;
// classname must be first
if( !Q_strcmp( keyname, "classname" ))
{
KeyValueData kvd = {
.szClassName = NULL,
.szKeyName = keyname,
.szValue = value,
.fHandled = false
};
// don't allow double classnames
if( classname != NULL )
continue;
svgame.dllFuncs.pfnKeyValue( ent, &kvd );
// ideally, all game dlls should handle classname.
// throw an error for now, improve the logic if it causes
// compatibility issues with Xash-based games
if( !kvd.fHandled )
Host_Error( "%s: game didn't handled \"%s\" classname\n", __func__, value );
// this lets game dll override custom entity classname
// to something bogus that's exported in game dll
classname = STRING( ent->v.classname );
continue;
}
// GoldSrc removes trailing spaces
// but does this after sucking out classname
// which doesn't have similar check
for( len = Q_strlen( keyname ); len > 0 && keyname[len - 1] == ' '; len-- )
keyname[len - 1] = '\0';
// create keyvalue strings
pkvd[numpairs].szClassName = (char*)""; // unknown at this moment
pkvd[numpairs].szKeyName = copystring( keyname );
pkvd[numpairs].szValue = copystring( value );
pkvd[numpairs].fHandled = false;
numpairs++;
if( numpairs > ARRAYSIZE( pkvd ))
{
if( classname )
Con_Printf( S_ERROR "%s: too many keyvalue pairs for %s!\n", __func__, classname );
else Con_Printf( S_ERROR "%s: too many keyvalue pairs!\n", __func__ );
break;
}
}
if( classname == NULL )
{
// release allocated strings
SV_FreeKeyValueStrings( pkvd, numpairs );
return false;
}
ent = SV_AllocPrivateData( ent, ent->v.classname, &customentity );
if( !SV_IsValidEdict( ent ) || FBitSet( ent->v.flags, FL_KILLME ))
{
// release allocated strings
SV_FreeKeyValueStrings( pkvd, numpairs );
return false;
}
if( customentity )
{
KeyValueData kvd = {
.szClassName = (char *)"custom",
.szKeyName = (char *)"customclass",
.szValue = (char *)classname,
.fHandled = false
};
svgame.dllFuncs.pfnKeyValue( ent, &kvd );
// no fHandled check, GoldSrc behavior
}
#ifdef HACKS_RELATED_HLMODS
// chemical existence have broked changelevels
if( !Q_stricmp( GI->gamefolder, "ce" ))
{
if( !Q_stricmp( sv.name, "ce08_02" ) && !Q_stricmp( classname, "info_player_start_force" ))
adjust_origin = true;
}
#endif
for( i = 0; i < numpairs; i++ )
{
char *keyname, *value;
char temp[MAX_VA_STRING];
#if 0 // this is stupid bug in GoldSrc, disable
if( !Q_strcmp( pkvd[i].szValue, classname ))
continue;
#endif
if( !Q_strcmp( pkvd[i].szKeyName, "angle" ))
{
float flYawAngle = Q_atof( pkvd[i].szValue );
Mem_Free( pkvd[i].szKeyName ); // will be replace with 'angles'
Mem_Free( pkvd[i].szValue ); // release old value, so we don't need these
pkvd[i].szKeyName = copystring( "angles" );
if( flYawAngle >= 0.0f )
{
Q_snprintf( temp, sizeof( temp ), "%g %g %g", ent->v.angles[0], flYawAngle, ent->v.angles[2] );
pkvd[i].szValue = copystring( temp );
}
else if( flYawAngle == -1.0f )
pkvd[i].szValue = copystring( "-90 0 0" );
else if( flYawAngle == -2.0f )
pkvd[i].szValue = copystring( "90 0 0" );
else pkvd[i].szValue = copystring( "0 0 0" ); // technically an error
}
if( adjust_origin && !Q_strcmp( pkvd[i].szKeyName, "origin" ))
{
char *pstart = pkvd[i].szValue;
vec3_t origin;
COM_ParseVector( &pstart, origin, 3 );
Mem_Free( pkvd[i].szValue ); // release old value, so we don't need these
Q_snprintf( temp, sizeof( temp ), "%g %g %g", origin[0], origin[1], origin[2] - 16.0f );
pkvd[i].szValue = copystring( temp );
}
// do not leak memory if game overwritten these pointers
keyname = pkvd[i].szKeyName;
value = pkvd[i].szValue;
pkvd[i].szClassName = (char *)classname;
svgame.dllFuncs.pfnKeyValue( ent, &pkvd[i] );
Mem_Free( keyname );
Mem_Free( value );
}
return true;
}
/*
================
SV_LoadFromFile
The entities are directly placed in the array, rather than allocated with
ED_Alloc, because otherwise an error loading the map would have entity
number references out of order.
Creates a server's entity / program execution context by
parsing textual entity definitions out of an ent file.
================
*/
static void SV_LoadFromFile( const char *mapname, char *entities )
{
char token[2048];
qboolean create_world = true;
int inhibited;
edict_t *ent;
Assert( entities != NULL );
// user dll can override spawn entities function (Xash3D extension)
if( !svgame.physFuncs.SV_LoadEntities || !svgame.physFuncs.SV_LoadEntities( mapname, entities ))
{
inhibited = 0;
// parse ents
while(( entities = COM_ParseFile( entities, token, sizeof( token ))) != NULL )
{
if( token[0] != '{' )
Host_Error( "%s: found %s when expecting {\n", __func__, token );
if( create_world )
{
create_world = false;
ent = EDICT_NUM( 0 ); // already initialized
}
else ent = SV_AllocEdict();
if( !SV_ParseEdict( &entities, ent ))
continue;
if( svgame.dllFuncs.pfnSpawn( ent ) == -1 )
{
// game rejected the spawn
if( !FBitSet( ent->v.flags, FL_KILLME ))
{
SV_FreeEdict( ent );
inhibited++;
}
}
}
Con_DPrintf( "\n%i entities inhibited\n", inhibited );
}
// reset world origin and angles for some reason
VectorClear( svgame.edicts->v.origin );
VectorClear( svgame.edicts->v.angles );
}
/*
==============
SpawnEntities
Creates a server's entity / program execution context by
parsing textual entity definitions out of an ent file.
==============
*/
void SV_SpawnEntities( const char *mapname )
{
edict_t *ent;
// reset misc parms
Cvar_Reset( "sv_zmax" );
Cvar_Reset( "sv_wateramp" );
Cvar_Reset( "sv_wateralpha" );
// reset sky parms
Cvar_Reset( "sv_skycolor_r" );
Cvar_Reset( "sv_skycolor_g" );
Cvar_Reset( "sv_skycolor_b" );
Cvar_Reset( "sv_skyvec_x" );
Cvar_Reset( "sv_skyvec_y" );
Cvar_Reset( "sv_skyvec_z" );
Cvar_Reset( "sv_skyname" );
ent = EDICT_NUM( 0 );
if( ent->free ) SV_InitEdict( ent );
ent->v.model = MAKE_STRING( sv.model_precache[1] );
ent->v.modelindex = WORLD_INDEX; // world model
ent->v.solid = SOLID_BSP;
ent->v.movetype = MOVETYPE_PUSH;
svgame.movevars.fog_settings = 0;
svgame.globals->maxEntities = GI->max_edicts;
svgame.globals->mapname = MAKE_STRING( sv.name );
svgame.globals->startspot = MAKE_STRING( sv.startspot );
svgame.globals->time = sv.time;
// spawn the rest of the entities on the map
SV_LoadFromFile( mapname, sv.worldmodel->entities );
}
void SV_UnloadProgs( void )
{
pending_cvar_t *pending_cvars_list;
if( !svgame.hInstance )
return;
SV_DeactivateServer ();
Delta_Shutdown ();
/// TODO: reenable this when
/// SV_UnloadProgs will be disabled
//Mod_ClearUserData ();
pending_cvars_list = Cvar_PrepareToUnlink( FCVAR_EXTDLL );
if( svgame.dllFuncs2.pfnGameShutdown != NULL )
svgame.dllFuncs2.pfnGameShutdown ();
// now we can unload cvars
Cvar_FullSet( "host_gameloaded", "0", FCVAR_READ_ONLY );
Cvar_FullSet( "sv_background", "0", FCVAR_READ_ONLY );
// free entity baselines
Z_Free( svs.static_entities );
Z_Free( svs.baselines );
svs.baselines = NULL;
// remove server cmds
SV_KillOperatorCommands();
// must unlink all game cvars,
// before pointers on them will be lost...
Cvar_UnlinkPendingCvars( pending_cvars_list );
Cmd_Unlink( CMD_SERVERDLL );
SV_FreeStringPool();
Mod_ResetStudioAPI ();
COM_FreeLibrary( svgame.hInstance );
Mem_FreePool( &svgame.mempool );
memset( &svgame, 0, sizeof( svgame ));
}
qboolean SV_LoadProgs( const char *name )
{
int i, version;
static APIFUNCTION GetEntityAPI;
static APIFUNCTION2 GetEntityAPI2;
static GIVEFNPTRSTODLL GiveFnptrsToDll;
static NEW_DLL_FUNCTIONS_FN GiveNewDllFuncs;
static enginefuncs_t gpEngfuncs;
static globalvars_t gpGlobals;
static playermove_t gpMove;
edict_t *e;
if( svgame.hInstance )
{
#if XASH_WIN32
SV_UnloadProgs();
#else // XASH_WIN32
return true;
#endif // XASH_WIN32
}
// fill it in
svgame.pmove = &gpMove;
svgame.globals = &gpGlobals;
svgame.mempool = Mem_AllocPool( "Server Edicts Zone" );
svgame.hInstance = COM_LoadLibrary( name, true, false );
if( !svgame.hInstance )
{
Mem_FreePool(&svgame.mempool);
return false;
}
// make sure what new dll functions is cleared
memset( &svgame.dllFuncs2, 0, sizeof( svgame.dllFuncs2 ));
// make sure what physic functions is cleared
memset( &svgame.physFuncs, 0, sizeof( svgame.physFuncs ));
// revert fix for pfnPEntityOfEntIndex to be compatible with GoldSrc
// games that rely on this bug
if( FBitSet( host.bugcomp, BUGCOMP_PENTITYOFENTINDEX_FLAG ))
gEngfuncs.pfnPEntityOfEntIndex = pfnPEntityOfEntIndexBroken;
// make local copy of engfuncs to prevent overwrite it with bots.dll
gpEngfuncs = gEngfuncs;
GetEntityAPI = (APIFUNCTION)COM_GetProcAddress( svgame.hInstance, "GetEntityAPI" );
GetEntityAPI2 = (APIFUNCTION2)COM_GetProcAddress( svgame.hInstance, "GetEntityAPI2" );
GiveNewDllFuncs = (NEW_DLL_FUNCTIONS_FN)COM_GetProcAddress( svgame.hInstance, "GetNewDLLFunctions" );
if( !GetEntityAPI && !GetEntityAPI2 )
{
COM_FreeLibrary( svgame.hInstance );
Con_Printf( S_ERROR "%s: failed to get address of GetEntityAPI proc\n", __func__ );
svgame.hInstance = NULL;
Mem_FreePool( &svgame.mempool );
return false;
}
GiveFnptrsToDll = (GIVEFNPTRSTODLL)COM_GetProcAddress( svgame.hInstance, "GiveFnptrsToDll" );
if( !GiveFnptrsToDll )
{
COM_FreeLibrary( svgame.hInstance );
Con_Printf( S_ERROR "%s: failed to get address of GiveFnptrsToDll proc\n", __func__ );
svgame.hInstance = NULL;
Mem_FreePool( &svgame.mempool );
return false;
}
GiveFnptrsToDll( &gpEngfuncs, svgame.globals );
// get extended callbacks
if( GiveNewDllFuncs )
{
version = NEW_DLL_FUNCTIONS_VERSION;
if( !GiveNewDllFuncs( &svgame.dllFuncs2, &version ))
{
if( version != NEW_DLL_FUNCTIONS_VERSION )
Con_Printf( S_WARN "%s: new interface version %i should be %i\n", __func__, NEW_DLL_FUNCTIONS_VERSION, version );
memset( &svgame.dllFuncs2, 0, sizeof( svgame.dllFuncs2 ));
}
}
version = INTERFACE_VERSION;
if( GetEntityAPI2 )
{
if( !GetEntityAPI2( &svgame.dllFuncs, &version ))
{
if( INTERFACE_VERSION != version )
Con_Printf( S_WARN "%s: interface version %i should be %i\n", __func__, INTERFACE_VERSION, version );
// fallback to old API
if( !GetEntityAPI( &svgame.dllFuncs, version ))
{
COM_FreeLibrary( svgame.hInstance );
Con_Printf( S_ERROR "%s: couldn't get entity API\n", __func__ );
svgame.hInstance = NULL;
Mem_FreePool( &svgame.mempool );
return false;
}
else Con_Reportf( "%s: ^2initailized legacy EntityAPI ^7ver. %i\n", __func__, version );
}
else Con_Reportf( "%s: ^2initailized extended EntityAPI ^7ver. %i\n", __func__, version );
}
else if( !GetEntityAPI( &svgame.dllFuncs, version ))
{
COM_FreeLibrary( svgame.hInstance );
Con_Printf( S_ERROR "%s: couldn't get entity API\n", __func__ );
svgame.hInstance = NULL;
Mem_FreePool( &svgame.mempool );
return false;
}
else Con_Reportf( "%s: ^2initailized legacy EntityAPI ^7ver. %i\n", __func__, version );
SV_InitOperatorCommands();
Mod_InitStudioAPI();
if( !SV_InitPhysicsAPI( ))
{
Con_Printf( S_WARN "%s: couldn't get physics API\n", __func__ );
}
// grab function SV_SaveGameComment
SV_InitSaveRestore ();
svgame.globals->pStringBase = ""; // setup string base
svgame.globals->maxEntities = GI->max_edicts;
svgame.globals->maxClients = svs.maxclients;
svgame.edicts = Mem_Calloc( svgame.mempool, sizeof( edict_t ) * GI->max_edicts );
svs.static_entities = Z_Calloc( sizeof( entity_state_t ) * MAX_STATIC_ENTITIES );
svs.baselines = Z_Calloc( sizeof( entity_state_t ) * GI->max_edicts );
svgame.numEntities = svs.maxclients + 1; // clients + world
for( i = 0, e = svgame.edicts; i < GI->max_edicts; i++, e++ )
e->free = true; // mark all edicts as freed
Cvar_FullSet( "host_gameloaded", "1", FCVAR_READ_ONLY );
SV_AllocStringPool();
// fire once
Con_Printf( "Dll loaded for game ^2\"%s\"\n", svgame.dllFuncs.pfnGetGameDescription( ));
// all done, initialize game
svgame.dllFuncs.pfnGameInit();
// initialize pm_shared
SV_InitClientMove();
Delta_Init ();
// register custom encoders
svgame.dllFuncs.pfnRegisterEncoders();
return true;
}
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