/*
=============
SV_BuildClientSnapshot
Decides which entities are going to be visible to the client, and
copies off the playerstate and areabits.
This properly handles multiple recursive portals, but the render
currently doesn't.
For viewing through other player's eyes, clent can be something other than client->gentity
=============
*/
static void SV_BuildClientSnapshot( client_t *client ) {
vec3_t org;
clientSnapshot_t *frame;
snapshotEntityNumbers_t entityNumbers;
int i;
sharedEntity_t *ent;
entityState_t *state;
svEntity_t *svEnt;
sharedEntity_t *clent;
playerState_t *ps;
// bump the counter used to prevent double adding
sv.snapshotCounter++;
// this is the frame we are creating
frame = &client->frames[ client->netchan.outgoingSequence & PACKET_MASK ];
// clear everything in this snapshot
entityNumbers.numSnapshotEntities = 0;
Com_Memset( frame->areabits, 0, sizeof( frame->areabits ) );
frame->num_entities = 0;
clent = client->gentity;
if ( !clent || client->state == CS_ZOMBIE ) {
return;
}
// grab the current playerState_t
ps = SV_GameClientNum( client - svs.clients );
frame->ps = *ps;
#ifdef _ONEBIT_COMBO
frame->pDeltaOneBit = &ps->deltaOneBits;
frame->pDeltaNumBit = &ps->deltaNumBits;
#endif
if (ps->m_iVehicleNum)
{ //get the vehicle's playerstate too then
sharedEntity_t *veh = SV_GentityNum(ps->m_iVehicleNum);
if (veh && veh->playerState)
{ //Now VMA it and we've got ourselves a playerState
playerState_t *vps = ((playerState_t *)VM_ArgPtr((int)veh->playerState));
frame->vps = *vps;
#ifdef _ONEBIT_COMBO
frame->pDeltaOneBitVeh = &vps->deltaOneBits;
frame->pDeltaNumBitVeh = &vps->deltaNumBits;
#endif
}
}
int clientNum;
// never send client's own entity, because it can
// be regenerated from the playerstate
clientNum = frame->ps.clientNum;
if ( clientNum < 0 || clientNum >= MAX_GENTITIES ) {
Com_Error( ERR_DROP, "SV_SvEntityForGentity: bad gEnt" );
}
svEnt = &sv.svEntities[ clientNum ];
svEnt->snapshotCounter = sv.snapshotCounter;
// find the client's viewpoint
VectorCopy( ps->origin, org );
org[2] += ps->viewheight;
// add all the entities directly visible to the eye, which
// may include portal entities that merge other viewpoints
SV_AddEntitiesVisibleFromPoint( org, frame, &entityNumbers, qfalse );
// if there were portals visible, there may be out of order entities
// in the list which will need to be resorted for the delta compression
// to work correctly. This also catches the error condition
// of an entity being included twice.
qsort( entityNumbers.snapshotEntities, entityNumbers.numSnapshotEntities,
sizeof( entityNumbers.snapshotEntities[0] ), SV_QsortEntityNumbers );
// now that all viewpoint's areabits have been OR'd together, invert
// all of them to make it a mask vector, which is what the renderer wants
for ( i = 0 ; i < MAX_MAP_AREA_BYTES/4 ; i++ ) {
((int *)frame->areabits)[i] = ((int *)frame->areabits)[i] ^ -1;
}
// copy the entity states out
frame->num_entities = 0;
frame->first_entity = svs.nextSnapshotEntities;
for ( i = 0 ; i < entityNumbers.numSnapshotEntities ; i++ ) {
ent = SV_GentityNum(entityNumbers.snapshotEntities[i]);
state = &svs.snapshotEntities[svs.nextSnapshotEntities % svs.numSnapshotEntities];
*state = ent->s;
svs.nextSnapshotEntities++;
// this should never hit, map should always be restarted first in SV_Frame
if ( svs.nextSnapshotEntities >= 0x7FFFFFFE ) {
Com_Error(ERR_FATAL, "svs.nextSnapshotEntities wrapped");
}
frame->num_entities++;
}
}
/*
====================
CL_CgameSystemCalls
The cgame module is making a system call
====================
*/
intptr_t CL_CgameSystemCalls( intptr_t *args ) {
switch( args[0] ) {
case CG_PRINT:
Com_Printf( "%s", VMA(1) );
return 0;
case CG_FATAL_ERROR:
Com_Error( ERR_DROP, "%s", VMA(1) );
return 0;
case CG_MILLISECONDS:
return Sys_Milliseconds();
case CG_CVAR_REGISTER:
Cvar_Register( VMA(1), VMA(2), VMA(3), args[4] );
return 0;
case CG_CVAR_UPDATE:
Cvar_Update( VMA(1) );
return 0;
case CG_CVAR_SET:
Cvar_Set( VMA(1), VMA(2) );
return 0;
case CG_CVAR_VARIABLESTRINGBUFFER:
Cvar_VariableStringBuffer( VMA(1), VMA(2), args[3] );
return 0;
case CG_ARGC:
return Cmd_Argc();
case CG_ARGV:
Cmd_ArgvBuffer( args[1], VMA(2), args[3] );
return 0;
case CG_ARGVI:
return atoi( Cmd_Argv( args[1] ) );
case CG_ARGS:
Cmd_ArgsBuffer( VMA(1), args[2] );
return 0;
case CG_CMD_EXECUTETEXT:
Cbuf_ExecuteText( args[1], VMA(2) );
return 0;
case CG_FS_FOPENFILE:
return FS_FOpenFileByMode( VMA(1), VMA(2), args[3] );
case CG_FS_READ:
FS_Read( VMA(1), args[2], args[3] );
return 0;
case CG_FS_WRITE:
FS_Write( VMA(1), args[2], args[3] );
return 0;
case CG_FS_FCLOSEFILE:
FS_FCloseFile( args[1] );
return 0;
case CG_SENDCONSOLECOMMAND:
Cbuf_AddText( VMA(1) );
return 0;
case CG_FORWARDCOMMAND:
VM_Call( uivm, UI_CONSOLE_COMMAND, cls.realtime );
return 0;
case CG_ADDCOMMAND:
CL_AddCgameCommand( VMA(1) );
return 0;
case CG_REMOVECOMMAND:
Cmd_RemoveCommand( VMA(1) );
return 0;
case CG_SENDCLIENTCOMMAND:
CL_AddReliableCommand( VMA(1) );
return 0;
case CG_UPDATESCREEN:
// this is used during lengthy level loading, so pump message loop
// Com_EventLoop(); // FIXME: if a server restarts here, BAD THINGS HAPPEN!
// We can't call Com_EventLoop here, a restart will crash and this _does_ happen
// if there is a map change while we are downloading at pk3.
// ZOID
SCR_UpdateScreen();
return 0;
case CG_CM_LOADMAP:
CL_CM_LoadMap( VMA(1) );
return 0;
case CG_CM_NUMINLINEMODELS:
return CM_NumInlineModels();
case CG_CM_INLINEMODEL:
return CM_InlineModel( args[1] );
case CG_CM_TEMPBOXMODEL:
return CM_TempBoxModel( VMA(1), VMA(2), /*int capsule*/ qfalse );
case CG_CM_TEMPCAPSULEMODEL:
return CM_TempBoxModel( VMA(1), VMA(2), /*int capsule*/ qtrue );
case CG_CM_POINTCONTENTS:
return CM_PointContents( VMA(1), args[2] );
case CG_CM_TRANSFORMEDPOINTCONTENTS:
return CM_TransformedPointContents( VMA(1), args[2], VMA(3), VMA(4) );
case CG_CM_BOXTRACE:
CM_BoxTrace( VMA(1), VMA(2), VMA(3), VMA(4), VMA(5), args[6], args[7], /*int capsule*/ qfalse );
return 0;
case CG_CM_CAPSULETRACE:
CM_BoxTrace( VMA(1), VMA(2), VMA(3), VMA(4), VMA(5), args[6], args[7], /*int capsule*/ qtrue );
return 0;
case CG_CM_TRANSFORMEDBOXTRACE:
CM_TransformedBoxTrace( VMA(1), VMA(2), VMA(3), VMA(4), VMA(5), args[6], args[7], VMA(8), VMA(9), /*int capsule*/ qfalse );
return 0;
case CG_CM_TRANSFORMEDCAPSULETRACE:
CM_TransformedBoxTrace( VMA(1), VMA(2), VMA(3), VMA(4), VMA(5), args[6], args[7], VMA(8), VMA(9), /*int capsule*/ qtrue );
return 0;
case CG_CM_MARKFRAGMENTS:
return re.MarkFragments( args[1], VMA(2), VMA(3), args[4], VMA(5), args[6], VMA(7) );
case CG_S_STARTSOUND:
S_StartSound( VMA(1), args[2], args[3], args[4] );
return 0;
case CG_S_STARTLOCALSOUND:
S_StartLocalSound( args[1], args[2] );
return 0;
case CG_S_CLEARLOOPINGSOUNDS:
S_ClearLoopingSounds(args[1]);
return 0;
case CG_S_ADDLOOPINGSOUND:
S_AddLoopingSound( args[1], VMA(2), VMA(3), args[4] );
return 0;
case CG_S_ADDREALLOOPINGSOUND:
S_AddRealLoopingSound( args[1], VMA(2), VMA(3), args[4] );
return 0;
case CG_S_STOPLOOPINGSOUND:
S_StopLoopingSound( args[1] );
return 0;
case CG_S_UPDATEENTITYPOSITION:
S_UpdateEntityPosition( args[1], VMA(2) );
return 0;
case CG_S_RESPATIALIZE:
S_Respatialize( args[1], VMA(2), VMA(3), args[4] );
return 0;
case CG_S_REGISTERSOUND:
return S_RegisterSound( VMA(1), args[2] );
case CG_S_STARTBACKGROUNDTRACK:
S_StartBackgroundTrack( VMA(1), VMA(2) );
return 0;
case CG_R_LOADWORLDMAP:
CL_R_LoadWorld( VMA( 1 ) );
return 0;
case CG_R_REGISTERMODEL:
return re.RegisterModel( VMA(1) );
case CG_R_REGISTERSKIN:
return re.RegisterSkin( VMA(1) );
case CG_R_REGISTERSHADER:
return re.RegisterShader( VMA(1) );
case CG_R_REGISTERSHADERNOMIP:
return re.RegisterShaderNoMip( VMA(1) );
case CG_R_REGISTERFONT:
return re.RegisterFont( VMA(1) );
case CG_R_CLEARSCENE:
re.ClearScene();
return 0;
case CG_R_BUILDPOSE:
{
animGroupTransition_t trans;
trans.animGroup = 0;
trans.interp = 0;
return re.BuildPose( args[1], VMA( 2 ), args[3], VMA( 4 ), args[5], NULL, 0, NULL, 0, &trans, 1 );
}
case CG_R_BUILDPOSE2:
return re.BuildPose( args[1], VMA( 2 ), 2, VMA( 3 ), 2, VMA( 4 ), 2, VMA( 5 ), 2, VMA( 6 ), 2 );
case CG_R_BUILDPOSE3:
return re.BuildPose( args[1], VMA( 2 ), 1, 0, 0, VMA( 3 ), 1, 0, 0, VMA( 4 ), 1 );
case CG_R_LERPTAGFROMPOSE:
return re.LerpTagFromPose( VMA( 1 ), args[2], args[3], VMA( 4 ) );
case CG_R_ADDREFENTITYTOSCENE:
re.AddRefEntityToScene( VMA(1) );
return 0;
case CG_R_ADDPOLYTOSCENE:
re.AddPolyToScene( args[1], args[2], VMA(3), 1 );
return 0;
case CG_R_ADDPOLYSTOSCENE:
re.AddPolyToScene( args[1], args[2], VMA(3), args[4] );
return 0;
case CG_R_MENUBEGINSURF:
re.MenuBeginSurf( args[1] );
return 0;
case CG_R_MENUENDSURF:
re.MenuEndSurf();
return 0;
case CG_R_LIGHTFORPOINT:
return re.LightForPoint( VMA(1), VMA(2), VMA(3), VMA(4) );
case CG_R_ADDLIGHTTOSCENE:
re.AddLightToScene( VMA(1), VMF(2), VMF(3), VMF(4), VMF(5) );
return 0;
case CG_R_ADDADDITIVELIGHTTOSCENE:
re.AddAdditiveLightToScene( VMA(1), VMF(2), VMF(3), VMF(4), VMF(5) );
return 0;
case CG_R_RENDERSCENE:
re.RenderScene( VMA(1) );
return 0;
case CG_R_SETCOLOR:
re.SetColor( VMA(1) );
return 0;
case CG_R_DRAWSTRETCHPIC:
re.DrawStretchPic( VMF(1), VMF(2), VMF(3), VMF(4), NULL, VMF(5), VMF(6), VMF(7), VMF(8), args[9] );
return 0;
case CG_R_SHAPECREATE:
{
curve_t * c = VMA(1);
int n = args[3];
int i;
for ( i=0; i<n; i++ ) {
c->pts = (vec2_t*)VM_ArgPtr((intptr_t)c->pts);
c->uvs = (vec2_t*)VM_ArgPtr((intptr_t)c->uvs);
c->colors = (vec4_t*)VM_ArgPtr((intptr_t)c->colors);
c->indices = (short*)VM_ArgPtr((intptr_t)c->indices );
}
return re.ShapeCreate( c, VMA( 2 ), n );
}
case CG_R_SHAPEDRAW:
re.ShapeDraw( args[1], args[2], VMA( 3 ) );
return 0;
case CG_R_RENDERTEXT:
CL_RenderText( VMA(1), VMF(2), VMA(3), VMA(4), args[5], (args[6])>>16, args[6]&0xFFFF, args[7], args[8], 0, args[9], VMA(10) );
return 0;
case CG_R_GETFONT:
memcpy( VMA(3), re.GetFontFromFontSet( args[1], VMF(2) ), sizeof(fontInfo_t) );
return 0;
case CG_R_ROUNDRECT:
SCR_FillRect( VMF(1), VMF(2), VMF(3), VMF(4), VMA(5), args[6] );
return 0;
case CG_R_MODELBOUNDS:
re.ModelBounds( args[1], VMA(2), VMA(3) );
return 0;
case CG_R_LERPTAG:
return re.LerpTag( VMA(1), args[2], args[3], args[4], VMF(5), VMA(6) );
case CG_GETGLCONFIG:
CL_GetGlconfig( VMA(1) );
return 0;
case CG_GETGAMESTATE:
CL_GetGameState( VMA(1) );
return 0;
case CG_GETCURRENTSNAPSHOTNUMBER:
CL_GetCurrentSnapshotNumber( VMA(1), VMA(2) );
return 0;
case CG_GETSNAPSHOT:
return CL_GetSnapshot( args[1], VMA(2) );
case CG_GETSERVERCOMMAND:
return CL_GetServerCommand( args[1] );
case CG_GETCURRENTCMDNUMBER:
return CL_GetCurrentCmdNumber();
case CG_GETUSERCMD:
return CL_GetUserCmd( args[1], VMA(2) );
case CG_SETUSERCMDVALUE:
CL_SetUserCmdValue( args[1], VMF(2) );
return 0;
case CG_MEMORY_REMAINING:
return Hunk_MemoryRemaining();
case CG_KEY_ISDOWN:
return Key_IsDown( args[1] );
case CG_KEY_GETCATCHER:
return Key_GetCatcher();
case CG_KEY_SETCATCHER:
Key_SetCatcher( args[1] );
return 0;
case CG_KEY_GETKEY:
return Key_GetKey( VMA(1) );
case CG_MEMSET:
Com_Memset( VMA(1), args[2], args[3] );
return 0;
case CG_MEMCPY:
Com_Memcpy( VMA(1), VMA(2), args[3] );
return 0;
case CG_STRNCPY:
strncpy( VMA(1), VMA(2), args[3] );
return args[1];
case CG_SIN:
return FloatAsInt( sin( VMF(1) ) );
case CG_COS:
return FloatAsInt( cos( VMF(1) ) );
case CG_ATAN2:
return FloatAsInt( atan2( VMF(1), VMF(2) ) );
case CG_SQRT:
return FloatAsInt( sqrt( VMF(1) ) );
case CG_FLOOR:
return FloatAsInt( floor( VMF(1) ) );
case CG_CEIL:
return FloatAsInt( ceil( VMF(1) ) );
case CG_ACOS: return FloatAsInt( Q_acos( VMF(1) ) );
case CG_FMOD: return FloatAsInt( fmod( VMF(1),VMF(2) ) );
case CG_POW: return FloatAsInt( pow( VMF(1),VMF(2) ) );
case CG_ATAN: return FloatAsInt( atan( VMF(1) ) );
case CG_TAN: return FloatAsInt( tan( VMF(1)) );
case CG_PC_ADD_GLOBAL_DEFINE:
return botlib_export->PC_AddGlobalDefine( VMA(1) );
case CG_PC_LOAD_SOURCE:
return botlib_export->PC_LoadSourceHandle( VMA(1) );
case CG_PC_FREE_SOURCE:
return botlib_export->PC_FreeSourceHandle( args[1] );
case CG_PC_READ_TOKEN:
return botlib_export->PC_ReadTokenHandle( args[1], VMA(2) );
case CG_PC_SOURCE_FILE_AND_LINE:
return botlib_export->PC_SourceFileAndLine( args[1], VMA(2), VMA(3) );
case CG_S_STOPBACKGROUNDTRACK:
S_StopBackgroundTrack();
return 0;
case CG_REAL_TIME:
return Com_RealTime( VMA(1) );
case CG_SNAPVECTOR:
Sys_SnapVector( VMA(1) );
return 0;
case CG_UPDATEGAMESTATE:
return CL_UpdateGameState( VMA(1) );
case CG_CIN_PLAYCINEMATIC:
return CIN_PlayCinematic(VMA(1), args[2], args[3], args[4], args[5], args[6]);
case CG_CIN_STOPCINEMATIC:
return CIN_StopCinematic(args[1]);
case CG_CIN_RUNCINEMATIC:
return CIN_RunCinematic(args[1]);
case CG_CIN_DRAWCINEMATIC:
CIN_DrawCinematic(args[1]);
return 0;
case CG_CIN_SETEXTENTS:
CIN_SetExtents(args[1], args[2], args[3], args[4], args[5]);
return 0;
case CG_R_REMAP_SHADER:
//ToDo: remove this trap
return 0;
/*
case CG_LOADCAMERA:
return loadCamera(VMA(1));
case CG_STARTCAMERA:
startCamera(args[1]);
return 0;
case CG_GETCAMERAINFO:
return getCameraInfo(args[1], VMA(2), VMA(3));
*/
case CG_GET_ENTITY_TOKEN:
return re.GetEntityToken( VMA(1), args[2] );
case CG_R_INPVS:
return re.inPVS( VMA(1), VMA(2) );
case CG_Q_rand:
return Rand_NextUInt32( &cl.db.rand );
case CG_SQL_LOADDB:
{
char * buffer;
int length;
length = FS_ReadFile( VMA(1), &buffer );
if ( length > 0 ) {
sql_exec( &cl.db, buffer );
FS_FreeFile(buffer);
}
return 0;
} break;
case CG_SQL_EXEC: return sql_exec( &cl.db, VMA(1) );
case CG_SQL_PREPARE: return sql_prepare( &cl.db, VMA(1) ) != 0;
case CG_SQL_BIND: return sql_bind( &cl.db, args );
case CG_SQL_BINDTEXT: return sql_bindtext( &cl.db, args[1], VMA(2) );
case CG_SQL_BINDINT: return sql_bindint( &cl.db, args[1], args[2] );
case CG_SQL_BINDARGS:
{
int i,n = Cmd_Argc();
for ( i=1; i<n; i++ )
{
if ( !sql_bindtext( &cl.db, i, Cmd_Argv( i ) ) )
return 0;
}
} return 1;
case CG_SQL_STEP: return sql_step( &cl.db );
case CG_SQL_COLUMNCOUNT: return sql_columncount( &cl.db );
case CG_SQL_COLUMNASTEXT:
Q_strncpyz( VMA(1), sql_columnastext( &cl.db, args[3] ), args[2] );
break;
case CG_SQL_COLUMNASINT: return sql_columnasint( &cl.db, args[1] );
case CG_SQL_COLUMNNAME:
Q_strncpyz( VMA(1), sql_columnname( &cl.db, args[3] ), args[2] );
break;
case CG_SQL_DONE: return sql_done( &cl.db );
case CG_SQL_COMPILE: return sql_compile( &cl.db, VMA(1) );
case CG_SQL_RUN:
{
char * buffer = VMA(1);
int size = args[2];
int id = args[3];
int i;
formatInfo_t * stmt = (formatInfo_t*)cl.db.stmts_byindex[ id ];
if ( stmt ) {
sqlData_t params[ 3 ];
const char * r;
for ( i=0; i<3; i++ ) {
params[ i ].format = INTEGER;
params[ i ].payload.integer = args[ 4+i ];
}
r = sql_eval( &cl.db, stmt->print, 0, 0, 0, 0, params, 0 ).string;
Q_strncpyz( buffer, r, size );
} else {
buffer[ 0 ] = '\0';
}
} break;
default:
assert(0); // bk010102
Com_Error( ERR_DROP, "Bad cgame system trap: %i", args[0] );
}
return 0;
}
