/*
=============
CL_ParseReliableEvent
=============
*/
void CL_ParseReliableEvent( sizebuf_t *msg )
{
int event_index;
event_args_t nullargs, args;
float delay = 0.0f;
cl_entity_t *pEnt;
Q_memset( &nullargs, 0, sizeof( nullargs ));
event_index = BF_ReadUBitLong( msg, MAX_EVENT_BITS );
if( BF_ReadOneBit( msg ))
delay = (float)BF_ReadWord( msg ) * (1.0f / 100.0f);
// reliable events not use delta-compression just null-compression
MSG_ReadDeltaEvent( msg, &nullargs, &args );
if(( pEnt = CL_GetEntityByIndex( args.entindex )) != NULL )
{
if( VectorIsNull( args.origin ))
VectorCopy( pEnt->curstate.origin, args.origin );
if( VectorIsNull( args.angles ))
VectorCopy( pEnt->curstate.angles, args.angles );
if( VectorIsNull( args.velocity ))
VectorCopy( pEnt->curstate.velocity, args.velocity );
}
CL_QueueEvent( FEV_RELIABLE|FEV_SERVER, event_index, delay, &args );
}
/*
===============
CL_SetSolid
Builds all the pmove physents for the current frame
Note that CL_SetUpPlayerPrediction() must be called first!
pmove must be setup with world and solid entity hulls before calling
(via CL_PredictMove)
===============
*/
void CL_SetSolidPlayers( int playernum )
{
int j;
extern vec3_t player_mins;
extern vec3_t player_maxs;
cl_entity_t *ent;
physent_t *pe;
if( !cl_solid_players->integer )
return;
for( j = 0; j < cl.maxclients; j++ )
{
// the player object never gets added
if( j == playernum ) continue;
ent = CL_GetEntityByIndex( j + 1 );
if( !ent || !ent->player )
continue; // not present this frame
pe = &clgame.pmove->physents[clgame.pmove->numphysent];
if( CL_CopyEntityToPhysEnt( pe, ent ))
clgame.pmove->numphysent++;
}
}
/*
===============
CL_AddPacketEntities
===============
*/
void CL_AddPacketEntities( frame_t *frame )
{
cl_entity_t *ent, *clent;
int i, e, entityType;
clent = CL_GetLocalPlayer();
if( !clent ) return;
for( i = 0; i < cl.frame.num_entities; i++ )
{
e = cls.packet_entities[(cl.frame.first_entity + i) % cls.num_client_entities].number;
ent = CL_GetEntityByIndex( e );
if( !ent || ent == clgame.entities )
continue;
CL_UpdateEntityFields( ent );
if( ent->player ) entityType = ET_PLAYER;
else if( ent->curstate.entityType == ENTITY_BEAM )
entityType = ET_BEAM;
else entityType = ET_NORMAL;
CL_AddVisibleEntity( ent, entityType );
}
}
/*
=============
CL_GetWaterEntity
returns water brush where inside pos
=============
*/
cl_entity_t *CL_GetWaterEntity( const float *rgflPos )
{
int entnum;
entnum = CL_WaterEntity( rgflPos );
if( entnum <= 0 ) return NULL; // world or not water
return CL_GetEntityByIndex( entnum );
}
/*
====================
CL_AddLinksToPmove
collect solid entities
====================
*/
void CL_AddLinksToPmove()
{
cl_entity_t *check;
physent_t *pe;
int i, solid, idx;
for( i = 0; i < cl.frame.num_entities; i++ )
{
idx = cls.packet_entities[(cl.frame.first_entity + i) % cls.num_client_entities].number;
check = CL_GetEntityByIndex( idx );
// don't add the world and clients here
if( !check || check == &clgame.entities[0] )
continue;
if( clgame.pmove->numvisent < MAX_PHYSENTS )
{
pe = &clgame.pmove->visents[clgame.pmove->numvisent];
if( CL_CopyEntityToPhysEnt( pe, check ))
clgame.pmove->numvisent++;
}
// players will be added later
if( check->player )
continue;
// can't collide with zeroed hull
if( VectorIsNull( check->curstate.mins ) && VectorIsNull( check->curstate.maxs ))
continue;
solid = check->curstate.solid;
if( solid == SOLID_BSP || solid == SOLID_BBOX || solid == SOLID_SLIDEBOX || solid == SOLID_CUSTOM )
{
// reserve slots for all the clients
if( clgame.pmove->numphysent < ( MAX_PHYSENTS - cl.maxclients ))
{
pe = &clgame.pmove->physents[clgame.pmove->numphysent];
if( CL_CopyEntityToPhysEnt( pe, check ))
clgame.pmove->numphysent++;
}
}
else if( solid == SOLID_NOT && check->curstate.skin != CONTENTS_NONE )
{
if( clgame.pmove->nummoveent < MAX_MOVEENTS )
{
pe = &clgame.pmove->moveents[clgame.pmove->nummoveent];
if( CL_CopyEntityToPhysEnt( pe, check ))
clgame.pmove->nummoveent++;
}
}
}
}
static void pfnPlaybackEventFull( int flags, int clientindex, word eventindex, float delay, float *origin,
float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 )
{
cl_entity_t *ent;
ent = CL_GetEntityByIndex( clientindex + 1 );
if( ent == NULL ) return;
CL_PlaybackEvent( flags, (edict_t *)ent, eventindex,
delay, origin, angles,
fparam1, fparam2,
iparam1, iparam2,
bparam1, bparam2 );
}
void SND_CloseMouth( channel_t *ch )
{
if( ch->entchannel == CHAN_VOICE || ch->entchannel == CHAN_STREAM )
{
cl_entity_t *clientEntity;
clientEntity = CL_GetEntityByIndex( ch->entnum );
if( clientEntity )
{
// shut mouth
clientEntity->mouth.mouthopen = 0;
}
}
}
void SND_MoveMouth8( channel_t *ch, wavdata_t *pSource, int count )
{
cl_entity_t *clientEntity;
char *pdata = NULL;
mouth_t *pMouth = NULL;
int savg, data;
int scount, pos = 0;
uint i;
clientEntity = CL_GetEntityByIndex( ch->entnum );
if( !clientEntity ) return;
pMouth = &clientEntity->mouth;
if( ch->isSentence )
{
if( ch->currentWord )
pos = ch->currentWord->sample;
}
else pos = ch->pMixer.sample;
count = S_GetOutputData( pSource, &pdata, pos, count, ch->use_loop );
if( pdata == NULL ) return;
i = 0;
scount = pMouth->sndcount;
savg = 0;
while( i < count && scount < CAVGSAMPLES )
{
data = pdata[i];
savg += abs( data );
i += 80 + ((byte)data & 0x1F);
scount++;
}
pMouth->sndavg += savg;
pMouth->sndcount = (byte)scount;
if( pMouth->sndcount >= CAVGSAMPLES )
{
pMouth->mouthopen = pMouth->sndavg / CAVGSAMPLES;
pMouth->sndavg = 0;
pMouth->sndcount = 0;
}
}
/*
==============
CL_ParseStudioDecal
Studio Decal message. Used by engine in case
we need save\restore decals
==============
*/
void CL_ParseStudioDecal( sizebuf_t *msg )
{
modelstate_t state;
vec3_t start, pos;
int decalIndex, entityIndex;
int modelIndex = 0;
int flags;
pos[0] = BF_ReadCoord( msg );
pos[1] = BF_ReadCoord( msg );
pos[2] = BF_ReadCoord( msg );
start[0] = BF_ReadCoord( msg );
start[1] = BF_ReadCoord( msg );
start[2] = BF_ReadCoord( msg );
decalIndex = BF_ReadShort( msg );
entityIndex = BF_ReadShort( msg );
flags = BF_ReadByte( msg );
state.sequence = BF_ReadShort( msg );
state.frame = BF_ReadShort( msg );
state.blending[0] = BF_ReadByte( msg );
state.blending[1] = BF_ReadByte( msg );
state.controller[0] = BF_ReadByte( msg );
state.controller[1] = BF_ReadByte( msg );
state.controller[2] = BF_ReadByte( msg );
state.controller[3] = BF_ReadByte( msg );
if( cls.state == ca_connected )
{
// this message came on restore.
// read modelindex in case client models are not linked with entities
// because first client frame has not yet received
modelIndex = BF_ReadShort( msg );
}
if( clgame.drawFuncs.R_StudioDecalShoot )
{
int decalTexture = CL_DecalIndex( decalIndex );
cl_entity_t *ent = CL_GetEntityByIndex( entityIndex );
if( ent && !ent->model && modelIndex != 0 )
ent->model = Mod_Handle( modelIndex );
clgame.drawFuncs.R_StudioDecalShoot( decalTexture, ent, start, pos, flags, &state );
}
}
void SND_InitMouth( int entnum, int entchannel )
{
if(( entchannel == CHAN_VOICE || entchannel == CHAN_STREAM ) && entnum > 0 )
{
cl_entity_t *clientEntity;
// init mouth movement vars
clientEntity = CL_GetEntityByIndex( entnum );
if( clientEntity )
{
clientEntity->mouth.mouthopen = 0;
clientEntity->mouth.sndavg = 0;
clientEntity->mouth.sndcount = 0;
}
}
}
//
// sound engine implementation
//
qboolean CL_GetEntitySpatialization( int entnum, vec3_t origin, float *pradius )
{
cl_entity_t *ent;
qboolean valid_origin;
ASSERT( origin != NULL );
if( entnum == 0 ) return true; // static sound
if(( entnum - 1 ) == cl.playernum )
{
VectorCopy( cl.frame.local.client.origin, origin );
return true;
}
valid_origin = VectorIsNull( origin ) ? false : true;
ent = CL_GetEntityByIndex( entnum );
// entity is not present on the client but has valid origin
if( !ent || !ent->index ) return valid_origin;
if( ent->curstate.messagenum == 0 )
{
// entity is never has updates on the client
// so we should use static origin instead
return valid_origin;
}
#if 0
// uncomment this if you want enable additional check by PVS
if( ent->curstate.messagenum != cl.parsecount )
return valid_origin;
#endif
// setup origin
VectorAverage( ent->curstate.mins, ent->curstate.maxs, origin );
VectorAdd( origin, ent->curstate.origin, origin );
// setup radius
if( pradius )
{
if( ent->model != NULL && ent->model->radius ) *pradius = ent->model->radius;
else *pradius = RadiusFromBounds( ent->curstate.mins, ent->curstate.maxs );
}
return true;
}
/*
===============
CL_SetSolid
Builds all the pmove physents for the current frame
Note that CL_SetUpPlayerPrediction() must be called first!
pmove must be setup with world and solid entity hulls before calling
(via CL_PredictMove)
===============
*/
void CL_SetSolidPlayers( int playernum )
{
int j;
cl_entity_t *ent;
entity_state_t *state;
physent_t *pe;
if( !cl_solid_players->integer )
return;
for( j = 0; j < cl.maxclients; j++ )
{
// the player object never gets added
if( j == playernum )
continue;
ent = CL_GetEntityByIndex( j + 1 );
if( !ent || !ent->player )
continue; // not present this frame
#if 1 // came from SetUpPlayerPrediction
state = cl.frames[cl.parsecountmod].playerstate + j;
if( ent->curstate.messagenum != cl.parsecount )
continue; // not present this frame [2]
if( ent->curstate.movetype == MOVETYPE_NONE )
continue;
if( state->effects & EF_NODRAW )
continue; // skip invisible
if( !state->solid )
continue; // not solid
#endif
pe = &clgame.pmove->physents[clgame.pmove->numphysent];
if( CL_CopyEntityToPhysEnt( pe, ent ))
clgame.pmove->numphysent++;
}
}
/*
==============
CL_ParseStudioDecal
Studio Decal message. Used by engine in case
we need save\restore decals
==============
*/
void CL_ParseStudioDecal( sizebuf_t *msg )
{
modelstate_t state;
vec3_t start, pos;
int decalIndex, entityIndex;
int modelIndex = 0;
int flags;
BF_ReadVec3Coord( msg, pos );
BF_ReadVec3Coord( msg, start );
decalIndex = BF_ReadWord( msg );
entityIndex = BF_ReadWord( msg );
flags = BF_ReadByte( msg );
state.sequence = BF_ReadShort( msg );
state.frame = BF_ReadShort( msg );
state.blending[0] = BF_ReadByte( msg );
state.blending[1] = BF_ReadByte( msg );
state.controller[0] = BF_ReadByte( msg );
state.controller[1] = BF_ReadByte( msg );
state.controller[2] = BF_ReadByte( msg );
state.controller[3] = BF_ReadByte( msg );
modelIndex = BF_ReadWord( msg );
state.body = BF_ReadByte( msg );
state.skin = BF_ReadByte( msg );
if( clgame.drawFuncs.R_StudioDecalShoot != NULL )
{
int decalTexture = CL_DecalIndex( decalIndex );
cl_entity_t *ent = CL_GetEntityByIndex( entityIndex );
if( ent && !ent->model && modelIndex != 0 )
ent->model = Mod_Handle( modelIndex );
clgame.drawFuncs.R_StudioDecalShoot( decalTexture, ent, start, pos, flags, &state );
}
}
/*
==================
CL_ParsePacketEntities
An svc_packetentities has just been parsed, deal with the
rest of the data stream.
==================
*/
void CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
{
frame_t *newframe, *oldframe;
int oldindex, newnum, oldnum;
int oldpacket, newpacket;
cl_entity_t *player;
entity_state_t *oldent;
int i, count;
// save first uncompressed packet as timestamp
if( cls.changelevel && !delta && cls.demorecording )
CL_WriteDemoJumpTime();
// first, allocate packet for new frame
count = BF_ReadWord( msg );
newpacket = cl.parsecountmod;
newframe = &cl.frames[newpacket];
// allocate parse entities
newframe->first_entity = cls.next_client_entities;
newframe->num_entities = 0;
newframe->valid = true; // assume valid
if( delta )
{
int subtracted;
oldpacket = BF_ReadByte( msg );
subtracted = ((( cls.netchan.incoming_sequence & 0xFF ) - oldpacket ) & 0xFF );
if( subtracted == 0 )
{
Host_Error( "CL_DeltaPacketEntities: update too old, connection dropped.\n" );
return;
}
if( subtracted >= CL_UPDATE_MASK )
{
// we can't use this, it is too old
Con_NPrintf( 2, "^3Warning:^1 delta frame is too old^7\n" );
CL_FlushEntityPacket( msg );
return;
}
oldframe = &cl.frames[oldpacket & CL_UPDATE_MASK];
if(( cls.next_client_entities - oldframe->first_entity ) > ( cls.num_client_entities - 128 ))
{
Con_NPrintf( 2, "^3Warning:^1 delta frame is too old^7\n" );
CL_FlushEntityPacket( msg );
return;
}
}
else
{
// this is a full update that we can start delta compressing from now
oldframe = NULL;
oldpacket = -1; // delta too old or is initial message
cl.force_send_usercmd = true; // send reply
cls.demowaiting = false; // we can start recording now
}
// mark current delta state
cl.validsequence = cls.netchan.incoming_sequence;
oldent = NULL;
oldindex = 0;
if( !oldframe )
{
oldnum = MAX_ENTNUMBER;
}
else
{
if( oldindex >= oldframe->num_entities )
{
oldnum = MAX_ENTNUMBER;
}
else
{
oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
oldnum = oldent->number;
}
}
while( 1 )
{
newnum = BF_ReadWord( msg );
if( !newnum ) break; // end of packet entities
if( BF_CheckOverflow( msg ))
Host_Error( "CL_ParsePacketEntities: read overflow\n" );
while( oldnum < newnum )
{
// one or more entities from the old packet are unchanged
CL_DeltaEntity( msg, newframe, oldnum, oldent, true );
oldindex++;
if( oldindex >= oldframe->num_entities )
{
oldnum = MAX_ENTNUMBER;
}
else
{
oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
oldnum = oldent->number;
}
}
if( oldnum == newnum )
{
// delta from previous state
CL_DeltaEntity( msg, newframe, newnum, oldent, false );
oldindex++;
if( oldindex >= oldframe->num_entities )
{
oldnum = MAX_ENTNUMBER;
}
else
{
oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
oldnum = oldent->number;
}
continue;
}
if( oldnum > newnum )
{
// delta from baseline ?
CL_DeltaEntity( msg, newframe, newnum, NULL, false );
continue;
}
}
// any remaining entities in the old frame are copied over
while( oldnum != MAX_ENTNUMBER )
{
// one or more entities from the old packet are unchanged
CL_DeltaEntity( msg, newframe, oldnum, oldent, true );
oldindex++;
if( oldindex >= oldframe->num_entities )
{
oldnum = MAX_ENTNUMBER;
}
else
{
oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
oldnum = oldent->number;
}
}
cl.frame = *newframe;
if( !cl.frame.valid ) return;
player = CL_GetLocalPlayer();
if( cls.state != ca_active )
{
// client entered the game
cls.state = ca_active;
cl.force_refdef = true;
cls.changelevel = false; // changelevel is done
cls.changedemo = false; // changedemo is done
SCR_MakeLevelShot(); // make levelshot if needs
Cvar_SetFloat( "scr_loading", 0.0f ); // reset progress bar
if(( cls.demoplayback || cls.disable_servercount != cl.servercount ) && cl.video_prepped )
SCR_EndLoadingPlaque(); // get rid of loading plaque
}
// update local player states
clgame.dllFuncs.pfnTxferLocalOverrides( &player->curstate, &newframe->local.client );
// update state for all players
for( i = 0; i < cl.maxclients; i++ )
{
cl_entity_t *ent = CL_GetEntityByIndex( i + 1 );
if( !ent ) continue;
clgame.dllFuncs.pfnProcessPlayerState( &newframe->playerstate[i], &ent->curstate );
newframe->playerstate[i].number = ent->index;
}
cl.frame = *newframe;
}
void CL_UpdateEntityFields( cl_entity_t *ent )
{
// parametric rockets code
if( ent->curstate.starttime != 0.0f && ent->curstate.impacttime != 0.0f )
{
float lerp = ( cl.time - ent->curstate.starttime ) / ( ent->curstate.impacttime - ent->curstate.starttime );
vec3_t dir;
lerp = bound( 0.0f, lerp, 1.0f );
// first we need to calc actual origin
VectorLerp( ent->curstate.startpos, lerp, ent->curstate.endpos, ent->curstate.origin );
VectorSubtract( ent->curstate.endpos, ent->curstate.startpos, dir );
VectorAngles( dir, ent->curstate.angles ); // re-aim projectile
}
ent->model = Mod_Handle( ent->curstate.modelindex );
ent->curstate.msg_time = cl.time;
CL_InterpolateModel( ent );
if( ent->player && RP_LOCALCLIENT( ent )) // stupid Half-Life bug
ent->angles[PITCH] = -ent->angles[PITCH] / 3.0f;
// make me lerp
if( ent->model && ent->model->type == mod_brush && ent->curstate.animtime != 0.0f )
{
float d, f = 0.0f;
int i;
// don't do it if the goalstarttime hasn't updated in a while.
// NOTE: Because we need to interpolate multiplayer characters, the interpolation time limit
// was increased to 1.0 s., which is 2x the max lag we are accounting for.
if(( cl.time < ent->curstate.animtime + 1.0f ) && ( ent->curstate.animtime != ent->latched.prevanimtime ))
f = ( cl.time - ent->curstate.animtime ) / ( ent->curstate.animtime - ent->latched.prevanimtime );
f = f - 1.0f;
ent->origin[0] += ( ent->origin[0] - ent->latched.prevorigin[0] ) * f;
ent->origin[1] += ( ent->origin[1] - ent->latched.prevorigin[1] ) * f;
ent->origin[2] += ( ent->origin[2] - ent->latched.prevorigin[2] ) * f;
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = ent->angles[i];
ang2 = ent->latched.prevangles[i];
d = ang1 - ang2;
if( d > 180.0f ) d -= 360.0f;
else if( d < -180.0f ) d += 360.0f;
ent->angles[i] += d * f;
}
}
else if( ent->curstate.eflags & EFLAG_SLERP )
{
float d, f = 0.0f;
cl_entity_t *m_pGround = NULL;
int i;
// don't do it if the goalstarttime hasn't updated in a while.
// NOTE: Because we need to interpolate multiplayer characters, the interpolation time limit
// was increased to 1.0 s., which is 2x the max lag we are accounting for.
if(( cl.time < ent->curstate.animtime + 1.0f ) && ( ent->curstate.animtime != ent->latched.prevanimtime ))
f = ( cl.time - ent->curstate.animtime ) / ( ent->curstate.animtime - ent->latched.prevanimtime );
f = f - 1.0f;
if( ent->curstate.movetype == MOVETYPE_FLY )
{
ent->origin[0] += ( ent->curstate.origin[0] - ent->latched.prevorigin[0] ) * f;
ent->origin[1] += ( ent->curstate.origin[1] - ent->latched.prevorigin[1] ) * f;
ent->origin[2] += ( ent->curstate.origin[2] - ent->latched.prevorigin[2] ) * f;
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = ent->curstate.angles[i];
ang2 = ent->latched.prevangles[i];
d = ang1 - ang2;
if( d > 180.0f ) d -= 360.0f;
else if( d < -180.0f ) d += 360.0f;
ent->angles[i] += d * f;
}
}
else if( ent->curstate.movetype == MOVETYPE_STEP )
{
vec3_t vecSrc, vecEnd;
pmtrace_t trace;
if( ent->model )
{
CL_SetTraceHull( 0 ); // g-cont. player hull for better detect moving platforms
VectorSet( vecSrc, ent->origin[0], ent->origin[1], ent->origin[2] + ent->model->maxs[2] );
VectorSet( vecEnd, vecSrc[0], vecSrc[1], vecSrc[2] - ent->model->mins[2] - 8.0f );
CL_PlayerTraceExt( vecSrc, vecEnd, PM_STUDIO_IGNORE, CL_PushMoveFilter, &trace );
m_pGround = CL_GetEntityByIndex( pfnIndexFromTrace( &trace ));
}
if( m_pGround && m_pGround->curstate.movetype == MOVETYPE_PUSH )
{
qboolean applyVel, applyAvel;
applyVel = !VectorCompare( m_pGround->curstate.origin, m_pGround->prevstate.origin );
applyAvel = !VectorCompare( m_pGround->curstate.angles, m_pGround->prevstate.angles );
if( applyVel || applyAvel )
{
ent->origin[0] += ( m_pGround->curstate.origin[0] - m_pGround->prevstate.origin[0] ) * -1.0f;
ent->origin[1] += ( m_pGround->curstate.origin[1] - m_pGround->prevstate.origin[1] ) * -1.0f;
// ent->origin[2] += ( m_pGround->curstate.origin[2] - m_pGround->prevstate.origin[2] ) * -1.0f;
ent->latched.prevorigin[2] = ent->origin[2];
}
if( applyAvel )
{
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = m_pGround->curstate.angles[i];
ang2 = m_pGround->prevstate.angles[i];
d = ang1 - ang2;
if( d > 180.0f ) d -= 360.0f;
else if( d < -180.0f ) d += 360.0f;
ent->angles[i] += d * -1.0f;
}
}
}
// moved code from StudioSetupTransform here
if( host.features & ENGINE_COMPUTE_STUDIO_LERP )
{
ent->origin[0] += ( ent->curstate.origin[0] - ent->latched.prevorigin[0] ) * f;
ent->origin[1] += ( ent->curstate.origin[1] - ent->latched.prevorigin[1] ) * f;
ent->origin[2] += ( ent->curstate.origin[2] - ent->latched.prevorigin[2] ) * f;
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = ent->angles[i];
ang2 = ent->latched.prevangles[i];
d = ang1 - ang2;
if( d > 180.0f ) d -= 360.0f;
else if( d < -180.0f ) d += 360.0f;
ent->angles[i] += d * f;
}
}
}
}
}
/*
=================
CL_PredictMovement
Sets cl.predicted_origin and cl.predicted_angles
=================
*/
void CL_PredictMovement()
{
int frame;
int ack, outgoing_command;
int current_command;
int current_command_mod;
cl_entity_t *player, *viewent;
clientdata_t *cd;
if( cls.state != ca_active )
return;
if( cls.demoplayback && cl.refdef.cmd != NULL )
VectorCopy( cl.refdef.cmd->viewangles, cl.refdef.cl_viewangles ); // restore viewangles from cmd.angles
if(cl.refdef.paused /*|| cls.key_dest == key_menu*/)
//return;
player = CL_GetLocalPlayer ();
viewent = CL_GetEntityByIndex( cl.refdef.viewentity );
cd = &cl.frame.local.client;
// unpredicted pure angled values converted into axis
AngleVectors( cl.refdef.cl_viewangles, cl.refdef.forward, cl.refdef.right, cl.refdef.up );
if( !CL_IsPredicted( ))
{
// run commands even if client predicting is disabled - client expect it
clgame.pmove->runfuncs = true;
CL_PostRunCmd( cl.refdef.cmd, cls.lastoutgoingcommand );
return;
};
ack = cls.netchan.incoming_acknowledged;
outgoing_command = cls.netchan.outgoing_sequence;
// if we are too far out of date, just freeze
if(outgoing_command - ack >= CL_UPDATE_BACKUP)
{
//if(cl_showmiss->value)
//Com_Printf ("exceeded CL_UPDATE_BACKUP\n");
return;
};
ASSERT( cl.refdef.cmd != NULL );
// setup initial pmove state
CL_SetupPMove( clgame.pmove, cd, &player->curstate, cl.refdef.cmd );
clgame.pmove->runfuncs = false;
frame = 0;
while(++ack < outgoing_command)
{
// we've run too far forward
//if( frame >= CL_UPDATE_BACKUP - 1 )
// break;
frame = ack & (CL_UPDATE_BACKUP - 1);
// Incoming_acknowledged is the last usercmd the server acknowledged having acted upon
current_command = ack + frame;
current_command_mod = current_command & CL_UPDATE_MASK;
// we've caught up to the current command
// this was the most up to date command
if(current_command >= outgoing_command)
break;
clgame.pmove->cmd = cl.cmds[current_command_mod];
// Call the client dll player movement function (and it will call the PM_Move())
clgame.dllFuncs.pfnPlayerMove(clgame.pmove, false); // run frames
clgame.pmove->runfuncs = ( current_command > outgoing_command - 1 ) ? true : false; // Prevent to play sounds/etc more that once
frame++;
};
CL_PostRunCmd( cl.refdef.cmd, cls.lastoutgoingcommand );
// copy results out for rendering
VectorCopy( clgame.pmove->view_ofs, cl.predicted_viewofs );
VectorCopy( clgame.pmove->origin, cl.predicted_origin );
VectorCopy( clgame.pmove->velocity, cl.predicted_velocity );
};
// Shoots a decal onto the surface of the BSP. position is the center of the decal in world coords
void R_DecalShoot( int textureIndex, int entityIndex, int modelIndex, vec3_t pos, int flags, vec3_t saxis, float scale )
{
decalinfo_t decalInfo;
hull_t *hull;
cl_entity_t *ent = NULL;
model_t *model = NULL;
int width, height;
if( textureIndex <= 0 || textureIndex >= MAX_TEXTURES )
{
MsgDev( D_ERROR, "Decal has invalid texture!\n" );
return;
}
if( entityIndex > 0 )
{
ent = CL_GetEntityByIndex( entityIndex );
if( modelIndex > 0 ) model = Mod_Handle( modelIndex );
else if( ent != NULL ) model = Mod_Handle( ent->curstate.modelindex );
else return;
}
else if( modelIndex > 0 )
model = Mod_Handle( modelIndex );
else model = cl.worldmodel;
if( !model ) return;
if( model->type != mod_brush )
{
MsgDev( D_ERROR, "Decals must hit mod_brush!\n" );
return;
}
decalInfo.m_pModel = model;
hull = &model->hulls[0]; // always use #0 hull
if( ent && !( flags & FDECAL_LOCAL_SPACE ))
{
vec3_t pos_l;
// transform decal position in local bmodel space
if( !VectorIsNull( ent->angles ))
{
matrix4x4 matrix;
Matrix4x4_CreateFromEntity( matrix, ent->angles, ent->origin, 1.0f );
Matrix4x4_VectorITransform( matrix, pos, pos_l );
}
else
{
VectorSubtract( pos, ent->origin, pos_l );
}
VectorCopy( pos_l, decalInfo.m_Position );
flags |= FDECAL_LOCAL_SPACE; // decal position moved into local space
}
else
{
// pass position in global
VectorCopy( pos, decalInfo.m_Position );
}
// deal with the s axis if one was passed in
if( saxis )
{
flags |= FDECAL_USESAXIS;
VectorCopy( saxis, decalInfo.m_SAxis );
}
// this decal must use landmark for correct transition
if(!( model->flags & MODEL_HAS_ORIGIN ))
{
flags |= FDECAL_USE_LANDMARK;
}
// more state used by R_DecalNode()
decalInfo.m_iTexture = textureIndex;
decalInfo.m_Entity = entityIndex;
decalInfo.m_Flags = flags;
R_GetDecalDimensions( textureIndex, &width, &height );
decalInfo.m_Size = width >> 1;
if(( height >> 1 ) > decalInfo.m_Size )
decalInfo.m_Size = height >> 1;
decalInfo.m_scale = bound( MIN_DECAL_SCALE, scale, MAX_DECAL_SCALE );
// compute the decal dimensions in world space
decalInfo.m_decalWidth = width / decalInfo.m_scale;
decalInfo.m_decalHeight = height / decalInfo.m_scale;
R_DecalNode( model, &model->nodes[hull->firstclipnode], &decalInfo );
}
/*
=========================================================================
FRAME PARSING
=========================================================================
*/
void CL_UpdateEntityFields( cl_entity_t *ent )
{
VectorCopy( ent->curstate.origin, ent->origin );
VectorCopy( ent->curstate.angles, ent->angles );
ent->model = Mod_Handle( ent->curstate.modelindex );
ent->curstate.msg_time = cl.time;
if( ent->player ) // stupid Half-Life bug
ent->angles[PITCH] = -ent->angles[PITCH] / 3.0f;
// make me lerp
if( ent->model && ent->model->type == mod_brush && ent->curstate.animtime != 0.0f )
{
float d, f = 0.0f;
int i;
// don't do it if the goalstarttime hasn't updated in a while.
// NOTE: Because we need to interpolate multiplayer characters, the interpolation time limit
// was increased to 1.0 s., which is 2x the max lag we are accounting for.
if(( cl.time < ent->curstate.animtime + 1.0f ) && ( ent->curstate.animtime != ent->latched.prevanimtime ))
f = ( cl.time - ent->curstate.animtime ) / ( ent->curstate.animtime - ent->latched.prevanimtime );
f = f - 1.0f;
ent->origin[0] += ( ent->origin[0] - ent->latched.prevorigin[0] ) * f;
ent->origin[1] += ( ent->origin[1] - ent->latched.prevorigin[1] ) * f;
ent->origin[2] += ( ent->origin[2] - ent->latched.prevorigin[2] ) * f;
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = ent->angles[i];
ang2 = ent->latched.prevangles[i];
d = ang1 - ang2;
if( d > 180.0f ) d -= 360.0f;
else if( d < -180.0f ) d += 360.0f;
ent->angles[i] += d * f;
}
}
else if( ent->curstate.eflags & EFLAG_SLERP )
{
float d, f = 0.0f;
cl_entity_t *m_pGround = NULL;
int i;
// don't do it if the goalstarttime hasn't updated in a while.
// NOTE: Because we need to interpolate multiplayer characters, the interpolation time limit
// was increased to 1.0 s., which is 2x the max lag we are accounting for.
if(( cl.time < ent->curstate.animtime + 1.0f ) && ( ent->curstate.animtime != ent->latched.prevanimtime ))
f = ( cl.time - ent->curstate.animtime ) / ( ent->curstate.animtime - ent->latched.prevanimtime );
f = f - 1.0f;
if( ent->curstate.movetype == MOVETYPE_FLY )
{
ent->origin[0] += ( ent->curstate.origin[0] - ent->latched.prevorigin[0] ) * f;
ent->origin[1] += ( ent->curstate.origin[1] - ent->latched.prevorigin[1] ) * f;
ent->origin[2] += ( ent->curstate.origin[2] - ent->latched.prevorigin[2] ) * f;
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = ent->curstate.angles[i];
ang2 = ent->latched.prevangles[i];
d = ang1 - ang2;
if( d > 180.0f ) d -= 360.0f;
else if( d < -180.0f ) d += 360.0f;
ent->angles[i] += d * f;
}
}
else if( ent->curstate.movetype == MOVETYPE_STEP )
{
vec3_t vecSrc, vecEnd;
pmtrace_t trace;
if( ent->model )
{
CL_SetTraceHull( 0 ); // g-cont. player hull for better detect moving platforms
VectorSet( vecSrc, ent->origin[0], ent->origin[1], ent->origin[2] + ent->model->maxs[2] );
VectorSet( vecEnd, vecSrc[0], vecSrc[1], vecSrc[2] - ent->model->mins[2] - 8.0f );
CL_PlayerTraceExt( vecSrc, vecEnd, PM_STUDIO_IGNORE, CL_PushMoveFilter, &trace );
m_pGround = CL_GetEntityByIndex( pfnIndexFromTrace( &trace ));
}
if( m_pGround && m_pGround->curstate.movetype == MOVETYPE_PUSH )
{
qboolean applyVel, applyAvel;
d = -1.0f;
applyVel = !VectorCompare( m_pGround->curstate.origin, m_pGround->prevstate.origin );
applyAvel = !VectorCompare( m_pGround->curstate.angles, m_pGround->prevstate.angles );
if( applyVel || applyAvel )
{
ent->origin[0] += ( m_pGround->curstate.origin[0] - m_pGround->prevstate.origin[0] ) * d;
ent->origin[1] += ( m_pGround->curstate.origin[1] - m_pGround->prevstate.origin[1] ) * d;
// ent->origin[2] += ( m_pGround->curstate.origin[2] - m_pGround->prevstate.origin[2] ) * d;
ent->latched.prevorigin[2] = ent->origin[2];
}
if( applyAvel )
{
for( i = 0; i < 3; i++ )
{
float ang1, ang2;
ang1 = m_pGround->curstate.angles[i];
ang2 = m_pGround->prevstate.angles[i];
f = ang1 - ang2;
if( d > 180.0f ) f -= 360.0f;
else if( d < -180.0f ) f += 360.0f;
ent->angles[i] += d * f;
}
}
}
}
}
}
/*
=============
CL_ParseEvent
=============
*/
void CL_ParseEvent( sizebuf_t *msg )
{
int event_index;
int i, num_events;
int packet_ent;
event_args_t nullargs, args;
qboolean has_update;
entity_state_t *state;
cl_entity_t *pEnt;
float delay;
Q_memset( &nullargs, 0, sizeof( nullargs ));
num_events = BF_ReadUBitLong( msg, 5 );
// parse events queue
for( i = 0 ; i < num_events; i++ )
{
event_index = BF_ReadUBitLong( msg, MAX_EVENT_BITS );
Q_memset( &args, 0, sizeof( args ));
has_update = false;
if( BF_ReadOneBit( msg ))
{
packet_ent = BF_ReadUBitLong( msg, MAX_ENTITY_BITS );
if( BF_ReadOneBit( msg ))
{
MSG_ReadDeltaEvent( msg, &nullargs, &args );
has_update = true;
}
}
else packet_ent = -1;
if( packet_ent != -1 )
state = &cls.packet_entities[(cl.frame.first_entity+packet_ent)%cls.num_client_entities];
else state = NULL;
// it's a client. Override some params
if( args.entindex >= 1 && args.entindex <= cl.maxclients )
{
if(( args.entindex - 1 ) == cl.playernum )
{
if( state && !CL_IsPredicted( ))
{
// restore viewangles from angles
args.angles[PITCH] = -state->angles[PITCH] * 3;
args.angles[YAW] = state->angles[YAW];
args.angles[ROLL] = 0; // no roll
}
else
{
// get the predicted angles
VectorCopy( cl.refdef.cl_viewangles, args.angles );
}
VectorCopy( cl.frame.local.client.origin, args.origin );
VectorCopy( cl.frame.local.client.velocity, args.velocity );
}
else if( state )
{
// restore viewangles from angles
args.angles[PITCH] = -state->angles[PITCH] * 3;
args.angles[YAW] = state->angles[YAW];
args.angles[ROLL] = 0; // no roll
// if we restore origin and velocity everytime, why don't do it here also?
if( VectorIsNull( args.origin ))
VectorCopy( state->origin, args.origin );
if( VectorIsNull( args.velocity ))
VectorCopy( state->velocity, args.velocity );
}
}
else if( state )
{
if( VectorIsNull( args.origin ))
VectorCopy( state->origin, args.origin );
if( VectorIsNull( args.angles ))
VectorCopy( state->angles, args.angles );
if( VectorIsNull( args.velocity ))
VectorCopy( state->velocity, args.velocity );
}
else if(( pEnt = CL_GetEntityByIndex( args.entindex )) != NULL )
{
if( VectorIsNull( args.origin ))
VectorCopy( pEnt->curstate.origin, args.origin );
if( VectorIsNull( args.angles ))
VectorCopy( pEnt->curstate.angles, args.angles );
if( VectorIsNull( args.velocity ))
VectorCopy( pEnt->curstate.velocity, args.velocity );
}
if( BF_ReadOneBit( msg ))
delay = (float)BF_ReadWord( msg ) * (1.0f / 100.0f);
else delay = 0.0f;
// g-cont. should we need find the event with same index?
CL_QueueEvent( 0, event_index, delay, &args );
}
}
/*
=================
CL_PrepVideo
Call before entering a new level, or after changing dlls
=================
*/
void CL_PrepVideo( void )
{
string mdlname, mapname;
int i, mdlcount, step;
int map_checksum; // dummy
if( !cl.model_precache[1][0] )
return; // no map loaded
Cvar_SetFloat( "scr_loading", 0.0f ); // reset progress bar
MsgDev( D_NOTE, "CL_PrepVideo: %s\n", clgame.mapname );
// let the render dll load the map
Q_strncpy( mapname, cl.model_precache[1], MAX_STRING );
Mod_LoadWorld( mapname, (uint *)&map_checksum, false );
cl.worldmodel = Mod_Handle( 1 ); // get world pointer
Cvar_SetFloat( "scr_loading", 25.0f );
SCR_UpdateScreen();
// make sure what map is valid
if( !cls.demoplayback && map_checksum != cl.checksum )
Host_Error( "Local map version differs from server: %i != '%i'\n", map_checksum, cl.checksum );
for( i = 0, mdlcount = 0; i < MAX_MODELS && cl.model_precache[i+1][0]; i++ )
mdlcount++; // total num models
step = mdlcount/10;
for( i = 0; i < MAX_MODELS && cl.model_precache[i+1][0]; i++ )
{
Q_strncpy( mdlname, cl.model_precache[i+1], MAX_STRING );
Mod_RegisterModel( mdlname, i+1 );
Cvar_SetFloat( "scr_loading", scr_loading->value + 75.0f / mdlcount );
if( step && !( i % step ) && ( cl_allow_levelshots->integer || cl.background ) )
SCR_UpdateScreen();
}
// update right muzzleflash indexes
CL_RegisterMuzzleFlashes ();
// invalidate all decal indexes
Q_memset( cl.decal_index, 0, sizeof( cl.decal_index ));
CL_ClearWorld ();
R_NewMap(); // tell the render about new map
V_SetupOverviewState(); // set overview bounds
// must be called after lightmap loading!
clgame.dllFuncs.pfnVidInit();
// release unused SpriteTextures
for( i = 1; i < MAX_IMAGES; i++ )
{
if( !clgame.sprites[i].name[0] ) continue; // free slot
if( clgame.sprites[i].needload != clgame.load_sequence )
Mod_UnloadSpriteModel( &clgame.sprites[i] );
}
Mod_FreeUnused ();
Q_memset( cl.playermodels, 0, sizeof( cl.playermodels ) );
Cvar_SetFloat( "scr_loading", 100.0f ); // all done
if( host.decalList )
{
// need to reapply all decals after restarting
for( i = 0; i < host.numdecals; i++ )
{
decallist_t *entry = &host.decalList[i];
cl_entity_t *pEdict = CL_GetEntityByIndex( entry->entityIndex );
int decalIndex = CL_DecalIndex( CL_DecalIndexFromName( entry->name ));
int modelIndex = 0;
if( pEdict ) modelIndex = pEdict->curstate.modelindex;
CL_DecalShoot( decalIndex, entry->entityIndex, modelIndex, entry->position, entry->flags );
}
Z_Free( host.decalList );
}
host.decalList = NULL;
host.numdecals = 0;
if( host.soundList )
{
// need to reapply all ambient sounds after restarting
for( i = 0; i < host.numsounds; i++ )
{
soundlist_t *entry = &host.soundList[i];
if( entry->looping && entry->entnum != -1 )
{
MsgDev( D_NOTE, "Restarting sound %s...\n", entry->name );
S_AmbientSound( entry->origin, entry->entnum,
S_RegisterSound( entry->name ), entry->volume, entry->attenuation,
entry->pitch, 0 );
}
}
}
host.soundList = NULL;
host.numsounds = 0;
if( host.developer <= 2 )
Con_ClearNotify(); // clear any lines of console text
SCR_UpdateScreen ();
cl.video_prepped = true;
cl.force_refdef = true;
}
/*
=================
CL_PredictMovement
Sets cl.predicted_origin and cl.predicted_angles
=================
*/
void CL_PredictMovement( void )
{
int frame = 1;
int ack, outgoing_command;
int current_command;
int current_command_mod;
cl_entity_t *player, *viewent;
clientdata_t *cd;
if( cls.state != ca_active ) return;
if( cls.demoplayback && cl.refdef.cmd != NULL )
{
// restore viewangles from cmd.angles
VectorCopy( cl.refdef.cmd->viewangles, cl.refdef.cl_viewangles );
}
if( cl.refdef.paused || cls.key_dest == key_menu ) return;
player = CL_GetLocalPlayer ();
viewent = CL_GetEntityByIndex( cl.refdef.viewentity );
cd = &cl.frame.local.client;
// unpredicted pure angled values converted into axis
AngleVectors( cl.refdef.cl_viewangles, cl.refdef.forward, cl.refdef.right, cl.refdef.up );
if( !CL_IsPredicted( ))
{
// run commands even if client predicting is disabled - client expected it
clgame.pmove->runfuncs = true;
CL_PostRunCmd( cl.refdef.cmd, cls.lastoutgoingcommand );
return;
}
ack = cls.netchan.incoming_acknowledged;
outgoing_command = cls.netchan.outgoing_sequence;
ASSERT( cl.refdef.cmd != NULL );
// setup initial pmove state
CL_SetupPMove( clgame.pmove, cd, &player->curstate, cl.refdef.cmd );
clgame.pmove->runfuncs = false;
while( 1 )
{
// we've run too far forward
if( frame >= CL_UPDATE_BACKUP - 1 )
break;
// Incoming_acknowledged is the last usercmd the server acknowledged having acted upon
current_command = ack + frame;
current_command_mod = current_command & CL_UPDATE_MASK;
// we've caught up to the current command.
if( current_command >= outgoing_command )
break;
clgame.pmove->cmd = cl.cmds[current_command_mod];
// motor!
clgame.dllFuncs.pfnPlayerMove( clgame.pmove, false ); // run frames
clgame.pmove->runfuncs = ( current_command > outgoing_command - 1 ) ? true : false;
frame++;
}
CL_PostRunCmd( cl.refdef.cmd, frame );
// copy results out for rendering
VectorCopy( clgame.pmove->view_ofs, cl.predicted_viewofs );
VectorCopy( clgame.pmove->origin, cl.predicted_origin );
VectorCopy( clgame.pmove->velocity, cl.predicted_velocity );
}
