//-----------------------------------------------------------------------------
// Purpose: Finds an entity given a procedural name.
// Input : szName - The procedural name to search for, should start with '!'.
// pSearchingEntity -
// pActivator - The activator entity if this was called from an input
// or Use handler.
//-----------------------------------------------------------------------------
CBaseEntity *CGlobalEntityList::FindEntityProcedural( const char *szName, CBaseEntity *pSearchingEntity, CBaseEntity *pActivator, CBaseEntity *pCaller )
{
//
// Check for the name escape character.
//
if ( szName[0] == '!' )
{
const char *pName = szName + 1;
//
// It is a procedural name, look for the ones we understand.
//
if ( FStrEq( pName, "player" ) )
{
return (CBaseEntity *)UTIL_PlayerByIndex( 1 );
}
else if ( FStrEq( pName, "pvsplayer" ) )
{
if ( pSearchingEntity )
{
return CBaseEntity::Instance( UTIL_FindClientInPVS( pSearchingEntity->edict() ) );
}
else if ( pActivator )
{
// FIXME: error condition?
return CBaseEntity::Instance( UTIL_FindClientInPVS( pActivator->edict() ) );
}
else
{
// FIXME: error condition?
return (CBaseEntity *)UTIL_PlayerByIndex( 1 );
}
}
else if ( FStrEq( pName, "activator" ) )
{
return pActivator;
}
else if ( FStrEq( pName, "caller" ) )
{
return pCaller;
}
else if ( FStrEq( pName, "picker" ) )
{
return FindPickerEntity( UTIL_PlayerByIndex(1) );
}
else if ( FStrEq( pName, "self" ) )
{
return pSearchingEntity;
}
else
{
Warning( "Invalid entity search name %s\n", szName );
Assert(0);
}
}
return NULL;
}
bool CAI_ScriptConditions::ActorInPlayersPVS( CBaseEntity *pActor, bool bNot )
{
if ( pActor == NULL )
return true;
bool bInPVS = !!UTIL_FindClientInPVS( pActor->edict());
if ( bInPVS )
{
if( bNot )
{
return false;
}
else
{
return true;
}
}
else
{
if( bNot )
{
return true;
}
else
{
return false;
}
}
}
bool ShouldRemoveThisRagdoll( CBaseAnimating *pRagdoll )
{
if ( g_RagdollLVManager.IsLowViolence() )
{
return true;
}
#ifdef CLIENT_DLL
/* we no longer ignore enemies just because they are on fire -- a ragdoll in front of me
is always a higher priority for retention than a flaming zombie behind me. At the
time I put this in, the ragdolls do clean up their own effects if culled via SUB_Remove().
If you're encountering trouble with ragdolls leaving effects behind, try renabling the code below.
/////////////////////
//Just ignore it until we're done burning/dissolving.
if ( pRagdoll->GetEffectEntity() )
return false;
*/
Vector vMins, vMaxs;
Vector origin = pRagdoll->m_pRagdoll->GetRagdollOrigin();
pRagdoll->m_pRagdoll->GetRagdollBounds( vMins, vMaxs );
if( engine->IsBoxInViewCluster( vMins + origin, vMaxs + origin) == false )
{
if ( g_debug_ragdoll_removal.GetBool() )
{
debugoverlay->AddBoxOverlay( origin, vMins, vMaxs, QAngle( 0, 0, 0 ), 0, 255, 0, 16, 5 );
debugoverlay->AddLineOverlay( origin, origin + Vector( 0, 0, 64 ), 0, 255, 0, true, 5 );
}
return true;
}
else if( engine->CullBox( vMins + origin, vMaxs + origin ) == true )
{
if ( g_debug_ragdoll_removal.GetBool() )
{
debugoverlay->AddBoxOverlay( origin, vMins, vMaxs, QAngle( 0, 0, 0 ), 0, 0, 255, 16, 5 );
debugoverlay->AddLineOverlay( origin, origin + Vector( 0, 0, 64 ), 0, 0, 255, true, 5 );
}
return true;
}
#else
//CBasePlayer *pPlayer = UTIL_GetLocalPlayer();
if( !UTIL_FindClientInPVS( pRagdoll->edict() ) )
{
if ( g_debug_ragdoll_removal.GetBool() )
NDebugOverlay::Line( pRagdoll->GetAbsOrigin(), pRagdoll->GetAbsOrigin() + Vector( 0, 0, 64 ), 0, 255, 0, true, 5 );
return true;
}
#endif
return false;
}
bool CTalkMonster::FOkToSpeak() const
{
// if in the grip of a barnacle, don't speak
if ( m_MonsterState == MONSTERSTATE_PRONE || m_IdealMonsterState == MONSTERSTATE_PRONE )
{
return false;
}
// if not alive, certainly don't speak
if ( GetDeadFlag() != DEAD_NO )
{
return false;
}
// if someone else is talking, don't speak
if (gpGlobals->time <= CTalkMonster::g_talkWaitTime)
return false;
if ( GetSpawnFlags().Any( SF_MONSTER_GAG ) )
return false;
// if player is not in pvs, don't speak
if( !IsAlive() || !UTIL_FindClientInPVS( this ) )
return false;
// don't talk if you're in combat
if (m_hEnemy != NULL && FVisible( m_hEnemy ))
return false;
return true;
}
//---------------------------------------------------------
//---------------------------------------------------------
void CNPC_GroundTurret::GatherConditions()
{
if( !IsEnabled() )
{
return;
}
if( !IsOpen() && !UTIL_FindClientInPVS( edict() ) )
{
return;
}
// Throw away old enemies so the turret can retire
AIEnemiesIter_t iter;
for( AI_EnemyInfo_t *pEMemory = GetEnemies()->GetFirst(&iter); pEMemory != NULL; pEMemory = GetEnemies()->GetNext(&iter) )
{
if( pEMemory->timeLastSeen < gpGlobals->curtime - GROUNDTURRET_RETIRE_TIME )
{
pEMemory->hEnemy = NULL;
}
}
BaseClass::GatherConditions();
if( GetEnemy() && HasCondition(COND_SEE_ENEMY) )
{
m_flTimeLastSawEnemy = gpGlobals->curtime;
}
else
{
if( gpGlobals->curtime - m_flTimeLastSawEnemy >= GROUNDTURRET_RETIRE_TIME )
{
m_OnAreaClear.FireOutput(this, this);
m_flTimeLastSawEnemy = FLT_MAX;
return;
}
}
if( HasCondition( COND_SEE_ENEMY ) )
{
m_bSeeEnemy = true;
}
else
{
m_bSeeEnemy = false;
}
if( GetEnemy() && m_bSeeEnemy && IsEnabled() )
{
if( m_flTimeNextShoot < gpGlobals->curtime )
{
Shoot();
}
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CNPC_GroundTurret::PrescheduleThink()
{
if( UTIL_FindClientInPVS(edict()) )
{
SetNextThink( gpGlobals->curtime + 0.03f );
}
else
{
SetNextThink( gpGlobals->curtime + 0.1f );
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_AllyManager::CountAllies( int *pTotal, int *pMedics )
{
(*pTotal) = (*pMedics) = 0;
if ( !AI_IsSinglePlayer() )
{
// @TODO (toml 10-22-04): no MP support right now
return;
}
const Vector & vPlayerPos = UTIL_GetLocalPlayer()->GetAbsOrigin();
CAI_BaseNPC ** ppAIs = g_AI_Manager.AccessAIs();
int nAIs = g_AI_Manager.NumAIs();
for ( int i = 0; i < nAIs; i++ )
{
if ( ppAIs[i]->IsAlive() && ppAIs[i]->IsPlayerAlly() )
{
// Vital allies do not count.
if( ppAIs[i]->Classify() == CLASS_PLAYER_ALLY_VITAL )
continue;
// They only count if I can use them.
if( ppAIs[i]->HasSpawnFlags(SF_CITIZEN_NOT_COMMANDABLE) )
continue;
// They only count if I can use them.
if( ppAIs[i]->IRelationType( UTIL_GetLocalPlayer() ) != D_LI )
continue;
// Skip distant NPCs
if ( !ppAIs[i]->IsInPlayerSquad() &&
!UTIL_FindClientInPVS( ppAIs[i]->edict() ) &&
( ( ppAIs[i]->GetAbsOrigin() - vPlayerPos ).LengthSqr() > 150*12 ||
fabsf( ppAIs[i]->GetAbsOrigin().z - vPlayerPos.z ) > 192 ) )
continue;
if( FClassnameIs( ppAIs[i], "npc_citizen" ) )
{
CNPC_Citizen *pCitizen = assert_cast<CNPC_Citizen *>(ppAIs[i]);
if ( !pCitizen->CanJoinPlayerSquad() )
continue;
if ( pCitizen->WasInPlayerSquad() && !pCitizen->IsInPlayerSquad() )
continue;
if ( ppAIs[i]->HasSpawnFlags( SF_CITIZEN_MEDIC ) )
(*pMedics)++;
}
(*pTotal)++;
}
}
}
void CGib::SpawnHeadGib( CBaseEntity *pVictim )
{
CGib *pGib = CREATE_ENTITY( CGib, "gib" );
//City17: Germany Violence Fix.
/*if ( g_Language.GetInt() == LANGUAGE_GERMAN )
{
pGib->Spawn( "models/germangibs.mdl" );// throw one head
pGib->m_nBody = 0;
}
else
{*/
pGib->Spawn( "models/gibs/hgibs.mdl" );// throw one head
pGib->m_nBody = 0;
//}
if ( pVictim )
{
Vector vecNewVelocity = pGib->GetAbsVelocity();
pGib->SetLocalOrigin( pVictim->EyePosition() );
edict_t *pentPlayer = UTIL_FindClientInPVS( pGib->edict() );
if ( random->RandomInt ( 0, 100 ) <= 5 && pentPlayer )
{
// 5% chance head will be thrown at player's face.
CBasePlayer *player = (CBasePlayer *)CBaseEntity::Instance( pentPlayer );
if ( player )
{
vecNewVelocity = ( player->EyePosition() ) - pGib->GetAbsOrigin();
VectorNormalize(vecNewVelocity);
vecNewVelocity *= 300;
vecNewVelocity.z += 100;
}
}
else
{
vecNewVelocity = Vector (random->RandomFloat(-100,100), random->RandomFloat(-100,100), random->RandomFloat(200,300));
}
QAngle vecNewAngularVelocity = pGib->GetLocalAngularVelocity();
vecNewAngularVelocity.x = random->RandomFloat ( 100, 200 );
vecNewAngularVelocity.y = random->RandomFloat ( 100, 300 );
pGib->SetLocalAngularVelocity( vecNewAngularVelocity );
// copy owner's blood color
pGib->SetBloodColor( pVictim->BloodColor() );
pGib->AdjustVelocityBasedOnHealth( pVictim->m_iHealth, vecNewVelocity );
pGib->SetAbsVelocity( vecNewVelocity );
}
pGib->LimitVelocity();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CNPC_GroundTurret::Scan()
{
if( m_bSeeEnemy )
{
// Using a bool for this check because the condition gets wiped out by changing schedules.
return;
}
if( IsOpeningOrClosing() )
{
// Moving.
return;
}
if( !IsOpen() )
{
// Closed
return;
}
if( !UTIL_FindClientInPVS(edict()) )
{
return;
}
if( gpGlobals->curtime >= m_flTimeNextPing )
{
EmitSound( "NPC_FloorTurret.Ping" );
m_flTimeNextPing = gpGlobals->curtime + 1.0f;
}
QAngle scanAngle;
Vector forward;
Vector vecEye = GetAbsOrigin() + m_vecLightOffset;
// Draw the outer extents
scanAngle = GetAbsAngles();
scanAngle.y += (GROUNDTURRET_VIEWCONE / 2.0f);
AngleVectors( scanAngle, &forward, NULL, NULL );
ProjectBeam( vecEye, forward, 1, 30, 0.1 );
scanAngle = GetAbsAngles();
scanAngle.y -= (GROUNDTURRET_VIEWCONE / 2.0f);
AngleVectors( scanAngle, &forward, NULL, NULL );
ProjectBeam( vecEye, forward, 1, 30, 0.1 );
// Draw a sweeping beam
scanAngle = GetAbsAngles();
scanAngle.y += (GROUNDTURRET_VIEWCONE / 2.0f) * sin( gpGlobals->curtime * 3.0f );
AngleVectors( scanAngle, &forward, NULL, NULL );
ProjectBeam( vecEye, forward, 1, 30, 0.3 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CItem_DynamicResupply::CheckPVSThink( void )
{
edict_t *pentPlayer = UTIL_FindClientInPVS( edict() );
if ( pentPlayer )
{
CBasePlayer *pPlayer = (CBasePlayer *)CBaseEntity::Instance( pentPlayer );
if ( pPlayer )
{
SpawnDynamicItem( pPlayer );
return;
}
}
SetNextThink( gpGlobals->curtime + DYNAMIC_ITEM_THINK );
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
bool CAI_PlayerAlly::IsOkToCombatSpeak( void )
{
// if not alive, certainly don't speak
if ( !IsAlive() )
return false;
// if someone else is talking, don't speak
if ( !GetExpresser()->SemaphoreIsAvailable() )
return false;
if ( m_spawnflags & SF_NPC_GAG )
return false;
// Don't speak if playing a script.
if ( m_NPCState == NPC_STATE_SCRIPT )
return false;
// if player is not in pvs, don't speak
if ( !UTIL_FindClientInPVS(edict()) )
return false;
return true;
}
void CFuncTank::TrackTarget( void )
{
trace_t tr;
bool updateTime = FALSE, lineOfSight;
QAngle angles;
Vector barrelEnd;
CBaseEntity *pTarget = NULL;
barrelEnd.Init();
// Get a position to aim for
if (m_pController)
{
// Tanks attempt to mirror the player's angles
angles = m_pController->EyeAngles();
SetNextThink( gpGlobals->curtime + 0.05 );
}
else
{
if ( IsActive() )
{
SetNextThink( gpGlobals->curtime + 0.1f );
}
else
{
return;
}
// -----------------------------------
// Get world target position
// -----------------------------------
barrelEnd = WorldBarrelPosition();
Vector worldTargetPosition;
if (m_spawnflags & SF_TANK_AIM_AT_POS)
{
worldTargetPosition = m_vTargetPosition;
}
else
{
CBaseEntity *pEntity = (CBaseEntity *)m_hTarget;
if ( !pEntity || ( pEntity->GetFlags() & FL_NOTARGET ) )
{
if ( m_targetEntityName != NULL_STRING ) // New HL2 behavior
{
m_hTarget = FindTarget( m_targetEntityName, NULL );
}
else // HL1 style
{
m_hTarget = ToBasePlayer( GetContainingEntity( UTIL_FindClientInPVS( edict() ) ) );
}
if ( m_hTarget != NULL )
{
SetNextThink( gpGlobals->curtime ); // Think again immediately
}
else
{
if ( IsActive() )
{
SetNextThink( gpGlobals->curtime + 2 ); // Wait 2 secs
}
if ( m_fireLast !=0 )
{
m_OnLoseTarget.FireOutput(this, this);
m_fireLast = 0;
}
}
return;
}
pTarget = pEntity;
// Calculate angle needed to aim at target
worldTargetPosition = pEntity->EyePosition();
}
float range = (worldTargetPosition - barrelEnd).Length();
if ( !InRange( range ) )
{
m_fireLast = 0;
return;
}
UTIL_TraceLine( barrelEnd, worldTargetPosition, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
if (m_spawnflags & SF_TANK_AIM_AT_POS)
{
updateTime = TRUE;
m_sightOrigin = m_vTargetPosition;
}
else
{
lineOfSight = FALSE;
// No line of sight, don't track
if ( tr.fraction == 1.0 || tr.m_pEnt == pTarget )
{
lineOfSight = TRUE;
CBaseEntity *pInstance = pTarget;
if ( InRange( range ) && pInstance && pInstance->IsAlive() )
{
updateTime = TRUE;
// Sight position is BodyTarget with no noise (so gun doesn't bob up and down)
m_sightOrigin = pInstance->BodyTarget( GetLocalOrigin(), false );
}
}
}
// Convert targetPosition to parent
angles = AimBarrelAt( m_parentMatrix.WorldToLocal( m_sightOrigin ) );
}
// Force the angles to be relative to the center position
float offsetY = UTIL_AngleDistance( angles.y, m_yawCenter );
float offsetX = UTIL_AngleDistance( angles.x, m_pitchCenter );
angles.y = m_yawCenter + offsetY;
angles.x = m_pitchCenter + offsetX;
// Limit against range in y
// MDB - don't check pitch! If two func_tanks are meant to align,
// and one can pitch and the other cannot, this can lead to them getting
// different values for angles.y. Nothing is lost by not updating yaw
// because the target is not in pitch range.
bool bOutsideYawRange = ( fabs( offsetY ) > m_yawRange + m_yawTolerance );
bool bOutsidePitchRange = ( fabs( offsetX ) > m_pitchRange + m_pitchTolerance );
Vector vecToTarget = m_sightOrigin - GetLocalOrigin();
// if target is outside yaw range
if ( bOutsideYawRange )
{
if ( angles.y > m_yawCenter + m_yawRange )
{
angles.y = m_yawCenter + m_yawRange;
}
else if ( angles.y < (m_yawCenter - m_yawRange) )
{
angles.y = (m_yawCenter - m_yawRange);
}
}
if ( bOutsidePitchRange || bOutsideYawRange || ( vecToTarget.Length() < ( barrelEnd - GetAbsOrigin() ).Length() ) )
{
// Don't update if you saw the player, but out of range
updateTime = false;
}
if ( updateTime )
{
m_lastSightTime = gpGlobals->curtime;
m_persist2burst = 0;
}
// Move toward target at rate or less
float distY = UTIL_AngleDistance( angles.y, GetLocalAngles().y );
QAngle vecAngVel = GetLocalAngularVelocity();
vecAngVel.y = distY * 10;
vecAngVel.y = clamp( vecAngVel.y, -m_yawRate, m_yawRate );
// Limit against range in x
angles.x = clamp( angles.x, m_pitchCenter - m_pitchRange, m_pitchCenter + m_pitchRange );
// Move toward target at rate or less
float distX = UTIL_AngleDistance( angles.x, GetLocalAngles().x );
vecAngVel.x = distX * 10;
vecAngVel.x = clamp( vecAngVel.x, -m_pitchRate, m_pitchRate );
SetLocalAngularVelocity( vecAngVel );
SetMoveDoneTime( 0.1 );
if ( m_pController )
return;
if ( CanFire() && ( (fabs(distX) < m_pitchTolerance && fabs(distY) < m_yawTolerance) || (m_spawnflags & SF_TANK_LINEOFSIGHT) ) )
{
bool fire = FALSE;
Vector forward;
AngleVectors( GetLocalAngles(), &forward );
forward = m_parentMatrix.ApplyRotation( forward );
if ( m_spawnflags & SF_TANK_LINEOFSIGHT )
{
float length = (m_maxRange > 0) ? m_maxRange : MAX_TRACE_LENGTH;
UTIL_TraceLine( barrelEnd, barrelEnd + forward * length, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
if ( tr.m_pEnt == pTarget )
fire = TRUE;
}
else
fire = TRUE;
if ( fire )
{
if (m_fireLast == 0)
{
m_OnAquireTarget.FireOutput(this, this);
}
FiringSequence( barrelEnd, forward, this );
}
else
{
if (m_fireLast !=0)
{
m_OnLoseTarget.FireOutput(this, this);
}
m_fireLast = 0;
}
}
else
{
if (m_fireLast !=0)
{
m_OnLoseTarget.FireOutput(this, this);
}
m_fireLast = 0;
}
}
void CEnvSound::Think( void )
{
// get pointer to client if visible; UTIL_FindClientInPVS will
// cycle through visible clients on consecutive calls.
CBaseEntity* pentPlayer = UTIL_FindClientInPVS( this );
CBasePlayer *pPlayer = NULL;
if( FNullEnt( pentPlayer ) )
goto env_sound_Think_slow; // no player in pvs of sound entity, slow it down
pPlayer = static_cast<CBasePlayer*>( pentPlayer );
float flRange;
// check to see if this is the sound entity that is
// currently affecting this player
if( !FNullEnt( pPlayer->m_SndLast ) && ( pPlayer->m_SndLast == this ) ) {
// this is the entity currently affecting player, check
// for validity
if( pPlayer->m_flSndRoomtype != 0 && pPlayer->m_flSndRange != 0 ) {
// we're looking at a valid sound entity affecting
// player, make sure it's still valid, update range
if( FEnvSoundInRange( this, pPlayer, &flRange ) ) {
pPlayer->m_flSndRange = flRange;
goto env_sound_Think_fast;
}
else {
// current sound entity affecting player is no longer valid,
// flag this state by clearing room_type and range.
// NOTE: we do not actually change the player's room_type
// NOTE: until we have a new valid room_type to change it to.
pPlayer->m_flSndRange = 0;
pPlayer->m_flSndRoomtype = 0;
goto env_sound_Think_slow;
}
}
else {
// entity is affecting player but is out of range,
// wait passively for another entity to usurp it...
goto env_sound_Think_slow;
}
}
// if we got this far, we're looking at an entity that is contending
// for current player sound. the closest entity to player wins.
if( FEnvSoundInRange( this, pPlayer, &flRange ) )
{
if( flRange < pPlayer->m_flSndRange || pPlayer->m_flSndRange == 0 )
{
// new entity is closer to player, so it wins.
pPlayer->m_SndLast = this;
pPlayer->m_flSndRoomtype = m_flRoomtype;
pPlayer->m_flSndRange = flRange;
// send room_type command to player's server.
// this should be a rare event - once per change of room_type
// only!
//CLIENT_COMMAND(pentPlayer, "room_type %f", m_flRoomtype);
MESSAGE_BEGIN( MSG_ONE, SVC_ROOMTYPE, NULL, pentPlayer ); // use the magic #1 for "one client"
WRITE_SHORT( ( short ) m_flRoomtype ); // sequence number
MESSAGE_END();
// crank up nextthink rate for new active sound entity
// by falling through to think_fast...
}
// player is not closer to the contending sound entity,
// just fall through to think_fast. this effectively
// cranks up the think_rate of entities near the player.
}
// player is in pvs of sound entity, but either not visible or
// not in range. do nothing, fall through to think_fast...
env_sound_Think_fast:
SetNextThink( gpGlobals->time + 0.25 );
return;
env_sound_Think_slow:
SetNextThink( gpGlobals->time + 0.75 );
return;
}
//-----------------------------------------------------------------------------
// Purpose: Whether or not we're in the PVS
//-----------------------------------------------------------------------------
inline bool CAntlionGrub::InPVS( void )
{
return ( UTIL_FindClientInPVS( edict() ) != NULL ) || (UTIL_ClientPVSIsExpanded() && UTIL_FindClientInVisibilityPVS( edict() ));
}
//---------------------------------------------------------
//---------------------------------------------------------
void CBounceBomb::SearchThink()
{
if( !UTIL_FindClientInPVS(edict()) )
{
// Sleep!
SetNextThink( gpGlobals->curtime + 0.5 );
return;
}
if( (CAI_BaseNPC::m_nDebugBits & bits_debugDisableAI) )
{
if( IsAwake() )
{
Wake(false);
}
SetNextThink( gpGlobals->curtime + 0.5 );
return;
}
SetNextThink( gpGlobals->curtime + 0.1 );
StudioFrameAdvance();
if( m_pConstraint && gpGlobals->curtime - m_flTimeGrabbed >= 1.0f )
{
m_OnPulledUp.FireOutput( this, this );
SetMineState( MINE_STATE_CAPTIVE );
return;
}
float flNearestNPCDist = FindNearestNPC();
if( flNearestNPCDist <= BOUNCEBOMB_WARN_RADIUS )
{
if( !IsAwake() )
{
Wake( true );
}
}
else
{
if( IsAwake() )
{
Wake( false );
}
return;
}
if( flNearestNPCDist <= BOUNCEBOMB_DETONATE_RADIUS && !IsFriend( m_hNearestNPC ) )
{
if( m_bBounce )
{
SetMineState( MINE_STATE_TRIGGERED );
}
else
{
// Don't pop up in the air, just explode if the NPC gets closer than explode radius.
SetThink( &CBounceBomb::ExplodeThink );
SetNextThink( gpGlobals->curtime + m_flExplosionDelay );
}
}
}
//---------------------------------------------------------
// Count of all the weapons in the world of my type and
// see if we have a surplus. If there is a surplus, try
// to find suitable candidates for removal.
//
// Right now we just remove the first weapons we find that
// are behind the player, or are out of the player's PVS.
// Later, we may want to score the results so that we
// removed the farthest gun that's not in the player's
// viewcone, etc.
//
// Some notes and thoughts:
//
// This code is designed NOT to remove weapons that are
// hand-placed by level designers. It should only clean
// up weapons dropped by dead NPCs, which is useful in
// situations where enemies are spawned in for a sustained
// period of time.
//
// Right now we PREFER to remove weapons that are not in the
// player's PVS, but this could be opposite of what we
// really want. We may only want to conduct the cleanup on
// weapons that are IN the player's PVS.
//---------------------------------------------------------
void CGameWeaponManager::Think()
{
int i;
// Don't have to think all that often.
SetNextThink( gpGlobals->curtime + 2.0 );
const char *pszWeaponName = STRING( m_iszWeaponName );
CUtlVector<CBaseEntity *> candidates( 0, 64 );
if ( m_bExpectingWeapon )
{
CBaseCombatWeapon *pWeapon = NULL;
// Firstly, count the total number of weapons of this type in the world.
// Also count how many of those can potentially be removed.
pWeapon = assert_cast<CBaseCombatWeapon *>(gEntList.FindEntityByClassname( pWeapon, pszWeaponName ));
while( pWeapon )
{
if( !pWeapon->IsEffectActive( EF_NODRAW ) && pWeapon->IsRemoveable() )
{
candidates.AddToTail( pWeapon );
}
pWeapon = assert_cast<CBaseCombatWeapon *>(gEntList.FindEntityByClassname( pWeapon, pszWeaponName ));
}
}
else
{
for ( i = 0; i < m_ManagedNonWeapons.Count(); i++)
{
CBaseEntity *pEntity = m_ManagedNonWeapons[i];
if ( pEntity )
{
Assert( pEntity->m_iClassname == m_iszWeaponName );
if ( !pEntity->IsEffectActive( EF_NODRAW ) )
{
candidates.AddToTail( pEntity );
}
}
else
{
m_ManagedNonWeapons.FastRemove( i-- );
}
}
}
// Calculate the surplus.
int surplus = candidates.Count() - m_iMaxPieces;
// Based on what the player can see, try to clean up the world by removing weapons that
// the player cannot see right at the moment.
CBaseEntity *pCandidate;
for ( i = 0; i < candidates.Count() && surplus > 0; i++ )
{
bool fRemovedOne = false;
pCandidate = candidates[i];
Assert( !pCandidate->IsEffectActive( EF_NODRAW ) );
// if ( gpGlobals->maxClients == 1 )
{
CBasePlayer *pPlayer = UTIL_GetNearestVisiblePlayer(pCandidate);
// Nodraw serves as a flag that this weapon is already being removed since
// all we're really doing inside this loop is marking them for removal by
// the entity system. We don't want to count the same weapon as removed
// more than once.
if( !UTIL_FindClientInPVS( pCandidate->edict() ) )
{
fRemovedOne = true;
}
else if( !pPlayer->FInViewCone( pCandidate ) )
{
fRemovedOne = true;
}
else if ( UTIL_DistApprox( pPlayer->GetAbsOrigin(), pCandidate->GetAbsOrigin() ) > (30*12) )
{
fRemovedOne = true;
}
}
// else
// {
// fRemovedOne = true;
// }
if( fRemovedOne )
{
pCandidate->AddEffects( EF_NODRAW );
UTIL_Remove( pCandidate );
DevMsg( 2, "Surplus %s removed\n", pszWeaponName);
surplus--;
}
}
}
void CLeech::SwimThink( void )
{
TraceResult tr;
float flLeftSide;
float flRightSide;
float targetSpeed;
float targetYaw = 0;
CBaseEntity *pTarget;
if ( !UTIL_FindClientInPVS( this ) )
{
pev->nextthink = gpGlobals->time + RANDOM_FLOAT(1,1.5);
pev->velocity = g_vecZero;
return;
}
else
pev->nextthink = gpGlobals->time + 0.1;
targetSpeed = LEECH_SWIM_SPEED;
if ( m_waterTime < gpGlobals->time )
RecalculateWaterlevel();
if ( m_stateTime < gpGlobals->time )
SwitchLeechState();
ClearConditions( bits_COND_CAN_MELEE_ATTACK1 );
switch( m_MonsterState )
{
case MONSTERSTATE_COMBAT:
pTarget = m_hEnemy;
if ( !pTarget )
SwitchLeechState();
else
{
// Chase the enemy's eyes
m_height = pTarget->GetAbsOrigin().z + pTarget->pev->view_ofs.z - 5;
// Clip to viable water area
if ( m_height < m_bottom )
m_height = m_bottom;
else if ( m_height > m_top )
m_height = m_top;
Vector location = pTarget->GetAbsOrigin() - GetAbsOrigin();
location.z += (pTarget->pev->view_ofs.z);
if ( location.Length() < 40 )
SetConditions( bits_COND_CAN_MELEE_ATTACK1 );
// Turn towards target ent
targetYaw = UTIL_VecToYaw( location );
targetYaw = UTIL_AngleDiff( targetYaw, UTIL_AngleMod( pev->angles.y ) );
if ( targetYaw < (-LEECH_TURN_RATE*0.75) )
targetYaw = (-LEECH_TURN_RATE*0.75);
else if ( targetYaw > (LEECH_TURN_RATE*0.75) )
targetYaw = (LEECH_TURN_RATE*0.75);
else
targetSpeed *= 2;
}
break;
default:
if ( m_zTime < gpGlobals->time )
{
float newHeight = RANDOM_FLOAT( m_bottom, m_top );
m_height = 0.5 * m_height + 0.5 * newHeight;
m_zTime = gpGlobals->time + RANDOM_FLOAT( 1, 4 );
}
if ( RANDOM_LONG( 0, 100 ) < 10 )
targetYaw = RANDOM_LONG( -30, 30 );
pTarget = NULL;
// oldorigin test
if ( (GetAbsOrigin() - GetOldOrigin() ).Length() < 1 )
{
// If leech didn't move, there must be something blocking it, so try to turn
m_sideTime = 0;
}
break;
}
m_obstacle = ObstacleDistance( pTarget );
SetOldOrigin( GetAbsOrigin() );
if ( m_obstacle < 0.1 )
m_obstacle = 0.1;
// is the way ahead clear?
if ( m_obstacle == 1.0 )
{
// if the leech is turning, stop the trend.
if ( m_flTurning != 0 )
{
m_flTurning = 0;
}
m_fPathBlocked = false;
pev->speed = UTIL_Approach( targetSpeed, pev->speed, LEECH_SWIM_ACCEL * LEECH_FRAMETIME );
pev->velocity = gpGlobals->v_forward * pev->speed;
}
else
{
m_obstacle = 1.0 / m_obstacle;
// IF we get this far in the function, the leader's path is blocked!
m_fPathBlocked = true;
if ( m_flTurning == 0 )// something in the way and leech is not already turning to avoid
{
Vector vecTest;
// measure clearance on left and right to pick the best dir to turn
vecTest = GetAbsOrigin() + (gpGlobals->v_right * LEECH_SIZEX) + (gpGlobals->v_forward * LEECH_CHECK_DIST);
UTIL_TraceLine(GetAbsOrigin(), vecTest, missile, edict(), &tr);
flRightSide = tr.flFraction;
vecTest = GetAbsOrigin() + (gpGlobals->v_right * -LEECH_SIZEX) + (gpGlobals->v_forward * LEECH_CHECK_DIST);
UTIL_TraceLine(GetAbsOrigin(), vecTest, missile, edict(), &tr);
flLeftSide = tr.flFraction;
// turn left, right or random depending on clearance ratio
float delta = (flRightSide - flLeftSide);
if ( delta > 0.1 || (delta > -0.1 && RANDOM_LONG(0,100)<50) )
m_flTurning = -LEECH_TURN_RATE;
else
m_flTurning = LEECH_TURN_RATE;
}
pev->speed = UTIL_Approach( -(LEECH_SWIM_SPEED*0.5), pev->speed, LEECH_SWIM_DECEL * LEECH_FRAMETIME * m_obstacle );
pev->velocity = gpGlobals->v_forward * pev->speed;
}
pev->ideal_yaw = m_flTurning + targetYaw;
UpdateMotion();
}
