//-----------------------------------------------------------------------------
// Purpose: Returns true if the entity passes our filter, false if not.
// Input : pEntity - Entity to test.
//-----------------------------------------------------------------------------
bool CFilterMultiple::PassesFilterImpl( CBaseEntity *pCaller, CBaseEntity *pEntity )
{
// Test against each filter
if (m_nFilterType == FILTER_AND)
{
for (int i=0;i<MAX_FILTERS;i++)
{
if (m_hFilter[i] != NULL)
{
CBaseFilter* pFilter = (CBaseFilter *)(m_hFilter[i].Get());
if (!pFilter->PassesFilter( pCaller, pEntity ) )
{
return false;
}
}
}
return true;
}
else // m_nFilterType == FILTER_OR
{
for (int i=0;i<MAX_FILTERS;i++)
{
if (m_hFilter[i] != NULL)
{
CBaseFilter* pFilter = (CBaseFilter *)(m_hFilter[i].Get());
if (pFilter->PassesFilter( pCaller, pEntity ) )
{
return true;
}
}
}
return false;
}
}
void CPointEntityFinder::FindByRandom( void )
{
// TODO: optimize the case where there is no filter
m_hEntity = NULL;
CBaseFilter *pFilter = m_hFilter.Get();
CUtlVector<CBaseEntity *> ValidEnts;
CBaseEntity *pEntity = gEntList.FirstEnt();
do // note all valid entities.
{
if ( pFilter && pFilter->PassesFilter( this, pEntity ) )
{
ValidEnts.AddToTail( pEntity );
}
pEntity = gEntList.NextEnt( pEntity );
} while ( pEntity );
// pick one at random
if ( ValidEnts.Count() != 0 )
{
m_hEntity = ValidEnts[ RandomInt( 0, ValidEnts.Count() - 1 )];
}
}
bool CFuncVPhysicsClip::EntityPassesFilter( CBaseEntity *pOther )
{
CBaseFilter* pFilter = (CBaseFilter*)(m_hFilter.Get());
if ( pFilter )
return pFilter->PassesFilter( this, pOther );
if ( pOther->GetMoveType() == MOVETYPE_VPHYSICS && pOther->VPhysicsGetObject()->IsMoveable() )
return true;
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Checks whether this microphone can hear a given sound, and at what
// relative volume level.
// Input : pSound - Sound to test.
// flVolume - Returns with the relative sound volume from 0 - 1.
// Output : Returns true if the sound could be heard at the sample point, false if not.
//-----------------------------------------------------------------------------
bool CEnvMicrophone::CanHearSound(CSound *pSound, float &flVolume)
{
flVolume = 0;
if ( m_bDisabled )
{
return false;
}
// Cull out sounds except from specific entities
CBaseFilter *pFilter = m_hListenFilter.Get();
if ( pFilter )
{
CBaseEntity *pSoundOwner = pSound->m_hOwner.Get();
if ( !pSoundOwner || !pFilter->PassesFilter( this, pSoundOwner ) )
{
return false;
}
}
float flDistance = (pSound->GetSoundOrigin() - m_hMeasureTarget->GetAbsOrigin()).Length();
if (flDistance == 0)
{
flVolume = 1.0;
return true;
}
// Over our max range?
if ( m_flMaxRange && flDistance > m_flMaxRange )
{
return false;
}
if (flDistance <= pSound->Volume() * m_flSensitivity)
{
flVolume = 1 - (flDistance / (pSound->Volume() * m_flSensitivity));
flVolume = clamp(flVolume, 0, 1);
return true;
}
return false;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CEnvBeam::PassesTouchFilters(CBaseEntity *pOther)
{
bool fPassedSoFar = false;
// Touched some player or NPC!
if( m_TouchType != touch_npc_only )
{
if( pOther->IsPlayer() )
{
fPassedSoFar = true;
}
}
if( m_TouchType != touch_player_only )
{
if( pOther->IsNPC() )
{
fPassedSoFar = true;
}
}
if( m_TouchType == touch_player_or_npc_or_physicsprop )
{
if( pOther->m_iClassname == g_iszPhysicsPropClassname )
{
fPassedSoFar = true;
}
}
if( fPassedSoFar )
{
CBaseFilter* pFilter = (CBaseFilter*)(m_hFilter.Get());
return (!pFilter) ? true : pFilter->PassesFilter( this, pOther );
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Return true if the microphone can hear the specified sound
//-----------------------------------------------------------------------------
bool CEnvMicrophone::CanHearSound( int entindex, soundlevel_t soundlevel, float &flVolume, const Vector *pOrigin )
{
if ( m_bDisabled )
{
flVolume = 0;
return false;
}
if ( ( m_spawnflags & SF_MICROPHONE_IGNORE_NONATTENUATED ) && soundlevel == SNDLVL_NONE )
{
return false;
}
// Sound might be coming from an origin or from an entity.
CBaseEntity *pEntity = NULL;
if ( entindex )
{
pEntity = CBaseEntity::Instance( engine->PEntityOfEntIndex(entindex) );
}
// Cull out sounds except from specific entities
CBaseFilter *pFilter = m_hListenFilter.Get();
if ( pFilter )
{
if ( !pEntity || !pFilter->PassesFilter( this, pEntity ) )
{
flVolume = 0;
return false;
}
}
float flDistance = 0;
if ( pOrigin )
{
flDistance = pOrigin->DistTo( m_hMeasureTarget->GetAbsOrigin() );
}
else if ( pEntity )
{
flDistance = pEntity->WorldSpaceCenter().DistTo( m_hMeasureTarget->GetAbsOrigin() );
}
// Over our max range?
if ( m_flMaxRange && flDistance > m_flMaxRange )
{
#ifdef DEBUG_MICROPHONE
Msg("OUT OF RANGE.\n" );
#endif
return false;
}
#ifdef DEBUG_MICROPHONE
Msg(" flVolume %f ", flVolume );
#endif
// Reduce the volume by the amount it fell to get to the microphone
float gain = enginesound->GetDistGainFromSoundLevel( soundlevel, flDistance );
flVolume *= gain;
#ifdef DEBUG_MICROPHONE
Msg("dist %2f, soundlevel %d: gain %f", flDistance, (int)soundlevel, gain );
if ( !flVolume )
{
Msg(" : REJECTED\n" );
}
else
{
Msg(" : SENT\n" );
}
#endif
return ( flVolume > 0 );
}
bool CBaseDoor::PassesBlockTouchFilter(CBaseEntity *pOther)
{
CBaseFilter* pFilter = (CBaseFilter*)(m_hBlockFilter.Get());
return ( pFilter && pFilter->PassesFilter( this, pOther ) );
}
void CPointEntityFinder::FindByDistance( void )
{
m_hEntity = NULL;
CBaseFilter *pFilter = m_hFilter.Get();
// go through each entity and determine whether it's closer or farther from the current entity. Pick according to Method selected.
float flBestDist = 0;
CBaseEntity *pEntity = gEntList.FirstEnt();
while ( pEntity )
{
if ( FStrEq( STRING( pEntity->m_iClassname ), "worldspawn" )
|| FStrEq( STRING( pEntity->m_iClassname ), "soundent" )
|| FStrEq( STRING( pEntity->m_iClassname ), "player_manager" )
|| FStrEq( STRING( pEntity->m_iClassname ), "bodyque" )
|| FStrEq( STRING( pEntity->m_iClassname ), "ai_network" )
|| pEntity == this
|| ( pFilter && !( pFilter->PassesFilter( this, pEntity ) ) ) )
{
pEntity = gEntList.NextEnt( pEntity );
continue;
}
// if we have a reference entity, use that, otherwise, check against 'this'
Vector vecStart;
if ( m_hReference )
{
vecStart = m_hReference->GetAbsOrigin();
}
else
{
vecStart = GetAbsOrigin();
}
// init m_hEntity with a valid entity.
if (m_hEntity == NULL )
{
m_hEntity = pEntity;
flBestDist = ( pEntity->GetAbsOrigin() - vecStart ).LengthSqr();
}
float flNewDist = ( pEntity->GetAbsOrigin() - vecStart ).LengthSqr();
switch ( m_FindMethod )
{
case ( ENT_FIND_METHOD_NEAREST ):
if ( flNewDist < flBestDist )
{
m_hEntity = pEntity;
flBestDist = flNewDist;
}
break;
case ( ENT_FIND_METHOD_FARTHEST ):
if ( flNewDist > flBestDist )
{
m_hEntity = pEntity;
flBestDist = flNewDist;
}
break;
default:
Assert( false );
break;
}
pEntity = gEntList.NextEnt( pEntity );
}
}