//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CBaseCombatCharacter::IsAbleToSee( const CBaseEntity *pEntity, FieldOfViewCheckType checkFOV )
{
CBaseCombatCharacter *pBCC = const_cast<CBaseEntity *>( pEntity )->MyCombatCharacterPointer();
if ( pBCC )
return IsAbleToSee( pBCC, checkFOV );
// Test this every time; it's cheap.
Vector vecEyePosition = EyePosition();
Vector vecTargetPosition = pEntity->WorldSpaceCenter();
#ifdef GAME_DLL
Vector vecEyeToTarget;
VectorSubtract( vecTargetPosition, vecEyePosition, vecEyeToTarget );
float flDistToOther = VectorNormalize( vecEyeToTarget );
// We can't see because they are too far in the fog
if ( IsHiddenByFog( flDistToOther ) )
return false;
#endif
if ( !ComputeLOS( vecEyePosition, vecTargetPosition ) )
return false;
return ( checkFOV != USE_FOV || IsInFieldOfView( vecTargetPosition ) );
}
bool CBaseCombatCharacter::IsAbleToSee( const CBaseEntity *pEntity, FieldOfViewCheckType checkFOV )
{
CBaseCombatCharacter *pBCC = const_cast<CBaseEntity *>( pEntity )->MyCombatCharacterPointer();
if ( pBCC )
return IsAbleToSee( pBCC, checkFOV );
// Test this every time; it's cheap.
Vector vecEyePosition = EyePosition();
Vector vecTargetPosition = pEntity->WorldSpaceCenter();
#ifdef GAME_DLL
Vector vecEyeToTarget;
VectorSubtract( vecTargetPosition, vecEyePosition, vecEyeToTarget );
float flDistToOther = VectorNormalize( vecEyeToTarget );
// We can't see because they are too far in the fog
if ( IsHiddenByFog( flDistToOther ) )
return false;
#endif
if ( !ComputeLOS( vecEyePosition, vecTargetPosition ) )
return false;
#if defined(GAME_DLL) && defined(TERROR)
if ( flDistToOther > NavObscureRange.GetFloat() )
{
const float flMaxDistance = 100.0f;
TerrorNavArea *pTargetArea = static_cast< TerrorNavArea* >( TheNavMesh->GetNearestNavArea( vecTargetPosition, false, flMaxDistance ) );
if ( !pTargetArea || pTargetArea->HasSpawnAttributes( TerrorNavArea::SPAWN_OBSCURED ) )
return false;
if ( ComputeTargetIsInDarkness( vecEyePosition, pTargetArea, vecTargetPosition ) )
return false;
}
#endif
return ( checkFOV != USE_FOV || IsInFieldOfView( vecTargetPosition ) );
}
