qboolean SensoryPerception::_SenseEntity( Entity *ent )
{
// Don't want to target the enemy if he's not a valid target
if (!ent)
return false;
if ( !EntityIsValidTarget(ent) )
return false;
// Don't wake ourselves up
if ( ent->entnum == act->entnum )
return false;
if ( ent->isSubclassOf ( Actor ) )
{
if ( !ent->isThinkOn() )
return false;
}
if ( gi.inPVS( ent->centroid, act->centroid ) )
{
auto enemyToSelf = act->origin - ent->origin;
auto visionDistance = GetVisionDistance();
if ( enemyToSelf.length() < visionDistance )
{
if ( CanSeeEntity( act, ent, true, true ) )
Stimuli( StimuliSight , ent );
}
}
return false;
}
bool CAI_Senses::Look( CBaseEntity *pSightEnt )
{
if ( WaitingUntilSeen( pSightEnt ) )
return false;
if ( ShouldSeeEntity( pSightEnt ) && CanSeeEntity( pSightEnt ) )
{
return SeeEntity( pSightEnt );
}
return false;
}
//
// Name: _CanSeeComplex
// Parameters: Vector &start - start position
// Vector &end - end position
// qboolean useFOV - take FOV into consideration or not
// qboolean useVisionDistance
// Description: Creates a plane to do a more complex check of vision
//
qboolean SensoryPerception::_CanSeeComplex( Vector &start, Entity *target , qboolean useFOV, qboolean useVisionDistance )
{
if ( !target )
return false;
auto d = target->centroid - start;
d.z = 0;
d.normalize();
Vector p1;
Vector p2;
p1.x = -d.y;
p1.y = d.x;
p1 *= max( act->size.x, act->size.y ) * 1.44f * 0.5f;
p2 = p1;
p1.z = act->mins.z;
p2.z = act->maxs.z;
if ( CanSeeEntity( start + p1, target , useFOV , useVisionDistance ) )
{
return true;
}
if ( CanSeeEntity( start + p2, target , useFOV , useVisionDistance ) )
{
return true;
}
p1.z = -p1.z;
p2.z = -p2.z;
if ( CanSeeEntity( start - p1, target , useFOV , useVisionDistance ) )
{
return true;
}
if ( CanSeeEntity( start - p2, target , useFOV , useVisionDistance ) )
{
return true;
}
return false;
}
bool CAI_Senses::Look( CBaseEntity *pSightEnt )
{
CNPC_BaseZombie *pZombie = dynamic_cast<CNPC_BaseZombie*>( GetOuter() );
if ( pZombie && pSightEnt->IsPlayer() )
{
return SeeEntity( pSightEnt );
}
else
{
if ( WaitingUntilSeen( pSightEnt ) )
return false;
if ( ShouldSeeEntity( pSightEnt ) && CanSeeEntity( pSightEnt ) )
{
return SeeEntity( pSightEnt );
}
return false;
}
}
