void InsertEvent(MemoryEvent ev, AiFraction.EAttitude attitude)
{
switch (attitude)
{
case AiFraction.EAttitude.EEnemy:
if (trackEnemy)
{
enemyStorage.PerceiveEvent(ev);
}
break;
case AiFraction.EAttitude.EFriendly:
if (trackAlly)
{
allyStorage.PerceiveEvent(ev);
}
break;
case AiFraction.EAttitude.ENeutral:
if (trackNeutrals)
{
neutralStorage.PerceiveEvent(ev);
}
break;
}
}
void PerformSearch()
{
AiFraction myFraction = myUnit.fraction;
if (!myFraction)
{
#if UNITY_EDITOR
Debug.LogWarning("No fraction in perceive unit but trying to use sight");
#endif
// there's no way to determine where to put events
return;
}
// perform cast
int n = Physics2D.OverlapCircleNonAlloc(transform.position, searchDistance, StaticCacheLists.colliderCache, memorableMask);
// preselect targets
// they have to be in proper angle and contain PerceiveUnit
for (int i = 0; i < n; ++i)
{
var it = StaticCacheLists.colliderCache[i];
Transform itTransform = it.transform;
//// check if the target is in proper angle
Vector2 toIt = itTransform.position - transform.position;
float cosAngle = Vector2.Dot(toIt.normalized, transform.up);
float angle = Mathf.Acos(cosAngle) * 180 / Mathf.PI;
//Debug.Log(angle);
bool bProperAngle = angle < coneAngle * 0.5f;
if (!bProperAngle)
{
continue;
}
// ok, now check if it has AiPerceiveUnit
// we need it's fraction to determine our attitude
AiPerceiveUnit perceiveUnit = it.GetComponent <AiPerceiveUnit>();
if (perceiveUnit == myUnit)
{
// oh, come on do not look at yourself... don't be soo narcissistic
continue;
}
if (!perceiveUnit)
{
// no perceive unit, this target is invisible to us
continue;
}
AiFraction itFraction = perceiveUnit.fraction;
if (!itFraction)
{
// the same as above,
return;
}
//// determine attitude
AiFraction.EAttitude attitude = myFraction.GetAttitude(itFraction);
//// Check if obstacles blocks vision
if (DoObstaclesBlockVision(itTransform.position))
{
continue;
}
//// create event
MemoryEvent ev = new MemoryEvent();
ev.exactPosition = itTransform.position;
ev.forward = itTransform.up;
// if collider has rigidbody then take its velocity
// otherwise there is no simple way to determine event velocity
ev.velocity = it.attachedRigidbody ? it.attachedRigidbody.velocity * velocityPredictionScale : Vector2.zero;
// set up agent reponsible for this event
ev.perceiveUnit = perceiveUnit;
// ensure event will tick from now on
ev.lifetimeTimer.Restart();
Debug.DrawRay(ev.exactPosition, Vector3.up, Color.blue, searchTime * nEvents);
Debug.DrawRay(ev.exactPosition, ev.velocity * searchTime, Color.gray, searchTime);
InsertEvent(ev, attitude);
}
}
