// ignoreNonPreferrential
// In a sphere with the radius of range, find all enemy units and pick one to target
List <ITargetable> ScanForTargets(bool ignoreNonPreferred)
{
Collider[] cols = Physics.OverlapSphere(transform.position, range, gameRules.targetLayerMask);
List <ITargetable> targs = new List <ITargetable>();
for (int i = 0; i < cols.Length; i++)
{
ITargetable targ = GetITargetableFromCol(cols[i]);
if (IsNull(targ)) // No targetable found
{
continue;
}
if (targs.Contains(targ)) // Ignore multiple colliders for one targetable
{
continue;
}
if (targ.GetTeam() == parentUnit.GetTeam()) // Can't target allies
{
continue;
}
if (!targ.GetVisibleTo(parentUnit.GetTeam())) // Must be visible to this team
{
continue;
}
// Can ignore non-preferred targets altogether (used when searching for a better target)
if (ignoreNonPreferred && targ.GetTargetType() != preferredTargetType)
{
continue;
}
// The list of colliders is created by intersection with a range-radius sphere, but the center of this unit can still actually be out of range, leading to a target which cannot be shot at
if (!IsValid(targ))
{
continue;
}
targs.Add(targ);
}
// Sort by distance and target type
targs.Sort(delegate(ITargetable a, ITargetable b)
{
return(ComparisonWeight(a)
.CompareTo(
ComparisonWeight(b)));
});
return(targs);
}
void UpdateTargeting()
{
if (!suspended)
{
// Have target and it's valid
if (!IsNull(target) && IsValid(target))
{
// If we are targeting a non-preferred target type, we want to constantly search for a better target
if (!hasManualTarget && target.GetTargetType() != preferredTargetType)
{
// Collect a list of all valid targets, ignoring non-preferred targets
List <ITargetable> autoTargets = ScanForTargets(true);
// Pick best one (if any were found)
if (autoTargets.Count > 0)
{
// This new target will ALWAYS be different from the previous target because it was filtered differently
target = autoTargets[0];
// Update resetRotFrame
UpdateTarget(false);
}
}
// Rotate towards the target
CalcTargetLookRotation();
Rotate();
// Shoot if possible
if (parentUnit.isServer) // Only server actually shoots, it's faked on clients
{
AttemptStartShooting();
}
}
else // We haven't assigned one yet, it died, or it's become invalid
{
// Collect a list of all valid targets
List <ITargetable> autoTargets = ScanForTargets(ignoreNonPreferrential);
// Pick best one
target = autoTargets.Count > 0 ? autoTargets[0] : null;
// Found a valid target
if (!IsNull(target))
{
Debug.Log("my parent team is " + parentUnit.GetTeam() + " targets team is " + target.GetTeam());
// Update resetRotFrame
UpdateTarget(false);
// Rotate towards the target
CalcTargetLookRotation();
Rotate();
// Shoot if possible
if (parentUnit.isServer) // Only server actually shoots, it's faked on clients
{
AttemptStartShooting();
}
}
else // Failed to find a valid target
{
// Rotate to standby position
direction = transform.forward;
lookRotation = CalcLookRotation(direction);
Rotate();
}
} // if have target and it's valid
} // if not suspended
else
{
direction = transform.forward;
lookRotation = CalcLookRotation(direction);
Rotate();
}
}
