private Vector3 whereToMove(Unit squaddie, IHittable target, HashSet <IHittable> enemiesList, Unit.ClassType type)
{
switch (type)
{
case Unit.ClassType.Artillary:
float smallestDistance = float.PositiveInfinity;
IHittable closestThreat = null;
//first, check if there are enemies closer than ArtillaryDesesperoRadius
foreach (var enemy in enemiesList)
{
float currentDistance = Vector3.Distance(enemy.position, squaddie.position);
if (currentDistance < smallestDistance)
{
smallestDistance = currentDistance;
closestThreat = enemy;
}
}
if (smallestDistance < ArtillaryDeseperoRadius) // if there are enemies whoa re too close
{
Vector3 result = (closestThreat.position - squaddie.position);
result.Normalize();
//maybe we should multiply result for something here, if it is too small.
return(result);
}
else
{
if (smallestDistance < ArtillaryDeseperoRadius + ArtillaryStillThreshold)
{
//this is to prevent archers from dancing in position.
return(squaddie.position);
}
else
{
return(target.position);
}
}
break;
case Unit.ClassType.Infantry:
case Unit.ClassType.Cavalry:
return(target.position);
default:
return(squaddie.position);
break;
}
}
private IHittable defineEnemy(Unit.ClassType squaddieType, HashSet <IHittable> enemiesList, Dictionary <IHittable, MeeleOrRanged> numberOfSiblingsOnEnemy, Unit squaddie)
{
IHittable currentTarget = null;
//First, let's try to ignore the buildings
HashSet <IHittable> buildingsList = new HashSet <IHittable>();
if (squaddieType != Unit.ClassType.Siege) // the following is for "human" troops only
{
foreach (var enemy in enemiesList)
{
if (enemy.getType() == RTS.HitType.Building)
{
buildingsList.Add(enemy);
}
}
if (buildingsList.Count() == enemiesList.Count()) //if all enemies are buildings
{
enemiesList = buildingsList;
}
else
{
foreach (var building in buildingsList)
{
enemiesList.Remove(building); //focus on troops first
}
}
}
switch (squaddieType)
{
case Unit.ClassType.Infantry:
float smallestDistance = float.PositiveInfinity;
foreach (var enemy in enemiesList)
{
if (numberOfSiblingsOnEnemy[enemy].Meele < numberOfMeeleUnitsOnOneEnemy) //só atacar se tiver poucos "irmãos" atacando
{
float currentDistance = Vector3.Distance(enemy.position, squaddie.position);
if (currentDistance < smallestDistance)
{
smallestDistance = currentDistance;
currentTarget = enemy;
}
}
}
break;
case Unit.ClassType.Artillary:
float smallestHp = float.PositiveInfinity;
foreach (var enemy in enemiesList)
{
if (numberOfSiblingsOnEnemy[enemy].Meele + numberOfSiblingsOnEnemy[enemy].Ranged < numberOfTotalUnitsOnOneEnemy) //não queremos arqueiros disperdiçando tiros e dando one-shot. 6 é um tanto arbitrário
{
if (enemy.getHp() < smallestHp)
{
smallestDistance = enemy.getHp();
currentTarget = enemy;
}
}
}
break;
case Unit.ClassType.Cavalry:
HashSet <IHittable> oldEnemiesList = enemiesList;
HashSet <IHittable> archersList = new HashSet <IHittable>();
foreach (var enemy in enemiesList)
{
if (enemy.getType() == RTS.HitType.ArtillaryUnit)
{
archersList.Add(enemy);
}
}
if (archersList.Count() > 0) //if there are archers
{
enemiesList = archersList;
}
float largestDistance = float.NegativeInfinity;
foreach (var enemy in enemiesList)
{
if (numberOfSiblingsOnEnemy[enemy].Meele < numberOfMeeleUnitsOnOneEnemy) //só atacar se tiver poucos "irmãos" atacando
{
float currentDistance = Vector3.Distance(enemy.position, squaddie.position);
if (currentDistance > largestDistance)
{
largestDistance = currentDistance;
currentTarget = enemy;
}
}
}
if (currentTarget == null) //then none of the archers are avaiable (maybe because there are too many meele units around them
{
enemiesList = oldEnemiesList;
foreach (var archer in archersList)
{
enemiesList.Remove(archer);
}
foreach (var enemy in enemiesList)
{
if (numberOfSiblingsOnEnemy[enemy].Meele < numberOfMeeleUnitsOnOneEnemy) //só atacar se tiver poucos "irmãos" atacando
{
float currentDistance = Vector3.Distance(enemy.position, squaddie.position);
if (currentDistance > largestDistance)
{
largestDistance = currentDistance;
currentTarget = enemy;
}
}
}
}
break;
default:
currentTarget = null;
break;
}
return(currentTarget);
}
private bool AttackOrMove(Unit squaddie, IHittable target, HashSet <IHittable> enemiesList, Unit.ClassType type)
{
//true means attack, false means move
switch (type)
{
case Unit.ClassType.Artillary:
float smallestDistance = float.PositiveInfinity;
//first, check if there are enemies closer than ArtillaryDesesperoRadius
foreach (var enemy in enemiesList)
{
float currentDistance = Vector3.Distance(enemy.position, squaddie.position);
if (currentDistance < smallestDistance)
{
smallestDistance = currentDistance;
}
}
if (smallestDistance > ArtillaryDeseperoRadius) //then we are relatively safe, let's find the most weakened enemy
{
return(true);
}
else
{
return(false);
}
break;
case Unit.ClassType.Infantry:
case Unit.ClassType.Cavalry:
float targetDistance = Vector3.Distance(target.position, squaddie.position);
if (targetDistance < squaddie.Range)
{
return(true);
}
else
{
return(false);
}
default:
return(false);
break;
}
}