// Get the total "value" sum for a list of affected units
private int GetValueFor(List <Unit> affectedUnits)
{
int value = 0;
foreach (var unit in affectedUnits)
{
value += ValueOf(AttachedSkill.PreviewEffectOnUnit(unit));
}
return(value);
}
public IEnumerator CommitActions()
{
IsBusy = true;
// First move the AI
if (FoundMovePos.HasValue)
{
AttachedEntity.StartMoveAnimation(FoundMovePos.Value);
yield return(new WaitWhile(() => AttachedEntity.IsMoving));
}
// Then attack the target
if (FoundTarget.HasValue)
{
AttachedSkill.ActivateSkill(AttachedUnit, FoundTarget.Value);
}
IsBusy = false;
}
// Returns a list of possible target points for the Unit, sorted by value (descending order) and distance (ascending order)
private List <AITarget> GetPossibleTargets()
{
List <AITarget> targets = new List <AITarget>();
switch (AttachedSkill.targetType)
{
// Only units can be targeted, thus check the value of targeting all valid Units
case Skill.TargetType.Unit:
{
List <Unit> allUnits = Grid.ActiveGrid.GetAllUnits();
foreach (var unit in allUnits)
{
// Filter out only valid targets
if (AttachedSkill.IsAffected(AttachedUnit, unit))
{
// Check all units that will be affected from targeting this unit
AITarget target;
target.coordinates = unit.GetCoordinates();
target.value = GetValueFor(AttachedSkill.GetAffectedUnits(AttachedUnit, target.coordinates, true));
target.distance = Vector2Int.Distance(AttachedUnit.GetCoordinates(), target.coordinates);
// If there is value to this target, add it to the list
if (target.value > 0)
{
targets.Add(target);
}
}
}
}
break;
// Any tile can be targeted, thus check the values of all tiles
case Skill.TargetType.Tile:
{
for (int x = 0; x < Grid.ActiveGrid.gridSize.x; x++)
{
for (int y = 0; y < Grid.ActiveGrid.gridSize.y; y++)
{
// Check all units that will be affected from targeting this tile
AITarget target;
target.coordinates = new Vector2Int(x, y);
target.value = GetValueFor(AttachedSkill.GetAffectedUnits(AttachedUnit, target.coordinates, true));
target.distance = Vector2Int.Distance(AttachedUnit.GetCoordinates(), target.coordinates);
// If there is value to this target, add it to the list
if (target.value > 0)
{
targets.Add(target);
}
}
}
}
break;
}
targets.Sort((x, y) =>
{
int i = y.value.CompareTo(x.value);
if (i == 0)
{
return(x.distance.CompareTo(y.distance));
}
return(i);
});
return(targets);
}
