private IEnumerable <IGameAction> GetPossibleMoveActions()
{
for (var index = 0; index < MyUnits.Count; index++)
{
var unit = MyUnits[index];
if (unit.X < 0)
{
continue;
}
foreach (var moveDir in Directions.All8)
{
var dest = unit + moveDir;
if (CanMove(unit, dest))
{
foreach (var buildDir in Directions.All8)
{
var build = dest + buildDir;
if (build.InArea(Size) &&
HeightAt(build) < 4 &&
!AllUnits.Any(u => u != unit && u.Equals(build)))
{
var action = new MoveAndBuildAction(index, moveDir, buildDir);
EnsureMoveValid(action);
yield return(action);
}
}
}
}
}
}
protected bool Equals(MoveAndBuildAction other)
{
return(BuildDirection == other.BuildDirection && MoveDirection == other.MoveDirection && UnitIndex == other.UnitIndex);
}