public void ChildUpdatedItsState(Waterling pChild, WaterlingState pState)
{
if (Underlings.All(u => u.State == WaterlingState.WalkedIntoAWall))
{
State = WaterlingState.FillAndClimb;
}
}
public void Update()
{
if (map[CalculateMapPosition(Position)] == entitiesByEnum[EntityEnum.Sand].Id)
{
MarkAs(EntityEnum.WetSand, Position);
}
if (map[CalculateMapPosition(Position)] == entitiesByEnum[EntityEnum.Water].Id)
{
Done = true;
State = WaterlingState.Ghosted;
}
HandleState();
var underlingsCopy = Underlings.ToList();
foreach (var underling in underlingsCopy)
{
underling.Update();
}
if (Underlings.Any(u => u.IsInfinite))
{
IsInfinite = true;
}
if (State == WaterlingState.Idle && (Underlings.Count == 0 || Underlings.All(u => u.Done)))
{
Done = true;
}
}
public void SpawnUnderling(Point pAt, WaterlingState pJob)
{
var underling = new Waterling()
{
Position = pAt,
State = pJob,
Parent = this
};
Underlings.Add(underling);
waterlings.Add(underling);
}
void HandleState()
{
if (State == WaterlingState.Falling)
{
var floor = Position.Down();
if (IsVoid(floor))
{
State = WaterlingState.EnteredInfinity;
Parent.ChildUpdatedItsState(this, WaterlingState.EnteredInfinity);
IsInfinite = true;
Done = true;
return;
}
if (IsObstacle(floor))
{
State = WaterlingState.Idle;
bool spawnedUnderlings = false;
var left = Position.Left();
if (!IsObstacle(left) && !IsVoid(left))
{
SpawnUnderling(left, WaterlingState.RoamingLeft);
spawnedUnderlings = true;
}
var right = Position.Right();
if (!IsObstacle(right) && !IsVoid(right))
{
SpawnUnderling(right, WaterlingState.RoamingRight);
spawnedUnderlings = true;
}
if (!spawnedUnderlings)
{
State = WaterlingState.FillAndClimb;
}
}
else
{
Position = Position.Down();
}
}
else if (State == WaterlingState.RoamingLeft)
{
// do we have something to stand on?
var floor = Position.Down();
if (IsVoid(floor))
{
State = WaterlingState.EnteredInfinity;
Parent.ChildUpdatedItsState(this, WaterlingState.EnteredInfinity);
IsInfinite = true;
Done = true;
return;
}
else if (!IsObstacle(floor))
{
// no floor! we gonna fall!
State = WaterlingState.Falling;
Parent.ChildUpdatedItsState(this, WaterlingState.Falling);
return;
}
var left = Position.Left();
if (IsVoid(left))
{
State = WaterlingState.EnteredInfinity;
Parent.ChildUpdatedItsState(this, WaterlingState.EnteredInfinity);
IsInfinite = true;
Done = true;
return;
}
if (IsObstacle(left))
{
// report back to papa/mama that we hit an obstacle
State = WaterlingState.WalkedIntoAWall;
Parent.ChildUpdatedItsState(this, WaterlingState.WalkedIntoAWall);
Done = true;
return;
}
else
{
Position = Position.Left();
}
}
else if (State == WaterlingState.RoamingRight)
{
// do we have something to stand on?
var floor = Position.Down();
if (IsVoid(floor))
{
State = WaterlingState.EnteredInfinity;
Parent.ChildUpdatedItsState(this, WaterlingState.EnteredInfinity);
IsInfinite = true;
Done = true;
return;
}
else if (!IsObstacle(floor))
{
// no floor! we gonna fall!
State = WaterlingState.Falling;
Parent.ChildUpdatedItsState(this, WaterlingState.Falling);
return;
}
var right = Position.Right();
if (IsVoid(right))
{
State = WaterlingState.EnteredInfinity;
Parent.ChildUpdatedItsState(this, WaterlingState.EnteredInfinity);
IsInfinite = true;
Done = true;
return;
}
if (IsObstacle(right))
{
// report back to papa/mama that we hit an obstacle
State = WaterlingState.WalkedIntoAWall;
Parent.ChildUpdatedItsState(this, WaterlingState.WalkedIntoAWall);
Done = true;
return;
}
else
{
Position = Position.Right();
}
}
else if (State == WaterlingState.FillAndClimb)
{
int minX = int.MaxValue, maxX = int.MinValue;
foreach (var underling in Underlings)
{
if (underling.Position.X < minX)
{
minX = underling.Position.X;
}
if (underling.Position.X > maxX)
{
maxX = underling.Position.X;
}
}
if (Position.X < minX)
{
minX = Position.X;
}
if (Position.X > maxX)
{
maxX = Position.X;
}
for (int x = minX; x <= maxX; x++)
{
MarkAs(EntityEnum.Water, new Point(x, Position.Y));
}
foreach (var underling in Underlings)
{
underling.Done = true;
waterlings.Remove(underling);
}
SleepingUnderlings.AddRange(Underlings);
Underlings.Clear();
Position = Position.Up();
State = WaterlingState.Falling;
}
}
