/// Is this tile active in direction "direction"?
private bool IsRedActive(Vector2u v, Tile.TDirection direction)
{
(uint x, uint y) = (v.X, v.Y);
switch (Tiles[x, y].Kind)
{
case Tile.TKind.RedstoneBlock:
return(true);
case Tile.TKind.RedstoneWire:
case Tile.TKind.RedstoneBridge:
return(isRedReachable(v, direction));
case Tile.TKind.NotGate:
case Tile.TKind.OrGate:
case Tile.TKind.AndGate:
case Tile.TKind.XorGate:
return((Tile.TDirectionAdd(Tiles[x, y].Direction, Tile.TDirection.North) == direction) && Tiles[x, y].Activity);
case Tile.TKind.Repeater:
return((Tile.TDirectionAdd(Tiles[x, y].Direction, Tile.TDirection.North) == direction) && Tiles[x, y].Variant == 4);
case Tile.TKind.Lever:
return(Tiles[x, y].Activity);
default:
return(false);
}
}
/// Does this tile connect in direction "direction"?
public static bool IsRedConnected(Tile tile, Tile.TDirection direction)
{
switch (tile.Kind)
{
case Tile.TKind.RedstoneBlock:
case Tile.TKind.RedstoneWire:
case Tile.TKind.RedstoneBridge:
case Tile.TKind.Lever:
return(true);
case Tile.TKind.NotGate:
case Tile.TKind.Repeater:
return((Tile.TDirectionAdd(tile.Direction, Tile.TDirection.North) == direction) ||
(Tile.TDirectionAdd(tile.Direction, Tile.TDirection.South) == direction));
case Tile.TKind.OrGate:
case Tile.TKind.AndGate:
case Tile.TKind.XorGate:
return((Tile.TDirectionAdd(tile.Direction, Tile.TDirection.North) == direction) ||
(Tile.TDirectionAdd(tile.Direction, Tile.TDirection.East) == direction) ||
(Tile.TDirectionAdd(tile.Direction, Tile.TDirection.West) == direction));
default:
return(false);
}
}
private bool isRedReachable(Vector2u v, Tile.TDirection direction)
{
(uint x, uint y) = (v.X, v.Y);
if (Prealloc_RedCheckedNodes[x, y])
{
return(false);
}
if (Tiles[x, y].Kind == Tile.TKind.RedstoneWire)
{
Prealloc_RedCheckedNodes[x, y] = true;
}
switch (Tiles[x, y].Kind)
{
case Tile.TKind.RedstoneWire:
return(isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.North), Tile.TDirection.South) ||
isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.West), Tile.TDirection.East) ||
isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.South), Tile.TDirection.North) ||
isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.East), Tile.TDirection.West));
case Tile.TKind.RedstoneBridge:
switch (direction)
{
case Tile.TDirection.North:
return(isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.South), Tile.TDirection.North));
case Tile.TDirection.South:
return(isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.North), Tile.TDirection.South));
case Tile.TDirection.East:
return(isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.West), Tile.TDirection.East));
case Tile.TDirection.West:
return(isRedReachable(Tile.PickTileInDirection(v, Tile.TDirection.East), Tile.TDirection.West));
default:
throw new System.ArgumentException("Direction was NA", "direction");
}
default:
return(IsRedActive(v, direction));
}
}
