// Trace path of tiles (GameTile or VTile) in one of six possible directions (Because hexagons)
//
public static IEnumerable GetPathInDirection(ITileTraverse startTile, TileTraverse GetTileInDirection)
{
ITileTraverse t = startTile;
for (;;)
{
t = GetTileInDirection(t); // Traverse to next tile in designated direction
if (t == null)
{
yield break; // End of path reached -- Terminate traversal
}
//
else
{
if (t.IsPenguinHere || t.IsEmpty)
{
yield break; // Stop if there's a penguin in the way, or no physical tile present
}
//
else
{
yield return(t); // Else return the tile just traversed to
}
}
}
}
// Trace path in all directions
//
public IEnumerable AllPaths(TileManager tm)
{
ITileTraverse t0 = this;
foreach (TileManager.TileTraverse ThataWay in tm.funcsTraverse)
{
foreach (ITileTraverse t in TileManager.GetPathInDirection(t0, ThataWay))
{
yield return(t);
}
}
}
// ITileTraverse to the "northeast"
//
public ITileTraverse GetTile_NE(ITileTraverse t)
{
string sTileID = GetNameTile_NE(t.col, t.row);
return(ValidateTile(sTileID));
}