public static GameState Start()
{
PoweredTile[,] board = new PoweredTile[2, 2];
SpawnTile(board);
SpawnTile(board);
return(GetGameState(board));
}
private static PoweredTile[,] GetBoard(GameState state)
{
PoweredTile[,] board = new PoweredTile[state.GetSize(), state.GetSize()];
foreach (GameTile tile in state)
{
GameTileState tileState = state.GetTileState(tile);
board[tileState.GetRow(), tileState.GetColumn()] = new PoweredTile(tile, tileState.GetPower());
}
return(board);
}
private static PoweredTile[,] Promote(PoweredTile[,] board)
{
PoweredTile[,] promoted = new PoweredTile[board.GetLength(0) + 1, board.GetLength(0) + 1];
for (int i = 0; i < board.GetLength(0); i++)
{
for (int j = 0; j < board.GetLength(0); j++)
{
promoted[i, j] = board[i, j];
}
}
return(promoted);
}
private static PoweredTile[,] RotateClockwise(PoweredTile[,] board)
{
PoweredTile[,] rotated = new PoweredTile[board.GetLength(0), board.GetLength(0)];
for (int i = 0; i < board.GetLength(0); i++)
{
for (int j = 0; j < board.GetLength(0); j++)
{
rotated[board.GetLength(0) - 1 - j, i] = board[i, j];
}
}
return(rotated);
}
private static bool FloatTiles(PoweredTile[,] board, IDictionary <GameTile, GameTileState> oldTileStates)
{
bool floated = false;
for (int i = 0; i < board.GetLength(0); i++)
{
for (int j = 0; j < board.GetLength(0); j++)
{
PoweredTile current = board[i, j];
if (current != null)
{
int k;
for (k = i; k > 0; k--)
{
PoweredTile upper = board[k - 1, j];
if (upper != null)
{
if (!upper.upped && upper.power == current.power)
{
current.power++;
current.upped = true;
oldTileStates[upper.tile] = new GameTileState(upper.power, k - 1, j);
k--;
}
break;
}
}
if (i != k)
{
board[i, j] = null;
board[k, j] = current;
floated = true;
}
}
}
}
return(floated);
}
private static int GetHighestPower(PoweredTile[,] board)
{
int max = int.MinValue;
for (int i = 0; i < board.GetLength(0); i++)
{
for (int j = 0; j < board.GetLength(0); j++)
{
PoweredTile current = board[i, j];
if (current != null && current.power > max)
{
max = current.power;
}
}
}
return(max);
}
private static GameState GetGameState(PoweredTile[,] board)
{
Dictionary <GameTile, GameTileState> tileStates = new Dictionary <GameTile, GameTileState>();
for (int i = 0; i < board.GetLength(0); i++)
{
for (int j = 0; j < board.GetLength(0); j++)
{
PoweredTile current = board[i, j];
if (current != null)
{
tileStates[current.tile] = new GameTileState(current.power, i, j);
}
}
}
return(new GameState(board.GetLength(0), tileStates));
}
