private List <int> RunMain(Game game)
{
Depth = 0;
Width = 0;
var state = new GameState2(game);
var visitedStates = new List <string> {
state.ToString()
};
var states = new List <GameState2> {
state
};
while (true)
{
Depth++;
if (!states.Any())
{
return(null);
}
if (states.Count > Width)
{
Width = states.Count;
}
//this.handler?.Invoke(string.Format("深度{0},当前队列{1},队列峰值{2}", Depth, states.Count, Width));
var newStates = new List <GameState2>();
foreach (var stt in states)
{
var moves = stt.GetMovableStep();
foreach (var move in moves)
{
var newState = stt.Move(move);
if (newState != null)
{
if (newState.Check())
{
//var pushs = newState.GetPushs();
return(newState.GetPaths());
}
var str = newState.ToString();
if (!visitedStates.Contains(str))
{
visitedStates.Add(str);
if (!newState.HasDeathArea())
{
newStates.Add(newState);
}
}
}
}
}
states = newStates;
}
}
/// <summary>
/// 移动一步
/// </summary>
/// <param name="ms">方向：0左；1上；2右；3下</param>
public GameState2 Move(Step ms)
{
var state = new GameState2(this, ms);
var lp = Y * W + X;
state.Map[lp] = state.Map[lp] == 6 ? 3 : 0;
int i = ms.Position;
state.Map[i] = state.Map[i] == 3 ? 6 : 5;
var dir = ms.Direction;
int v = dir == 0 ? -1 : dir == 1 ? -W : dir == 2 ? 1 : W;
if (state.Map[i + v] == 1)
{
return(null);
}
if (state.Map[i + v] == 2 || state.Map[i + v] == 4)
{
if (state.Map[i + 2 * v] == 1 || state.Map[i + 2 * v] == 2 || state.Map[i + 2 * v] == 4)
{
return(null);
}
state.Map[i] = state.Map[i] == 6 ? 3 : 0;
state.Map[i + v] = state.Map[i + v] == 4 ? 6 : 5;
if (state.Map[i + 2 * v] == 3)
{
state.Map[i + 2 * v] = 4;
}
else if (state.Map[i + 2 * v] == 0)
{
state.Map[i + 2 * v] = 2;
}
state.HasPush = true;
}
else if (state.Map[i + v] == 0 || state.Map[i + v] == 3)
{
state.Map[i] = state.Map[i] == 6 ? 3 : 0;
state.Map[i + v] = state.Map[i + v] == 3 ? 6 : 5;
}
state.X = (i + v) % W;
state.Y = (i + v) / W;
state.beforeMove = GetMoveFreeArea(lp, i);
state.CheckFreeArea(i + v);
return(state);
}
public GameState2(GameState2 game, Step move) : base(game, -1)
{
this.LastState = game;
this.LastMove = move;
}