public bool IsValid(Game game)
{
var koma = game.komas[k];
if (game.gamestate == GameState.over) throw new Exception("already over");
switch (koma.state)
{
case KomaState.MochiA:
if (game.gamestate != GameState.turnA || state != TeState.Utsu) return false;
break;
case KomaState.OnA:
if (game.gamestate != GameState.turnA || state != TeState.Move) return false;
break;
case KomaState.MochiB:
if (game.gamestate != GameState.turnB || state != TeState.Utsu) return false;
break;
case KomaState.OnB:
if (game.gamestate != GameState.turnB || state != TeState.Move) return false;
break;
}
switch (state)
{
case TeState.Move:
return koma.CanMove(X, Y);
case TeState.Utsu:
return koma.CanUtsu(X, Y);
default:
throw new Exception("error");
}
}
public void Go(Game game)
{
var koma = game.komas[k];
switch (state)
{
case TeState.Move:
koma.Move(X, Y);
break;
case TeState.Utsu:
koma.Utsu(X, Y);
break;
}
game.Next();
}
public Koma Clone(Game game)
{
Koma k = (Koma)MemberwiseClone();
k.game = game;
return k;
}
public Koma(int X, int Y, KomaState state, int index, Game game)
{
this.X = X; this.Y = Y; this.state = state; this.index = index; this.game = game;
canbeH = canbeK = canbeZ = canbeL = true;
only = isNari = false;
}
public Game Clone()
{
Game game = new Game();
game.gamestate = gamestate;
Dictionary<Koma, Koma> dict = new Dictionary<Koma, Koma>();
for (int i = 0; i < 8; i++) dict.Add(komas[i], komas[i].Clone(game));
for (int x = 0; x < 3; x++) for (int y = 0; y < 4; y++) if (onboards[x, y] != null) game.onboards[x, y] = dict[onboards[x, y]];
for (int i = 0; i < 4; i++) game.motoas[i] = dict[motoas[i]];
for (int i = 0; i < 4; i++) game.motobs[i] = dict[motobs[i]];
for (int i = 0; i < 8; i++) game.komas[i] = dict[komas[i]];
game.mochias = mochias.ConvertAll(k => dict[k]);
game.mochibs = mochibs.ConvertAll(k => dict[k]);
return game;
}
public static int Check(Te te, Game game, int depth)
{
te.Go(game);
if (game.gamestate == GameState.over)
{
return big;
}
if (depth >= 1)
{
List<Koma> mochi = game.gamestate == GameState.turnB ? game.mochias : game.mochibs;
int res = 0;
foreach (var k in mochi) res += Point(k);
foreach (var k in game.onboards)
{
if (k == null) continue;
if (k.state == ((game.gamestate == GameState.turnB) ? KomaState.OnA : KomaState.OnB))
{
res += Point(k);
}
}
return res;
}
int ans = big;
var aitete = game.PossTe();
if (depth > 0)
{
int c = 0; Te aitete0 = new Te();
foreach (var te2 in aitete)
{
int d = Check(te2, game.Clone(), big);
if (c < d) { c = d; aitete0 = te2; }
}
aitete.Clear(); aitete.Add(aitete0);
}
foreach (var te2 in aitete)
{
int res = 0;
Game game2 = game.Clone();
te2.Go(game2);
if (game2.gamestate == GameState.over) { ans = 0; continue; }
var jibunte = game2.PossTe();
if (depth == 1)
{
int c = 0; Te jibunte0 = new Te();
foreach (var te3 in jibunte)
{
int d = Check(te3, game2.Clone(), big);
if (c < d) { c = d; jibunte0 = te3; }
}
jibunte.Clear(); jibunte.Add(jibunte0);
}
res = 0;
foreach (var te3 in jibunte)
{
int c = Check(te3, game2.Clone(), depth + 1);
if (res < c) { res = c; }
}
ans = Math.Min(ans, res);
}
return ans;
}