bool ReadPGN(string filename, int maxHeight)
{
POSITION pos = new POSITION();
PgnFileStruct pgn = pos.ReadPgnFile(filename);
if (pgn.StartFEN != POSITION.cszStartFen)
{
Console.WriteLine("非开局或全局谱");
return(false);
}
int result;
switch (pgn.Result)
{
case "0-1":
result = -1;
break;
case "1-0":
result = 1;
break;
case "1/2-1/2":
result = 0;
break;
default:
return(false);
}
pos.FromFEN(pgn.StartFEN);
int height = 0;
foreach (MOVE mv in pgn.MoveList)
{
pos.MakeMove(mv, false);
ulong key = pos.Key;
if (Book.TryGetValue(key, out BookEntry entry))
{
switch (result)
{
case 1:
entry.win++;
Debug.Assert(entry.win < ushort.MaxValue);
break;
case 0:
entry.draw++;
Debug.Assert(entry.loss < ushort.MaxValue);
break;
case -1:
entry.loss++;
Debug.Assert(entry.draw < ushort.MaxValue);
break;
default:
Debug.Fail("Unknown result");
break;
}
Book[key] = entry;
}
else
{
ulong mirror_key = pos.CalculateZobrist(true);
if (Book.TryGetValue(mirror_key, out entry))
{
switch (result)
{
case 1:
entry.win++;
Debug.Assert(entry.win < ushort.MaxValue);
break;
case 0:
entry.draw++;
Debug.Assert(entry.loss < ushort.MaxValue);
break;
case -1:
entry.loss++;
Debug.Assert(entry.draw < ushort.MaxValue);
break;
default:
Debug.Fail("Unknown result");
break;
}
Book[mirror_key] = entry;
}
else
{
entry = new BookEntry();
switch (result)
{
case 1:
entry.win = 1;
break;
case 0:
entry.draw = 1;
break;
case -1:
entry.loss = 1;
break;
default:
Debug.Fail("Unknown result");
return(false);
}
Book.Add(key, entry);
}
}
height++;
if (height > maxHeight)
{
return(true);
}
}
return(true);
}
private void MenuOpen_Click(object sender, EventArgs e)
{
PgnFileStruct PGN;
if (openPGNDialog.ShowDialog() == DialogResult.OK)
{
PGN = pos.ReadPgnFile(openPGNDialog.FileName);
MoveList = PGN.MoveList;
CommentList = PGN.CommentList;
}
else
{
return;
}
labelEvent.Text = PGN.Event;
string result;
switch (PGN.Result)
{
case "1-0":
result = "胜";
break;
case "0-1":
result = "负";
break;
case "1/2-1/2":
result = "和";
break;
default:
result = "*";
break;
}
StringBuilder sb = new StringBuilder();
sb.Append(PGN.RedTeam);
sb.Append(' ');
sb.Append(PGN.Red);
sb.Append(" (先");
sb.Append(result);
sb.Append(") ");
sb.Append(PGN.BlackTeam);
sb.Append(' ');
sb.Append(PGN.Black);
labelPlayer.Text = sb.ToString();
labelDateSite.Text = PGN.Date + " 弈于 " + PGN.Site;
ListboxMove.Items.Clear();
if (string.IsNullOrEmpty(CommentList[0]))
{
ListboxMove.Items.Add("==开始==");
}
else
{
ListboxMove.Items.Add("==开始==*");
}
for (FENStep = 0; FENStep < MoveList.Count; FENStep++)
{
MOVE step = MoveList[FENStep];
string label = step.ToString();
if (FENStep % 2 == 0)
{
label = ((FENStep / 2 + 1).ToString() + "." + label);
}
label = label.PadLeft(8);
if (!string.IsNullOrEmpty(CommentList[FENStep + 1]))
{
label += "*";
}
ListboxMove.Items.Add(label);
}
pos.FromFEN(PGN.StartFEN);
engine.FromFEN(PGN.StartFEN);
FENStep = 0;
ListboxMove.SelectedIndex = 0;
PanelBoard.Refresh();
App_inGame = false;
}