谁能帮我的程序写PVS(主要变例搜索)
各位帮帮忙了！~
REM 将116、士115、士114、象113、象112、车111、车110、马109、马108、包107、包106、卒105、卒104、卒103、卒102、卒101(黑)
REM 帅216、仕215、仕214、相213、相212、车211、车210、马209、马208、炮207、炮206、兵205、兵204、兵203、兵202、兵201(红)
Public Function SearchFull(ByVal Cer As Byte, ByVal Steps As Integer, ByVal UpMax As Long, ByVal Alpha As Integer, ByVal Beta As Integer) As Integer
''Cer=1计算黑方的棋子 Cer=2计算红方的棋子 棋盘ChessBoard(90)
''返回分数
Dim i As Integer, j As Integer
Dim T As Byte, T1 As Integer, T3 As Integer, T4 As Integer ''临时变量
Dim ChessValue As Long ''记录棋子当前落子点的分数
Dim MaxValue As Long
Dim Sc(scMAXDOWNPOINT) As CHESSER ''用来存储我方搜索到的每种走法
Dim k As Integer
n = n + 1
MaxValue = -10000
Steps = Steps - 1
If Steps < 1 Then
Return qSearch(Cer, 10, Alpha, Beta, False) ''返回估值
Exit Function
End If
k = MakeMove(Sc, Cer)
'排序程序,略过
''搜索找到的所有落子点(Sc数组)
For i = 0 To k - 1
''落子点不能有自己的棋
If Int(ChessBoard(Sc(i).ObjXy) / 100) <> Cer Then
''GetLocateValue判断落子点的分数
T1 = CchessValue(Cer, ChessBoard(Sc(i).ObjXy), Sc(i).ObjXy)
T3 = ChessBoard(Sc(i).InitXy) ''保存（起点的棋子）
T4 = ChessBoard(Sc(i).ObjXy) ''（终点的棋子）
''如果吃到王就不再运算
If T4 Mod 100 = 16 Then Return -9999
ChessBoard(Sc(i).InitXy) = 0 ''移动棋子
ChessBoard(Sc(i).ObjXy) = T3 ''试下棋
''如果有吃子，Eval减分
If T4 <> 0 Then
Eval = Eval + CchessValue(0, T4, Sc(i).ObjXy)
End If
Eval = -Eval : Ply = Ply + 1
ChessValue = SearchFull(NextCer(Cer), Steps - 1, MaxValue, -Beta, -Alpha)
Eval = -Eval : Ply = Ply - 1
ChessBoard(Sc(i).InitXy) = T3 ''恢复棋盘
ChessBoard(Sc(i).ObjXy) = T4
If T4 <> 0 Then
Eval = Eval - CchessValue(0, T4, Sc(i).ObjXy) ''恢复Eval
End If
If MaxValue < ChessValue Then MaxValue = ChessValue
End If
'新增
If MaxValue > Alpha Then Alpha = MaxValue
If (MaxValue > Beta) Then Return -MaxValue
Next i
Return -MaxValue
End Function
[解决办法]
Public Function SearchFull(ByVal Cer As Byte, ByVal Steps As Integer, ByVal UpMax As Long, ByVal Alpha As Integer, ByVal Beta As Integer) As Integer
''Cer=1计算黑方的棋子 Cer=2计算红方的棋子 棋盘ChessBoard(90)
''返回分数
Dim i As Integer, j As Integer
Dim T As Byte, T1 As Integer, T3 As Integer, T4 As Integer ''临时变量
Dim ChessValue As Long ''记录棋子当前落子点的分数
Dim MaxValue As Long
Dim Sc(scMAXDOWNPOINT) As CHESSER ''用来存储我方搜索到的每种走法
Dim k As Integer
dim fFoundPv as Boolean = FALSE
n = n + 1
MaxValue = -10000
Steps = Steps - 1
If Steps < 1 Then
Return qSearch(Cer, 10, Alpha, Beta, False) ''返回估值
Exit Function
End If
k = MakeMove(Sc, Cer)
'排序程序,略过
''搜索找到的所有落子点(Sc数组)
For i = 0 To k - 1
''落子点不能有自己的棋
If Int(ChessBoard(Sc(i).ObjXy) / 100) <> Cer Then
''GetLocateValue判断落子点的分数
T1 = CchessValue(Cer, ChessBoard(Sc(i).ObjXy), Sc(i).ObjXy)
T3 = ChessBoard(Sc(i).InitXy) ''保存（起点的棋子）
T4 = ChessBoard(Sc(i).ObjXy) ''（终点的棋子）
''如果吃到王就不再运算
If T4 Mod 100 = 16 Then Return -9999
ChessBoard(Sc(i).InitXy) = 0 ''移动棋子
ChessBoard(Sc(i).ObjXy) = T3 ''试下棋
''如果有吃子，Eval减分
If T4 <> 0 Then
Eval = Eval + CchessValue(0, T4, Sc(i).ObjXy)
End If
Eval = -Eval : Ply = Ply + 1
if fFoundPv then
SearchFull(NextCer(Cer), Steps - 1, MaxValue, -Alpha-1, -Alpha)
if ((val > alpha) and (val < beta)) then ''检查失败
maxvalue=-SearchFull(NextCer(Cer), Steps - 1, MaxValue, -Beta, -Alpha)
endif
else
ChessValue = -SearchFull(NextCer(Cer), Steps - 1, MaxValue, -Beta, -Alpha)
end if
Eval = -Eval : Ply = Ply - 1
ChessBoard(Sc(i).InitXy) = T3 ''恢复棋盘
ChessBoard(Sc(i).ObjXy) = T4
If T4 <> 0 Then
Eval = Eval - CchessValue(0, T4, Sc(i).ObjXy) ''恢复Eval
End If
If MaxValue < ChessValue Then MaxValue = ChessValue
End If
'新增
If MaxValue > Alpha Then Alpha = MaxValue
If (MaxValue > Beta) Then Return -MaxValue
Next i
Return -MaxValue
End Function
[解决办法]
If MaxValue > Alpha Then Alpha = MaxValue : fFoundPv = TRUE