void SetMeshWorth(Pos pos, bool isBlack)
{
int sixteen = isBlack ? 16 : -16;
int four = isBlack ? 4 : -4;
int one = isBlack ? 1 : -1;
m_MeshWorths[pos.Row, pos.Col] = sixteen;
var poses = RoundThreePoses(pos);
foreach (var p in poses)
{
if (IsTouch(p, pos))
{
m_MeshWorths[p.Row, p.Col] += four;
}
else if (IsCusp(p, pos) || IsJumpOne(p, pos))
{
m_MeshWorths[p.Row, p.Col] += one;
if (LineTwo.Contains(p))
{
var lineOne = LinkPoses(p).Intersect(LineOne).First();
m_MeshWorths[lineOne.Row, lineOne.Col] += one;
}
}
}
}
Pos TwoEmpty()
{
UpdateEmptyCount();
var w_blocks = m_WhiteStepBlocks.OrderByDescending(b => b.Steps.Count).ToList();
var b_blocks = m_BlackStepBlocks.OrderByDescending(b => b.Steps.Count).ToList();
foreach (var w_block in w_blocks) // 吃白
{
if (w_block.EmptyCount == 2)
{
var empties = GetLinkEmptySteps(w_block);
Pos p = GetPos(w_block, empties);
var p1 = GetPos(empties[0]);
var p2 = GetPos(empties[1]);
if (LineTwo.Contains(p) && LineTwo.Contains(p1) &&
LinkPoses(p1).Intersect(EmptyPoses).Count() > 2)
{
return(p1);
}
else if (LineTwo.Contains(p) && LineTwo.Contains(p2) &&
LinkPoses(p2).Intersect(EmptyPoses).Count() > 2)
{
return(p2);
}
if (FourSharp.Contains(p1) || FourSharp.Contains(p2))
{
continue;
}
if (LinkPoses(p1).Intersect(BlackPoses).Count() >= 1 && CanLevy(p1, p2, p, false)) // 有黑子帮忙
{
if (LinkPoses(p2).Intersect(WhitePoses).Count() >= 3)
{
continue; // 虎口
}
return(p2);
}
else if (LinkPoses(p2).Intersect(BlackPoses).Count() >= 1 && CanLevy(p2, p1, p, false))
{
if (LinkPoses(p1).Intersect(WhitePoses).Count() >= 3)
{
continue;
}
return(p1);
}
// 双叫吃
var p1_links = LinkPoses(p1).Intersect(WhitePoses).ToList();
var p2_links = LinkPoses(p2).Intersect(WhitePoses).ToList();
foreach (var p1_l in p1_links)
{
if (IsCusp(p1_l, p) && LinkPoses(p1_l).Intersect(EmptyPoses).Count() == 2)
{
if (GetStep(p1_l).EmptyCount != 2)
{
continue;
}
if (LinkPoses(p1).Intersect(WhitePoses).Count() >= 3)
{
continue;
}
if (LinkPoses(p1).Intersect(EmptyPoses).Count() == 2 && LineOne.Contains(p1))
{
continue;
}
return(p1);
}
}
foreach (var p2_l in p2_links)
{
if (IsCusp(p2_l, p) && LinkPoses(p2_l).Intersect(EmptyPoses).Count() == 2)
{
if (GetStep(p2_l).EmptyCount != 2)
{
continue;
}
if (LinkPoses(p2).Intersect(WhitePoses).Count() >= 3)
{
continue;
}
if (LinkPoses(p2).Intersect(EmptyPoses).Count() == 2 && LineOne.Contains(p2))
{
continue;
}
return(p2);
}
}
// 三路
if (LineThree.Contains(p1) && LineTwo.Contains(p2))
{
if (LinkPoses(p1).Intersect(WhitePoses).Count() >= 3)
{
continue;
}
return(p1);
}
else if (LineThree.Contains(p2) && LineTwo.Contains(p1))
{
if (LinkPoses(p2).Intersect(WhitePoses).Count() >= 3)
{
continue;
}
return(p2);
}
// 二路
if (LineTwo.Contains(p1))
{
if (LinkPoses(p1).Intersect(WhitePoses).Count() < 3)
{
return(p1);
}
}
else if (LineTwo.Contains(p2))
{
if ((LinkPoses(p2).Intersect(WhitePoses).Count() < 3))
{
return(p2);
}
}
else if (LineOne.Contains(p1) && LineOne.Contains(p2))
{
if (LinkPoses(p1).Intersect(WhitePoses).Count() == 1)
{
return(p1);
}
if ((LinkPoses(p2).Intersect(WhitePoses).Count() == 1))
{
return(p2);
}
}
// 枷
if (LinkPoses(p1).Intersect(BlackPoses).Count() == 1 && LinkPoses(p2).Intersect(BlackPoses).Count() == 1)
{
var e_rounds = RoundPoses(p).Intersect(EmptyPoses).ToList();
foreach (var e in e_rounds)
{
if (IsCusp(e, p) && IsTouch(e, p1) && IsTouch(e, p2))
{
return(e);
}
}
}
// 打断飞
var r2 = RoundTwoPoses(p).Intersect(WhitePoses).ToList();
foreach (var r in r2)
{
if (IsFlyOne(p, r) && IsCusp(p1, r) &&
RoundPoses(r).Intersect(EmptyPoses).Count() == 8)
{
return(p1);
}
else if (IsFlyOne(p, r) && IsCusp(p2, r) &&
RoundPoses(r).Intersect(EmptyPoses).Count() == 8)
{
return(p2);
}
}
}
}
foreach (var b_block in b_blocks) // 逃黑
{
if (b_block.EmptyCount == 2)
{
var empties = GetLinkEmptySteps(b_block);
Pos p = GetPos(b_block, empties);
var p1 = GetPos(empties[0]);
var p2 = GetPos(empties[1]);
var p1_links = LinkPoses(p1).Intersect(BlackPoses).ToList();
var p2_links = LinkPoses(p2).Intersect(BlackPoses).ToList();
foreach (var p1_l in p1_links)
{
if (IsCusp(p1_l, p) && GetStep(p1_l).EmptyCount == 2)
{
if (LinkPoses(p1).Intersect(BlackPoses).Count() >= 3)
{
continue;
}
return(p1);
}
else if (LineOne.Contains(p) && IsCusp(p1_l, p) &&
GetStep(p1_l).EmptyCount > 2)
{
foreach (var e in EmptyPoses)
{
if (IsCusp(e, p) && LinkPoses(e).Intersect(EmptyPoses).Count() == 5)
{
return(e);
}
else if (IsCusp(e, p) && LineOne.Contains(e) &&
LinkPoses(e).Intersect(EmptyPoses).Count() == 4)
{
return(e);
}
}
}
}
foreach (var p2_l in p2_links)
{
if (IsCusp(p2_l, p) && GetStep(p2_l).EmptyCount == 2)
{
if (LinkPoses(p2).Intersect(BlackPoses).Count() >= 3)
{
continue;
}
return(p2);
}
else if (LineOne.Contains(p) && IsCusp(p2_l, p) &&
GetStep(p2_l).EmptyCount > 2)
{
foreach (var e in EmptyPoses)
{
if (IsCusp(e, p) &&
LinkPoses(e).Intersect(EmptyPoses).Count() == 5)
{
return(e);
}
else if (IsCusp(e, p) && LineOne.Contains(e) &&
LinkPoses(e).Intersect(EmptyPoses).Count() == 4)
{
return(e);
}
}
}
}
}
}
return(m_InvalidPos);
}