//Grid _grid;
public SanxiaoAI(Game.Grid grid)
{
if (grid == null)
{
Debug.LogError("grid == null Error! SanxiaoAI must have grid.");
}
//_grid = grid;
}
/// <summary>
/// Very heavy. Set onlyFirstOne = true if only want to check death
/// </summary>
/// <param name="grid"></param>
/// <param name="onlyFirstOne"></param>
/// <returns></returns>
public List <CandyExchange> GetAllHintExchanges(Game.Grid grid, bool onlyFirstOne = false)
{
_exchangeList.Clear();
for (int i = 0; i < Grid.Height; i++)
{
for (int j = 0; j < Grid.Width; j++)
{
IntVector2 ij;
ij.i = i;
ij.j = j;
var cell = grid[ij];
if (!cell.CanHoldCandy)
{
continue;
}
var candy = cell.MyCandy;
if (candy == null)
{
continue;
}
#region \/
// le ri
// O
{
for (int k = 0; k < 4; k++)
{
var le = ij + _cornerList[k];
var ri = ij + _cornerList[k + 1];
if (grid.IsSameGenre(ij, le, ri) && grid.IsIJNormalAndHasStaticCandy(le) && grid.IsIJNormalAndHasStaticCandy((le + ri) / 2))
{
if (grid[ij].MyState == Cell.State.Normal &&
grid[(le + ri) / 2].MyState == Cell.State.Normal) //滤除枷锁
{
_exchangeList.Add(new CandyExchange(ij, (le + ri) / 2, new[] { le, ij, ri }));
if (onlyFirstOne)
{
return(_exchangeList);
}
}
}
}
}
#endregion
#region -\,-/
//a0 O 开口 | a2
// a1 | a0 0 开口
{
IntVector2 a0;
a0.i = 0;
a0.j = -1;
IntVector2 a1;
a1.i = -1;
a1.j = 1;
IntVector2 a2;
a2.i = 1;
a2.j = 1;
for (int k = 0; k < 4; k++)
{
if (grid.IsSameGenre(ij, ij + a0, ij + a1) && grid.IsIJNormalAndHasStaticCandy(ij + a1) && grid.IsIJNormalAndHasStaticCandy(ij - a0))
{
if (grid[ij - a0].MyState == Cell.State.Normal &&
grid[ij + a1].MyState == Cell.State.Normal)//滤除枷锁
{
_exchangeList.Add(new CandyExchange(ij - a0, ij + a1, new[] { ij + a0, ij, ij + a1 }));
if (onlyFirstOne)
{
return(_exchangeList);
}
}
}
if (grid.IsSameGenre(ij, ij + a0, ij + a2) && grid.IsIJNormalAndHasStaticCandy(ij + a2) && grid.IsIJNormalAndHasStaticCandy(ij - a0))
{
if (grid[ij - a0].MyState == Cell.State.Normal &&
grid[ij + a2].MyState == Cell.State.Normal)//滤除枷锁
{
_exchangeList.Add(new CandyExchange(ij - a0, ij + a2, new[] { ij + a0, ij, ij + a2 }));
if (onlyFirstOne)
{
return(_exchangeList);
}
}
}
a0 = RotateClockwise(a0);
a1 = RotateClockwise(a1);
a2 = RotateClockwise(a2);
}
}
#endregion
#region - 。
//a0 O a1
{
IntVector2 a0;
a0.i = 0;
a0.j = -1;
IntVector2 a1;
a1.i = 0;
a1.j = 2;
for (int k = 0; k < 4; k++)
{
if (grid.IsSameGenre(ij, ij + a0, ij + a1) && grid.IsIJNormalAndHasStaticCandy(ij + a1 / 2) && grid.IsIJNormalAndHasStaticCandy(ij + a1))
{
if (grid[ij + a1 / 2].MyState == Cell.State.Normal &&
grid[ij + a1].MyState == Cell.State.Normal)//滤除枷锁
{
_exchangeList.Add(new CandyExchange(ij + a1 / 2, ij + a1, new[] { ij + a0, ij, ij + a1 }));
if (onlyFirstOne)
{
return(_exchangeList);
}
}
}
a0 = RotateClockwise(a0);
a1 = RotateClockwise(a1);
}
}
#endregion
#region 融合(仅向右或下搜索)
if (i < Grid.Height - 1 && j < Grid.Width - 1) //最右，最下不需要检测
{
var ij0 = ij;
ij0.j += 1;
if (grid[ij].MyState == Cell.State.Normal && grid[ij0].MyState == Cell.State.Normal &&
grid[ij0].MyCandy) //两个格子都是Normal态，滤除枷锁
{
if (((grid[ij0].MyCandy.Genre >= 0 || grid[ij0].MyCandy.MyType == Candy.CandyType.Colorful) &&
candy.MyType == Candy.CandyType.Colorful) ||
(candy.IsSpecial && grid[ij0].MyCandy.IsSpecial)) //有一个是彩色糖or两个都是特殊糖果
{
_exchangeList.Add(new CandyExchange(ij, ij0));
if (onlyFirstOne)
{
return(_exchangeList);
}
}
}
ij0 = ij;
ij0.i += 1;
if (grid[ij].MyState == Cell.State.Normal && grid[ij0].MyState == Cell.State.Normal &&
grid[ij0].MyCandy) //两个格子都是Normal态，滤除枷锁
{
if (((grid[ij0].MyCandy.Genre >= 0 || grid[ij0].MyCandy.MyType == Candy.CandyType.Colorful) &&
candy.MyType == Candy.CandyType.Colorful) ||
(candy.IsSpecial && grid[ij0].MyCandy.IsSpecial)) //有一个是彩色糖or两个都是特殊糖果
{
_exchangeList.Add(new CandyExchange(ij, ij0));
if (onlyFirstOne)
{
return(_exchangeList);
}
}
}
}
#endregion
}
}
return(_exchangeList);
}
