/// <summary>
/// 从 blocks 里选取 block 来填充 point 这点，
/// 遍历顺序：
/// 从底到顶 z 逐渐变大
/// 从后到前 y 逐渐变大
/// 从左到右 x 逐渐变大
/// </summary>
/// <param name="blocks">可用积木的集合</param>
/// <param name="point">当前要填充覆盖的点</param>
/// <returns>是否能正确填完</returns>
protected override bool FillBlock(Block.IBlock[] blocks, Point point)
{
bool bSuccess = SuccessFlag();
if (bSuccess)
{
return(true);
}
if (blocks == null)
{
return(false);
}
point = NextEmptyPoint(point);
for (int b = 0; b < blocks.Length; ++b)
{
Block.IBlock block = blocks[b];
bool bSpecialBlock = false;
if (this.initBlockSp != null)
{
bSpecialBlock = initBlockSp.value == block.value;
}
//int iShapeAllCount = block.AllShapeCount();
int iLessLayer = 1;
if (this.bZAsc)
{
iLessLayer = this.layerNum - point.z;
}
else
{
iLessLayer = point.z + 1;
}
Region[] r = block.CreateRegion(iLessLayer);
if (r != null)
{
for (int t = 0; t < r.Length; ++t)
{
Point[] points = r[t] + point;
bool bCanFill = CanFill(points);
if (bCanFill && bSpecialBlock)
{
bCanFill = false;
foreach (var pt in points)
{
foreach (var ptSpe in initBlockSp.points)
{
if (ptSpe.Equal(pt))
{
bCanFill = true;
break;
}
}
if (bCanFill)
{
break;
}
}
}
if (bCanFill)
{
Fill(points, block.value);
bSuccess = SuccessFlag();
if (bSuccess)
{
timer.End();
++successCount;
Print($"{prompt}: {successCount}th success, {timer.Spend()}");
if (CanContinue())
{
timer.Start();
// erase
Fill(points, 0);
}
else
{
break;
}
}
else
{
Block.IBlock[] newblocks =
blocks.CreateBlocksExcludeIndex(block);
FillBlock(newblocks, point);
if (!bContinue)
{
break;
}
// erase
Fill(points, 0);
}
}
}
}
if (!bContinue)
{
break;
}
}
return(bSuccess);
}
/// <summary>
/// 从 blocks 里选取 block 来填充 point 这点，
/// 遍历顺序：
/// 从上到下 y 逐渐变大
/// 从左到右 x 逐渐变大
/// </summary>
/// <param name="blocks">可用积木的集合</param>
/// <param name="point">当前要填充覆盖的点</param>
/// <returns>是否能正确填完</returns>
protected override bool FillBlock(Block.IBlock[] blocks, Point point)
{
bool bSuccess = SuccessFlag();
if (bSuccess)
{
return(true);
}
if (blocks == null)
{
return(false);
}
point = NextEmptyPoint(point);
for (int b = 0; b < blocks.Length; ++b)
{
Block.IBlock block = blocks[b];
//int iShapeCount = block.ShapeFlatCount();
Region[] r = block.CreateRegion(1);
if (r != null)
{
for (int t = 0; t < r.Length; ++t)
{
//Point[] points = block.MoveShape(t, point);
Point[] points = r[t] + point;
if (CanFill(points))
{
Fill(points, block.value);
bSuccess = SuccessFlag();
if (bSuccess)
{
timer.End();
++successCount;
Print($"{prompt}: {successCount}th success, {timer.Spend()}");
if (CanContinue())
{
timer.Start();
// erase
Fill(points, 0);
}
else
{
break;
}
}
else
{
Block.IBlock[] newblocks =
blocks.CreateBlocksExcludeIndex(block);
FillBlock(newblocks, point);
if (!bContinue)
{
break;
}
// erase
Fill(points, 0);
}
}
}
}
if (!bContinue)
{
break;
}
}
return(bSuccess);
}