国际象棋滑动棋子位板
我很容易理解非滑动件，但我在滑动件方面遇到了一些麻烦。
我目前有 64 个位板（每个方块 1 个，未保存在数组中，还有 8 个用于屏蔽行的位板，8 个用于清除行的位板，8 个用于屏蔽列的位板，8 个用于清除列的位板，当然还有，每种类型的棋子的位板。
在为主教和车生成合法的移动时，我听说您应该获得列/行上的第一个占据的方块。
我的问题是：
- 您如何知道在哪里。 rook 是 和它以及适当的掩码，
- 您如何准确地获得对角线中的第一个被占用的方块。
- 如果您知道任何其他常见的位板，这将有助于我在后面的任务，那么 让我知道它们。
目前我没有分支，并且希望减少我使用的分支数量，但我觉得这里需要一些分支，并且很好奇解决这个问题的最有效方法。
I understood non-sliding pieces quite easily but I've been having some trouble with the sliding pieces.
I currently have 64 bitboards (1 for each square, not saved in a array as well as 8 bitboards for masked rows, 8 bitboards for cleared rows, 8 bitboards for masked columns, and 8 bitboards for cleared columns, as well as, of course, a bitboard for each type of piece.
In generating legal moves for the bishop and rook I hear you are suppose to get the first occupied square on the column/row.
My questions are:
- how do you know where the rook is to and it together with the appropriate mask.
- how exactly do you get the first occupied square in the diagonal as well for the Bishop.
- if you know of any other common bitboards which will help me in my tasks at a latter point, please let me know of them.
Currently I have it going with no branches and would like to keep the amount of branches I use down but I feel some will be needed here and am curious about the most efficient way to go about solving this problem.
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关于棋盘表示和Bitboard 对该主题提供了很好的解释。
此外，它们还包含许多有趣的链接，指向有价值的参考资料。
我特别建议您研究 Crafty 的源代码。它的作者是一位知名权威：Robert Hyatt 博士。
Wikipedia entries on Board representation and Bitboard provide good explanation on the topic.
Moreover, they contain a bunch of interesting links pointing to valuable references.
I particularly advise you to study Crafty's source code. It was written by a well known authority: Dr.Robert Hyatt.