Add support for block shuffling in maps (proposed by David).

For instance:

SHUFFLE: wW, 8$

will, if it swaps w and 8, also swap W and $. Block shuffles may have any
number of comma-separated entries, provided each segment is the same length.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@923 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 1 insertions, 0 deletions

diff --git a/crawl-ref/source/mapdef.h b/crawl-ref/source/mapdef.h
index 25f3b7ef5a..3b104336a0 100644
--- a/crawl-ref/source/mapdef.h
+++ b/crawl-ref/source/mapdef.h
@@ -82,6 +82,7 @@ private:
     std::string remove_unreferenced(const symbol_frequency_t &freq,
                                     std::string s);
     std::string shuffle(std::string s);
+    std::string block_shuffle(const std::string &s);
 
 private:
     std::vector<std::string> lines;