Allow maps to use SHUFFLE: directive to shuffle symbols in the map definition

(David).

For instance, SHUFFLE: def will shuffle its argument (to "efd", for instance)
and replace each occurrence of the symbols in its argument with the
corresponding symbol in the shuffled list (so all d will be replaced with e,
all e with f, and all f with d in the example).

Multiple SHUFFLE: lines can be used, and each shuffle will be applied
independently.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@906 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 1 insertions, 0 deletions

diff --git a/crawl-ref/source/util/levcomp.lpp b/crawl-ref/source/util/levcomp.lpp
index 1c8f9b73af..3556c7cb87 100644
--- a/crawl-ref/source/util/levcomp.lpp
+++ b/crawl-ref/source/util/levcomp.lpp
@@ -121,6 +121,7 @@ TAGS:               { BEGIN(KEYWORDS); return TAGS; }
 SYMBOL:             { BEGIN(ARGUMENT); return SYMBOL; }
 MONS:               { BEGIN(MNAME); return MONS; }
 ITEM:               { BEGIN(ITEM_LIST); return ITEM; }
+SHUFFLE:            { BEGIN(ARGUMENT); return SHUFFLE; }
 
 BRANCHDEF:          return BRANCH;
 DEFAULT             return DEFAULT;