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-rw-r--r--crawl-ref/source/tilemcache.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/crawl-ref/source/tilemcache.h b/crawl-ref/source/tilemcache.h
index fef7bd6d77..67ff52f9c1 100644
--- a/crawl-ref/source/tilemcache.h
+++ b/crawl-ref/source/tilemcache.h
@@ -47,6 +47,8 @@ public:
virtual void construct(writer &th);
+ virtual bool transparent() const { return false; }
+
protected:
mcache_entry(reader &th);