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-rw-r--r--crawl-ref/source/env.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/crawl-ref/source/env.h b/crawl-ref/source/env.h
index 1f3c02f142..aa78f2ac0f 100644
--- a/crawl-ref/source/env.h
+++ b/crawl-ref/source/env.h
@@ -6,6 +6,7 @@
#include "show.h"
#include "trap_def.h"
+typedef FixedArray<short, GXM, GYM> grid_heightmap;
struct crawl_environment
{
public:
@@ -22,6 +23,8 @@ public:
FixedArray< unsigned short, GXM, GYM > cgrid; // cloud grid
FixedArray< unsigned short, GXM, GYM > grid_colours; // colour overrides
+ std::auto_ptr<grid_heightmap> heightmap;
+
// Player-remembered terrain. TODO: move to class player.
FixedArray< map_cell, GXM, GYM > map_knowledge;