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-rw-r--r--src/tile_type.h17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/tile_type.h b/src/tile_type.h
index 4c4f2a9c8..e954aa1fb 100644
--- a/src/tile_type.h
+++ b/src/tile_type.h
@@ -7,11 +7,15 @@
#include "core/enum_type.hpp"
-/** Maximum allowed tile height */
-#define MAX_TILE_HEIGHT 15
+enum {
+ TILE_SIZE = 16, ///< Tiles are 16x16 "units" in size
+ TILE_PIXELS = 32, ///< a tile is 32x32 pixels
+ TILE_HEIGHT = 8, ///< The standard height-difference between tiles on two levels is 8 (z-diff 8)
+
+ MAX_TILE_HEIGHT = 15, ///< Maximum allowed tile height
+ MAX_SNOWLINE_HEIGHT = (MAX_TILE_HEIGHT - 2), ///< Maximum allowed snowline height
+};
-/** Maximum allowed snowline height */
-#define MAX_SNOWLINE_HEIGHT (MAX_TILE_HEIGHT - 2)
/**
* The different type of a tile.
@@ -51,4 +55,9 @@ enum TropicZone {
*/
typedef uint32 TileIndex;
+/**
+ * The very nice invalid tile marker
+ */
+static const TileIndex INVALID_TILE = (TileIndex)-1;
+
#endif /* TILE_TYPE_H */