First pass on removing tile hard coded values.

Every files has been checked against the hard coded
32 values except the map.cpp file.
I also added convenience functions in the Game class,
centralized the default item icon size, and removed two
unused defines in being.cpp.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/map.h b/src/map.h
index 7dbc14af..c2bb194f 100644
--- a/src/map.h
+++ b/src/map.h
@@ -40,6 +40,8 @@ class Tileset;
 typedef std::vector<Tileset*> Tilesets;
 typedef std::vector<MapLayer*> Layers;
 
+#define DEFAULT_TILE_LENGTH 32
+
 /**
  * A meta tile stores additional information about a location on a tile map.
  * This is information that doesn't need to be repeated for each tile in each