added comment

diff --git a/src/game_bd/bd_caveengine.c b/src/game_bd/bd_caveengine.c
index 94bc3624df804e0d37d5a74a97f90192f4001a9a..f57d422bc6e5ac094fb1258324b7db8e70dabbd3 100644 (file)
--- a/src/game_bd/bd_caveengine.c
+++ b/src/game_bd/bd_caveengine.c
@@ -636,6 +636,7 @@ static inline boolean is_like_dirt(const GdCave *cave, const int x, const int y,
   return has_property(get_dir(cave, x, y, dir), P_DIRT);
 }
 
+// store from/to directions in special buffers for smooth movement animations
 static inline void store_dir_buffer(GdCave *cave, const int x, const int y, const GdDirection dir)
 {
   int old_x = x;