Made pathfinding algorithm cope better with beings blocking the road. This is

done by allowing walking over other beings, but at an additional cost so that
it is preferable to walk around them.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/map.h b/src/map.h
index 961326b8..15b9b0dc 100644
--- a/src/map.h
+++ b/src/map.h
@@ -129,7 +129,7 @@ class Map : public Properties
         MetaTile *getMetaTile(int x, int y);
 
         /**
-         * Set walkability flag for a tile
+         * Set walkability flag for a tile.
          */
         void setWalk(int x, int y, bool walkable);
 
@@ -199,6 +199,16 @@ class Map : public Properties
         Tileset*
         getTilesetWithGid(int gid);
 
+        /**
+         * Tells whether a tile is occupied by a being.
+         */
+        bool occupied(int x, int y);
+
+        /**
+         * Tells whether the given coordinates fall within the map boundaries.
+         */
+        bool contains(int x, int y);
+
         int mWidth, mHeight;
         int mTileWidth, mTileHeight;
         MetaTile *mMetaTiles;