Move path finding related code to the Map class and small fixes.

It permits two things:
1. It simplifies and demystifies Being::SetDestination() code.
2. It will permit to show the *real* calulated path when using
   the drawDebugPath feature for ManaServ.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/map.h b/src/map.h
index 7b91b6bb..0832df93 100644
--- a/src/map.h
+++ b/src/map.h
@@ -272,6 +272,23 @@ class Map : public Properties
         const std::string *getFilename() const;
 
         /**
+         * Check the current position against surrounding blocking tiles, and
+         * correct the position offset within tile when needed.
+         */
+        Position checkNodeOffsets(int radius, unsigned char walkMask,
+                                  const Position &position) const;
+        Position checkNodeOffsets(int radius, unsigned char walkMask,
+                                  int x, int y) const
+        { return checkNodeOffsets(radius, walkMask, Position(x, y)); }
+
+        /**
+         * Find a pixel path from one location to the next.
+         */
+        Path findPixelPath(int startPixelX, int startPixelY,
+                          int destPixelX, int destPixelY,
+                          int radius, unsigned char walkmask, int maxCost = 20);
+
+        /**
          * Find a path from one location to the next.
          */
         Path findPath(int startX, int startY, int destX, int destY,