PathBuilder: if (from == to) build empty path

1 files changed, 6 insertions, 1 deletions

diff --git a/core/src/ch/asynk/rustanddust/engine/PathBuilder.java b/core/src/ch/asynk/rustanddust/engine/PathBuilder.java
index af5d78b..9d564b5 100644
--- a/core/src/ch/asynk/rustanddust/engine/PathBuilder.java
+++ b/core/src/ch/asynk/rustanddust/engine/PathBuilder.java
@@ -107,7 +107,12 @@ public class PathBuilder implements Disposable
         this.to = to;
         // from and to are not part of the path
         this.distance = board.distance(from, to);
-        findAllPaths(from, pawn.getMovementPoints(), 0, true);
+        if (distance == 0) {
+            Path path = Path.get(0);
+            path.cost = 0;
+            paths.add(path);
+        } else
+            findAllPaths(from, pawn.getMovementPoints(), 0, true);
 
         // printToErr("paths", paths);
         stack.clear();