World.addLocation() should throw an exception.

bernardosulzbach · Oct 12, 2015 · f483cdf · f483cdf
1 parent ca1a0e2
commit f483cdf
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/main/java/org/dungeon/game/World.java b/src/main/java/org/dungeon/game/World.java
@@ -58,6 +58,9 @@ public Date getWorldDate() {
   }
 
   public void addLocation(Location locationObject, Point coordinates) {
+    if (locations.containsKey(coordinates)) {
+      throw new IllegalStateException("tried to repeatedly add a location to " + coordinates + ".");
+    }
     locations.put(coordinates, locationObject);
     worldStatistics.addLocation(locationObject.getName().getSingular());
   }