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Fix NavMesh `map_update_id` returning 0 results in errors

Ben Rog-Wilhelm 2 years ago
parent
commit
d0564f2466
1 changed files with 2 additions and 1 deletions
  1. 2 1
      modules/navigation/nav_map.cpp

+ 2 - 1
modules/navigation/nav_map.cpp

@@ -1060,7 +1060,8 @@ void NavMap::sync() {
 		}
 		}
 
 
 		// Update the update ID.
 		// Update the update ID.
-		map_update_id = (map_update_id + 1) % 9999999;
+		// Some code treats 0 as a failure case, so we avoid returning 0.
+		map_update_id = map_update_id % 9999999 + 1;
 	}
 	}
 
 
 	// Do we have modified obstacle positions?
 	// Do we have modified obstacle positions?