plop

game/engines/default/engine/generator/actor/OnSpots.lua

@@ -74,7 +74,7 @@ function _M:getSpawnSpot(m)
 			_, _, gs = util.findFreeGrid(spot.x, spot.y, self.spot_radius, "block_move", {[Map.ACTOR]=true})
 			tries = tries + 1
 		end
-		if not gs then
+		if not gs or #gs == 0 then
 			print("No more free space for spawning")
 			break
 		end

game/engines/default/engine/generator/object/OnSpots.lua

@@ -55,7 +55,7 @@ function _M:getSpawnSpot(o)
 			_, _, gs = util.findFreeGrid(spot.x, spot.y, self.spot_radius, "block_move", {[Map.OBJECT]=true})
 			tries = tries + 1
 		end
-		if not gs then
+		if not gs or #gs == 0 then
 			print("No more free space for spawning")
 			return
 		end