+
+ stacksmap = bytearray(b'0' * (length ** 2)) # #
+ for id in [id for id in world_db["Things"] # #
+ if not world_db["Things"][id]["carried"] # #
+ if world_db["Things"][0]["fovmap"][ # #
+ world_db["Things"][id]["T_POSY"] * length # #
+ + world_db["Things"][id]["T_POSX"]] == ord_v]: # #
+ pos = (world_db["Things"][id]["T_POSY"] * length # #
+ + world_db["Things"][id]["T_POSX"]) # #
+ if stacksmap[pos] < ord('2'): # #
+ stacksmap[pos] += 1 # #
+ for mt in world_db["Things"][0]["T_MEMTHING"]: # #
+ pos = mt[1] * length + mt[2] # #
+ if stacksmap[pos] < ord('2'): # #
+ stacksmap[pos] += 1 # #
+ string = write_map(string, stacksmap) # #
+