|  |  |  | @ -503,6 +503,9 @@ static int burrow_tiles_box_remove(lua_State *L) { | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | // ramp tops inherit walkability group of the tile below
 | 
		
	
		
			
				|  |  |  |  | static uint16_t get_walk_group(const df::coord & pos) { | 
		
	
		
			
				|  |  |  |  |     df::tile_designation *des = Maps::getTileDesignation(pos); | 
		
	
		
			
				|  |  |  |  |     if (!des || des->bits.hidden) | 
		
	
		
			
				|  |  |  |  |         return 0; | 
		
	
		
			
				|  |  |  |  |     uint16_t walk = Maps::getWalkableGroup(pos); | 
		
	
		
			
				|  |  |  |  |     if (walk) | 
		
	
		
			
				|  |  |  |  |         return walk; | 
		
	
	
		
			
				
					|  |  |  | @ -544,7 +547,7 @@ static void flood_fill(lua_State *L, bool enable) { | 
		
	
		
			
				|  |  |  |  |         flood.pop(); | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  |         df::tile_designation *des = Maps::getTileDesignation(pos); | 
		
	
		
			
				|  |  |  |  |         if(!des || | 
		
	
		
			
				|  |  |  |  |         if (!des || | 
		
	
		
			
				|  |  |  |  |             des->bits.outside != start_des->bits.outside || | 
		
	
		
			
				|  |  |  |  |             des->bits.hidden != start_des->bits.hidden) | 
		
	
		
			
				|  |  |  |  |         { | 
		
	
	
		
			
				
					|  |  |  | @ -578,9 +581,9 @@ static void flood_fill(lua_State *L, bool enable) { | 
		
	
		
			
				|  |  |  |  |             ++pos_above.z; | 
		
	
		
			
				|  |  |  |  |             df::tiletype *tt = Maps::getTileType(pos); | 
		
	
		
			
				|  |  |  |  |             df::tiletype *tt_above = Maps::getTileType(pos_above); | 
		
	
		
			
				|  |  |  |  |             if (tt_above && LowPassable(*tt_above)) | 
		
	
		
			
				|  |  |  |  |             if (tt_above && (!start_walk || LowPassable(*tt_above))) | 
		
	
		
			
				|  |  |  |  |                 flood.emplace(pos_above); | 
		
	
		
			
				|  |  |  |  |             if (tt && LowPassable(*tt)) | 
		
	
		
			
				|  |  |  |  |             if (tt && (!start_walk || LowPassable(*tt))) | 
		
	
		
			
				|  |  |  |  |                 flood.emplace(pos.x, pos.y, pos.z-1); | 
		
	
		
			
				|  |  |  |  |         } | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
	
		
			
				
					|  |  |  | 
 |