+ case EL_TUBE_CROSS: return GFX_TUBE_CROSS;
+ case EL_TUBE_VERTICAL: return GFX_TUBE_VERTICAL;
+ case EL_TUBE_HORIZONTAL: return GFX_TUBE_HORIZONTAL;
+ case EL_TUBE_VERT_LEFT: return GFX_TUBE_VERT_LEFT;
+ case EL_TUBE_VERT_RIGHT: return GFX_TUBE_VERT_RIGHT;
+ case EL_TUBE_HORIZ_UP: return GFX_TUBE_HORIZ_UP;
+ case EL_TUBE_HORIZ_DOWN: return GFX_TUBE_HORIZ_DOWN;
+ case EL_TUBE_LEFT_UP: return GFX_TUBE_LEFT_UP;
+ case EL_TUBE_LEFT_DOWN: return GFX_TUBE_LEFT_DOWN;
+ case EL_TUBE_RIGHT_UP: return GFX_TUBE_RIGHT_UP;
+ case EL_TUBE_RIGHT_DOWN: return GFX_TUBE_RIGHT_DOWN;
+ case EL_SPRING: return GFX_SPRING;
+ case EL_SPRING_MOVING: return GFX_SPRING;
+ case EL_TRAP_INACTIVE: return GFX_TRAP_INACTIVE;
+ case EL_TRAP_ACTIVE: return GFX_TRAP_ACTIVE;
+ case EL_BD_WALL: return GFX_BD_WALL;
+ case EL_BD_ROCK: return GFX_BD_ROCK;
+ case EL_DX_SUPABOMB: return GFX_DX_SUPABOMB;
+ case EL_SP_MURPHY_CLONE: return GFX_SP_MURPHY_CLONE;