31    private function __construct(){
 
   35    public const CORAL_VARIANT_TUBE = 0;
 
   36    public const CORAL_VARIANT_BRAIN = 1;
 
   37    public const CORAL_VARIANT_BUBBLE = 2;
 
   38    public const CORAL_VARIANT_FIRE = 3;
 
   39    public const CORAL_VARIANT_HORN = 4;
 
   41    public const LIQUID_FALLING_FLAG = 0x08;
 
   43    public const MULTI_FACE_DIRECTION_FLAG_DOWN = 0x01;
 
   44    public const MULTI_FACE_DIRECTION_FLAG_UP = 0x02;
 
   45    public const MULTI_FACE_DIRECTION_FLAG_SOUTH = 0x04;
 
   46    public const MULTI_FACE_DIRECTION_FLAG_WEST = 0x08;
 
   47    public const MULTI_FACE_DIRECTION_FLAG_NORTH = 0x10;
 
   48    public const MULTI_FACE_DIRECTION_FLAG_EAST = 0x20;
 
   50    public const MUSHROOM_BLOCK_ALL_PORES = 0;
 
   51    public const MUSHROOM_BLOCK_CAP_NORTHWEST_CORNER = 1;
 
   52    public const MUSHROOM_BLOCK_CAP_NORTH_SIDE = 2;
 
   53    public const MUSHROOM_BLOCK_CAP_NORTHEAST_CORNER = 3;
 
   54    public const MUSHROOM_BLOCK_CAP_WEST_SIDE = 4;
 
   55    public const MUSHROOM_BLOCK_CAP_TOP_ONLY = 5;
 
   56    public const MUSHROOM_BLOCK_CAP_EAST_SIDE = 6;
 
   57    public const MUSHROOM_BLOCK_CAP_SOUTHWEST_CORNER = 7;
 
   58    public const MUSHROOM_BLOCK_CAP_SOUTH_SIDE = 8;
 
   59    public const MUSHROOM_BLOCK_CAP_SOUTHEAST_CORNER = 9;
 
   60    public const MUSHROOM_BLOCK_STEM = 10;
 
   62    public const MUSHROOM_BLOCK_ALL_CAP = 14;
 
   63    public const MUSHROOM_BLOCK_ALL_STEM = 15;
 
   65    public const RAIL_STRAIGHT_NORTH_SOUTH = 0;
 
   66    public const RAIL_STRAIGHT_EAST_WEST = 1;
 
   67    public const RAIL_ASCENDING_EAST = 2;
 
   68    public const RAIL_ASCENDING_WEST = 3;
 
   69    public const RAIL_ASCENDING_NORTH = 4;
 
   70    public const RAIL_ASCENDING_SOUTH = 5;
 
   71    public const RAIL_CURVE_SOUTHEAST = 6;
 
   72    public const RAIL_CURVE_SOUTHWEST = 7;
 
   73    public const RAIL_CURVE_NORTHWEST = 8;
 
   74    public const RAIL_CURVE_NORTHEAST = 9;
 
   76    public const VINE_FLAG_SOUTH = 0x01;
 
   77    public const VINE_FLAG_WEST = 0x02;
 
   78    public const VINE_FLAG_NORTH = 0x04;
 
   79    public const VINE_FLAG_EAST = 0x08;