import net.minecraft.block.BlockRailDetector; //导入依赖的package包/类
public static ForgeDirection[] getValidVanillaBlockRotations(Block block)
{
    return (block instanceof BlockBed || 
            block instanceof BlockPumpkin ||
            block instanceof BlockFenceGate || 
            block instanceof BlockEndPortalFrame || 
            block instanceof BlockTripWireHook || 
            block instanceof BlockCocoa || 
            block instanceof BlockRailPowered || 
            block instanceof BlockRailDetector || 
            block instanceof BlockStairs || 
            block instanceof BlockChest || 
            block instanceof BlockEnderChest || 
            block instanceof BlockFurnace || 
            block instanceof BlockLadder || 
            block == Blocks.field_150444_as || 
            block == Blocks.field_150472_an || 
            block instanceof BlockDoor || 
            block instanceof BlockRail ||
            block instanceof BlockButton || 
            block instanceof BlockRedstoneRepeater || 
            block instanceof BlockRedstoneComparator || 
            block instanceof BlockTrapDoor || 
            block instanceof BlockHugeMushroom || 
            block instanceof BlockVine || 
            block instanceof BlockSkull || 
            block instanceof BlockAnvil) ? UP_DOWN_AXES : VALID_DIRECTIONS;
}
 

import net.minecraft.block.BlockRailDetector; //导入依赖的package包/类
public static ForgeDirection[] getValidVanillaBlockRotations(Block block)
{
    return (block instanceof BlockBed || 
            block instanceof BlockPumpkin ||
            block instanceof BlockFenceGate || 
            block instanceof BlockEndPortalFrame || 
            block instanceof BlockTripWireHook || 
            block instanceof BlockCocoa || 
            block instanceof BlockRailPowered || 
            block instanceof BlockRailDetector || 
            block instanceof BlockStairs || 
            block instanceof BlockChest || 
            block instanceof BlockEnderChest || 
            block instanceof BlockFurnace || 
            block instanceof BlockLadder || 
            block == Blocks.wall_sign || 
            block == Blocks.standing_sign || 
            block instanceof BlockDoor || 
            block instanceof BlockRail ||
            block instanceof BlockButton || 
            block instanceof BlockRedstoneRepeater || 
            block instanceof BlockRedstoneComparator || 
            block instanceof BlockTrapDoor || 
            block instanceof BlockHugeMushroom || 
            block instanceof BlockVine || 
            block instanceof BlockSkull || 
            block instanceof BlockAnvil) ? UP_DOWN_AXES : VALID_DIRECTIONS;
}
 

import net.minecraft.block.BlockRailDetector; //导入依赖的package包/类
private static BlockType getBlockType(Block block) {

    if(block instanceof BlockBed || block instanceof BlockPumpkin || block instanceof BlockFenceGate || block instanceof BlockEndPortalFrame
        || block instanceof BlockCocoa) {
      return BlockType.BED;
    }
    if(block instanceof BlockRail) {
      return BlockType.RAIL;
    }
    if(block instanceof BlockRailPowered || block instanceof BlockRailDetector) {
      return BlockType.RAIL_POWERED;
    }
    if(block instanceof BlockStairs) {
      return BlockType.STAIR;
    }
    if(block instanceof BlockChest || block instanceof BlockEnderChest || block instanceof BlockFurnace || block instanceof BlockLadder
        || block == Blocks.wall_sign) {
      return BlockType.CHEST;
    }
    if(block == Blocks.standing_sign) {
      return BlockType.SIGNPOST;
    }
    if(block instanceof BlockDoor) {
      return BlockType.DOOR;
    }
    if(block instanceof BlockButton) {
      return BlockType.BUTTON;
    }
    if(block instanceof BlockRedstoneRepeater || block instanceof BlockRedstoneComparator) {
      return BlockType.REDSTONE_REPEATER;
    }
    if(block instanceof BlockTrapDoor) {
      return BlockType.TRAPDOOR;
    }
    if(block instanceof BlockHugeMushroom) {
      return BlockType.MUSHROOM_CAP;
    }
    if(block instanceof BlockVine) {
      return BlockType.VINE;
    }
    if(block instanceof BlockSkull) {
      return BlockType.SKULL;
    }
    if(block instanceof BlockAnvil) {
      return BlockType.ANVIL;
    }
    if(block instanceof BlockLog) {
      return BlockType.LOG;
    }
    if(block instanceof BlockDispenser || block instanceof BlockPistonBase || block instanceof BlockPistonExtension || block instanceof BlockHopper) {
      return BlockType.DISPENSER;
    }
    if(block instanceof BlockTorch) {
      return BlockType.TORCH;
    }
    if(block instanceof BlockLever) {
      return BlockType.LEVER;
    }
    if(block instanceof BlockTripWireHook) {
      return BlockType.TRIP_WIRE_HOOK;
    }
    
    return null;
  }