Added rotation support for all vanilla blocks that can be rotated.
This commit is contained in:
Lunatrius
parent
24e67b857c
commit
0c308a5f07
1 changed files with 371 additions and 10 deletions
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@ -1,19 +1,82 @@
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package net.minecraftforge.common;
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import com.google.common.collect.BiMap;
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import com.google.common.collect.HashBiMap;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockAnvil;
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import net.minecraft.block.BlockBed;
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import net.minecraft.block.BlockButton;
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import net.minecraft.block.BlockChest;
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import net.minecraft.block.BlockCocoa;
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import net.minecraft.block.BlockComparator;
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import net.minecraft.block.BlockDetectorRail;
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import net.minecraft.block.BlockDispenser;
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import net.minecraft.block.BlockDropper;
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import net.minecraft.block.BlockDoor;
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import net.minecraft.block.BlockEndPortalFrame;
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import net.minecraft.block.BlockEnderChest;
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import net.minecraft.block.BlockFenceGate;
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import net.minecraft.block.BlockFurnace;
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import net.minecraft.block.BlockHopper;
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import net.minecraft.block.BlockLadder;
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import net.minecraft.block.BlockLever;
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import net.minecraft.block.BlockLog;
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import net.minecraft.block.BlockMushroomCap;
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import net.minecraft.block.BlockPistonBase;
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import net.minecraft.block.BlockPistonExtension;
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import net.minecraft.block.BlockPumpkin;
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import net.minecraft.block.BlockRail;
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import net.minecraft.block.BlockRailPowered;
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import net.minecraft.block.BlockRedstoneRepeater;
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import net.minecraft.block.BlockSkull;
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import net.minecraft.block.BlockStairs;
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import net.minecraft.block.BlockTorch;
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import net.minecraft.block.BlockTrapDoor;
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import net.minecraft.block.BlockTripWireSource;
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import net.minecraft.block.BlockVine;
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import net.minecraft.world.World;
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import java.util.HashMap;
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import java.util.Map;
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import static net.minecraftforge.common.ForgeDirection.*;
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public class RotationHelper {
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/**
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* Some blocks have the same rotation.
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* The first of these blocks (sorted by itemID) should be listed as a type.
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* Some of the types aren't actual blocks (helper types).
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*/
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private static enum BlockType {
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LOG,
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DISPENSER,
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BED,
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RAIL,
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RAIL_POWERED,
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RAIL_ASCENDING,
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RAIL_CORNER,
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TORCH,
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STAIR,
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CHEST,
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SIGNPOST,
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DOOR,
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LEVER,
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BUTTON,
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REDSTONE_REPEATER,
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TRAPDOOR,
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MUSHROOM_CAP,
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MUSHROOM_CAP_CORNER,
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MUSHROOM_CAP_SIDE,
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VINE,
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SKULL,
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ANVIL
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}
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private static final ForgeDirection[] UP_DOWN_AXES = new ForgeDirection[] { UP, DOWN };
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private static final Map<BlockType, BiMap<Integer, ForgeDirection>> MAPPINGS = new HashMap<BlockType, BiMap<Integer, ForgeDirection>>();
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public static ForgeDirection[] getValidVanillaBlockRotations(Block block)
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{
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return block instanceof BlockChest ? UP_DOWN_AXES : VALID_DIRECTIONS;
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return (block instanceof BlockBed || block instanceof BlockPumpkin || block instanceof BlockFenceGate || block instanceof BlockEndPortalFrame || block instanceof BlockTripWireSource || block instanceof BlockCocoa || block instanceof BlockRailPowered || block instanceof BlockDetectorRail || block instanceof BlockStairs || block instanceof BlockChest || block instanceof BlockEnderChest || block instanceof BlockFurnace || block instanceof BlockLadder || block.blockID == Block.signWall.blockID || block.blockID == Block.signPost.blockID || block instanceof BlockDoor || block instanceof BlockRail || block instanceof BlockButton || block instanceof BlockRedstoneRepeater || block instanceof BlockComparator || block instanceof BlockTrapDoor || block instanceof BlockMushroomCap || block instanceof BlockVine || block instanceof BlockSkull || block instanceof BlockAnvil) ? UP_DOWN_AXES : VALID_DIRECTIONS;
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}
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public static boolean rotateVanillaBlock(Block block, World worldObj, int x, int y, int z, ForgeDirection axis)
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@ -23,25 +86,323 @@ public class RotationHelper {
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return false;
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}
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if (block instanceof BlockChest && (axis == UP || axis == DOWN))
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if (axis == UP || axis == DOWN)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7);
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if (block instanceof BlockBed || block instanceof BlockPumpkin || block instanceof BlockFenceGate || block instanceof BlockEndPortalFrame || block instanceof BlockTripWireSource || block instanceof BlockCocoa)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x3, BlockType.BED);
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}
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if (block instanceof BlockRail)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0xF, BlockType.RAIL);
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}
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if (block instanceof BlockRailPowered || block instanceof BlockDetectorRail)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7, BlockType.RAIL_POWERED);
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}
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if (block instanceof BlockStairs)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x3, BlockType.STAIR);
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}
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if (block instanceof BlockChest || block instanceof BlockEnderChest || block instanceof BlockFurnace || block instanceof BlockLadder || block.blockID == Block.signWall.blockID)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7, BlockType.CHEST);
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}
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if (block.blockID == Block.signPost.blockID)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0xF, BlockType.SIGNPOST);
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}
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if (block instanceof BlockDoor)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x3, BlockType.DOOR);
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}
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if (block instanceof BlockButton)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7, BlockType.BUTTON);
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}
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if (block instanceof BlockRedstoneRepeater || block instanceof BlockComparator)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x3, BlockType.REDSTONE_REPEATER);
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}
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if (block instanceof BlockTrapDoor)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x3, BlockType.TRAPDOOR);
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}
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if (block instanceof BlockMushroomCap)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0xF, BlockType.MUSHROOM_CAP);
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}
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if (block instanceof BlockVine)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0xF, BlockType.VINE);
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}
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if (block instanceof BlockSkull)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7, BlockType.SKULL);
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}
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if (block instanceof BlockAnvil)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x1, BlockType.ANVIL);
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}
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}
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if (block instanceof BlockPistonBase || block instanceof BlockDropper || block instanceof BlockDispenser)
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if (block instanceof BlockLog)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7);
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return rotateBlock(worldObj, x, y, z, axis, 0xC, BlockType.LOG);
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}
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if (block instanceof BlockDispenser || block instanceof BlockPistonBase || block instanceof BlockPistonExtension || block instanceof BlockHopper)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7, BlockType.DISPENSER);
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}
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if (block instanceof BlockTorch)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0xF, BlockType.TORCH);
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}
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if (block instanceof BlockLever)
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{
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return rotateBlock(worldObj, x, y, z, axis, 0x7, BlockType.LEVER);
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}
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return false;
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}
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private static boolean rotateBlock(World worldObj, int x, int y, int z, ForgeDirection axis, int mask)
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private static boolean rotateBlock(World worldObj, int x, int y, int z, ForgeDirection axis, int mask, BlockType blockType)
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{
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int rotMeta = worldObj.getBlockMetadata(x, y, z);
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if (blockType == BlockType.DOOR && (rotMeta & 0x8) == 0x8)
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{
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return false;
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}
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int masked = rotMeta & ~mask;
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ForgeDirection orientation = ForgeDirection.getOrientation(rotMeta & mask);
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ForgeDirection rotated = orientation.getRotation(axis);
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worldObj.setBlockMetadataWithNotify(x,y,z,rotated.ordinal() & mask | masked,3);
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int meta = rotateMetadata(axis, blockType, rotMeta & mask);
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if (meta == -1)
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{
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return false;
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}
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worldObj.setBlockMetadataWithNotify(x, y, z, meta & mask | masked, 3);
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return true;
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}
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private static int rotateMetadata(ForgeDirection axis, BlockType blockType, int meta)
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{
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if (blockType == BlockType.RAIL || blockType == BlockType.RAIL_POWERED)
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{
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if (meta == 0x0 || meta == 0x1)
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{
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return ~meta & 0x1;
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}
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if (meta >= 0x2 && meta <= 0x5)
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{
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blockType = BlockType.RAIL_ASCENDING;
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}
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if (meta >= 0x6 && meta <= 0x9 && blockType == BlockType.RAIL)
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{
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blockType = BlockType.RAIL_CORNER;
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}
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}
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if (blockType == BlockType.SIGNPOST)
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{
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return (axis == UP) ? (meta + 0x4) % 0x10 : (meta + 0xC) % 0x10;
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}
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if (blockType == BlockType.LEVER && (axis == UP || axis == DOWN))
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{
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switch (meta)
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{
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case 0x5:
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return 0x6;
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case 0x6:
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return 0x5;
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case 0x7:
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return 0x0;
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case 0x0:
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return 0x7;
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}
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}
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if (blockType == BlockType.MUSHROOM_CAP)
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{
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if (meta % 0x2 == 0)
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{
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blockType = BlockType.MUSHROOM_CAP_SIDE;
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}
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else
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{
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blockType = BlockType.MUSHROOM_CAP_CORNER;
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}
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}
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if (blockType == BlockType.VINE)
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{
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return ((meta << 1) | ((meta & 0x8) >> 3));
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}
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ForgeDirection orientation = metadataToDirection(blockType, meta);
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ForgeDirection rotated = orientation.getRotation(axis);
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return directionToMetadata(blockType, rotated);
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}
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private static ForgeDirection metadataToDirection(BlockType blockType, int meta)
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{
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if (blockType == BlockType.LEVER)
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{
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if (meta == 0x6)
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{
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meta = 0x5;
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}
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else if (meta == 0x0)
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{
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meta = 0x7;
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}
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}
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if (MAPPINGS.containsKey(blockType))
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{
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BiMap<Integer, ForgeDirection> biMap = MAPPINGS.get(blockType);
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if (biMap.containsKey(meta))
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{
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return biMap.get(meta);
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}
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}
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if (blockType == BlockType.TORCH)
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{
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return ForgeDirection.getOrientation(6 - meta);
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}
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if (blockType == BlockType.STAIR)
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{
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return ForgeDirection.getOrientation(5 - meta);
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}
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if (blockType == BlockType.CHEST || blockType == BlockType.DISPENSER || blockType == BlockType.SKULL)
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{
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return ForgeDirection.getOrientation(meta);
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}
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if (blockType == BlockType.BUTTON)
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{
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return ForgeDirection.getOrientation(6 - meta);
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}
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if (blockType == BlockType.TRAPDOOR)
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{
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return ForgeDirection.getOrientation(meta + 2).getOpposite();
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}
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return ForgeDirection.UNKNOWN;
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}
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private static int directionToMetadata(BlockType blockType, ForgeDirection direction)
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{
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if ((blockType == BlockType.LOG || blockType == BlockType.ANVIL) && (direction.offsetX + direction.offsetY + direction.offsetZ) < 0)
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{
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direction = direction.getOpposite();
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}
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if (MAPPINGS.containsKey(blockType))
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{
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BiMap<ForgeDirection, Integer> biMap = MAPPINGS.get(blockType).inverse();
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if (biMap.containsKey(direction))
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{
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return biMap.get(direction);
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}
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}
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if (blockType == BlockType.TORCH)
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{
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if (direction.ordinal() >= 1)
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{
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return 6 - direction.ordinal();
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}
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}
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if (blockType == BlockType.STAIR)
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{
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return 5 - direction.ordinal();
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}
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if (blockType == BlockType.CHEST || blockType == BlockType.DISPENSER || blockType == BlockType.SKULL)
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{
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return direction.ordinal();
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}
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if (blockType == BlockType.BUTTON)
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{
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if (direction.ordinal() >= 2)
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{
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return 6 - direction.ordinal();
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}
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}
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if (blockType == BlockType.TRAPDOOR)
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{
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return direction.getOpposite().ordinal() - 2;
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}
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return -1;
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}
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static
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{
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BiMap<Integer, ForgeDirection> biMap;
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biMap = HashBiMap.create(3);
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biMap.put(0x0, UP);
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biMap.put(0x4, EAST);
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biMap.put(0x8, SOUTH);
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MAPPINGS.put(BlockType.LOG, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x0, SOUTH);
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biMap.put(0x1, WEST);
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biMap.put(0x2, NORTH);
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biMap.put(0x3, EAST);
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MAPPINGS.put(BlockType.BED, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x2, EAST);
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biMap.put(0x3, WEST);
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biMap.put(0x4, NORTH);
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biMap.put(0x5, SOUTH);
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MAPPINGS.put(BlockType.RAIL_ASCENDING, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x6, WEST);
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biMap.put(0x7, NORTH);
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biMap.put(0x8, EAST);
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biMap.put(0x9, SOUTH);
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MAPPINGS.put(BlockType.RAIL_CORNER, biMap);
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biMap = HashBiMap.create(6);
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biMap.put(0x1, EAST);
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biMap.put(0x2, WEST);
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biMap.put(0x3, SOUTH);
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biMap.put(0x4, NORTH);
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biMap.put(0x5, UP);
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biMap.put(0x7, DOWN);
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MAPPINGS.put(BlockType.LEVER, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x0, WEST);
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biMap.put(0x1, NORTH);
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biMap.put(0x2, EAST);
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biMap.put(0x3, SOUTH);
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MAPPINGS.put(BlockType.DOOR, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x0, NORTH);
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biMap.put(0x1, EAST);
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biMap.put(0x2, SOUTH);
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biMap.put(0x3, WEST);
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MAPPINGS.put(BlockType.REDSTONE_REPEATER, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x1, EAST);
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biMap.put(0x3, SOUTH);
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biMap.put(0x7, NORTH);
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biMap.put(0x9, WEST);
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MAPPINGS.put(BlockType.MUSHROOM_CAP_CORNER, biMap);
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biMap = HashBiMap.create(4);
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biMap.put(0x2, NORTH);
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biMap.put(0x4, WEST);
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biMap.put(0x6, EAST);
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biMap.put(0x8, SOUTH);
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MAPPINGS.put(BlockType.MUSHROOM_CAP_SIDE, biMap);
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biMap = HashBiMap.create(2);
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biMap.put(0x0, SOUTH);
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biMap.put(0x1, EAST);
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MAPPINGS.put(BlockType.ANVIL, biMap);
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}
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}
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