ItemWrench.java

package infstudio.exoticpower.item;

import infstudio.exoticpower.ExoticPower;
import infstudio.exoticpower.api.item.IToolWrench;
import net.minecraft.block.Block;
import net.minecraft.block.BlockButton;
import net.minecraft.block.BlockChest;
import net.minecraft.block.BlockLever;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;

import java.util.HashSet;
import java.util.Set;

public class ItemWrench extends Item implements IToolWrench {

    private final Set<Class<? extends Block>> shiftRotations = new HashSet<Class<? extends Block>>();

    public ItemWrench() {
        super();
        this.setCreativeTab(ExoticPower.ept);
        this.setUnlocalizedName("epwrench");
        setFull3D();
        setMaxStackSize(1);
        shiftRotations.add(BlockLever.class);
        shiftRotations.add(BlockButton.class);
        shiftRotations.add(BlockChest.class);
        setHarvestLevel("wrench", 0);
        EPItems.itemList.add(this);
    }

    private boolean isShiftRotation(Class<? extends Block> class1) {
        for (Class<? extends Block> shift : shiftRotations) {
            if (shift.isAssignableFrom(class1)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean onItemUse(ItemStack stack, EntityPlayer playerIn, World worldIn, BlockPos pos, EnumFacing side, float hitX, float hitY, float hitZ) {
        Block block = worldIn.getBlockState(pos).getBlock();

        if (block == null) {
            return false;
        }

        if (playerIn.isSneaking() != isShiftRotation(block.getClass())) {
            return false;
        }

        if (block.rotateBlock(worldIn, pos, side)) {
            playerIn.swingItem();
            return !worldIn.isRemote;
        }
        return false;
    }

    @Override
    public boolean canWrench(EntityPlayer player, BlockPos bp) {
        return true;
    }

    @Override
    public void wrenchUsed(EntityPlayer player, BlockPos bp) {
        player.swingItem();
    }

    @Override
    public boolean doesSneakBypassUse(World world, BlockPos bp, EntityPlayer player) {
        return true;
    }

}