EssenceWrench.java

package com.teamacronymcoders.essence.items.misc.wrench;

import com.teamacronymcoders.essence.Essence;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.client.util.ITooltipFlag;
import net.minecraft.entity.item.ItemEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemUseContext;
import net.minecraft.item.Rarity;
import net.minecraft.nbt.CompoundNBT;
import net.minecraft.state.IProperty;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ActionResultType;
import net.minecraft.util.Rotation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.text.ITextComponent;
import net.minecraft.util.text.TranslationTextComponent;
import net.minecraft.world.World;
import net.minecraftforge.common.util.Constants;

import javax.annotation.Nullable;
import java.util.List;

public class EssenceWrench extends Item {

    private final WrenchModeEnum mode;

    public EssenceWrench() {
        super(new Item.Properties().group(Essence.TOOL_TAB).maxStackSize(1).maxDamage(0).rarity(Rarity.RARE));
        this.mode = WrenchModeEnum.SERIALIZE;
    }

    @Override
    public ActionResultType onItemUseFirst(ItemStack stack, ItemUseContext context) {
        World world = context.getWorld();
        BlockPos pos = context.getPos();
        BlockState state = world.getBlockState(pos);
        PlayerEntity player = context.getPlayer();

        if (mode == WrenchModeEnum.SERIALIZE) {
            TileEntity te = world.getTileEntity(pos);
            ItemStack drop = new ItemStack(state.getBlock());
            CompoundNBT stateNBT = new CompoundNBT();
            state.getProperties().forEach(iProperty -> stateNBT.putString(iProperty.getName(),  getStatePropertyValue(state, iProperty)));
            drop.setTagInfo("BlockStateTag", stateNBT);

            if (te != null) {
                drop.setTagInfo("BlockEntityTag", te.serializeNBT());
            }

            world.setBlockState(pos, Blocks.AIR.getDefaultState(), Constants.BlockFlags.DEFAULT_AND_RERENDER);

            ItemEntity itemEntity = new ItemEntity(world, pos.getX(), pos.getY(), pos.getZ(), drop);
            itemEntity.setDefaultPickupDelay();
            world.addEntity(itemEntity);

            return ActionResultType.SUCCESS;
        }
        if (mode == WrenchModeEnum.ROTATE) {
            if (player != null && player.isShiftKeyDown()) {
                state.rotate(Rotation.CLOCKWISE_180);
            }
            state.rotate(Rotation.CLOCKWISE_90);
            return ActionResultType.SUCCESS;
        }
        return ActionResultType.PASS;
    }

    private static <T extends Comparable<T>> String getStatePropertyValue(BlockState state, IProperty<T> property) {
        T prop = state.get(property);
        return property.getName(prop);
    }

    @Override
    public void addInformation(ItemStack stack, @Nullable World world, List<ITextComponent> list, ITooltipFlag flag) {
        list.add(new TranslationTextComponent("essence.wrench.mode.tooltip").appendText(": ").appendSibling(new TranslationTextComponent(mode.getLocaleName())));
    }
}