ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemChestToCrateUpgrade.java

///*
// * This file ("ItemChestToCrateUpgrade.java") is part of the Actually Additions mod for Minecraft.
// * It is created and owned by Ellpeck and distributed
// * under the Actually Additions License to be found at
// * http://ellpeck.de/actaddlicense
// * View the source code at https://github.com/Ellpeck/ActuallyAdditions
// *
// * © 2015-2017 Ellpeck
// */
//
//package de.ellpeck.actuallyadditions.mod.items;
//
//import de.ellpeck.actuallyadditions.mod.items.base.ItemBase;
//import de.ellpeck.actuallyadditions.mod.tile.TileEntityInventoryBase;
//import de.ellpeck.actuallyadditions.mod.util.StackUtil;
//import net.minecraft.block.Block;
//import net.minecraft.entity.player.PlayerEntity;
//import net.minecraft.inventory.IInventory;
//import net.minecraft.item.EnumRarity;
//import net.minecraft.item.ItemStack;
//import net.minecraft.tileentity.TileEntity;
//import net.minecraft.util.Direction;
//import net.minecraft.util.EnumActionResult;
//import net.minecraft.util.Hand;
//import net.minecraft.util.math.BlockPos;
//import net.minecraft.world.World;
//import net.minecraftforge.items.IItemHandlerModifiable;
//import net.minecraftforge.items.wrapper.InvWrapper;
//
//public class ItemChestToCrateUpgrade extends ItemBase {
//
//    private final Class<? extends TileEntity> start;
//    private final BlockState end;
//
//    public ItemChestToCrateUpgrade(String name, Class<? extends TileEntity> start, BlockState end) {
//        super(name);
//        this.start = start;
//        this.end = end;
//    }
//
//    @Override
//    public EnumActionResult onItemUseFirst(PlayerEntity player, World world, BlockPos pos, Direction side, float hitX, float hitY, float hitZ, Hand hand) {
//        ItemStack heldStack = player.getHeldItem(hand);
//        if (player.isSneaking()) {
//            TileEntity tileHit = world.getTileEntity(pos);
//            if (tileHit != null && this.start.isInstance(tileHit)) {
//                if (!world.isRemote) {
//
//                    //Copy Slots
//                    IItemHandlerModifiable chest = null;
//                    if (tileHit instanceof IInventory) {
//                        chest = new InvWrapper((IInventory) tileHit);
//                    } else if (tileHit instanceof TileEntityInventoryBase) {
//                        chest = ((TileEntityInventoryBase) tileHit).inv;
//                    }
//
//                    if (chest != null) {
//                        ItemStack[] stacks = new ItemStack[chest.getSlots()];
//                        for (int i = 0; i < stacks.length; i++) {
//                            ItemStack aStack = chest.getStackInSlot(i);
//                            stacks[i] = aStack.copy();
//                        }
//
//                        //Set New Block
//                        world.playEvent(2001, pos, Block.getStateId(world.getBlockState(pos)));
//
//                        world.removeTileEntity(pos);
//                        world.setBlockState(pos, this.end, 2);
//                        if (!player.isCreative()) {
//                            heldStack.shrink(1);
//                        }
//
//                        //Copy Items into new Chest
//                        TileEntity newTileHit = world.getTileEntity(pos);
//                        if (newTileHit instanceof TileEntityInventoryBase) {
//                            IItemHandlerModifiable newChest = ((TileEntityInventoryBase) newTileHit).inv;
//
//                            for (int i = 0; i < stacks.length; i++) {
//                                if (StackUtil.isValid(stacks[i])) {
//                                    if (newChest.getSlots() > i) {
//                                        newChest.setStackInSlot(i, stacks[i].copy());
//                                    }
//                                }
//                            }
//                        }
//                    }
//                }
//                return EnumActionResult.SUCCESS;
//            }
//        }
//
//        return EnumActionResult.PASS;
//    }
//
//    @Override
//    public EnumRarity getRarity(ItemStack stack) {
//        return EnumRarity.RARE;
//    }
//}