Method canDestroy

src/main/java/net/minecraft/item/ItemStack.java:1032–1061

(Block blockIn)

    }

    public boolean canDestroy(Block blockIn)
    {
        if (blockIn == this.canDestroyCacheBlock)
        {
            return this.canDestroyCacheResult;
        }
        else
        {
            this.canDestroyCacheBlock = blockIn;

            if (this.hasTagCompound() && this.stackTagCompound.hasKey("CanDestroy", 9))
            {
                NBTTagList nbttaglist = this.stackTagCompound.getTagList("CanDestroy", 8);

                for (int i = 0; i < nbttaglist.tagCount(); ++i)
                {
                    Block block = Block.getBlockFromName(nbttaglist.getStringTagAt(i));

                    if (block == blockIn)
                    {
                        this.canDestroyCacheResult = true;
                        return true;
                    }
                }
            }

            this.canDestroyCacheResult = false;
            return false;
        }
    }

    public boolean canPlaceOn(Block blockIn)
    {