CraftBlock.java 文件源码

public Collection<ItemStack> getDrops() {
    List<ItemStack> drops = new ArrayList<ItemStack>();

    net.minecraft.block.Block block = this.getNMSBlock();
    if (block != Blocks.air) {
        byte data = getData();
        // based on nms.Block.dropNaturally
        int count = block.quantityDroppedWithBonus(0, chunk.getHandle().worldObj.rand);
        for (int i = 0; i < count; ++i) {
            Item item = block.getItemDropped(data, chunk.getHandle().worldObj.rand, 0);
            if (item != null) {
                // Skulls are special, their data is based on the tile entity
                if (Blocks.skull == block) {
                    net.minecraft.item.ItemStack nmsStack = new net.minecraft.item.ItemStack(item, 1, block.getDamageValue(chunk.getHandle().worldObj, x, y, z));
                    TileEntitySkull tileentityskull = (TileEntitySkull) chunk.getHandle().worldObj.getTileEntity(x, y, z);

                    if (tileentityskull.func_145904_a() == 3 && tileentityskull.func_152108_a() != null) {
                        nmsStack.setTagCompound(new NBTTagCompound());
                        NBTTagCompound nbttagcompound = new NBTTagCompound();

                        NBTUtil.func_152460_a(nbttagcompound, tileentityskull.func_152108_a());
                        nmsStack.getTagCompound().setTag("SkullOwner", nbttagcompound);
                    }

                    drops.add(CraftItemStack.asBukkitCopy(nmsStack));
                    // We don't want to drop cocoa blocks, we want to drop cocoa beans.
                } else if (Blocks.cocoa == block) {
                    int dropAmount = (BlockCocoa.func_149987_c(data) >= 2 ? 3 : 1);
                    for (int j = 0; j < dropAmount; ++j) {
                        drops.add(new ItemStack(Material.INK_SACK, 1, (short) 3));
                    }
                } else {
                    drops.add(new ItemStack(org.bukkit.craftbukkit.util.CraftMagicNumbers.getMaterial(item), 1, (short) block.damageDropped(data)));
                }
            }
        }
    }
    return drops;
}