Java 类net.minecraft.item.ItemNameTag 实例源码

public boolean instanceOf(IItemType type) {
    if (type.equals(IItemType.ItemFishingRod)) {
        return item instanceof ItemFishingRod;
    } else if (type.equals(IItemType.ItemPotion)) {
        return item instanceof ItemPotion;
    } else if (type.equals(IItemType.ItemFood)) {
        return item instanceof ItemFood;
    } else if (type.equals(IItemType.ItemSword)) {
        return item instanceof ItemSword;
    } else if (type.equals(IItemType.ItemTool)) {
        return item instanceof ItemTool;
    } else if (type.equals(IItemType.ItemNameTag)) {
        return item instanceof ItemNameTag;
    } else if (type.equals(IItemType.ItemBlock)) {
        return item instanceof ItemBlock;
    } else if (type.equals(IItemType.ItemHoe)) {
        return item instanceof ItemHoe;
    }
    return false;
}

@Override
public void onEnable() {
    if (Minecraft.getMinecraft().thePlayer.inventory.getCurrentItem() == null ||
            !(Minecraft.getMinecraft().thePlayer.inventory.getCurrentItem().getItem() instanceof ItemNameTag)) {
        WurstClient.INSTANCE.chat.error("You are not holding a nametag in your hand.");
        setEnabled(false);
        return;
    } else if (!Minecraft.getMinecraft().thePlayer.capabilities.isCreativeMode) {
        WurstClient.INSTANCE.chat.error("Creative mode only.");
        setEnabled(false);
        return;
    }
    String stackName = "";
    for (int i = 0; i < 3000; i++) {
        StringBuilder builder = new StringBuilder().append(stackName);
        stackName = builder.append("############").toString();
    }
    Minecraft.getMinecraft().thePlayer.inventory.getCurrentItem().setStackDisplayName(stackName);
    Minecraft.getMinecraft().displayGuiScreen(new GuiInventory(Minecraft.getMinecraft().thePlayer));
    Minecraft.getMinecraft().thePlayer.closeScreen();
    WurstClient.INSTANCE.chat.message("CrashItem created. Right click a mob with it.");
    setEnabled(false);
}

@Override
public boolean processInteract(EntityPlayer player, EnumHand hand) {
    if (hand != EnumHand.MAIN_HAND) return true;

    if (!isDead) {
        final ItemStack heldItem = player.getHeldItemMainhand();
        if (heldItem.getItem() instanceof ItemNameTag) return false;

        if (world.isRemote) {
            if (player.isSneaking()) spawnPickupParticles();
        } else {
            if (player.isSneaking()) {
                ItemStack luggageItem = convertToItem();
                if (player.inventory.addItemStackToInventory(luggageItem)) {
                    setDead();
                    playSound(SoundEvents.ENTITY_ITEM_PICKUP, 0.5f, world.rand.nextFloat() * 0.1f + 0.9f);
                }
            } else {
                playSound(SoundEvents.BLOCK_CHEST_OPEN, 0.5f, world.rand.nextFloat() * 0.1f + 0.9f);
                player.openGui(OpenBlocks.instance, OpenBlocksGuiHandler.GuiId.luggage.ordinal(), player.world, getEntityId(), 0, 0);
            }
        }
    }
    return true;

}

@Override
public void onEnable()
{
    // check gamemode
    if(!WMinecraft.getPlayer().capabilities.isCreativeMode)
    {
        ChatUtils.error("Creative mode only.");
        setEnabled(false);
        return;
    }

    // check held item
    ItemStack heldStack = WMinecraft.getPlayer().inventory.getCurrentItem();
    if(heldStack == null || !(heldStack.getItem() instanceof ItemNameTag))
    {
        ChatUtils.error("You need a nametag in your hand.");
        setEnabled(false);
        return;
    }

    // modify held item
    StringBuilder stackName = new StringBuilder();
    for(int i = 0; i < 18000; i++)
        stackName.append('#');
    heldStack.setStackDisplayName(stackName.toString());

    // open & close the inventory
    // for some reason that's needed for the item to update
    mc.displayGuiScreen(new GuiInventory(WMinecraft.getPlayer()));
    WMinecraft.getPlayer().closeScreen();

    ChatUtils.message("Nametag modified.");
    setEnabled(false);
}

@Override
public boolean attackEntityFrom(DamageSource source, float amount) {
    if(world.isRemote)
        return false;

    if(source.isCreativePlayer()) {
        ItemStack heldItem = ((EntityPlayerMP)source.getEntity()).getHeldItemMainhand();

        if(heldItem != null) {
            if(heldItem.getItem() instanceof TeleporterItem) {
                return false;
            }
            if(heldItem.getItem() instanceof ItemNameTag) {
                this.setCustomNameTag(heldItem.getDisplayName());
                return false;
            }
            if(heldItem.getItem() instanceof WandItem) {
                return false;
            }
        }

        this.setDead();
        return true;
    }

    return false;
}

@SubscribeEvent
public void interactWithCreatures(EntityInteractEvent event)
{
    EntityPlayer player = event.entityPlayer;
    if (!event.entityPlayer.worldObj.isRemote)
    {
        if (Utils.notNullAndInstanceOf(event.target, EntitySpider.class))
        {
            if (Wearing.isWearingTheRightBackpack(player, "Spider"))
            {
                EntityFriendlySpider pet = new EntityFriendlySpider(event.target.worldObj);
                pet.setLocationAndAngles(event.target.posX, event.target.posY, event.target.posZ, event.target.rotationYaw, event.target.rotationPitch);
                event.target.setDead();
                event.entityPlayer.worldObj.spawnEntityInWorld(pet);
                event.entityPlayer.mountEntity(pet);
            }
        }
        if (Utils.notNullAndInstanceOf(event.target, EntityHorse.class))
        {
            ItemStack stack = player.getCurrentEquippedItem();
            EntityHorse horse = (EntityHorse) event.target;
            if (stack != null && stack.getItem() != null && stack.getItem() instanceof ItemNameTag && stack.hasDisplayName())
            {
                if (horse.getCustomNameTag() == null || horse.getCustomNameTag().equals("") && horse.isTame())
                {
                    horse.setTamedBy(player);
                    horse.tasks.addTask(4, new EntityAIHorseFollowOwner(horse, 1.5d, 2.0f, 20.0f));

                    if (horse.getAttributeMap().getAttributeInstance(SharedMonsterAttributes.followRange) != null)
                    {
                        horse.getAttributeMap().getAttributeInstance(SharedMonsterAttributes.followRange).setBaseValue(100.0D);
                        LogHelper.info("The horse follow range is now: " + horse.getEntityAttribute(SharedMonsterAttributes.followRange).getBaseValue());
                    }
                }
            }
        }
    }
    event.setResult(Event.Result.ALLOW);
}

private boolean isFindableItem(Item food) {
    return (food != null && !(food instanceof ItemFatCatUnko) &&
            !(food instanceof ItemFurball) && !(food instanceof ItemLead) &&
            !(food instanceof ItemNameTag));
}