cn.nukkit.blockentity.BlockEntityItemFrame Java Examples

private void registerBlockEntities() {
    BlockEntity.registerBlockEntity(BlockEntity.FURNACE, BlockEntityFurnace.class);
    BlockEntity.registerBlockEntity(BlockEntity.CHEST, BlockEntityChest.class);
    BlockEntity.registerBlockEntity(BlockEntity.SIGN, BlockEntitySign.class);
    BlockEntity.registerBlockEntity(BlockEntity.ENCHANT_TABLE, BlockEntityEnchantTable.class);
    BlockEntity.registerBlockEntity(BlockEntity.SKULL, BlockEntitySkull.class);
    BlockEntity.registerBlockEntity(BlockEntity.FLOWER_POT, BlockEntityFlowerPot.class);
    BlockEntity.registerBlockEntity(BlockEntity.BREWING_STAND, BlockEntityBrewingStand.class);
    BlockEntity.registerBlockEntity(BlockEntity.ITEM_FRAME, BlockEntityItemFrame.class);
    BlockEntity.registerBlockEntity(BlockEntity.CAULDRON, BlockEntityCauldron.class);
    BlockEntity.registerBlockEntity(BlockEntity.ENDER_CHEST, BlockEntityEnderChest.class);
    BlockEntity.registerBlockEntity(BlockEntity.BEACON, BlockEntityBeacon.class);
    BlockEntity.registerBlockEntity(BlockEntity.SHULKER_BOX, BlockEntityShulkerBox.class);
    BlockEntity.registerBlockEntity(BlockEntity.MOB_SPAWNER, BlockEntityMobSpawner.class);
    BlockEntity.registerBlockEntity(BlockEntity.DISPENSER, BlockEntityDispenser.class);
    BlockEntity.registerBlockEntity(BlockEntity.DROPPER, BlockEntityDropper.class);
    BlockEntity.registerBlockEntity(BlockEntity.COMMAND_BLOCK, BlockEntityCommandBlock.class);
    BlockEntity.registerBlockEntity(BlockEntity.BANNER, BlockEntityBanner.class);
}
 

@Override
public boolean onActivate(Item item, Player player) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    if (itemFrame.getItem().getId() == Item.AIR) {
    	Item itemOnFrame = item.clone();
    	if (player != null && player.isSurvival()) {
    		itemOnFrame.setCount(itemOnFrame.getCount() - 1);
            player.getInventory().setItemInHand(itemOnFrame);
    	}
        itemOnFrame.setCount(1);
        itemFrame.setItem(itemOnFrame);
        this.getLevel().addSound(this, Sound.BLOCK_ITEMFRAME_ADD_ITEM);
    } else {
        itemFrame.setItemRotation((itemFrame.getItemRotation() + 1) % 8);
        this.getLevel().addSound(this, Sound.BLOCK_ITEMFRAME_ROTATE_ITEM);
    }
    return true;
}
 

@Override
public boolean place(Item item, Block block, Block target, BlockFace face, double fx, double fy, double fz, Player player) {
    if (face.getIndex() > 1 && target.isSolid() && (!block.isSolid() || block.canBeReplaced())) {
        this.setDamage(FACING[face.getIndex()]);
        this.getLevel().setBlock(block, this, true, true);
        CompoundTag nbt = new CompoundTag()
                .putString("id", BlockEntity.ITEM_FRAME)
                .putInt("x", (int) block.x)
                .putInt("y", (int) block.y)
                .putInt("z", (int) block.z)
                .putByte("ItemRotation", 0)
                .putFloat("ItemDropChance", 1.0f);
        if (item.hasCustomBlockData()) {
            for (Tag aTag : item.getCustomBlockData().getAllTags()) {
                nbt.put(aTag.getName(), aTag);
            }
        }
        BlockEntityItemFrame frame = (BlockEntityItemFrame) BlockEntity.createBlockEntity(BlockEntity.ITEM_FRAME, this.getLevel().getChunk((int) this.x >> 4, (int) this.z >> 4), nbt);
        if (frame == null) {
            return false;
        }
        this.getLevel().addSound(this, Sound.BLOCK_ITEMFRAME_PLACE);
        return true;
    }
    return false;
}
 

@Override
public boolean onActivate(Item item, Player player) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    if (itemFrame.getItem().getId() == Item.AIR) {
        // We can't use Item.get(item.getId(), item.getDamage(), 1) because
        // we need to keep the item's NBT tags
        Item itemOnFrame = item.clone(); // So we clone the item
        itemOnFrame.setCount(1); // Change it to only one item (if we keep +1, visual glitches will happen)
        itemFrame.setItem(itemOnFrame); // And then we set it on the item frame
        // The item will be removed from the player's hand a few lines ahead
        this.getLevel().addSound(new ItemFrameItemAddedSound(this));
        if (player != null && player.isSurvival()) {
            int count = item.getCount();
            if (count-- <= 0) {
                player.getInventory().setItemInHand(new ItemBlock(new BlockAir(), 0, 0));
                return true;
            }
            item.setCount(count);
            player.getInventory().setItemInHand(item);
        }
    } else {
        int itemRot = itemFrame.getItemRotation();
        if (itemRot >= 7) {
            itemRot = 0;
        } else {
            itemRot++;
        }
        itemFrame.setItemRotation(itemRot);
        this.getLevel().addSound(new ItemFrameItemRotated(this));
    }
    return true;
}
 

@Override
public int getComparatorInputOverride() {
    BlockEntity blockEntity = this.level.getBlockEntity(this);

    if (blockEntity instanceof BlockEntityItemFrame) {
        return ((BlockEntityItemFrame) blockEntity).getAnalogOutput();
    }

    return super.getComparatorInputOverride();
}
 

@Override
public Item[] getDrops(Item item) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    int chance = new Random().nextInt(100) + 1;
    if (itemFrame != null && chance <= (itemFrame.getItemDropChance() * 100)) {
        return new Item[]{
                toItem(), Item.get(itemFrame.getItem().getId(), itemFrame.getItem().getDamage(), 1)
        };
    } else {
        return new Item[]{
                toItem()
        };
    }
}
 

@Override
public boolean place(Item item, Block block, Block target, BlockFace face, double fx, double fy, double fz, Player player) {
    if (!target.isTransparent() && face.getIndex() > 1 && !block.isSolid()) {
        switch (face) {
            case NORTH:
                this.setDamage(3);
                break;
            case SOUTH:
                this.setDamage(2);
                break;
            case WEST:
                this.setDamage(1);
                break;
            case EAST:
                this.setDamage(0);
                break;
            default:
                return false;
        }
        this.getLevel().setBlock(block, this, true, true);
        CompoundTag nbt = new CompoundTag()
                .putString("id", BlockEntity.ITEM_FRAME)
                .putInt("x", (int) block.x)
                .putInt("y", (int) block.y)
                .putInt("z", (int) block.z)
                .putByte("ItemRotation", 0)
                .putFloat("ItemDropChance", 1.0f);
        if (item.hasCustomBlockData()) {
            for (Tag aTag : item.getCustomBlockData().getAllTags()) {
                nbt.put(aTag.getName(), aTag);
            }
        }
        new BlockEntityItemFrame(this.getLevel().getChunk((int) this.x >> 4, (int) this.z >> 4), nbt);
        this.getLevel().addSound(this, Sound.BLOCK_ITEMFRAME_PLACE);
        return true;
    }
    return false;
}
 

@Override
public boolean onActivate(Item item, Player player) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    if (itemFrame.getItem().getId() == Item.AIR) {
        // We can't use Item.get(item.getId(), item.getDamage(), 1) because
        // we need to keep the item's NBT tags
        Item itemOnFrame = item.clone(); // So we clone the item
        itemOnFrame.setCount(1); // Change it to only one item (if we keep +1, visual glitches will happen)
        itemFrame.setItem(itemOnFrame); // And then we set it on the item frame
        // The item will be removed from the player's hand a few lines ahead
        this.getLevel().addSound(this, Sound.BLOCK_ITEMFRAME_ADD_ITEM);
        if (player != null && player.isSurvival()) {
            int count = item.getCount();
            if (count-- <= 0) {
                player.getInventory().setItemInHand(new ItemBlock(new BlockAir(), 0, 0));
                return true;
            }
            item.setCount(count);
            player.getInventory().setItemInHand(item);
        }
    } else {
        int itemRot = itemFrame.getItemRotation();
        if (itemRot >= 7) {
            itemRot = 0;
        } else {
            itemRot++;
        }
        itemFrame.setItemRotation(itemRot);
        this.getLevel().addSound(this, Sound.BLOCK_ITEMFRAME_ROTATE_ITEM);
    }
    return true;
}
 

@Override
public int getComparatorInputOverride() {
    BlockEntity blockEntity = this.level.getBlockEntity(this);

    if (blockEntity instanceof BlockEntityItemFrame) {
        return ((BlockEntityItemFrame) blockEntity).getAnalogOutput();
    }

    return super.getComparatorInputOverride();
}
 

@Override
public Item[] getDrops(Item item) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    int chance = new Random().nextInt(100) + 1;
    if (itemFrame != null && chance <= (itemFrame.getItemDropChance() * 100)) {
        return new Item[]{
                toItem(), itemFrame.getItem().clone()
        };
    } else {
        return new Item[]{
                toItem()
        };
    }
}
 

@Override
public int getComparatorInputOverride() {
    BlockEntity blockEntity = this.level.getBlockEntity(this);

    if (blockEntity instanceof BlockEntityItemFrame) {
        return ((BlockEntityItemFrame) blockEntity).getAnalogOutput();
    }

    return super.getComparatorInputOverride();
}
 

@Override
public Item[] getDrops(Item item) {
    BlockEntity blockEntity = this.getLevel().getBlockEntity(this);
    BlockEntityItemFrame itemFrame = (BlockEntityItemFrame) blockEntity;
    int chance = new Random().nextInt(100) + 1;
    if (itemFrame != null && chance <= (itemFrame.getItemDropChance() * 100)) {
        return new Item[]{
                toItem(), Item.get(itemFrame.getItem().getId(), itemFrame.getItem().getDamage(), 1)
        };
    } else {
        return new Item[]{
                toItem()
        };
    }
}
 

@Override
public boolean place(Item item, Block block, Block target, BlockFace face, double fx, double fy, double fz, Player player) {
    if (!target.isTransparent() && face.getIndex() > 1 && !block.isSolid()) {
        switch (face) {
            case NORTH:
                this.meta = 3;
                break;
            case SOUTH:
                this.meta = 2;
                break;
            case WEST:
                this.meta = 1;
                break;
            case EAST:
                this.meta = 0;
                break;
            default:
                return false;
        }
        this.getLevel().setBlock(block, this, true, true);
        CompoundTag nbt = new CompoundTag()
                .putString("id", BlockEntity.ITEM_FRAME)
                .putInt("x", (int) block.x)
                .putInt("y", (int) block.y)
                .putInt("z", (int) block.z)
                .putByte("ItemRotation", 0)
                .putFloat("ItemDropChance", 1.0f);
        if (item.hasCustomBlockData()) {
            for (Tag aTag : item.getCustomBlockData().getAllTags()) {
                nbt.put(aTag.getName(), aTag);
            }
        }
        new BlockEntityItemFrame(this.getLevel().getChunk((int) this.x >> 4, (int) this.z >> 4), nbt);
        this.getLevel().addSound(new ItemFramePlacedSound(this));
        return true;
    }
    return false;
}
 

public BlockEntityItemFrame getItemFrame() {
    return itemFrame;
}
 

public ItemFrameDropItemEvent(Player player, Block block, BlockEntityItemFrame itemFrame, Item item) {
    super(block);
    this.player = player;
    this.itemFrame = itemFrame;
    this.item = item;
}
 

public BlockEntityItemFrame getItemFrame() {
    return itemFrame;
}
 

public ItemFrameDropItemEvent(Player player, Block block, BlockEntityItemFrame itemFrame, Item item) {
    super(block);
    this.player = player;
    this.itemFrame = itemFrame;
    this.item = item;
}
 

public ItemFrameDropItemEvent(Player player, Block block, BlockEntityItemFrame itemFrame, Item item) {
    super(block);
    this.player = player;
    this.itemFrame = itemFrame;
    this.item = item;
}
 

public BlockEntityItemFrame getItemFrame() {
    return itemFrame;
}