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cn.nukkit.block.BlockHopper Maven / Gradle / Ivy
package cn.nukkit.block;
import cn.nukkit.Player;
import cn.nukkit.Server;
import cn.nukkit.api.*;
import cn.nukkit.blockentity.BlockEntity;
import cn.nukkit.blockentity.BlockEntityHopper;
import cn.nukkit.blockproperty.BlockProperties;
import cn.nukkit.entity.Entity;
import cn.nukkit.entity.item.EntityItem;
import cn.nukkit.event.inventory.InventoryMoveItemEvent;
import cn.nukkit.inventory.ContainerInventory;
import cn.nukkit.inventory.Inventory;
import cn.nukkit.inventory.InventoryHolder;
import cn.nukkit.inventory.RecipeInventoryHolder;
import cn.nukkit.item.Item;
import cn.nukkit.item.ItemHopper;
import cn.nukkit.item.ItemTool;
import cn.nukkit.level.Level;
import cn.nukkit.level.Position;
import cn.nukkit.math.AxisAlignedBB;
import cn.nukkit.math.BlockFace;
import cn.nukkit.math.Vector3;
import cn.nukkit.nbt.tag.CompoundTag;
import cn.nukkit.nbt.tag.ListTag;
import cn.nukkit.utils.Faceable;
import cn.nukkit.utils.RedstoneComponent;
import org.jetbrains.annotations.NotNull;
import javax.annotation.Nullable;
import static cn.nukkit.blockproperty.CommonBlockProperties.FACING_DIRECTION;
import static cn.nukkit.blockproperty.CommonBlockProperties.TOGGLE;
/**
* @author CreeperFace
*/
@PowerNukkitDifference(since = "1.4.0.0-PN", info = "Implements BlockEntityHolder only in PowerNukkit")
@PowerNukkitDifference(info = "Implements RedstoneComponent.", since = "1.4.0.0-PN")
public class BlockHopper extends BlockTransparentMeta implements RedstoneComponent, Faceable, BlockEntityHolder {
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static final BlockProperties PROPERTIES = new BlockProperties(FACING_DIRECTION, TOGGLE);
public BlockHopper() {
this(0);
}
public BlockHopper(int meta) {
super(meta);
}
@Override
public int getId() {
return HOPPER_BLOCK;
}
@Since("1.4.0.0-PN")
@PowerNukkitOnly
@NotNull
@Override
public BlockProperties getProperties() {
return PROPERTIES;
}
@Since("1.4.0.0-PN")
@PowerNukkitOnly
@NotNull
@Override
public Class getBlockEntityClass() {
return BlockEntityHopper.class;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
@NotNull
@Override
public String getBlockEntityType() {
return BlockEntity.HOPPER;
}
@Override
public String getName() {
return "Hopper Block";
}
@Override
public double getHardness() {
return 3;
}
@Override
public double getResistance() {
return 24;
}
@PowerNukkitOnly
@Override
public int getWaterloggingLevel() {
return 1;
}
@PowerNukkitDifference(info = "Using new method for checking if powered", since = "1.4.0.0-PN")
@Override
public boolean place(@NotNull Item item, @NotNull Block block, @NotNull Block target, @NotNull BlockFace face, double fx, double fy, double fz, @Nullable Player player) {
BlockFace facing = face.getOpposite();
if (facing == BlockFace.UP) {
facing = BlockFace.DOWN;
}
setBlockFace(facing);
if (this.level.getServer().isRedstoneEnabled()) {
boolean powered = this.isGettingPower();
if (powered == this.isEnabled()) {
this.setEnabled(!powered);
}
}
CompoundTag nbt = new CompoundTag().putList(new ListTag<>("Items"));
return BlockEntityHolder.setBlockAndCreateEntity(this, true, true, nbt) != null;
}
@Override
public boolean onActivate(@NotNull Item item, Player player) {
if (player == null) {
return false;
}
BlockEntityHopper blockEntity = getOrCreateBlockEntity();
return player.addWindow(blockEntity.getInventory()) != -1;
}
@Override
public boolean canBeActivated() {
return true;
}
@Override
public boolean hasComparatorInputOverride() {
return true;
}
@Override
public int getComparatorInputOverride() {
BlockEntityHopper blockEntity = getBlockEntity();
if (blockEntity != null) {
return ContainerInventory.calculateRedstone(blockEntity.getInventory());
}
return super.getComparatorInputOverride();
}
@Deprecated
@DeprecationDetails(since = "1.4.0.0-PN", replaceWith = "getBlockFace()", reason = "Duplicated")
public BlockFace getFacing() {
return getBlockFace();
}
public boolean isEnabled() {
return !getBooleanValue(TOGGLE);
}
public void setEnabled(boolean enabled) {
setBooleanValue(TOGGLE, !enabled);
}
@Override
public int onUpdate(int type) {
if (!this.level.getServer().isRedstoneEnabled()) {
return 0;
}
if (type == Level.BLOCK_UPDATE_NORMAL || type == Level.BLOCK_UPDATE_REDSTONE) {
boolean disabled = this.level.isBlockPowered(this.getLocation());
if (disabled == this.isEnabled()) {
this.setEnabled(!disabled);
this.level.setBlock(this, this, false, true);
BlockEntityHopper be = getBlockEntity();
if (be != null) {
be.setDisabled(disabled);
if (!disabled) {
be.scheduleUpdate();
}
}
}
return type;
}
return 0;
}
@Override
public int getToolType() {
return ItemTool.TYPE_PICKAXE;
}
@Override
@PowerNukkitOnly
public int getToolTier() {
return ItemTool.TIER_WOODEN;
}
@Override
public Item toItem() {
return new ItemHopper();
}
@Override
public boolean canHarvestWithHand() {
return false;
}
@Since("1.4.0.0-PN")
@PowerNukkitOnly
@Override
public void setBlockFace(BlockFace face) {
setPropertyValue(FACING_DIRECTION, face);
}
@Override
public BlockFace getBlockFace() {
return getPropertyValue(FACING_DIRECTION);
}
@Since("1.3.0.0-PN")
@PowerNukkitOnly
@Override
public boolean isSolid(BlockFace side) {
return side == BlockFace.UP;
}
@PowerNukkitXOnly
@Since("1.19.60-r1")
public interface IHopper {
Position getPosition();
default boolean pullItems(InventoryHolder hopperHolder, Position hopperPos) {
var hopperInv = hopperHolder.getInventory();
if (hopperInv.isFull())
return false;
Block blockSide = hopperPos.getSide(BlockFace.UP).getTickCachedLevelBlock();
BlockEntity blockEntity = hopperPos.level.getBlockEntity(new Vector3().setComponentsAdding(hopperPos, BlockFace.UP));
if (blockEntity instanceof InventoryHolder) {
Inventory inv = blockEntity instanceof RecipeInventoryHolder recipeInventoryHolder ? recipeInventoryHolder.getProductView() : ((InventoryHolder) blockEntity).getInventory();
for (int i = 0; i < inv.getSize(); i++) {
Item item = inv.getItem(i);
if (!item.isNull()) {
Item itemToAdd = item.clone();
itemToAdd.count = 1;
if (!hopperInv.canAddItem(itemToAdd))
continue;
InventoryMoveItemEvent ev = new InventoryMoveItemEvent(inv, hopperInv, hopperHolder, itemToAdd, InventoryMoveItemEvent.Action.SLOT_CHANGE);
Server.getInstance().getPluginManager().callEvent(ev);
if (ev.isCancelled())
continue;
Item[] items = hopperInv.addItem(itemToAdd);
if (items.length >= 1)
continue;
item.count--;
inv.setItem(i, item);
return true;
}
}
} else if (blockSide instanceof BlockComposter blockComposter) {
if (blockComposter.isFull()) {
//检查是否能输入
if (!hopperInv.canAddItem(blockComposter.getOutPutItem()))
return false;
//Will call BlockComposterEmptyEvent
var item = blockComposter.empty();
if (item == null || item.isNull())
return false;
Item itemToAdd = item.clone();
itemToAdd.count = 1;
Item[] items = hopperInv.addItem(itemToAdd);
return items.length < 1;
}
}
return false;
}
default boolean pickupItems(InventoryHolder hopperHolder, Position hopperPos, AxisAlignedBB pickupArea) {
var hopperInv = hopperHolder.getInventory();
if (hopperInv.isFull())
return false;
boolean pickedUpItem = false;
for (Entity entity : hopperPos.level.getCollidingEntities(pickupArea)) {
if (entity.isClosed() || !(entity instanceof EntityItem itemEntity))
continue;
Item item = itemEntity.getItem();
if (item.isNull() || !hopperInv.canAddItem(item))
continue;
int originalCount = item.getCount();
InventoryMoveItemEvent ev = new InventoryMoveItemEvent(null, hopperInv, hopperHolder, item, InventoryMoveItemEvent.Action.PICKUP);
Server.getInstance().getPluginManager().callEvent(ev);
if (ev.isCancelled())
continue;
Item[] items = hopperInv.addItem(item);
if (items.length == 0) {
entity.close();
pickedUpItem = true;
continue;
}
if (items[0].getCount() != originalCount) {
pickedUpItem = true;
item.setCount(items[0].getCount());
}
}
return pickedUpItem;
}
}
}
