cn.nukkit.block.BlockCommandBlock Maven / Gradle / Ivy

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There is a newer version: 1.20.40-r1
package cn.nukkit.block;

import cn.nukkit.Player;
import cn.nukkit.api.PowerNukkitOnly;
import cn.nukkit.api.PowerNukkitXOnly;
import cn.nukkit.api.Since;
import cn.nukkit.blockentity.BlockEntity;
import cn.nukkit.blockentity.BlockEntityCommandBlock;
import cn.nukkit.blockproperty.BlockProperties;
import cn.nukkit.blockproperty.BooleanBlockProperty;
import cn.nukkit.blockproperty.CommonBlockProperties;
import cn.nukkit.item.Item;
import cn.nukkit.item.ItemBlock;
import cn.nukkit.level.Level;
import cn.nukkit.math.BlockFace;
import cn.nukkit.utils.Faceable;
import org.jetbrains.annotations.NotNull;

import static cn.nukkit.blockproperty.CommonBlockProperties.FACING_DIRECTION;

//special thanks to wode
@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public class BlockCommandBlock  extends BlockSolidMeta implements Faceable, BlockEntityHolder{

    public static final BooleanBlockProperty CONDITIONAL_BIT = new BooleanBlockProperty("conditional_bit", false);
    public static final BlockProperties PROPERTIES = new BlockProperties(CONDITIONAL_BIT, CommonBlockProperties.FACING_DIRECTION);

    public BlockCommandBlock() {
        this(0);
    }

    public BlockCommandBlock(int meta) {
        super(meta);
    }

    @Override
    public BlockProperties getProperties() {
        return PROPERTIES;
    }

    @Override
    public int getId() {
        return BlockID.COMMAND_BLOCK;
    }

    @Override
    public String getName() {
        return "Impulse Command Block";
    }

    @Override
    public double getResistance() {
        return 6000000;
    }

    @Override
    public boolean canBePushed() {
        return false;
    }

    @Override
    public Item toItem() {
        return new ItemBlock(get(AIR));
    }

    @Override
    public boolean canHarvestWithHand() {
        return false;
    }

    @Override
    public boolean isBreakable(Item item) {
        return false;
    }

    @Override
    public BlockFace getBlockFace() {
        return getPropertyValue(FACING_DIRECTION);
    }

    @Override
    public boolean place(Item item, Block block, Block target, BlockFace face, double fx, double fy, double fz, Player player) {
        if (player != null) {
            if (!player.isCreative())
                return false;
            if (Math.abs(player.getFloorX() - this.x) < 2 && Math.abs(player.getFloorZ() - this.z) < 2) {
                double y = player.y + player.getEyeHeight();
                if (y - this.y > 2) {
                    this.setPropertyValue(FACING_DIRECTION, BlockFace.UP);
                } else if (this.y - y > 0) {
                    this.setPropertyValue(FACING_DIRECTION, BlockFace.DOWN);
                } else {
                    this.setPropertyValue(FACING_DIRECTION, player.getHorizontalFacing().getOpposite());
                }
            } else {
                this.setPropertyValue(FACING_DIRECTION, player.getHorizontalFacing().getOpposite());
            }
        } else {
            this.setPropertyValue(FACING_DIRECTION, BlockFace.DOWN);
        }
        return BlockEntityHolder.setBlockAndCreateEntity(this, true, true) != null;
    }

    @Override
    public boolean canBeActivated() {
        return true;
    }

    @Override
    public boolean onActivate(Item item, Player player) {
        if (player != null) {
            BlockEntityCommandBlock tile = this.getOrCreateBlockEntity();
            tile.spawnTo(player);
            player.addWindow(tile.getInventory());
        }
        return true;
    }

    @Override
    public int onUpdate(int type) {
        if (type == Level.BLOCK_UPDATE_NORMAL || type == Level.BLOCK_UPDATE_REDSTONE) {
            BlockEntityCommandBlock tile = this.getBlockEntity();
            if (tile == null)
                return super.onUpdate(type);
            if (this.isGettingPower()) {
                if (!tile.isPowered()) {
                    tile.setPowered();
                    tile.trigger();
                }
            } else {
                tile.setPowered(false);
            }
        }
        return super.onUpdate(type);
    }

    @Override
    public boolean hasComparatorInputOverride() {
        return true;
    }

    @Override
    public int getComparatorInputOverride() {
        return Math.min(this.getOrCreateBlockEntity().getSuccessCount(), 0xf);
    }

    @Since("1.4.0.0-PN")
    @PowerNukkitOnly
    @NotNull
    @Override
    public Class getBlockEntityClass() {
        return BlockEntityCommandBlock.class;
    }

    @Since("1.4.0.0-PN")
    @PowerNukkitOnly
    @NotNull
    @Override
    public String getBlockEntityType() {
        return BlockEntity.COMMAND_BLOCK;
    }
}