cn.nukkit.block.BlockRedstoneLamp 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.PowerNukkitDifference;
import cn.nukkit.event.redstone.RedstoneUpdateEvent;
import cn.nukkit.item.Item;
import cn.nukkit.item.ItemBlock;
import cn.nukkit.item.ItemTool;
import cn.nukkit.level.Level;
import cn.nukkit.math.BlockFace;
import cn.nukkit.utils.BlockColor;
import cn.nukkit.utils.RedstoneComponent;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * @author Nukkit Project Team
 */
@PowerNukkitDifference(info = "Implements RedstoneComponent.", since = "1.4.0.0-PN")
public class BlockRedstoneLamp extends BlockSolid implements RedstoneComponent {

    public BlockRedstoneLamp() {
    }

    @Override
    public String getName() {
        return "Redstone Lamp";
    }

    @Override
    public int getId() {
        return REDSTONE_LAMP;
    }

    @Override
    public double getHardness() {
        return 0.3D;
    }

    @Override
    public double getResistance() {
        return 1.5D;
    }

    @Override
    public int getToolType() {
        return ItemTool.TYPE_PICKAXE;
    }

    @PowerNukkitDifference(info = "Using new method for checking if powered", since = "1.4.0.0-PN")
    @Override
    public boolean place(@Nonnull Item item, @Nonnull Block block, @Nonnull Block target, @Nonnull BlockFace face, double fx, double fy, double fz, @Nullable Player player) {
        if (this.isGettingPower()) {
            this.level.setBlock(this, Block.get(BlockID.LIT_REDSTONE_LAMP), false, true);
        } else {
            this.level.setBlock(this, this, false, true);
        }
        return true;
    }

    @PowerNukkitDifference(info = "Redstone Event after Block powered check + use #isGettingPower() method" +
            " + trigger observer.", since = "1.4.0.0-PN")
    @Override
    public int onUpdate(int type) {
        if (type == Level.BLOCK_UPDATE_NORMAL || type == Level.BLOCK_UPDATE_REDSTONE) {
            if (!this.level.getServer().isRedstoneEnabled()) {
                return 0;
            }

            if (this.isGettingPower()) {
                // Redstone event
                RedstoneUpdateEvent ev = new RedstoneUpdateEvent(this);
                getLevel().getServer().getPluginManager().callEvent(ev);
                if (ev.isCancelled()) {
                    return 0;
                }

                this.level.updateComparatorOutputLevelSelective(this, true);

                this.level.setBlock(this, Block.get(BlockID.LIT_REDSTONE_LAMP), false, false);
                return 1;
            }
        }

        return 0;
    }

    @Override
    public Item[] getDrops(Item item) {
        return new Item[]{
                new ItemBlock(Block.get(BlockID.REDSTONE_LAMP))
        };
    }

    @Override
    public BlockColor getColor() {
        return BlockColor.AIR_BLOCK_COLOR;
    }
}