FishingGun

package club.scriptirc.fishinggun;

import org.bukkit.Bukkit;
import org.bukkit.GameMode;
import org.bukkit.Material;
import org.bukkit.entity.Arrow;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
import org.bukkit.event.EventHandler;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.block.Action;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;

/**
 * @pluginName FishingGun
 * @author MPMPES
 * @version 1.2
 * @description 玩家右键使用鱼竿时发射箭
 */
public class FishingGunPlugin extends JavaPlugin implements Listener {
    @Override
    public void onEnable() {
        Bukkit.getPluginManager().registerEvents(this, this);
        getLogger().info("[FishingGun] 插件已启用");
    }
    @Override
    public void onDisable() {
        getLogger().info("[FishingGun] 插件已禁用");
    }
    @EventHandler
    public void onPlayerUseFishingRod(PlayerInteractEvent event) {
        Player player = event.getPlayer();
        // 仅处理主手或副手的右键
        EquipmentSlot hand = event.getHand();
        if (hand != EquipmentSlot.HAND && hand != EquipmentSlot.OFF_HAND) {
            return;
        }
        // 仅处理右键点击
        if (event.getAction() != Action.RIGHT_CLICK_AIR && event.getAction() != Action.RIGHT_CLICK_BLOCK) {
            return;
        }
        // 获取对应手的物品
        ItemStack item = player.getInventory().getItem(hand);
        if (item == null || item.getType() != Material.FISHING_ROD) {
            return;
        }
        // 取消原版鱼竿事件（阻止抛线动画）
        event.setCancelled(true);
        // 创造模式不消耗耐久
        if (player.getGameMode() == GameMode.CREATIVE) {
            launchArrow(player);
            return;
        }
        // 生存/冒险模式处理耐久消耗
        handleDurability(player, item, hand);
    }
    /**
     * 发射箭矢（核心逻辑）
     */
    private void launchArrow(Player player) {
        Arrow arrow = player.launchProjectile(Arrow.class, player.getLocation().getDirection().multiply(2.5));
        arrow.setShooter(player);
        arrow.setPickupStatus(Arrow.PickupStatus.DISALLOWED);
        player.getWorld().playSound(player.getLocation(), "minecraft:entity.arrow.shoot", 1.0f, 1.2f);
    }
    /**
     * 处理鱼竿耐久消耗（支持主副手）
     */
    private void handleDurability(Player player, ItemStack item, EquipmentSlot hand) {
        short durability = item.getDurability();
        short maxDurability = item.getType().getMaxDurability();
        // 耐久已耗尽
        if (durability >= maxDurability) {
            return;
        }
        // 消耗1点耐久
        short newDurability = (short) (durability + 1);
        item.setDurability(newDurability);
        // 耐久耗尽时清除对应手的物品
        if (newDurability >= maxDurability) {
            if (hand == EquipmentSlot.HAND) {
                player.getInventory().setItemInMainHand(null);
            } else {
                player.getInventory().setItemInOffHand(null);
            }
        }
        // 注意：耐久未耗尽时无需重新设置物品，因为item是库存的引用
        // 发射箭矢
        launchArrow(player);
    }
}