原创 开源 娱乐 机械 EasyTNT 1.0

package org.bugcraft.tntduper;

import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.Dispenser;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.TNTPrimed;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockDispenseEvent;
import org.bukkit.event.block.BlockPistonExtendEvent;
import org.bukkit.event.block.BlockPistonRetractEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.util.Vector;

public class TNTDuper extends JavaPlugin implements Listener {

    @Override
    public void onEnable() {
        getServer().getPluginManager().registerEvents(this, this);
        getLogger().info("TNTDuper插件已启用！");
    }

    @Override
    public void onDisable() {
        getLogger().info("TNTDuper插件已禁用！");
    }

    @EventHandler
    public void onBlockDispense(BlockDispenseEvent event) {
        Block block = event.getBlock();

        // 检查是否是发射器
        if (block.getType() != Material.DISPENSER) {
            return;
        }

        // 检查发射的物品是否是TNT
        if (event.getItem().getType() != Material.TNT) {
            return;
        }

        Dispenser dispenser = (Dispenser) block.getState();
        Inventory inventory = dispenser.getInventory();

        // 检查发射器内是否只有TNT
        if (containsOnlyTNT(inventory)) {
            // 取消事件，我们自己处理TNT的发射和补充
            event.setCancelled(true);

            // 创建TNT实体并发射（模拟原版行为）
            // 使用正确的实体类型名称
            TNTPrimed tnt = (TNTPrimed) block.getWorld().spawnEntity(
                    block.getLocation().add(0.5, 0.5, 0.5),
                    EntityType.TNT
            );

            // 设置TNT的发射方向（根据发射器朝向）
            setTNTVelocity(tnt, block);
        }
    }

    @EventHandler
    public void onPistonExtend(BlockPistonExtendEvent event) {
        // 检查活塞推动的方块中是否有TNT
        for (Block block : event.getBlocks()) {
            if (block.getType() == Material.TNT) {
                handlePistonTNT(block, event.getDirection());
            }
        }
    }

    @EventHandler
    public void onPistonRetract(BlockPistonRetractEvent event) {
        // 检查粘性活塞拉回的方块中是否有TNT
        if (event.isSticky()) {
            for (Block block : event.getBlocks()) {
                if (block.getType() == Material.TNT) {
                    handlePistonTNT(block, event.getDirection());
                }
            }
        }
    }

    private void handlePistonTNT(Block tntBlock, BlockFace direction) {
        // 在活塞推动TNT的位置生成一个新的TNT实体
        TNTPrimed tnt = (TNTPrimed) tntBlock.getWorld().spawnEntity(
                tntBlock.getLocation().add(0.5, 0.5, 0.5),
                EntityType.TNT
        );

        // 设置TNT的速度方向与活塞推动方向一致
        Vector velocity = new Vector(
                direction.getModX() * 0.5,
                direction.getModY() * 0.5,
                direction.getModZ() * 0.5
        );

        // 添加一些随机性以防止TNT堆叠
        velocity.add(new Vector(
                (Math.random() - 0.5) * 0.2,
                (Math.random() - 0.5) * 0.2,
                (Math.random() - 0.5) * 0.2
        ));

        tnt.setVelocity(velocity);
    }

    private boolean containsOnlyTNT(Inventory inventory) {
        for (ItemStack item : inventory.getContents()) {
            if (item != null && item.getType() != Material.AIR && item.getType() != Material.TNT) {
                return false;
            }
        }
        return true;
    }

    private void setTNTVelocity(TNTPrimed tnt, Block dispenser) {
        // 获取发射器的朝向
        org.bukkit.block.data.type.Dispenser dispenserData =
                (org.bukkit.block.data.type.Dispenser) dispenser.getBlockData();
        BlockFace facing = dispenserData.getFacing();

        // 根据朝向设置速度
        Vector velocity = new Vector(
                facing.getModX() * 0.5,
                facing.getModY() * 0.5,
                facing.getModZ() * 0.5
        );

        // 添加一些随机性以防止TNT堆叠
        velocity.add(new Vector(
                (Math.random() - 0.5) * 0.2,
                (Math.random() - 0.5) * 0.2,
                (Math.random() - 0.5) * 0.2
        ));

        tnt.setVelocity(velocity);
    }
}