annoyance.java

package net.tobyp.bukkit.annoyance;

import org.bukkit.ChatColor;
import org.bukkit.entity.Creeper;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.*;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;

import java.util.Random;

public class AnnoyancePlugin extends JavaPlugin implements Listener {
    private static final Random rnd = new Random();

    int creeper_task;
    int nausea_task;
    int turnaround_task;
    int hotbarscramble_task;

    double creeper_chance = 0.1;
    int creeper_period = 20*20;

    double nausea_chance = 0.1;
    int nausea_period = 4*20;
    int nausea_duration = 2*20;

    double chat_reverse_chance = 0.2;

    int chat_nausea_limit = 20;
    int chat_nausea_second_per = 20;

    double turnaround_chance = 0.01;
    int turnaround_period = 1*20;

    double hotbarscramble_chance = 0.01;
    int hotbarscramble_period = 1*20;

    @Override
    public void onEnable() {
        getServer().getPluginManager().registerEvents(this, this);

        creeper_task = getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
            @Override
            public void run() {
                for (Player p : getServer().getOnlinePlayers()) {
                    if (p.hasPermission("annoyance.creeper") && rnd.nextDouble() < creeper_chance) {
                        p.getWorld().spawnEntity(p.getLocation(), EntityType.CREEPER);
                    }
                }
            }
        }, 0, creeper_period);

        nausea_task = getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
            @Override
            public void run() {
                for (Player p : getServer().getOnlinePlayers()) {
                    if (p.hasPermission("annoyance.nausea") && rnd.nextDouble() < nausea_chance) {
                        p.addPotionEffect(new PotionEffect(PotionEffectType.CONFUSION, nausea_duration, 0));
                    }
                }
            }
        }, 0, nausea_period);

        turnaround_task = getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
            @Override
            public void run() {
                for (Player p : getServer().getOnlinePlayers()) {
                    if (p.hasPermission("annoyance.turnaround") && rnd.nextDouble() < turnaround_chance) {
                        p.getLocation().setYaw((float)Math.PI - p.getLocation().getYaw());
                    }
                }
            }
        }, 0, turnaround_period);

        hotbarscramble_task = getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
            @Override
            public void run() {
                for (Player p : getServer().getOnlinePlayers()) {
                    if (p.hasPermission("annoyance.hotbarscramble") && rnd.nextDouble() < hotbarscramble_chance) {
                        ItemStack is = p.getInventory().getItem(0);
                        for (int i=1; i<=8; i++) {
                            p.getInventory().setItem(i-1, p.getInventory().getItem(i));
                        }
                        p.getInventory().setItem(8, is);
                    }
                }
            }
        }, 0, hotbarscramble_period);
    }

    @Override
    public void onDisable() {
        getServer().getScheduler().cancelTask(creeper_task);
        getServer().getScheduler().cancelTask(nausea_task);
        getServer().getScheduler().cancelTask(turnaround_task);
    }

    @EventHandler
    public void onChat(AsyncPlayerChatEvent e) {
        if (e.getPlayer().hasPermission("annoyance.chat_reverse") && rnd.nextDouble() < chat_reverse_chance) {
            e.setMessage(new StringBuilder(e.getMessage()).reverse().toString());
            if (e.getPlayer().hasPermission("annoyance.chat_nausea") && e.getMessage().length() > chat_nausea_limit) {
                e.getPlayer().addPotionEffect(new PotionEffect(PotionEffectType.CONFUSION, 20*(e.getMessage().length()-chat_nausea_limit)/chat_nausea_second_per, 0));
            }
        }
    }


}

plugin.yml

name: Annoyance
author: tobyp
main: net.tobyp.bukkit.annoyance.AnnoyancePlugin
version: 1.0.0
permissions:
  annoyance.creeper:
    default: false
  annoyance.nausea:
    default: false
  annoyance.turnaround:
    default: false
  annoyance.hotbarscramble:
    default: false
  annoyance.chat_reverse:
    default: false
  annoyance.chat_nausea:
    default: false