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koirdsuzukoirdsuzu
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Version1.0
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‎src/main/java/com/koirdsuzu/dropRateController/DropRateController.java‎

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package com.koirdsuzu.dropRateController;
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import org.bukkit.Bukkit;
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import org.bukkit.ChatColor;
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import org.bukkit.command.Command;
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import org.bukkit.command.CommandSender;
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import org.bukkit.command.TabCompleter;
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import org.bukkit.configuration.file.FileConfiguration;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.LivingEntity;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.Listener;
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import org.bukkit.event.block.BlockBreakEvent;
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import org.bukkit.event.entity.EntityDeathEvent;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.plugin.java.JavaPlugin;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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public class DropRateController extends JavaPlugin implements Listener, TabCompleter {
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private double dropRate = 1.0; // Default drop rate is 1%
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private Random random;
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private FileConfiguration config;
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@Override
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public void onEnable() {
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// Initialize config and random
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saveDefaultConfig();
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config = getConfig();
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random = new Random();
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// Load drop rate from config
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dropRate = config.getDouble("dropRate", 1.0);
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// Register event listener
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Bukkit.getPluginManager().registerEvents(this, this);
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// Set tab completer
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getCommand("dropchance").setTabCompleter(this);
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getLogger().info("DropRateController enabled.");
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}
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@Override
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public void onDisable() {
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getLogger().info("DropRateController disabled.");
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}
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// Handle mob drops
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@EventHandler
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public void onEntityDeath(EntityDeathEvent event) {
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Entity entity = event.getEntity();
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if (entity instanceof LivingEntity) {
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LivingEntity livingEntity = (LivingEntity) entity;
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if (livingEntity.getKiller() != null) {
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if (random.nextDouble() < dropRate / 100.0) {
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// Leave default drops as is if the drop condition is met
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return;
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} else {
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// Clear drops if the condition is not met
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event.getDrops().clear();
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}
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}
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}
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}
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// Handle block drops
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@EventHandler
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public void onBlockBreak(BlockBreakEvent event) {
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Player player = event.getPlayer();
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if (!player.hasPermission("dropratecontroller.use")) {
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return;
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}
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List<ItemStack> drops = new ArrayList<>(event.getBlock().getDrops(player.getInventory().getItemInMainHand()));
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event.setDropItems(false); // Prevent default drops
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for (ItemStack drop : drops) {
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if (random.nextDouble() < dropRate / 100.0) {
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event.getBlock().getWorld().dropItemNaturally(event.getBlock().getLocation(), drop);
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}
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}
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}
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@Override
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public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
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if (command.getName().equalsIgnoreCase("dropchance")) {
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// Check permission
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if (!sender.hasPermission("dropratecontroller.use")) {
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sender.sendMessage(ChatColor.RED + config.getString("messages.no_permission", "You do not have permission to use this command."));
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return true;
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}
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if (args.length == 0) {
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sender.sendMessage(ChatColor.RED + config.getString("messages.usage", "Usage: /dropchance <get|set <value>>"));
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return true;
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}
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if (args[0].equalsIgnoreCase("get")) {
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sender.sendMessage(ChatColor.GREEN + String.format(config.getString("messages.get", "Current drop rate: %.2f%%"), dropRate));
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return true;
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}
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if (args[0].equalsIgnoreCase("set")) {
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if (args.length < 2) {
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sender.sendMessage(ChatColor.RED + config.getString("messages.invalid", "Invalid value. Please provide a number between 0 and 100."));
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return true;
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}
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try {
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double newRate = Double.parseDouble(args[1]);
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if (newRate < 0 || newRate > 100) {
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sender.sendMessage(ChatColor.RED + config.getString("messages.range_error", "Please enter a number between 0 and 100."));
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return true;
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}
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dropRate = newRate;
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config.set("dropRate", dropRate);
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saveConfig();
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sender.sendMessage(ChatColor.GREEN + String.format(config.getString("messages.set", "Drop rate updated to %.2f%%"), dropRate));
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} catch (NumberFormatException e) {
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sender.sendMessage(ChatColor.RED + config.getString("messages.invalid", "Invalid value. Please provide a number between 0 and 100."));
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}
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return true;
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}
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}
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return false;
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}
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@Override
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public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
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List<String> completions = new ArrayList<>();
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if (command.getName().equalsIgnoreCase("dropchance")) {
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if (args.length == 1) {
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if ("get".startsWith(args[0].toLowerCase())) completions.add("get");
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if ("set".startsWith(args[0].toLowerCase())) completions.add("set");
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} else if (args.length == 2 && args[0].equalsIgnoreCase("set")) {
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completions.add("0");
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completions.add("50");
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completions.add("100");
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}
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}
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return completions;
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}
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}

‎src/main/resources/config.yml‎

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dropRate: 1.0
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messages:
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usage: "Usage: /dropchance <get|set <value>>"
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get: "Current drop rate: %.2f%%"
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set: "Drop rate updated to %.2f%%"
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invalid: "Invalid value. Please provide a number between 0 and 100."
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range_error: "Please enter a number between 0 and 100."
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no_permission: "You do not have permission to use this command."

‎src/main/resources/plugin.yml‎

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name: DropRateController
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version: '1.0'
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main: com.koirdsuzu.dropRateController.DropRateController
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api-version: '1.13'
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authors: [koirdsuzu]
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description: アイテムのドロップ率を変えるプラグイン
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website: https://github.com/koirdsuzu/
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commands:
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dropchance:
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description: Manage the drop chance for items.
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usage: /dropchance <get|set> [value]
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permissions:
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dropratecontroller.use:
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description: Allows access to the dropchance command.
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default: op

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