🍩 DonutShard

A feature-rich custom currency plugin for PaperMC servers — earn Shards by killing, AFK farming, and spending them in a configurable shop.

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✨ Features

Feature	Description
💰 Shard Currency	Custom economy currency with leaderboard, balance commands
⚔️ Kill Rewards	Earn Shards for PvP kills with cooldown and bonus multiplier
🌙 AFK System	Earn Shards passively while AFK in designated warp zones
🛡️ Zone Protection	WorldGuard-like protection for AFK zones (no WorldGuard required)
🏪 Shard Shop	Multi-category GUI shop — buy items with Shards
🌐 Multi-language	5 built-in languages: vi en zh es fr
📊 Leaderboard	/shard top with PlaceholderAPI support
🔌 Developer API	Hook into Shard events from other plugins
💾 Dual Storage	YAML or SQLite, with WAL-mode async writes

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📦 Requirements

Requirement	Version
PaperMC	1.21.x
Java	21+
PlaceholderAPI	2.11+ (optional)

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⚙️ Installation

1. Download DonutShard-1.0.0.jar and drop it into your /plugins folder.
2. Start the server — config files generate automatically.
3. Edit plugins/DonutShard/config.yml to your liking.
4. Run /shard reload in-game to apply changes without restarting.

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🗂️ File Structure

plugins/DonutShard/
├── config.yml          # Main config (kill reward, storage, leaderboard)
├── afk.yml             # AFK zones, protection rules, earn rates
├── shop.yml            # Shop categories & GUI layout
├── shops/
│   ├── Spawners.yml    # Spawner items
│   ├── Ores.yml        # Ore blocks
│   └── Farm.yml        # Farming items
├── languages/
│   ├── en.yml
│   ├── vi.yml
│   ├── zh.yml
│   ├── es.yml
│   └── fr.yml
└── data/               # YAML storage files (if YAML mode)
    ├── balances.yml
    ├── afk_sessions.yml
    ├── afk_warps.yml
    └── daily_earnings.yml

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🔧 Configuration

config.yml — Quick Reference

language: en           # Active language (en/vi/zh/es/fr)

kill-reward:
  enabled: true
  shards-per-kill: 10
  kill-cooldown: 30    # seconds before same kill gives reward again
  ignore-afk-victims: false
  bonus-multiplier:
    enabled: false
    threshold: 1000    # if victim has >= this many Shards
    multiplier: 1.5

storage:
  type: SQLITE         # YAML or SQLITE
  auto-save-interval: 5  # minutes

leaderboard:
  size: 10

afk.yml — AFK System

enabled: true
shards-per-minute: 1
daily-limit: 100       # 0 = unlimited
teleport-cooldown: 5   # seconds between /afk uses
auto-detect-afk: true  # auto-detect players already in AFK world

protection:
  default:
    no-damage: true
    no-hunger: true
    no-pvp: true
    no-mob-spawn: true
    no-item-drop: true
    restore-health-on-enter: true
    clear-effects-on-enter: true

Adding a Shop Category

1. Create plugins/DonutShard/shops/MyCategory.yml:

gui-title: "<gold>⭐ My Category"
items:
  - id: DIAMOND
    name: "<aqua>💎 Diamond"
    price: 100
    slot: 10
    quantity: 1
    lore:
      - "<gray>Shiny and expensive"
  - id: SPAWNER
    name: "<red>🔥 Blaze Spawner"
    spawnertype: BLAZE
    price: 5000
    slot: 11
    quantity: 1

1. Add the category to shop.yml under categories:

categories:
  MyCategory:
    icon: DIAMOND
    name: "<aqua>My Category"
    slot: 4
    lore:
      - "<gray>Buy diamonds and spawners"

1. Run /shard reload. No restart needed!

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💬 Commands

Command	Description	Permission
/shard balance [player]	View Shard balance	donutshard.balance
/shard give <player> <amount>	Give Shards	donutshard.give
/shard take <player> <amount>	Take Shards	donutshard.take
/shard set <player> <amount>	Set Shards	donutshard.set
/shard top [page]	View leaderboard	donutshard.top
/shard reload	Reload config	donutshard.reload
/shard set-afk-warp <name>	Set AFK warp to a world	donutshard.admin
/shard remove-afk-warp <name>	Remove AFK warp	donutshard.admin
/shard list-afk-warp	List all AFK warps	donutshard.admin
/shard language <code>	Change language	donutshard.language
/afk [warpname]	Enter an AFK zone	donutshard.afk
/afk-setting	Manage AFK zone settings	donutshard.afk.admin
/shardshop	Open the Shard Shop	donutshard.shop

Aliases: /shard → /donutshard, /ds

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🛡️ Permissions

Permission	Description	Default
donutshard.balance	Check own balance	true
donutshard.balance.others	Check other's balance	op
donutshard.give	Give Shards to others	op
donutshard.take	Take Shards from others	op
donutshard.set	Set Shard balance	op
donutshard.top	View leaderboard	true
donutshard.reload	Reload plugin	op
donutshard.admin	All admin commands	op
donutshard.afk	Use /afk command	true
donutshard.afk.admin	Manage AFK settings	op
donutshard.shop	Open Shard shop	true
donutshard.kill.bypass	This player's deaths give no Shards	false
donutshard.zone.bypass	Bypass zone protection	op
donutshard.language	Change language	true

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📊 PlaceholderAPI

Register these placeholders in any compatible plugin:

Placeholder	Returns
%donutshard_balance%	Player's Shard balance
%donutshard_rank%	Player's leaderboard rank
%donutshard_top_1% to %donutshard_top_10%	Top player name at rank N
%donutshard_top_balance_1%	Top player balance at rank N

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🔌 Developer API

Add DonutShard as a dependency in your plugin:

// Check availability
if (DonutShardAPI.isAvailable()) {

    // Get balance
    long balance = DonutShardAPI.getBalance(player);

    // Give Shards with a reason
    DonutShardAPI.give(player, 100, "Quest reward");

    // Take Shards (returns false if insufficient)
    boolean success = DonutShardAPI.take(player, 50);

    // Listen to Shard events
    DonutShardAPI.registerHook(new ShardEventHook() {
        @Override
        public void onShardEarned(UUID uuid, long amount, String reason) {
            // ...
        }
        @Override
        public void onShardSpent(UUID uuid, long amount, String reason, long newBalance) {
            // ...
        }
    });
}

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🔨 Building from Source

git clone https://github.com/duong2012g/DonutShard.git
cd DonutShard
mvn clean package
# Output: target/DonutShard-1.0.0.jar

Requirements: Java 21, Maven 3.8+

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📝 License

MIT — free to use, modify, and redistribute with attribution.

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Made with ❤️ by duong2012g