# Minecraft Villager Trade Manager V11.0 - Complete Villager Economy Control [![Paper](https://img.shields.io/badge/Paper-1.20.x--1.21.x-blue.svg)](https://papermc.io) [![Spigot](https://img.shields.io/badge/Spigot-1.20.x--1.21.x-orange.svg)](https://www.spigotmc.org) [![Purpur](https://img.shields.io/badge/Purpur-1.20.x--1.21.x-purple.svg)](https://purpurmc.org) [![Bukkit](https://img.shields.io/badge/Bukkit-1.20.x--1.21.x-red.svg)](https://bukkit.org) [![Folia](https://img.shields.io/badge/Folia-1.20.x--1.21.x-green.svg)](https://papermc.io/downloads/folia) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![Java 17+](https://img.shields.io/badge/Java-17+-red.svg)](https://adoptium.net/) **Ultimate Minecraft villager trade management plugin** - Control every aspect of villager trading economics with advanced features like item banning, custom pricing, and multi-database support. --- ## 🚀 Quick Start ```bash # Install the plugin 1. Download Minecraft-Villager-Trade-Manager-11.0.jar 2. Place in your server's plugins/ folder 3. Restart server 4. Configure in config.yml 5. Use /vt status to verify # Basic commands /vt on # Enable trade management /vt setprice armorer diamond_leggings 30 # Set custom price /vt banitem diamond_sword # Ban items from trades ``` --- ## 📋 Table of Contents - [Features](#-key-features) - [Installation](#-installation) - [Configuration](#-configuration) - [Commands](#-commands) - [Database Setup](#-database-options) - [Advanced Features](#-advanced-features) - [Troubleshooting](#-troubleshooting) - [Support](#-support) --- ## 🎯 Key Features ### 💰 **Universal Trade Pricing** - **All 13 Professions Supported**: Armorer, Butcher, Cartographer, Cleric, Farmer, Fisherman, Fletcher, Leatherworker, Librarian, Mason, Shepherd, Toolsmith, Weaponsmith - **Per-Trade Customization**: Set emerald costs for any specific trade - **Simple Commands**: `/vt setprice armorer diamond_leggings 30` - **Legacy Support**: Maintains backward compatibility ### 🚫 **Item Banning System** ⭐ *NEW in V11* - **Complete Item Control**: Ban entire items from all villager trades - **Smart Filtering**: Prevents enchanted variants when base item is banned - **Easy Management**: `/vt banitem diamond_sword`, `/vt unbanitem diamond_sword` - **List Banned Items**: `/vt listbanneditems` to see all banned items ### 💾 **Multi-Database Support** ⭐ *NEW in V11* - **SQLite**: Local file-based (default, recommended) - **Supabase**: Cloud REST API - **PostgreSQL**: Direct JDBC connections ⭐ *NEW* - **Automatic Fallback**: SQLite backup if cloud fails ### ⚡ **Advanced Restock System** - **Instant Restock**: `/vt instantrestock on` for immediate trade refresh - **Custom Intervals**: Set restock times with `/vt restocktime ` - **Daily Limits**: Control restocks per day with `/vt restocklimit ` - **Unlimited Mode**: `/vt unlimitedrestock on` for no restrictions ### 🎮 **Multi-Platform Compatibility** - **Folia**: Region-threaded scheduling for optimal performance - **Paper/Purpur**: Full API compatibility - **Spigot/Bukkit**: Legacy support maintained - **Thread-Safe**: All operations are concurrency-safe ### 📊 **Real-Time Monitoring** - **Trade Analytics**: Track trade statistics and patterns - **Performance Metrics**: Monitor plugin performance - **Health Checks**: Built-in system monitoring - **Dynamic Detection**: Automatically discovers new trades --- ## 📦 Installation ### Requirements - **Java 17** or higher - **Minecraft Server**: Paper, Spigot, Purpur, Bukkit, or Folia - **Minecraft Version**: 1.20.x - 1.21.x ### Steps 1. **Download** the plugin JAR file 2. **Stop** your Minecraft server 3. **Place** `Minecraft-Villager-Trade-Manager-11.0.jar` in the `plugins/` folder 4. **Start** your server to generate configuration files 5. **Configure** `plugins/VillagerTradeManager/config.yml` as needed 6. **Restart** server or use `/reload` (not recommended for production) ### Verification ```bash # Check if plugin loaded /version VillagerTradeManager # Test basic functionality /vt status ``` --- ## ⚙️ Configuration ### Basic Configuration ```yaml # Enable/disable the plugin settings: trade_management_enabled: true # Database selection database: type: "sqlite" # Options: sqlite, supabase, postgresql # Restock settings custom_restock_enabled: false restock_interval_minutes: 30 restock_limit_per_day: 3 unlimited_restock: false instant_restock_enabled: false ``` ### Database Configuration #### SQLite (Recommended) ```yaml database: type: "sqlite" sqlite: file: "villager_data.db" ``` #### Supabase (Cloud REST API) ```yaml database: type: "supabase" supabase: url: "https://your-project.supabase.co" apiKey: "your-anon-key" serviceKey: "your-service-key" schema: "public" ``` #### PostgreSQL (Direct JDBC) ⭐ *NEW in V11* ```yaml database: type: "postgresql" postgresql: connectionString: "postgresql://user:password@host:5432/database" ``` --- ## 🖥️ Commands ### Main Commands | Command | Description | Example | |---------|-------------|---------| | `/vt on/off` | Enable/disable trade management | `/vt on` | | `/vt status` | Show current settings and banned items | `/vt status` | | `/vt reload` | Reload configuration (with caution) | `/vt reload` | ### Trade Pricing | Command | Description | Example | |---------|-------------|---------| | `/vt setprice ` | Set custom price for any trade | `/vt setprice armorer diamond_leggings 30` | | `/vt resetprice ` | Reset trade to default price | `/vt resetprice armorer armorer_l4_emerald_13_diamond_boots_1` | | `/vt listtrades ` | List all trades for a profession | `/vt listtrades armorer` | ### Item Banning ⭐ *NEW in V11* | Command | Description | Example | |---------|-------------|---------| | `/vt banitem ` | Ban item from all villager trades | `/vt banitem diamond_sword` | | `/vt unbanitem ` | Allow item in villager trades | `/vt unbanitem diamond_sword` | | `/vt listbanneditems` | Show all banned items | `/vt listbanneditems` | ### Restock Management | Command | Description | Example | |---------|-------------|---------| | `/vt restock on/off` | Enable custom restock system | `/vt restock on` | | `/vt restocktime ` | Set restock interval | `/vt restocktime 45` | | `/vt restocklimit ` | Set daily restock limit | `/vt restocklimit 5` | | `/vt unlimitedrestock on/off` | Toggle unlimited restocks | `/vt unlimitedrestock on` | | `/vt instantrestock on/off` | Enable instant restock | `/vt instantrestock on` | ### Trade Analysis | Command | Description | Example | |---------|-------------|---------| | `/vt analyzetrades` | Show trade statistics | `/vt analyzetrades` | | `/vt inspectvillager` | Analyze nearest villager's trades | `/vt inspectvillager` | ### Advanced Commands | Command | Description | Example | |---------|-------------|---------| | `/vt exporttrades json/yaml` | Export trade configuration | `/vt exporttrades json` | | `/vt tradedetection on/off/status` | Control dynamic trade detection | `/vt tradedetection status` | | `/vt cleardynamictrades` | Clear old dynamic trade data | `/vt cleardynamictrades` | --- ## 💾 Database Options ### SQLite (Default - Recommended) - **Local file-based** database - **Zero configuration** required - **Best performance** for most servers - **Automatic backups** and maintenance ### Supabase (Cloud REST API) - **Cloud-hosted** PostgreSQL - **REST API** communication - **Multi-server sync** capability - **Requires API keys** and internet connection ### PostgreSQL (Direct JDBC) ⭐ *NEW in V11* - **Direct database connection** using JDBC - **Best performance** for cloud databases - **Compatible with** Supabase, AWS RDS, Google Cloud SQL - **Requires connection string** configuration --- ## 🔧 Advanced Features ### Item Banning System Prevent entire items from appearing in villager trades: ```bash # Ban diamond swords (prevents all enchanted variants too) /vt banitem diamond_sword # Ban enchanted golden apples /vt banitem enchanted_golden_apple # Check what's banned /vt listbanneditems # Allow items again /vt unbanitem diamond_sword ``` ### Custom Pricing Examples ```bash # Simple format (recommended) /vt setprice armorer diamond_leggings 25 /vt setprice librarian protection_4 30 /vt setprice farmer emerald 2 # Universal format (advanced) /vt setprice armorer armorer_l4_emerald_13_diamond_boots_1 15 20 # Legacy format (enchantments only) /vt setprice efficiency 5 45 ``` ### Database Migration The plugin automatically handles database schema updates. When you update from older versions, the plugin will: 1. **Detect version differences** 2. **Apply migrations automatically** 3. **Preserve existing data** 4. **Log migration progress** --- ## 🔧 Troubleshooting ### Common Issues #### Plugin Not Loading ``` Error: Could not load plugin ``` **Solution**: Ensure Java 17+ and compatible Minecraft version #### Database Connection Failed ``` Failed to establish database connection ``` **Solutions**: - Check database credentials - Verify network connectivity (for cloud databases) - Plugin automatically falls back to SQLite #### Commands Not Working ``` /vt: Unknown command ``` **Solution**: Check console for permission errors or plugin conflicts #### High CPU Usage **Solutions**: - Reduce `trade_monitor_frequency` in config - Decrease `villager_scan_radius` - Enable Folia for better performance ### Debug Mode Enable debugging in `config.yml`: ```yaml logging: debug_database: true debug_trades: true debug_restock: true ``` ### Performance Tuning ```yaml performance: trade_monitor_frequency: 60 # Ticks between checks villager_scan_radius: 32 # Blocks to scan ``` --- ## 📊 Metrics & Monitoring ### Health Checks - **HTTP Endpoint**: `http://localhost:8080/health` (if enabled) - **Automatic Monitoring**: System health checks every 30 seconds - **Performance Metrics**: CPU, memory, and trade statistics ### Prometheus Integration Enable Prometheus metrics in `config.yml`: ```yaml metrics: enabled: true prometheus: enabled: true ``` --- ## 🤝 Support ### Getting Help - **Documentation**: Full guide at project repository - **Issues**: Report bugs on GitHub - **Community**: Join Discord for support ### System Requirements - **RAM**: +50MB (depending on trade volume) - **CPU**: Minimal overhead - **Storage**: ~1MB for SQLite database - **Network**: Required for cloud databases only --- ## 📈 Version History ### V11.0 (Latest) - ✅ **Item Banning System**: Ban entire items from villager trades - ✅ **PostgreSQL Support**: Direct JDBC connections to databases - ✅ **Enhanced Commands**: Improved tab completion and error messages - ✅ **Bug Fixes**: Resolved Supabase URL construction and authentication issues - ✅ **Performance**: Optimized database operations and memory usage ### V10.x - Universal trade pricing for all professions - Folia compatibility and region-threaded scheduling - Advanced restock system with instant restock - Dynamic trade detection and storage --- ## 📜 License **MIT License** - Free for personal and commercial use. --- ## 🙏 Credits - **Developer**: Alan (Villager Trade Manager Team) - **Contributors**: Minecraft server administrators and developers - **Community**: SpigotMC, PaperMC, and Minecraft communities --- **🎮 Ready to master your server's villager economy? Install Villager Trade Manager V11.0 today!** --- ## 🧱 Technical Notes - Tested on Minecraft **1.20.x – 1.21.x** - Supported server types: **Folia, Paper, Purpur, Spigot, Bukkit** - Async SQLite database persistence for settings and restock data - Thread-safe and region-threaded scheduling for Folia - Minimal CPU and memory overhead --- ## 🧭 Ideal Use Cases - Economy-focused servers maintaining fair villager trading systems. - Fast-paced gameplay or event servers requiring instant trade resets. - Large-scale Folia servers needing safe, concurrent villager management. --- ## 🆕 V11.0 Highlights - **Universal Trade Manipulation**: Control pricing for all 13 villager professions - **Per-Trade Customization**: Set custom emerald costs for any specific trade - **Comprehensive Trade Registry**: Complete mapping of all vanilla Minecraft trades - **Content-Based Identification**: Reliable trade identification using item hashing - **Legacy Compatibility**: Maintains backward compatibility with enchantment pricing - **Enhanced Command System**: Universal commands supporting all professions - **Fixed Compilation Issues**: Resolved API compatibility problems with current Minecraft versions --- ## 🧾 License This plugin is open-source and licensed under the **MIT License**. You are free to use, modify, and distribute with proper credit. --- **V11.0 brings universal trade control to Villager Trade Manager — Every villager trade, every profession, fully customizable under your command.**

Mortimer-Kerman

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