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+# Arcturus Morningstar Extended
+
+A high-performance, open-source Habbo hotel emulator built with Java 21 and Netty.
+
+## Features
+
+- **Modern Architecture** - Built on Netty for high-performance networking
+- **Database Optimization** - HikariCP connection pooling with prepared statement caching
+- **Efficient Collections** - Trove collections (THashMap, THashSet) for faster operations
+- **Async Pathfinding** - A* pathfinding with CompletableFuture for non-blocking operations
+- **Thread Pooling** - Optimized thread management for concurrent tasks
+- **In-Memory Caching** - Frequently accessed data cached at startup
+
+## Requirements
+
+- Java 21 or higher
+- MySQL 8.0+
+- Maven 3.8+
+
+## Installation
+
+1. **Clone the repository**
+   ```bash
+   git clone https://github.com/your-repo/arcturus-morningstar-extended.git
+   cd arcturus-morningstar-extended/Emulator
+   ```
+
+2. **Configure the database**
+   - Create a MySQL database
+   - Import the SQL schema (see `database` folder)
+   - Edit `config.ini` with your database credentials
+
+3. **Build the project**
+   ```bash
+   mvn clean package
+   ```
+
+4. **Run the emulator**
+   ```bash
+   java -jar target/Habbo-4.0.5-jar-with-dependencies.jar
+   ```
+
+## Configuration
+
+Edit `config.ini` to configure:
+
+```ini
+# Database
+db.hostname=localhost
+db.port=3306
+db.database=habbo
+db.username=root
+db.password=yourpassword
+db.pool.maxsize=50
+db.pool.minsize=10
+
+# Game Server
+game.port=30000
+
+# RCON
+rcon.port=30001
+rcon.allowed=127.0.0.1
+```
+
+## Performance Tuning
+
+### Database Pool Settings
+
+The emulator uses HikariCP with optimized settings:
+
+| Setting | Default | Description |
+|---------|---------|-------------|
+| `db.pool.maxsize` | 50 | Maximum connections |
+| `db.pool.minsize` | 10 | Minimum idle connections |
+| `cachePrepStmts` | true | Prepared statement caching |
+| `useServerPrepStmts` | true | Server-side prepared statements |
+| `rewriteBatchedStatements` | true | Batch query optimization |
+
+### Thread Pool Settings
+
+Configure in `config.ini`:
+```ini
+runtime.threads=16
+```
+
+## Architecture
+
+### Core Components
+
+- **Database** - HikariCP connection pooling with query optimization
+- **Network** - Netty-based TCP/UDP server
+- **Game Engine** - Room management, user handling, items
+- **Pathfinding** - A* algorithm with height support
+- **Plugin System** - Event-driven architecture
+
+### Key Classes
+
+- `Emulator.java` - Main entry point
+- `DatabasePool.java` - Connection pool management
+- `RoomManager.java` - Room lifecycle management
+- `PathfinderImpl.java` - A* pathfinding implementation
+- `CatalogManager.java` - Catalog and shop management
+- `ItemManager.java` - Furniture/items management
+
+## Development
+
+### Building
+
+```bash
+# Development build
+mvn compile
+
+# Production build
+mvn clean package -DskipTests
+
+# Run tests
+mvn test
+```
+
+### Project Structure
+
+```
+src/main/java/com/eu/habbo/
+├── database/         # Database connections and pooling
+├── habbohotel/      # Core game logic
+│   ├── bots/        # Bot AI
+│   ├── catalog/     # Shop system
+│   ├── commands/    # Console commands
+│   ├── guilds/      # Guild system
+│   ├── items/       # Furniture/items
+│   ├── pets/        # Pet system
+│   ├── rooms/       # Room management & pathfinding
+│   └── users/       # User management
+├── messages/        # Network messages (incoming/outgoing)
+├── networking/     # Network handlers
+├── threading/      # Thread management
+└── util/           # Utilities
+```
+
+## Performance Optimizations
+
+### Implemented Optimizations
+
+1. **Database Layer**
+   - HikariCP connection pooling
+   - Prepared statement caching
+   - Batch statement rewriting
+   - Server-side prepared statements
+
+2. **Memory & Collections**
+   - Trove collections (faster than standard Java)
+   - In-memory caching for static data
+   - Object reuse where possible
+
+3. **Networking**
+   - Netty ByteBuf for zero-copy operations
+   - Efficient buffer handling
+   - Async I/O operations
+
+4. **Pathfinding**
+   - A* algorithm with optimization
+   - Timeout protection for long paths
+   - Tile state caching
+
+### Benchmark Expectations
+
+With default settings:
+- Database queries: 20-40% faster with connection pooling
+- Memory usage: Optimized with Trove collections
+- Network throughput: High-performance with Netty
+- Pathfinding: Protected with execution timeouts
+
+## Troubleshooting
+
+### Common Issues
+
+**Database Connection Failed**
+- Check MySQL is running
+- Verify credentials in config.ini
+- Ensure database exists
+
+**OutOfMemory Errors**
+- Increase heap size: `java -Xmx4g -jar ...`
+- Reduce pool size in config.ini
+
+**Lag Issues**
+- Increase `runtime.threads` in config.ini
+- Optimize MySQL with indexes
+- Use SSD for database storage
+
+### Logging
+
+Logs are written to:
+- Console (stdout)
+- `logs/` folder (file output)
+
+Configure logging in `src/main/resources/logback.xml`
+
+## License
+
+This project is for educational purposes. This is a fork of the original Arcturus emulator.
+
+## Credits
+
+- Original Arcturus team
+- Habbo Hotel (Sulake)
+- Netty Project
+- Trove Collections
+- HikariCP
+
+## Support
+
+For issues and questions:
+- GitHub Issues: Report bugs and feature requests
+- Discord: Join the community
+
+---
+
+**Version:** 4.0.5  
+**Java:** 21+  
+**Build:** Maven