# ⚡ Elemental Dragon Plugin

![Dragon Egg Lightning Banner](https://img.shields.io/badge/Minecraft-Paper%201.21.8-blue?logo=minecraft&style=for-the-badge) ![Java](https://img.shields.io/badge/Java-21+-ED8B00?logo=openjdk&logoColor=white&style=for-the-badge) ![Version](https://img.shields.io/badge/Version-1.1.0-green?style=for-the-badge) ![Build](https://img.shields.io/badge/Build-Passing-brightgreen?style=for-the-badge) **Transform your server with elemental powers from ancient dragon fragments!** [![Download Latest Release](https://img.shields.io/badge/Download-Latest%20Release-ff6b6b?style=for-the-badge&logo=github)](https://github.com/cavarest/elemental-dragon/releases/latest) [![GitHub Stars](https://img.shields.io/github/stars/cavarest/elemental-dragon?style=social)](https://github.com/cavarest/elemental-dragon) [![GitHub Forks](https://img.shields.io/github/forks/cavarest/elemental-dragon/fork?style=social)](https://github.com/cavarest/elemental-dragon/fork)

## 🌟 Quick Start (5 Minutes) ### **Step 1: Install Plugin** ```bash # Download the latest JAR from releases # Place in your Paper server's plugins directory cp ElementalDragon-1.1.0.jar /path/to/your/paper-server/plugins/ # Restart your Paper 1.21.8+ server java -Xms2G -Xmx2G -jar paper-1.21.8-latest.jar nogui ``` ### **Step 2: Use Lightning Ability** ```bash # Give yourself a Dragon Egg /give @p minecraft:dragon_egg # Move to offhand (press F key) # Strike with lightning! /lightning 1 # Watch the magic happen! ⚡ ``` ### **Step 3: Get Your First Fragment** ```bash # Operators can give ingredients to players to craft fragments /ed give ingredients fire # Operators can give fragments to players /ed give equipment fire # Or show the recipe to craft them (requires Heavy Core) /craft heavy_core /craft fire ``` ### **Step 4: Use Fragment Abilities** ```bash # Once you have a fragment, you can equip it by: # a) hold on main hand and "right-click" to equip # b) or use command: /fire equip # Use abilities /fire 1 # Dragon's Wrath (fireball attack) /fire 2 # Infernal Dominion (fire ring) # Check status /fire status # Get help /fire help ``` --- ## 📖 Command Reference ### **🎮 Player Commands** Players can use these commands to manage and activate their fragments. #### **Fragment Commands** ```bash # Burning Fragment (Fire Element) /fire equip # Equip Burning Fragment /fire 1 # Dragon's Wrath (fireball attack, 40s cooldown) /fire 2 # Infernal Dominion (area fire, 60s cooldown) /fire status # Show fragment status and cooldowns /fire help # Show available commands # Agility Fragment (Wind Element) /agile equip # Equip Agility Fragment /agile 1 # Draconic Surge (speed boost, 30s cooldown) /agile 2 # Wing Burst (levitation jump, 45s cooldown) /agile status # Show fragment status and cooldowns /agile help # Show available commands # Immortal Fragment (Earth Element) /immortal equip # Equip Immortal Fragment /immortal 1 # Draconic Reflex (damage reduction, 90s cooldown) /immortal 2 # Essence Rebirth (death protection, 5min cooldown) /immortal status # Show fragment status and cooldowns /immortal help # Show available commands # Corrupted Core (Void Element) /corrupt equip # Equip Corrupted Core /corrupt 1 # Dread Gaze (blindness & slow, 60s cooldown) /corrupt 2 # Life Devourer (health steal, 90s cooldown) /corrupt status # Show fragment status and cooldowns /corrupt help # Show available commands ``` #### **Lightning Command (Legacy)** ```bash /lightning 1 # Core lightning ability (60s cooldown) ``` #### **Utility Commands** ```bash /craft # View crafting recipes /chronicle # Access lore and achievements /withdrawability # Withdraw equipped fragment abilities ``` **Fragment Ability Management**: The `/withdrawability` command removes your fragment's abilities while keeping the fragment item: - Deactivates all passive bonuses (Fire Resistance, Speed, etc.) - Cancels active abilities (Life Devourer, Draconic Reflex, etc.) - Clears active states (including READY TO STRIKE for Dread Gaze) - Fragment remains in your inventory for quick re-equip **Using `/clear` (Vanilla Minecraft Command)**: When you use the vanilla `/clear` command to remove all inventory items: - All fragment abilities are unequipped - All passive bonuses are removed - All active abilities are canceled - **Cooldowns are preserved** (spam prevention - see below) **Enhanced `/craft` Command Features**: The `/craft` command dynamically generates recipe displays from the actual crafting system (single source of truth): ```bash # View all available recipes /craft heavy_core # Show Heavy Core crafting recipe /craft fire # Show Burning Fragment recipe /craft agile # Show Agility Fragment recipe /craft immortal # Show Immortal Fragment recipe /craft corrupt # Show Corrupted Core recipe ``` **Architecture Benefits**: - ✅ **Auto-generated displays**: Recipe text generated from actual `CraftingManager` recipes - ✅ **Always accurate**: Single source ensures displays match reality - ✅ **DRY principle**: Zero duplicate recipe definitions - ✅ **Easy maintenance**: Recipe changes only need one update location ### **👑 Operator Commands** Operators have access to administrative functions for managing fragments, cooldowns, and player abilities. #### **Give Items** ```bash # Give crafting ingredients /ed give ingredients /ed give @p ingredients fire # Give materials to craft Burning Fragment /ed give @p ingredients agile # Give materials to craft Agility Fragment # Give crafted equipment /ed give equipment /ed give @p equipment fire # Give Burning Fragment directly /ed give @a equipment immortal # Give Immortal Fragment to all players ``` **Supported Elements**: `fire`, `agile`, `immortal`, `corrupt` #### **Player Information** ```bash # View individual player info /ed info player /ed info player @p # Current player /ed info player Steve # Specific player # List all players /ed info list # Shows all online players with fragment status ``` #### **Cooldown Management** ```bash # Set individual player cooldown /ed setcooldown /ed setcooldown @p fire 1 5 # Fire ability 1: 5s cooldown /ed setcooldown Steve agile 2 30 # Steve's agile ability 2: 30s # Clear player cooldowns /ed clearcooldown [element] /ed clearcooldown @p # Clear all cooldowns /ed clearcooldown @p fire # Clear fire cooldowns only # Get player cooldowns /ed getcooldown /ed getcooldown @p # View current player's cooldowns /ed getcooldown Steve # View Steve's cooldowns ``` **Elements**: `lightning`, `fire`, `agile`, `immortal`, `corrupt` **Abilities**: `1` or `2` (each element has 2 abilities) #### **Global Cooldown Configuration** ```bash # Set default cooldown for an ability (affects all players) /ed setglobalcooldown /ed setglobalcooldown fire 1 10 # Fire ability 1: 10s default /ed setglobalcooldown agile 2 60 # Agile ability 2: 60s default # Disable cooldowns (clears all active cooldowns) /ed setglobalcooldown fire 1 0 # Disables fire ability 1 cooldown /ed setglobalcooldown lightning 1 0 # Disables lightning cooldown # View all global cooldown settings /ed getglobalcooldown ``` **How Global Cooldowns Work**: 1. Each ability has a default cooldown (e.g., Fire ability 1 = 40s) 2. Operators can override defaults with `/ed setglobalcooldown` 3. When players use abilities, the global cooldown is applied 4. Individual player cooldowns can be managed with `/ed setcooldown` **Cooldown Adjustment Mechanics**: When you change a global cooldown, the system intelligently adjusts active player cooldowns using the **MIN formula**: `min(current_remaining, new_max)` - **Increasing cooldown**: Players with time remaining get capped at new maximum (fair to all) - Example: Player has 30s left, you set 20s → Player gets 20s (capped fairly) - Example: Player has 10s left, you set 20s → Player keeps 10s (no penalty) - **Decreasing cooldown**: Uses same MIN formula for consistency - Example: Player has 60s left, you set 30s → Player gets 30s (capped) - Example: Player has 20s left, you set 30s → Player keeps 20s - **Disabling cooldown (0 seconds)**: **Clears ALL active cooldowns** for that ability - Example: `/ed setglobalcooldown fire 1 0` → All players can use fire ability 1 immediately - Useful for: Events, testing, emergency cooldown resets **Real-World Examples**: ```bash # Speed up cooldowns during server event /ed setglobalcooldown fire 1 10 # Faster fire attacks for everyone # Restore normal cooldowns after event (players capped fairly) /ed setglobalcooldown fire 1 40 # Players with < 40s keep their time # Emergency cooldown clear for server issues /ed setglobalcooldown lightning 1 0 # Instant clear for all players /ed setglobalcooldown lightning 1 60 # Re-enable with normal cooldown ``` #### **Player References** All commands support these player selectors: - `@p` - Nearest player (usually yourself) - `@s` - Command sender (yourself) - `@a` - All online players - `PlayerName` - Specific player by username --- ## 💎 Elemental Fragments System The Elemental Dragon plugin features **4 complete elemental fragments**, each with unique abilities, passive bonuses, and visual themes. ### **🔥 Burning Fragment (Fire Element)** **Material**: Blaze Powder (red/orange visual) **Theme Color**: Red **Permission**: `elementaldragon.fragment.burning` **Abilities**: - **Dragon's Wrath** (`/fire 1`): Launch explosive fireball (40s cooldown) - Damage: 4 hearts on impact - Explosion power: 2.0 blocks radius - Fire spread: Ignites targets - Aliases: `wrath`, `dragons-wrath` - **Infernal Dominion** (`/fire 2`): Create fire ring around player (60s cooldown) - Radius: 8 blocks - Duration: 5 seconds - Damage: 1 heart per tick to enemies in range - Aliases: `dominion`, `infernal-dominion` **Passive Bonus**: Fire Resistance when equipped ### **💨 Agility Fragment (Wind Element)** **Material**: Feather (light/swift visual) **Theme Color**: Aqua **Permission**: `elementaldragon.fragment.agility` **Abilities**: - **Draconic Surge** (`/agile 1`): Speed II + Jump II boost (30s cooldown) - Speed: Level II for 10 seconds - Jump Boost: Level II for 10 seconds - Aliases: `surge`, `draconic-surge` - **Wing Burst** (`/agile 2`): Vertical launch with fall protection (45s cooldown) - Vertical force: 1.5 blocks/tick - Levitation: 2 seconds - Slow Falling: 3 seconds (prevents fall damage) - Aliases: `burst`, `wing-burst` **Passive Bonus**: Permanent Speed I when equipped ### **🛡️ Immortal Fragment (Earth Element)** **Material**: Totem of Undying (golden/life visual) **Theme Color**: Green **Permission**: `elementaldragon.fragment.immortal` **Abilities**: - **Draconic Reflex** (`/immortal 1`): 75% damage reduction + reflection (90s cooldown) - Damage reduction: 75% for 5 seconds - Reflection: 25% melee damage reflected - Aliases: `reflex`, `draconic-reflex` - **Essence Rebirth** (`/immortal 2`): Enhanced respawn benefits (5min cooldown) - Diamond armor piece: Random piece on respawn - Full hunger: 20 food level - Arrows: 32 arrows if bow in inventory - Aliases: `rebirth`, `essence-rebirth` **Passive Bonus**: 25% knockback reduction + 2 hearts when equipped ### **💀 Corrupted Core (Void Element)** **Material**: Nether Star (dark/powerful visual) **Theme Color**: Dark Purple **Permission**: `elementaldragon.fragment.corrupted` **Abilities**: - **Dread Gaze** (`/corrupt 1`): Blind nearby enemies (60s cooldown) - Radius: 10 blocks - Effect: Blindness II for 5 seconds - Targets: All hostile mobs in range - Aliases: `gaze`, `dread-gaze` - **Life Devourer** (`/corrupt 2`): Drain health from enemies (90s cooldown) - Range: 8 blocks - Duration: 8 seconds - Health steal: 50% of damage dealt - Drain rate: 0.5 hearts per tick - Aliases: `devourer`, `life-devourer` **Passive Bonus**: Night Vision + invisible to creepers --- ## ⚙️ Cooldown System ### **How It Works** The Elemental Dragon plugin features a sophisticated global cooldown system that balances powerful abilities with fair gameplay. #### **Default Cooldowns** Each fragment ability has a carefully balanced default cooldown: | Element | Ability 1 | Ability 2 | |---------|-----------|-----------| | Lightning | 60s | - | | Fire | 40s | 60s | | Wind (Agility) | 30s | 45s | | Earth (Immortal) | 90s | 300s (5min) | | Void (Corrupted) | 60s | 90s | #### **Cooldown Persistence** - ✅ **Survives logout/login**: Prevents bypassing cooldowns - ✅ **Survives server restart**: Cooldowns persist across restarts - ✅ **Survives fragment unequip/equip**: Spam prevention - cannot reset cooldowns by dropping and re-equipping - ✅ **Survives `/clear` command**: Clearing inventory doesn't reset cooldowns - ✅ **Cleared on death**: Fair respawn mechanics - ✅ **Independent of items**: Dropping fragment doesn't reset cooldown - ✅ **Global configuration**: Operators can override defaults **⚠️ Spam Prevention**: Cooldowns intentionally persist when you unequip/equip fragments. This prevents players from bypassing cooldowns by quickly dropping and re-equipping fragments. You must wait for the full cooldown duration even if you re-equip the fragment. #### **Cooldown Adjustment Behavior** When operators modify global cooldowns, the plugin intelligently manages active player cooldowns to ensure fairness: **The MIN Formula**: `min(current_remaining, new_max)` This ensures fair cooldown management: - **Shorter new cooldown**: Players are capped at the new maximum (prevents unfair advantage) - **Longer new cooldown**: Players keep their current cooldown (no retroactive penalty) - **Disabled (0 seconds)**: All active cooldowns for that ability are immediately cleared **Example Scenarios**: | Scenario | Player's Current | New Global | Result | Reason | |----------|-----------------|------------|--------|--------| | Speed up cooldowns | 60s remaining | 30s | **30s** | Capped to new max (fair) | | Slow down cooldowns | 20s remaining | 60s | **20s** | Keep current (no penalty) | | Disable cooldowns | 45s remaining | 0s | **0s** | Cleared immediately | | Re-enable after disable | 0s (cleared) | 60s | **0s** | Can use immediately | This design prevents abuse while maintaining fairness for players already on cooldown. ### **Operator Cooldown Control** Operators can customize cooldowns server-wide or per-player: ```bash # Change default cooldown for everyone /ed setglobalcooldown fire 1 10 # Fire ability 1 now 10s for all # Override specific player's cooldown /ed setcooldown Steve fire 1 120 # Steve's fire ability 1: 120s # View all global settings /ed getglobalcooldown # Clear a player's cooldowns /ed clearcooldown Steve # Clear all Steve's cooldowns /ed clearcooldown Steve fire # Clear only Steve's fire cooldowns ``` --- ## 🎯 Perfect For These Server Types ### **🎮 PvP Servers** - Balanced combat with cooldown-based abilities - Strategic fragment selection and timing - Fair gameplay without spam potential ### **🏰 RPG Servers** - Elemental magic system with 4 distinct classes - Quest rewards involving fragment collection - Lore system for immersive storytelling ### **🏝️ Survival Servers** - Unique abilities enhance PvE gameplay - Fragment crafting adds progression goals - Strategic choices in fragment selection ### **🎉 Mini-Game Servers** - Fragment-based game modes - Competitive ability-focused events - Custom challenges with unique mechanics --- ## 🛠️ Development & Installation ### **System Requirements** - **Minecraft**: Java Edition 1.21.8+ - **Server Software**: Paper 1.21.8-R0.1+ - **Java**: Version 21 or higher - **Memory**: Minimum 2GB RAM recommended ### **Developer Setup** **Required Software:** - **Docker Desktop** - [Download](https://www.docker.com/products/docker-desktop/) - **Java 21+** - [OpenJDK](https://adoptium.net/) or Oracle JDK - **Gradle** - [Gradle](https://gradle.org/install/) (or use included gradlew wrapper) - **Git** - [Git](https://git-scm.com/downloads) **Quick Start for Developers:** ```bash # 1. Clone repository git clone https://github.com/cavarest/elemental-dragon.git cd elemental-dragon # 2. Build plugin JAR ./build.sh # 3. Start server with plugin ./start-server.sh --rebuild # 4. Connect and test # Server: localhost:25565 # Username: posiflow (automatically configured as operator) # RCON: localhost:25575 (password: dragon123) # 5. Stop server ./stop-server.sh ``` ### **Running Tests** The project includes comprehensive unit tests to ensure code quality and reliability. ```bash # Run all tests ./gradlew test # Run tests with coverage report ./gradlew test jacocoTestReport # Run specific test class ./gradlew test --tests "*AchievementTest*" # Run tests for a package ./gradlew test --tests "org.cavarest.elementaldragon.unit.fragment.*" # Clean and run tests (force re-run) ./gradlew clean test # Run tests in continuous mode (watches for changes) ./gradlew test --continuous ``` **View Test Results:** - **HTML Test Report**: `build/reports/tests/test/index.html` - **Coverage Report**: `build/reports/jacoco/test/html/index.html` Open in browser: ```bash open build/reports/tests/test/index.html open build/reports/jacoco/test/html/index.html ``` **Current Test Coverage:** - **Total Tests**: 741 (all passing ✅) - **Overall Coverage**: 29% - **High Coverage Areas**: command.util (100%), command.base (100%), Achievement (91%) ### **Docker Development Setup** This project uses Docker for development and testing. The setup includes: **Base Image**: `itzg/minecraft-server:java21` - Official PaperMC server with Java 21 **Key Docker Features**: - **Offline-mode operator setup**: Automatic UUID generation for offline players - **Plugin hot-reloading**: JAR copied to `/image/plugins/` for easy updates - **Persisted server data**: `server-data/` volume for world and config files - **RCON access**: Enabled on port 25575 for remote administration **Offline-Mode Operator Configuration**: The server runs in **offline mode** (`ONLINE_MODE=false`) for development. In offline mode, Minecraft clients generate UUIDs differently than online mode: - **Online mode**: UUIDs fetched from Mojang's authentication servers - **Offline mode**: UUIDs generated from MD5 hash of `"OfflinePlayer:username"` **How OPS Setup Works**: 1. **Environment Variable** (`OFFLINE_OPS`): Comma-separated list of usernames who should be operators ```bash # In .env file or docker-compose.yml OFFLINE_OPS=posiflow,player2,admin3 ``` 2. **Entrypoint Script** (`entrypoint.sh`): Runs BEFORE the main `/start` script - Reads `OFFLINE_OPS` environment variable - Generates correct offline-mode UUIDs for each username - Creates `/data/ops.json` with proper format 3. **UUID Generation Algorithm**: ```bash # Matches Minecraft's offline-mode UUID (version 3) hash = MD5("OfflinePlayer:username") UUID = version3_format(hash) # xxxxxxxx-xxxx-3xxx-yxxx-xxxxxxxxxxxx ``` 4. **Skip mc-image-helper**: Setting `EXISTING_OPS_FILE=SKIP` prevents the base image from overwriting ops.json **Example for "posiflow"**: ```bash # Generated UUID: 763be461-6d24-3e4b-9e74-6ead0315f2bf # Format: 763be461-6d24-3e4b-9e74-6ead0315f2bf # ^^^^^^^^ ^^^^ ^ ^^^^ ^^^^^^^^^^^^ # part1 part2 part3 part4 part5 # ↑ # "3" = version 3 UUID (replaces first char) ``` **Docker Configuration Files**: - **Dockerfile**: Builds image with plugin JAR and entrypoint script - **docker-compose.yml**: Configures environment variables and volumes - **entrypoint.sh**: Generates offline-mode UUIDs and creates ops.json - **.env**: Local development configuration (OFFLINE_OPS, memory, etc.) **Adding More Operators**: ```bash # Option 1: Edit .env file OFFLINE_OPS=posiflow,player2,admin3 # Option 2: Set in docker-compose.yml environment: - OFFLINE_OPS=${OFFLINE_OPS:-posiflow,player2,admin3} # Option 3: Pass via command line OFFLINE_OPS="newplayer" docker-compose up ``` **Common Docker Commands**: ```bash # Start server (rebuild image) ./start-server.sh --rebuild # Start server (use cached image - faster) ./start-server.sh # View server logs docker logs -f papermc-elementaldragon # Stop server ./stop-server.sh # Access server console (interactive) docker attach papermc-elementaldragon # Press Ctrl+P, Ctrl+Q to detach without stopping # Execute commands inside container docker exec -it papermc-elementaldragon rcon-cli > op list > list ``` **Server Management Options** The `start-server.sh` script supports several options for different development workflows: | Option | Description | |--------|-------------| | `-r, --rebuild` | Rebuild Docker image and restart server (preserves server data) | | `-c, --clean` | Clean build (Gradle clean + fresh Docker image + delete all data) | | `-w, --wipe-world` | Clear world data only (preserves configs, plugins, player data) | | `-b, --blocking` | Start in blocking mode (logs shown directly, Ctrl+C to stop) | | `-h, --help` | Show help message with all options | **Common Use Cases:** ```bash # Normal development start (fastest - uses cached Docker layers) ./start-server.sh # Quick restart with rebuilt image (preserves world and configs) ./start-server.sh -r # Fresh world for testing (preserves server configuration) ./start-server.sh -w # Complete reset (new world, new configs, rebuild everything) ./start-server.sh -c # Testing with visible logs ./start-server.sh -w -b # Full reset with visible logs ./start-server.sh -c -b # Fresh world with rebuild, logs shown ./start-server.sh -r -w -b ``` **Option Details:** **`-r, --rebuild`** (Rebuild Mode) - Rebuilds Docker image with latest plugin JAR - Deletes all Docker volumes and server data - Forces fresh container startup - Use after code changes to ensure latest plugin is loaded **`-c, --clean`** (Clean Mode) - Runs Gradle clean build - Deletes all Docker volumes and server data - Forces complete Docker image rebuild - Use when Docker cache might be stale or corrupted **`-w, --wipe-world`** (World Wipe Mode) - Removes only world directories: `world/`, `world_nether/`, `world_the_end/` - Removes `session.lock` file - **Preserves**: Server configs, plugins, player data, OP settings - Use for quick world reset during testing without full reconfiguration **`-b, --blocking`** (Blocking Mode) - Starts server in foreground with logs visible - Shows server output directly in terminal - Press Ctrl+C to stop server - Use for debugging or monitoring server startup **Combining Options:** Options can be combined for different scenarios: - `-c -w`: Full reset (world already cleared by `-c`, skip redundant wipe) - `-r -w`: Rebuild image + fresh world - `-w -b`: Fresh world + visible logs - `-c -b`: Full reset + visible logs **Port Conflict Detection:** The script automatically detects and stops containers using ports 25565/25575. The detection checks **actual port bindings**, not container names, so it won't incorrectly stop containers with similar names that use different ports. If you have other PaperMC servers running on different ports (e.g., ports 35115/35125), they will not be affected. **Troubleshooting OPS Issues**: If you cannot login as operator: 1. **Check entrypoint logs**: ```bash docker logs papermc-elementaldragon | grep "Elemental Dragon Offline Ops" ``` 2. **Verify ops.json was created**: ```bash docker exec papermc-elementaldragon cat /data/ops.json ``` 3. **Check your username matches OFFLINE_OPS exactly**: ```bash # Case-sensitive! "Posiflow" != "posiflow" ``` 4. **Verify offline-mode UUID generation**: ```bash # Test UUID generation locally echo -n "OfflinePlayer:posiflow" | md5sum # Should match: 763be461-6d24-3e4b-9e74-6ead0315f2bf ``` **Why This Approach?** - ✅ **Reproducible**: Same UUID every time for the same username - ✅ **Offline-friendly**: No internet connection required - ✅ **Development-ready**: Works with any username without Mojang API - ✅ **Container-native**: All setup done in entrypoint, no manual steps --- ## 🏗️ Architecture Highlights ### **Phase 6: True Object-Oriented Design + Post-Completion Fixes** The Elemental Dragon plugin demonstrates professional software architecture with continuous improvements: #### **Single Source of Truth Pattern** - ✅ Fragment classes own ALL their metadata - ✅ Commands query Fragment dynamically (zero duplication) - ✅ Items query Fragment for visual properties - ✅ Auto-generated help, tab completion, status displays - ✅ **NEW**: Crafting recipes auto-generate displays (DRY `/craft` command) #### **Code Quality Metrics** - **62% code reduction** through architectural improvements (673 lines eliminated) - **Zero duplication** across commands, items, and recipes - **Compiler-enforced** completeness via interfaces - **206 tests passing** with comprehensive coverage - **Intelligent cooldown management** with MIN formula and clear-on-disable #### **Design Patterns Applied** 1. **Single Source of Truth**: Fragments own their data, CraftingManager owns recipes 2. **Template Method**: AbstractFragment provides structure 3. **Dependency Injection**: Commands inject Fragment instances 4. **Strategy Pattern**: Interchangeable Fragment implementations 5. **Command Pattern**: Subcommand registry for admin functions 6. **Introspection Pattern**: Runtime recipe querying for `/craft` command #### **Recent Improvements (Phase 6 Post-Completion)** **DRY `/craft` Command**: - Before: Recipes hardcoded in 2 places (CraftingManager + CraftCommand) - After: Single source of truth with runtime introspection via `RecipeData` class - Impact: Recipe changes now require updating only 1 location **Intelligent Cooldown Adjustment**: - Formula: `min(current_remaining, new_max)` ensures fairness - Prevents unfair advantages when cooldowns decrease - No retroactive penalties when cooldowns increase - Clear-on-disable: Setting cooldown to 0 clears all active player cooldowns **Lightning Global Cooldown Support**: - Lightning ability now respects global cooldown settings - `/ed setglobalcooldown lightning 1 ` works correctly - Integration with `AbilityManager` for unified cooldown system - Consistent behavior across all element types --- ## 📚 Complete Documentation ### 🎮 [User Documentation](docs/user/) - [Complete User Guide](docs/user/README.md) - Features and usage - [Installation Guide](docs/user/installation.md) - Setup instructions ### 🔧 [Administrator Documentation](docs/admin/) - [Commands Reference](docs/admin/commands.md) - All admin commands - [Testing Guide](docs/admin/testing.md) - Testing procedures - [Docker Guide](docs/admin/docker.md) - Container deployment ### 💻 [Developer Documentation](docs/dev/) - [Architecture](docs/dev/frameworks.md) - System design - [Testing](docs/dev/testing.md) - Test framework --- ## 🎯 Why This Plugin Will Transform Your Server ### **🎯 Player Engagement** - **4 Unique Elements**: Fire, Wind, Earth, Void with distinct abilities - **Skill-Based**: Requires timing, positioning, and strategy - **Visual Spectacle**: Unique particles and effects for each element - **Strategic Depth**: Fragment selection and cooldown management ### **📊 Server Benefits** - **Balanced Gameplay**: Carefully tuned cooldowns prevent spam - **Performance**: Optimized for Paper 1.21.8+ with minimal impact - **Stability**: 197 passing tests ensure reliability - **Extensibility**: Clean architecture makes customization easy ### **🌟 Competitive Advantage** - **Unique System**: Elemental fragments set your server apart - **Player Retention**: 8+ unique abilities keep gameplay fresh - **Fair Balance**: Global cooldown system prevents abuse - **Content Rich**: Lore, achievements, and progression systems --- ## 🐛 Troubleshooting ### **Common Issues & Solutions** #### **Plugin Not Loading** ```bash # Check Java version (must be 21+) java -version # Verify JAR location ls plugins/ElementalDragon*.jar # Check server logs tail -f logs/latest.log | grep -i elementaldragon ``` #### **Command Not Working** ```bash # Check permissions /lp user permission check elementaldragon.fragment.burning # Verify fragment equipped /fire status # Check command registration /help fire ``` #### **Cooldown Issues** ```bash # View player cooldowns /ed getcooldown # View global settings /ed getglobalcooldown # Clear stuck cooldown /ed clearcooldown ``` --- ## 📈 Architecture & Testing ### **Testing Framework** - **🧪 749 Unit Tests**: Complete coverage with JUnit and Mockito - **🔧 Integration Tests**: End-to-end YAML-driven scenarios - **🐳 Docker Support**: Containerized development environment - **✅ CI/CD**: Automated testing on every commit - **📊 29% Coverage**: Focus on testable business logic (Bukkit API limits integration testing) ### **Code Quality** - **SOLID Principles**: Applied throughout codebase - **Design Patterns**: Professional architecture patterns - **Zero Duplication**: DRY principle strictly enforced - **Type Safety**: Compile-time validation --- ## 📞 Support & Community ### **Getting Help** - **GitHub Issues**: [Report bugs or request features](https://github.com/cavarest/elemental-dragon/issues) - **Documentation**: Comprehensive guides in `/docs` directory - **Community**: Connect with other server administrators ### **Contributing** - **Bug Reports**: Help us improve by reporting issues - **Feature Requests**: Suggest new abilities or improvements - **Code Contributions**: Submit pull requests --- ## 📄 License & Credits **License**: MIT License - Free for personal and commercial use **Author**: The Cavarest project **Version**: 1.1.0 **Minecraft Version**: 1.21.8+ **Paper API**: 1.21.8-R0.1-SNAPSHOT ---

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