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Update documentation to reflect current implementation and features

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- Expand README.md with complete feature list (quests, vendors, combat, spells, inventory, etc.)
- Update Controls section with comprehensive keybindings organized by category
- Rewrite docs/quickstart.md from "TODO" state to reflect all working features
- Enhance docs/architecture.md with detailed system descriptions and current capabilities
- Add CHANGELOG.md documenting 50+ recent commits grouped by feature area
- Add FEATURES.md with 100+ documented features across 8 major categories
- Update technical details with architecture, networking, and asset loading info
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@ -135,93 +135,197 @@ Wowee follows a modular architecture with clear separation of concerns:
### 5. Game Logic (`src/game/`)
**GameHandler** - World server protocol
- Connects to port 8129
- Packet handlers for all opcodes
- Session management
- Connects to port 8085 (configurable)
- Packet handlers for 100+ opcodes
- Session management with RC4 encryption
- Character enumeration and login flow
**World** - Game world state
- Map loading
- Entity management
- Terrain streaming
- Map loading with async terrain streaming
- Entity management (players, NPCs, creatures)
- Zone management and exploration
- Time-of-day synchronization
**Player** - Player character
- Position and movement
- Stats and inventory
- Action queue
- Position and movement (WASD + spline movement)
- Stats tracking (health, mana, XP, level)
- Equipment and inventory (23 + 16 slots)
- Action queue and spell casting
- Death and resurrection handling
**Character** - Character data
- Race, class, gender, appearance
- Creation and customization
- 3D model preview
- Persistence (online and offline)
**Entity** - Game entities
- NPCs and creatures
- Base entity functionality
- GUID management
- NPCs and creatures with display info
- Animation state (idle, combat, walk, run)
- GUID management (player, creature, item, gameobject)
- Targeting and selection
**Inventory** - Item management
- Equipment slots (head, shoulders, chest, etc.)
- Backpack storage (16 slots)
- Item metadata (icons, stats, durability)
- Drag-drop system
- Auto-equip and unequip
**NPCManager** - NPC interactions
- Gossip system
- Quest givers with markers (! and ?)
- Vendors (buy/sell)
- Trainers (placeholder)
- Combat animations
**ZoneManager** - Zone and area tracking
- Map exploration
- Area discovery
- Zone change detection
**Opcodes** - Protocol definitions
- Client→Server opcodes (CMSG_*)
- Server→Client opcodes (SMSG_*)
- WoW 3.3.5a specific
- 100+ Client→Server opcodes (CMSG_*)
- 100+ Server→Client opcodes (SMSG_*)
- WoW 3.3.5a (build 12340) specific
### 6. Asset Pipeline (`src/pipeline/`)
**MPQManager** - Archive management
- Loads .mpq files (via StormLib)
- File lookup
- Data extraction
- Priority-based file lookup (patch files override base files)
- Data extraction with caching
- Locale support (enUS, enGB, etc.)
**BLPLoader** - Texture parser
- BLP format (Blizzard texture format)
- DXT compression support
- Mipmap extraction
- DXT1/3/5 compression support
- Mipmap extraction and generation
- OpenGL texture object creation
**M2Loader** - Model parser
- Character/creature models
- Skeletal animation data
- Bone hierarchies
- Animation sequences
- Character/creature models with materials
- Skeletal animation data (256 bones max)
- Bone hierarchies and transforms
- Animation sequences (idle, walk, run, attack, etc.)
- Particle emitters (WotLK FBlock format)
- Attachment points (weapons, mounts, etc.)
- Geoset support (hide/show body parts)
- Multiple texture units and render batches
**WMOLoader** - World object parser
- Buildings and structures
- Static geometry
- Portal system
- Doodad placement
- Multi-material batches
- Portal system (visibility culling)
- Doodad placement (decorations)
- Group-based rendering
- Liquid data (indoor water)
**ADTLoader** - Terrain parser
- 16x16 chunks per map
- Height map data
- Texture layers (up to 4)
- Liquid data (water/lava)
- Object placement
- 64x64 tiles per map (map_XX_YY.adt)
- 16x16 chunks per tile (MCNK)
- Height map data (9x9 outer + 8x8 inner vertices)
- Texture layers (up to 4 per chunk with alpha blending)
- Liquid data (water/lava/slime with height and flags)
- Object placement (M2 and WMO references)
- Terrain holes
- Async loading to prevent frame stalls
**DBCLoader** - Database parser
- Game data tables
- Creature/spell/item definitions
- Map and area information
- 20+ DBC files loaded (Spell, Item, Creature, SkillLine, Faction, etc.)
- Type-safe record access
- String block parsing
- Memory-efficient caching
- Used for:
- Spell icons and tooltips (Spell.dbc, SpellIcon.dbc)
- Item data (Item.dbc, ItemDisplayInfo.dbc)
- Creature display info (CreatureDisplayInfo.dbc, CreatureModelData.dbc)
- Class and race info (ChrClasses.dbc, ChrRaces.dbc)
- Skill lines (SkillLine.dbc, SkillLineAbility.dbc)
- Faction and reputation (Faction.dbc)
- Map and area names (Map.dbc, AreaTable.dbc)
### 7. UI System (`src/ui/`)
**UIManager** - ImGui coordinator
- ImGui initialization
- Event handling
- Render dispatch
- ImGui initialization with SDL2/OpenGL backend
- Event handling and input routing
- Render dispatch with opacity control
- Screen state management
**AuthScreen** - Login interface
- Username/password input
- Username/password input fields
- Server address configuration
- Connection status
- "Single Player" offline mode button
- Connection status and error messages
**RealmScreen** - Server selection
- Realm list display
- Population info
- Realm type (PvP/PvE/RP)
- Realm list display with names and types
- Population info (Low/Medium/High/Full)
- Realm type indicators (PvP/PvE/RP/RPPvP)
- Auto-select for single realm
**CharacterScreen** - Character selection
- Character list with 3D preview
- Create/delete characters
- Character list with 3D animated preview
- Stats panel (level, race, class, location)
- Create/delete character buttons
- Enter world button
- Auto-select for single character
**GameScreen** - In-game UI
- Chat window
- Action bars
- Character stats
- Minimap
**CharacterCreateScreen** - Character creation
- Race selection (all Alliance and Horde races)
- Class selection (class availability by race)
- Gender selection
- Appearance customization (face, skin, hair, color, features)
- Name input with validation
- 3D character preview
**GameScreen** - In-game HUD
- Chat window with message history and formatting
- Action bar (12 slots with icons, cooldowns, keybindings)
- Target frame (name, level, health, hostile/friendly coloring)
- Player stats (health, mana/rage/energy)
- Minimap with quest markers
- Experience bar
**InventoryScreen** - Inventory management
- Equipment paper doll (23 slots: head, shoulders, chest, etc.)
- Backpack grid (16 slots)
- Item icons with tooltips
- Drag-drop to equip/unequip
- Item stats and durability
- Gold display
**SpellbookScreen** - Spells and abilities
- Tabbed interface (class specialties + General)
- Spell icons organized by SkillLine
- Spell tooltips (name, rank, cost, cooldown, description)
- Drag-drop to action bar
- Known spell tracking
**QuestLogScreen** - Quest tracking
- Active quest list
- Quest objectives and progress
- Quest details (description, objectives, rewards)
- Abandon quest button
- Quest level and recommended party size
**TalentScreen** - Talent trees
- Placeholder for talent system
- Tree visualization (TODO)
- Talent point allocation (TODO)
**Settings Window** - Configuration
- UI opacity slider
- Graphics options (TODO)
- Audio controls (TODO)
- Keybinding customization (TODO)
**Loading Screen** - Map loading progress
- Progress bar with percentage
- Background image (map-specific, TODO)
- Loading tips (TODO)
- Shown during world entry and map transitions
## Data Flow Examples
@ -306,15 +410,21 @@ Renderer draws in next frame
## Threading Model
Currently **single-threaded**:
Currently **single-threaded** with async operations:
- Main thread: Window events, update, render
- Network I/O: Non-blocking in main thread
- Asset loading: Synchronous in main thread
- Network I/O: Non-blocking in main thread (event-driven)
- Asset loading: Async terrain streaming (non-blocking chunk loads)
**Async Systems Implemented:**
- Terrain streaming loads ADT chunks asynchronously to prevent frame stalls
- Network packets processed in batches per frame
- UI rendering deferred until after world rendering
**Future multi-threading opportunities:**
- Asset loading thread pool (background texture/model loading)
- Asset loading thread pool (background texture/model decompression)
- Network thread (dedicated for socket I/O)
- Physics thread (if collision detection is added)
- Audio streaming thread
## Memory Management
@ -326,21 +436,34 @@ Currently **single-threaded**:
## Performance Considerations
### Rendering
- **Frustum culling:** Only render visible chunks
- **Batching:** Group draw calls by material
- **Frustum culling:** Only render visible chunks (terrain and WMO groups)
- **Distance culling:** WMO groups culled beyond 160 units
- **Batching:** Group draw calls by material and shader
- **LOD:** Distance-based level of detail (TODO)
- **Occlusion:** Portal-based visibility (WMO system)
- **GPU skinning:** Character animation computed on GPU (256 bones)
- **Instancing:** Future optimization for repeated models
### Asset Streaming
- **Lazy loading:** Load chunks as player moves
- **Unloading:** Free distant chunks
- **Caching:** Keep frequently used assets in memory
- **Async loading:** Terrain chunks load asynchronously (prevents frame stalls)
- **Lazy loading:** Load chunks as player moves within streaming radius
- **Unloading:** Free distant chunks automatically
- **Caching:** Keep frequently used assets in memory (textures, models)
- **Priority queue:** Load visible chunks first
### Network
- **Non-blocking I/O:** Never stall main thread
- **Packet buffering:** Handle multiple packets per frame
- **Batch processing:** Process received packets in batches
- **RC4 encryption:** Efficient header encryption (minimal overhead)
- **Compression:** Some packets are compressed (TODO)
### Memory Management
- **Smart pointers:** Automatic cleanup, no memory leaks
- **Object pooling:** Reuse particle objects (weather system)
- **DBC caching:** Load once, access fast
- **Texture sharing:** Same texture used by multiple models
## Error Handling
- **Logging:** All errors logged with context
@ -363,16 +486,31 @@ Currently hardcoded, future config system:
- Packet serialization/deserialization
- SRP math functions
- Asset parsers with sample files
- DBC record parsing
- Inventory slot calculations
**Integration Testing** (TODO):
- Full auth flow against test server
- Realm list retrieval
- Character selection
- Character creation and selection
- Quest turn-in flow
- Vendor transactions
**Manual Testing:**
- Visual verification of rendering
- Performance profiling
- Visual verification of rendering (terrain, water, models, particles)
- Performance profiling (F1 performance HUD)
- Memory leak checking (valgrind)
- Online gameplay against TrinityCore/MaNGOS servers
- Single-player mode functionality
- UI interactions (drag-drop, click events)
**Current Test Coverage:**
- Full authentication flow tested against live servers
- Character creation and selection verified
- Quest system tested (accept, track, turn-in)
- Vendor system tested (buy, sell)
- Combat system tested (targeting, auto-attack, spells)
- Inventory system tested (equip, unequip, drag-drop)
## Build System

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@ -2,192 +2,253 @@
## Current Status
The native wowee client foundation is **complete and functional**! The application successfully:
Wowee is a **fully functional native C++ World of Warcraft 3.3.5a client**! The application includes:
✅ Opens a native Linux window (1920x1080)
✅ Creates an OpenGL 3.3+ rendering context
✅ Initializes SDL2 for window management and input
✅ Sets up ImGui for UI rendering (ready to use)
✅ Implements a complete application lifecycle
✅ Complete SRP6a authentication system
✅ Character creation and selection
✅ Full 3D rendering engine (terrain, water, sky, characters, buildings, particles)
✅ Online multiplayer gameplay (movement, combat, spells, inventory, quests)
✅ Offline single-player mode
✅ Comprehensive UI system (action bar, spellbook, inventory, quest log, chat)
✅ Asset pipeline for all WoW formats (MPQ, BLP, M2, ADT, WMO, DBC)
## What Works Right Now
## Quick Start
### Prerequisites
Ensure you have all dependencies installed (see main README.md for details).
### Build & Run
```bash
# Build the project
cd wowee/build
# Clone the repository
git clone https://github.com/yourname/wowee.git
cd wowee
# Get ImGui (required)
git clone https://github.com/ocornut/imgui.git extern/imgui
# Set up game data (see "Game Data" section in README.md)
# Either symlink Data/ directory or set WOW_DATA_PATH environment variable
# Build
mkdir build && cd build
cmake ..
make -j$(nproc)
# Run the application
# Run
./bin/wowee
```
The application will:
- Open a window with SDL2
- Initialize OpenGL 3.3+ with GLEW
- Set up the rendering pipeline
- Run the main game loop
- Handle input and events
- Close cleanly on window close or Escape key
## What Works Right Now
## What You See
### Authentication & Character Selection
- Login with username and password
- Realm selection with population info
- Character list with 3D preview
- Character creation (all races and classes)
- Enter world seamlessly
Currently, the window displays a blue gradient background (clear color: 0.2, 0.3, 0.5). This is the base rendering loop working correctly.
### In-Game Gameplay
- **Movement**: WASD movement with camera orbit
- **Combat**: Auto-attack, spell casting, damage calculation
- **Targeting**: Click-to-target, tab-cycling, faction-based hostility
- **Inventory**: Full equipment and backpack system with drag-drop
- **Spells**: Spellbook organized by class specialties, drag-drop to action bar
- **Quests**: Quest markers on NPCs and minimap, quest log, quest details, turn-in
- **Vendors**: Buy and sell items with gold tracking
- **Loot**: Loot window for items and gold
- **Chat**: Send and receive chat messages (SAY, YELL, WHISPER)
- **NPCs**: Gossip interactions, animations
## Next Steps
### Rendering
- Multi-tile terrain streaming with async loading
- Animated water with reflections and refractions
- Dynamic day/night cycle with sun and moon
- Procedural star field (1000+ stars)
- Volumetric clouds with FBM noise
- Weather effects (rain and snow)
- Skeletal character animations (256 bones, GPU skinning)
- Building rendering (WMO) with frustum culling
- M2 particle emitters
- Post-processing (HDR, tonemapping, shadow mapping)
The foundation is in place. Here's what needs implementation next (in recommended order):
### Single-Player Mode
- Play offline without a server connection
- Local character persistence
- Simulated combat and XP
- Settings persistence
### 1. Authentication System (High Priority)
**Files:** `src/auth/srp.cpp`, `src/auth/auth_handler.cpp`
**Goal:** Implement SRP6a authentication protocol
## Common Tasks
Reference the original wowee implementation:
- `/wowee/src/lib/auth/handler.js` - Auth packet flow
- `/wowee/src/lib/crypto/srp.js` - SRP implementation
### Connecting to a Server
Key tasks:
- Implement `LOGON_CHALLENGE` packet
- Implement `LOGON_PROOF` packet
- Port SHA1 and big integer math (already have OpenSSL)
1. Launch wowee: `./bin/wowee`
2. Enter your username and password
3. Enter the auth server address (default: `localhost`)
4. Click "Login"
5. Select your realm from the list
6. Select or create a character
7. Click "Enter World"
### 2. Network Protocol (High Priority)
**Files:** `src/game/game_handler.cpp`, `src/game/opcodes.hpp`
**Goal:** Implement World of Warcraft 3.3.5a packet protocol
### Single-Player Mode
Reference:
- `/wowee/src/lib/game/handler.js` - Packet handlers
- `/wowee/src/lib/game/opcode.js` - Opcode definitions
- [WoWDev Wiki](https://wowdev.wiki/) - Protocol documentation
1. Launch wowee
2. Click "Single Player" on the auth screen
3. Create or select a character
4. Play offline without a server connection
Key packets to implement:
- `SMSG_AUTH_CHALLENGE` / `CMSG_AUTH_SESSION`
- `CMSG_CHAR_ENUM` / `SMSG_CHAR_ENUM`
- `CMSG_PLAYER_LOGIN`
- Movement packets (CMSG_MOVE_*)
### Playing the Game
### 3. Asset Pipeline (Medium Priority)
**Files:** `src/pipeline/*.cpp`
**Goal:** Load and parse WoW game assets
**Movement**:
- WASD to move
- Mouse to look around / orbit camera
- Shift for sprint
Formats to implement:
- **BLP** (`blp_loader.cpp`) - Texture format
- **M2** (`m2_loader.cpp`) - Character/creature models
- **ADT** (`adt_loader.cpp`) - Terrain chunks
- **WMO** (`wmo_loader.cpp`) - World map objects (buildings)
- **DBC** (`dbc_loader.cpp`) - Game databases
**Combat**:
- Left-click to target enemies
- Tab to cycle targets
- 1-9, 0, -, = to use action bar abilities
- Drag spells from spellbook (P) to action bar
Resources:
- [WoWDev Wiki - File Formats](https://wowdev.wiki/)
- Original parsers in `/wowee/src/lib/pipeline/`
- StormLib is already linked for MPQ archive reading
**Inventory**:
- Press I to open inventory
- Drag items to equipment slots to equip
- Drag items to vendors to sell
- Drag items to action bar to use
### 4. Terrain Rendering (Medium Priority)
**Files:** `src/rendering/renderer.cpp`, `src/game/world.cpp`
**Goal:** Render game world terrain
**Quests**:
- Click NPCs with ! marker to get quests
- Press L to view quest log
- Click NPCs with ? marker to turn in quests
- Quest markers appear on minimap
Tasks:
- Load ADT terrain chunks
- Parse height maps and texture layers
- Create OpenGL meshes from terrain data
- Implement chunk streaming based on camera position
- Add frustum culling
**Chat**:
- Press Enter to open chat
- Type message and press Enter to send
- Chat commands: /say, /yell, /whisper [name]
Shaders are ready at `assets/shaders/basic.vert` and `basic.frag`.
### Development & Debugging
### 5. Character Rendering (Low Priority)
**Files:** `src/rendering/renderer.cpp`
**Goal:** Render player and NPC models
**Performance Monitoring**:
- Press F1 to toggle performance HUD
- Shows FPS, draw calls, triangle count, GPU usage
Tasks:
- Load M2 model format
- Implement skeletal animation system
- Parse animation tracks
- Implement vertex skinning in shaders
- Render character equipment
**Rendering Debug**:
- F2: Toggle wireframe mode
- F9: Toggle time progression
- F10: Toggle sun/moon
- F11: Toggle stars
- +/-: Manual time control
- C: Toggle clouds
- L: Toggle lens flare
- W: Cycle weather
### 6. UI Screens (Low Priority)
**Files:** `src/ui/*.cpp`
**Goal:** Create game UI with ImGui
**Settings**:
- Settings window available in-game
- Adjust UI opacity
- Configure graphics options
Screens to implement:
- Authentication screen (username/password input)
- Realm selection screen
- Character selection screen
- In-game UI (chat, action bars, character panel)
### Advanced Configuration
ImGui is already initialized and ready to use!
**Environment Variables**:
```bash
# Set custom WoW data path
export WOW_DATA_PATH="/path/to/WoW-3.3.5a/Data"
## Development Tips
### Adding New Features
1. **Window/Input:** Use `window->getSDLWindow()` and `Input::getInstance()`
2. **Rendering:** Add render calls in `Application::render()`
3. **Game Logic:** Add updates in `Application::update(float deltaTime)`
4. **UI:** Use ImGui in `UIManager::render()`
### Debugging
```cpp
#include "core/logger.hpp"
LOG_DEBUG("Debug message");
LOG_INFO("Info message");
LOG_WARNING("Warning message");
LOG_ERROR("Error message");
# Run with custom data path
WOW_DATA_PATH="/path/to/data" ./bin/wowee
```
### State Management
**Server Configuration**:
Edit auth server address in the login screen or configure default in Application settings.
The application uses state machine pattern:
```cpp
AppState::AUTHENTICATION // Login screen
AppState::REALM_SELECTION // Choose server
AppState::CHARACTER_SELECTION // Choose character
AppState::IN_GAME // Playing the game
AppState::DISCONNECTED // Connection lost
```
## Troubleshooting
Change state with:
```cpp
Application::getInstance().setState(AppState::IN_GAME);
```
### Connection Issues
## Testing Without a Server
**Problem**: Cannot connect to authentication server
- Check that the auth server is running and reachable
- Verify the server address and port (default: 3724)
- Check firewall settings
For development, you can:
**Problem**: Disconnected during gameplay
- Network timeout or unstable connection
- Check server logs for errors
- Application will return to authentication screen
1. **Mock authentication** - Skip SRP and go straight to realm selection
2. **Load local assets** - Test terrain/model rendering without network
3. **Stub packet handlers** - Return fake data for testing UI
### Rendering Issues
## Performance Notes
**Problem**: Low FPS or stuttering
- Press F1 to check performance stats
- Reduce graphics settings in settings window
- Check GPU driver version
Current configuration:
**Problem**: Missing textures or models
- Verify all WoW 3.3.5a MPQ files are present in Data/ directory
- Check that Data/ path is correct (or WOW_DATA_PATH is set)
- Look for errors in console output
**Problem**: Terrain not loading
- Async terrain streaming may take a moment
- Check for MPQ read errors in console
- Verify ADT files exist for the current map
### Gameplay Issues
**Problem**: Cannot interact with NPCs
- Ensure you're within interaction range (5-10 yards)
- Check that NPC is not in combat
- Left-click to target NPC first
**Problem**: Spells not working
- Check that you have enough mana/rage/energy
- Verify spell is on cooldown (check action bar)
- Ensure you have a valid target (for targeted spells)
**Problem**: Items not equipping
- Check that item is for your class
- Verify you meet level requirements
- Ensure equipment slot is not already occupied (or drag to replace)
### Performance Notes
Default configuration:
- **VSync:** Enabled (60 FPS cap)
- **Resolution:** 1920x1080 (configurable in `Application::initialize()`)
- **Resolution:** 1920x1080 (configurable in Application settings)
- **OpenGL:** 3.3 Core Profile
- **Rendering:** Deferred until `renderWorld()` is implemented
- **Shadow Map:** 2048x2048 resolution
- **Particles:** 2000 max (weather), emitter-dependent (M2)
Optimization tips:
- Frustum culling automatically enabled
- Terrain streaming loads chunks as needed
- WMO distance culling at 160 units
- Async terrain loading prevents frame stalls
## Useful Resources
- **Original Wowee:** `/woweer/` directory - JavaScript reference implementation
- **WoWDev Wiki:** https://wowdev.wiki/ - File formats and protocol docs
- **TrinityCore:** https://github.com/TrinityCore/TrinityCore - Server reference
- **ImGui Demo:** Run `ImGui::ShowDemoWindow()` for UI examples
- **WoWDev Wiki:** https://wowdev.wiki/ - File formats and protocol documentation
- **TrinityCore:** https://github.com/TrinityCore/TrinityCore - Server reference implementation
- **MaNGOS:** https://github.com/cmangos/mangos-wotlk - Alternative server reference
- **StormLib:** https://github.com/ladislav-zezula/StormLib - MPQ library documentation
- **ImGui:** https://github.com/ocornut/imgui - UI framework
## Known Issues
None! The foundation is solid and ready for feature implementation.
- **Stormwind Mage Quarter**: Water overflows near Moonwell area (geometry constraint issue)
- **Particle emitters**: Some complex emitters may have minor visual glitches
- **Hair textures**: Occasional texture resolution on some race/gender combinations
## Need Help?
See GitHub issues for full list and tracking.
1. Check the original wowee codebase for JavaScript reference implementations
## Getting Help
1. Check console output for error messages (use `LOG_DEBUG` builds for verbose output)
2. Consult WoWDev Wiki for protocol and format specifications
3. Look at TrinityCore source for server-side packet handling
4. Use `LOG_DEBUG()` extensively for troubleshooting
3. Review Architecture documentation for system design
4. Report bugs on GitHub issue tracker
---
**Ready to build a native WoW client!** 🎮
**Enjoy playing WoW with a native C++ client!** 🎮