🎮 Web-Powered Tic-Tac-Toe Game

This is a fully-featured Tic-Tac-Toe game built with Flask, Pygame, PostgreSQL/Firebase, and WebSockets.
It supports multiplayer matchmaking, AI opponents, chat system, leaderboards, animations, and sound effects.

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🚀 Features

✅ Classic Tic-Tac-Toe Gameplay (Pygame-based UI)
✅ Multiplayer Mode (Real-time matchmaking via Flask-SocketIO)
✅ Single-Player Mode (AI Opponent) (Minimax Algorithm)
✅ ELO-Based Ranking System
✅ In-Game Chat System
✅ Flashing Win Animation & Sound Effects
✅ Match History & Leaderboard

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📚 Project Structure

tic-tac-toe-web/
├── backend/                     # Flask Backend
│   ├── models/                   # Database Models
│   ├── routes/                   # API Endpoints
│   ├── services/                 # Business Logic
│   ├── utils/                    # Utilities
│   ├── database/                 # Database Setup
│   ├── scripts/                  # Deployment & Server Management
│   ├── tests/                    # Unit & Integration Tests
│   ├── config.py                 # Configuration
│   ├── app.py                    # Main Flask Application
│   ├── requirements.txt          # Dependencies
│   ├── .env                      # Environment Variables
│   ├── README.md                 # Backend Documentation
├── frontend/                     # Pygame Frontend
│   ├── assets/                    # Game Assets (Images, Sounds)
│   ├── components/                # UI Components
│   ├── services/                  # API & WebSocket Services
│   ├── main.py                    # Main Pygame Application
│   ├── settings.py                # Game Configuration
│   ├── README.md                  # Frontend Documentation
├── README.md                      # Full Project Documentation

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📦 Installation & Setup

1️⃣ Clone the Repository

git clone https://github.com/Nuraj250/tic-tac-toe-web.git
cd tic-tac-toe-web

2️⃣ Backend Setup

Create Virtual Environment & Install Dependencies

cd backend
python -m venv venv
source venv/bin/activate  # Windows: venv\Scripts\activate
pip install -r requirements.txt

Configure Environment Variables

Create a .env file in backend/:

SECRET_KEY=your_secret_key
JWT_SECRET_KEY=your_jwt_secret
DATABASE_URL=postgresql://user:password@localhost/tic_tac_toe
SOCKETIO_MESSAGE_QUEUE=redis://

Initialize Database

python database/init_db.py

Start the Flask API

bash scripts/start_server.sh

or manually:

python app.py

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3️⃣ Frontend Setup

Install Dependencies

cd frontend
pip install pygame requests socketio-client

Run the Pygame Frontend

bash ../backend/scripts/start_game.sh

or manually:

python main.py

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🎮 Gameplay Instructions

Game Controls

• Click on a cell to place your move.
• Wait for your turn (if multiplayer).
• Press "H" to view match history.
• Click "Restart" after a win to start a new game.

Multiplayer Mode

1. The game automatically pairs two players.
2. Wait in the lobby until an opponent joins.
3. Moves are synced in real-time via WebSockets.

Single-Player Mode (vs AI)

1. Click on a cell to place "X".
2. AI will automatically respond as "O".
3. Try to win against the AI!

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📡 API Endpoints

🔐 Authentication

Method	Endpoint	Description
POST	/api/auth/register	Register a new user
POST	/api/auth/login	Login & get JWT token

🎮 Game Logic

Method	Endpoint	Description
POST	/api/game/play_move	Submit a move
GET	/api/match/{id}	Get match history

🤖 AI Opponent

Method	Endpoint	Description
POST	/api/ai-move	Get AI move suggestion

🏆 Leaderboard

Method	Endpoint	Description
GET	/api/leaderboard	Get top players

💬 Chat System

Method	Endpoint	Description
POST	/api/chat/send-message	Send chat message

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🔊 Sound & Animations

Animations

• Moves are animated with a fade effect.
• Winning row flashes yellow before showing the restart button.

Sound Effects

Action	Sound File	Description
Move Placement	move_sound.wav	Plays when a move is made
Click Sound	click_sound.wav	Plays when clicking UI elements
Win Sound	win_sound.wav	Plays when a player wins

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📜 Deployment

1️⃣ Deploy on Heroku

heroku login
heroku create tic-tac-toe-web
git push heroku main

2️⃣ Deploy on AWS (EC2)

scp -i your-key.pem backend/* ec2-user@your-instance:/home/ec2-user/
ssh -i your-key.pem ec2-user@your-instance

3️⃣ Deploy on DigitalOcean

Use Docker:

docker build -t tic-tac-toe-backend .
docker run -p 5000:5000 tic-tac-toe-backend

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💡 Troubleshooting

Game Won't Start?

• Ensure Flask backend is running:

bash backend/scripts/start_server.sh

• Check API_BASE_URL in frontend/settings.py.

Database Connection Issues

• Ensure PostgreSQL is running:

sudo service postgresql start

• Verify database URL in .env.

Flask-SocketIO Not Working?

• Install Redis:

sudo apt install redis-server

• Start Redis:

redis-server

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🐝 License

This project is licensed under the MIT License.

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💍 Connect

💻 Nuraj
🚀 Happy Coding! 🎮🔥