Design (LLD) Casino Game - Machine Coding
We need to design a casino game system that can support multiple types of games with common casino features like player management, betting, and payout. The system should be extensible to add new games easily.
Features Required
Multiple game types (Slots, Blackjack, Roulette)
Player account management
Betting system
Payout calculation
Game rules enforcement
Game state management
Design Patterns Used
Factory Pattern - To create different types of games flexibly
- Reason: We need to create different game objects without exposing instantiation logic
Strategy Pattern - For different game algorithms and payout calculations
- Reason: Each game has different rules and payout strategies that can vary
Observer Pattern - To notify players of game outcomes
- Reason: Players need to be notified when game results are available
Singleton Pattern - For the casino management system
- Reason: There should only be one instance of the casino managing all games
State Pattern - To manage game states (waiting, playing, payout)
- Reason: Games transition through different states with different behaviors
Decorator Pattern - For bonus features and special bets
- Reason: To add additional behaviors to base bets dynamically
Algorithms Involved
Slot Machine Algorithm - Random number generation for symbols
Blackjack Algorithm - Card dealing and scoring logic
Roulette Algorithm - Wheel spin and number selection
Payout Algorithm - Calculating winnings based on bet type and odds