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You are designing a multiplayer game with complex states like LOBBY, MATCHMAKING, IN_GAME, PAUSED, and GAME_OVER. Which approach best supports scalability and easy state transitions for many players?

hard📝 Trade-off Q15 of Q15

LLD - Design — Chess Game

You are designing a multiplayer game with complex states like LOBBY, MATCHMAKING, IN_GAME, PAUSED, and GAME_OVER. Which approach best supports scalability and easy state transitions for many players?

AUse a centralized state manager with a state machine pattern and event-driven updates per player

BStore each player's state in a simple variable and update it directly without structure

CUse global variables for all states and check them in every game loop iteration

DHardcode state transitions inside each player's input handler

Step-by-Step Solution

Solution:

Step 1: Understand scalability needs
Many players and complex states require organized, scalable management to avoid bugs and support concurrency.
Step 2: Evaluate approaches
A centralized state manager using a state machine and event-driven updates cleanly handles transitions and scales well.
Final Answer:
Use a centralized state manager with a state machine pattern and event-driven updates per player -> Option A
Quick Check:
Centralized state machine + events = scalable design [OK]

Quick Trick: Centralized state machine with events scales best [OK]

Common Mistakes:

MISTAKES

Using global variables causing race conditions
Hardcoding transitions making maintenance hard
No structure causing bugs with many players

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