Skywalker

Simple rock-paper-scissor-spock-lizard game to figure out various parts involved in making a good turn based game using GameCenter

Requirements

• Create new matches
• Join existing matches
• Saving turn to GameCenter
• Saving match result to GameCenter
• Decoupling slow moving UI with animations vs fast moving game logic
• Handling state advancement with multiple clients running their own state machines
• Updating current running game with latest data
• Handling auto match players properly
• Add ability to rematch after the match has ended
• Pausing game and resuming UI from that event
• Positioning local player at the primary position on screen (e.g. bottom)
• Local game against AI without changing any of the game logic
• Keeping match data local for a quick glance
• Notifications for turns on inactive matches
• Handling GameInvite/turn notifications properly
• Handle players quitting the game

Game Center Quirks

• GameCenter auto match players have nil identifier
• The person initiating the game always get the first turn
• There has been a case where the match loaded and it had no participants