# PlayMaker

Authenticate and use platform game services (Game Center / Google Play Games): achievements, leaderboards, friends, and server credentials.

## Key patterns

* `GameServicesAuthenticate.successEvent` only means the request was dispatched. Wait for `GameServicesOnAuthStatusChange.authenticatedEvent` before calling authenticated-only actions.
* Keep `GameServicesOnAuthStatusChange` in a state that stays active for the session; auth status can change at any time.
* Most “load/report” actions already wait for completion and cache results; use the matching `GameServicesGet*` extractor actions immediately after SUCCESS/FAILURE.

## Action groups (quick reference)

* Auth: `GameServicesAuthenticate`, `GameServicesOnAuthStatusChange`, `GameServicesIsAuthenticated`, `GameServicesSignout`, `GameServicesGetAuthenticateError`, `GameServicesGetLocalPlayerInfo`
* Achievements: `GameServicesReportAchievementProgress`, `GameServicesGetReportAchievementProgressError`, `GameServicesShowAchievementsUI`
* Leaderboards: `GameServicesReportScore`, `GameServicesGetReportScoreSuccessResult`, `GameServicesGetReportScoreError`, `GameServicesCreateLeaderboard`, `GameServicesConfigureLeaderboard`, score loading + iterators, `GameServicesShowLeaderboardsUI` / `GameServicesShowLeaderboardUI`
* Friends: `GameServicesLoadFriends`, `GameServicesGetLoadFriendsSuccessResult`, `GameServicesGetLoadFriendsError`, `GameServicesGetFriendInfo`, `GameServicesAddFriend`
* Server credentials: `GameServicesLoadServerCredentials`, `GameServicesGetLoadServerCredentialsSuccessResult`, `GameServicesGetLoadServerCredentialsError`

## Use cases

Start here: `use-cases/README.md`


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