Stop restoring achievements the user reset on Steam - #1961
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Included review availability: Your plan provides up to 10 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughThe change adds shared achievement bitmask encoding and decoding. Steam synchronization now handles resets and skips achievements already earned on Steam. Stats generation uses live bitmasks to determine earned achievements. ChangesAchievement state synchronization
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant GoldbergSave
participant SteamService
participant UserStatsCallback
participant SteamAchievementCodec
GoldbergSave->>SteamService: provide disk achievement unlocks
SteamService->>UserStatsCallback: fetch live stats
UserStatsCallback-->>SteamService: return stats and timestamps
SteamService->>SteamAchievementCodec: decode earned achievements
SteamAchievementCodec-->>SteamService: return Steam-earned names
SteamService->>SteamAchievementCodec: select missing achievements
SteamAchievementCodec-->>SteamService: return names to push
SteamService->>UserStatsCallback: store updated achievement bitmasks
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In `@app/src/main/java/app/gamenative/service/SteamService.kt`:
- Line 4059: Update the achievement synchronization flow around
storeAchievementUnlocks so upload failures propagate instead of being logged and
treated as success. Ensure syncPendingOfflineAchievements removes pending state
only after a successful Result, and ensure the normal close path adds the app to
the pending set when upload fails; mark synchronization complete only after
remote persistence succeeds.
In `@app/src/main/java/app/gamenative/statsgen/StatsAchievementsGenerator.kt`:
- Line 162: Update the achievement seeding condition in decodeAchievementBlocks
to rely on liveEarned[ach.name] rather than requiring expanded to be non-null;
obtain unlockTimestamp from the decoded timestamp map, and retain expanded only
for optional formatting.
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app/src/main/java/app/gamenative/service/SteamService.ktapp/src/main/java/app/gamenative/service/achievements/SteamAchievementCodec.ktapp/src/main/java/app/gamenative/statsgen/StatsAchievementsGenerator.ktapp/src/test/java/app/gamenative/service/achievements/SteamAchievementCodecTest.kt
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userStats.achievementBlocks[].unlockTime[] is sticky -- Steam keeps the timestamp after an achievement is reset via Steam Support, SAM, or the ClearAchievement RPC. Only userStats.stats[].statValue carries the live bitmask. Reading the timestamps as earned state brought every reset back: - at launch the stats generator marked the achievement unlocked, and seedGseSaveAchievements wrote it into GSE achievements.json, OR'd with a local flag that was already set - at close syncAchievementsFromGoldberg read it back from achievements.json and pushed it - storeAchievementUnlocks seeded the uploaded bitmask from the timestamps Unlocked state now comes from the live bitmask. At launch an achievement with a timestamp but a clear live bit is treated as reset: seeding clears the local flag unless the local unlock is newer than the discarded timestamp (earned again since). storeAchievementUnlocks seeds only the achievement blocks, from the live bitmasks. Close-time sync skips names Steam already has so a close with nothing new does no upload, and pushes everything when the fetch fails so offline unlocks are not dropped. The bitmask logic lives in SteamAchievementCodec.
… block Steam can set an achievement's live bit without sending that achievement's block, so JavaSteam builds no expanded entry for it and the achievement was seeded as locked. the live bit alone now decides; the unlock time falls back to the decoded one when there is no expanded entry.
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Description
Steam keeps an achievement's unlock timestamp after it is reset (Steam Support, SAM, ClearAchievement); only the stats bitmask reflects the current state. We read the timestamps as "unlocked", so every reset achievement was restored at launch and pushed back to Steam on close.
Fix: unlocked state comes from the live bitmask. An achievement with a timestamp but a clear bit is treated as reset, unless it was unlocked locally after that timestamp. On close, only achievements Steam doesn't already have are pushed; if Steam can't be reached, all local unlocks are pushed so offline unlocks aren't lost.
Tests:
SteamAchievementCodecTest.Split out of #1570 (HTML5 runtime). It stands on its own: the bug reproduces on master and this PR has no dependency on #1570.
Recording
n/a (infrastructure)
Type of Change
Checklist
#code-changes, I have discussed this change there and it has been green-lighted. If I do not have access, I have still provided clear context in this PR. If I skip both, I accept that this change may face delays in review, may not be reviewed at all, or may be closed.CONTRIBUTING.md.Summary by cubic
Fixes reset Steam achievements being restored at launch and pushed back to Steam on close. Unlocked state now comes from Steam's live bitmask instead of unlock timestamps, which Steam keeps after a reset; a reset stays reset unless the achievement is earned again afterward.
Bug Fixes
SteamAchievementCodecwith new unit tests.Written for commit 493a5f7. Summary will update on new commits.
Summary by CodeRabbit