Advanced Achievement System

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NOTE: This is a client-side mod only! Other players cannot see custom achievements. It is safe to use on other servers.

✨ Features:

• A steam-like gui overlay with informative draggable widgets, achievement progression system and custom animated popups
• Custom achievement support for Mod Creators!
• Advancements have been rebranded to "Achievements".
• Use /achievement grant/revoke for vanilla achievements or /customachievement grant/revoke for custom achievements!

⚙️ Adding Custom Achievements (for developers):

Add your own achievements by dropping a simple JSON file into your resource pack or mod!

Example json:

{
  "title": "Welcome!",
  "description": "Joined the game for the first time",
  "icon": "mymod:textures/achievement/first_login.png",
  "maxProgress": 1,
  "hidden": false,
  "rare": false
}

Place it at assets/<namespace>/achievements/<id>.json, then trigger it from code with

AchievementTrigger.grant("id", 1)

or grant it yourself with /customachievement grant <id>.

For progress-based achievements (e.g. "kill 10 zombies"), set maxProgress higher and call grant(id, amount) each time — it only unlocks once progress reaches maxProgress.