DAI 3.0 · STEP-BY-STEP

Vehicles

Build server-authoritative vehicles with actual player input, acceleration, steering, seats and safe exit behavior.

Build from scratchTest in MinecraftMultiplayer-safe by designDAI 3.0

What you are building

Primary path: data/<namespace>/dai_vehicles/
Build server-authoritative vehicles with actual player input, acceleration, steering, seats and safe exit behavior.

Step-by-step

  1. Create the vehicle identityDefine physical dimensions/controller settings.
  2. Spawn one parked vehicleProve mounting/dismounting before movement.
  3. Read real player inputMap forward/strafe/jump/sneak or custom keys into the server controller.
  4. Add acceleration/steeringTune on flat ground with no weapons first.
  5. Add collision and seatsDefine passenger placement and exit safety.
  6. Add fuel/weapons laterDo not debug propulsion and combat simultaneously.
  7. Test network edge casesMount/dismount rapidly, disconnect while riding and cross chunk boundaries.

Definition of done

  • The feature still works after save/reload.
  • Server state is authoritative; presentation mirrors it.
  • Invalid input cannot duplicate rewards or bypass costs.
  • Two players can use the system without sharing unintended temporary state.
  • Any optional resource pack can be disabled without breaking datapack logic.

Next integration

Once this feature works alone, connect it to a complete loop instead of adding more isolated content. Use the complete-game tracks to see where it belongs in ACMS, Space Between Blocks, MineTrigger or Hollow Spiral.

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