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Mantaflow: Calculate Replay Cache while only playing in a forward direction
Closed, ResolvedPublicBUG


System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 441.66

Blender Version
Broken: version: 2.83 (sub 2), branch: master (modified), commit date: 2020-02-07 02:57, hash: rB192314b9d37f
Worked: (optional)

Short description of error
When using replay cache for fluid when playing the animation backward the cache is generated in the wrong order.

Exact steps for others to reproduce the error

  1. Quick Smoke
  2. Replay Cache
  3. Jump to frame 40
  4. Play animation reverse
  5. Play animation forward

Event Timeline

Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.Feb 10 2020, 12:44 PM
Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".

There have been some changes in general to the 'Replay' cache. I just tested this issue and don't think it's an issue any longer with the latest master (4a8383212064).