Inflow or Fluid UI options are not fully displayed if a FLIP Domain is not in the scene

[rlguy]

System and Blend File Information

Blender Version: 3.6.5 Release Candidate, blender-v3.6-release, 2023-10-12 12:38, 521a68323c53 Addon Version: A FLIP Fluid Simulation Tool for Blender (v1.7.2 Release 07-NOV-2023) OS: Windows-10-10.0.22621-SP0 GPU: NVIDIA GeForce RTX 4090/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 536.99 CPU: 13th Gen Intel(R) Core(TM) i9-13900K CPU Threads: 32 RAM: 64GB

Describe the bug

In FLIP Fluids 1.7.2, If a FLIP Domain has not yet been created the Inflow and Fluid UI generates an error that prevents other options from being drawn. This issue is only present when the FLIP Fluids Preferences > Enable Developer Tools option is enabled.

Blender System Console error message:

Traceback (most recent call last):
  File "C:\Users\ryanl\AppData\Roaming\Blender Foundation\Blender\3.6\scripts\addons\flip_fluids_addon\ui\inflow_ui.py", line 145, in draw
    is_color_attribute_enabled = (dprops.surface.enable_color_attribute or
AttributeError: 'NoneType' object has no attribute 'surface'

To Reproduce

1. Create new scene
2. Create a FLIP Inflow object
3. View Inflow UI

inflow_bug_example.zip

Expected Behaviour

Expected Inflow UI display:

Actual Behaviour

Actual Inflow UI display:

Workaround

The current workaround to this issue is to create a FLIP Domain object. Afterwards, all settings will be displayed.

[rlguy]

This issue has been fixed and will be included in a FLIP Fluids 1.7.3 version update to be released within the next two weeks.

[rlguy]

This fix is now available in FLIP Fluids version 1.7.3!