Custom CAS Background and Stylist Room Background Tutorial: How to Make Your Own
Before I begin this tutorial I would like to credit CherieDawn67 at Modthesims for figuring out how to replace the background meshes and textures. My mod is only possible due to her hard work.
I must also credit @mspoodle1 for fixing the lighting/weather issues in the first version of this mod, and recompiling the mod to allow further customization.
01. Open up my CAS Room or Stylist Room package file in S3PE. Take note of the following IMG resources:
Create a Sim room's background: instance 0xBBF74B40103CCD80
Create a Pet room: instance 0xF1977DAF066F6F09
Create a Bot room: instance 0x7DB75D780535AF71
Stylist room: instance 0xA7E661A96D5DBCD6
Right-click on any of them and export the image as a ".dds" file. The background image is a 2048x2048 px DDS DXT5 image file.
Technically you could use a 1024x1024 px texture instead but the image quality in-game will be lower.
02. Open the image in the graphics program of your choice.
03. Find an image that is 2048 px wide, and around 1024 px in height. It should be in landscape orientation. Could be a texture extracted from a TS4 CAS background, a photo, artwork, a scenery screenshot from another game like Skyrim/Baldurs Gate/GTA/etc. Whatever you want. You could even take your own screenshots for this.
04. Paste your image over my image, being mindful of the borders. Anything beyond the borders will not be visible in the camera's field of view.
05. Save and export this image as a DDS DXT5 image.
06. In S3PE, right-click on the IMG resource. Replace it with the image you created in the previous steps.
Make sure you are replacing the correct instance as mentioned in Step 01. Since each room uses its own dedicated image, you could have different backgrounds for each Create-a-Sim/Create-a-Pet/Create-a-Bot room. Since the Stylist room is a separate package, you could have a unique background in there as well.
08. Plop the edited CAS Room Default or Stylist Room Default in your Overrides folder and have a look in-game. You must have the Ambitions EP installed in order for the stylist room to do anything.
The default replacement background should not affect your CAS camera mods, CAS lighting mods, or CAS standing poses.
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