#world editing for fun and profit without even opening CAW

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Tutorial: Custom Lighting, Moons, and Weather For Each Installed World

For those of us who play in multiple worlds, it can be hard to choose an appropriate custom lighting mod; what suits Monte Vista may not be entirely appropriate for Aurora Skies! When adding weather mods to the mix, and moon replacements, and cloud replacements, it’s very easy to tear one’s hair out in frustration and despair. However, it is entirely possible to have custom lighting, moon, and weather mods in each installed world. Here is how it’s done.

Necessary Items

A custom world you wish to edit

Various lighting, moon, and weather mods you like

Basic knowledge of S3PE (opening packages, exporting files, and replacing package contents)

Step 1: Collect Your World and Mods.

Choose the world you wish to edit. In our example, I am editing risastorm's alien world, Lunestia, to have the following aesthetic changes:

Brntwaffle's Triple Cotton Candy Mint Swirl Berry Lighting Mod

sims3legacies’ Titan Moon Replacement

Memeingfulcorndoge’s Moon Resizer (at 2x enlargement)

I like the weather from Triple Swirl, so I am not copying another mod’s weather, but you can do that if you wish!

Step 2: Turn Your INIs into Outies!

(I slay myself.) 

Once you have downloaded all your chosen mods, open each mod in S3PE and extract their INIs and/or Keys. Use CTRL-A to select all the files, and import them to a working file by right-clicking and choosing “Export To File.”

Step 3: Editing Your World

Open your Installed Worlds folder (Documents→EA→The Sims 3→Installed Worlds) and find the world you want to edit. 

Copy it and paste it into your working file, where you extracted all your INI and Key files. It should look something like this.

Open your world in S3PE; it will look something like this.

Click “Resource→Import From File.”

Navigate to your work folder and import all your INI and Key files.

Click “Open,” and the following window will pop up. Be sure to click “Replace Duplicates,” or else we will have done nothing to your file, and then click “Import.”

Finally, save your work! 

When you’ve done this, just replace your original world in your Installed Worlds file with your new one, and enjoy your aesthetic improvements!

Credits: 

@sigmundsims ’ Multiple Lighting Mod tutorial, which started the mental gears turning

@nornities​ for informing me that moons for each world was a possibility!