Tutorial: Overriding Resources

With this small tutorial I will teach you how to keep an original resource, but replace it with a different one.

So whenever you want to use the original resource you can deactivate the replacement package.

Let's do this, step-by-step.
  1. Goto Documents\Electronic Arts\The Sims 3\Mods;
  2. Create a new folder where you will put overriding packages.
    In this case I will call it "Override".
  3. Open your Resource.cfg with Notepad and add the following lines to the top:
    Priority 1000
    PackedFile Override/*.package
  4. Save the modified Resource.cfg;
  5. Done.

Now every package that overwrite a original shall be put in the folder you've just created.

Resources are loaded by the engine according to the Resource.cfg;
This method guarantee that the override package will replace the original.
The Priority instruction tells the engine to load them after resources with lower priority.

Resources that link to other resources may not work properly while overriding.
I speak of CASP | OBJD | OBJK | VPXY | MODL | MLOD mostly as tested.

It seems like the developers made they not to be replaced again, for some reasons:
Overflow while reading Resources:
Since those resources link others, the engine browse for them in the specified:
DBPF Package | into the already written cache | making references for looking them up later.
Replacing them again, might cause less flow into the memory/cache, a reason to avoid doing so.

This only means, that in case you have other of those resources with same identifiers already in your Mods folder,
the engine will not replace them, to avoid the issues I listed.
Or that can be just a bug into the loading process of the game.

Any doubts, just leave a comment, or send me an email and I will reply as soon as possible.


Anonymous said...

So by doing this we can have the original hair intact and still have the texture you guys create?

Simsample said...

Now that's clever, great idea!

#MK said...

"So by doing this we can have the original hair intact and still have the texture you guys create?"

This is such a better method in my opinion.
Because with this, we don't have to share the meshes, only the textures.

Sometimes this method of overwritten of the resource cache happens even without the need of an higher priority.
But only if the package with the new textures contains a filename next of the original in alphabetical character order or is loaded after the original package.

Anonymous said...


I can't find the Resource.cfg

Is it with the XM Hair or your Texture because I'm only getting a .package file with yours.

Sorry I'm Confuzzled xD

#MK said...

"I can't find the Resource.cfg"

Hey! He-he. It's okay.
Well, you can find your Resource.cfg in your Mods folder.
If you don't have one you will have to create it.

Take a read at my overview of the Resource.cfg, at the bottom I explain where it need to be, as well, offer a link with some further directions if you still have trouble finding/creating it.

B said...

I have an Override folder that have alpha-edits of store clothes and textures in my .packages. Will that work?

#MK said...

B: "I have an Override folder that have alpha-edits of store clothes and textures in my .packages. Will that work?"

B, that depends, if your override folder is loaded after the mesh, than it will.
Otherwise you would need to add the Priority rule.

Anonymous said...

Will I need the mesh/original hair in package form for the new texture or will it override Sims3Pack textures too?

#MK said...

Sims3Pack is a useless file if not installed through Launcher or exported to package.
If you install the Sims3Pack with Launcher you will be fine.

Lotus said...

I just a have a little question,I merge all my file so my game won't be laggy,can I merge all your retextures and drop it in the override folder, as per your instructions, and have the meshes merged on another pack?

#MK said...

Lotus, yes you can.
You can also merge the retextures with the original packages, making sure that "Replace Duplicates" is checked.
By doing so, it will replace the original textures while merging.

Lotus said...

Alright, it's even better merging everything together. Thanks a lot.

Anonymous said...

If the hair is installed via Sims3Pack will this still work?

#MK said...

If it was installed through the launcher and is inside of the DBCs at DCCache you don't need to apply this overriding rule.
Would work both ways.

Any content located at the Mods folder have high priority over DCCache content by default.

Anonymous said...

I'm not sure if I the Resource-File is correct now. It looks like this:

Priority 1000
PackedFile Override/*.package

Priority 500
PackedFile Packages/*.dbc
PackedFile Packages/*/*.dbc
PackedFile Packages/*.package
PackedFile Packages/*/*.package
PackedFile Packages/*/*/*.package
PackedFile Packages/*/*/*/*.package
PackedFile Packages/*/*/*/*/*.package
PackedFile Packages/*/*/*/*/*/*.package

Can anyone tell me if this is right?

#MK said...

Anon, everything is fine with your Resource.cfg file.

Pandie said...

I don't like peggy's version.. but I like yours.. can I just override peggys hair without changing the resource file?

Anonymous said...

Will it still work if I turn sims3packs into packages, or do I need to suck it up and install them through the launcher?

I ask this because I have issues with anything that comes from TSR (NewSea hairs) not installing properly.

#MK said...

Pandia, yes you can, you can just open the original hair in S3PE, then:
Resource > Import > From package...
There select the retexture package file and make sure Replace Duplicates is checked.

Anonymous, you can always export them to packages, just put the hairs in somewhere else rather than the Override folder and it will work.

miss_jenna said...

Hihi :) having a bit of a problem - like Pandie, I also prefer your version to NewSea's and would like your file to just overwrite it so that I'm not having both of them appear in CAS. However, when I tried to do the following (listed above)

"Just open the original hair in S3PE, then:
Resource > Import > From package...
There select the retexture package file and make sure Replace Duplicates is checked."

This is for some reason not working for me :( I'm still seeing both your version and NewSea's version. Is there something I am missing??

Thanks in advance for any help!!

#MK said...

miss_jenna, that's because I used a different method, as before they were default replacement.

Currently they are not, I recreate the same hair from it, with different textures.
In case you want just the retexture to show up, you can delete the CASP file from the original package, that will stop it from showing two versions.

In case you want the originals someday you can always back the file before, or download them again.

Anonymous said...

is it possible not to put the original mesh?

#MK said...

"is it possible not to put the original mesh?"
But that's the point.

Anonymous said...
This comment has been removed by the author.
Surissa said...

I don't have that folder called "Mods". What should I do?

#MK said...

Dennysa, you need to create one.
Take a look at this article for more information.

Anonymous said...


Where really do you put the Mods folder? In Documents or in Program Files? I've seen both as being said in the internet. Confusing.

Also, should the Resource.cfg file really be in the Mods folder? The .packages don't seem to work when the file is in the Mods folder. They do when it's just in the Sims 3 folder.

Lastly, I can't seem to have all my downloads work. Everything is in .package files and put into the proper folder. I even downloaded the d3dx9_31.dll to make sure. Or maybe it's my Mods and Resource.cfg confusion.

Thanks a lot!

#MK said...

You heard of both because before we used it in the Game Directory.
Now, after patch 1.12.70 it's now located at Documents.

Take a look at the article I linked above, it's a very thoroughly article on the subject.

Harith said...

sorry , i wanna ask u something ?? is this works for the sims 3 ver 1.0 ?? i really want to try downloads with package files .. but it doesn't work though . THX ,

#MK said...

Harith there is no reason why this would not work with the first build of the game.

However, I should just point, the location of the Resource.cfg at that build is not located at the Documents path specified in this tutorial but located at the game installation root.

Anonymous said...

What if you already have an overrides folder? My Mods folder already came with two folders: Packages and Overrides.

The resource.cfg file is like this:

Priority 501
DirectoryFiles Files/... autoupdate
Priority 1000
PackedFile Overrides/*.package
PackedFile Overrides/*/*.package
PackedFile Overrides/*/*/*.package
PackedFile Overrides/*/*/*/*.package
PackedFile Overrides/*/*/*/*/*.package
Priority 500
PackedFile Packages/*.package
PackedFile Packages/*/*.package
PackedFile Packages/*/*/*.package
PackedFile Packages/*/*/*/*.package
PackedFile Packages/*/*/*/*/*.package
Priority 499
PackedFile Test/*.package
PackedFile Test/*/*.package
PackedFile Test/*/*/*.package
PackedFile Test/*/*/*/*.package
PackedFile Test/*/*/*/*/*.package
Priority -50
PackedFile Probation/*.package
PackedFile Probation/*/*.package
PackedFile Probation/*/*/*.package
PackedFile Probation/*/*/*/*.package
PackedFile Probation/*/*/*/*/*.package
Priority 500
PackedFile DCCache/*.dbc

I'm having problems making the retextures show up in my game, (the original show up only) and I just don't know what to do...

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Anonymous said...

I can't find the "Mods" folder in my sims 3 folder :/

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