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How to reuse Game Models and textures(existing/user assets) with ModTools.
By stmSantana
   
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Created by
stmSantana
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Category: Modding or Configuration
Languages: English
Posted
Updated
23 Jan, 2016 @ 2:20am
16 Jan, 2017 @ 8:44pm
2,024 Unique Visitors
57 Current Favorites
Guide Index
Overview
Overview 
Necessities 
Dump 
Edit 3D model 
Comments
Overview

  • MODTOOLS UPDATE 12 (11/19/2016)
    • Changed: Textures and meshes are now dumped to local app data's Import folder
    • Changed: Textures are now dumped as proper _d, _a, _c, _i, _s, _n files when dumping asset

Japanese language version 日本語版
Sorry my ENGRISH!
http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=606459569
Necessities
Dump
  1. Select a in-game assets, e.g., building, car,
  2. Click [Dump asset] button.

  3. You will find following files,(\Users\USERNAME\AppData\Local\Colossal Order\Cities_Skylines\Addons\Import)
    • YYY.ZZZ.obj
    • YYY.ZZZ_d.png
    • YYY.ZZZ_a.png
    • YYY.ZZZ_c.png
    • YYY.ZZZ_i.png
    • YYY.ZZZ_n.png
    • YYY.ZZZ_s.png
    • YYY.ZZZ_lod.obj
    • YYY.ZZZ_lod_d.png
    • YYY.ZZZ_lod_a.png
    • YYY.ZZZ_lod_c.png
    • YYY.ZZZ_lod_i.png
    • YYY.ZZZ_lod_n.png
    • YYY.ZZZ_lod_s.png
Edit 3D model
  • Import the YYY.ZZZ_Data.obj to youre 3D software, Wavefront OBJ format file type.

  • You can edit a file as usual.

  • Export the model FBX format.
6 Comments
< >
turret001 2 Oct, 2020 @ 10:38am 
great tutorial, still works
社恐怪 9 Mar, 2016 @ 4:56pm 
@stmSantana Thank you very much! Everything is working now. Your guidance is really helpful. Thank you. :)
stmSantana  [author] 9 Mar, 2016 @ 12:49am 
@Liranius
Wow, This is ...... wrong. What the transformation such as the puzzle.
Correct:http://i.imgur.com/O6YQEb5.png
There may be the problem with your computer or software(Photoshop ver?).

I recommend you try different softwares.(e.g. Paint.net , GIMP, )
社恐怪 9 Mar, 2016 @ 12:10am 
@stmSantana
This is the original aci.png: http://postimg.org/image/or0i0xuqx/
This is the split B channel: http://postimg.org/image/vwwuh4t7t/
This is the result after using Tone Curve Tool: http://postimg.org/image/u3pcf2ind/

Infact, any modification I made to the generated greyscale images will cause a distortion. I don't know if I have done something wrong, or there are something wrong with my photoshop or computer.
stmSantana  [author] 8 Mar, 2016 @ 8:46pm 
Hi @Liranius, Thanks for reading this guide.
What is a strange thing? If it’s possible, Please show me your Screenshots.

When the Asset-Importer imports textures, it invert lightness of 3 images (alpha mask, color mask, specular).
At the same time, it changes lightness of all images.

So, What you should do is follows,
1. Separate channel and get grayscale images.
2. Ctrl+M (Tone curve tool) to darken curve a little. (chapter "Brightness ,Invert, Tone curve")
(However, AlphaMask_a & ColorMask_c use only 2 colors, black/white, Consequently you don't need to do this step.)
(If you edit vehicle textures, You should read instructions of Edit-Illumination row)
(If you edit building textures, You should read a chapter "Comparison")
3. Ctrl+I to imvert images (only _a, _c, _s)
4. Export images.:steamhappy:
社恐怪 8 Mar, 2016 @ 6:31pm 
Sorry for bothering you. I don't quite understand what does Invert and Edit rows in your picture mean. I executed separate channels to an xxx_aci.png in photoshop and get 4 grayscale images. Then I executed Ctri+I to invert the image. Then I exported images but got something strange. Which step is wrong? Or was I missed some steps?