Modding:Texture formatting: Difference between revisions

'''Basecolor Map Settings:'''<br>

Choose BC1 (Linear,DTX1), make sure Generate Mip Maps is checked<br>

'''Mask Map Settings:'''<br>

Choose BC5 (Linear, Unsigned), make sure Generate Mip Maps is checked<br>

'''Normal Map Settings:'''<br>

Choose BC3 (Linear, DTX5), make sure Generate Mip Maps is checked<br>

'''Physical Map Settings:'''<br>

Choose BC1 (Linear,DTX1), make sure Generate Mip Maps is checked<br>

=== Manually Assign Channels ===

If you've created your textures in a program other than Substance Painter, you might need to manually assign the correct channels to your maps. Your best choice for doing this is probably GIMP, and I tried to make this part of the guide as beginner friendly as possible if you've never used the program before.<br>

==== Normal Map ====

1. Open your Normal Map in GIMP, and click on the Channels tab to view the channels of your map. Depending on the program you created your normal map with, you might or might not have an Alpha channel already.<br>

2. If you do not see an Alpha channel in your channels, switch back over to the Layers tab, right-click on your layer and select "Add Alpha Channel". This will add an empty Alpha channel.<br>

3. Back in your Channels tab, right-click on the "Red" channel and select "Channel to Selection".<br>

4. Swap back to your Layer tab, then in your menu bar go to "Edit -> Clear" to delete the selected areas. This basically copies the contents of the Red channel to the Alpha channel.<br>

5. Deselect your image by going to "Select -> None" in the menu bar.<br>

6. Check your Channels tab, your Alpha channel should now look like your Red channel.<br>

7. In the menu bar, go to "Colors -> Components -> Decompose". This is going to create and open a new version of your file, with all the channels separated into individual layers.<br>

8. In the pop-up window select RGBA as the Color mode, then hit OK.<br>

9. You should now see a file that looks like your normal map, but in greyscale. In the layers tab you will see that each channel has its own layer now.<br>

10. Before the next step, make sure that your Foreground color is set to black. If it is not, you can click the small icon of a black and white square underneath the color selector to reset it.<br>

11. Click on the "red" layer to set it to your active layer, then in the menu bar go to "Edit -> Fill with FG Color" to fill the layer with black.<br>

12. Go to "Colors -> Components -> Recompose" in the menu bar to recompose the layers back into channels in your original file. <br>

13. Go back to the original file and check the Channels tab to make sure the red channel is just black (empty) now. <br>

14. If your original file seems to still be the same as before, make sure that in the channels tab none of the channels are selected/highlighted. If any of them are, just click on them again to de-select them, then go back to the Decomposed Layers file and repeat step 12 to recompose it.<br>

15. Your recomposed file is now ready to export. Go to "File -> Export As..."<br>

16. Select a save location for your file, and name it to whatever you choose. Check the vanilla game textures to see what naming conventions are used for the files the textures are for. I personally also export a .png version to keep as a backup, but you will need a .dds file for the game. You can either rename your file with the .dds extension, or click "Select File Type (By Extension)" at the bottom to select the .dds file type. Once ready, just click "Export" to save your texture. A window will pop-up with export options. For .png, just leave everything at default.<br>

17. To correctly export your Normal map as a .dds file, make sure to select "BC3/DTX5" for Compression, and "Generate mipmaps" for Mipmaps. Set the Filter under Mipmap Options to "Kaiser".<br>

==== Physical Map ====

To create the Physical Map, you will need to have these three maps: <br>

* Metallic Map<br><br>

1. Open all three maps in GIMP. (If your Metallic Map is just black just skip opening it)<br>

2. Go to your Roughness Map and in the menu bar, go to "Image -> Mode -> RGB" to convert your image from Grayscale mode to RGB mode. This creates the RGB channels needed. <br>

3. Right-click on your layer and select "Add Alpha Channel". This will add a blank Alpha channel.<br>

4. In the menu bar, go to "Colors -> Components -> Decompose". This is going to create and open a new version of your file, with all the channels separated into individual layers.<br>

5. In the window that pops up, select "RGBA" as the Color mode, then hit OK.<br>

6. You should now see a second file that looks like your roughness map, with each channel as a separate layer.<br>

7. If your Metalness map was just black, you can simply fill the "red" layer with black. If your Metalness map has information in it, follow the steps for the AO map instead to insert the Metalness map into the "red" layer. <br>

To fill the layer with black, click on the "red" layer to set it to active, then go to "Edit -> Fill with FG Color" in the menu bar, making sure that your foreground color is set to black.<br>

8. Now it's time to insert the AO map. To make things easier, hide both the "red" and "green" layer by clicking the little eye shaped icon next to them. <br>

9. Now swap over to your AO map file and in the menu bar go to "Select -> Select All" to select the entire image.<br>

10. In the menu bar, go to "Edit -> Copy" (or hit Ctrl+C) to copy your AO map image.<br>

11. Swap back over the Decomposed Layers file and click on the "blue" layer to set it to the active layer.<br>

12. In the menu bar, go to "Edit -> Paste In Place" to paste your copied AO map.<br>

13. You should see your AO map pasted in the file now as a "Floating Selection". <br>

14. In the layer tab, click the small anchor icon at the bottom to anchor the pasted layer onto the one below it.<br>

15. Your "blue" layer should now have merged with the pasted image. Merging the layers together this way ensures that they will Recompose properly in the end. If your Metalness map has information in it, paste it into the "red" layer the same way as the AO map. <br>

16. Click on the small eye icons next to the layers you hid before to make them visible again. <br>

17. Go to "Colors -> Components -> Recompose" in the menu bar to recompose the layers back into channels in your original file. <br>

18. Go back to the original file and check the Channels tab to make sure it recomposed properly - your PM map should now also look something like this.<br>

19. If your original file seems to still be the same as before, make sure that in the channels tab none of the channels are selected/highlighted. If any of them are, just click on them again to de-select them, then go back to the Decomposed Layers file and repeat step 17 to recompose it.<br>

20. Your channel order for the finished PM should be Metalness in Red, Roughness in Green, AO in Blue, and nothing in Alpha. <br>

21. Your recomposed file is now ready to export. Go to "File -> Export As..."<br>

22. Select a save location for your file, and name it to whatever you choose. Check the vanilla game textures to see what naming conventions are used for the files the textures are for. I personally also export a .png version to keep as a backup, but you will need a .dds file for the game. You can either rename your file with the .dds extension, or click "Select File Type (By Extension)" at the bottom to select the .dds file type. Once ready, just click "Export" to save your texture. A window will pop-up with export options. For .png, just leave everything at default.<br>

23. To correctly export your Physical map as a .dds file, make sure to select "BC1/DTX1" for Compression, and "Generate mipmaps" for Mipmaps. Set the Filter under Mipmap Options to "Kaiser".<br>

<br><br>

==== Basecolor Map ====

1. Open your Basecolor Map in GIMP. Right-click on the layer and select "Add Alpha Channel". This will add an empty Alpha channel. <br>

2. Your file is now ready to export. Go to "File -> Export As..."<br>

3. Select a save location for your file, and name it to whatever you choose. Check the vanilla game textures to see what naming conventions are used for the files the textures are for. I personally also export a .png version to keep as a backup, but you will need a .dds file for the game. You can either rename your file with the .dds extension, or click "Select File Type (By Extension)" at the bottom to select the .dds file type. Once ready, just click "Export" to save your texture. A window will pop-up with export options. For .png, just leave everything at default.<br>

4. To correctly export your Basecolor map as a .dds file, make sure to select "BC1/DTX1" for Compression, and "Generate mipmaps" for Mipmaps. Set the Filter under Mipmap Options to "Kaiser".<br>

<br><br>

==== Mask Map ====

The channels that mask maps use in the game vary depending on what the mask is used for. This example is just for horn textures, so check the vanilla game textures first to find out what channels you need. In any case, mask maps do not need an Alpha channel, so all you have to do for them is export as a .dds file.<br>

Either way, it doesn't hurt to check the Channels tab to make sure you've only got information in the channels that are supposed to have it, i.e. just the "green" channel for horn mask maps.<br>

1. Your file is now ready to export. Go to "File -> Export As..."<br>

2. Select a save location for your file, and name it to whatever you choose. Check the vanilla game textures to see what naming conventions are used for the files the textures are for. I personally also export a .png version to keep as a backup, but you will need a .dds file for the game. You can either rename your file with the .dds extension, or click "Select File Type (By Extension)" at the bottom to select the .dds file type. Once ready, just click "Export" to save your texture. A window will pop-up with export options. For .png, just leave everything at default.<br>

==== GIMP TL;DR ====

If you already know how to do all the channel editing and just need a quick reference on how these maps are set up and exported.<br>

* Alpha - Nothing<br><br>

Mask Map Channels:<br>