Editing Modding:Hair Mod Mesh Setup
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|description=This page is a hub for everything related to Modding Baldur's Gate 3. Check out the following guides to learn how to mod BG3. | |description=This page is a hub for everything related to Modding Baldur's Gate 3. Check out the following guides to learn how to mod BG3. | ||
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Welcome to the mesh creation portion of making a hair mod. For the file setup portion, see [[Guide:Hair Mod File Setup]].<div class="noexcerpt navigation-not-searchable" style="text-align:center"><span class="nodesktop"> [[Modding:Index|Modding index]] </span></div>So, you wanna make a hair mod for Baldur’s Gate 3. How do you do that, though? This guide will show you how. | |||
===Essential Tools=== | |||
First off, get yourself these tools. | |||
*[https://www.blender.org/download/lts/3-6/ Blender] (version 3.6 recommended) | |||
* [https://github.com/Norbyte/lslib Lslib] by Norbyte | |||
*[https://github.com/ShinyHobo/BG3-Modders-Multitool BG3 Multi-Tool] by ShinyHobo | |||
*[https://github.com/Norbyte/dos2de_collada_exporter Collada/GR2 import/export Blender plugin] by Norbyte | |||
Because we’ll be using Blender to make the mesh for our hair mod, we recommend at least having a cursory knowledge of how to use Blender before attempting to follow this guide. If you don’t have that, we recommend [https://youtube.com/playlist?list=PLjEaoINr3zgEPv5y--4MKpciLaoQYZB1Z&si=GqdmSXxoU6_-RorW Blender Guru’s Donut tutorial series]. But any tutorial that teaches you the basics of how to move around, shape the mesh, create objects, etc, should be fine. | Because we’ll be using Blender to make the mesh for our hair mod, we recommend at least having a cursory knowledge of how to use Blender before attempting to follow this guide. If you don’t have that, we recommend [https://youtube.com/playlist?list=PLjEaoINr3zgEPv5y--4MKpciLaoQYZB1Z&si=GqdmSXxoU6_-RorW Blender Guru’s Donut tutorial series]. But any tutorial that teaches you the basics of how to move around, shape the mesh, create objects, etc, should be fine. | ||
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If you’re not really sure what you’re looking at, BG3’s hair models are composed of pieces called “hair cards” that are essentially just long strips of mesh, or planes, with a hair texture applied. This is a (comparatively) low-poly way of making hair. | If you’re not really sure what you’re looking at, BG3’s hair models are composed of pieces called “hair cards” that are essentially just long strips of mesh, or planes, with a hair texture applied. This is a (comparatively) low-poly way of making hair. | ||
If you want to see how the hair looks on a head, you can import a head model into Blender too | If you want to see how the hair looks on a head, you can import a head model into Blender too using the exact same method you used for the hair. Just make sure the race of the [[Modding:Head Models|Head Model]] you choose matches the hair you’re working with—so if you’re editing HAIR_HUM_F_Afro_Long_A, choose a human or humanlike head. | ||
=== Editing the Mesh in Blender=== | === Editing the Mesh in Blender=== | ||
Now comes the fun part—playing with the hair in Blender. Make it longer or shorter, remove some parts, add some parts. There’s a lot you can do even without making any custom hair parts from scratch, so get creative! | Now comes the fun part—playing with the hair in Blender. Make it longer or shorter, remove some parts, add some parts. There’s a lot you can do even without making any custom hair parts from scratch, so get creative! | ||
=== Mesh Editing FAQ === | ====Mesh Editing FAQ==== | ||
Here are some common issues you might run into while editing the hair in Blender: | Here are some common issues you might run into while editing the hair in Blender: | ||
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'''Is there an easier way to select an entire part of the hair (such as a ponytail) without manually selecting each vertex? It’s hard for me to do this when the hair gets close to the scalp.''' Yes! Use the Box or Circle select tool to select as much of the ponytail as you can. Then, to get those pesky roots without grabbing other parts of the hair, press CTRL + +, and continue pressing those keys to Select More of the parts you already have selected. | '''Is there an easier way to select an entire part of the hair (such as a ponytail) without manually selecting each vertex? It’s hard for me to do this when the hair gets close to the scalp.''' Yes! Use the Box or Circle select tool to select as much of the ponytail as you can. Then, to get those pesky roots without grabbing other parts of the hair, press CTRL + +, and continue pressing those keys to Select More of the parts you already have selected. | ||
'''Can I add custom highlights to my hair if I don’t like the vanilla ones?''' Yes! This is done using Vertex Paint. See [[Modding:Custom Hair Highlights|this tutorial]] for more details. | '''Can I add custom highlights/greying to my hair if I don’t like the vanilla ones?''' Yes! This is done using Vertex Paint. See [[Modding:Custom Hair Highlights|this tutorial]] for more details. | ||
'''Can I adjust the UVs/the parts of the texture that my hair cards use?''' Yes! See [https://docs.google.com/document/d/1Kv9P01LZIXtP-U0KqOH7_P5lu9lyzJPbbUpYX2ASbMY/edit?usp=sharing this tutorial] for more details. | '''Can I adjust the UVs/the parts of the texture that my hair cards use?''' Yes! See [https://docs.google.com/document/d/1Kv9P01LZIXtP-U0KqOH7_P5lu9lyzJPbbUpYX2ASbMY/edit?usp=sharing this tutorial] for more details. | ||
'''None of the vanilla hairs seem to have the part I want. Can I make my own custom hair for BG3?''' Tutorial for this coming soon(TM)! | |||
'''None of the vanilla hairs seem to have the part I want. Can I make my own custom hair for BG3?''' | |||
====Autosnapping Weights==== | ====Autosnapping Weights==== | ||
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====Non-Autosnapping Weights==== | ====Non-Autosnapping Weights==== | ||
[[File:CrunchyHairExample.png|thumb|An example of hair "crunching" caused by autosnap not working well.]] | [[File:CrunchyHairExample.png|thumb|An example of hair "crunching" caused by autosnap not working well.]] | ||
If your hair is crunching really badly with autosnap, you might want to re-weight it to be non-autosnap. How do you do that? It's fairly simple: wipe out all of the existing vertex groups on your hair. Create a new vertex group and name it Head_M (mind the capitalization). | If your hair is crunching really badly with autosnap, you might want to re-weight it to be non-autosnap. How do you do that? It's fairly simple: wipe out all of the existing vertex groups on your hair. Create a new vertex group and name it Head_M (mind the capitalization). Assign your hair mesh to that vertex group. If your hair is shorter than the character's shoulders, you're done! If it's longer and you want it to move somewhat with the upper body, create another vertex group called Chest_M, and use the gradient tool in Weight Paint mode to weight from the bottom up. Test in game and adjust as necessary. Those two vertex groups are probably all you need for non-autosnapping. Make sure when you're setting up the files later that you turn off autosnapping in there, too, otherwise your hair won't behave properly. Remember that turning off autosnap means you have to manually refit the hair for every body type that you want it to be available for... which is a pain. | ||
===Exporting the Mesh=== | ===Exporting the Mesh=== | ||
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Done with editing the mesh in Blender? Follow [[Guide:Hair Mod File Setup|this tutorial]] to set up the files for inclusion into the game! | Done with editing the mesh in Blender? Follow [[Guide:Hair Mod File Setup|this tutorial]] to set up the files for inclusion into the game! | ||
[[Category:Modding guides]] | [[Category:Modding guides]] | ||