Umamusume: Pretty Derby (Steam)

[Lucatiel_252]

Great mods

[einnarr]

[Eishin_Flash] [Marvelous_Sunday] Editing

Wonder how you'd go about editing free cam movement...
Model editing is about all I can do, so this is an area that'll take some studying before it makes sense to me...

Eishin_Flash.rar Marvelous_Sunday.rar

[negcham1942]

I have a question.
When I modified an existing partially nude model to be fully nude and imported it into Unity, the game crashed.

One point that comes to mind is a section in the manual (specifically on page 37) stating, "When deleting mesh components in Blender, please leave one triangular object."

Is this consistent with the instruction on the first page of this topic to "shorten the skirt and tuck it inside the main body"?

[goofyahhcats]

@einnarr
which camera movement? i ported from Source Engine
also anything about free camera u want ask to me?

[lzx2026]

I’m trying to replace some characters’ models with models from other games. Is the model replacement process done in Unity? When editing in Unity, do I need to import the textures as well as the mesh files, or can I just use the mesh files?

[einnarr]

On 9/26/2026 at 8:48 PM, goofyahhcats said:

@einnarr
which camera movement? i ported from Source Engine
also anything about free camera u want ask to me?

I'd like to try unlocking the camera in the character viewer in Trainer_Notes.
Also, it would be awesome if we could pause (or control playback of) the skill animations...!

 

On 9/26/2026 at 7:47 PM, negcham1942 said:

I have a question.
When I modified an existing partially nude model to be fully nude and imported it into Unity, the game crashed.

One point that comes to mind is a section in the manual (specifically on page 37) stating, "When deleting mesh components in Blender, please leave one triangular object."

Is this consistent with the instruction on the first page of this topic to "shorten the skirt and tuck it inside the main body"?

It's possible that the mod's M_Body_mesh is being loaded as the Base_mesh, 
instead of the original pfb_bdy"XXXX"_00 that should be loaded via the skinned_mesh_renderer.

[peachy.keane]

22 hours ago, lzx2026 said:

I’m trying to replace some characters’ models with models from other games. Is the model replacement process done in Unity? When editing in Unity, do I need to import the textures as well as the mesh files, or can I just use the mesh files?

There MIGHT be a way to replace models that way in Unity-- especially if the new model(s) are already coming from a Unity game --but I'd personally just use Blender.

Specifically, I've found this tutorial to be quite helpful: Blender: Character Weight-Paint TRANSFER (30-SECONDS)

As long as your new model is already close proportionally to the existing Uma model, it should work well. (You'll still need to do manual tweaking, but much less of it!)

[negcham1942]

8 hours ago, einnarr said:

Trainer_Notesのキャラクタービューアーでカメラのロックを解除してみたいです。
あと、スキルアニメーションを一時停止（または再生を制御）できたら最高ですね！

 

おそらく、mod の M_Body_mesh が、本来 skinned_mesh_renderer を介してロードされるべき元の pfb_bdy"XXXX"_00 の代わりに Base_mesh としてロードされている可能性があります 。

You're right; when swapping meshes in Unity, it was indeed "Base" and "Base."

I'll check.

[goofyahhcats]

Hchimi Release

TESTED ON JPN ONLY
changelog in release

@einnarr i added cutin playback slider to PhotoStudio & Gacha
there maybe issue i missed so please put into github issue section

 

do you want feature request? let me know about it

[negcham1942]

Ah... it doesn't crash anymore, but GolShi is broken.

Is this the reason why I have to keep things like weight painting or triangular objects?

By the way, when the game crashed, I had changed GolShi's "half-nude" outfit to full nudity in Unity. This time, I changed her race-day outfit to full nudity instead, and the game stopped crashing.

[einnarr]

On 9/28/2026 at 8:46 AM, goofyahhcats said:

Hchimi Release

TESTED ON JPN ONLY
changelog in release

@einnarr i added cutin playback slider to PhotoStudio & Gacha
there maybe issue i missed so please put into github issue section

 

do you want feature request? let me know about it

 

Thanks for the mod! Now I can sit back and enjoy the cut-in scenes!

 

12 hours ago, negcham1942 said:

Ah... it doesn't crash anymore, but GolShi is broken.

Is this the reason why I have to keep things like weight painting or triangular objects?

By the way, when the game crashed, I had changed GolShi's "half-nude" outfit to full nudity in Unity. This time, I changed her race-day outfit to full nudity instead, and the game stopped crashing.

 

Ah, that's looking good! This happens to me too sometimes when a step gets missed. 

Spoiler

Here's the fix in Blender: once the model is edited and joined, check its Transform values.

Spoiler

They might not be at 1.00. The edited model needs to be applied to the armature, so press「Ctrl」+「A」and apply the transforms. 

Spoiler

The values should then show 1.00. That takes care of the resizing, so just follow the steps again and give it another try.

Spoiler

 

[goofyahhcats]

On 9/28/2026 at 8:01 AM, spockman said:

Is it possible to separate the chibi head data from the settings found under UMML → Misc → Character → Dress to avoid a soft lock?

I want to apply head 80 (no accessory) to each of the outfits.

force_mini_dress in config
good thing we don't need touch DB anymore so u can do in character_replace.json

just need checking before merge

 

Edited October 1 by goofyahhcats
pending update

[negcham1942]

On 2026/9/30 at 午前12時15分, einnarr said:

MODをありがとうございます！これでゆったりとカットインシーンを楽しめます！

 

ああ、いい感じですね！私も時々、手順を一つ飛ばしてしまうとこうなります。 

  コンテンツを非表示にする

Blenderでの修正方法は以下のとおりです。モデルを編集して結合したら、そのTransformの値を確認してください。

  コンテンツを非表示にする

それらは1.00になっていない可能性があります。編集したモデルをアーマチュアに適用する必要があるので、「Ctrl」+「A」を押して変換を適用してください。 

  コンテンツを非表示にする

すると、値は1.00と表示されるはずです。これでサイズ変更は完了です。もう一度同じ手順で試してみてください。

  コンテンツを非表示にする

 

WTF

I standardized the scale to 1.000, but it looks like the broken part just got bigger.

Even though the character is completely naked, the original texture still seems to be visible. I wonder if I should change the texture, too...

[einnarr]

24 minutes ago, negcham1942 said:

WTF

I standardized the scale to 1.000, but it looks like the broken part just got bigger.

Even though the character is completely naked, the original texture still seems to be visible. I wonder if I should change the texture, too...

Judging only from the icons in the Blender outliner, it looks like the armature might not have been applied properly.
How about editing the FBX model in Blender first, and then importing it into Unity, instead of editing it in Unity?
If you're only deleting mesh parts, it should work fine without changing the textures (UV editing)...

[negcham1942]

2 hours ago, einnarr said:

Blenderのアウトライナーのアイコンを見る限り、アーマチュアが正しく適用されていないようです。Unity
で編集するのではなく、まずBlenderでFBXモデルを編集してからUnityにインポートしてみてはいかがでしょうか？
メッシュパーツを削除するだけなら、テクスチャ（UV編集）を変更しなくても問題なく動作するはずです。

It looks like I broke the bones and messed up the armature's angle while trying to build it along with the tutorial video... I'm going to start over from the half-nude base and try out the suggestions I was given.

I haven't the faintest idea why the bone has turned into something that looks like a sea urchin.

It ended up like this before I knew it, so I don't even know how to fix it.

So, I'm going to remake the nude version.

[goofyahhcats]

2 hours ago, spockman said:

I can't seem to find force_mini_dress or character_replace.json within the UMML; are these options for Hachimi?

i decpreated UMML misc section & replaced with better one hachimi

 

currently work in progress

[goofyahhcats]

decided to make closed source chimi due to amogus
 

Spoiler

password: wak tempik

 

Edited October 6 by goofyahhcats
removal image & clean up spoiler

[goofyahhcats]

2 hours ago, spockman said:

I tried using the "outfit replacement" feature, but when attempting to batch-change the head 80, a soft-lock occurs because the system tries to apply it to NPC and Mob that do not have a head 80. Would it be possible to configure the system so that if an invalid ID is specified during a batch change, it simply leaves the setting at the default instead of attempting the change?

NPC not supported ATM

you need find character first then replace with head 80

[Tantabusolobus]

I made this while learning how to create mods, its simple but effective. I hope to start seeing more mods from now on.

Kitasan_uncensored.rar

[peachy.keane]

 

@lzx2026@Tantabusolobus

"One of us! One of us!"

[goofyahhcats]

Update:
Added ikcollision_modifier. you can disable it for base mod
Support NPC on chara swap

IKCollision ON


IKCollision OFF

Edited October 6 by goofyahhcats

[einnarr]

Hokko_Tarumae and Copano_Rickey.

For some reason, I picture Hokko_Tarumae as having a thick build.

Hokko_Tarumae.rar Copano_Rickey.rar

[Vemfilia]

Ty for the ricky

[goofyahhcats]

todo chimi?
- fix voice on swap
- cyspring jacket & hair
- egui raceboard

any suggestion or issue please quote this

[voxni]

I got a file from someone who put Swimsuit Scarlet on her Christmas alt, but it has the issue of still applying to her default version and causing a softlock. Any way to fix it?

Swimsuit Scarlet (Christmas Alt).zip

Edited October 11 by voxni