StarRail NPR Shader

Documentation | 简体中文

Fan-made shaders for Unity URP attempting to replicate the shading of Honkai: Star Rail. The shaders are not 100% accurate because this project is not a reverse engineering - what I do is to replicate the in-game looks to the best of my ability.

Sparkle	Firefly

Features

Character Shaders

• Honkai Star Rail/Character/Body
• Honkai Star Rail/Character/Body (Transparent)
• Honkai Star Rail/Character/EyeShadow
• Honkai Star Rail/Character/Face
• Honkai Star Rail/Character/FaceMask
• Honkai Star Rail/Character/Hair

Rendering

• Both Game model and MMD model.

• Support Forward and Forward+ rendering paths.

• A single RendererFeature to manage all custom passes.

• Provide C# API to control some rendering behavior.

• Characters receive only scene shadows and ignore self-shadows.

• Per-object shadow, supporting up to 16 shadows on the same screen.

• Custom bloom using the method shared by Jack He in Unite 2018.

• Custom ACES tonemapping. The formula is

  $$f(x)=\frac{x(ax+b)}{x(cx+d)+e}$$

  where $a,b,c,d,e$ are all parameters.

Editor

• Customized material editor.
• Configurable asset processor integrated with Unity preset system.
• Automatically smooth normal.
• Automatic material setup.
• Build processor and Shader stripper.
• material.json inspector.

Special Thanks

• miHoYo / HoYoverse
• Razmoth
• °Nya°222

Star History