unreal-materials

name	unreal-materials
description	Unreal Engine Material Editor skill for PBR workflows, material instances, shader complexity, and material functions.
allowed-tools	Read, Grep, Write, Bash, Edit, Glob, WebFetch

Unreal Materials Skill

Material development using Unreal Engine's Material Editor.

Overview

This skill provides capabilities for creating materials in Unreal Engine, including PBR workflows, material instances, and custom shader development.

Capabilities

Material Creation

• Build PBR materials
• Configure material domains
• Handle blend modes
• Manage material properties

Material Instances

• Create instance hierarchies
• Expose parameters
• Handle static switches
• Manage instance overrides

Material Functions

• Create reusable functions
• Build material layers
• Handle function inputs
• Manage function libraries

Advanced Techniques

• World position offset
• Pixel depth offset
• Custom UV manipulation
• Subsurface scattering

Prerequisites

• Unreal Engine 5.0+
• Material Editor knowledge

Usage Patterns

Material Parameter Setup

1. Create Material Parameter Collection
2. Define scalar/vector parameters
3. Reference in materials
4. Update from Blueprint/C++

Material Instance Dynamic

UMaterialInstanceDynamic* DynMat =
    UMaterialInstanceDynamic::Create(BaseMaterial, this);
DynMat->SetScalarParameterValue(FName("Damage"), DamageAmount);
MeshComponent->SetMaterial(0, DynMat);

Material Layers

1. Create Material Layer asset
2. Define layer parameters
3. Create Material Layer Blend
4. Configure blending
5. Use in Material

Best Practices

1. Use material instances for variants
2. Create material functions for reuse
3. Monitor shader complexity
4. Use LOD material switching
5. Profile with GPU visualizer

References

• Material Documentation