B1AnimNotify_ChangeMaterialParam

File: BlueClient2/Source/BlueClient/Animation/AnimNotifies/B1AnimNotify_ChangeMaterialParam.h / .cpp Base Class: UAnimNotify

Purpose

Changes a material parameter (scalar, color, or texture) on a target object's mesh at the notify frame.

How to Add in the Editor

1. Open an Animation Montage or Animation Sequence.
2. Right-click on the Notify track → Add Notify → B1AnimNotify_ChangeMaterialParam.
3. Configure the properties below in the Details panel.

Editor Properties

Property	Type	Default	Description
Target	EB1BaseObject	Target	Which object's material to modify: Self or Target (interaction target)
MaterialSlotName	FName	—	Slot name of the material to modify on the mesh
ParameterName	FName	—	Name of the material parameter to change
ParameterType	EB1MaterialParamType	Scalar	One of Scalar, Color, or Texture
ScalarValue	float	0.0	Value to set when ParameterType == Scalar
ColorValue	FLinearColor	—	Value to set when ParameterType == Color
TextureValue	TSoftObjectPtr<UTexture>	—	Value to set when ParameterType == Texture

ScalarValue, ColorValue, and TextureValue use EditCondition — only the field matching ParameterType is editable in the Details panel.

Behavior

At the notify frame, finds the Dynamic Material Instance on the specified slot of the target object's mesh, then calls:

• SetScalarParameterValue when ParameterType == Scalar
• SetVectorParameterValue when ParameterType == Color
• SetTextureParameterValue when ParameterType == Texture