How to add Vertex color to Emission color on this shader?

Questions & Answers
1

I have this shader that I have hacked together from ones I found “if you recognize the code, thankyou!”

Shader "Game/Terrain" {
Properties {
    _Color ("Main Color", Color) = (1,1,1,1)
    _SpecColor ("Spec Color", Color) = (1,1,1,0)
    _Emission ("Emmisive Color", Color) = (0,0,0,0)
    _Shininess ("Shininess", Range (0.01, 1)) = 0.7
    _MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
	_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
}

SubShader {
    ZWrite on
    Alphatest Greater [_Cutoff]
    Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
    Blend SrcAlpha OneMinusSrcAlpha 
    ColorMask RGB
    Pass {
        Material {
            Shininess [_Shininess]
            Specular [_SpecColor]
            Emission [_Emission]    
        }
        ColorMaterial AmbientAndDiffuse
        Lighting on
        SeparateSpecular on   
             
        SetTexture [_MainTex] {
            Combine texture * primary, texture * primary
        }
        SetTexture [_MainTex] {
            constantColor [_Color]
            Combine previous * constant DOUBLE, previous * constant
        }  
    } 
}
}

My Question is how would I change it so that the vertex color is added to the emission color, so that if I set the vertex color to red the objects glows red. The same way setting the emission color to red does now.

Thank you

2

I have achieved the desired effect by changing line 23:

From:
ColorMaterial AmbientAndDiffuse

To:
ColorMaterial Emission