GunShaderVertexLit

Shader "Custom/GunShaderVertexLit" {
    Properties{
        _MainTex("Base (RGB)", 2D) = "white" {}
    }

    SubShader
    {
        Tags{ "RenderType" = "Opaque" "Queue" = "Geometry+1" }
        LOD 80

        Pass{
            ZTest Always
            ColorMask 0
        }

        // Non-lightmapped
        Pass{
            Tags{ "LightMode" = "Vertex" }

            Material{
                Diffuse(1,1,1,1)
                Ambient(1,1,1,1)
            }
            Lighting On
                SetTexture[_MainTex]{
                constantColor(1,1,1,1)
                Combine texture * primary DOUBLE, constant // UNITY_OPAQUE_ALPHA_FFP
            }
        }

        // Lightmapped, encoded as dLDR
        Pass{
            Tags{ "LightMode" = "VertexLM" }

            BindChannels{
                Bind "Vertex", vertex
                Bind "normal", normal
                Bind "texcoord1", texcoord0 // lightmap uses 2nd uv
                Bind "texcoord", texcoord1 // main uses 1st uv
            }

            SetTexture[unity_Lightmap]{
                matrix[unity_LightmapMatrix]
                combine texture
            }
            SetTexture[_MainTex]{
                constantColor(1,1,1,1)
                combine texture * previous DOUBLE, constant // UNITY_OPAQUE_ALPHA_FFP
            }
        }

        // Lightmapped, encoded as RGBM
        Pass{
            Tags{ "LightMode" = "VertexLMRGBM" }

            BindChannels{
                Bind "Vertex", vertex
                Bind "normal", normal
                Bind "texcoord1", texcoord0 // lightmap uses 2nd uv
                Bind "texcoord", texcoord1 // main uses 1st uv
            }

            SetTexture[unity_Lightmap]{
                matrix[unity_LightmapMatrix]
                combine texture * texture alpha DOUBLE
            }
            SetTexture[_MainTex]{
                constantColor(1,1,1,1)
                combine texture * previous QUAD, constant // UNITY_OPAQUE_ALPHA_FFP
            }
        }

        UsePass "VertexLit/SHADOWCASTER"
    }
    Fallback "Mobile/VertexLit"
}