code:

        fixed4 frag(v2f i) : SV_Target
        {
            fixed4 col = _Color;
            if (_UseTexture) {
                col = tex2D(_MainTex, i.uv);
            }

            if (_UseRimLight) {
                // Apply rim lighting, as a straight bonus to color
                col.rgb += i.rampAmount * _Color;
            }
            float4 attenuation = UNITY_SHADOW_ATTENUATION(i, i.worldPos);
            // Darker when normal isn't aligned with light direction
            attenuation *= lerp(.5, 1, clamp((dot(i.normal, _WorldSpaceLightPos0) + 1) / 2, 0, 1));
            // Limit how dark shadows can get.
            attenuation = lerp(1 - _ShadowPower, 1, attenuation); 
            col *= attenuation * _ColorMultiplierMinimalist;
            if (_UseAmbientLight) {
                col.rgb += ShadeSH9(float4(i.normal, 1));
            }
            col = saturate(fixed4(col.rgb, 1));
            // apply fog
            UNITY_APPLY_FOG(i.fogCoord, col);
            return col;
        }