bool areCascadedShadowsEnabled(float mode) {
  return round(mode) == 1.0; // Instead of int(mode) == 1
}


float GetShadowAmount(ShadowParameters params, DirectionalLightParams light, vec3 worldPos, float NdL, float viewDepth) {
    vec4 projPos;
    float amt = 1.0;
    float cloudAmt = 1.0;

    bool isSun = light.isSun > 0; // This has to be computed before GetShadowCascade() is called, otherwise artefacts occur. Storing just light.isSun and comparing it with 0 after GetShadowCascade() didn't fix the issue.
    int cascade = GetShadowCascade(light, worldPos, projPos);
    if (cascade != -1) {
        float bias = params.shadowBias[light.index] + params.shadowSlopeBias[light.index] * clamp(tan(acos(NdL)), 0.0, 1.0);
        projPos.z -= bias / projPos.w;
        vec2 uv = vec2(projPos.x, projPos.y) * 0.5f + 0.5f;
        amt = GetFilteredShadow(params, light.index, projPos.z, cascade, uv);

        if (isSun && params.cloudshadowsEnabled > 0) { // Here use computed previously variable instead of direct light.isSun > 0 comparison.
    
            cloudAmt = GetFilteredCloudShadow(params, worldPos, NdL);
            if (cloudAmt < 1.0) {
                cloudAmt = max(cloudAmt, 1.0 - params.cloudshadowContribution);
                amt = min(amt, cloudAmt);
            }
        }
        float shadowRange = params.shadowParams.y;
        float shadowFade = smoothstep(max(0.0, shadowRange - 8.0), shadowRange, -viewDepth);
        amt = mix(amt, 1.0, shadowFade);
    }
    return amt;
}