private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
this.CAMERA_NEAR = base.GetComponent <Camera>().nearClipPlane;
this.CAMERA_FAR = base.GetComponent <Camera>().farClipPlane;
this.CAMERA_FOV = base.GetComponent <Camera>().fieldOfView;
this.CAMERA_ASPECT_RATIO = base.GetComponent <Camera>().aspect;
Matrix4x4 identity = Matrix4x4.identity;
float num = this.CAMERA_FOV * 0.5f;
Vector3 b = base.GetComponent <Camera>().transform.right *this.CAMERA_NEAR * Mathf.Tan(num * 0.0174532924f) * this.CAMERA_ASPECT_RATIO;
Vector3 b2 = base.GetComponent <Camera>().transform.up *this.CAMERA_NEAR * Mathf.Tan(num * 0.0174532924f);
Vector3 vector = base.GetComponent <Camera>().transform.forward *this.CAMERA_NEAR - b + b2;
float d = vector.magnitude * this.CAMERA_FAR / this.CAMERA_NEAR;
vector.Normalize();
vector *= d;
Vector3 vector2 = base.GetComponent <Camera>().transform.forward *this.CAMERA_NEAR + b + b2;
vector2.Normalize();
vector2 *= d;
Vector3 vector3 = base.GetComponent <Camera>().transform.forward *this.CAMERA_NEAR + b - b2;
vector3.Normalize();
vector3 *= d;
Vector3 vector4 = base.GetComponent <Camera>().transform.forward *this.CAMERA_NEAR - b - b2;
vector4.Normalize();
vector4 *= d;
identity.SetRow(0, vector);
identity.SetRow(1, vector2);
identity.SetRow(2, vector3);
identity.SetRow(3, vector4);
this.fogMaterial.SetMatrix("_FrustumCornersWS", identity);
this.fogMaterial.SetVector("_CameraWS", base.GetComponent <Camera>().transform.position);
this.fogMaterial.SetVector("_Y", new Vector4(this.height, this.heightScale));
this.fogMaterial.SetFloat("_GlobalDensity", this.ViewDistance);
this.mieDirectionalG = Mathf.Clamp(this.mieDirectionalG, 0f, 0.999f);
this.InscatteringIntensity = Mathf.Clamp(this.InscatteringIntensity, 0f, 30f);
this.fogMaterial.SetFloat("mieDirectionalG", this.mieDirectionalG);
this.fogMaterial.SetFloat("InscatteringIntensity", this.InscatteringIntensity);
this.fogMaterial.SetColor("_FogColor", this.FogColor);
this.fogMaterial.SetColor("InscatteringColor", this.InscatteringColor);
this.fogMaterial.SetFloat("DirectionalInscatteringStartDistance", this.DirectionalInscatteringStartDistance);
this.fogMaterial.SetFloat("reileighCoefficient", this.reileighCoefficient);
this.fogMaterial.SetFloat("mieCoefficient", this.mieCoefficient);
this.fogMaterial.SetFloat("Molecules", this.Molecules);
this.fogMaterial.SetFloat("turbidity", this.turbidity);
this.fogMaterial.SetFloat("Exposure", this.Exposure);
this.fogMaterial.SetFloat("contrast", this.contrast);
this.fogMaterial.SetFloat("TransitionDistance", this.TransitionDistance);
this.fogMaterial.SetFloat("SunIntensity", (!this.isDaytime()) ? 0f : this.SunIntensity);
this.fogMaterial.SetFloat("SunExponent", this.SunExponent);
this.fogMaterial.SetFloat("WorldHeight", this.WorldHeight);
this.fogMaterial.SetFloat("SunEditorIntensity", this.SunLightIntensity);
this.fogMaterial.SetFloat("OceanLevel", this.OceanLevel);
this.fogMaterial.SetFloat("Deepness", this.Deepness);
this.fogMaterial.SetColor("DeepColor", this.DeepColor);
this.fogMaterial.SetColor("ShoreColor", this.ShoreColor);
this.fogMaterial.SetFloat("UnderwaterViewDistance", this.UnderwaterViewDistance);
this.fogMaterial.SetFloat("isNighttime", (float)((!this.isDaytime()) ? 1 : 0));
if (this.Sun == null)
{
Debug.Log("Set the main light");
}
else
{
this.L = -this.Sun.transform.forward;
this.LdotUp = Mathf.Clamp01(Vector3.Dot(this.L, Vector3.up));
this.LdotDown = Mathf.Clamp01(Vector3.Dot(this.L, Vector3.down));
}
this.fogMaterial.SetVector("L", this.L);
this.fogMaterial.SetTexture("frameBuffer", source);
if (this.IsolateFog)
{
this.fogMaterial.SetTexture("frameBuffer", null);
}
Atmosphere.CustomGraphicsBlit(source, destination, this.fogMaterial, 0);
}
