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namespace UnityEngine.Experimental.Rendering.HDPipeline
{
[ExecuteInEditMode]
[DisallowMultipleComponent]
public class ProceduralSkySettings : SkySettings
{
public enum OcclusionDownscale { x1 = 1, x2 = 2, x4 = 4 }
public enum OcclusionSamples { x64 = 0, x164 = 1, x244 = 2 }
public enum ScatterDebugMode { None, Scattering, Occlusion, OccludedScattering, Rayleigh, Mie, Height }
[Header("Global Settings")]
public float worldMieColorIntensity = 1f;
public Gradient worldMieColorRamp = null;
public float worldMieDensity = 15f;
public float worldMieExtinctionFactor = 0f;
public float worldMieNearScatterPush = 0f;
public float worldMiePhaseAnisotropy = 0.9f;
public float worldNormalDistance = 1000f;
public float worldRayleighColorIntensity = 1f;
public Gradient worldRayleighColorRamp = null;
public float worldRayleighDensity = 10f;
public float worldRayleighExtinctionFactor = 1.1f;
public float worldRayleighIndirectScatter = 0.33f;
public float worldRayleighNearScatterPush = 0f;
[Header("Height Settings")]
public float heightDistance = 50f;
public float heightExtinctionFactor = 1.1f;
public float heightMieDensity = 0f;
public float heightMieNearScatterPush = 0f;
public float heightNormalDistance = 1000f;
public Vector3 heightPlaneShift = Vector3.zero;
public Color heightRayleighColor = Color.white;
public float heightRayleighDensity = 10f;
public float heightRayleighIntensity = 1f;
public float heightRayleighNearScatterPush = 0f;
public float heightSeaLevel = 0f;
/*
[Header("Scatter Occlusion")]
public bool useOcclusion = false;
public bool occlusionFullSky = false;
public bool occlusionDepthFixup = true;
public float occlusionBias = 0f;
public float occlusionBiasClouds = 0.3f;
public float occlusionBiasIndirect = 0.6f;
public float occlusionBiasSkyMie = 0.4f;
public float occlusionBiasSkyRayleigh = 0.2f;
public float occlusionDepthThreshold = 25f;
public OcclusionDownscale occlusionDownscale = OcclusionDownscale.x2;
public OcclusionSamples occlusionSamples = OcclusionSamples.x64;
*/
[Header("Other")]
public Cubemap skyHDRI = null;
// public Shader atmosphericShader = null;
// public Shader occlusionShader = null;
public float worldScaleExponent = 1.0f;
public float maxSkyDistance = 4000.0f;
public ScatterDebugMode debugMode = ScatterDebugMode.None;
// Camera m_currentCamera;
// UnityEngine.Rendering.CommandBuffer m_occlusionCmdAfterShadows, m_occlusionCmdBeforeScreen;
void Awake()
{
if (worldRayleighColorRamp == null)
{
worldRayleighColorRamp = new Gradient();
worldRayleighColorRamp.SetKeys(
new[] { new GradientColorKey(new Color(0.3f, 0.4f, 0.6f), 0f),
new GradientColorKey(new Color(0.5f, 0.6f, 0.8f), 1f) },
new[] { new GradientAlphaKey(1f, 0f),
new GradientAlphaKey(1f, 1f) }
);
}
if (worldMieColorRamp == null)
{
worldMieColorRamp = new Gradient();
worldMieColorRamp.SetKeys(
new[] { new GradientColorKey(new Color(0.95f, 0.75f, 0.5f), 0f),
new GradientColorKey(new Color(1f, 0.9f, 8.0f), 1f) },
new[] { new GradientAlphaKey(1f, 0f),
new GradientAlphaKey(1f, 1f) }
);
}
}
public void OnValidate()
{
worldMieDensity = Mathf.Clamp(worldMieDensity, 0f, 1000f);
worldMiePhaseAnisotropy = Mathf.Clamp01(worldMiePhaseAnisotropy);
worldMieNearScatterPush = Mathf.Clamp(worldMieNearScatterPush, -200f, 300f);
worldNormalDistance = Mathf.Clamp(worldNormalDistance, 1f, 10000f);
worldRayleighDensity = Mathf.Clamp(worldRayleighDensity, 0, 1000f);
worldRayleighIndirectScatter = Mathf.Clamp(worldRayleighIndirectScatter, 0f, 1f);
worldRayleighNearScatterPush = Mathf.Clamp(worldRayleighNearScatterPush, -200f, 300f);
heightMieDensity = Mathf.Clamp(heightMieDensity, 0, 1000f);
heightMieNearScatterPush = Mathf.Clamp(heightMieNearScatterPush, -200f, 300f);
heightNormalDistance = Mathf.Clamp(heightNormalDistance, 1f, 10000f);
heightRayleighDensity = Mathf.Clamp(heightRayleighDensity, 0, 1000f);
heightRayleighNearScatterPush = Mathf.Clamp(heightRayleighNearScatterPush, -200f, 300f);
worldScaleExponent = Mathf.Clamp(worldScaleExponent, 1f, 2f);
maxSkyDistance = Mathf.Clamp(maxSkyDistance, 1.0f, 1000000.0f);
/*
occlusionBias = Mathf.Clamp01(occlusionBias);
occlusionBiasClouds = Mathf.Clamp01(occlusionBiasClouds);
occlusionBiasIndirect = Mathf.Clamp01(occlusionBiasIndirect);
occlusionBiasSkyMie = Mathf.Clamp01(occlusionBiasSkyMie);
occlusionBiasSkyRayleigh = Mathf.Clamp01(occlusionBiasSkyRayleigh);
*/
}
public override SkyRenderer GetRenderer()
{
return new ProceduralSkyRenderer(this);
}
}
}