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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.Linq;
using System.Reflection;
namespace UnityEngine.Experimental.Rendering.HDPipeline
{
[ExecuteInEditMode]
[DisallowMultipleComponent]
public class CommonSettings
: MonoBehaviour
{
[SerializeField] private string m_SkyRendererTypeName = ""; // Serialize a string because serialize a Type.
[SerializeField] float m_ShadowMaxDistance = ShadowSettings.Default.maxShadowDistance;
[SerializeField] int m_ShadowCascadeCount = ShadowSettings.Default.directionalLightCascadeCount;
[SerializeField] float m_ShadowCascadeSplit0 = ShadowSettings.Default.directionalLightCascades.x;
[SerializeField] float m_ShadowCascadeSplit1 = ShadowSettings.Default.directionalLightCascades.y;
[SerializeField] float m_ShadowCascadeSplit2 = ShadowSettings.Default.directionalLightCascades.z;
public Type skyRendererType
{
set { m_SkyRendererTypeName = value != null ? value.FullName : ""; OnSkyRendererChanged(); }
get { return m_SkyRendererTypeName == "" ? null : Assembly.GetAssembly(typeof(CommonSettings)).GetType(m_SkyRendererTypeName); }
}
public float shadowMaxDistance { set { m_ShadowMaxDistance = value; OnValidate(); } get { return m_ShadowMaxDistance; } }
public int shadowCascadeCount { set { m_ShadowCascadeCount = value; OnValidate(); } get { return m_ShadowCascadeCount; } }
public float shadowCascadeSplit0 { set { m_ShadowCascadeSplit0 = value; OnValidate(); } get { return m_ShadowCascadeSplit0; } }
public float shadowCascadeSplit1 { set { m_ShadowCascadeSplit1 = value; OnValidate(); } get { return m_ShadowCascadeSplit1; } }
public float shadowCascadeSplit2 { set { m_ShadowCascadeSplit2 = value; OnValidate(); } get { return m_ShadowCascadeSplit2; } }
void OnEnable()
{
HDRenderPipeline renderPipeline = Utilities.GetHDRenderPipeline();
if (renderPipeline == null)
{
return;
}
if (renderPipeline.commonSettings == null)
renderPipeline.commonSettings = this;
else if (renderPipeline.commonSettings != this)
Debug.LogWarning("Only one CommonSettings can be setup at a time.");
OnSkyRendererChanged();
}
void OnDisable()
{
HDRenderPipeline renderPipeline = Utilities.GetHDRenderPipeline();
if (renderPipeline == null)
{
return;
}
if (renderPipeline.commonSettings == this)
renderPipeline.commonSettings = null;
}
void OnValidate()
{
m_ShadowMaxDistance = Mathf.Max(0.0f, m_ShadowMaxDistance);
m_ShadowCascadeCount = Math.Min(4, Math.Max(1, m_ShadowCascadeCount));
m_ShadowCascadeSplit0 = Mathf.Min(1.0f, Mathf.Max(0.0f, m_ShadowCascadeSplit0));
m_ShadowCascadeSplit1 = Mathf.Min(1.0f, Mathf.Max(0.0f, m_ShadowCascadeSplit1));
m_ShadowCascadeSplit2 = Mathf.Min(1.0f, Mathf.Max(0.0f, m_ShadowCascadeSplit2));
OnSkyRendererChanged();
}
void OnSkyRendererChanged()
{
HDRenderPipeline renderPipeline = Utilities.GetHDRenderPipeline();
if (renderPipeline == null)
{
return;
}
renderPipeline.InstantiateSkyRenderer(skyRendererType);
List<SkyParameters> result = new List<SkyParameters>();
gameObject.GetComponents<SkyParameters>(result);
Type skyParamType = renderPipeline.skyManager.GetSkyParameterType();
// Disable all incompatible sky parameters and enable the compatible one
bool found = false;
foreach (SkyParameters param in result)
{
if (param.GetType() == skyParamType)
{
// This is a workaround the fact that we can't control the order in which components are initialized.
// So it can happen that a given SkyParameter is OnEnabled before the CommonSettings and so fail the setup because the SkyRenderer is not yet initialized.
// So we disable it to for OnEnable to be called again.
param.enabled = false;
param.enabled = true;
found = true;
}
else
{
param.enabled = false;
}
}
// If it does not exist, create the parameters
if (!found && skyParamType != null)
{
gameObject.AddComponent(skyParamType);
}
}
}
}