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25 KiB

using System;
using UnityEngine;
using UnityEngine.Experimental.Rendering;
using UnityEngine.Experimental.Rendering.HDPipeline;
namespace UnityEditor.Experimental.Rendering.HDPipeline
{
[CanEditMultipleObjects]
[CustomEditorForRenderPipeline(typeof(Light), typeof(HDRenderPipelineAsset))]
sealed partial class HDLightEditor : LightEditor
{
sealed class SerializedLightData
{
public SerializedProperty directionalIntensity;
public SerializedProperty punctualIntensity;
public SerializedProperty areaIntensity;
public SerializedProperty spotInnerPercent;
public SerializedProperty lightDimmer;
public SerializedProperty fadeDistance;
public SerializedProperty affectDiffuse;
public SerializedProperty affectSpecular;
public SerializedProperty lightTypeExtent;
public SerializedProperty spotLightShape;
public SerializedProperty shapeWidth;
public SerializedProperty shapeHeight;
public SerializedProperty aspectRatio;
public SerializedProperty shapeRadius;
public SerializedProperty maxSmoothness;
public SerializedProperty applyRangeAttenuation;
// Editor stuff
public SerializedProperty useOldInspector;
public SerializedProperty showFeatures;
public SerializedProperty showAdditionalSettings;
}
sealed class SerializedShadowData
{
public SerializedProperty dimmer;
public SerializedProperty fadeDistance;
public SerializedProperty resolution;
// Bias control
public SerializedProperty viewBiasMin;
public SerializedProperty viewBiasMax;
public SerializedProperty viewBiasScale;
public SerializedProperty normalBiasMin;
public SerializedProperty normalBiasMax;
public SerializedProperty normalBiasScale;
public SerializedProperty sampleBiasScale;
public SerializedProperty edgeLeakFixup;
public SerializedProperty edgeToleranceNormal;
public SerializedProperty edgeTolerance;
}
SerializedObject m_SerializedAdditionalLightData;
SerializedObject m_SerializedAdditionalShadowData;
SerializedLightData m_AdditionalLightData;
SerializedShadowData m_AdditionalShadowData;
// LightType + LightTypeExtent combined
enum LightShape
{
Spot,
Directional,
Point,
//Area, <= offline base type not displayed in our case but used for GI of our area light
Rectangle,
Line,
//Sphere,
//Disc,
}
const float k_MinAreaWidth = 0.01f; // Provide a small size of 1cm for line light
// Used for UI only; the processing code must use LightTypeExtent and LightType
LightShape m_LightShape;
protected override void OnEnable()
{
base.OnEnable();
// Get & automatically add additional HD data if not present
var lightData = CoreEditorUtils.GetAdditionalData<HDAdditionalLightData>(targets, HDAdditionalLightData.InitDefaultHDAdditionalLightData);
var shadowData = CoreEditorUtils.GetAdditionalData<AdditionalShadowData>(targets, HDAdditionalShadowData.InitDefaultHDAdditionalShadowData);
m_SerializedAdditionalLightData = new SerializedObject(lightData);
m_SerializedAdditionalShadowData = new SerializedObject(shadowData);
using (var o = new PropertyFetcher<HDAdditionalLightData>(m_SerializedAdditionalLightData))
m_AdditionalLightData = new SerializedLightData
{
directionalIntensity = o.Find(x => x.directionalIntensity),
punctualIntensity = o.Find(x => x.punctualIntensity),
areaIntensity = o.Find(x => x.areaIntensity),
spotInnerPercent = o.Find(x => x.m_InnerSpotPercent),
lightDimmer = o.Find(x => x.lightDimmer),
fadeDistance = o.Find(x => x.fadeDistance),
affectDiffuse = o.Find(x => x.affectDiffuse),
affectSpecular = o.Find(x => x.affectSpecular),
lightTypeExtent = o.Find(x => x.lightTypeExtent),
spotLightShape = o.Find(x => x.spotLightShape),
shapeWidth = o.Find(x => x.shapeWidth),
shapeHeight = o.Find(x => x.shapeHeight),
aspectRatio = o.Find(x => x.aspectRatio),
shapeRadius = o.Find(x => x.shapeRadius),
maxSmoothness = o.Find(x => x.maxSmoothness),
applyRangeAttenuation = o.Find(x => x.applyRangeAttenuation),
// Editor stuff
useOldInspector = o.Find(x => x.useOldInspector),
showFeatures = o.Find(x => x.featuresFoldout),
showAdditionalSettings = o.Find(x => x.showAdditionalSettings)
};
// TODO: Review this once AdditionalShadowData is refactored
using (var o = new PropertyFetcher<AdditionalShadowData>(m_SerializedAdditionalShadowData))
m_AdditionalShadowData = new SerializedShadowData
{
dimmer = o.Find(x => x.shadowDimmer),
fadeDistance = o.Find(x => x.shadowFadeDistance),
resolution = o.Find(x => x.shadowResolution),
viewBiasMin = o.Find(x => x.viewBiasMin),
viewBiasMax = o.Find(x => x.viewBiasMax),
viewBiasScale = o.Find(x => x.viewBiasScale),
normalBiasMin = o.Find(x => x.normalBiasMin),
normalBiasMax = o.Find(x => x.normalBiasMax),
normalBiasScale = o.Find(x => x.normalBiasScale),
sampleBiasScale = o.Find(x => x.sampleBiasScale),
edgeLeakFixup = o.Find(x => x.edgeLeakFixup),
edgeToleranceNormal = o.Find(x => x.edgeToleranceNormal),
edgeTolerance = o.Find(x => x.edgeTolerance)
};
}
public override void OnInspectorGUI()
{
m_SerializedAdditionalLightData.Update();
m_SerializedAdditionalShadowData.Update();
// Disable the default light editor for the release, it is just use for development
/*
// Temporary toggle to go back to the old editor & separated additional datas
bool useOldInspector = m_AdditionalLightData.useOldInspector.boolValue;
if (GUILayout.Button("Toggle default light editor"))
useOldInspector = !useOldInspector;
m_AdditionalLightData.useOldInspector.boolValue = useOldInspector;
if (useOldInspector)
{
DrawDefaultInspector();
ApplyAdditionalComponentsVisibility(false);
m_SerializedAdditionalShadowData.ApplyModifiedProperties();
m_SerializedAdditionalLightData.ApplyModifiedProperties();
return;
}
*/
// New editor
ApplyAdditionalComponentsVisibility(true);
CheckStyles();
settings.Update();
ResolveLightShape();
DrawFoldout(m_AdditionalLightData.showFeatures, "Features", DrawFeatures);
DrawFoldout(settings.lightType, "Shape", DrawShape);
DrawFoldout(settings.intensity, "Light", DrawLightSettings);
if (settings.shadowsType.enumValueIndex != (int)LightShadows.None)
DrawFoldout(settings.shadowsType, "Shadows", DrawShadows);
CoreEditorUtils.DrawSplitter();
EditorGUILayout.Space();
m_SerializedAdditionalShadowData.ApplyModifiedProperties();
m_SerializedAdditionalLightData.ApplyModifiedProperties();
settings.ApplyModifiedProperties();
}
void DrawFoldout(SerializedProperty foldoutProperty, string title, Action func)
{
CoreEditorUtils.DrawSplitter();
bool state = foldoutProperty.isExpanded;
state = CoreEditorUtils.DrawHeaderFoldout(title, state);
if (state)
{
EditorGUI.indentLevel++;
func();
EditorGUI.indentLevel--;
GUILayout.Space(2f);
}
foldoutProperty.isExpanded = state;
}
void DrawFeatures()
{
bool disabledScope = settings.isCompletelyBaked
|| m_LightShape == LightShape.Line
|| m_LightShape == LightShape.Rectangle;
using (new EditorGUI.DisabledScope(disabledScope))
{
bool shadowsEnabled = EditorGUILayout.Toggle(CoreEditorUtils.GetContent("Enable Shadows"), settings.shadowsType.enumValueIndex != 0);
settings.shadowsType.enumValueIndex = shadowsEnabled ? (int)LightShadows.Hard : (int)LightShadows.None;
}
EditorGUILayout.PropertyField(m_AdditionalLightData.showAdditionalSettings);
}
void DrawShape()
{
EditorGUI.BeginChangeCheck(); // For GI we need to detect any change on additional data and call SetLightDirty + For intensity we need to detect light shape change
m_LightShape = (LightShape)EditorGUILayout.Popup(s_Styles.shape, (int)m_LightShape, s_Styles.shapeNames);
if (m_LightShape != LightShape.Directional)
settings.DrawRange(false);
// LightShape is HD specific, it need to drive LightType from the original LightType
// when it make sense, so the GI is still in sync with the light shape
switch (m_LightShape)
{
case LightShape.Directional:
settings.lightType.enumValueIndex = (int)LightType.Directional;
m_AdditionalLightData.lightTypeExtent.enumValueIndex = (int)LightTypeExtent.Punctual;
break;
case LightShape.Point:
settings.lightType.enumValueIndex = (int)LightType.Point;
m_AdditionalLightData.lightTypeExtent.enumValueIndex = (int)LightTypeExtent.Punctual;
EditorGUILayout.PropertyField(m_AdditionalLightData.maxSmoothness, s_Styles.maxSmoothness);
break;
case LightShape.Spot:
settings.lightType.enumValueIndex = (int)LightType.Spot;
m_AdditionalLightData.lightTypeExtent.enumValueIndex = (int)LightTypeExtent.Punctual;
EditorGUILayout.PropertyField(m_AdditionalLightData.spotLightShape, s_Styles.spotLightShape);
var spotLightShape = (SpotLightShape)m_AdditionalLightData.spotLightShape.enumValueIndex;
// Cone Spot
if (spotLightShape == SpotLightShape.Cone)
{
settings.DrawSpotAngle();
EditorGUILayout.Slider(m_AdditionalLightData.spotInnerPercent, 0f, 100f, s_Styles.spotInnerPercent);
}
// TODO : replace with angle and ratio
else if (spotLightShape == SpotLightShape.Pyramid)
{
settings.DrawSpotAngle();
EditorGUILayout.Slider(m_AdditionalLightData.aspectRatio, 0.05f, 20.0f, s_Styles.aspectRatioPyramid);
}
else if (spotLightShape == SpotLightShape.Box)
{
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeWidth, s_Styles.shapeWidthBox);
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeHeight, s_Styles.shapeHeightBox);
}
EditorGUILayout.PropertyField(m_AdditionalLightData.maxSmoothness, s_Styles.maxSmoothness);
break;
case LightShape.Rectangle:
// TODO: Currently if we use Area type as it is offline light in legacy, the light will not exist at runtime
//m_BaseData.type.enumValueIndex = (int)LightType.Area;
// In case of change, think to update InitDefaultHDAdditionalLightData()
settings.lightType.enumValueIndex = (int)LightType.Point;
m_AdditionalLightData.lightTypeExtent.enumValueIndex = (int)LightTypeExtent.Rectangle;
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeWidth, s_Styles.shapeWidthRect);
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeHeight, s_Styles.shapeHeightRect);
m_AdditionalLightData.shapeWidth.floatValue = Mathf.Max(m_AdditionalLightData.shapeWidth.floatValue, k_MinAreaWidth);
m_AdditionalLightData.shapeHeight.floatValue = Mathf.Max(m_AdditionalLightData.shapeHeight.floatValue, k_MinAreaWidth);
settings.areaSizeX.floatValue = m_AdditionalLightData.shapeWidth.floatValue;
settings.areaSizeY.floatValue = m_AdditionalLightData.shapeHeight.floatValue;
settings.shadowsType.enumValueIndex = (int)LightShadows.None;
break;
case LightShape.Line:
// TODO: Currently if we use Area type as it is offline light in legacy, the light will not exist at runtime
//m_BaseData.type.enumValueIndex = (int)LightType.Area;
settings.lightType.enumValueIndex = (int)LightType.Point;
m_AdditionalLightData.lightTypeExtent.enumValueIndex = (int)LightTypeExtent.Line;
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeWidth, s_Styles.shapeWidthLine);
m_AdditionalLightData.shapeWidth.floatValue = Mathf.Max(m_AdditionalLightData.shapeWidth.floatValue, k_MinAreaWidth);
m_AdditionalLightData.shapeHeight.floatValue = Mathf.Max(m_AdditionalLightData.shapeHeight.floatValue, k_MinAreaWidth);
// Fake line with a small rectangle in vanilla unity for GI
settings.areaSizeX.floatValue = m_AdditionalLightData.shapeWidth.floatValue;
settings.areaSizeY.floatValue = k_MinAreaWidth;
settings.shadowsType.enumValueIndex = (int)LightShadows.None;
break;
case (LightShape)(-1):
// don't do anything, this is just to handle multi selection
break;
default:
Debug.Assert(false, "Not implemented light type");
break;
}
if (EditorGUI.EndChangeCheck())
{
UpdateLightIntensity();
((Light)target).SetLightDirty(); // Should be apply only to parameter that's affect GI, but make the code cleaner
}
}
// Caution: this function must match the one in HDAdditionalLightData.ConvertPhysicalLightIntensityToLightIntensity - any change need to be replicated
void UpdateLightIntensity()
{
switch (m_LightShape)
{
case LightShape.Directional:
settings.intensity.floatValue = m_AdditionalLightData.directionalIntensity.floatValue;
break;
case LightShape.Point:
settings.intensity.floatValue = LightUtils.ConvertPointLightIntensity(m_AdditionalLightData.punctualIntensity.floatValue);
break;
case LightShape.Spot:
// Spot should used conversion which take into account the angle, and thus the intensity vary with angle.
// This is not easy to manipulate for lighter, so we simply consider any spot light as just occluded point light. So reuse the same code.
settings.intensity.floatValue = LightUtils.ConvertPointLightIntensity(m_AdditionalLightData.punctualIntensity.floatValue);
// TODO: What to do with box shape ?
// var spotLightShape = (SpotLightShape)m_AdditionalLightData.spotLightShape.enumValueIndex;
break;
case LightShape.Rectangle:
settings.intensity.floatValue = LightUtils.ConvertRectLightIntensity(m_AdditionalLightData.areaIntensity.floatValue, m_AdditionalLightData.shapeWidth.floatValue, m_AdditionalLightData.shapeHeight.floatValue);
break;
case LightShape.Line:
settings.intensity.floatValue = LightUtils.CalculateLineLightIntensity(m_AdditionalLightData.areaIntensity.floatValue, m_AdditionalLightData.shapeWidth.floatValue);
break;
}
}
void DrawLightSettings()
{
settings.DrawColor();
EditorGUI.BeginChangeCheck();
switch (m_LightShape)
{
case LightShape.Directional:
EditorGUILayout.PropertyField(m_AdditionalLightData.directionalIntensity, s_Styles.directionalIntensity);
break;
case LightShape.Point:
case LightShape.Spot:
EditorGUILayout.PropertyField(m_AdditionalLightData.punctualIntensity, s_Styles.punctualIntensity);
break;
case LightShape.Rectangle:
case LightShape.Line:
EditorGUILayout.PropertyField(m_AdditionalLightData.areaIntensity, s_Styles.areaIntensity);
break;
}
if (EditorGUI.EndChangeCheck())
{
UpdateLightIntensity();
}
settings.DrawBounceIntensity();
settings.DrawLightmapping();
EditorGUI.BeginChangeCheck(); // For GI we need to detect any change on additional data and call SetLightDirty
// No cookie with area light (maybe in future textured area light ?)
if (m_LightShape != LightShape.Rectangle && m_LightShape != LightShape.Line)
{
settings.DrawCookie();
// When directional light use a cookie, it can control the size
if (settings.cookie != null && m_LightShape == LightShape.Directional)
{
EditorGUI.indentLevel++;
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeWidth, s_Styles.cookieSizeX);
EditorGUILayout.PropertyField(m_AdditionalLightData.shapeHeight, s_Styles.cookieSizeY);
EditorGUI.indentLevel--;
}
}
if (m_AdditionalLightData.showAdditionalSettings.boolValue)
{
EditorGUILayout.Space();
EditorGUILayout.LabelField("Additional Settings", EditorStyles.boldLabel);
EditorGUI.indentLevel++;
EditorGUILayout.PropertyField(m_AdditionalLightData.affectDiffuse, s_Styles.affectDiffuse);
EditorGUILayout.PropertyField(m_AdditionalLightData.affectSpecular, s_Styles.affectSpecular);
EditorGUILayout.PropertyField(m_AdditionalLightData.fadeDistance, s_Styles.fadeDistance);
EditorGUILayout.PropertyField(m_AdditionalLightData.lightDimmer, s_Styles.lightDimmer);
EditorGUILayout.PropertyField(m_AdditionalLightData.applyRangeAttenuation, s_Styles.applyRangeAttenuation);
EditorGUI.indentLevel--;
}
if (EditorGUI.EndChangeCheck())
{
m_AdditionalLightData.fadeDistance.floatValue = Mathf.Max(m_AdditionalLightData.fadeDistance.floatValue, 0.01f);
((Light)target).SetLightDirty(); // Should be apply only to parameter that's affect GI, but make the code cleaner
}
}
void DrawBakedShadowParameters()
{
switch ((LightType)settings.lightType.enumValueIndex)
{
case LightType.Directional:
EditorGUILayout.Slider(settings.bakedShadowAngleProp, 0f, 90f, s_Styles.bakedShadowAngle);
break;
case LightType.Spot:
case LightType.Point:
EditorGUILayout.PropertyField(settings.bakedShadowRadiusProp, s_Styles.bakedShadowRadius);
break;
}
}
void DrawShadows()
{
if (settings.isCompletelyBaked)
{
DrawBakedShadowParameters();
return;
}
EditorGUILayout.PropertyField(m_AdditionalShadowData.resolution, s_Styles.shadowResolution);
//EditorGUILayout.Slider(settings.shadowsBias, 0.001f, 1f, s_Styles.shadowBias);
//EditorGUILayout.Slider(settings.shadowsNormalBias, 0.001f, 1f, s_Styles.shadowNormalBias);
EditorGUILayout.Slider(m_AdditionalShadowData.viewBiasScale, 0.0f, 15.0f, s_Styles.viewBiasScale);
EditorGUILayout.Slider(settings.shadowsNearPlane, 0.01f, 10f, s_Styles.shadowNearPlane);
if (settings.isBakedOrMixed)
DrawBakedShadowParameters();
// There is currently no additional settings for shadow on directional light
if (m_AdditionalLightData.showAdditionalSettings.boolValue)
{
EditorGUILayout.Space();
EditorGUILayout.LabelField("Additional Settings", EditorStyles.boldLabel);
EditorGUI.indentLevel++;
if (settings.lightType.enumValueIndex != (int)LightType.Directional)
{
EditorGUILayout.PropertyField(m_AdditionalShadowData.fadeDistance, s_Styles.shadowFadeDistance);
EditorGUILayout.PropertyField(m_AdditionalShadowData.dimmer, s_Styles.shadowDimmer);
}
EditorGUILayout.Slider(m_AdditionalShadowData.viewBiasMin, 0.0f, 5.0f, s_Styles.viewBiasMin);
//EditorGUILayout.PropertyField(m_AdditionalShadowData.viewBiasMax, s_Styles.viewBiasMax);
EditorGUI.BeginChangeCheck();
EditorGUILayout.Slider(m_AdditionalShadowData.normalBiasMin, 0.0f, 5.0f, s_Styles.normalBiasMin);
if (EditorGUI.EndChangeCheck())
{
// Link min to max and don't expose normalBiasScale (useless when min == max)
m_AdditionalShadowData.normalBiasMax.floatValue = m_AdditionalShadowData.normalBiasMin.floatValue;
}
//EditorGUILayout.PropertyField(m_AdditionalShadowData.normalBiasMax, s_Styles.normalBiasMax);
//EditorGUILayout.PropertyField(m_AdditionalShadowData.normalBiasScale, s_Styles.normalBiasScale);
//EditorGUILayout.PropertyField(m_AdditionalShadowData.sampleBiasScale, s_Styles.sampleBiasScale);
EditorGUILayout.PropertyField(m_AdditionalShadowData.edgeLeakFixup, s_Styles.edgeLeakFixup);
if (m_AdditionalShadowData.edgeLeakFixup.boolValue)
{
EditorGUI.indentLevel++;
EditorGUILayout.PropertyField(m_AdditionalShadowData.edgeToleranceNormal, s_Styles.edgeToleranceNormal);
EditorGUILayout.Slider(m_AdditionalShadowData.edgeTolerance, 0.0f, 1.0f, s_Styles.edgeTolerance);
EditorGUI.indentLevel--;
}
EditorGUI.indentLevel--;
}
}
// Internal utilities
void ApplyAdditionalComponentsVisibility(bool hide)
{
var flags = hide ? HideFlags.HideInInspector : HideFlags.None;
foreach (var t in m_SerializedAdditionalLightData.targetObjects)
((HDAdditionalLightData)t).hideFlags = flags;
foreach (var t in m_SerializedAdditionalShadowData.targetObjects)
((AdditionalShadowData)t).hideFlags = flags;
}
void ResolveLightShape()
{
var type = settings.lightType;
// Special case for multi-selection: don't resolve light shape or it'll corrupt lights
if (type.hasMultipleDifferentValues
|| m_AdditionalLightData.lightTypeExtent.hasMultipleDifferentValues)
{
m_LightShape = (LightShape)(-1);
return;
}
var lightTypeExtent = (LightTypeExtent)m_AdditionalLightData.lightTypeExtent.enumValueIndex;
if (lightTypeExtent == LightTypeExtent.Punctual)
{
switch ((LightType)type.enumValueIndex)
{
case LightType.Directional:
m_LightShape = LightShape.Directional;
break;
case LightType.Point:
m_LightShape = LightShape.Point;
break;
case LightType.Spot:
m_LightShape = LightShape.Spot;
break;
}
}
else
{
switch (lightTypeExtent)
{
case LightTypeExtent.Rectangle:
m_LightShape = LightShape.Rectangle;
break;
case LightTypeExtent.Line:
m_LightShape = LightShape.Line;
break;
}
}
}
}
}