339 lines
16 KiB
C#
339 lines
16 KiB
C#
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using System;
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using System.Linq;
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using UnityEngine;
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namespace UnityEditor.Rendering
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{
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/// <summary>
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/// Descriptor for Light Unit
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/// </summary>
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public struct LightUnitSliderUIDescriptor
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{
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="valueRanges">The ranges that the value can have</param>
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/// <param name="sliderDistribution">The distribution</param>
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/// <param name="cautionTooltip">Tooltip for caution</param>
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/// <param name="unitName">The name of the unit</param>
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/// <param name="hasMarkers">If has markers</param>
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/// <param name="clampValue">If the value will be clamped to the <see cref="valueRanges"></see></param>
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public LightUnitSliderUIDescriptor(LightUnitSliderUIRange[] valueRanges, float[] sliderDistribution,
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string cautionTooltip, string unitName, bool hasMarkers = true, bool clampValue = false)
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: this(valueRanges, sliderDistribution, cautionTooltip, cautionTooltip, unitName, hasMarkers, clampValue)
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{ }
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="valueRanges">The ranges that the value can have</param>
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/// <param name="sliderDistribution">The distribution</param>
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/// <param name="belowRangeTooltip">The tooltip if the value goes below the range</param>
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/// <param name="aboveRangeTooltip">The tooltip if the value goes above the range</param>
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/// <param name="unitName">The name of the unit</param>
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/// <param name="hasMarkers">If has markers</param>
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/// <param name="clampValue">If the value will be clamped to the <see cref="valueRanges"></see></param>
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public LightUnitSliderUIDescriptor(LightUnitSliderUIRange[] valueRanges, float[] sliderDistribution, string belowRangeTooltip,
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string aboveRangeTooltip, string unitName, bool hasMarkers = true, bool clampValue = false)
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{
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this.valueRanges = valueRanges;
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this.belowRangeTooltip = belowRangeTooltip;
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this.aboveRangeTooltip = aboveRangeTooltip;
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this.sliderDistribution = sliderDistribution;
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this.unitName = unitName;
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this.hasMarkers = hasMarkers;
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this.clampValue = clampValue;
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sliderRange = new Vector2(
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this.valueRanges.Min(x => x.value.x),
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this.valueRanges.Max(x => x.value.y)
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);
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}
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/// <summary>
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/// The distribution
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/// </summary>
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public readonly float[] sliderDistribution;
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/// <summary>
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/// The ranges that the value can have
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/// </summary>
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public readonly LightUnitSliderUIRange[] valueRanges;
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/// <summary>
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/// The ranges that the slider can have
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/// </summary>
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public readonly Vector2 sliderRange;
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/// <summary>
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/// The tooltip if the value goes below the range
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/// </summary>
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public readonly string belowRangeTooltip;
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/// <summary>
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/// The tooltip if the value goes above the range
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/// </summary>
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public readonly string aboveRangeTooltip;
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/// <summary>
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/// The name of the unit
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/// </summary>
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public readonly string unitName;
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/// <summary>
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/// If has markers
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/// </summary>
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public readonly bool hasMarkers;
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/// <summary>
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/// If the value needs to be clamp
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/// </summary>
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public readonly bool clampValue;
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}
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/// <summary>
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/// The UI range of the slider
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/// </summary>
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public struct LightUnitSliderUIRange
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{
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="icon">The icon</param>
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/// <param name="tooltip">The tooltip</param>
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/// <param name="value">The min and max values</param>
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public LightUnitSliderUIRange(Texture2D icon, string tooltip, Vector2 value)
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// If no preset value provided, then by default it is the average of the value range.
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: this(icon, tooltip, value, 0.5f * (value.x + value.y))
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{ }
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="icon">The icon</param>
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/// <param name="tooltip">The tooltip</param>
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/// <param name="value">The min and max values</param>
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/// <param name="presetValue">The value given by the preset</param>
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public LightUnitSliderUIRange(Texture2D icon, string tooltip, Vector2 value, float presetValue)
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{
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this.content = new GUIContent(icon, tooltip);
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this.value = value;
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Debug.Assert(presetValue > value.x && presetValue < value.y, "Preset value is outside the slider value range.");
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// Preset values are arbitrarily chosen by artist, and we must use it instead of
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// deriving it automatically (ie, the value range average).
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this.presetValue = presetValue;
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}
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="tooltip">The tooltip</param>
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/// <param name="value">The min and max values</param>
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/// <returns></returns>
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public static LightUnitSliderUIRange CautionRange(string tooltip, float value) => new LightUnitSliderUIRange
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{
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// Load the buildin caution icon with provided tooltip.
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content = new GUIContent(EditorGUIUtility.TrIconContent("console.warnicon").image, tooltip),
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value = new Vector2(-1, value),
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presetValue = -1
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};
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/// <summary>
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/// Content
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/// </summary>
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public GUIContent content;
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/// <summary>
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/// Value
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/// </summary>
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public Vector2 value;
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/// <summary>
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/// Preset value
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/// </summary>
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public float presetValue;
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}
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/// <summary>
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/// Bunch of slider predefined descriptors
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/// </summary>
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public static class LightUnitSliderDescriptors
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{
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/// <summary>
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/// Lux
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/// </summary>
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public static LightUnitSliderUIDescriptor LuxDescriptor = new LightUnitSliderUIDescriptor(
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LightUnitValueRanges.LuxValueTable,
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LightUnitSliderDistributions.LuxDistribution,
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LightUnitTooltips.k_SunCaution,
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"Lux"
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);
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/// <summary>
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/// Lumen
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/// </summary>
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public static LightUnitSliderUIDescriptor LumenDescriptor = new LightUnitSliderUIDescriptor(
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LightUnitValueRanges.LumenValueTable,
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LightUnitSliderDistributions.LumenDistribution,
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LightUnitTooltips.k_PunctualCaution,
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"Lumen"
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);
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/// <summary>
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/// Exposure
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/// </summary>
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public static LightUnitSliderUIDescriptor ExposureDescriptor = new LightUnitSliderUIDescriptor(
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LightUnitValueRanges.ExposureValueTable,
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LightUnitSliderDistributions.ExposureDistribution,
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LightUnitTooltips.k_ExposureBelowCaution,
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LightUnitTooltips.k_ExposureAboveCaution,
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"EV"
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);
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/// <summary>
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/// Temperature
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/// </summary>
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public static LightUnitSliderUIDescriptor TemperatureDescriptor = new LightUnitSliderUIDescriptor(
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LightUnitValueRanges.KelvinValueTableNew,
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LightUnitSliderDistributions.ExposureDistribution,
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LightUnitTooltips.k_TemperatureCaution,
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"Kelvin",
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false,
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true
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);
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private static class LightUnitValueRanges
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{
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public static readonly LightUnitSliderUIRange[] LumenValueTable =
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{
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new LightUnitSliderUIRange(LightUnitIcon.ExteriorLight, LightUnitTooltips.k_PunctualExterior, new Vector2(3000, 40000), 10000),
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new LightUnitSliderUIRange(LightUnitIcon.InteriorLight, LightUnitTooltips.k_PunctualInterior, new Vector2(300, 3000), 1000),
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new LightUnitSliderUIRange(LightUnitIcon.DecorativeLight, LightUnitTooltips.k_PunctualDecorative, new Vector2(15, 300), 100),
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new LightUnitSliderUIRange(LightUnitIcon.Candlelight, LightUnitTooltips.k_PunctualCandle, new Vector2(0, 15), 12.5f),
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};
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public static readonly LightUnitSliderUIRange[] LuxValueTable =
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{
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new LightUnitSliderUIRange(LightUnitIcon.BrightSky, LightUnitTooltips.k_LuxBrightSky, new Vector2(80000, 130000), 100000),
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new LightUnitSliderUIRange(LightUnitIcon.Overcast, LightUnitTooltips.k_LuxOvercastSky, new Vector2(10000, 80000), 20000),
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new LightUnitSliderUIRange(LightUnitIcon.SunriseSunset, LightUnitTooltips.k_LuxSunriseSunset, new Vector2(1, 10000), 5000),
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new LightUnitSliderUIRange(LightUnitIcon.Moonlight, LightUnitTooltips.k_LuxMoonlight, new Vector2(0, 1), 0.5f),
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};
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public static readonly LightUnitSliderUIRange[] ExposureValueTable =
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{
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new LightUnitSliderUIRange(LightUnitIcon.BrightSky, LightUnitTooltips.k_ExposureBrightSky, new Vector2(12, 15), 13),
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new LightUnitSliderUIRange(LightUnitIcon.Overcast, LightUnitTooltips.k_ExposureOvercastSky, new Vector2(8, 12)),
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new LightUnitSliderUIRange(LightUnitIcon.SunriseSunset, LightUnitTooltips.k_ExposureSunriseSunset, new Vector2(6, 8)),
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new LightUnitSliderUIRange(LightUnitIcon.InteriorLight, LightUnitTooltips.k_ExposureInterior, new Vector2(3, 6)),
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new LightUnitSliderUIRange(LightUnitIcon.Moonlight, LightUnitTooltips.k_ExposureMoonlitSky, new Vector2(0, 3)),
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new LightUnitSliderUIRange(LightUnitIcon.MoonlessNight, LightUnitTooltips.k_ExposureMoonlessNight, new Vector2(-5, 0)),
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};
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public static readonly LightUnitSliderUIRange[] KelvinValueTableNew =
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{
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new LightUnitSliderUIRange(LightUnitIcon.BlueSky, LightUnitTooltips.k_TemperatureBlueSky, new Vector2(10000, 20000), 15000),
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new LightUnitSliderUIRange(LightUnitIcon.Shade, LightUnitTooltips.k_TemperatureShade, new Vector2(7000, 10000), 8000),
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new LightUnitSliderUIRange(LightUnitIcon.CloudySky, LightUnitTooltips.k_TemperatureCloudySky, new Vector2(6000, 7000), 6500),
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new LightUnitSliderUIRange(LightUnitIcon.DirectSunlight, LightUnitTooltips.k_TemperatureDirectSunlight, new Vector2(4500, 6000), 5500),
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new LightUnitSliderUIRange(LightUnitIcon.Fluorescent, LightUnitTooltips.k_TemperatureFluorescent, new Vector2(3500, 4500), 4000),
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new LightUnitSliderUIRange(LightUnitIcon.IntenseAreaLight, LightUnitTooltips.k_TemperatureIncandescent, new Vector2(2500, 3500), 3000),
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new LightUnitSliderUIRange(LightUnitIcon.Candlelight, LightUnitTooltips.k_TemperatureCandle, new Vector2(1500, 2500), 1900),
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};
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}
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private static class LightUnitSliderDistributions
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{
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// Warning: All of these values need to be kept in sync with their associated descriptor's set of value ranges.
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public static readonly float[] LuxDistribution = { 0.0f, 0.05f, 0.5f, 0.9f, 1.0f };
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private const float LumenStep = 1 / 4f;
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public static readonly float[] LumenDistribution =
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{
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0 * LumenStep,
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1 * LumenStep,
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2 * LumenStep,
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3 * LumenStep,
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4 * LumenStep
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};
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private const float ExposureStep = 1 / 6f;
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public static readonly float[] ExposureDistribution =
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{
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0 * ExposureStep,
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1 * ExposureStep,
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2 * ExposureStep,
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3 * ExposureStep,
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4 * ExposureStep,
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5 * ExposureStep,
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6 * ExposureStep
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};
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}
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private static class LightUnitIcon
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{
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// Note: We do not use the editor resource loading mechanism for light unit icons because we need to skin the icon correctly for the editor theme.
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// Maybe the resource reloader can be improved to support icon loading (thus supporting skinning)?
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static Texture2D GetLightUnitIcon(string name)
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{
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return CoreEditorUtils.LoadIcon(@"Packages/com.unity.render-pipelines.core/Editor/Lighting/Icons/LightUnitIcons", name, ".png");
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}
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// TODO: Move all light unit icons from the package into the built-in resources.
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public static Texture2D BlueSky = GetLightUnitIcon("BlueSky");
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public static Texture2D ClearSky = GetLightUnitIcon("ClearSky");
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public static Texture2D Candlelight = GetLightUnitIcon("Candlelight");
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public static Texture2D DecorativeLight = GetLightUnitIcon("DecorativeLight");
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public static Texture2D DirectSunlight = GetLightUnitIcon("DirectSunlight");
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public static Texture2D ExteriorLight = GetLightUnitIcon("ExteriorLight");
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public static Texture2D IntenseAreaLight = GetLightUnitIcon("IntenseAreaLight");
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public static Texture2D InteriorLight = GetLightUnitIcon("InteriorLight");
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public static Texture2D MediumAreaLight = GetLightUnitIcon("MediumAreaLight");
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public static Texture2D MoonlessNight = GetLightUnitIcon("MoonlessNight");
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public static Texture2D Moonlight = GetLightUnitIcon("Moonlight");
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public static Texture2D Overcast = GetLightUnitIcon("Overcast");
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public static Texture2D CloudySky = GetLightUnitIcon("CloudySky");
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public static Texture2D SoftAreaLight = GetLightUnitIcon("SoftAreaLight");
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public static Texture2D SunriseSunset = GetLightUnitIcon("SunriseSunset");
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public static Texture2D VeryBrightSun = GetLightUnitIcon("VeryBrightSun");
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public static Texture2D BrightSky = GetLightUnitIcon("BrightSky");
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public static Texture2D Shade = GetLightUnitIcon("Shade");
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public static Texture2D Fluorescent = GetLightUnitIcon("Fluorescent");
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}
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private static class LightUnitTooltips
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{
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// Caution
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public const string k_SunCaution = "Higher than Sunlight";
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public const string k_PunctualCaution = "Very high intensity light";
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public const string k_ExposureBelowCaution = "Lower than a moonless scene";
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public const string k_ExposureAboveCaution = "Higher than a sunlit scene";
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public const string k_TemperatureCaution = "";
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// Lux / Directional
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public const string k_LuxBrightSky = "High Sun";
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public const string k_LuxOvercastSky = "Cloudy";
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public const string k_LuxSunriseSunset = "Low Sun";
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public const string k_LuxMoonlight = "Moon";
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// Punctual
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public const string k_PunctualExterior = "Exterior";
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public const string k_PunctualInterior = "Interior";
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public const string k_PunctualDecorative = "Decorative";
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public const string k_PunctualCandle = "Candle";
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// Exposure
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public const string k_ExposureBrightSky = "Sunlit Scene";
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public const string k_ExposureOvercastSky = "Cloudy Scene";
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public const string k_ExposureSunriseSunset = "Low Sun Scene";
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public const string k_ExposureInterior = "Interior Scene";
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public const string k_ExposureMoonlitSky = "Moonlit Scene";
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public const string k_ExposureMoonlessNight = "Moonless Scene";
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// Temperature
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public const string k_TemperatureBlueSky = "Blue Sky";
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public const string k_TemperatureShade = "Shade (Clear Sky)";
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public const string k_TemperatureCloudySky = "Cloudy Skylight";
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public const string k_TemperatureDirectSunlight = "Direct Sunlight";
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public const string k_TemperatureFluorescent = "Fluorescent Light";
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public const string k_TemperatureIncandescent = "Incandescent Light";
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public const string k_TemperatureCandle = "Candlelight";
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}
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}
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}
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