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371 行
12 KiB
371 行
12 KiB
using System.Reflection;
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using UnityEditor.ShaderGraph.Drawing.Controls;
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using UnityEngine;
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using UnityEditor.Graphing;
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namespace UnityEditor.ShaderGraph
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{
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[Title("Artistic", "Blend", "Blend")]
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class BlendNode : CodeFunctionNode
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{
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public BlendNode()
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{
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name = "Blend";
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}
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string GetCurrentBlendName()
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{
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return System.Enum.GetName(typeof(BlendMode), m_BlendMode);
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}
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[SerializeField]
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BlendMode m_BlendMode = BlendMode.Overlay;
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[EnumControl("Mode")]
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public BlendMode blendMode
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{
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get { return m_BlendMode; }
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set
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{
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if (m_BlendMode == value)
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return;
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m_BlendMode = value;
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Dirty(ModificationScope.Graph);
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}
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}
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protected override MethodInfo GetFunctionToConvert()
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{
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return GetType().GetMethod(string.Format("Unity_Blend_{0}", GetCurrentBlendName()),
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BindingFlags.Static | BindingFlags.NonPublic);
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}
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static string Unity_Blend_Burn(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = 1.0 - (1.0 - Blend)/(Base + 0.000000000001);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Darken(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = min(Blend, Base);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Difference(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = abs(Blend - Base);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Dodge(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Base / (1.0 - clamp(Blend, 0.000001, 0.999999));
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Divide(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Base / (Blend + 0.000000000001);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Exclusion(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Blend + Base - (2.0 * Blend * Base);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_HardLight(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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$precision{slot2dimension} result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
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$precision{slot2dimension} result2 = 2.0 * Base * Blend;
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$precision{slot2dimension} zeroOrOne = step(Blend, 0.5);
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Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_HardMix(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = step(1 - Base, Blend);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Lighten(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = max(Blend, Base);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_LinearBurn(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Base + Blend - 1.0;
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_LinearDodge(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Base + Blend;
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_LinearLight(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Blend < 0.5 ? max(Base + (2 * Blend) - 1, 0) : min(Base + 2 * (Blend - 0.5), 1);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_LinearLightAddSub(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Blend + 2.0 * Base - 1.0;
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Multiply(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Base * Blend;
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Negation(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = 1.0 - abs(1.0 - Blend - Base);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Screen(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = 1.0 - (1.0 - Blend) * (1.0 - Base);
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Out = lerp(Base, Out, Opacity);
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}";
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}
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static string Unity_Blend_Overlay(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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$precision{slot2dimension} result1 = 1.0 - 2.0 * (1.0 - Base) * (1.0 - Blend);
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$precision{slot2dimension} result2 = 2.0 * Base * Blend;
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$precision{slot2dimension} zeroOrOne = step(Base, 0.5);
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Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
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Out = lerp(Base, Out, Opacity);
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}
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";
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}
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static string Unity_Blend_PinLight(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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$precision{slot2dimension} check = step (0.5, Blend);
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$precision{slot2dimension} result1 = check * max(2.0 * (Base - 0.5), Blend);
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Out = result1 + (1.0 - check) * min(2.0 * Base, Blend);
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Out = lerp(Base, Out, Opacity);
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}
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";
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}
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static string Unity_Blend_SoftLight(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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$precision{slot2dimension} result1 = 2.0 * Base * Blend + Base * Base * (1.0 - 2.0 * Blend);
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$precision{slot2dimension} result2 = sqrt(Base) * (2.0 * Blend - 1.0) + 2.0 * Base * (1.0 - Blend);
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$precision{slot2dimension} zeroOrOne = step(0.5, Blend);
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Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
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Out = lerp(Base, Out, Opacity);
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}
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";
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}
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static string Unity_Blend_VividLight(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Base = clamp(Base, 0.000001, 0.999999);
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$precision{slot2dimension} result1 = 1.0 - (1.0 - Blend) / (2.0 * Base);
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$precision{slot2dimension} result2 = Blend / (2.0 * (1.0 - Base));
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$precision{slot2dimension} zeroOrOne = step(0.5, Base);
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Out = result2 * zeroOrOne + (1 - zeroOrOne) * result1;
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Out = lerp(Base, Out, Opacity);
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}
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";
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}
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static string Unity_Blend_Subtract(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = Base - Blend;
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Out = lerp(Base, Out, Opacity);
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}
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";
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}
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static string Unity_Blend_Overwrite(
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[Slot(0, Binding.None)] DynamicDimensionVector Base,
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[Slot(1, Binding.None)] DynamicDimensionVector Blend,
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[Slot(3, Binding.None, 1, 1, 1, 1)] Vector1 Opacity,
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[Slot(2, Binding.None)] out DynamicDimensionVector Out)
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{
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return
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@"
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{
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Out = lerp(Base, Blend, Opacity);
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}";
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}
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}
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}
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