您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
246 行
13 KiB
246 行
13 KiB
using UnityEngine.Graphing;
|
|
|
|
namespace UnityEngine.MaterialGraph
|
|
{
|
|
[Title("Art/BlendMode")]
|
|
public class BlendModeNode : Function2Input, IGeneratesFunction
|
|
{
|
|
public BlendModeNode()
|
|
{
|
|
name = "BlendMode";
|
|
}
|
|
|
|
protected override string GetFunctionName()
|
|
{
|
|
return "unity_blendmode_" + System.Enum.GetName(typeof(BlendModesEnum), m_BlendMode);
|
|
}
|
|
protected override string GetInputSlot1Name()
|
|
{
|
|
return "A|Blend/Src";
|
|
}
|
|
protected override string GetInputSlot2Name()
|
|
{
|
|
return "B|Base/Dest";
|
|
}
|
|
|
|
[SerializeField]
|
|
private BlendModesEnum m_BlendMode;
|
|
public BlendModesEnum blendMode
|
|
{
|
|
get { return m_BlendMode; }
|
|
set
|
|
{
|
|
if (m_BlendMode == value)
|
|
return;
|
|
|
|
m_BlendMode = value;
|
|
if (onModified != null)
|
|
{
|
|
onModified(this, ModificationScope.Graph);
|
|
}
|
|
}
|
|
}
|
|
/*This is to overide input to be vector 3, not really necessary anymore*/
|
|
/*
|
|
protected override MaterialSlot GetInputSlot1()
|
|
{
|
|
return new MaterialSlot(InputSlot1Id, GetInputSlot1Name(), kInputSlot1ShaderName, SlotType.Input, SlotValueType.Vector3, Vector4.zero);
|
|
}
|
|
protected override MaterialSlot GetInputSlot2()
|
|
{
|
|
return new MaterialSlot(InputSlot2Id, GetInputSlot2Name(), kInputSlot2ShaderName, SlotType.Input, SlotValueType.Vector3, Vector4.zero);
|
|
}
|
|
protected override MaterialSlot GetOutputSlot()
|
|
{
|
|
return new MaterialSlot(OutputSlotId, GetOutputSlotName(), kOutputSlotShaderName, SlotType.Output, SlotValueType.Vector3, Vector4.zero);
|
|
}
|
|
*/
|
|
public override bool hasPreview { get { return true; } }
|
|
|
|
public void GenerateNodeFunction(ShaderGenerator visitor, GenerationMode generationMode)
|
|
{
|
|
var outputString = new ShaderGenerator();
|
|
switch (m_BlendMode)
|
|
{
|
|
case BlendModesEnum.Burn:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return 1.0 - (1.0 - arg2)/arg1;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Darken:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return min(arg2,arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Difference:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return abs(arg2-arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Dodge:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg2 / (1.0 - arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Divide:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg2 / (arg1 + 0.000000000001);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Exclusion:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
// outputString.AddShaderChunk("return arg2 + arg1 - (" + precision + "3(2.0,2.0,2.0)*arg2*arg1);", false);
|
|
outputString.AddShaderChunk("return arg2 + arg1 - (2.0 *arg2*arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.HardLight:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk(precision + outputDimension + " result1 = 1.0 - 2.0 * (1.0 - arg1) * (1.0 - arg2);", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " result2 = 2.0 * arg1 * arg2;", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " zeroOrOne = step(arg1, 0.5);", false);
|
|
outputString.AddShaderChunk("return result2 * zeroOrOne + (1 - zeroOrOne) * result1;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.HardMix:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return step(1-arg1, arg2);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Lighten:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return max(arg2,arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.LinearBurn:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg1 + arg2 - 1.0;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.LinearDodge:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg1 + arg2;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.LinearLight:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg2 + 2.0 * arg1 - 1.0;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Multiply:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg1 * arg2;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Negation:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return 1.0 - abs(1.0 - arg2 - arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Overlay:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk(precision + outputDimension + " result1 = 1.0 - 2.0 * (1.0 - arg1) * (1.0 - arg2);", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " result2 = 2.0 * arg1 * arg2;", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " zeroOrOne = step(arg2, 0.5);", false);
|
|
outputString.AddShaderChunk("return result2 * zeroOrOne + (1 - zeroOrOne) * result1;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.PinLight:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk(precision + outputDimension + " check = step (0.5, arg1);", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " result = check * max(2.0*(arg1 - 0.5), arg2);", false);
|
|
outputString.AddShaderChunk("return result += (1.0 - check) * min(2.0 * arg1,arg2);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Screen:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return 1.0 - (1.0-arg2) * (1.0 - arg1);", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.SoftLight:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk(precision + outputDimension + " result1= 2.0 * arg2 * arg1 + arg2*arg2 - 2.0 * arg2*arg2*arg1;", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " result2= 2.0* sqrt(arg2) * arg1 - sqrt(arg2) + 2.0 * arg2 - 2.0 * arg2*arg1;", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " zeroOrOne = step(0.5, arg1);", false);
|
|
outputString.AddShaderChunk("return result2 * zeroOrOne + (1 - zeroOrOne) * result1;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.Substract:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk("return arg2 - arg1;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
case BlendModesEnum.VividLight:
|
|
outputString.AddShaderChunk(GetFunctionPrototype("arg1", "arg2"), false);
|
|
outputString.AddShaderChunk("{", false);
|
|
outputString.Indent();
|
|
outputString.AddShaderChunk(precision + outputDimension + " result1= 1.0-(1.0-arg2)/(2.0*arg1);", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " result2= arg2/(2.0*(1.0-arg1));", false);
|
|
outputString.AddShaderChunk(precision + outputDimension + " zeroOrOne = step(0.5, arg1);", false);
|
|
outputString.AddShaderChunk("return result2 * zeroOrOne + (1 - zeroOrOne) * result1;", false);
|
|
outputString.Deindent();
|
|
outputString.AddShaderChunk("}", false);
|
|
break;
|
|
}
|
|
|
|
visitor.AddShaderChunk(outputString.GetShaderString(0), true);
|
|
}
|
|
}
|
|
}
|
|
|