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150 行
4.0 KiB

using System.Reflection;
using UnityEngine;
using UnityEditor.Graphing;
using UnityEditor.ShaderGraph.Drawing.Controls;
namespace UnityEditor.ShaderGraph
{
public enum ComparisonType
{
Equal,
NotEqual,
Less,
LessOrEqual,
Greater,
GreaterOrEqual
};
[Title("Utility", "Logic", "Comparison")]
public class ComparisonNode : CodeFunctionNode
{
public ComparisonNode()
{
name = "Comparison";
}
public override string documentationURL
{
get { return "https://github.com/Unity-Technologies/ShaderGraph/wiki/Comparison-Node"; }
}
[SerializeField]
private ComparisonType m_ComparisonType = ComparisonType.Equal;
[EnumControl("")]
public ComparisonType comparisonType
{
get { return m_ComparisonType; }
set
{
if (m_ComparisonType == value)
return;
m_ComparisonType = value;
Dirty(ModificationScope.Graph);
}
}
public override bool hasPreview
{
get { return false; }
}
protected override MethodInfo GetFunctionToConvert()
{
switch(comparisonType)
{
case ComparisonType.NotEqual:
return GetType().GetMethod("Unity_Comparison_NotEqual", BindingFlags.Static | BindingFlags.NonPublic);
case ComparisonType.Less:
return GetType().GetMethod("Unity_Comparison_Less", BindingFlags.Static | BindingFlags.NonPublic);
case ComparisonType.LessOrEqual:
return GetType().GetMethod("Unity_Comparison_LessOrEqual", BindingFlags.Static | BindingFlags.NonPublic);
case ComparisonType.Greater:
return GetType().GetMethod("Unity_Comparison_Greater", BindingFlags.Static | BindingFlags.NonPublic);
case ComparisonType.GreaterOrEqual:
return GetType().GetMethod("Unity_Comparison_GreaterOrEqual", BindingFlags.Static | BindingFlags.NonPublic);
default:
return GetType().GetMethod("Unity_Comparison_Equal", BindingFlags.Static | BindingFlags.NonPublic);
}
}
static string Unity_Comparison_Equal(
[Slot(0, Binding.None)] Vector1 A,
[Slot(1, Binding.None)] Vector1 B,
[Slot(2, Binding.None)] out Boolean Out)
{
return
@"
{
Out = A == B ? 1 : 0;
}
";
}
static string Unity_Comparison_NotEqual(
[Slot(0, Binding.None)] Vector1 A,
[Slot(1, Binding.None)] Vector1 B,
[Slot(2, Binding.None)] out Boolean Out)
{
return
@"
{
Out = A != B ? 1 : 0;
}
";
}
static string Unity_Comparison_Less(
[Slot(0, Binding.None)] Vector1 A,
[Slot(1, Binding.None)] Vector1 B,
[Slot(2, Binding.None)] out Boolean Out)
{
return
@"
{
Out = A < B ? 1 : 0;
}
";
}
static string Unity_Comparison_LessOrEqual(
[Slot(0, Binding.None)] Vector1 A,
[Slot(1, Binding.None)] Vector1 B,
[Slot(2, Binding.None)] out Boolean Out)
{
return
@"
{
Out = A <= B ? 1 : 0;
}
";
}
static string Unity_Comparison_Greater(
[Slot(0, Binding.None)] Vector1 A,
[Slot(1, Binding.None)] Vector1 B,
[Slot(2, Binding.None)] out Boolean Out)
{
return
@"
{
Out = A > B ? 1 : 0;
}
";
}
static string Unity_Comparison_GreaterOrEqual(
[Slot(0, Binding.None)] Vector1 A,
[Slot(1, Binding.None)] Vector1 B,
[Slot(2, Binding.None)] out Boolean Out)
{
return
@"
{
Out = A >= B ? 1 : 0;
}
";
}
}
}