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using System;
using System.Collections.Generic;
using UnityEngine;
namespace Poiyomi.ModularShaderSystem
{
[Serializable]
public class Variable : IEquatable<Variable>
{
public override int GetHashCode()
{
int hashCode = (Name != null ? Name.GetHashCode() : 0);
return hashCode;
}
public string Name;
public VariableType Type;
public string CustomType;
public string GetDefinition()
{
switch (Type)
{
case VariableType.Half:
return $"half {Name};";
case VariableType.Half2:
return $"half2 {Name};";
case VariableType.Half3:
return $"half3 {Name};";
case VariableType.Half4:
return $"half4 {Name};";
case VariableType.Float:
return $"float {Name};";
case VariableType.Float2:
return $"float2 {Name};";
case VariableType.Float3:
return $"float3 {Name};";
case VariableType.Float4:
return $"float4 {Name};";
case VariableType.Sampler2D:
return $"sampler2D {Name};";
case VariableType.SamplerCUBE:
return $"samplerCUBE {Name};";
case VariableType.Sampler3D:
return $"sampler3D {Name};";
case VariableType.Texture2D:
return $"Texture2D {Name};";
case VariableType.Texture2DArray:
return $"Texture2DArray {Name};";
case VariableType.Texture2DMS:
return $"Texture2DMS {Name};";
case VariableType.TextureCube:
return $"TextureCube {Name};";
case VariableType.TextureCubeArray:
return $"TextureCubeArray {Name};";
case VariableType.Texture3D:
return $"Texture3D {Name};";
case VariableType.UnityTex2D:
return $"UNITY_DECLARE_TEX2D({Name});";
case VariableType.UnityTex2DNoSampler:
return $"UNITY_DECLARE_TEX2D_NOSAMPLER({Name});";
case VariableType.UnityTexCube:
return $"UNITY_DECLARE_TEXCUBE({Name});";
case VariableType.UnityTexCubeNoSampler:
return $"UNITY_DECLARE_TEXCUBE_NOSAMPLER({Name});";
case VariableType.UnityTex3D:
return $"UNITY_DECLARE_TEX3D({Name});";
case VariableType.UnityTex3DNoSampler:
return $"UNITY_DECLARE_TEX3D_NOSAMPLER({Name});";
case VariableType.UnityTex2DArray:
return $"UNITY_DECLARE_TEX2DARRAY({Name});";
case VariableType.UnityTex2DArrayNoSampler:
return $"UNITY_DECLARE_TEX2DARRAY_NOSAMPLER({Name});";
case VariableType.UnityTexCubeArray:
return $"UNITY_DECLARE_TEXCUBEARRAY({Name});";
case VariableType.UnityTexCubeArrayNoSampler:
return $"UNITY_DECLARE_TEXCUBEARRAY_NOSAMPLER({Name});";
case VariableType.Custom:
return $"{CustomType} {Name};";
}
return "";
}
public override bool Equals(object obj)
{
return Equals(obj as Variable);
}
public bool Equals(Variable other)
{
return other != null &&
Name.Equals(other.Name);
}
public static bool operator ==(Variable left, Variable right)
{
return EqualityComparer<Variable>.Default.Equals(left, right);
}
public static bool operator !=(Variable left, Variable right)
{
return !(left == right);
}
}
public enum VariableType
{
Half,
Half2,
Half3,
Half4,
Float,
Float2,
Float3,
Float4,
Sampler2D,
SamplerCUBE,
Sampler3D,
Texture2D,
Texture2DArray,
Texture2DMS,
TextureCube,
TextureCubeArray,
Texture3D,
UnityTex2D,
UnityTex2DNoSampler,
UnityTexCube,
UnityTexCubeNoSampler,
UnityTex3D,
UnityTex3DNoSampler,
UnityTex2DArray,
UnityTex2DArrayNoSampler,
UnityTexCubeArray,
UnityTexCubeArrayNoSampler,
Custom = 999
}
}
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