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Firstborn/Assets/AwesomeTechnologies/VSPShaderPackager/Editor/ShaderPackage.cs

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2023-03-28 13:16:30 -04:00
//////////////////////////////////////////////////////
// Shader Packager
// Copyright (c)2021 Jason Booth
//////////////////////////////////////////////////////
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
namespace AwesomeTechnologies.ShaderPackager
{
public class ShaderPackage : ScriptableObject
{
public enum SRPTarget
{
Standard,
URP,
HDRP
}
public enum UnityVersion
{
Min = 0,
Unity2018_4 = 20184,
Unity2019_1 = 20191,
Unity2019_2 = 20192,
Unity2019_3 = 20193,
Unity2019_4 = 20194,
Unity2020_1 = 20201,
Unity2020_2 = 20202,
Unity2020_3 = 20203,
Unity2021_1 = 20211,
Unity2021_2 = 20212,
Unity2021_3 = 20213,
Unity2022_1 = 20221,
Unity2022_2 = 20222,
Unity2022_3 = 20223,
Max = 30000
}
[System.Serializable]
public class Entry
{
public SRPTarget srpTarget = SRPTarget.Standard;
public UnityVersion UnityVersionMin = UnityVersion.Min;
public UnityVersion UnityVersionMax = UnityVersion.Max;
public Shader shader;
public string shaderSrc;
}
public List<Entry> entries = new List<Entry>();
#if __BETTERSHADERS__
public Shader betterShader;
public string betterShaderPath;
public JBooth.BetterShaders.OptionOverrides optionOverrides;
#endif
public void Pack(bool warnErrors)
{
#if __BETTERSHADERS__
if (betterShader != null)
{
betterShaderPath = AssetDatabase.GetAssetPath(betterShader);
}
if (!string.IsNullOrEmpty(betterShaderPath))
{
var assetPath = betterShaderPath;
if (assetPath.EndsWith(".surfshader"))
{
entries.Clear();
ShaderPackage.Entry e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.BetterShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.HDRP2019, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.HDRP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2019_4;
e.UnityVersionMax = ShaderPackage.UnityVersion.Unity2020_1;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.BetterShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.Standard, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.Standard;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2019_4;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.BetterShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.URP2019, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.URP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2019_4;
e.UnityVersionMax = ShaderPackage.UnityVersion.Unity2020_1;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.BetterShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.HDRP2020, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.HDRP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2020_2;
e.UnityVersionMax = ShaderPackage.UnityVersion.Unity2022_1;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.BetterShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.HDRP2021, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.HDRP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2021_2;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.BetterShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.URP2020, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.URP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2020_2;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
}
else if (assetPath.EndsWith(".stackedshader"))
{
entries.Clear();
ShaderPackage.Entry e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.HDRP2019, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.HDRP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2019_4;
e.UnityVersionMax = ShaderPackage.UnityVersion.Unity2020_1;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.Standard, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.Standard;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2019_4;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.URP2019, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.URP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2019_4;
e.UnityVersionMax = ShaderPackage.UnityVersion.Unity2020_2;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.URP2020, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.URP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2020_2;
e.UnityVersionMax = ShaderPackage.UnityVersion.Unity2020_3;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.HDRP2020, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.HDRP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2020_2;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.URP2021, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.URP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2020_1;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
e = new ShaderPackage.Entry();
entries.Add(e);
e.shaderSrc = JBooth.BetterShaders.StackedShaderImporterEditor.BuildExportShader(
JBooth.BetterShaders.ShaderBuilder.RenderPipeline.HDRP2021, optionOverrides, assetPath);
e.srpTarget = ShaderPackage.SRPTarget.HDRP;
e.UnityVersionMin = ShaderPackage.UnityVersion.Unity2020_2;
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
}
}
#endif
foreach (var e in entries)
{
if (e.shader
#if __BETTERSHADERS__
&& betterShader == null
#endif
)
{
if (warnErrors)
{
Debug.LogError("Shader is null, cannot pack");
}
break;
}
if (e.UnityVersionMax == ShaderPackage.UnityVersion.Min && e.UnityVersionMin == ShaderPackage.UnityVersion.Min)
{
e.UnityVersionMax = ShaderPackage.UnityVersion.Max;
}
if (e.shader != null)
{
var path = AssetDatabase.GetAssetPath(e.shader);
e.shaderSrc = System.IO.File.ReadAllText(path);
}
}
}
public string GetShaderSrc()
{
UnityVersion curVersion = UnityVersion.Min;
#if UNITY_2018_4_OR_NEWER
curVersion = UnityVersion.Unity2018_4;
#endif
#if UNITY_2019_1_OR_NEWER
curVersion = UnityVersion.Unity2019_1;
#endif
#if UNITY_2019_2_OR_NEWER
curVersion = UnityVersion.Unity2019_2;
#endif
#if UNITY_2019_3_OR_NEWER
curVersion = UnityVersion.Unity2019_3;
#endif
#if UNITY_2019_4_OR_NEWER
curVersion = UnityVersion.Unity2019_4;
#endif
#if UNITY_2020_1_OR_NEWER
curVersion = UnityVersion.Unity2020_1;
#endif
#if UNITY_2020_2_OR_NEWER
curVersion = UnityVersion.Unity2020_2;
#endif
#if UNITY_2020_3_OR_NEWER
curVersion = UnityVersion.Unity2020_3;
#endif
#if UNITY_2021_1_OR_NEWER
curVersion = UnityVersion.Unity2021_1;
#endif
#if UNITY_2021_2_OR_NEWER
curVersion = UnityVersion.Unity2021_2;
#endif
#if UNITY_2021_3_OR_NEWER
curVersion = UnityVersion.Unity2021_3;
#endif
#if UNITY_2022_1_OR_NEWER
curVersion = UnityVersion.Unity2022_1;
#endif
#if UNITY_2022_2_OR_NEWER
curVersion = UnityVersion.Unity2022_2;
#endif
#if UNITY_2022_3_OR_NEWER
curVersion = UnityVersion.Unity2022_3;
#endif
SRPTarget target = SRPTarget.Standard;
#if USING_HDRP
target = SRPTarget.HDRP;
#endif
#if USING_URP
target = SRPTarget.URP;
#endif
string s = null;
foreach (var e in entries)
{
if (target != e.srpTarget)
continue;
// default init state..
if (e.UnityVersionMax == UnityVersion.Min && e.UnityVersionMin == UnityVersion.Min)
{
e.UnityVersionMax = UnityVersion.Max;
}
if (curVersion >= e.UnityVersionMin && curVersion <= e.UnityVersionMax)
{
if (s != null)
{
Debug.LogWarning("Found multiple possible entries for unity version of shader");
}
s = e.shaderSrc;
}
}
return s;
}
}
}