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423 lines
18 KiB
C#
423 lines
18 KiB
C#
4 days ago
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// #define SHOW_EXPORT_BUTTON
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Reflection;
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using UnityEditor;
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using UnityEditor.Rendering;
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using UnityEngine;
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#if UNITY_2020_2_OR_NEWER
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using UnityEditor.AssetImporters;
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#else
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using UnityEditor.Experimental.AssetImporters;
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#endif
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using UnityEngine.Rendering;
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namespace CartoonFX
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{
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namespace CustomShaderImporter
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{
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static class Utils
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{
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public static bool IsUsingURP()
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{
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#if UNITY_2019_3_OR_NEWER
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var renderPipeline = GraphicsSettings.currentRenderPipeline;
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#else
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var renderPipeline = GraphicsSettings.renderPipelineAsset;
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#endif
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return renderPipeline != null && renderPipeline.GetType().Name.Contains("Universal");
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}
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}
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[ScriptedImporter(0, FILE_EXTENSION)]
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public class CFXR_ShaderImporter : ScriptedImporter
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{
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public enum RenderPipeline
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{
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Auto,
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ForceBuiltInRenderPipeline,
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ForceUniversalRenderPipeline
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}
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public const string FILE_EXTENSION = "cfxrshader";
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[Tooltip("In case of errors when building the project or with addressables, you can try forcing a specific render pipeline")]
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public RenderPipeline renderPipelineDetection = RenderPipeline.Auto;
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public string detectedRenderPipeline = "Built-In Render Pipeline";
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public int strippedLinesCount = 0;
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public string shaderSourceCode;
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public string shaderName;
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public string[] shaderErrors;
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public ulong variantCount;
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public ulong variantCountUsed;
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enum ComparisonOperator
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{
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Equal,
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Greater,
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GreaterOrEqual,
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Less,
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LessOrEqual
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}
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#if UNITY_2022_2_OR_NEWER
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const int URP_VERSION = 14;
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#elif UNITY_2021_2_OR_NEWER
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const int URP_VERSION = 12;
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#elif UNITY_2021_1_OR_NEWER
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const int URP_VERSION = 11;
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#elif UNITY_2020_3_OR_NEWER
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const int URP_VERSION = 10;
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#else
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const int URP_VERSION = 7;
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#endif
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static ComparisonOperator ParseComparisonOperator(string symbols)
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{
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switch (symbols)
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{
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case "==": return ComparisonOperator.Equal;
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case "<=": return ComparisonOperator.LessOrEqual;
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case "<": return ComparisonOperator.Less;
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case ">": return ComparisonOperator.Greater;
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case ">=": return ComparisonOperator.GreaterOrEqual;
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default: throw new Exception("Invalid comparison operator: " + symbols);
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}
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}
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static bool CompareWithOperator(int value1, int value2, ComparisonOperator comparisonOperator)
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{
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switch (comparisonOperator)
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{
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case ComparisonOperator.Equal: return value1 == value2;
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case ComparisonOperator.Greater: return value1 > value2;
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case ComparisonOperator.GreaterOrEqual: return value1 >= value2;
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case ComparisonOperator.Less: return value1 < value2;
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case ComparisonOperator.LessOrEqual: return value1 <= value2;
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default: throw new Exception("Invalid comparison operator value: " + comparisonOperator);
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}
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}
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bool StartsOrEndWithSpecialTag(string line)
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{
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bool startsWithTag = (line.Length > 4 && line[0] == '/' && line[1] == '*' && line[2] == '*' && line[3] == '*');
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if (startsWithTag) return true;
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int l = line.Length-1;
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bool endsWithTag = (line.Length > 4 && line[l] == '/' && line[l-1] == '*' && line[l-2] == '*' && line[l-3] == '*');
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return endsWithTag;
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}
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public override void OnImportAsset(AssetImportContext context)
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{
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bool isUsingURP;
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switch (renderPipelineDetection)
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{
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default:
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case RenderPipeline.Auto:
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{
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isUsingURP = Utils.IsUsingURP();
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detectedRenderPipeline = isUsingURP ? "Universal Render Pipeline" : "Built-In Render Pipeline";
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break;
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}
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case RenderPipeline.ForceBuiltInRenderPipeline:
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{
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detectedRenderPipeline = "Built-In Render Pipeline";
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isUsingURP = false;
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break;
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}
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case RenderPipeline.ForceUniversalRenderPipeline:
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{
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detectedRenderPipeline = "Universal Render Pipeline";
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isUsingURP = true;
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break;
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}
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}
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StringWriter shaderSource = new StringWriter();
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string[] sourceLines = File.ReadAllLines(context.assetPath);
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Stack<bool> excludeCurrentLines = new Stack<bool>();
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strippedLinesCount = 0;
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for (int i = 0; i < sourceLines.Length; i++)
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{
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bool excludeThisLine = excludeCurrentLines.Count > 0 && excludeCurrentLines.Peek();
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string line = sourceLines[i];
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if (StartsOrEndWithSpecialTag(line))
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{
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if (line.StartsWith("/*** BIRP ***/"))
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{
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excludeCurrentLines.Push(excludeThisLine || isUsingURP);
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}
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else if (line.StartsWith("/*** URP ***/"))
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{
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excludeCurrentLines.Push(excludeThisLine || !isUsingURP);
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}
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else if (line.StartsWith("/*** URP_VERSION "))
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{
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string subline = line.Substring("/*** URP_VERSION ".Length);
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int spaceIndex = subline.IndexOf(' ');
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string version = subline.Substring(spaceIndex, subline.LastIndexOf(' ') - spaceIndex);
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string op = subline.Substring(0, spaceIndex);
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var compOp = ParseComparisonOperator(op);
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int compVersion = int.Parse(version);
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bool isCorrectURP = CompareWithOperator(URP_VERSION, compVersion, compOp);
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excludeCurrentLines.Push(excludeThisLine || !isCorrectURP);
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}
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else if (excludeThisLine && line.StartsWith("/*** END"))
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{
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excludeCurrentLines.Pop();
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}
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else if (!excludeThisLine && line.StartsWith("/*** #define URP_VERSION ***/"))
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{
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shaderSource.WriteLine("\t\t\t#define URP_VERSION " + URP_VERSION);
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}
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}
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else
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{
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if (excludeThisLine)
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{
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strippedLinesCount++;
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continue;
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}
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shaderSource.WriteLine(line);
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}
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}
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// Get source code and extract name
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shaderSourceCode = shaderSource.ToString();
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int idx = shaderSourceCode.IndexOf("Shader \"", StringComparison.InvariantCulture) + 8;
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int idx2 = shaderSourceCode.IndexOf('"', idx);
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shaderName = shaderSourceCode.Substring(idx, idx2 - idx);
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shaderErrors = null;
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Shader shader = ShaderUtil.CreateShaderAsset(context, shaderSourceCode, true);
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if (ShaderUtil.ShaderHasError(shader))
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{
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string[] shaderSourceLines = shaderSourceCode.Split(new [] {'\n'}, StringSplitOptions.None);
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var errors = ShaderUtil.GetShaderMessages(shader);
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shaderErrors = Array.ConvertAll(errors, err => $"{err.message} (line {err.line})");
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foreach (ShaderMessage error in errors)
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{
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string message = error.line <= 0 ?
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string.Format("Shader Error in '{0}' (in file '{2}')\nError: {1}\n", shaderName, error.message, error.file) :
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string.Format("Shader Error in '{0}' (line {2} in file '{3}')\nError: {1}\nLine: {4}\n", shaderName, error.message, error.line, error.file, shaderSourceLines[error.line-1]);
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if (error.severity == ShaderCompilerMessageSeverity.Warning)
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{
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Debug.LogWarning(message);
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}
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else
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{
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Debug.LogError(message);
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}
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}
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}
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else
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{
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ShaderUtil.ClearShaderMessages(shader);
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}
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context.AddObjectToAsset("MainAsset", shader);
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context.SetMainObject(shader);
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// Try to count variant using reflection:
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// internal static extern ulong GetVariantCount(Shader s, bool usedBySceneOnly);
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variantCount = 0;
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variantCountUsed = 0;
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MethodInfo getVariantCountReflection = typeof(ShaderUtil).GetMethod("GetVariantCount", BindingFlags.Static | BindingFlags.NonPublic);
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if (getVariantCountReflection != null)
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{
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try
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{
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object result = getVariantCountReflection.Invoke(null, new object[] {shader, false});
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variantCount = (ulong)result;
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result = getVariantCountReflection.Invoke(null, new object[] {shader, true});
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variantCountUsed = (ulong)result;
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}
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catch
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{
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// ignored
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}
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}
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}
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}
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namespace Inspector
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{
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[CustomEditor(typeof(CFXR_ShaderImporter)), CanEditMultipleObjects]
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public class TCP2ShaderImporter_Editor : Editor
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{
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CFXR_ShaderImporter Importer => (CFXR_ShaderImporter) this.target;
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// From: UnityEditor.ShaderInspectorPlatformsPopup
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static string FormatCount(ulong count)
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{
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bool flag = count > 1000000000uL;
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string result;
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if (flag)
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{
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result = (count / 1000000000.0).ToString("f2", CultureInfo.InvariantCulture.NumberFormat) + "B";
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}
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else
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{
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bool flag2 = count > 1000000uL;
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if (flag2)
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{
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result = (count / 1000000.0).ToString("f2", CultureInfo.InvariantCulture.NumberFormat) + "M";
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}
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else
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{
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bool flag3 = count > 1000uL;
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if (flag3)
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{
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result = (count / 1000.0).ToString("f2", CultureInfo.InvariantCulture.NumberFormat) + "k";
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}
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else
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{
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result = count.ToString();
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}
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}
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}
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return result;
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}
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static GUIStyle _HelpBoxRichTextStyle;
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static GUIStyle HelpBoxRichTextStyle
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{
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get
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{
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if (_HelpBoxRichTextStyle == null)
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{
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_HelpBoxRichTextStyle = new GUIStyle("HelpBox");
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_HelpBoxRichTextStyle.richText = true;
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_HelpBoxRichTextStyle.margin = new RectOffset(4, 4, 0, 0);
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_HelpBoxRichTextStyle.padding = new RectOffset(4, 4, 4, 4);
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}
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return _HelpBoxRichTextStyle;
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}
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}
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public override void OnInspectorGUI()
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{
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bool multipleValues = serializedObject.isEditingMultipleObjects;
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CFXR_ShaderImporter.RenderPipeline detection = ((CFXR_ShaderImporter)target).renderPipelineDetection;
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bool isUsingURP = Utils.IsUsingURP();
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serializedObject.Update();
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GUILayout.Label(Importer.shaderName);
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string variantsText = "";
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if (Importer.variantCount > 0 && Importer.variantCountUsed > 0)
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{
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string variantsCount = multipleValues ? "-" : FormatCount(Importer.variantCount);
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string variantsCountUsed = multipleValues ? "-" : FormatCount(Importer.variantCountUsed);
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variantsText = $"\nVariants (currently used): <b>{variantsCountUsed}</b>\nVariants (including unused): <b>{variantsCount}</b>";
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}
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string strippedLinesCount = multipleValues ? "-" : Importer.strippedLinesCount.ToString();
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string renderPipeline = Importer.detectedRenderPipeline;
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if (targets is { Length: > 1 })
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{
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foreach (CFXR_ShaderImporter importer in targets)
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{
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if (importer.detectedRenderPipeline != renderPipeline)
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{
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renderPipeline = "-";
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break;
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}
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}
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}
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GUILayout.Label($"{(detection == CFXR_ShaderImporter.RenderPipeline.Auto ? "Detected" : "Forced")} render pipeline: <b>{renderPipeline}</b>\nStripped lines: <b>{strippedLinesCount}</b>{variantsText}", HelpBoxRichTextStyle);
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if (Importer.shaderErrors != null && Importer.shaderErrors.Length > 0)
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{
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GUILayout.Space(4);
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var color = GUI.color;
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GUI.color = new Color32(0xFF, 0x80, 0x80, 0xFF);
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GUILayout.Label($"<b>Errors:</b>\n{string.Join("\n", Importer.shaderErrors)}", HelpBoxRichTextStyle);
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GUI.color = color;
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}
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bool shouldReimportShader = false;
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bool compiledForURP = Importer.detectedRenderPipeline.Contains("Universal");
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if (detection == CFXR_ShaderImporter.RenderPipeline.Auto
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&& ((isUsingURP && !compiledForURP) || (!isUsingURP && compiledForURP)))
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{
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GUILayout.Space(4);
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Color guiColor = GUI.color;
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GUI.color *= Color.yellow;
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EditorGUILayout.HelpBox("The detected render pipeline doesn't match the pipeline this shader was compiled for!\nPlease reimport the shaders for them to work in the current render pipeline.", MessageType.Warning);
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if (GUILayout.Button("Reimport Shader"))
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{
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shouldReimportShader = true;
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}
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GUI.color = guiColor;
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}
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GUILayout.Space(4);
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EditorGUI.BeginChangeCheck();
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EditorGUILayout.PropertyField(serializedObject.FindProperty(nameof(CFXR_ShaderImporter.renderPipelineDetection)));
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if (EditorGUI.EndChangeCheck())
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{
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shouldReimportShader = true;
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}
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if (GUILayout.Button("View Source", GUILayout.ExpandWidth(false)))
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{
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string path = Application.temporaryCachePath + "/" + Importer.shaderName.Replace("/", "-") + "_Source.shader";
|
||
|
|
if (File.Exists(path))
|
||
|
|
{
|
||
|
|
File.SetAttributes(path, FileAttributes.Normal);
|
||
|
|
}
|
||
|
|
|
||
|
|
File.WriteAllText(path, Importer.shaderSourceCode);
|
||
|
|
File.SetAttributes(path, FileAttributes.ReadOnly);
|
||
|
|
UnityEditorInternal.InternalEditorUtility.OpenFileAtLineExternal(path, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if SHOW_EXPORT_BUTTON
|
||
|
|
GUILayout.Space(8);
|
||
|
|
|
||
|
|
EditorGUI.BeginDisabledGroup(string.IsNullOrEmpty(importer.shaderSourceCode));
|
||
|
|
{
|
||
|
|
if (GUILayout.Button("Export .shader file", GUILayout.ExpandWidth(false)))
|
||
|
|
{
|
||
|
|
string savePath = EditorUtility.SaveFilePanel("Export CFXR shader", Application.dataPath, "CFXR Shader","shader");
|
||
|
|
if (!string.IsNullOrEmpty(savePath))
|
||
|
|
{
|
||
|
|
File.WriteAllText(savePath, importer.shaderSourceCode);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
EditorGUI.EndDisabledGroup();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
serializedObject.ApplyModifiedProperties();
|
||
|
|
|
||
|
|
if (shouldReimportShader)
|
||
|
|
{
|
||
|
|
ReimportShader();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void ReimportShader()
|
||
|
|
{
|
||
|
|
foreach (UnityEngine.Object t in targets)
|
||
|
|
{
|
||
|
|
string path = AssetDatabase.GetAssetPath(t);
|
||
|
|
AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceSynchronousImport);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|