#if UNITY_EDITOR
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// ============================================================================
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// WebGLBuildOptimizer.cs — WebGL 构建优化设置
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// US5 T048: 配置 IL2CPP 裁剪、压缩等以确保首包 ≤ 4MB
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// ============================================================================
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using UnityEditor;
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using UnityEngine;
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namespace ProjSG.Resource.Editor
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{
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/// <summary>
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/// WebGL 构建优化配置工具。
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/// 通过菜单 "ProjSG/Build/Apply WebGL Optimizations" 应用。
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/// </summary>
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public static class WebGLBuildOptimizer
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{
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[MenuItem("ProjSG/Build/Apply WebGL Optimizations")]
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public static void ApplyOptimizations()
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{
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// IL2CPP code stripping
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PlayerSettings.stripEngineCode = true;
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// Managed stripping level — High for smallest build
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PlayerSettings.SetManagedStrippingLevel(BuildTargetGroup.WebGL, ManagedStrippingLevel.High);
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// WebGL compression — Brotli for smallest size
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PlayerSettings.WebGL.compressionFormat = WebGLCompressionFormat.Brotli;
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// Decompression fallback — enable for broader server compatibility
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PlayerSettings.WebGL.decompressionFallback = true;
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// Data caching — enable for faster subsequent loads
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PlayerSettings.WebGL.dataCaching = true;
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// Exception support — minimal for smaller build
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PlayerSettings.WebGL.exceptionSupport = WebGLExceptionSupport.None;
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// WebGL template — Minimal
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PlayerSettings.WebGL.template = "APPLICATION:Minimal";
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// Memory size — reasonable default (MB)
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PlayerSettings.WebGL.memorySize = 256;
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Debug.Log("[WebGLBuildOptimizer] Applied WebGL build optimizations for ≤ 4MB first package.");
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}
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[MenuItem("ProjSG/Build/Validate First Package Size")]
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public static void ValidateFirstPackageSize()
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{
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string buildPath = "Builds/WebGL";
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if (!System.IO.Directory.Exists(buildPath))
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{
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Debug.LogWarning($"[WebGLBuildOptimizer] Build directory not found: {buildPath}. Build first, then validate.");
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return;
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}
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long totalBytes = 0;
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var files = System.IO.Directory.GetFiles(buildPath, "*", System.IO.SearchOption.AllDirectories);
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foreach (var file in files)
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{
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var info = new System.IO.FileInfo(file);
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totalBytes += info.Length;
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// Log large files
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if (info.Length > 500 * 1024) // > 500KB
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{
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Debug.Log($" Large file: {info.Name} = {info.Length / 1024f / 1024f:F2} MB");
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}
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}
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float totalMB = totalBytes / 1024f / 1024f;
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string status = totalMB <= 4f ? "PASS" : "FAIL";
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Debug.Log($"[WebGLBuildOptimizer] First package total: {totalMB:F2} MB — {status} (target ≤ 4MB)");
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}
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}
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}
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#endif
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