Build msdfgen with BuildTool

2026-09-05 13:01:52 +00:00 · 2026-04-12 14:02:54 +02:00
parent 4c855819c9
commit 4c20cca585
4 changed files with 87 additions and 3 deletions
@@ -0,0 +1,84 @@
+using static SimpleExec.Command;
+
+namespace BuildTool.Modules;
+
+class MSDFgenModule : Module
+{
+    public static readonly string ModuleName = "MSDFgen";
+
+    public override string Name => ModuleName;
+
+    public override List<Type> DependencyTypes => [typeof(FreetypeStackModule)];
+
+    public override async Task<bool> Run(BuildInfo buildInfo)
+    {
+        string workspaceRoot = buildInfo.WorkingDirectory.WorkspaceRoot;
+        string msdfgenSrcDir = Path.Combine(workspaceRoot, "GlitchyEngine", "vendor", "msdfgen");
+        string buildDir = Path.Combine(workspaceRoot, "build", "msdfgen");
+        string distRoot = Path.Combine(msdfgenSrcDir, "msdfgen-beef", "dist");
+
+        // Freetype headers + libs come from the FreetypeStack module output.
+        string ftIncludeDir = Path.Combine(workspaceRoot,
+            "GlitchyEngine", "vendor", "freetype", "harfbuzz", "subprojects", "freetype", "include");
+        string ftLibRelease = Path.Combine(workspaceRoot,
+            "GlitchyEngine", "vendor", "freetype", "dist", "win64", "release", "freetype.lib");
+        string ftLibDebug = Path.Combine(workspaceRoot,
+            "GlitchyEngine", "vendor", "freetype", "dist", "win64", "debug", "freetype.lib");
+
+        if (buildInfo.ForceRebuild && Directory.Exists(buildDir))
+            Directory.Delete(buildDir, recursive: true);
+
+        // Configure once (multi-config VS generator handles both Debug and Release).
+        if (!Directory.Exists(buildDir))
+        {
+            Console.WriteLine($"[MSDFgen] Configuring CMake -> {buildDir}");
+            await RunAsync("cmake",
+                $"-S \"{msdfgenSrcDir}\" -B \"{buildDir}\" -A x64 " +
+                $"-DFREETYPE_INCLUDE_DIR=\"{ftIncludeDir}\" " +
+                $"-DFREETYPE_LIBRARY=\"{ftLibRelease}\" " +
+                $"-DFREETYPE_LIBRARY_DEBUG=\"{ftLibDebug}\"");
+        }
+
+        if (buildInfo.BuildDebug)
+        {
+            Console.WriteLine("[MSDFgen] Building Debug");
+            await RunAsync("cmake", $"--build \"{buildDir}\" --config Debug");
+
+            string debugDist = Path.Combine(distRoot, "Debug-Win64");
+            Directory.CreateDirectory(debugDist);
+            CopyLibs(buildDir, "Debug", debugDist);
+        }
+
+        if (buildInfo.BuildRelease)
+        {
+            Console.WriteLine("[MSDFgen] Building Release");
+            await RunAsync("cmake", $"--build \"{buildDir}\" --config Release");
+
+            string releaseDist = Path.Combine(distRoot, "Release-Win64");
+            Directory.CreateDirectory(releaseDist);
+            CopyLibs(buildDir, "Release", releaseDist);
+        }
+
+        return true;
+    }
+
+    private static void CopyLibs(string buildDir, string config, string distDir)
+    {
+        Console.WriteLine($"[MSDFgen] Copying {config} artefacts to {distDir}");
+
+        // msdfgen-core and msdfgen-ext are built inside the msdfgen/ subdirectory
+        Copy(Path.Combine(buildDir, "msdfgen", config, "msdfgen-core.lib"), distDir);
+        Copy(Path.Combine(buildDir, "msdfgen", config, "msdfgen-ext.lib"), distDir);
+        // msdfgen_c (our C wrapper stub) is at the top-level build dir
+        Copy(Path.Combine(buildDir, config, "msdfgen_c.lib"), distDir);
+    }
+
+    private static void Copy(string src, string distDir)
+    {
+        if (!File.Exists(src))
+            throw new FileNotFoundException($"Expected build artefact not found: {src}");
+
+        string dst = Path.Combine(distDir, Path.GetFileName(src));
+        File.Copy(src, dst, overwrite: true);
+    }
+}