From a2983692930564815a77f81e74c151268f5b935f Mon Sep 17 00:00:00 2001
From: ParantezTech <12572227+par274@users.noreply.github.com>
Date: Sat, 10 Oct 2026 16:40:10 +0300
Subject: [PATCH] [Demo] remove bg music from bundled demo

---
 src/SharpEmu.CLI/SharpEmu.CLI.csproj          |  6 +++-
 src/SharpEmu.GUI/BundledDemo.cs               |  1 -
 .../GUI/BundledDemoTests.cs                   | 35 +++++++++++++++++++
 3 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 tests/SharpEmu.Libs.Tests/GUI/BundledDemoTests.cs

diff --git a/src/SharpEmu.CLI/SharpEmu.CLI.csproj b/src/SharpEmu.CLI/SharpEmu.CLI.csproj
index dfe7ddc..46fd61a 100644
--- a/src/SharpEmu.CLI/SharpEmu.CLI.csproj
+++ b/src/SharpEmu.CLI/SharpEmu.CLI.csproj
@@ -181,7 +181,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
   </Target>
 
   <PropertyGroup>
-    <SharpEmuDemoTag>e3a6dd3</SharpEmuDemoTag>
+    <SharpEmuDemoTag>49e6b3b</SharpEmuDemoTag>
     <SharpEmuDemoFolderName>demo</SharpEmuDemoFolderName>
     <SharpEmuDemoCacheDir>$(BaseIntermediateOutputPath)sharpemu-demo/$(SharpEmuDemoTag)</SharpEmuDemoCacheDir>
     <SharpEmuDemoArchive>$(SharpEmuDemoCacheDir)/sharpemu-demo.zip</SharpEmuDemoArchive>
@@ -207,6 +207,8 @@ SPDX-License-Identifier: GPL-2.0-or-later
       DestinationFolder="$(SharpEmuDemoDir)"
       Condition="'$(SharpEmuDemoTag)' != '' And '$(_SharpEmuDemoCurrent)' != 'true' And Exists('$(SharpEmuDemoArchive)')"
       ContinueOnError="WarnAndContinue" />
+    <!-- Older demo releases include preview music; keep the bundled demo silent. -->
+    <Delete Files="$(SharpEmuDemoDir)sce_sys/snd0.at9" />
     <PropertyGroup>
       <SharpEmuDemoComplete Condition="Exists('$(SharpEmuDemoDir)eboot.bin') And Exists('$(SharpEmuDemoDir)sce_sys/param.json') And Exists('$(SharpEmuDemoDir)sce_sys/icon0.png') And Exists('$(SharpEmuDemoDir)sce_sys/pic0.png')">true</SharpEmuDemoComplete>
     </PropertyGroup>
@@ -231,6 +233,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
       SourceFiles="@(_SharpEmuDemoFiles)"
       DestinationFiles="@(_SharpEmuDemoFiles->'$(OutDir)$(SharpEmuDemoFolderName)/%(RecursiveDir)%(Filename)%(Extension)')"
       SkipUnchangedFiles="true" />
+    <Delete Files="$(OutDir)$(SharpEmuDemoFolderName)/sce_sys/snd0.at9" />
   </Target>
 
   <Target Name="PublishSharpEmuDemo" AfterTargets="Publish" DependsOnTargets="FetchSharpEmuDemo">
@@ -245,6 +248,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
       SourceFiles="@(_SharpEmuDemoFiles)"
       DestinationFiles="@(_SharpEmuDemoFiles->'$(PublishDir)$(SharpEmuDemoFolderName)/%(RecursiveDir)%(Filename)%(Extension)')"
       SkipUnchangedFiles="true" />
+    <Delete Files="$(PublishDir)$(SharpEmuDemoFolderName)/sce_sys/snd0.at9" />
   </Target>
 
 </Project>
diff --git a/src/SharpEmu.GUI/BundledDemo.cs b/src/SharpEmu.GUI/BundledDemo.cs
index 31a8c5c..854010e 100644
--- a/src/SharpEmu.GUI/BundledDemo.cs
+++ b/src/SharpEmu.GUI/BundledDemo.cs
@@ -15,7 +15,6 @@ internal static class BundledDemo
         Path.Combine("sce_sys", "param.json"),
         Path.Combine("sce_sys", "icon0.png"),
         Path.Combine("sce_sys", "pic0.png"),
-        Path.Combine("sce_sys", "snd0.at9"),
     ];
 
     internal static string? FindEboot(string baseDirectory)
diff --git a/tests/SharpEmu.Libs.Tests/GUI/BundledDemoTests.cs b/tests/SharpEmu.Libs.Tests/GUI/BundledDemoTests.cs
new file mode 100644
index 0000000..f740a4b
--- /dev/null
+++ b/tests/SharpEmu.Libs.Tests/GUI/BundledDemoTests.cs
@@ -0,0 +1,35 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.GUI;
+using Xunit;
+
+namespace SharpEmu.Libs.Tests.GUI;
+
+public sealed class BundledDemoTests
+{
+    [Fact]
+    public void FindEbootRequiresDemoAssetsButNotPreviewMusic()
+    {
+        var directory = Directory.CreateTempSubdirectory("bundled-demo-test-");
+        try
+        {
+            var root = Path.Combine(directory.FullName, BundledDemo.FolderName);
+            var assets = Directory.CreateDirectory(Path.Combine(root, "sce_sys")).FullName;
+            var eboot = Path.Combine(root, "eboot.bin");
+            File.WriteAllBytes(eboot, []);
+            foreach (var name in new[] { "param.json", "icon0.png", "pic0.png" })
+            {
+                File.WriteAllBytes(Path.Combine(assets, name), []);
+            }
+
+            Assert.Equal(eboot, BundledDemo.FindEboot(directory.FullName));
+            File.Delete(Path.Combine(assets, "param.json"));
+            Assert.Null(BundledDemo.FindEboot(directory.FullName));
+        }
+        finally
+        {
+            directory.Delete(recursive: true);
+        }
+    }
+}