From da0224a3383ef392277d4904ff9d9a55e823ffd4 Mon Sep 17 00:00:00 2001
From: Tillman Staffen <staffen@b-rex.de>
Date: Tue, 27 Jan 2026 16:15:20 +0100
Subject: [PATCH] [RECOMPILE] Added Debug Wipe last cached/played audio clip

---
 .../Debug/Pages/W_DebugAvatarCoreTTS.uasset   |  4 +-
 .../AvatarCore_TTS/Private/TTSManagerBase.cpp | 40 +++++++++++++++++++
 .../AvatarCore_TTS/Public/TTSManagerBase.h    |  6 ++-
 3 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/Unreal/Plugins/AvatarCore_Manager/Content/Widgets/Debug/Pages/W_DebugAvatarCoreTTS.uasset b/Unreal/Plugins/AvatarCore_Manager/Content/Widgets/Debug/Pages/W_DebugAvatarCoreTTS.uasset
index 4323b64..ddca0e6 100644
--- a/Unreal/Plugins/AvatarCore_Manager/Content/Widgets/Debug/Pages/W_DebugAvatarCoreTTS.uasset
+++ b/Unreal/Plugins/AvatarCore_Manager/Content/Widgets/Debug/Pages/W_DebugAvatarCoreTTS.uasset
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:af9561a39ab354950de4b6a2d46c56fcf86de69862297785f6a09df5f294347f
-size 248164
+oid sha256:dd422da8a67086a14e50b8cb997771f04f8c9ca665dd73c645b98c19d3147d92
+size 267705
diff --git a/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Private/TTSManagerBase.cpp b/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Private/TTSManagerBase.cpp
index 7b6d547..2854062 100644
--- a/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Private/TTSManagerBase.cpp
+++ b/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Private/TTSManagerBase.cpp
@@ -298,6 +298,46 @@ void UTTSManagerBase::WipeCache()
 	}
 }
 
+void UTTSManagerBase::WipeLastCachedFile()
+{
+	IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
+	FString CacheDir = GetCacheDirectory();
+	if (!PlatformFile.DirectoryExists(*CacheDir))
+	{
+		UE_LOG(LogTemp, Warning, TEXT("Directory does not exist: %s - Cache disable?"), *CacheDir);
+		return;
+	}
+
+	TArray<FString> FileNames;
+	const FString Wildcard = FPaths::Combine(CacheDir, TEXT("*"));
+	IFileManager::Get().FindFiles(FileNames, *Wildcard, /*Files=*/true, /*Directories=*/false);
+
+	if (FileNames.Num() == 0)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("No files in dir: %s - Cache disable?"), *CacheDir);
+		return;
+	}
+
+	FDateTime NewestTimestamp = FDateTime::MinValue();
+	FString NewestFullPath;
+	for (const FString& FileName : FileNames)
+	{
+		const FString FullPath = FPaths::Combine(CacheDir, FileName);
+		const FDateTime Timestamp = IFileManager::Get().GetTimeStamp(*FullPath);
+		if (Timestamp > NewestTimestamp)
+		{
+			NewestTimestamp = Timestamp;
+			NewestFullPath = FullPath;
+		}
+	}
+
+	if (!NewestFullPath.IsEmpty() && PlatformFile.FileExists(*NewestFullPath))
+	{
+		IFileManager::Get().Delete(*NewestFullPath, /*RequireExists=*/false, /*EvenReadOnly=*/true, /*Quiet=*/true);
+		UE_LOG(LogTemp, Warning, TEXT("File deleted: %s"), *NewestFullPath);
+	}
+}
+
 void UTTSManagerBase::OnTTSManagerFinished()
 {
 	// Reset procedural sound wave
diff --git a/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Public/TTSManagerBase.h b/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Public/TTSManagerBase.h
index 9b88cf4..cebce8e 100644
--- a/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Public/TTSManagerBase.h
+++ b/Unreal/Plugins/AvatarCore_TTS/Source/AvatarCore_TTS/Public/TTSManagerBase.h
@@ -158,10 +158,14 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "AvatarCoreTTS|Cache")
 	void PreCacheSpeeches(TArray<FString> Sentences);
 
-	// Wipe the complete audio cache - latest played audio clip will always have the latest change date on disk (if you want to delete audio more surgically)
+	// Wipe the complete audio cache
 	UFUNCTION(BlueprintCallable, Category = "AvatarCoreTTS|Cache")
 	static void WipeCache();
 
+	// Delete the last played/cached audio file
+	UFUNCTION(BlueprintCallable, Category = "AvatarCoreTTS|Cache")
+	void WipeLastCachedFile();
+
 	// Manager has finished what he was doing
 	void OnTTSManagerFinished();