fixed issue

hwanyoung2/Plugins/FMODStudio/Source/FMODStudioEditor/Private/FMODBankUpdateNotifier.cpp

@@ -0,0 +1,96 @@
+// Copyright (c), Firelight Technologies Pty, Ltd. 2012-2023.
+
+#include "FMODBankUpdateNotifier.h"
+#include "FMODSettings.h"
+#include "HAL/FileManager.h"
+
+#include "FMODStudioEditorPrivatePCH.h"
+
+FFMODBankUpdateNotifier::FFMODBankUpdateNotifier()
+    : bUpdateEnabled(true)
+    , NextRefreshTime(FDateTime::MinValue())
+    , FileTime(FDateTime::MinValue())
+    , Countdown(0.0f)
+{
+}
+
+void FFMODBankUpdateNotifier::SetFilePath(const FString &InPath)
+{
+    FilePath = InPath;
+    NextRefreshTime = FDateTime::MinValue();
+    FileTime = MostRecentFileTime();
+}
+
+void FFMODBankUpdateNotifier::Update(float DeltaTime)
+{
+    if (bUpdateEnabled)
+    {
+        FDateTime CurTime = FDateTime::UtcNow();
+
+        if (CurTime >= NextRefreshTime)
+        {
+            Refresh();
+            NextRefreshTime = CurTime + FTimespan(0, 0, 1);
+        }
+
+        if (Countdown > 0.0f)
+        {
+            Countdown -= DeltaTime;
+
+            if (Countdown <= 0.0f)
+            {
+                BanksUpdatedEvent.Broadcast();
+            }
+        }
+    }
+}
+
+void FFMODBankUpdateNotifier::EnableUpdate(bool bEnable)
+{
+    bUpdateEnabled = bEnable;
+
+    if (bEnable)
+    {
+        // Refreshing right after update is enabled is not desirable
+        NextRefreshTime = FDateTime::UtcNow() + FTimespan(0, 0, 1);
+
+        // Cancel any pending countdown
+        Countdown = 0.0f;
+    }
+}
+
+void FFMODBankUpdateNotifier::Refresh()
+{
+    if (!FilePath.IsEmpty())
+    {
+        FDateTime NewFileTime = MostRecentFileTime();
+
+        if (NewFileTime != FileTime)
+        {
+            const UFMODSettings &Settings = *GetDefault<UFMODSettings>();
+            Countdown = (float)Settings.ReloadBanksDelay;
+            FileTime = NewFileTime;
+        }
+    }
+}
+
+FDateTime FFMODBankUpdateNotifier::MostRecentFileTime()
+{
+    // Get the most recent modified timestamp of all the bank files in the directory we are watching.
+    FDateTime MostRecent = FDateTime::MinValue();
+
+    TArray<FString> BankPaths;
+    IFileManager::Get().FindFilesRecursive(BankPaths, *FilePath, TEXT("*.bank"), true, false, false);
+
+    for (const auto& Path : BankPaths)
+    {
+        FDateTime ModifiedTime = IFileManager::Get().GetTimeStamp(*Path);
+
+        if (ModifiedTime > MostRecent)
+        {
+            MostRecent = ModifiedTime;
+        }
+    }
+
+    return MostRecent;
+}