Downgrading to Unreal 5.5.4
This commit is contained in:
165
EnginePatches/EnginePatch-5.5.4
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165
EnginePatches/EnginePatch-5.5.4
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@@ -0,0 +1,165 @@
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--- Engine/Plugins/Developer/VisualStudioCodeSourceCodeAccess/Source/VisualStudioCodeSourceCodeAccess/Private/VisualStudioCodeSourceCodeAccessor.cpp.orig 2026-04-12 22:58:34.075320964 -0400
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+++ Engine/Plugins/Developer/VisualStudioCodeSourceCodeAccess/Source/VisualStudioCodeSourceCodeAccess/Private/VisualStudioCodeSourceCodeAccessor.cpp 2026-04-12 23:03:40.139226303 -0400
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@@ -149,7 +149,7 @@
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FString SolutionDir = GetSolutionPath();
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TArray<FString> Args;
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Args.Add(MakePath(SolutionDir));
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- Args.Add(TEXT("-g ") + MakePath(FullPath) + FString::Printf(TEXT(":%d:%d"), LineNumber, ColumnNumber));
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+ Args.Add(TEXT("-g ") + MakePath(FullPath + FString::Printf(TEXT(":%d:%d"), LineNumber, ColumnNumber)));
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return Launch(Args);
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}
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--- Engine/Source/Editor/UnrealEd/Private/SourceCodeNavigation.cpp.orig 2026-04-12 22:58:34.169323705 -0400
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+++ Engine/Source/Editor/UnrealEd/Private/SourceCodeNavigation.cpp 2026-04-12 23:04:02.208867909 -0400
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@@ -463,7 +463,7 @@
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ISourceCodeAccessModule& SourceCodeAccessModule = FModuleManager::LoadModuleChecked<ISourceCodeAccessModule>("SourceCodeAccess");
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ISourceCodeAccessor& SourceCodeAccessor = SourceCodeAccessModule.GetAccessor();
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-#if PLATFORM_WINDOWS
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+#if PLATFORM_WINDOWS || PLATFORM_LINUX
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FString SourceFileName;
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uint32 SourceLineNumber = 1;
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uint32 SourceColumnNumber = 0;
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@@ -622,8 +622,8 @@
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}
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UE_LOG(LogSelectionDetails, Warning, TEXT("NavigateToFunctionSource: Unable to look up symbol: %s in module:%s"), *FunctionSymbolName, *FunctionModuleName);
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-
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-#endif // PLATFORM_WINDOWS
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+
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+#endif // PLATFORM_WINDOWS || PLATFORM_LINUX
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}
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--- Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxPlatformApplicationMisc.cpp.orig 2026-04-12 22:58:34.254326184 -0400
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+++ Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxPlatformApplicationMisc.cpp 2025-11-10 23:34:18.481701126 -0500
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@@ -299,6 +299,9 @@
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SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_CURSOR_VISIBLE, "1"); // When relative mouse mode is active, don't hide cursor.
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SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "0"); // Don't warp the cursor to the center in relative mouse mode.
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+ // Unreal does its own dynamic capturing, we don't need SDL to do it.
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+ SDL_SetHint(SDL_HINT_MOUSE_AUTO_CAPTURE, "0");
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+
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// If we're rendering offscreen, use the "dummy" SDL video driver
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if (FParse::Param(FCommandLine::Get(), TEXT("RenderOffScreen")) && !getenv("SDL_VIDEODRIVER"))
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{
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--- Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxWindow.cpp.orig 2026-04-12 22:58:34.538334467 -0400
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+++ Engine/Source/Runtime/ApplicationCore/Private/Linux/LinuxWindow.cpp 2026-04-12 22:48:15.848291098 -0400
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@@ -235,7 +235,26 @@
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// The SDL window doesn't need to be reshaped.
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// the size of the window you input is the sizeof the client.
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+
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+ // Under XWayland, non-override-redirect popup windows don't receive input
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+ // events from the compositor. SDL already sets override_redirect for
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+ // tooltips and popup menus, but other borderless child windows (like
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+ // notification popups and dialogs) also need it. We temporarily enable
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+ // the SDL hint to force override_redirect for these windows.
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+ bool bForceOverrideRedirect = !Definition->HasOSWindowBorder
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+ && InParent.IsValid()
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+ && !(WindowStyle & (SDL_WINDOW_TOOLTIP | SDL_WINDOW_POPUP_MENU));
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+ if (bForceOverrideRedirect)
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+ {
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+ SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "1");
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+ }
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+
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HWnd = SDL_CreateWindow( TCHAR_TO_ANSI( *Definition->Title ), X, Y, ClientWidth, ClientHeight, WindowStyle );
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+
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+ if (bForceOverrideRedirect)
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+ {
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+ SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "0");
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+ }
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// produce a helpful message for common driver errors
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if (HWnd == nullptr)
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{
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--- Engine/Source/Runtime/Core/Private/Unix/UnixPlatformStackWalk.cpp.orig 2026-04-12 22:58:34.349328955 -0400
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+++ Engine/Source/Runtime/Core/Private/Unix/UnixPlatformStackWalk.cpp 2026-04-12 23:05:56.395187515 -0400
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@@ -15,6 +15,7 @@
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#include "HAL/ExceptionHandling.h"
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#include "HAL/PlatformProcess.h"
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#include "HAL/PlatformTime.h"
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+#include "Modules/ModuleManager.h"
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#include "AutoRTFM/AutoRTFM.h"
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#include <link.h>
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@@ -1060,3 +1061,69 @@
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}
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ReportLock.Unlock();
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}
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+
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+bool FUnixPlatformStackWalk::GetFunctionDefinitionLocation(const FString& FunctionSymbolName, const FString& FunctionModuleName, FString& OutPathname, uint32& OutLineNumber, uint32& OutColumnNumber)
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+{
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+ // Find the .so path for this module.
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+ FString ModulePath;
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+ TArray<FModuleStatus> AllModules;
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+ FModuleManager::Get().QueryModules(AllModules);
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+ for (const FModuleStatus& Status : AllModules)
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+ {
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+ if (FPaths::GetBaseFilename(Status.FilePath) == FunctionModuleName)
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+ {
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+ ModulePath = Status.FilePath;
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+ break;
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+ }
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+ }
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+ if (ModulePath.IsEmpty())
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+ {
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+ return false;
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+ }
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+
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+ // Debug symbols are in a separate .debug file alongside the .so.
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+ FString DebugPath = FPaths::ChangeExtension(ModulePath, TEXT("debug"));
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+ if (!FPaths::FileExists(DebugPath))
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+ {
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+ return false;
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+ }
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+
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+ // Use lldb to look up the source file and line number.
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+ // Run: lldb -b -o "image lookup -v -n ClassName::FuncName" <debug_file>
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+ FString LldbParams = FString::Printf(TEXT("-b -o \"image lookup -v -n %s\" \"%s\""), *FunctionSymbolName, *DebugPath);
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+ int32 ReturnCode = 0;
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+ FString AllOutput;
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+ FString Errors;
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+ FPlatformProcess::ExecProcess(TEXT("/usr/bin/lldb"), *LldbParams, &ReturnCode, &AllOutput, &Errors);
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+ if (ReturnCode != 0)
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+ {
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+ return false;
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+ }
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+
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+ // Parse the LineEntry from lldb verbose output.
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+ // Format: "LineEntry: [0x...-0x...): /path/to/file.cpp:132"
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+ TArray<FString> Lines;
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+ AllOutput.ParseIntoArrayLines(Lines);
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+ for (const FString& Line : Lines)
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+ {
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+ FString Trimmed = Line.TrimStartAndEnd();
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+ if (!Trimmed.StartsWith(TEXT("LineEntry:")))
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+ continue;
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+
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+ int32 ParenIndex = Trimmed.Find(TEXT("): "));
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+ if (ParenIndex == INDEX_NONE)
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+ continue;
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+ FString FileAndLine = Trimmed.Mid(ParenIndex + 3);
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+
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+ int32 ColonIndex;
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+ if (!FileAndLine.FindLastChar(TCHAR(':'), ColonIndex))
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+ continue;
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+
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+ OutPathname = FileAndLine.Left(ColonIndex);
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+ OutLineNumber = FCString::Atoi(*FileAndLine.Mid(ColonIndex + 1));
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+ OutColumnNumber = 0;
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+ return true;
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+ }
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+
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+ return false;
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+}
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--- Engine/Source/Runtime/Core/Public/Unix/UnixPlatformStackWalk.h.orig 2026-04-12 22:58:34.451331930 -0400
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+++ Engine/Source/Runtime/Core/Public/Unix/UnixPlatformStackWalk.h 2026-04-12 23:06:10.273590986 -0400
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@@ -24,6 +24,8 @@
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static CORE_API void ThreadStackWalkAndDump(ANSICHAR* HumanReadableString, SIZE_T HumanReadableStringSize, int32 IgnoreCount, uint32 ThreadId);
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static CORE_API int32 GetProcessModuleCount();
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static CORE_API int32 GetProcessModuleSignatures(FStackWalkModuleInfo *ModuleSignatures, const int32 ModuleSignaturesSize);
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+
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+ static CORE_API bool GetFunctionDefinitionLocation(const FString& FunctionSymbolName, const FString& FunctionModuleName, FString& OutPathname, uint32& OutLineNumber, uint32& OutColumnNumber);
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};
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typedef FUnixPlatformStackWalk FPlatformStackWalk;
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BIN
UnrealEngine-5.5.4-release.zip
LFS
Normal file
BIN
UnrealEngine-5.5.4-release.zip
LFS
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Binary file not shown.
BIN
UnrealEngine-5.7.4-release.zip
LFS
BIN
UnrealEngine-5.7.4-release.zip
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Binary file not shown.
5
build.py
5
build.py
@@ -221,7 +221,10 @@ def unzip_unreal_engine_and_apply_patch():
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print(f"Unzipping {zipfn}...")
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print(f"Unzipping {zipfn}...")
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with JZipFile(zipfn) as zf:
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with JZipFile(zipfn) as zf:
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zf.extractall(INTEGRATION)
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zf.extractall(INTEGRATION)
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patchfile = f"{INTEGRATION}/EnginePatches/EnginePatch"
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version = zips[0].stem.split("-")[1]
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patchfile = f"{INTEGRATION}/EnginePatches/EnginePatch-{version}"
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if not Path(patchfile).is_file():
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sys.exit(f"Cannot find engine patch: {patchfile}")
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shell(extracted, f"patch -p0 < {patchfile}")
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shell(extracted, f"patch -p0 < {patchfile}")
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Path(extracted).rename(UNREALENGINE)
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Path(extracted).rename(UNREALENGINE)
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Path(touchfile).touch()
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Path(touchfile).touch()
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