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eebccaaa17
#jira UE-209076 #rb jason.walter #prelfight 660341070f0b188ba61d2aec [CL 32527351 by jeremie roy in 5.4 branch]
97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "LiveLinkHubRun.h"
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#include "Misc/App.h"
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#include "Misc/PackageName.h"
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#include "HAL/FileManager.h"
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#include "HAL/PlatformApplicationMisc.h"
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#include "HAL/PlatformFileManager.h"
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#include "Interfaces/IPluginManager.h"
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#include "LaunchEngineLoop.h"
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#include "Misc/CommandLine.h"
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#ifndef WITH_ASSET_LOADING_AUDIT
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#define WITH_ASSET_LOADING_AUDIT 0
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#endif
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#ifndef COOKED_EDITOR_DISTRIBUTION
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#define COOKED_EDITOR_DISTRIBUTION 0
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#endif
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DEFINE_LOG_CATEGORY_STATIC(LogLiveLinkHub, Log, All);
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int32 RunLiveLinkHub(const TCHAR* CommandLine)
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{
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FTaskTagScope Scope(ETaskTag::EGameThread);
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#if WITH_ASSET_LOADING_AUDIT
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FCoreDelegates::OnSyncLoadPackage.AddLambda([](const FString& PackageName)
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{
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UE_LOG(LogLiveLinkHub, Display, TEXT("Audit: Loaded %s"), *PackageName);
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});
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#endif
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// Must match the path in LiveLinkHubStaging.cs / StageLiveLinkHub.automation.cs
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const FString RemappedFolder = FPaths::EngineDir() / TEXT("Programs/LiveLinkHub/Staged");
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const FString RemappedConfigs = RemappedFolder / TEXT("Config");
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const FString RemappedContent = RemappedFolder / TEXT("Content");
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const FString RemappedPlugins = RemappedFolder / TEXT("Plugins");
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// Needs to be initialized early for mount points / plugin search paths.
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FCommandLine::Set(CommandLine);
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#if COOKED_EDITOR_DISTRIBUTION
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/** If LLH runs in a cooked editor distribution, then we must mount our RemappedEngineFiles folder to the /Engine/ folder in order to
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* have access to the uncooked content necessary for starting LiveLinkHub.
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*/
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if (!IFileManager::Get().DirectoryExists(*RemappedContent))
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{
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IFileManager::Get().MakeDirectory(*RemappedContent, true);
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}
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if (!IFileManager::Get().DirectoryExists(*RemappedPlugins))
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{
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IFileManager::Get().MakeDirectory(*RemappedPlugins, true);
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}
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/** Only copy the configs if they aren't present to prevent overwriting them. */
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const FString TargetConfigPath = FPaths::EngineDir() / TEXT("Config/Base.ini");
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if (!IFileManager::Get().FileExists(*TargetConfigPath) && IFileManager::Get().DirectoryExists(*RemappedConfigs))
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{
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FPlatformFileManager::Get().GetPlatformFile().CopyDirectoryTree(*(FPaths::EngineDir() / TEXT("Config")), *RemappedConfigs, false);
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}
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// Map the engine's content to LiveLinkHub's content folder
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FPackageName::RegisterMountPoint(TEXT("/Engine/"), RemappedFolder / TEXT("Content"));
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FPackageName::RegisterMountPoint(TEXT("/Engine/Plugins/"), RemappedFolder / TEXT("Plugins"));
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// This is needed to ensure that content generated by the hub will be discoverable (ie. LiveLink recordings)
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const FString GameContentPath = FPaths::Combine(FPlatformProcess::UserSettingsDir(), *FApp::GetEpicProductIdentifier(), TEXT("LiveLinkHub"), TEXT("Content"));
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FPackageName::RegisterMountPoint(TEXT("/Game/"), GameContentPath);
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#endif
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// Needed to avoid assertion in scoped slow task
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GWarn = FPlatformApplicationMisc::GetFeedbackContext();
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// Add staged plugins to the search path so LLH can find the manifest and content.
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IPluginManager::Get().AddPluginSearchPath(RemappedPlugins, /*bShouldRefresh*/ true);
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// Disable this when going through PreInit to prevent the console window from appearing.
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GIsSilent = true;
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// Start up the main loop, adding some extra command line arguments:
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const int32 Result = GEngineLoop.PreInit(*FString::Printf(TEXT("%s %s"), CommandLine, TEXT("LiveLinkHubCommandlet -Messaging -DDC=NoShared -NoShaderCompile")));
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if (Result != 0)
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{
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UE_LOG(LogLiveLinkHub, Error, TEXT("EngineLoop PreInit failed!"));
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return Result;
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}
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GEngineLoop.Exit();
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return Result;
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} |