Files
UnrealEngineUWP/Engine/Source/Developer/DesktopPlatform/Private/DesktopPlatformBase.cpp
Ben Marsh bf6db427fe Fix generating project files for non-foreign projects.
[CL 2077834 by Ben Marsh in Main branch]
2014-05-19 13:08:08 -04:00

560 lines
17 KiB
C++

// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
#include "DesktopPlatformPrivatePCH.h"
#include "DesktopPlatformBase.h"
#include "UProjectInfo.h"
#include "EngineVersion.h"
#include "ModuleManager.h"
#define LOCTEXT_NAMESPACE "DesktopPlatform"
FDesktopPlatformBase::FDesktopPlatformBase()
{
LauncherInstallationTimestamp = FDateTime::MinValue();
}
FString FDesktopPlatformBase::GetCurrentEngineIdentifier()
{
if(CurrentEngineIdentifier.Len() == 0 && !GetEngineIdentifierFromRootDir(FPlatformMisc::RootDir(), CurrentEngineIdentifier))
{
CurrentEngineIdentifier.Empty();
}
return CurrentEngineIdentifier;
}
void FDesktopPlatformBase::EnumerateLauncherEngineInstallations(TMap<FString, FString> &OutInstallations)
{
// Cache the launcher install list if necessary
ReadLauncherInstallationList();
// We've got a list of launcher installations. Filter it by the engine installations.
for(TMap<FString, FString>::TConstIterator Iter(LauncherInstallationList); Iter; ++Iter)
{
FString AppName = Iter.Key();
if(AppName.RemoveFromStart(TEXT("UE_"), ESearchCase::CaseSensitive))
{
OutInstallations.Add(AppName, Iter.Value());
}
}
}
void FDesktopPlatformBase::EnumerateLauncherSampleInstallations(TArray<FString> &OutInstallations)
{
// Cache the launcher install list if necessary
ReadLauncherInstallationList();
// We've got a list of launcher installations. Filter it by the engine installations.
for(TMap<FString, FString>::TConstIterator Iter(LauncherInstallationList); Iter; ++Iter)
{
FString AppName = Iter.Key();
if(!AppName.StartsWith(TEXT("UE_"), ESearchCase::CaseSensitive))
{
OutInstallations.Add(Iter.Value());
}
}
}
bool FDesktopPlatformBase::GetEngineRootDirFromIdentifier(const FString &Identifier, FString &OutRootDir)
{
// Get all the installations
TMap<FString, FString> Installations;
EnumerateEngineInstallations(Installations);
// Find the one with the right identifier
for (TMap<FString, FString>::TConstIterator Iter(Installations); Iter; ++Iter)
{
if (Iter->Key == Identifier)
{
OutRootDir = Iter->Value;
return true;
}
}
return false;
}
bool FDesktopPlatformBase::GetEngineIdentifierFromRootDir(const FString &RootDir, FString &OutIdentifier)
{
// Get all the installations
TMap<FString, FString> Installations;
EnumerateEngineInstallations(Installations);
// Normalize the root directory
FString NormalizedRootDir = RootDir;
FPaths::NormalizeDirectoryName(NormalizedRootDir);
// Find the label for the given directory
for (TMap<FString, FString>::TConstIterator Iter(Installations); Iter; ++Iter)
{
if (Iter->Value == NormalizedRootDir)
{
OutIdentifier = Iter->Key;
return true;
}
}
// Otherwise just try to add it
return RegisterEngineInstallation(RootDir, OutIdentifier);
}
bool FDesktopPlatformBase::GetDefaultEngineIdentifier(FString &OutId)
{
TMap<FString, FString> Installations;
EnumerateEngineInstallations(Installations);
bool bRes = false;
if (Installations.Num() > 0)
{
// Default to the first install
TMap<FString, FString>::TConstIterator Iter(Installations);
OutId = Iter.Key();
++Iter;
// Try to find the most preferred install
for(; Iter; ++Iter)
{
if(IsPreferredEngineIdentifier(Iter.Key(), OutId))
{
OutId = Iter.Key();
}
}
}
return bRes;
}
bool FDesktopPlatformBase::GetDefaultEngineRootDir(FString &OutDirName)
{
FString Identifier;
return GetDefaultEngineIdentifier(Identifier) && GetEngineRootDirFromIdentifier(Identifier, OutDirName);
}
bool FDesktopPlatformBase::IsPreferredEngineIdentifier(const FString &Identifier, const FString &OtherIdentifier)
{
int32 Version = ParseReleaseVersion(Identifier);
int32 OtherVersion = ParseReleaseVersion(OtherIdentifier);
if(Version != OtherVersion)
{
return Version > OtherVersion;
}
else
{
return Identifier > OtherIdentifier;
}
}
bool FDesktopPlatformBase::IsStockEngineRelease(const FString &Identifier)
{
return Identifier.Len() > 0 && FChar::IsDigit(Identifier[0]);
}
bool FDesktopPlatformBase::IsSourceDistribution(const FString &EngineRootDir)
{
// Check for the existence of a SourceBuild.txt file
FString SourceBuildPath = EngineRootDir / TEXT("Engine/Build/SourceDistribution.txt");
return (IFileManager::Get().FileSize(*SourceBuildPath) >= 0);
}
bool FDesktopPlatformBase::IsPerforceBuild(const FString &EngineRootDir)
{
// Check for the existence of a SourceBuild.txt file
FString PerforceBuildPath = EngineRootDir / TEXT("Engine/Build/PerforceBuild.txt");
return (IFileManager::Get().FileSize(*PerforceBuildPath) >= 0);
}
bool FDesktopPlatformBase::IsValidRootDirectory(const FString &RootDir)
{
FString EngineBinariesDirName = RootDir / TEXT("Engine/Binaries");
FPaths::NormalizeDirectoryName(EngineBinariesDirName);
return IFileManager::Get().DirectoryExists(*EngineBinariesDirName);
}
bool FDesktopPlatformBase::SetEngineIdentifierForProject(const FString &ProjectFileName, const FString &InIdentifier)
{
// Load the project file
TSharedPtr<FJsonObject> ProjectFile = LoadProjectFile(ProjectFileName);
if (!ProjectFile.IsValid())
{
return false;
}
// Check if the project is a non-foreign project of the given engine installation. If so, blank the identifier
// string to allow portability between source control databases. GetEngineIdentifierForProject will translate
// the association back into a local identifier on other machines or syncs.
FString Identifier = InIdentifier;
if(Identifier.Len() > 0)
{
FString RootDir;
if(GetEngineRootDirFromIdentifier(Identifier, RootDir))
{
const FUProjectDictionary &Dictionary = GetCachedProjectDictionary(RootDir);
if(!Dictionary.IsForeignProject(ProjectFileName))
{
Identifier.Empty();
}
}
}
// Set the association on the project and save it
ProjectFile->SetStringField(TEXT("EngineAssociation"), Identifier);
return SaveProjectFile(ProjectFileName, ProjectFile);
}
bool FDesktopPlatformBase::GetEngineIdentifierForProject(const FString &ProjectFileName, FString &OutIdentifier)
{
// Load the project file
TSharedPtr<FJsonObject> ProjectFile = LoadProjectFile(ProjectFileName);
if(!ProjectFile.IsValid())
{
return false;
}
// Read the identifier from it
OutIdentifier = ProjectFile->GetStringField(TEXT("EngineAssociation"));
if(OutIdentifier.Len() > 0)
{
return true;
}
// Otherwise scan up through the directory hierarchy to find an installation
FString ParentDir = FPaths::GetPath(ProjectFileName);
FPaths::NormalizeDirectoryName(ParentDir);
// Keep going until we reach the root
int32 SeparatorIdx;
while(ParentDir.FindLastChar(TEXT('/'), SeparatorIdx))
{
ParentDir.RemoveAt(SeparatorIdx, ParentDir.Len() - SeparatorIdx);
if(IsValidRootDirectory(ParentDir) && GetEngineIdentifierFromRootDir(ParentDir, OutIdentifier))
{
return true;
}
}
// Otherwise check the engine version string for 4.0, in case this project existed before the engine association stuff went in
FString EngineVersionString = ProjectFile->GetStringField(TEXT("EngineVersion"));
if(EngineVersionString.Len() > 0)
{
FEngineVersion EngineVersion;
if(FEngineVersion::Parse(EngineVersionString, EngineVersion) && EngineVersion.IsPromotedBuild() && EngineVersion.ToString(EVersionComponent::Minor) == TEXT("4.0"))
{
OutIdentifier = TEXT("4.0");
return true;
}
}
return false;
}
bool FDesktopPlatformBase::CleanGameProject(const FString &ProjectDir, FFeedbackContext* Warn)
{
// Begin a task
Warn->BeginSlowTask(LOCTEXT("CleaningProject", "Removing stale build products..."), true);
// Enumerate all the files
TArray<FString> FileNames;
GetProjectBuildProducts(ProjectDir, FileNames);
// Remove all the files
for(int32 Idx = 0; Idx < FileNames.Num(); Idx++)
{
// Remove the file
if(!IFileManager::Get().Delete(*FileNames[Idx]))
{
Warn->Logf(ELogVerbosity::Error, TEXT("ERROR: Couldn't delete file '%s'"), *FileNames[Idx]);
return false;
}
// Try to remove an empty directory hierarchy
FString DirName = FPaths::GetPath(FileNames[Idx]);
for(;;)
{
TArray<FString> Contents;
IFileManager::Get().FindFiles(Contents, *(DirName / TEXT("*")), true, true);
if(Contents.Num() > 0) break;
if(!IFileManager::Get().DeleteDirectory(*DirName)) break;
int32 ParentIdx;
if(!DirName.FindLastChar(TEXT('/'), ParentIdx)) break;
DirName = DirName.Left(ParentIdx);
}
// Update the progress
Warn->UpdateProgress(Idx, FileNames.Num());
}
// End the task
Warn->EndSlowTask();
return true;
}
bool FDesktopPlatformBase::CompileGameProject(const FString& RootDir, const FString& ProjectFileName, FFeedbackContext* Warn)
{
// Get the target name
FString Arguments = FString::Printf(TEXT("%sEditor %s %s"), *FPaths::GetBaseFilename(ProjectFileName), FModuleManager::Get().GetUBTConfiguration(), FPlatformMisc::GetUBTPlatform());
// Append the project name if it's a foreign project
if ( !ProjectFileName.IsEmpty() )
{
FUProjectDictionary ProjectDictionary(RootDir);
if(ProjectDictionary.IsForeignProject(ProjectFileName))
{
Arguments += FString::Printf(TEXT(" -project=\"%s\""), *IFileManager::Get().ConvertToAbsolutePathForExternalAppForRead(*ProjectFileName));
}
}
// Append the Rocket flag
if(!IsSourceDistribution(RootDir))
{
Arguments += TEXT(" -rocket");
}
// Append any other options
Arguments += " -editorrecompile -progress";
// Run UBT
return RunUnrealBuildTool(LOCTEXT("CompilingProject", "Compiling project..."), RootDir, Arguments, Warn);
}
bool FDesktopPlatformBase::GenerateProjectFiles(const FString& RootDir, const FString& ProjectFileName, FFeedbackContext* Warn)
{
#if PLATFORM_MAC
FString Arguments = TEXT("-xcodeprojectfile");
#else
FString Arguments = TEXT("-projectfiles");
#endif
// Build the arguments to pass to UBT
if ( !ProjectFileName.IsEmpty() )
{
// Figure out whether it's a foreign project
const FUProjectDictionary &ProjectDictionary = GetCachedProjectDictionary(RootDir);
if(ProjectDictionary.IsForeignProject(ProjectFileName))
{
Arguments += FString::Printf(TEXT(" -project=\"%s\""), *IFileManager::Get().ConvertToAbsolutePathForExternalAppForRead(*ProjectFileName));
// Always include game source
Arguments += " -game";
// Determine whether or not to include engine source
if(IsSourceDistribution(RootDir))
{
Arguments += " -engine";
}
else
{
Arguments += " -rocket";
}
}
}
Arguments += " -progress";
// Run UnrealBuildTool
Warn->BeginSlowTask(LOCTEXT("GeneratingProjectFiles", "Generating project files..."), true, true);
bool bRes = RunUnrealBuildTool(LOCTEXT("GeneratingProjectFiles", "Generating project files..."), RootDir, Arguments, Warn);
Warn->EndSlowTask();
return bRes;
}
void FDesktopPlatformBase::ReadLauncherInstallationList()
{
FString InstalledListFile = FString(FPlatformProcess::ApplicationSettingsDir()) / TEXT("UnrealEngineLauncher/LauncherInstalled.dat");
// If the file does not exist, manually check for the 4.0 or 4.1 manifest
FDateTime NewListTimestamp = IFileManager::Get().GetTimeStamp(*InstalledListFile);
if(NewListTimestamp == FDateTime::MinValue())
{
if(LauncherInstallationList.Num() == 0)
{
CheckForLauncherEngineInstallation(TEXT("40003"), TEXT("UE_4.0"), LauncherInstallationList);
CheckForLauncherEngineInstallation(TEXT("1040003"), TEXT("UE_4.1"), LauncherInstallationList);
}
}
else if(NewListTimestamp != LauncherInstallationTimestamp)
{
// Read the installation manifest
FString InstalledText;
if (FFileHelper::LoadFileToString(InstalledText, *InstalledListFile))
{
// Deserialize the object
TSharedPtr< FJsonObject > RootObject;
TSharedRef< TJsonReader<> > Reader = TJsonReaderFactory<>::Create(InstalledText);
if (FJsonSerializer::Deserialize(Reader, RootObject) && RootObject.IsValid())
{
// Parse the list of installations
TArray< TSharedPtr<FJsonValue> > InstallationList = RootObject->GetArrayField(TEXT("InstallationList"));
for(int32 Idx = 0; Idx < InstallationList.Num(); Idx++)
{
TSharedPtr<FJsonObject> InstallationItem = InstallationList[Idx]->AsObject();
FString AppName = InstallationItem->GetStringField(TEXT("AppName"));
FString InstallLocation = InstallationItem->GetStringField(TEXT("InstallLocation"));
if(AppName.Len() > 0 && InstallLocation.Len() > 0)
{
FPaths::NormalizeDirectoryName(InstallLocation);
LauncherInstallationList.Add(AppName, InstallLocation);
}
}
}
LauncherInstallationTimestamp = NewListTimestamp;
}
}
}
void FDesktopPlatformBase::CheckForLauncherEngineInstallation(const FString &AppId, const FString &Identifier, TMap<FString, FString> &OutInstallations)
{
FString ManifestText;
FString ManifestFileName = FString(FPlatformProcess::ApplicationSettingsDir()) / FString::Printf(TEXT("UnrealEngineLauncher/Data/Manifests/%s.manifest"), *AppId);
if (FFileHelper::LoadFileToString(ManifestText, *ManifestFileName))
{
TSharedPtr< FJsonObject > RootObject;
TSharedRef< TJsonReader<> > Reader = TJsonReaderFactory<>::Create(ManifestText);
if (FJsonSerializer::Deserialize(Reader, RootObject) && RootObject.IsValid())
{
TSharedPtr<FJsonObject> CustomFieldsObject = RootObject->GetObjectField(TEXT("CustomFields"));
if (CustomFieldsObject.IsValid())
{
FString InstallLocation = CustomFieldsObject->GetStringField("InstallLocation");
if (InstallLocation.Len() > 0)
{
OutInstallations.Add(Identifier, InstallLocation);
}
}
}
}
}
int32 FDesktopPlatformBase::ParseReleaseVersion(const FString &Version)
{
TCHAR *End;
uint64 Major = FCString::Strtoui64(*Version, &End, 10);
if (Major >= MAX_int16 || *(End++) != '.')
{
return INDEX_NONE;
}
uint64 Minor = FCString::Strtoui64(End, &End, 10);
if (Minor >= MAX_int16 || *End != 0)
{
return INDEX_NONE;
}
return (Major << 16) + Minor;
}
TSharedPtr<FJsonObject> FDesktopPlatformBase::LoadProjectFile(const FString &FileName)
{
FString FileContents;
if (!FFileHelper::LoadFileToString(FileContents, *FileName))
{
return TSharedPtr<FJsonObject>(NULL);
}
TSharedPtr< FJsonObject > JsonObject;
TSharedRef< TJsonReader<> > Reader = TJsonReaderFactory<>::Create(FileContents);
if (!FJsonSerializer::Deserialize(Reader, JsonObject) || !JsonObject.IsValid())
{
return TSharedPtr<FJsonObject>(NULL);
}
return JsonObject;
}
bool FDesktopPlatformBase::SaveProjectFile(const FString &FileName, TSharedPtr<FJsonObject> Object)
{
FString FileContents;
TSharedRef< TJsonWriter<> > Writer = TJsonWriterFactory<>::Create(&FileContents);
if (!FJsonSerializer::Serialize(Object.ToSharedRef(), Writer))
{
return false;
}
if (!FFileHelper::SaveStringToFile(FileContents, *FileName))
{
return false;
}
return true;
}
const FUProjectDictionary &FDesktopPlatformBase::GetCachedProjectDictionary(const FString& RootDir)
{
FString NormalizedRootDir = RootDir;
FPaths::NormalizeDirectoryName(NormalizedRootDir);
FUProjectDictionary *Dictionary = CachedProjectDictionaries.Find(NormalizedRootDir);
if(Dictionary == NULL)
{
Dictionary = &CachedProjectDictionaries.Add(RootDir, FUProjectDictionary(RootDir));
}
return *Dictionary;
}
void FDesktopPlatformBase::GetProjectBuildProducts(const FString& ProjectDir, TArray<FString> &OutFileNames)
{
FString NormalizedProjectDir = ProjectDir;
FPaths::NormalizeDirectoryName(NormalizedProjectDir);
// Find all the build roots
TArray<FString> BuildRootDirectories;
BuildRootDirectories.Add(NormalizedProjectDir);
// Add all the plugin directories
TArray<FString> PluginFileNames;
IFileManager::Get().FindFilesRecursive(PluginFileNames, *(NormalizedProjectDir / TEXT("Plugins")), TEXT("*.uplugin"), true, false);
for(int32 Idx = 0; Idx < PluginFileNames.Num(); Idx++)
{
BuildRootDirectories.Add(FPaths::GetPath(PluginFileNames[Idx]));
}
// Find all the target filenames
TArray<FString> TargetNames;
IFileManager::Get().FindFilesRecursive(TargetNames, *(NormalizedProjectDir / TEXT("Source")), TEXT("*.Target.cs"), true, false, false);
for(int32 Idx = 0; Idx < TargetNames.Num(); Idx++)
{
TargetNames[Idx] = FPaths::GetCleanFilename(TargetNames[Idx]);
TargetNames[Idx].RemoveFromEnd(TEXT(".Target.cs"));
}
TargetNames.Add(TEXT("UE4Editor"));
// Add the binaries for all of the build roots
for(int32 RootIdx = 0; RootIdx < BuildRootDirectories.Num(); RootIdx++)
{
const FString &BuildRootDirectory = BuildRootDirectories[RootIdx];
// Find all the binaries under this build root
TArray<FString> Binaries;
IFileManager::Get().FindFilesRecursive(Binaries, *(BuildRootDirectory / TEXT("Binaries")), TEXT("*"), true, false);
// Remove all the binaries starting with a target name
for(int32 BinaryIdx = 0; BinaryIdx < Binaries.Num(); BinaryIdx++)
{
FString BinaryName = FPaths::GetCleanFilename(Binaries[BinaryIdx]);
for(int32 TargetIdx = 0; TargetIdx < TargetNames.Num(); TargetIdx++)
{
if(BinaryName.StartsWith(TargetNames[TargetIdx]))
{
const TCHAR *End = *BinaryName + TargetNames[TargetIdx].Len();
if(*End == 0 || *End == TEXT('.') || *End == TEXT('-'))
{
OutFileNames.Add(Binaries[BinaryIdx]);
break;
}
}
}
}
}
// Add the intermediate folders for all of the build roots
for(int32 RootIdx = 0; RootIdx < BuildRootDirectories.Num(); RootIdx++)
{
IFileManager::Get().FindFilesRecursive(OutFileNames, *(BuildRootDirectories[RootIdx] / TEXT("Intermediate")), TEXT("*"), true, false, false);
}
}
#undef LOCTEXT_NAMESPACE