void FConfigPropertyHelperDetails::OnPropertyValueChanged(UObject* Object, FPropertyChangedEvent& PropertyChangedEvent)
{
UClass* OwnerClass = ConfigEditorCopyOfEditProperty->GetOwnerClass();
if (Object->IsA(OwnerClass))
{
const FString* FileName = ConfigFileAndPropertySourcePairings.FindKey(Object);
if (FileName != nullptr)
{
const FString& ConfigIniName = *FileName;
// We should set this up to work with the UObject Config system, its difficult as the outer object isnt of the same type
// create a sandbox FConfigCache
FConfigCacheIni Config(EConfigCacheType::Temporary);
// add an empty file to the config so it doesn't read in the original file (see FConfigCacheIni.Find())
FConfigFile& NewFile = Config.Add(ConfigIniName, FConfigFile());
// save the object properties to this file
OriginalProperty->GetOwnerClass()->GetDefaultObject()->SaveConfig(CPF_Config, *ConfigIniName, &Config);
// Take the saved section for this object and have the config system process and write out the one property we care about.
ensureMsgf(Config.Num() == 1, TEXT("UObject::UpdateDefaultConfig() caused more files than expected in the Sandbox config cache!"));
TArray<FString> Keys;
NewFile.GetKeys(Keys);
const FString SectionName = Keys[0];
const FString PropertyName = ConfigEditorCopyOfEditProperty->GetName();
FString Value;
ConfigEditorCopyOfEditProperty->ExportText_InContainer(0, Value, Object, Object, Object, 0);
NewFile.SetString(*SectionName, *PropertyName, *Value);
GConfig->SetString(*SectionName, *PropertyName, *Value, ConfigIniName);
NewFile.UpdateSinglePropertyInSection(*ConfigIniName, *PropertyName, *SectionName);
// reload the file, so that it refresh the cache internally.
FString FinalIniFileName;
GConfig->LoadGlobalIniFile(FinalIniFileName, *OriginalProperty->GetOwnerClass()->ClassConfigName.ToString(), NULL, true);
// Update the CDO, as this change might have had an impact on it's value.
OriginalProperty->GetOwnerClass()->GetDefaultObject()->ReloadConfig();
}
}
}
bool FPluginManager::ConfigureEnabledPlugins()
{
if(!bHaveConfiguredEnabledPlugins)
{
// Don't need to run this again
bHaveConfiguredEnabledPlugins = true;
// If a current project is set, check that we know about any plugin that's explicitly enabled
const FProjectDescriptor *Project = IProjectManager::Get().GetCurrentProject();
const bool bHasProjectFile = Project != nullptr;
// Get all the enabled plugin names
TArray< FString > EnabledPluginNames;
#if IS_PROGRAM
// Programs can also define the list of enabled plugins in ini
GConfig->GetArray(TEXT("Plugins"), TEXT("ProgramEnabledPlugins"), EnabledPluginNames, GEngineIni);
#endif
#if !IS_PROGRAM || HACK_HEADER_GENERATOR
if (!FParse::Param(FCommandLine::Get(), TEXT("NoEnginePlugins")))
{
FProjectManager::Get().GetEnabledPlugins(EnabledPluginNames);
}
#endif
// Build a set from the array
TSet< FString > AllEnabledPlugins;
AllEnabledPlugins.Append(MoveTemp(EnabledPluginNames));
// Enable all the plugins by name
for (const TSharedRef< FPlugin > Plugin : AllPlugins)
{
if (AllEnabledPlugins.Contains(Plugin->Name))
{
Plugin->bEnabled = (!IS_PROGRAM || !bHasProjectFile) || IsPluginSupportedByCurrentTarget(Plugin);
if (!Plugin->bEnabled)
{
AllEnabledPlugins.Remove(Plugin->Name);
}
}
}
if (bHasProjectFile)
{
// Take a copy of the Project's plugins as we may remove some
TArray<FPluginReferenceDescriptor> PluginsCopy = Project->Plugins;
for(const FPluginReferenceDescriptor& Plugin: PluginsCopy)
{
if ((Plugin.bEnabled && !FindPluginInstance(Plugin.Name).IsValid()) &&
(!IS_PROGRAM || AllEnabledPlugins.Contains(Plugin.Name))) // skip if this is a program and the plugin is not enabled
{
FText Caption(LOCTEXT("PluginMissingCaption", "Plugin missing"));
if(Plugin.MarketplaceURL.Len() > 0)
{
if(FMessageDialog::Open(EAppMsgType::YesNo, FText::Format(LOCTEXT("PluginMissingError", "This project requires the {0} plugin.\n\nWould you like to download it from the the Marketplace?"), FText::FromString(Plugin.Name)), &Caption) == EAppReturnType::Yes)
{
FString Error;
FPlatformProcess::LaunchURL(*Plugin.MarketplaceURL, nullptr, &Error);
if(Error.Len() > 0) FMessageDialog::Open(EAppMsgType::Ok, FText::FromString(Error));
return false;
}
}
else
{
FString Description = (Plugin.Description.Len() > 0) ? FString::Printf(TEXT("\n\n%s"), *Plugin.Description) : FString();
FMessageDialog::Open(EAppMsgType::Ok, FText::Format(LOCTEXT("PluginRequiredError", "This project requires the {0} plugin. {1}"), FText::FromString(Plugin.Name), FText::FromString(Description)), &Caption);
if (FMessageDialog::Open(EAppMsgType::YesNo, FText::Format(LOCTEXT("PluginMissingDisable", "Would you like to disable {0}? You will no longer be able to open any assets created using it."), FText::FromString(Plugin.Name)), &Caption) == EAppReturnType::No)
{
return false;
}
FText FailReason;
if (!IProjectManager::Get().SetPluginEnabled(*Plugin.Name, false, FailReason))
{
FMessageDialog::Open(EAppMsgType::Ok, FailReason);
}
}
}
}
}
// If we made it here, we have all the required plugins
bHaveAllRequiredPlugins = true;
for(const TSharedRef<FPlugin>& Plugin: AllPlugins)
{
if (Plugin->bEnabled)
{
// Add the plugin binaries directory
const FString PluginBinariesPath = FPaths::Combine(*FPaths::GetPath(Plugin->FileName), TEXT("Binaries"), FPlatformProcess::GetBinariesSubdirectory());
FModuleManager::Get().AddBinariesDirectory(*PluginBinariesPath, Plugin->LoadedFrom == EPluginLoadedFrom::GameProject);
#if !IS_MONOLITHIC
// Only check this when in a non-monolithic build where modules could be in separate binaries
if (Project != NULL && Project->Modules.Num() == 0)
{
// Content only project - check whether any plugins are incompatible and offer to disable instead of trying to build them later
TArray<FString> IncompatibleFiles;
if (!FModuleDescriptor::CheckModuleCompatibility(Plugin->Descriptor.Modules, Plugin->LoadedFrom == EPluginLoadedFrom::GameProject, IncompatibleFiles))
{
// Ask whether to disable plugin if incompatible
FText Caption(LOCTEXT("IncompatiblePluginCaption", "Plugin missing or incompatible"));
if (FMessageDialog::Open(EAppMsgType::YesNo, FText::Format(LOCTEXT("IncompatiblePluginText", "Missing or incompatible modules in {0} plugin - would you like to disable it? You will no longer be able to open any assets created using it."), FText::FromString(Plugin->Name)), &Caption) == EAppReturnType::No)
{
return false;
}
FText FailReason;
if (!IProjectManager::Get().SetPluginEnabled(*Plugin->Name, false, FailReason))
{
FMessageDialog::Open(EAppMsgType::Ok, FailReason);
}
}
}
#endif //!IS_MONOLITHIC
// Build the list of content folders
if (Plugin->Descriptor.bCanContainContent)
{
if (auto EngineConfigFile = GConfig->Find(GEngineIni, false))
{
if (auto CoreSystemSection = EngineConfigFile->Find(TEXT("Core.System")))
{
CoreSystemSection->AddUnique("Paths", Plugin->GetContentDir());
}
}
}
// Load Default<PluginName>.ini config file if it exists
FString PluginConfigDir = FPaths::GetPath(Plugin->FileName) / TEXT("Config/");
FConfigFile PluginConfig;
FConfigCacheIni::LoadExternalIniFile(PluginConfig, *Plugin->Name, *FPaths::EngineConfigDir(), *PluginConfigDir, true);
if (PluginConfig.Num() > 0)
{
FString PlaformName = FPlatformProperties::PlatformName();
FString PluginConfigFilename = FString::Printf(TEXT("%s%s/%s.ini"), *FPaths::GeneratedConfigDir(), *PlaformName, *Plugin->Name);
FConfigFile& NewConfigFile = GConfig->Add(PluginConfigFilename, FConfigFile());
NewConfigFile.AddMissingProperties(PluginConfig);
NewConfigFile.Write(PluginConfigFilename);
}
}
}
// Mount all the plugin content folders and pak files
TArray<FString> FoundPaks;
FPakFileSearchVisitor PakVisitor(FoundPaks);
IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
for(TSharedRef<IPlugin> Plugin: GetEnabledPlugins())
{
if (Plugin->CanContainContent() && ensure(RegisterMountPointDelegate.IsBound()))
{
FString ContentDir = Plugin->GetContentDir();
RegisterMountPointDelegate.Execute(Plugin->GetMountedAssetPath(), ContentDir);
// Pak files are loaded from <PluginName>/Content/Paks/<PlatformName>
if (FPlatformProperties::RequiresCookedData())
{
FoundPaks.Reset();
PlatformFile.IterateDirectoryRecursively(*(ContentDir / TEXT("Paks") / FPlatformProperties::PlatformName()), PakVisitor);
for (const auto& PakPath : FoundPaks)
{
if (FCoreDelegates::OnMountPak.IsBound())
{
FCoreDelegates::OnMountPak.Execute(PakPath, 0);
}
}
}
}
}
}
return bHaveAllRequiredPlugins;
}
