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UE4插件简单正确加载插件的方法

#include "Interfaces/IPluginManager.h"
#include "HAL/FileManager.h"

bool FSURAPluginRuntimeModule::LoadHeXrDependency( )
{
	// This code will execute after your module is loaded into memory; the exact timing is specified in the .uplugin file per-module
	// Get the base directory of this plugin
	FString BaseDir = IPluginManager::Get( ).FindPlugin( "SURAPlugin" )->GetBaseDir( );

	// Add on the relative location of the third party dll and load it
	FString DllFolder(FPaths::Combine(*BaseDir, TEXT("Source/ThirdParty/HeXrTransceiverLib/dll")));
	FPlatformProcess::AddDllDirectory(*DllFolder);

	IFileManager::Get().IterateDirectoryRecursively(*DllFolder, [&](const TCHAR* Node, bool IsDir) -> bool
	{
		if (IsDir)
		{
			FPlatformProcess::AddDllDirectory(Node);
		}
		return true;
	});

	FString LibraryPath;
#if PLATFORM_WINDOWS
	LibraryPath = FPaths::Combine(*DllFolder, TEXT("HeXrTransceiver.dll"));
#endif // PLATFORM_WINDOWS

	HeXr_LIB_HANDLE = !LibraryPath.IsEmpty( ) ? FPlatformProcess::GetDllHandle( *LibraryPath ) : nullptr;

	return HeXr_LIB_HANDLE != nullptr;
}