Verify existence of assets from BSA archives on game load

source/Enderal DLL/src/Main.cpp

@@ -76,11 +76,19 @@ namespace {
 						exit(EXIT_FAILURE);
 					}
 				}
-				const auto vm = RE::BSScript::Internal::VirtualMachine::GetSingleton();
-				if (!vm->TypeIsValid("_00e_questfunctions")) {
+
+				bool bScripts = RE::BSScript::Internal::VirtualMachine::GetSingleton()->TypeIsValid("PRKF__00E_CraftQuestPotionPe_0300146D");
+				bool bSounds = RE::BSResourceNiBinaryStream("sound/fx/enderal/laughingchild.wav").good();
+				bool bVoices = RE::BSResourceNiBinaryStream("sound/voice/enderal - forgotten stories.esm/vt_calia/fs_mq18c__0002a4ed_1.fuz").good();
+				bool bMeshes = RE::BSResourceNiBinaryStream("meshes/enderal/loadscreenart/loadscreenundercity.nif").good();
+				bool bTextures = RE::BSResourceNiBinaryStream("textures/enderal/forgottenstories/theriantrophist/theriantrophistrecipe.dds").good();
+				bool bInterface = RE::BSResourceNiBinaryStream("interface/00e_heromenu.swf").good();
+
+				if (!bScripts || !bSounds || !bVoices || !bMeshes || !bTextures || !bInterface) {
 					MessageBoxW(NULL, L"One or more of Enderal's BSA archives are not loaded. Make sure Enderal - Forgotten Stories.esm is enabled and revalidate your files.", L"Error", MB_OK | MB_ICONERROR);
 					exit(EXIT_FAILURE);
 				}
+
 				CheckIncompatibleMods();
 			} else if (message->type == MessagingInterface::kPreLoadGame) {
 				//