SCI: Fix a regression in the fallback detector. Some cleanup

Removed the superfluous initForDetection() function, which was not
updated in commit 2f17ba2b0ab77ef939c21efa04f7aaafccbd0c37 and
caused the fallback detector to crash because of uninitialized
variables

3 files changed, 9 insertions, 33 deletions

diff --git a/engines/sci/detection.cpp b/engines/sci/detection.cpp
index f4f104010f..05c00bff0b 100644
--- a/engines/sci/detection.cpp
+++ b/engines/sci/detection.cpp
@@ -578,7 +578,7 @@ const ADGameDescription *SciMetaEngine::fallbackDetect(const FileMap &allFiles,
 
 	ResourceManager resMan;
 	resMan.addAppropriateSourcesForDetection(fslist);
-	resMan.initForDetection();
+	resMan.init();
 	// TODO: Add error handling.
 
 #ifndef ENABLE_SCI32
diff --git a/engines/sci/resource.cpp b/engines/sci/resource.cpp
index 86c5f52455..2a4cd95b91 100644
--- a/engines/sci/resource.cpp
+++ b/engines/sci/resource.cpp
@@ -944,35 +944,14 @@ void ResourceManager::init() {
 		debugC(1, kDebugLevelResMan, "resMan: Detected SCI1.1 VGA graphic resources");
 		break;
 	default:
-#ifdef ENABLE_SCI32
-		error("resMan: Couldn't determine view type");
-#else
-		if (getSciVersion() >= SCI_VERSION_2) {
-			// SCI support isn't built in, thus the view type won't be determined for
-			// SCI2+ games. This will be handled further up, so throw no error here
-		} else {
-			error("resMan: Couldn't determine view type");
-		}
-#endif
+		// Throw a warning, but do not error out here, because this is called from the
+		// fallback detector, and the user could be pointing to a folder with a non-SCI
+		// game, but with SCI-like file names (e.g. Pinball Creep)
+		warning("resMan: Couldn't determine view type");
+		break;
 	}
 }
 
-void ResourceManager::initForDetection() {
-	assert(!g_sci);
-
-	_memoryLocked = 0;
-	_memoryLRU = 0;
-	_LRU.clear();
-	_resMap.clear();
-	_audioMapSCI1 = NULL;
-
-	_mapVersion = detectMapVersion();
-	_volVersion = detectVolVersion();
-
-	scanNewSources();
-	detectSciVersion();
-}
-
 ResourceManager::~ResourceManager() {
 	// freeing resources
 	ResourceMap::iterator itr = _resMap.begin();
@@ -2483,7 +2462,9 @@ bool ResourceManager::hasOldScriptHeader() {
 	Resource *res = findResource(ResourceId(kResourceTypeScript, 0), 0);
 
 	if (!res) {
-		error("resMan: Failed to find script.000");
+		// Script 0 missing -> corrupted / non-SCI resource files.
+		// Don't error out here, because this might have been called
+		// from the fallback detector
 		return false;
 	}
 
diff --git a/engines/sci/resource.h b/engines/sci/resource.h
index 46ac2bb944..ef474d97c2 100644
--- a/engines/sci/resource.h
+++ b/engines/sci/resource.h
@@ -315,11 +315,6 @@ public:
 	void init();
 
 	/**
-	 * Similar to the function above, only called from the fallback detector
-	 */
-	void initForDetection();
-
-	/**
 	 * Adds all of the resource files for a game
 	 */
 	int addAppropriateSources();