Fix for bug #2057656: FW: Assert during demo (regression).

Future Wars's Amiga demo is trying to load collision data files
'L8_MK.NEO' and 'L23_MK.NEO' that aren't supplied with the demo.
Previous code crashed when a file couldn't be found,
now it gives a warning instead.

svn-id: r34036

1 files changed, 9 insertions, 1 deletions

diff --git a/engines/cine/bg.cpp b/engines/cine/bg.cpp
index 45bfae7925..cc7e843c2b 100644
--- a/engines/cine/bg.cpp
+++ b/engines/cine/bg.cpp
@@ -41,10 +41,18 @@ byte loadCtFW(const char *ctName) {
 	uint16 header[32];
 	byte *ptr, *dataPtr;
 
+	int16 foundFileIdx = findFileInBundle(ctName);
+	if (foundFileIdx == -1) {
+		warning("loadCtFW: Unable to find collision data file '%s'", ctName);
+		// FIXME: Rework this function's return value policy and return an appropriate value here.
+		// The return value isn't yet used for anything so currently it doesn't really matter.
+		return 0;
+	}
+
 	if (currentCtName != ctName)
 		strcpy(currentCtName, ctName);
 
-	ptr = dataPtr = readBundleFile(findFileInBundle(ctName));
+	ptr = dataPtr = readBundleFile(foundFileIdx);
 
 	loadRelatedPalette(ctName);