Nicer error message

# Conflicts: # src/version.h
uqs · Dec 31, 2019 · 3ad3783 · 3ad3783
1 parent 26288b9
commit 3ad3783
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/Mod/ExtraSprites.cpp b/src/Mod/ExtraSprites.cpp
@@ -276,6 +276,12 @@ Surface *ExtraSprites::getFrame(SurfaceSet *set, int index) const
 		}
 		indexWithOffset += _current->offset;
 	}
+	else if (indexWithOffset < 0)
+	{
+		std::ostringstream err;
+		err << "ExtraSprites '" << _type << "' frame '" << indexWithOffset << "' in mod '" << _current->name << "' is not allowed.";
+		throw Exception(err.str());
+	}
 
 	Surface *frame = set->getFrame(indexWithOffset);
 	if (frame)