WAGE: Fix polygon rendering

scummvm · Dec 27, 2015 · 36e4722 · 36e4722
1 parent 3adda82
commit 36e4722
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/engines/wage/design.cpp b/engines/wage/design.cpp
@@ -212,15 +212,15 @@ void Design::drawPolygon(Graphics::Surface *surface, Common::ReadStream &in, boo
 		int y2 = y1;
 		int x2 = x1;
 		int b = in.readSByte();
-		if (b == (byte)0x80) {
+		if ((b & 0xff) == 0x80) {
 			y2 = in.readSint16BE();
 			numBytes -= 3;
 		} else {
 			y2 += b;
 			numBytes -= 1;
 		}
 		b = in.readSByte();
-		if (b == (byte) 0x80) {
+		if ((b & 0xff) == 0x80) {
 			x2 = in.readSint16BE();
 			numBytes -= 3;
 		} else {