SCI: Fix Macintosh kDrawPic mirror flag handling

Fixes the KQ6 Mac peppermint cave room
scummvm · Aug 14, 2019 · aea7da4 · aea7da4
1 parent afd3607
commit aea7da4
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp
@@ -563,8 +563,13 @@ reg_t kDrawPic(EngineState *s, int argc, reg_t *argv) {
 		if (flags & K_DRAWPIC_FLAGS_ANIMATIONBLACKOUT)
 			animationBlackoutFlag = true;
 		animationNr = flags & 0xFF;
-		if (flags & K_DRAWPIC_FLAGS_MIRRORED)
+		// Mac interpreters ignored the mirrored flag and didn't mirror pics.
-			mirroredFlag = true;
+		//  KQ6 PC room 390 drew pic 390 mirrored so Mac added pic 395, which
+		//  is a mirror of 390, but the script continued to pass this flag.
+		if (g_sci->getPlatform() != Common::kPlatformMacintosh) {
+			if (flags & K_DRAWPIC_FLAGS_MIRRORED)
+				mirroredFlag = true;
+		}
 	}
 	if (argc >= 3) {
 		if (!argv[2].isNull())