SCI32: Fix bad palette entries when built without USE_RGB_COLOR

This is only a problem for the Windows games that need some
palette entries to be ignored.

1 files changed, 6 insertions, 0 deletions

diff --git a/engines/sci/graphics/palette32.cpp b/engines/sci/graphics/palette32.cpp
index 339461d157..d7f6710e12 100644
--- a/engines/sci/graphics/palette32.cpp
+++ b/engines/sci/graphics/palette32.cpp
@@ -527,6 +527,12 @@ void GfxPalette32::updateHardware() {
 		}
 	}
 
+#ifndef USE_RGB_COLOR
+	// When creating a raw palette on the stack, any skipped area of the palette
+	// needs to be blacked out or else it will contain garbage memory
+	memset(bpal + (maxIndex + 1) * 3, 0, (255 - maxIndex - 1) * 3);
+#endif
+
 	if (g_sci->getPlatform() != Common::kPlatformMacintosh) {
 		// The last color must always be white
 		bpal[255 * 3    ] = 255;