From 53242d84e88ff601cbe8c5265d4e7465f8f2e053 Mon Sep 17 00:00:00 2001
From: Kaloyan Chehlarski <strahy@outlook.com>
Date: Thu, 11 May 2023 21:51:43 +0300
Subject: [PATCH] NANCY: Fix reading of Overlay in nancy3

---
 engines/nancy/action/overlay.cpp | 3 +--
 engines/nancy/commontypes.cpp    | 5 +++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/engines/nancy/action/overlay.cpp b/engines/nancy/action/overlay.cpp
index f9f2bf5ff13..8ad03b00306 100644
--- a/engines/nancy/action/overlay.cpp
+++ b/engines/nancy/action/overlay.cpp
@@ -48,10 +48,9 @@ void Overlay::readData(Common::SeekableReadStream &stream) {
 	uint16 numSrcRects;
 
 	readFilename(ser, _imageName);
-	ser.skip(2);
+	ser.skip(2, kGameTypeVampire, kGameTypeNancy2);
 	ser.syncAsUint16LE(_transparency);
 	ser.syncAsUint16LE(_hasSceneChange);
-
 	ser.syncAsUint16LE(_enableHotspot, kGameTypeNancy2);
 	ser.syncAsUint16LE(_z, kGameTypeNancy2);
 	ser.syncAsUint16LE(_overlayType, kGameTypeNancy2);
diff --git a/engines/nancy/commontypes.cpp b/engines/nancy/commontypes.cpp
index 5bf711a5cf2..0df1b79a5cb 100644
--- a/engines/nancy/commontypes.cpp
+++ b/engines/nancy/commontypes.cpp
@@ -65,6 +65,11 @@ void BitmapDescription::readData(Common::SeekableReadStream &stream, bool frameI
 	} else {
 		frameID = stream.readUint32LE();
 	}
+
+	if (g_nancy->getGameType() >= kGameTypeNancy3) {
+		// Most likely transparency
+		stream.skip(2);
+	}
 	
 	readRect(stream, src);
 	readRect(stream, dest);