From a29254dda2c94f808b2fc4d91eb845e404dec564 Mon Sep 17 00:00:00 2001
From: Jean-Christophe Rona
Date: Wed, 6 Feb 2019 18:13:07 +0100
Subject: SCI: Fix out of bounds issue in getFrameSize

If there is no item at all, returns a (0,0,0,0) Rect.
---
 engines/sci/video/robot_decoder.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'engines/sci')

diff --git a/engines/sci/video/robot_decoder.cpp b/engines/sci/video/robot_decoder.cpp
index 8a0948d962..a99a15a23c 100644
--- a/engines/sci/video/robot_decoder.cpp
+++ b/engines/sci/video/robot_decoder.cpp
@@ -1169,6 +1169,12 @@ bool RobotDecoder::readPartialAudioRecordAndSubmit(const int startFrame, const i
 
 uint16 RobotDecoder::getFrameSize(Common::Rect &outRect) const {
 	assert(_plane != nullptr);
+
+	if (_screenItemList.size() == 0) {
+		outRect.clip(0, 0);
+		return _numFramesTotal;
+	}
+
 	outRect = _screenItemList[0]->getNowSeenRect(*_plane);
 	for (RobotScreenItemList::size_type i = 1; i < _screenItemList.size(); ++i) {
 		ScreenItem &screenItem = *_screenItemList[i];
-- 
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