From ec680ef8aad8e82a14eb5a2af59fb72284919722 Mon Sep 17 00:00:00 2001
From: Florian Kagerer <athrxx@users.sourceforge.net>
Date: Sun, 31 Oct 2010 00:20:30 +0000
Subject: [PATCH] LOL: fixed bug #3099321

(Crash in Yvel tavern basement)

svn-id: r53973
---
 engines/kyra/screen_v2.cpp   | 6 ++++++
 engines/kyra/sprites_lol.cpp | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/engines/kyra/screen_v2.cpp b/engines/kyra/screen_v2.cpp
index 4d90bf2babb..9c224d15628 100644
--- a/engines/kyra/screen_v2.cpp
+++ b/engines/kyra/screen_v2.cpp
@@ -187,16 +187,22 @@ uint8 *Screen_v2::getPtrToShape(uint8 *shpFile, int shape) {
 }
 
 int Screen_v2::getShapeScaledWidth(const uint8 *shpFile, int scale) {
+	if (!shpFile)
+		return 0;
 	int width = READ_LE_UINT16(shpFile+3);
 	return (width * scale) >> 8;
 }
 
 int Screen_v2::getShapeScaledHeight(const uint8 *shpFile, int scale) {
+	if (!shpFile)
+		return 0;
 	int height = shpFile[2];
 	return (height * scale) >> 8;
 }
 
 uint16 Screen_v2::getShapeSize(const uint8 *shp) {
+	if (!shp)
+		return 0;
 	return READ_LE_UINT16(shp+6);
 }
 
diff --git a/engines/kyra/sprites_lol.cpp b/engines/kyra/sprites_lol.cpp
index d1992762355..6245ecdd1f7 100644
--- a/engines/kyra/sprites_lol.cpp
+++ b/engines/kyra/sprites_lol.cpp
@@ -901,6 +901,9 @@ void LoLEngine::calcSpriteRelPosition(uint16 x1, uint16 y1, int &x2, int &y2, ui
 }
 
 void LoLEngine::drawDoor(uint8 *shape, uint8 *doorPalette, int index, int unk2, int w, int h, int flags) {
+	if (!shape)
+		return;
+
 	uint8 c = _dscDoor1[(_currentDirection << 5) + unk2];
 	int r = (c / 5) + 5 * _dscDimMap[index];
 	uint16 d = _dscShapeOvlIndex[r];