From 43ca6071eaa559d04988910491b3013664e9f396 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Sun, 21 Feb 2010 00:50:27 +0000
Subject: Handle invalid rects in kCanBeHere(). Fixes some odd crashes in
 Iceman

svn-id: r48098
---
 engines/sci/graphics/compare.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'engines/sci')

diff --git a/engines/sci/graphics/compare.cpp b/engines/sci/graphics/compare.cpp
index 689c871e64..cf57d98b52 100644
--- a/engines/sci/graphics/compare.cpp
+++ b/engines/sci/graphics/compare.cpp
@@ -152,6 +152,9 @@ bool GfxCompare::kernelCanBeHere(reg_t curObject, reg_t listReference) {
 	checkRect.right = GET_SEL32V(_segMan, curObject, SELECTOR(brRight));
 	checkRect.bottom = GET_SEL32V(_segMan, curObject, SELECTOR(brBottom));
 
+	if (!checkRect.isValidRect())	// can occur in Iceman
+		return false;
+
 	adjustedRect = _coordAdjuster->onControl(checkRect);
 
 	signal = GET_SEL32V(_segMan, curObject, SELECTOR(signal));
-- 
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