From 562da310b8a2d3331ea206c51e25ea7383925646 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Fri, 7 Jul 2017 20:55:12 -0400
Subject: TITANIC: Fix to only update modified parts of the screen

---
 engines/titanic/support/rect.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'engines/titanic/support')

diff --git a/engines/titanic/support/rect.cpp b/engines/titanic/support/rect.cpp
index 5fce4402cb..b39ffc1c45 100644
--- a/engines/titanic/support/rect.cpp
+++ b/engines/titanic/support/rect.cpp
@@ -25,10 +25,11 @@
 namespace Titanic {
 
 void Rect::combine(const Rect &r) {
-	if (isEmpty() || r.isEmpty())
-		return;
-
-	Common::Rect::extend(r);
+	if (isEmpty()) {
+		*this = r;
+	} else if (!r.isEmpty()) {
+		Common::Rect::extend(r);
+	}
 }
 
 void Rect::constrain(const Rect &r) {
-- 
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