From 4f91c49836a16d3c5e6334a8a8ff60d62c67bc3e Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Tue, 1 Jul 2003 15:21:51 +0000
Subject: fix for when we scroll while text is being displayed (text used to
 leave traces behind in that case)

svn-id: r8688
---
 scumm/camera.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'scumm/camera.cpp')

diff --git a/scumm/camera.cpp b/scumm/camera.cpp
index f906aef20e..67df602705 100644
--- a/scumm/camera.cpp
+++ b/scumm/camera.cpp
@@ -336,6 +336,15 @@ void Scumm::cameraMoved() {
 #else
 	virtscr[0].xstart = _screenStartStrip << 3;
 #endif
+
+	int dx = camera._cur.x - camera._last.x;
+	int dy = camera._cur.y - camera._last.y;
+	if (dx || dy) {
+		gdi._mask.left -= dx;
+		gdi._mask.right -= dx;
+		gdi._mask.top -= dy;
+		gdi._mask.bottom -= dy;
+	}
 }
 
 void Scumm::panCameraTo(int x, int y) {
-- 
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