From fe552696533e47b79d1299c831dfda98de884b01 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 1 Jan 2012 20:14:37 +1100
Subject: TSAGE: Bugfix for trying to draw off screen objects, which was
 causing invalid dirty rects

---
 engines/tsage/graphics.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'engines/tsage')

diff --git a/engines/tsage/graphics.cpp b/engines/tsage/graphics.cpp
index af3a2f9199..4db898662f 100644
--- a/engines/tsage/graphics.cpp
+++ b/engines/tsage/graphics.cpp
@@ -595,7 +595,8 @@ void GfxSurface::copyFrom(GfxSurface &src, Rect srcBounds, Rect destBounds, Regi
 	if (destBounds.bottom > destSurface.h)
 		destBounds.bottom = destSurface.h;
 
-	if (destBounds.isValidRect()) {
+	if (destBounds.isValidRect() && !((destBounds.right < 0) || (destBounds.bottom < 0)
+			|| (destBounds.left >= SCREEN_WIDTH) || (destBounds.top >= SCREEN_HEIGHT))) {
 		// Register the affected area as dirty
 		addDirtyRect(destBounds);
 
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