From f533de72e48fa909240ecf3c0fffa5bfd895753b Mon Sep 17 00:00:00 2001
From: Robert Göffringmann
Date: Sat, 20 Dec 2003 15:26:44 +0000
Subject: sprites should now be rendered correctly.

svn-id: r11784
---
 sword1/screen.cpp | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/sword1/screen.cpp b/sword1/screen.cpp
index 7d7f08a6eb..2386c760db 100644
--- a/sword1/screen.cpp
+++ b/sword1/screen.cpp
@@ -390,13 +390,9 @@ void SwordScreen::processImage(uint32 id) {
 void SwordScreen::verticalMask(uint16 x, uint16 y, uint16 bWidth, uint16 bHeight) {
 	if (_roomDefTable[_currentScreen].totalLayers <= 1)
 		return;
-	bWidth = (bWidth + (SCRNGRID_X - 1)) / SCRNGRID_X;
-	bHeight = (bHeight + (SCRNGRID_Y - 1)) / SCRNGRID_Y;
-	
-	if (x & (SCRNGRID_X - 1))
-		bWidth++;
-	if (y & (SCRNGRID_Y - 1))
-		bHeight++;
+
+	bWidth = (bWidth + (x & (SCRNGRID_X - 1)) + (SCRNGRID_X - 1)) / SCRNGRID_X;
+	bHeight = (bHeight + (y & (SCRNGRID_Y - 1)) + (SCRNGRID_Y - 1)) / SCRNGRID_Y;
 
 	x /= SCRNGRID_X;
 	y /= SCRNGRID_Y;
-- 
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