From 715e33d63d62dc02dd37c7db9bfb92d5cb323b0c Mon Sep 17 00:00:00 2001
From: Nicola Mettifogo
Date: Wed, 6 Feb 2008 13:57:44 +0000
Subject: Correctly implemented little-endian masks in BRA.

svn-id: r30807
---
 engines/parallaction/graphics.h | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'engines/parallaction/graphics.h')

diff --git a/engines/parallaction/graphics.h b/engines/parallaction/graphics.h
index ce4cca0d1a..3eb8f88a01 100644
--- a/engines/parallaction/graphics.h
+++ b/engines/parallaction/graphics.h
@@ -27,6 +27,7 @@
 #define PARALLACTION_GRAPHICS_H
 
 #include "common/rect.h"
+#include "common/hash-str.h"
 #include "common/stream.h"
 
 #include "graphics/surface.h"
@@ -174,9 +175,10 @@ struct MaskBuffer {
 	uint16	h;
 	uint	size;
 	byte	*data;
+	bool	bigEndian;
 
 public:
-	MaskBuffer() : w(0), internalWidth(0), h(0), size(0), data(0) {
+	MaskBuffer() : w(0), internalWidth(0), h(0), size(0), data(0), bigEndian(true) {
 	}
 
 	void create(uint16 width, uint16 height) {
@@ -198,8 +200,13 @@ public:
 
 	inline byte getValue(uint16 x, uint16 y) {
 		byte m = data[(x >> 2) + y * internalWidth];
-		uint n = (x & 3) << 1;
-		return ((3 << n) & m) >> n;
+		uint n;
+		if (bigEndian) {
+			n = (x & 3) << 1;
+		} else {
+			n = (3 - (x & 3)) << 1;
+		}
+		return (m >> n) & 3;
 	}
 
 };
-- 
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