From 21474d32ab2d2de784c6cd12f85e0f9ad68bcea4 Mon Sep 17 00:00:00 2001
From: richiesams
Date: Fri, 30 Aug 2013 17:08:38 -0500
Subject: ZVISION: Fix error is RenderManager backgroundOffset handling

---
 engines/zvision/render_manager.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'engines/zvision')

diff --git a/engines/zvision/render_manager.cpp b/engines/zvision/render_manager.cpp
index b1282dc007..96030ba2b9 100644
--- a/engines/zvision/render_manager.cpp
+++ b/engines/zvision/render_manager.cpp
@@ -118,7 +118,7 @@ void RenderManager::renderSubRectToScreen(Graphics::Surface &surface, int16 dest
 
 		if (destinationY > 0) {
 			// Move destinationY to 0
-			subRectX = surface.w - destinationX;
+			subRectY = surface.h - destinationY;
 			destinationY = 0;
 		}
 	}
@@ -327,12 +327,12 @@ void RenderManager::moveBackground(int offset) {
 		if (_backgroundOffset.x <= -_backgroundWidth)
 			_backgroundOffset.x += _backgroundWidth;
 		else if (_backgroundOffset.x >= _backgroundWidth)
-			_backgroundOffset.x += _backgroundWidth;
+			_backgroundOffset.x -= _backgroundWidth;
 
 		if (_backgroundOffset.y <= -_backgroundHeight)
 			_backgroundOffset.y += _backgroundHeight;
 		else if (_backgroundOffset.y >= _backgroundHeight)
-			_backgroundOffset.y += _backgroundHeight;
+			_backgroundOffset.y -= _backgroundHeight;
 
 		renderImageToScreen(_currentBackground, 0, _screenCenterY - _backgroundOffset.y, true);
 	} else if (state == RenderTable::PANORAMA) {
@@ -341,12 +341,12 @@ void RenderManager::moveBackground(int offset) {
 		if (_backgroundOffset.x <= -_backgroundWidth)
 			_backgroundOffset.x += _backgroundWidth;
 		else if (_backgroundOffset.x >= _backgroundWidth)
-			_backgroundOffset.x += _backgroundWidth;
+			_backgroundOffset.x -= _backgroundWidth;
 
 		if (_backgroundOffset.y <= -_backgroundHeight)
 			_backgroundOffset.y += _backgroundHeight;
 		else if (_backgroundOffset.y >= _backgroundHeight)
-			_backgroundOffset.y += _backgroundHeight;
+			_backgroundOffset.y -= _backgroundHeight;
 
 		renderImageToScreen(_currentBackground, _screenCenterX - _backgroundOffset.x, 0, true);
 	} else {
-- 
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