From 720ee30c9aab9336d2a41d30bb322b5da1e2848a Mon Sep 17 00:00:00 2001
From: "wrenczes@gmail.com"
 <wrenczes@gmail.com@01922e74-a4c3-11dd-a5cd-697bfd0a0cef>
Date: Thu, 2 Dec 2010 07:42:32 +0000
Subject: [PATCH] Fix for issue 518, Shop "background light" image "candle
 effect" not working.  Basically some bad math made the alpha clamp all the
 time at its max value of 50.  Now we pick a random number distribution
 between -25 and + 25 for the alpha offset value.

---
 projects/mtg/src/GameStateShop.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/projects/mtg/src/GameStateShop.cpp b/projects/mtg/src/GameStateShop.cpp
index 5a3c88afc..dfb59551c 100644
--- a/projects/mtg/src/GameStateShop.cpp
+++ b/projects/mtg/src/GameStateShop.cpp
@@ -455,7 +455,7 @@ void GameStateShop::Update(float dt)
     if (menu && menu->isClosed())
         SAFE_DELETE(menu);
     srcCards->Update(dt);
-    alphaChange = static_cast<int> (500 - (int) ((rand() % 1000)) * dt);
+    alphaChange = 25 - static_cast<int>((float) (rand() - 1) / (RAND_MAX) * 50.0f);
     lightAlpha += alphaChange;
     if (lightAlpha < 0)
         lightAlpha = 0;