From da45ef472118a0cdffe6a93e0de9a8f3c582aff6 Mon Sep 17 00:00:00 2001
From: auria <auria@178a84e3-b1eb-0310-8ba1-8eac791a3b58>
Date: Mon, 22 Feb 2010 20:26:26 +0000
Subject: [PATCH] Some tweaks with alpha. I thought this'd fix Mr Ice Block
 floating eyes, but it's not the case *sigh*

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@4802 178a84e3-b1eb-0310-8ba1-8eac791a3b58
---
 src/graphics/material.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/graphics/material.cpp b/src/graphics/material.cpp
index 0e80f5bd0..8f42b2a25 100644
--- a/src/graphics/material.cpp
+++ b/src/graphics/material.cpp
@@ -129,18 +129,27 @@ void Material::install(bool is_full_path)
 void  Material::setMaterialProperties(video::SMaterial *m) const
 {
     if (m_alpha_testing)
+    {
         // Note: if EMT_TRANSPARENT_ALPHA_CHANNEL is used, you have to use
         // scene_manager->getParameters()->setAttribute(
         //    scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);  and enable 
         // updates of the Z buffer of the material. Since the _REF 
         // approach is faster (and looks better imho), this is used for now.
         m->MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+    }
     else if (m_alpha_blending)
+    {
+        m->ZWriteEnable = false; // for transluscent stuff, don't write to the Z buffer
         m->MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+    }
     else if (m_sphere_map) 
+    {
         m->MaterialType = video::EMT_SPHERE_MAP;
+    }
     else if (m_lightmap)
+    {
         m->MaterialType = video::EMT_LIGHTMAP;
+    }
 
     if (!m_lighting)
     {