From 99c171e3f46f0993b79fbae58186e44f9529796a Mon Sep 17 00:00:00 2001
From: hikerstk <hikerstk@178a84e3-b1eb-0310-8ba1-8eac791a3b58>
Date: Sun, 3 May 2009 12:33:26 +0000
Subject: [PATCH] Fixed kart rotation in bullet debug view (reason was actually
 incorrect culling).

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@3455 178a84e3-b1eb-0310-8ba1-8eac791a3b58
---
 src/graphics/irr_driver.cpp | 7 ++++---
 src/karts/kart.cpp          | 2 +-
 src/physics/physics.cpp     | 5 +++++
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/graphics/irr_driver.cpp b/src/graphics/irr_driver.cpp
index 276babdc8..3206706dd 100644
--- a/src/graphics/irr_driver.cpp
+++ b/src/graphics/irr_driver.cpp
@@ -502,7 +502,7 @@ void IrrDriver::update(float dt)
     if(!m_device->run()) return;
     m_device->getVideoDriver()->beginScene(true, true, video::SColor(255,100,101,140));
 #ifdef HAVE_GLUT
-    if(user_config->m_bullet_debug)
+    if(user_config->m_bullet_debug && race_manager->raceIsActive())
     {
         // Use bullets debug drawer
         GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
@@ -532,6 +532,7 @@ void IrrDriver::update(float dt)
 
         glClearColor(0.8f,0.8f,0.8f,0);
 
+        glCullFace(GL_BACK);
         glMatrixMode(GL_PROJECTION);
         glLoadIdentity();
         float f=2.0f;
@@ -539,8 +540,8 @@ void IrrDriver::update(float dt)
 
         Vec3 xyz = RaceManager::getKart(race_manager->getNumKarts()-1)->getXYZ();
         gluLookAt(xyz.getX(), xyz.getY()-5.f, xyz.getZ()+4,
-            xyz.getX(), xyz.getY(),     xyz.getZ(),
-            0.0f, 0.0f, 1.0f);
+                  xyz.getX(), xyz.getY(),     xyz.getZ(),
+                  0.0f, 0.0f, 1.0f);
         glMatrixMode(GL_MODELVIEW);
 
         for (unsigned int i = 0 ; i < race_manager->getNumKarts(); ++i)
diff --git a/src/karts/kart.cpp b/src/karts/kart.cpp
index 8fe4176c9..b58c4083a 100644
--- a/src/karts/kart.cpp
+++ b/src/karts/kart.cpp
@@ -705,7 +705,7 @@ void Kart::draw()
     btCylinderShapeX wheelShape( btVector3(0.1f,
                                         m_kart_properties->getWheelRadius(),
                                         m_kart_properties->getWheelRadius()));
-    btVector3 wheelColor(1,0,0);
+    btVector3 wheelColor(0,0,1);
     for(int i=0; i<m_vehicle->getNumWheels(); i++)
     {
         m_vehicle->updateWheelTransform(i, true);
diff --git a/src/physics/physics.cpp b/src/physics/physics.cpp
index 1cabf7683..8f2def033 100644
--- a/src/physics/physics.cpp
+++ b/src/physics/physics.cpp
@@ -307,6 +307,11 @@ void Physics::draw()
         if(myMotion) 
         {
             myMotion->m_graphicsWorldTrans.getOpenGLMatrix(m);
+            // Karts need culling GL_FRONT (not sure why), otherwise they appear to
+            // rotate incorrectly due to incorrect culling
+            UserPointer *up = (UserPointer*)body->getUserPointer();
+            if(up->is(UserPointer::UP_KART))
+                glCullFace(GL_FRONT);
             debugDraw(m, obj->getCollisionShape(), wireColor);
         }
     }  // for i