Change lights to be TrackObjects, so that they can be animated. Exporter part not yet committed

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14818 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/tracks/track.cpp

@@ -1581,27 +1581,7 @@ void Track::loadTrackModel(bool reverse_track, unsigned int mode_id)
         }
         else if(name=="light")
         {
-            core::vector3df pos;
-            node->get("xyz", &pos);
-
-            video::SColor color;
-            node->get("color", &color);
-            const video::SColorf colorf(color);
-
-            float distance = 25.0f;
-            node->get("distance", &distance);
-            float energy = 1.;
-            node->get("energy", &energy);
-
-            if (irr_driver->isGLSL())
-            {
-                irr_driver->addLight(pos, distance, energy, colorf.r, colorf.g, colorf.b);
-            } else
-            {
-            scene::ILightSceneNode* node = irr_driver->getSceneManager()->addLightSceneNode(NULL, pos, color, distance);
-            node->setLightType(video::ELT_POINT);
-            node->enableCastShadow(true);
-        }
+            m_track_object_manager->add(*node);
         }
         else if(name=="weather")
         {

src/tracks/track_object.cpp

@@ -116,6 +116,11 @@ void TrackObject::init(const XMLNode &xml_node, LODNode* lod_node)
         m_type = "particle-emitter";
         m_presentation = new TrackObjectPresentationParticles(xml_node);
     }
+    else if (xml_node.getName() == "light")
+    {
+        m_type = "light";
+        m_presentation = new TrackObjectPresentationLight(xml_node);
+    }
     else if (type == "sfx-emitter")
     {
         // FIXME: at this time sound emitters are just disabled in multiplayer
@@ -181,7 +186,7 @@ void TrackObject::init(const XMLNode &xml_node, LODNode* lod_node)
             b = glow.getBlue() / 255.0f;
 
             irr_driver->addGlowingNode(glownode, r, g, b);
-    }
+        }
 
         bool forcedbloom = false;
         if (xml_node.get("forcedbloom", &forcedbloom) && forcedbloom && glownode)

src/tracks/track_object_presentation.cpp

@@ -39,6 +39,7 @@
 #include <ICameraSceneNode.h>
 #include <IBillboardSceneNode.h>
 #include <IParticleSystemSceneNode.h>
+#include <ILightSceneNode.h>
 
 // ----------------------------------------------------------------------------
 
@@ -499,7 +500,6 @@ TrackObjectPresentationBillboard::~TrackObjectPresentationBillboard()
 
 // ----------------------------------------------------------------------------
 
-
 TrackObjectPresentationParticles::TrackObjectPresentationParticles(const XMLNode& xml_node) :
     TrackObjectPresentationSceneNode(xml_node)
 {
@@ -587,6 +587,43 @@ void TrackObjectPresentationParticles::triggerParticles()
 
 // ----------------------------------------------------------------------------
 
+TrackObjectPresentationLight::TrackObjectPresentationLight(const XMLNode& xml_node) :
+    TrackObjectPresentationSceneNode(xml_node)
+{
+    xml_node.get("color", &m_color);
+    const video::SColorf colorf(m_color);
+
+    m_distance = 25.0f;
+    xml_node.get("distance", &m_distance);
+
+    m_energy = 1.0f;
+    xml_node.get("energy", &m_energy);
+
+    if (irr_driver->isGLSL())
+    {
+        m_node = irr_driver->addLight(m_init_xyz, m_distance, m_energy, colorf.r, colorf.g, colorf.b);
+    }
+    else
+    {
+        m_node = NULL; // lights require shaders to work
+        //scene::ILightSceneNode* node = irr_driver->getSceneManager()->addLightSceneNode(NULL, m_init_xyz, m_color, m_distance);
+        //node->setLightType(video::ELT_POINT);
+        //node->enableCastShadow(true);
+        //m_node = node;
+    }
+}
+
+TrackObjectPresentationLight::~TrackObjectPresentationLight()
+{
+    // TODO
+}
+
+void TrackObjectPresentationLight::update(float dt)
+{
+    // TODO
+}
+
+// ----------------------------------------------------------------------------
 
 TrackObjectPresentationActionTrigger::TrackObjectPresentationActionTrigger(const XMLNode& xml_node) :
     TrackObjectPresentation(xml_node)

src/tracks/track_object_presentation.hpp

@@ -263,6 +263,25 @@ public:
     void triggerParticles();
 };
 
+/**
+* \ingroup tracks
+* A track object representation that consists of a light emitter
+*/
+class TrackObjectPresentationLight : public TrackObjectPresentationSceneNode
+{
+private:
+    video::SColor m_color;
+    float m_distance;
+    float m_energy;
+
+public:
+    TrackObjectPresentationLight(const XMLNode& xml_node);
+    virtual ~TrackObjectPresentationLight();
+
+    virtual void update(float dt) OVERRIDE;
+};
+
+
 /**
  * \ingroup tracks
  * A track object representation that consists of an action trigger