From ab5c3b43d7ff9542b4edd05a11d4d26997c876f1 Mon Sep 17 00:00:00 2001
From: auria <auria@178a84e3-b1eb-0310-8ba1-8eac791a3b58>
Date: Mon, 31 Jan 2011 02:27:19 +0000
Subject: [PATCH] Add support for full particle emitters anywhere in track

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7568 178a84e3-b1eb-0310-8ba1-8eac791a3b58
---
 src/tracks/track.cpp | 46 ++++++++++++++------------------------------
 src/tracks/track.hpp |  4 ++++
 2 files changed, 18 insertions(+), 32 deletions(-)

diff --git a/src/tracks/track.cpp b/src/tracks/track.cpp
index 8f2503757..a2509cfe2 100644
--- a/src/tracks/track.cpp
+++ b/src/tracks/track.cpp
@@ -132,6 +132,8 @@ void Track::cleanup()
         irr_driver->removeNode(m_all_nodes[i]);
     }
     m_all_nodes.clear();
+    
+    m_all_emitters.clearAndDeleteAll();
 
     if (m_sky_particles_emitter) delete m_sky_particles_emitter;
     m_sky_particles_emitter = NULL;
@@ -831,41 +833,21 @@ void Track::loadTrackModel(World* parent, unsigned int mode_id)
         }
         else if (name=="particle-emitter")
         {
-            // based on http://irrlicht.sourceforge.net/tut008.html
             std::string path;
-            std::vector<float> emitter_origin;
-            scene::ISceneManager* smgr = irr_driver->getSceneManager();
-            node->get("texture", &path);
+            irr::core::vector3df emitter_origin;
+            node->get("kind", &path);
             node->get("origin", &emitter_origin);
-            video::ITexture* particle_texture_load;
-            particle_texture_load = irr_driver->getTexture(path);
 
-            scene::IParticleSystemSceneNode* ps = smgr->addParticleSystemSceneNode(false);
-
-            scene::IParticleEmitter* em = ps->createBoxEmitter(
-                    core::aabbox3d<f32>(-2,0,-2,2,1,2),    // emitter size
-                    core::vector3df(0.0f,0.06f,0.0f),      // initial direction
-                    2,3,                                   // emit rate
-                    video::SColor(0,255,255,255),          // darkest color
-                    video::SColor(0,255,255,255),          // brightest color
-                    800,2000,0,                            // min and max age, angle
-                    core::dimension2df(1.f,1.f),           // min size
-                    core::dimension2df(2.f,2.f));          // max size
-
-            ps->setEmitter(em);
-            em->drop();
-
-            scene::IParticleAffector* paf = ps->createFadeOutParticleAffector();
-
-            ps->addAffector(paf);
-            paf->drop();
-
-            ps->setPosition(core::vector3df(emitter_origin[0],  emitter_origin[2], emitter_origin[1] ));
-            ps->setScale(core::vector3df(1,1,1));
-            ps->setMaterialFlag(video::EMF_LIGHTING, false);
-            ps->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
-            ps->setMaterialTexture(0, particle_texture_load);
-            ps->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL);
+            try
+            {
+                ParticleKind* kind = ParticleKindManager::get()->getParticles( path.c_str() );
+                ParticleEmitter* emitter = new ParticleEmitter( kind, emitter_origin );
+                m_all_emitters.push_back(emitter);
+            }
+            catch (std::runtime_error& e)
+            {
+                fprintf(stderr, "[Track] WARNING: Could not load particles '%s'; cause :\n    %s", path.c_str(), e.what());
+            }
         }
         else if(name=="sun")
         {
diff --git a/src/tracks/track.hpp b/src/tracks/track.hpp
index cb65a16b7..4646da93b 100644
--- a/src/tracks/track.hpp
+++ b/src/tracks/track.hpp
@@ -27,11 +27,14 @@
 using namespace irr;
 
 #include "LinearMath/btTransform.h"
+
 #include "audio/music_information.hpp"
 #include "graphics/material.hpp"
+#include "graphics/particle_emitter.hpp"
 #include "items/item.hpp"
 #include "tracks/quad_graph.hpp"
 #include "utils/vec3.hpp"
+#include "utils/ptr_vector.hpp"
 
 class AnimationManager;
 class BezierCurve;
@@ -69,6 +72,7 @@ private:
     std::vector<std::string> m_groups;
     std::vector<scene::ISceneNode*> m_all_nodes;
     std::vector<scene::IMesh*>      m_all_meshes;
+    ptr_vector<ParticleEmitter>     m_all_emitters;
     scene::ILightSceneNode  *m_sun;
     TriangleMesh*            m_track_mesh;
     /** Minimum coordinates of this track. */