From 29aad066f0e57a04649b92083c4be7c6d490de31 Mon Sep 17 00:00:00 2001
From: timoore <timoore>
Date: Mon, 11 Aug 2008 08:32:13 +0000
Subject: [PATCH] pointers in Particles object should be ref_ptr

---
 simgear/scene/model/particles.cxx |  2 +-
 simgear/scene/model/particles.hxx | 11 ++++-------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/simgear/scene/model/particles.cxx b/simgear/scene/model/particles.cxx
index df5a160f..9fdc4bf5 100644
--- a/simgear/scene/model/particles.cxx
+++ b/simgear/scene/model/particles.cxx
@@ -477,7 +477,7 @@ void Particles::operator()(osg::Node* node, osg::NodeVisitor* nv)
         particleSys->getDefaultParticleTemplate().setSizeRange(osgParticle::rangef(startSize, endSize));
     if (lifeValue)
         particleSys->getDefaultParticleTemplate().setLifeTime(lifeValue->getValue());
-    if (program) {
+    if (program.valid()) {
         if (useGravity)
             program->setAcceleration(GlobalParticleCallback::getGravityVector());
         if (useWind)
diff --git a/simgear/scene/model/particles.hxx b/simgear/scene/model/particles.hxx
index 2b4bbe47..359f6acd 100644
--- a/simgear/scene/model/particles.hxx
+++ b/simgear/scene/model/particles.hxx
@@ -97,8 +97,6 @@ public:
         endSizeValue(NULL),
         lifeValue(NULL),
         counterCond(NULL),
-        refFrame(NULL),
-        program(NULL),
         useGravity(false),
         useWind(false)
     {
@@ -265,16 +263,15 @@ protected:
     SGExpressiond* endSizeValue;
     SGExpressiond* lifeValue;
     SGCondition* counterCond;
-    osg::MatrixTransform* refFrame;
     float staticColorComponents[8];
     float startSize;
     float endSize;
     float counterStaticValue;
     float counterStaticExtraRange;
-    osgParticle::RadialShooter* shooter;
-    osgParticle::RandomRateCounter* counter;
-    osgParticle::ParticleSystem* particleSys;
-    osgParticle::FluidProgram* program;
+    osg::ref_ptr<osgParticle::RadialShooter> shooter;
+    osg::ref_ptr<osgParticle::RandomRateCounter> counter;
+    osg::ref_ptr<osgParticle::ParticleSystem> particleSys;
+    osg::ref_ptr<osgParticle::FluidProgram> program;
     bool useGravity;
     bool useWind;
     static osg::ref_ptr<osgParticle::ParticleSystemUpdater> psu;