Make IParticleSystemSceneNode::doParticleSystem public to allow rendering outside scenegraph.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3853 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IParticleSystemSceneNode.h

@@ -67,6 +67,11 @@ public:
 	//! Remove all currently visible particles
 	virtual void clearParticles() = 0;
 
+	//! Do manually update the particles.
+ 	//! This should only be called when you want to render the node outside the scenegraph,
+ 	//! as the node will care about this otherwise automatically.
+	virtual void doParticleSystem(u32 time) = 0;
+
 	//! Gets the particle emitter, which creates the particles.
 	/** \return The particle emitter. Can be 0 if none is set. */
 	virtual IParticleEmitter* getEmitter() =0;

source/Irrlicht/CParticleSystemSceneNode.h

@@ -193,6 +193,11 @@ public:
 	//! Remove all currently visible particles
 	virtual void clearParticles();
 
+	//! Do manually update the particles.
+ 	//! This should only be called when you want to render the node outside the scenegraph,
+ 	//! as the node will care about this otherwise automatically.
+	virtual void doParticleSystem(u32 time);
+
 	//! Writes attributes of the scene node.
 	virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const;
 
@@ -204,7 +209,6 @@ public:
 
 private:
 
-	void doParticleSystem(u32 time);
 	void reallocateBuffers();
 
 	core::list<IParticleAffector*> AffectorList;