Add FPS getter for Animated Mesh SN, add some values in serialization.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2767 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IAnimatedMeshSceneNode.h

@@ -81,10 +81,14 @@ namespace scene
 		\return True if successful, false if not. */
 		virtual bool setFrameLoop(s32 begin, s32 end) = 0;
 
-		//! Sets the speed with witch the animation is played.
+		//! Sets the speed with which the animation is played.
 		/** \param framesPerSecond: Frames per second played. */
 		virtual void setAnimationSpeed(f32 framesPerSecond) = 0;
 
+		//! Gets the speed with which the animation is played.
+		/** \return Frames per second played. */
+		virtual f32 getAnimationSpeed() const =0;
+
 		//! Creates shadow volume scene node as child of this node.
 		/** The shadow can be rendered using the ZPass or the zfail
 		method. ZPass is a little bit faster because the shadow volume

include/ISceneCollisionManager.h

@@ -26,7 +26,7 @@ namespace scene
 	public:
 
 		//! Finds the collision point of a line and lots of triangles, if there is one.
-		/** \param ray: Line with witch collisions are tested.
+		/** \param ray: Line with which collisions are tested.
 		\param selector: TriangleSelector containing the triangles. It
 		can be created for example using
 		ISceneManager::createTriangleSelector() or

source/Irrlicht/CAnimatedMeshSceneNode.cpp

@@ -524,6 +524,12 @@ void CAnimatedMeshSceneNode::setAnimationSpeed(f32 framesPerSecond)
 }
 
 
+f32 CAnimatedMeshSceneNode::getAnimationSpeed() const
+{
+	return FramesPerSecond * 1000.f;
+}
+
+
 //! returns the axis aligned bounding box of this node
 const core::aabbox3d<f32>& CAnimatedMeshSceneNode::getBoundingBox() const
 {
@@ -768,8 +774,8 @@ void CAnimatedMeshSceneNode::serializeAttributes(io::IAttributes* out, io::SAttr
 	out->addBool("Looping", Looping);
 	out->addBool("ReadOnlyMaterials", ReadOnlyMaterials);
 	out->addFloat("FramesPerSecond", FramesPerSecond);
-
-	// TODO: write animation names instead of frame begin and ends
+	out->addInt("StartFrame", StartFrame);
+	out->addInt("EndFrame", EndFrame);
 }
 
 
@@ -784,6 +790,8 @@ void CAnimatedMeshSceneNode::deserializeAttributes(io::IAttributes* in, io::SAtt
 	Looping = in->getAttributeAsBool("Looping");
 	ReadOnlyMaterials = in->getAttributeAsBool("ReadOnlyMaterials");
 	FramesPerSecond = in->getAttributeAsFloat("FramesPerSecond");
+	StartFrame = in->getAttributeAsInt("StartFrame");
+	EndFrame = in->getAttributeAsInt("EndFrame");
 
 	if (newMeshStr != "" && oldMeshStr != newMeshStr)
 	{

source/Irrlicht/CAnimatedMeshSceneNode.h

@@ -57,9 +57,12 @@ namespace scene
 		//! playback has ended. Set this to 0 to disable the callback again.
 		virtual void setAnimationEndCallback(IAnimationEndCallBack* callback=0);
 
-		//! sets the speed with witch the animation is played
+		//! sets the speed with which the animation is played
 		virtual void setAnimationSpeed(f32 framesPerSecond);
 
+		//! gets the speed with which the animation is played
+		virtual f32 getAnimationSpeed() const;
+
 		//! returns the material based on the zero based index i. To get the amount
 		//! of materials used by this scene node, use getMaterialCount().
 		//! This function is needed for inserting the node into the scene hirachy on a