EsenthalEngine/Engine/H/Game/Objects/Animatable.h

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   Use 'Animatable' class for animatable objects using Skeleton and Animation.

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namespace Game{
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STRUCT(Animatable , Obj) // Game Animatable Object
//{
   Flt              scale         ; // scale
   ObjectPtr        base          ; // base object
   MeshPtr          mesh          ; // mesh
   Int              mesh_variation; // mesh variation index
   AnimatedSkeleton skel          ; // animated skeleton
   SkelAnim        *skel_anim     ; // skeleton animation
   Actor            actor         ; // actor

   // manage
   virtual void create(Object &obj); // create from object

   virtual void setUnsavedParams(); // set parameters which are not included in the save file

   // get / set
   virtual Vec    pos   (                ); // get position
   virtual void   pos   (C Vec    &pos   ); // set position
   virtual Matrix matrix(                ); // get matrix  , returned matrix is normalized
   virtual void   matrix(C Matrix &matrix); // set matrix  , 'matrix' must be normalized

   // callbacks
   virtual void memoryAddressChanged(); // called when object memory address has been changed, you should override it and adjust Actor::obj pointer for all actors

   // update
   virtual Bool update(); // update, return false when object wants to be deleted, and true if wants to exist

   // draw
   virtual UInt drawPrepare(); // prepare for drawing, this will be called in RM_PREPARE mode, in this method you should add the meshes to the draw list (Mesh::draw), and return a combination of bits of which additional render modes will be required for custom drawing of the object (for example "return IndexToFlag(RM_BLEND)" requests blend mode rendering)
   virtual void drawShadow (); // in this method you should add the meshes to the shadow draw list (Mesh::drawShadow)

   // io
   virtual Bool save(File &f); // save, false on fail
   virtual Bool load(File &f); // load, false on fail

  ~Animatable();
   Animatable();

protected:
   Matrix _matrix;
};
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} // namespace
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