itemmotion_handler.h

Go to the documentation of this file.

#ifndef LWPP_ITEMMOTION_HANDLER_H
#define LWPP_ITEMMOTION_HANDLER_H
 
#include "lwpp/plugin_handler.h"
#include <lwmotion.h>
 
namespace lwpp
{
  class ItemMotionHandler : public InstanceHandler, public ItemHandler 
  {
  protected:
    LWItem Context;
  public:
    ItemMotionHandler(void* g, void* context, LWError* err)
      : InstanceHandler(g,context,err, LWITEMMOTION_HCLASS)
    {
      Context.SetID(LWItemID(context));
    }
    virtual ~ItemMotionHandler()
    {
      ;
    }
    
    virtual void Evaluate(const LWItemMotionAccess *ma)
    {
      ;
    }
    virtual unsigned int Flags()
    {
      return 0; //says This Plugin doesn't get applied after IK by default.
    }
  };
 
  template <class T, int min, int max>
  class ItemMotionAdaptor : public InstanceAdaptor <T>, public ItemAdaptor <T> 
  {
  public:
    ItemMotionAdaptor(const char *name, ServerTagInfo *tags)
    {
      LWServer::AddPlugin(LWITEMMOTION_HCLASS, name, Activate, tags);
    }
    static int Activate (int version , GlobalFunc* global, LWInstance inst, void* serverData)
    {
      if(version!=LWITEMMOTION_VERSION) return AFUNC_BADVERSION;
      lwpp::SetSuperGlobal(global);
      
      LWItemMotionHandler* plugin = static_cast<LWItemMotionHandler*>(inst);
      InstanceAdaptor<T>::Activate(plugin->inst);
      ItemAdaptor<T>::Activate(plugin->item);
 
      plugin->evaluate = ItemMotionAdaptor::Evaluate;
      plugin->flags    = ItemMotionAdaptor::Flags;
  
      UNUSED(serverData);
      return AFUNC_OK;
    }
  private:
    static void Evaluate (LWInstance inst, const LWItemMotionAccess* ma)
    {
      T* plugin = static_cast<T*>(inst);
      plugin->Evaluate(ma);
    }
    static unsigned int Flags (LWInstance inst)
    {
      T* plugin = static_cast<T*>(inst);
      return plugin->Flags();
    }
  };
 
  /* GUI Classes */
  IMPLEMENT_XPANELHANDLER(ItemMotion);
  IMPLEMENT_XPANELADAPTOR(ItemMotion,min,max);
  IMPLEMENT_LWPANELHANDLER(ItemMotion);
  IMPLEMENT_LWPANELADAPTOR(ItemMotion,min,max);
}
#endif //ITEMMOTION_H