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animateVerticesRequest.h
00001 // Filename: animateVerticesRequest.h
00002 // Created by:  pratt (20Nov07)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef ANIMATEVERTICESREQUEST
00016 #define ANIMATEVERTICESREQUEST
00017 
00018 #include "pandabase.h"
00019 
00020 #include "asyncTask.h"
00021 #include "geomVertexData.h"
00022 #include "pointerTo.h"
00023 
00024 ////////////////////////////////////////////////////////////////////
00025 //       Class : AnimateVerticesRequest
00026 // Description : This class object manages a single asynchronous
00027 //               request to animate vertices on a GeomVertexData
00028 //               object.  animate_vertices will be called with
00029 //               force=true (i.e. blocking) in a sub-thread (if
00030 //               threading is available).  No result is stored or
00031 //               returned from this object.  It is expected that the
00032 //               result will be cached and available for immediate
00033 //               use later during rendering.  Thus it is important
00034 //               that the main thread block while these requests
00035 //               are being run (presumably on multiple CPUs/cores),
00036 //               to ensure that the data has been computed by the
00037 //               time it's needed.
00038 ////////////////////////////////////////////////////////////////////
00039 class EXPCL_PANDA_PGRAPH AnimateVerticesRequest : public AsyncTask {
00040 public:
00041   ALLOC_DELETED_CHAIN(AnimateVerticesRequest);
00042 
00043 PUBLISHED:
00044   INLINE AnimateVerticesRequest(GeomVertexData *geom_vertex_data);
00045   
00046   INLINE bool is_ready() const;
00047   
00048 protected:
00049     virtual AsyncTask::DoneStatus do_task();
00050   
00051 private:
00052   PT(GeomVertexData) _geom_vertex_data;
00053   bool _is_ready;
00054   
00055 public:
00056   static TypeHandle get_class_type() {
00057     return _type_handle;
00058   }
00059   static void init_type() {
00060     AsyncTask::init_type();
00061     register_type(_type_handle, "AnimateVerticesRequest",
00062                   AsyncTask::get_class_type());
00063     }
00064   virtual TypeHandle get_type() const {
00065     return get_class_type();
00066   }
00067   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00068   
00069 private:
00070   static TypeHandle _type_handle;
00071 };
00072 
00073 #include "animateVerticesRequest.I"
00074 
00075 #endif
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