Panda3D

animChannelScalarTable.h

00001 // Filename: animChannelScalarTable.h
00002 // Created by:  drose (22Feb99)
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 ANIMCHANNELSCALARTABLE_H
00016 #define ANIMCHANNELSCALARTABLE_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "animChannel.h"
00021 
00022 #include "pointerToArray.h"
00023 #include "pta_stdfloat.h"
00024 
00025 ////////////////////////////////////////////////////////////////////
00026 //       Class : AnimChannelScalarTable
00027 // Description : An animation channel that issues a scalar each frame,
00028 //               read from a table such as might have been read from
00029 //               an egg file.
00030 ////////////////////////////////////////////////////////////////////
00031 class EXPCL_PANDA_CHAN AnimChannelScalarTable : public AnimChannelScalar {
00032 protected:
00033   AnimChannelScalarTable();
00034   AnimChannelScalarTable(AnimGroup *parent, const AnimChannelScalarTable &copy);
00035 
00036 public:
00037   AnimChannelScalarTable(AnimGroup *parent, const string &name);
00038 
00039   virtual bool has_changed(int last_frame, double last_frac, 
00040                            int this_frame, double this_frac);
00041   virtual void get_value(int frame, PN_stdfloat &value);
00042 
00043 PUBLISHED:
00044   void set_table(const CPTA_stdfloat &table);
00045   INLINE CPTA_stdfloat get_table() const;
00046 
00047   INLINE bool has_table() const;
00048   INLINE void clear_table();
00049 
00050 public:
00051   virtual void write(ostream &out, int indent_level) const;
00052 
00053 protected:
00054   virtual AnimGroup *make_copy(AnimGroup *parent) const;
00055 
00056 protected:
00057   CPTA_stdfloat _table;
00058 
00059 public:
00060   static void register_with_read_factory();
00061   virtual void write_datagram(BamWriter* manager, Datagram &me);
00062 
00063   static TypedWritable *make_AnimChannelScalarTable(const FactoryParams &params);
00064 
00065 protected:
00066   void fillin(DatagramIterator& scan, BamReader* manager);
00067 
00068 public:
00069   virtual TypeHandle get_type() const {
00070     return get_class_type();
00071   }
00072   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00073   static TypeHandle get_class_type() {
00074     return _type_handle;
00075   }
00076   static void init_type() {
00077     AnimChannelScalar::init_type();
00078     register_type(_type_handle, "AnimChannelScalarTable",
00079                   AnimChannelScalar::get_class_type());
00080   }
00081 
00082 private:
00083   static TypeHandle _type_handle;
00084 };
00085 
00086 #include "animChannelScalarTable.I"
00087 
00088 #endif
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