Panda3D
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00001 // Filename: eggBackPointer.h 00002 // Created by: drose (26Feb01) 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 EGGBACKPOINTER_H 00016 #define EGGBACKPOINTER_H 00017 00018 #include "pandatoolbase.h" 00019 00020 #include "typedObject.h" 00021 00022 //////////////////////////////////////////////////////////////////// 00023 // Class : EggBackPointer 00024 // Description : This stores a pointer from an EggJointData or 00025 // EggSliderData object back to the referencing data in 00026 // an egg file. One of these objects corresponds to 00027 // each model appearing in an egg file, and may 00028 // reference either a single node, or a table, or a slew 00029 // of vertices and primitives, depending on the type of 00030 // data stored. 00031 // 00032 // This is just an abstract base class. The actual 00033 // details are stored in the various subclasses. 00034 //////////////////////////////////////////////////////////////////// 00035 class EggBackPointer : public TypedObject { 00036 public: 00037 EggBackPointer(); 00038 00039 virtual double get_frame_rate() const; 00040 virtual int get_num_frames() const=0; 00041 virtual void extend_to(int num_frames); 00042 virtual bool has_vertices() const; 00043 00044 virtual void set_name(const string &name); 00045 00046 public: 00047 static TypeHandle get_class_type() { 00048 return _type_handle; 00049 } 00050 static void init_type() { 00051 TypedObject::init_type(); 00052 register_type(_type_handle, "EggBackPointer", 00053 TypedObject::get_class_type()); 00054 } 00055 virtual TypeHandle get_type() const { 00056 return get_class_type(); 00057 } 00058 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00059 00060 private: 00061 static TypeHandle _type_handle; 00062 }; 00063 00064 #endif 00065 00066