Panda3D

loaderFileType.h

00001 // Filename: loaderFileType.h
00002 // Created by:  drose (20Jun00)
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 LOADERFILETYPE_H
00016 #define LOADERFILETYPE_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "typedObject.h"
00021 #include "filename.h"
00022 #include "pandaNode.h"
00023 #include "pointerTo.h"
00024 #include "dSearchPath.h"
00025 
00026 class LoaderOptions;
00027 class BamCacheRecord;
00028 
00029 ////////////////////////////////////////////////////////////////////
00030 //       Class : LoaderFileType
00031 // Description : This is the base class for a family of scene-graph
00032 //               file types that the Loader supports.  Each kind of
00033 //               loader that's available should define a corresponding
00034 //               LoaderFileType object and register itself.
00035 ////////////////////////////////////////////////////////////////////
00036 class EXPCL_PANDA_PGRAPH LoaderFileType : public TypedObject {
00037 protected:
00038   LoaderFileType();
00039 
00040 public:
00041   virtual ~LoaderFileType();
00042 
00043 PUBLISHED:
00044   virtual string get_name() const=0;
00045   virtual string get_extension() const=0;
00046   virtual string get_additional_extensions() const;
00047   virtual bool supports_compressed() const;
00048 
00049   virtual bool get_allow_disk_cache(const LoaderOptions &options) const;
00050   virtual bool get_allow_ram_cache(const LoaderOptions &options) const;
00051 
00052 public:
00053   virtual PT(PandaNode) load_file(const Filename &path, const LoaderOptions &options,
00054                                   BamCacheRecord *record) const;
00055 
00056 protected:
00057   int _no_cache_flags;
00058 
00059 public:
00060   static TypeHandle get_class_type() {
00061     return _type_handle;
00062   }
00063   static void init_type() {
00064     TypedObject::init_type();
00065     register_type(_type_handle, "LoaderFileType",
00066                   TypedObject::get_class_type());
00067   }
00068   virtual TypeHandle get_type() const {
00069     return get_class_type();
00070   }
00071   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00072 
00073 private:
00074   static TypeHandle _type_handle;
00075 };
00076 
00077 #endif
00078 
 All Classes Functions Variables Enumerations