Panda3D
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00001 // Filename: internalName.h 00002 // Created by: drose (15Jul04) 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 INTERNALNAME_H 00016 #define INTERNALNAME_H 00017 00018 #include "pandabase.h" 00019 00020 #include "typedWritableReferenceCount.h" 00021 #include "pointerTo.h" 00022 #include "pmap.h" 00023 #include "lightMutex.h" 00024 00025 class FactoryParams; 00026 00027 //////////////////////////////////////////////////////////////////// 00028 // Class : InternalName 00029 // Description : Encodes a string name in a hash table, mapping it to 00030 // a pointer. This is used to tokenify names so they 00031 // may be used efficiently in low-level Panda 00032 // structures, for instance to differentiate the 00033 // multiple sets of texture coordinates that might be 00034 // stored on a Geom. 00035 // 00036 // InternalNames are hierarchical, with the '.' used by 00037 // convention as a separator character. You can 00038 // construct a single InternalName as a composition of 00039 // one or more other names, or by giving it a source 00040 // string directly. 00041 //////////////////////////////////////////////////////////////////// 00042 class EXPCL_PANDA_GOBJ InternalName : public TypedWritableReferenceCount { 00043 private: 00044 InternalName(InternalName *parent, const string &basename); 00045 00046 PUBLISHED: 00047 virtual ~InternalName(); 00048 virtual bool unref() const; 00049 00050 INLINE static PT(InternalName) make(const string &name); 00051 static PT(InternalName) make(const string &name, int index); 00052 PT(InternalName) append(const string &basename); 00053 00054 INLINE InternalName *get_parent() const; 00055 string get_name() const; 00056 INLINE const string &get_basename() const; 00057 00058 int find_ancestor(const string &basename) const; 00059 const InternalName *get_ancestor(int n) const; 00060 const InternalName *get_top() const; 00061 string get_net_basename(int n) const; 00062 00063 void output(ostream &out) const; 00064 00065 // Some predefined built-in names. 00066 INLINE static PT(InternalName) get_root(); 00067 INLINE static PT(InternalName) get_error(); 00068 INLINE static PT(InternalName) get_vertex(); 00069 INLINE static PT(InternalName) get_normal(); 00070 INLINE static PT(InternalName) get_tangent(); 00071 INLINE static PT(InternalName) get_tangent_name(const string &name); 00072 INLINE static PT(InternalName) get_binormal(); 00073 INLINE static PT(InternalName) get_binormal_name(const string &name); 00074 INLINE static PT(InternalName) get_texcoord(); 00075 INLINE static PT(InternalName) get_texcoord_name(const string &name); 00076 INLINE static PT(InternalName) get_color(); 00077 INLINE static PT(InternalName) get_rotate(); 00078 INLINE static PT(InternalName) get_size(); 00079 INLINE static PT(InternalName) get_aspect_ratio(); 00080 INLINE static PT(InternalName) get_transform_blend(); 00081 INLINE static PT(InternalName) get_transform_weight(); 00082 INLINE static PT(InternalName) get_transform_index(); 00083 INLINE static PT(InternalName) get_morph(InternalName *column, const string &slider); 00084 INLINE static PT(InternalName) get_index(); 00085 INLINE static PT(InternalName) get_world(); 00086 INLINE static PT(InternalName) get_camera(); 00087 INLINE static PT(InternalName) get_model(); 00088 INLINE static PT(InternalName) get_view(); 00089 00090 private: 00091 PT(InternalName) _parent; 00092 string _basename; 00093 00094 typedef phash_map<string, InternalName *, string_hash> NameTable; 00095 NameTable _name_table; 00096 LightMutex _name_table_lock; 00097 00098 static PT(InternalName) _root; 00099 static PT(InternalName) _error; 00100 static PT(InternalName) _default; 00101 static PT(InternalName) _vertex; 00102 static PT(InternalName) _normal; 00103 static PT(InternalName) _tangent; 00104 static PT(InternalName) _binormal; 00105 static PT(InternalName) _texcoord; 00106 static PT(InternalName) _color; 00107 static PT(InternalName) _rotate; 00108 static PT(InternalName) _size; 00109 static PT(InternalName) _aspect_ratio; 00110 static PT(InternalName) _transform_blend; 00111 static PT(InternalName) _transform_weight; 00112 static PT(InternalName) _transform_index; 00113 static PT(InternalName) _index; 00114 static PT(InternalName) _world; 00115 static PT(InternalName) _camera; 00116 static PT(InternalName) _model; 00117 static PT(InternalName) _view; 00118 00119 public: 00120 // Datagram stuff 00121 static void register_with_read_factory(); 00122 virtual void write_datagram(BamWriter *manager, Datagram &me); 00123 00124 virtual void finalize(BamReader *manager); 00125 00126 protected: 00127 static TypedWritable *make_from_bam(const FactoryParams ¶ms); 00128 static TypedWritable *make_texcoord_from_bam(const FactoryParams ¶ms); 00129 00130 public: 00131 static TypeHandle get_class_type() { 00132 return _type_handle; 00133 } 00134 static void init_type() { 00135 TypedWritableReferenceCount::init_type(); 00136 register_type(_type_handle, "InternalName", 00137 TypedWritableReferenceCount::get_class_type()); 00138 // The _texcoord_type_handle is defined only to support older bam 00139 // files, generated before we renamed the type to InternalName. 00140 register_type(_texcoord_type_handle, "TexCoordName", 00141 TypedWritableReferenceCount::get_class_type()); 00142 } 00143 virtual TypeHandle get_type() const { 00144 return get_class_type(); 00145 } 00146 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00147 00148 private: 00149 static TypeHandle _type_handle; 00150 static TypeHandle _texcoord_type_handle; 00151 }; 00152 00153 INLINE ostream &operator << (ostream &out, const InternalName &tcn); 00154 00155 #include "internalName.I" 00156 00157 #endif 00158 00159 00160