Panda3D
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00001 // Filename: eggCompositePrimitive.h 00002 // Created by: drose (13Mar05) 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 EGGCOMPOSITEPRIMITIVE_H 00016 #define EGGCOMPOSITEPRIMITIVE_H 00017 00018 #include "pandabase.h" 00019 00020 #include "eggPrimitive.h" 00021 00022 //////////////////////////////////////////////////////////////////// 00023 // Class : EggCompositePrimitive 00024 // Description : The base class for primitives such as triangle strips 00025 // and triangle fans, which include several component 00026 // triangles, each of which might have its own color 00027 // and/or normal. 00028 //////////////////////////////////////////////////////////////////// 00029 class EXPCL_PANDAEGG EggCompositePrimitive : public EggPrimitive { 00030 PUBLISHED: 00031 INLINE EggCompositePrimitive(const string &name = ""); 00032 INLINE EggCompositePrimitive(const EggCompositePrimitive ©); 00033 INLINE EggCompositePrimitive &operator = (const EggCompositePrimitive ©); 00034 virtual ~EggCompositePrimitive(); 00035 00036 virtual Shading get_shading() const; 00037 00038 INLINE int get_num_components() const; 00039 INLINE const EggAttributes *get_component(int i) const; 00040 INLINE EggAttributes *get_component(int i); 00041 MAKE_SEQ(get_components, get_num_components, get_component); 00042 INLINE void set_component(int i, const EggAttributes *attrib); 00043 00044 INLINE bool triangulate_into(EggGroupNode *container) const; 00045 PT(EggCompositePrimitive) triangulate_in_place(); 00046 00047 virtual void unify_attributes(Shading shading); 00048 virtual void apply_last_attribute(); 00049 virtual void apply_first_attribute(); 00050 virtual void post_apply_flat_attribute(); 00051 virtual bool cleanup(); 00052 00053 protected: 00054 virtual int get_num_lead_vertices() const=0; 00055 virtual void prepare_add_vertex(EggVertex *vertex, int i, int n); 00056 virtual void prepare_remove_vertex(EggVertex *vertex, int i, int n); 00057 00058 virtual bool do_triangulate(EggGroupNode *container) const; 00059 00060 void write_body(ostream &out, int indent_level) const; 00061 00062 private: 00063 typedef pvector<EggAttributes *> Components; 00064 Components _components; 00065 00066 public: 00067 00068 static TypeHandle get_class_type() { 00069 return _type_handle; 00070 } 00071 static void init_type() { 00072 EggPrimitive::init_type(); 00073 register_type(_type_handle, "EggCompositePrimitive", 00074 EggPrimitive::get_class_type()); 00075 } 00076 virtual TypeHandle get_type() const { 00077 return get_class_type(); 00078 } 00079 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00080 00081 private: 00082 static TypeHandle _type_handle; 00083 00084 }; 00085 00086 #include "eggCompositePrimitive.I" 00087 00088 #endif