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00015 #ifndef LIGHTATTRIB_H
00016 #define LIGHTATTRIB_H
00017
00018 #include "pandabase.h"
00019
00020 #include "light.h"
00021 #include "renderAttrib.h"
00022 #include "nodePath.h"
00023 #include "ordered_vector.h"
00024 #include "pmap.h"
00025
00026
00027
00028
00029
00030
00031
00032
00033 class EXPCL_PANDA_PGRAPH LightAttrib : public RenderAttrib {
00034 protected:
00035 INLINE LightAttrib();
00036 INLINE LightAttrib(const LightAttrib ©);
00037
00038 PUBLISHED:
00039
00040
00041
00042
00043 enum Operation {
00044 O_set,
00045 O_add,
00046 O_remove
00047 };
00048 static CPT(RenderAttrib) make(Operation op,
00049 Light *light);
00050 static CPT(RenderAttrib) make(Operation op,
00051 Light *light1, Light *light2);
00052 static CPT(RenderAttrib) make(Operation op,
00053 Light *light1, Light *light2,
00054 Light *light3);
00055 static CPT(RenderAttrib) make(Operation op,
00056 Light *light1, Light *light2,
00057 Light *light3, Light *light4);
00058 static CPT(RenderAttrib) make_default();
00059
00060 Operation get_operation() const;
00061
00062 int get_num_lights() const;
00063 Light *get_light(int n) const;
00064 bool has_light(Light *light) const;
00065
00066 CPT(RenderAttrib) add_light(Light *light) const;
00067 CPT(RenderAttrib) remove_light(Light *light) const;
00068
00069
00070
00071
00072 static CPT(RenderAttrib) make();
00073 static CPT(RenderAttrib) make_all_off();
00074
00075 INLINE int get_num_on_lights() const;
00076 INLINE NodePath get_on_light(int n) const;
00077 MAKE_SEQ(get_on_lights, get_num_on_lights, get_on_light);
00078 INLINE bool has_on_light(const NodePath &light) const;
00079
00080 INLINE int get_num_off_lights() const;
00081 INLINE NodePath get_off_light(int n) const;
00082 MAKE_SEQ(get_off_lights, get_num_off_lights, get_off_light);
00083 INLINE bool has_off_light(const NodePath &light) const;
00084 INLINE bool has_all_off() const;
00085
00086 INLINE bool is_identity() const;
00087
00088 CPT(RenderAttrib) add_on_light(const NodePath &light) const;
00089 CPT(RenderAttrib) remove_on_light(const NodePath &light) const;
00090 CPT(RenderAttrib) add_off_light(const NodePath &light) const;
00091 CPT(RenderAttrib) remove_off_light(const NodePath &light) const;
00092
00093 CPT(LightAttrib) filter_to_max(int max_lights) const;
00094 NodePath get_most_important_light() const;
00095
00096 public:
00097 virtual void output(ostream &out) const;
00098 virtual void write(ostream &out, int indent_level) const;
00099
00100 protected:
00101 virtual int compare_to_impl(const RenderAttrib *other) const;
00102 virtual size_t get_hash_impl() const;
00103 virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
00104 virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
00105 virtual CPT(RenderAttrib) get_auto_shader_attrib_impl(const RenderState *state) const;
00106
00107 private:
00108 INLINE void check_filtered() const;
00109 void sort_on_lights();
00110
00111 private:
00112 typedef ov_set<NodePath> Lights;
00113 Lights _on_lights, _off_lights;
00114 bool _off_all_lights;
00115
00116 typedef pmap< int, CPT(LightAttrib) > Filtered;
00117 Filtered _filtered;
00118
00119 UpdateSeq _sort_seq;
00120
00121 static CPT(RenderAttrib) _empty_attrib;
00122 static CPT(RenderAttrib) _all_off_attrib;
00123
00124 PUBLISHED:
00125 static int get_class_slot() {
00126 return _attrib_slot;
00127 }
00128 virtual int get_slot() const {
00129 return get_class_slot();
00130 }
00131
00132 public:
00133
00134 typedef pvector<PT(PandaNode) > NodeList;
00135 class BamAuxData : public BamReader::AuxData {
00136 public:
00137
00138
00139
00140 int _num_off_lights;
00141 int _num_on_lights;
00142 NodeList _off_list;
00143 NodeList _on_list;
00144 };
00145
00146 public:
00147 static void register_with_read_factory();
00148 virtual void write_datagram(BamWriter *manager, Datagram &dg);
00149 virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
00150
00151 virtual void finalize(BamReader *manager);
00152
00153 protected:
00154 static TypedWritable *make_from_bam(const FactoryParams ¶ms);
00155 void fillin(DatagramIterator &scan, BamReader *manager);
00156
00157 public:
00158 static TypeHandle get_class_type() {
00159 return _type_handle;
00160 }
00161 static void init_type() {
00162 RenderAttrib::init_type();
00163 register_type(_type_handle, "LightAttrib",
00164 RenderAttrib::get_class_type());
00165 _attrib_slot = register_slot(_type_handle, 20, make_default);
00166 }
00167 virtual TypeHandle get_type() const {
00168 return get_class_type();
00169 }
00170 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00171
00172 private:
00173 static TypeHandle _type_handle;
00174 static int _attrib_slot;
00175 };
00176
00177 #include "lightAttrib.I"
00178
00179 #endif
00180