Panda3D
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00001 // Filename: camera.h 00002 // Created by: drose (26Feb02) 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 CAMERA_H 00016 #define CAMERA_H 00017 00018 #include "pandabase.h" 00019 00020 #include "lensNode.h" 00021 #include "perspectiveLens.h" 00022 #include "nodePath.h" 00023 #include "weakNodePath.h" 00024 #include "drawMask.h" 00025 #include "renderState.h" 00026 #include "pointerTo.h" 00027 #include "pmap.h" 00028 #include "auxSceneData.h" 00029 #include "displayRegionBase.h" 00030 00031 //////////////////////////////////////////////////////////////////// 00032 // Class : Camera 00033 // Description : A node that can be positioned around in the scene 00034 // graph to represent a point of view for rendering a 00035 // scene. 00036 //////////////////////////////////////////////////////////////////// 00037 class EXPCL_PANDA_PGRAPH Camera : public LensNode { 00038 PUBLISHED: 00039 Camera(const string &name, Lens *lens = new PerspectiveLens()); 00040 Camera(const Camera ©); 00041 00042 public: 00043 virtual ~Camera(); 00044 00045 virtual PandaNode *make_copy() const; 00046 virtual bool safe_to_flatten() const; 00047 virtual bool safe_to_transform() const; 00048 00049 PUBLISHED: 00050 INLINE void set_active(bool active); 00051 INLINE bool is_active() const; 00052 00053 INLINE void set_scene(const NodePath &scene); 00054 INLINE const NodePath &get_scene() const; 00055 00056 INLINE int get_num_display_regions() const; 00057 INLINE DisplayRegionBase *get_display_region(int n) const; 00058 MAKE_SEQ(get_display_regions, get_num_display_regions, get_display_region); 00059 00060 INLINE void set_camera_mask(DrawMask mask); 00061 INLINE DrawMask get_camera_mask() const; 00062 00063 INLINE void set_cull_center(const NodePath &cull_center); 00064 INLINE const NodePath &get_cull_center() const; 00065 00066 INLINE void set_cull_bounds(BoundingVolume *cull_bounds); 00067 INLINE BoundingVolume *get_cull_bounds() const; 00068 00069 INLINE void set_lod_center(const NodePath &lod_center); 00070 INLINE const NodePath &get_lod_center() const; 00071 00072 INLINE void set_initial_state(const RenderState *state); 00073 INLINE CPT(RenderState) get_initial_state() const; 00074 00075 INLINE void set_tag_state_key(const string &tag_state_key); 00076 INLINE const string &get_tag_state_key() const; 00077 00078 void set_tag_state(const string &tag_state, const RenderState *state); 00079 void clear_tag_state(const string &tag_state); 00080 bool has_tag_state(const string &tag_state) const; 00081 CPT(RenderState) get_tag_state(const string &tag_state) const; 00082 00083 void set_aux_scene_data(const NodePath &node_path, AuxSceneData *data); 00084 bool clear_aux_scene_data(const NodePath &node_path); 00085 AuxSceneData *get_aux_scene_data(const NodePath &node_path) const; 00086 void list_aux_scene_data(ostream &out) const; 00087 int cleanup_aux_scene_data(Thread *current_thread = Thread::get_current_thread()); 00088 00089 private: 00090 void add_display_region(DisplayRegionBase *display_region); 00091 void remove_display_region(DisplayRegionBase *display_region); 00092 00093 bool _active; 00094 NodePath _scene; 00095 NodePath _cull_center; 00096 PT(BoundingVolume) _cull_bounds; 00097 NodePath _lod_center; 00098 00099 DrawMask _camera_mask; 00100 00101 typedef pvector<DisplayRegionBase *> DisplayRegions; 00102 DisplayRegions _display_regions; 00103 00104 CPT(RenderState) _initial_state; 00105 string _tag_state_key; 00106 00107 typedef pmap<string, CPT(RenderState) > TagStates; 00108 TagStates _tag_states; 00109 00110 typedef pmap<NodePath, PT(AuxSceneData) > AuxData; 00111 AuxData _aux_data; 00112 00113 public: 00114 static void register_with_read_factory(); 00115 virtual void write_datagram(BamWriter *manager, Datagram &dg); 00116 00117 protected: 00118 static TypedWritable *make_from_bam(const FactoryParams ¶ms); 00119 void fillin(DatagramIterator &scan, BamReader *manager); 00120 00121 public: 00122 static TypeHandle get_class_type() { 00123 return _type_handle; 00124 } 00125 static void init_type() { 00126 LensNode::init_type(); 00127 register_type(_type_handle, "Camera", 00128 LensNode::get_class_type()); 00129 } 00130 virtual TypeHandle get_type() const { 00131 return get_class_type(); 00132 } 00133 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00134 00135 private: 00136 static TypeHandle _type_handle; 00137 00138 friend class DisplayRegion; 00139 }; 00140 00141 #include "camera.I" 00142 00143 #endif