Panda3D
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00001 // Filename: polylightEffect.h 00002 // Created by: sshodhan (01Jun04) 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 POLYLIGHTEFFECT_H 00016 #define POLYLIGHTEFFECT_H 00017 00018 #include "pandabase.h" 00019 00020 00021 #include "renderEffect.h" 00022 #include "luse.h" 00023 #include "nodePath.h" 00024 #include "polylightNode.h" 00025 #include "pmap.h" 00026 #include "pnotify.h" 00027 #include "sceneSetup.h" 00028 00029 00030 //////////////////////////////////////////////////////////////////// 00031 // Class : PolylightEffect 00032 // Description : A PolylightEffect can be used on a node to define a 00033 // LightGroup for that node. A LightGroup contains 00034 // PolylightNodes which are essentially nodes that add 00035 // color to the polygons of a model based on distance. 00036 // PolylightNode is a cheap way to get lighting effects 00037 // specially for night scenes 00038 //////////////////////////////////////////////////////////////////// 00039 class EXPCL_PANDA_PGRAPH PolylightEffect : public RenderEffect { 00040 PUBLISHED: 00041 enum ContribType { 00042 CT_proximal, 00043 CT_all, 00044 }; 00045 00046 typedef pvector< NodePath > LightGroup; 00047 00048 protected: 00049 INLINE PolylightEffect(); 00050 INLINE PolylightEffect(const PolylightEffect ©); 00051 00052 PUBLISHED: 00053 static CPT(RenderEffect) make(); 00054 static CPT(RenderEffect) make(PN_stdfloat weight, ContribType contrib, const LPoint3 &effect_center); 00055 static CPT(RenderEffect) make(PN_stdfloat weight, ContribType contrib, const LPoint3 &effect_center, const LightGroup &lights); 00056 CPT(RenderEffect) add_light(const NodePath &newlight) const; 00057 CPT(RenderEffect) remove_light(const NodePath &newlight) const; 00058 CPT(RenderEffect) set_weight(PN_stdfloat w) const; 00059 CPT(RenderEffect) set_contrib(ContribType c) const; 00060 CPT(RenderEffect) set_effect_center(const LPoint3 &ec) const; 00061 INLINE PN_stdfloat get_weight() const; 00062 INLINE ContribType get_contrib() const; 00063 INLINE LPoint3 get_effect_center()const; 00064 00065 bool has_light(const NodePath &light) const; 00066 00067 public: 00068 virtual bool has_cull_callback() const; 00069 virtual void cull_callback(CullTraverser *trav, CullTraverserData &data, 00070 CPT(TransformState) &node_transform, 00071 CPT(RenderState) &node_state) const; 00072 00073 CPT(RenderAttrib) do_poly_light(const SceneSetup *scene, const CullTraverserData *data, const TransformState *node_transform) const; 00074 //CPT(RenderAttrib) do_poly_light(const NodePath &root, const CullTraverserData *data, const TransformState *node_transform) const; 00075 00076 virtual void output(ostream &out) const; 00077 00078 private: 00079 ContribType _contribution_type; 00080 PN_stdfloat _weight; 00081 LightGroup _lightgroup; 00082 LPoint3 _effect_center; 00083 00084 protected: 00085 virtual int compare_to_impl(const RenderEffect *other) const; 00086 00087 public: 00088 static TypeHandle get_class_type() { 00089 return _type_handle; 00090 } 00091 static void init_type() { 00092 RenderEffect::init_type(); 00093 register_type(_type_handle, "PolylightEffect", 00094 RenderEffect::get_class_type()); 00095 } 00096 virtual TypeHandle get_type() const { 00097 return get_class_type(); 00098 } 00099 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00100 00101 private: 00102 static TypeHandle _type_handle; 00103 }; 00104 00105 #include "polylightEffect.I" 00106 00107 ostream &operator << (ostream &out, PolylightEffect::ContribType ct); 00108 00109 #endif 00110 00111 00112