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00015 #ifndef NDEBUG
00016
00017 #endif
00018
00019
00020
00021 #ifndef PARTICLESYSTEM_H
00022 #define PARTICLESYSTEM_H
00023
00024 #include "pandabase.h"
00025 #include "pointerTo.h"
00026 #include "physical.h"
00027 #include "pandaNode.h"
00028 #include "referenceCount.h"
00029 #include "pdeque.h"
00030 #include "pStatTimer.h"
00031 #include "baseParticle.h"
00032 #include "baseParticleRenderer.h"
00033 #include "baseParticleEmitter.h"
00034 #include "baseParticleFactory.h"
00035
00036 class ParticleSystemManager;
00037
00038
00039
00040
00041
00042 class EXPCL_PANDAPHYSICS ParticleSystem : public Physical {
00043 PUBLISHED:
00044
00045
00046 ParticleSystem(int pool_size = 0);
00047 ParticleSystem(const ParticleSystem& copy);
00048 ~ParticleSystem();
00049
00050
00051 INLINE void set_pool_size(int size);
00052 INLINE void set_birth_rate(PN_stdfloat new_br);
00053 INLINE void set_soft_birth_rate(PN_stdfloat new_br);
00054 INLINE void set_litter_size(int new_ls);
00055 INLINE void set_litter_spread(int new_ls);
00056 INLINE void set_local_velocity_flag(bool lv);
00057 INLINE void set_system_grows_older_flag(bool sgo);
00058 INLINE void set_system_lifespan(PN_stdfloat sl);
00059 INLINE void set_system_age(PN_stdfloat age);
00060 INLINE void set_active_system_flag(bool a);
00061 INLINE void set_spawn_on_death_flag(bool sod);
00062 INLINE void set_spawn_render_node(PandaNode *node);
00063 INLINE void set_spawn_render_node_path(const NodePath &node);
00064 INLINE void set_template_system_flag(bool tsf);
00065 INLINE void set_render_parent(PandaNode *node);
00066 INLINE void set_render_parent(const NodePath &node);
00067 INLINE void set_renderer(BaseParticleRenderer *r);
00068 INLINE void set_emitter(BaseParticleEmitter *e);
00069 INLINE void set_factory(BaseParticleFactory *f);
00070 INLINE void set_floor_z(PN_stdfloat z);
00071
00072 INLINE void clear_floor_z();
00073
00074 INLINE int get_pool_size() const;
00075 INLINE PN_stdfloat get_birth_rate() const;
00076 INLINE PN_stdfloat get_soft_birth_rate() const;
00077 INLINE int get_litter_size() const;
00078 INLINE int get_litter_spread() const;
00079 INLINE bool get_local_velocity_flag() const;
00080 INLINE bool get_system_grows_older_flag() const;
00081 INLINE PN_stdfloat get_system_lifespan() const;
00082 INLINE PN_stdfloat get_system_age() const;
00083 INLINE bool get_active_system_flag() const;
00084 INLINE bool get_spawn_on_death_flag() const;
00085 INLINE PandaNode *get_spawn_render_node() const;
00086 INLINE NodePath get_spawn_render_node_path() const;
00087 INLINE bool get_i_was_spawned_flag() const;
00088 INLINE int get_living_particles() const;
00089 INLINE NodePath get_render_parent() const;
00090 INLINE BaseParticleRenderer *get_renderer() const;
00091 INLINE BaseParticleEmitter *get_emitter() const;
00092 INLINE BaseParticleFactory *get_factory() const;
00093 INLINE PN_stdfloat get_floor_z() const;
00094
00095
00096
00097 INLINE void add_spawn_template(ParticleSystem *ps);
00098 INLINE void clear_spawn_templates();
00099
00100
00101
00102 INLINE void render();
00103 INLINE void induce_labor();
00104 INLINE void clear_to_initial();
00105 INLINE void soft_stop(PN_stdfloat br = 0.0);
00106 INLINE void soft_start(PN_stdfloat br = 0.0);
00107 void update(PN_stdfloat dt);
00108
00109 virtual void output(ostream &out) const;
00110 virtual void write_free_particle_fifo(ostream &out, int indent=0) const;
00111 virtual void write_spawn_templates(ostream &out, int indent=0) const;
00112 virtual void write(ostream &out, int indent=0) const;
00113
00114 private:
00115 #ifdef PSSANITYCHECK
00116 int sanity_check();
00117 #endif
00118
00119 bool birth_particle();
00120 void kill_particle(int pool_index);
00121 void birth_litter();
00122 void resize_pool(int size);
00123
00124 pdeque< int > _free_particle_fifo;
00125
00126 int _particle_pool_size;
00127 int _living_particles;
00128 PN_stdfloat _cur_birth_rate;
00129 PN_stdfloat _birth_rate;
00130 PN_stdfloat _soft_birth_rate;
00131 PN_stdfloat _tics_since_birth;
00132 int _litter_size;
00133 int _litter_spread;
00134 PN_stdfloat _system_age;
00135 PN_stdfloat _system_lifespan;
00136 PN_stdfloat _floor_z;
00137
00138 PT(BaseParticleFactory) _factory;
00139 PT(BaseParticleEmitter) _emitter;
00140 PT(BaseParticleRenderer) _renderer;
00141 ParticleSystemManager *_manager;
00142
00143 bool _template_system_flag;
00144
00145
00146
00147
00148 NodePath _render_parent;
00149 NodePath _render_node_path;
00150
00151 bool _active_system_flag;
00152 bool _local_velocity_flag;
00153 bool _system_grows_older_flag;
00154
00155
00156
00157 bool _spawn_on_death_flag;
00158 NodePath _spawn_render_node_path;
00159 pvector< PT(ParticleSystem) > _spawn_templates;
00160
00161 void spawn_child_system(BaseParticle *bp);
00162
00163
00164 bool _i_was_spawned_flag;
00165
00166 public:
00167 static TypeHandle get_class_type() {
00168 return _type_handle;
00169 }
00170 static void init_type() {
00171 Physical::init_type();
00172 register_type(_type_handle, "ParticleSystem",
00173 Physical::get_class_type());
00174 }
00175 virtual TypeHandle get_type() const {
00176 return get_class_type();
00177 }
00178 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00179
00180 private:
00181 static TypeHandle _type_handle;
00182
00183 friend class ParticleSystemManager;
00184
00185 static PStatCollector _update_collector;
00186 };
00187
00188 #include "particleSystem.I"
00189
00190 #endif // PARTICLESYSTEM_H
00191