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1 #ifndef PSYSPP_H_
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2 #define PSYSPP_H_
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3
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4 #include "xform_node.h"
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5 #include "texture.h"
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6 #include <psys/psys.h>
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7
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8 class ParticleSystemAttributes {
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9 private:
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10 Texture *tex;
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11 psys_attributes *psattr;
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12 bool own_psattr;
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13
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14 public:
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15 ParticleSystemAttributes();
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16 ParticleSystemAttributes(psys_attributes *psattr);
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17 ~ParticleSystemAttributes();
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18
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19 ParticleSystemAttributes(const ParticleSystemAttributes &rhs);
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20 ParticleSystemAttributes &operator =(const ParticleSystemAttributes &rhs);
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21
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22 bool load(const char *fname);
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23 bool load(FILE *fp);
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24 bool save(const char *fname) const;
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25 bool save(FILE *fp) const;
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26
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27 // particle attributes
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28 void set_part_color(const Vector3 &color, float t = 0);
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29 void set_part_alpha(float alpha, float t = 0);
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30 void set_part_scale(float size, float t = 0);
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31
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32 // emmiter attributes
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33 void set_texture(Texture *tex);
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34 Texture *get_texture() const;
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35
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36 void set_spawn_range(const Vector3 &range, long tm = 0);
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37
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38 void set_spawn_rate(float rate, long tm = 0);
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39 float get_spawn_rate(long tm = 0) const;
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40
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41 void set_life(float life, float range = 0.0, long tm = 0);
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42 void set_size(float sz, float range = 0.0, long tm = 0);
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43 void set_spawn_dir(const Vector3 &dir, const Vector3 &range = Vector3(0, 0, 0), long tm = 0);
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44
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45 void set_gravity(const Vector3 &grav, long tm = 0);
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46 void set_drag(float drag);
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47
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48 void set_particle_limit(int lim);
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49 };
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50
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51 class ParticleSystem : public XFormNode {
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52 private:
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53 psys_emitter psys;
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54 ParticleSystemAttributes attr;
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55
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56 long start_time; // subtracted from all time calculations
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57 long last_upd_time;
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58
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59 public:
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60 ParticleSystem();
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61 ~ParticleSystem();
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62
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63 void set_start_time(long tm);
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64
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65 bool is_active() const;
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66
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67 ParticleSystemAttributes *get_attr();
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68 const ParticleSystemAttributes *get_attr() const;
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69
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70 void set_attr(const ParticleSystemAttributes &pattr);
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71
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72 bool load(const char *fname);
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73 bool save(const char *fname) const;
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74
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75 void update(long tm);
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76 void draw() const;
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77 };
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78
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79 #endif // PSYSPP_H_
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