Open Source Tomb Raider Engine
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  1. /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: t; c-basic-offset: 3 -*- */
  2. /*================================================================
  3. *
  4. * Project : Freyja
  5. * Author : Terry 'Mongoose' Hendrix II
  6. * Website : http://www.westga.edu/~stu7440/
  7. * Email : stu7440@westga.edu
  8. * Object : Emitter
  9. * License : No use w/o permission (C)2001Mongoose
  10. * Comments: Particle emitter for freyja
  11. *
  12. *
  13. * This file was generated using Mongoose's C++
  14. * template generator script. <stu7440@westga.edu>
  15. *
  16. *-- History ------------------------------------------------
  17. *
  18. * 2001.08.13:
  19. * Mongoose - Now using new Particle class!
  20. *
  21. * 2001.06.30:
  22. * Mongoose - Created
  23. ================================================================*/
  24. #ifndef _EMITTER_H_
  25. #define _EMITTER_H_
  26. #include <Particle.h>
  27. class Emitter
  28. {
  29. public:
  30. typedef enum
  31. {
  32. fUseFrustumCulling = 1,
  33. fUseDepthSorting = 2
  34. } EmitterFlags;
  35. Emitter(const char *name, int n);
  36. /*------------------------------------------------------
  37. * Pre : name is a valid C string
  38. * n is a number greater than 0
  39. *
  40. * Post : Constructs an object of Emitter
  41. *
  42. *-- History ------------------------------------------
  43. *
  44. * 2001.06.30:
  45. * Mongoose - Created
  46. ------------------------------------------------------*/
  47. ~Emitter();
  48. /*------------------------------------------------------
  49. * Pre : Emitter object is allocated
  50. * Post : Deconstructs an object of Emitter
  51. *
  52. *-- History ------------------------------------------
  53. *
  54. * 2001.06.30:
  55. * Mongoose - Created
  56. ------------------------------------------------------*/
  57. Particle *Particles();
  58. /*------------------------------------------------------
  59. * Pre :
  60. * Post : Returns particle array
  61. *
  62. *-- History ------------------------------------------
  63. *
  64. * 2001.08.14:
  65. * Mongoose - Created
  66. ------------------------------------------------------*/
  67. int Count();
  68. /*------------------------------------------------------
  69. * Pre :
  70. * Post : Returns number of particles emitted
  71. *
  72. *-- History ------------------------------------------
  73. *
  74. * 2001.08.14:
  75. * Mongoose - Created
  76. ------------------------------------------------------*/
  77. void Pos(float x, float y, float z);
  78. /*------------------------------------------------------
  79. * Pre : x,y,z exist
  80. * Post : Sets position of emitter in 3 space
  81. *
  82. *-- History ------------------------------------------
  83. *
  84. * 2001.08.13:
  85. * Mongoose - Created
  86. ------------------------------------------------------*/
  87. void Pos(float *x, float *y, float *z);
  88. /*------------------------------------------------------
  89. * Pre : x,y,z exist
  90. * Post : Returns position of emitter in 3 space
  91. *
  92. *-- History ------------------------------------------
  93. *
  94. * 2001.08.13:
  95. * Mongoose - Created
  96. ------------------------------------------------------*/
  97. void Orientation(float x, float y, float z);
  98. /*------------------------------------------------------
  99. * Pre : x,y,z exist
  100. * Post : Sets orientation of emitter in 3 space
  101. *
  102. *-- History ------------------------------------------
  103. *
  104. * 2001.08.13:
  105. * Mongoose - Created
  106. ------------------------------------------------------*/
  107. void Orientation(float *x, float *y, float *z);
  108. /*------------------------------------------------------
  109. * Pre : x,y,z exist
  110. * Post : Returns orientation of emitter in 3 space
  111. *
  112. *-- History ------------------------------------------
  113. *
  114. * 2001.08.13:
  115. * Mongoose - Created
  116. ------------------------------------------------------*/
  117. unsigned int Flags();
  118. /*------------------------------------------------------
  119. * Pre :
  120. * Post : Returns emitter flags
  121. *
  122. *-- History ------------------------------------------
  123. *
  124. * 2001.08.14:
  125. * Mongoose - Created
  126. ------------------------------------------------------*/
  127. void Flags(unsigned int flag, bool op);
  128. /*------------------------------------------------------
  129. * Pre :
  130. * Post : Set and Unset flag with op
  131. *
  132. * true - set
  133. * flase - unset
  134. *
  135. *-- History ------------------------------------------
  136. *
  137. * 2001.08.14:
  138. * Mongoose - Created
  139. ------------------------------------------------------*/
  140. void ParticleArray(int n);
  141. /*------------------------------------------------------
  142. * Pre : n is a number greater than 0
  143. * Post : Allocates the particle array and sets the count.
  144. * If the array has been allocated previously, then
  145. * the array is deallocated and a new one made.
  146. *
  147. *
  148. *-- History ------------------------------------------
  149. *
  150. * 2001.08.13:
  151. * Mongoose - Created
  152. ------------------------------------------------------*/
  153. void Draw();
  154. /*------------------------------------------------------
  155. * Pre :
  156. * Post : Renders particles
  157. *
  158. *-- History ------------------------------------------
  159. *
  160. * 2001.06.30:
  161. * Mongoose - Created
  162. ------------------------------------------------------*/
  163. void Name(const char *name);
  164. /*------------------------------------------------------
  165. * Pre : name is a valid C string
  166. * Post : Sets the emitters name
  167. *
  168. *-- History ------------------------------------------
  169. *
  170. * 2001.08.13:
  171. * Mongoose - Created
  172. ------------------------------------------------------*/
  173. void SetTextureId(int id);
  174. /*------------------------------------------------------
  175. * Pre :
  176. * Post : Resets all particle texture ids
  177. *
  178. *-- History ------------------------------------------
  179. *
  180. * 2001.08.13:
  181. * Mongoose - Created
  182. ------------------------------------------------------*/
  183. void TextureId(unsigned int particle_start, unsigned int particle_end,
  184. int id);
  185. /*------------------------------------------------------
  186. * Pre : particle_start and particle_end are a valid
  187. * range of particles in the array
  188. *
  189. * id is a valid texture id
  190. *
  191. * Post :
  192. *
  193. *-- History ------------------------------------------
  194. *
  195. * 2001.08.14:
  196. * Mongoose - Created
  197. ------------------------------------------------------*/
  198. void Color(unsigned int particle_start, unsigned int particle_end,
  199. float r, float g, float b);
  200. /*------------------------------------------------------
  201. * Pre : particle_start and particle_end are a valid
  202. * range of particles in the array
  203. *
  204. * r,g,b are colors 0.0 to 1.0
  205. *
  206. * Post :
  207. *
  208. *-- History ------------------------------------------
  209. *
  210. * 2001.08.14:
  211. * Mongoose - Created
  212. ------------------------------------------------------*/
  213. void Speed(unsigned int particle_start, unsigned int particle_end,
  214. float x, float y, float z);
  215. /*------------------------------------------------------
  216. * Pre : particle_start and particle_end are a valid
  217. * range of particles in the array
  218. *
  219. * take note speed inits at 2000, lower is faster
  220. *
  221. * Post :
  222. *
  223. *-- History ------------------------------------------
  224. *
  225. * 2001.08.14:
  226. * Mongoose - Created
  227. ------------------------------------------------------*/
  228. void Force(unsigned int particle_start, unsigned int particle_end,
  229. float x, float y, float z);
  230. /*------------------------------------------------------
  231. * Pre : particle_start and particle_end are a valid
  232. * range of particles in the array
  233. *
  234. * Force/Gravity acting on particles
  235. *
  236. * Post :
  237. *
  238. *-- History ------------------------------------------
  239. *
  240. * 2001.08.14:
  241. * Mongoose - Created
  242. ------------------------------------------------------*/
  243. static vec_t mFrustum[6][4]; /* View Volume copy */
  244. private:
  245. char *_name; /* Emitter name */
  246. unsigned int _flags; /* Emitter flags */
  247. vec3_t _pos; /* Position in 3 space */
  248. vec3_t _mangle; /* Oreintation in 3 space */
  249. Particle *_particle; /* Array of particles */
  250. unsigned int _count; /* Particle count */
  251. };
  252. #endif