/xbmc/visualizations/Goom/goom2k4-0/src/goom_core.c
C | 895 lines | 673 code | 125 blank | 97 comment | 172 complexity | 958484eaa81db35e20ca48a89aea4453 MD5 | raw file
1/** 2* file: goom_core.c 3 * author: Jean-Christophe Hoelt (which is not so proud of it) 4 * 5 * Contains the core of goom's work. 6 * 7 * (c)2000-2003, by iOS-software. 8 */ 9 10#include <math.h> 11#include <stdio.h> 12#include <stdlib.h> 13#include <string.h> 14#include <inttypes.h> 15 16#include "goom.h" 17#include "goom_tools.h" 18#include "goom_filters.h" 19#include "lines.h" 20#include "ifs.h" 21#include "tentacle3d.h" 22#include "gfontlib.h" 23 24#include "sound_tester.h" 25#include "goom_plugin_info.h" 26#include "goom_fx.h" 27#include "goomsl.h" 28 29/* #define VERBOSE */ 30 31#define STOP_SPEED 128 32/* TODO: put that as variable in PluginInfo */ 33#define TIME_BTW_CHG 300 34 35static void choose_a_goom_line (PluginInfo *goomInfo, float *param1, float *param2, int *couleur, 36 int *mode, float *amplitude, int far); 37 38static void update_message (PluginInfo *goomInfo, char *message); 39 40static void init_buffers(PluginInfo *goomInfo, int buffsize) 41{ 42 goomInfo->pixel = (guint32 *) malloc (buffsize * sizeof (guint32) + 128); 43 bzero (goomInfo->pixel, buffsize * sizeof (guint32) + 128); 44 goomInfo->back = (guint32 *) malloc (buffsize * sizeof (guint32) + 128); 45 bzero (goomInfo->back, buffsize * sizeof (guint32) + 128); 46 goomInfo->conv = (Pixel *) malloc (buffsize * sizeof (guint32) + 128); 47 bzero (goomInfo->conv, buffsize * sizeof (guint32) + 128); 48 49 goomInfo->outputBuf = goomInfo->conv; 50 51 goomInfo->p1 = (Pixel *) ((1 + ((uintptr_t) (goomInfo->pixel)) / 128) * 128); 52 goomInfo->p2 = (Pixel *) ((1 + ((uintptr_t) (goomInfo->back)) / 128) * 128); 53} 54 55/************************** 56* INIT * 57**************************/ 58PluginInfo *goom_init (guint32 resx, guint32 resy) 59{ 60 PluginInfo *goomInfo = (PluginInfo*)malloc(sizeof(PluginInfo)); 61 62#ifdef VERBOSE 63 printf ("GOOM: init (%d, %d);\n", resx, resy); 64#endif 65 66 plugin_info_init(goomInfo,4); 67 68 goomInfo->star_fx = flying_star_create(); 69 goomInfo->star_fx.init(&goomInfo->star_fx, goomInfo); 70 71 goomInfo->zoomFilter_fx = zoomFilterVisualFXWrapper_create (); 72 goomInfo->zoomFilter_fx.init(&goomInfo->zoomFilter_fx, goomInfo); 73 74 goomInfo->tentacles_fx = tentacle_fx_create(); 75 goomInfo->tentacles_fx.init(&goomInfo->tentacles_fx, goomInfo); 76 77 goomInfo->convolve_fx = convolve_create(); 78 goomInfo->convolve_fx.init(&goomInfo->convolve_fx, goomInfo); 79 80 plugin_info_add_visual (goomInfo, 0, &goomInfo->zoomFilter_fx); 81 plugin_info_add_visual (goomInfo, 1, &goomInfo->tentacles_fx); 82 plugin_info_add_visual (goomInfo, 2, &goomInfo->star_fx); 83 plugin_info_add_visual (goomInfo, 3, &goomInfo->convolve_fx); 84 85 goomInfo->screen.width = resx; 86 goomInfo->screen.height = resy; 87 goomInfo->screen.size = resx * resy; 88 89 init_buffers(goomInfo, goomInfo->screen.size); 90 goomInfo->gRandom = goom_random_init((uintptr_t)goomInfo->pixel); 91 92 goomInfo->cycle = 0; 93 94 goomInfo->ifs_fx = ifs_visualfx_create(); 95 goomInfo->ifs_fx.init(&goomInfo->ifs_fx, goomInfo); 96 97 goomInfo->gmline1 = goom_lines_init (goomInfo, resx, goomInfo->screen.height, 98 GML_HLINE, goomInfo->screen.height, GML_BLACK, 99 GML_CIRCLE, 0.4f * (float) goomInfo->screen.height, GML_VERT); 100 goomInfo->gmline2 = goom_lines_init (goomInfo, resx, goomInfo->screen.height, 101 GML_HLINE, 0, GML_BLACK, 102 GML_CIRCLE, 0.2f * (float) goomInfo->screen.height, GML_RED); 103 104 gfont_load (); 105 106 /* goom_set_main_script(goomInfo, goomInfo->main_script_str); */ 107 108 return goomInfo; 109} 110 111 112 113void goom_set_resolution (PluginInfo *goomInfo, guint32 resx, guint32 resy) 114{ 115 free (goomInfo->pixel); 116 free (goomInfo->back); 117 free (goomInfo->conv); 118 119 goomInfo->screen.width = resx; 120 goomInfo->screen.height = resy; 121 goomInfo->screen.size = resx * resy; 122 123 init_buffers(goomInfo, goomInfo->screen.size); 124 125 /* init_ifs (goomInfo, resx, goomInfo->screen.height); */ 126 goomInfo->ifs_fx.free(&goomInfo->ifs_fx); 127 goomInfo->ifs_fx.init(&goomInfo->ifs_fx, goomInfo); 128 129 goom_lines_set_res (goomInfo->gmline1, resx, goomInfo->screen.height); 130 goom_lines_set_res (goomInfo->gmline2, resx, goomInfo->screen.height); 131} 132 133int goom_set_screenbuffer(PluginInfo *goomInfo, void *buffer) 134{ 135 goomInfo->outputBuf = (Pixel*)buffer; 136 return 1; 137} 138 139/******************************************** 140* UPDATE * 141******************************************** 142 143* WARNING: this is a 600 lines function ! (21-11-2003) 144*/ 145guint32 *goom_update (PluginInfo *goomInfo, gint16 data[2][512], 146 int forceMode, float fps, char *songTitle, char *message) 147{ 148 Pixel *return_val; 149 guint32 pointWidth; 150 guint32 pointHeight; 151 int i; 152 float largfactor; /* elargissement de l'intervalle d'évolution des points */ 153 Pixel *tmp; 154 155 ZoomFilterData *pzfd; 156 157 /* test if the config has changed, update it if so */ 158 pointWidth = (goomInfo->screen.width * 2) / 5; 159 pointHeight = ((goomInfo->screen.height) * 2) / 5; 160 161 /* ! etude du signal ... */ 162 evaluate_sound (data, &(goomInfo->sound)); 163 164 /* goom_execute_main_script(goomInfo); */ 165 166 /* ! calcul du deplacement des petits points ... */ 167 largfactor = goomInfo->sound.speedvar / 150.0f + goomInfo->sound.volume / 1.5f; 168 169 if (largfactor > 1.5f) 170 largfactor = 1.5f; 171 172 goomInfo->update.decay_ifs--; 173 if (goomInfo->update.decay_ifs > 0) 174 goomInfo->update.ifs_incr += 2; 175 if (goomInfo->update.decay_ifs == 0) 176 goomInfo->update.ifs_incr = 0; 177 178 if (goomInfo->update.recay_ifs) { 179 goomInfo->update.ifs_incr -= 2; 180 goomInfo->update.recay_ifs--; 181 if ((goomInfo->update.recay_ifs == 0)&&(goomInfo->update.ifs_incr<=0)) 182 goomInfo->update.ifs_incr = 1; 183 } 184 185 if (goomInfo->update.ifs_incr > 0) 186 goomInfo->ifs_fx.apply(&goomInfo->ifs_fx, goomInfo->p2, goomInfo->p1, goomInfo); 187 188 if (goomInfo->curGState->drawPoints) { 189 for (i = 1; i * 15 <= goomInfo->sound.speedvar*80.0f + 15; i++) { 190 goomInfo->update.loopvar += goomInfo->sound.speedvar*50 + 1; 191 192 pointFilter (goomInfo, goomInfo->p1, 193 YELLOW, 194 ((pointWidth - 6.0f) * largfactor + 5.0f), 195 ((pointHeight - 6.0f) * largfactor + 5.0f), 196 i * 152.0f, 128.0f, goomInfo->update.loopvar + i * 2032); 197 pointFilter (goomInfo, goomInfo->p1, ORANGE, 198 ((pointWidth / 2) * largfactor) / i + 10.0f * i, 199 ((pointHeight / 2) * largfactor) / i + 10.0f * i, 200 96.0f, i * 80.0f, goomInfo->update.loopvar / i); 201 pointFilter (goomInfo, goomInfo->p1, VIOLET, 202 ((pointHeight / 3 + 5.0f) * largfactor) / i + 10.0f * i, 203 ((pointHeight / 3 + 5.0f) * largfactor) / i + 10.0f * i, 204 i + 122.0f, 134.0f, goomInfo->update.loopvar / i); 205 pointFilter (goomInfo, goomInfo->p1, BLACK, 206 ((pointHeight / 3) * largfactor + 20.0f), 207 ((pointHeight / 3) * largfactor + 20.0f), 208 58.0f, i * 66.0f, goomInfo->update.loopvar / i); 209 pointFilter (goomInfo, goomInfo->p1, WHITE, 210 (pointHeight * largfactor + 10.0f * i) / i, 211 (pointHeight * largfactor + 10.0f * i) / i, 212 66.0f, 74.0f, goomInfo->update.loopvar + i * 500); 213 } 214 } 215 216 /* par défaut pas de changement de zoom */ 217 pzfd = NULL; 218 219 /* 220 * Test forceMode 221 */ 222#ifdef VERBOSE 223 if (forceMode != 0) { 224 printf ("forcemode = %d\n", forceMode); 225 } 226#endif 227 228 229 /* diminuer de 1 le temps de lockage */ 230 /* note pour ceux qui n'ont pas suivis : le lockvar permet d'empecher un */ 231 /* changement d'etat du plugin juste apres un autre changement d'etat. oki */ 232 if (--goomInfo->update.lockvar < 0) 233 goomInfo->update.lockvar = 0; 234 235 /* on verifie qu'il ne se pas un truc interressant avec le son. */ 236 if ((goomInfo->sound.timeSinceLastGoom == 0) 237 || (forceMode > 0) 238 || (goomInfo->update.cyclesSinceLastChange > TIME_BTW_CHG)) { 239 240 /* changement eventuel de mode */ 241 if (goom_irand(goomInfo->gRandom,16) == 0) 242 switch (goom_irand(goomInfo->gRandom,34)) { 243 case 0: 244 case 10: 245 goomInfo->update.zoomFilterData.hypercosEffect = goom_irand(goomInfo->gRandom,2); 246 case 13: 247 case 20: 248 case 21: 249 goomInfo->update.zoomFilterData.mode = WAVE_MODE; 250 goomInfo->update.zoomFilterData.reverse = 0; 251 goomInfo->update.zoomFilterData.waveEffect = (goom_irand(goomInfo->gRandom,3) == 0); 252 if (goom_irand(goomInfo->gRandom,2)) 253 goomInfo->update.zoomFilterData.vitesse = (goomInfo->update.zoomFilterData.vitesse + 127) >> 1; 254 break; 255 case 1: 256 case 11: 257 goomInfo->update.zoomFilterData.mode = CRYSTAL_BALL_MODE; 258 goomInfo->update.zoomFilterData.waveEffect = 0; 259 goomInfo->update.zoomFilterData.hypercosEffect = 0; 260 break; 261 case 2: 262 case 12: 263 goomInfo->update.zoomFilterData.mode = AMULETTE_MODE; 264 goomInfo->update.zoomFilterData.waveEffect = 0; 265 goomInfo->update.zoomFilterData.hypercosEffect = 0; 266 break; 267 case 3: 268 goomInfo->update.zoomFilterData.mode = WATER_MODE; 269 goomInfo->update.zoomFilterData.waveEffect = 0; 270 goomInfo->update.zoomFilterData.hypercosEffect = 0; 271 break; 272 case 4: 273 case 14: 274 goomInfo->update.zoomFilterData.mode = SCRUNCH_MODE; 275 goomInfo->update.zoomFilterData.waveEffect = 0; 276 goomInfo->update.zoomFilterData.hypercosEffect = 0; 277 break; 278 case 5: 279 case 15: 280 case 22: 281 goomInfo->update.zoomFilterData.mode = HYPERCOS1_MODE; 282 goomInfo->update.zoomFilterData.waveEffect = 0; 283 goomInfo->update.zoomFilterData.hypercosEffect = (goom_irand(goomInfo->gRandom,3) == 0); 284 break; 285 case 6: 286 case 16: 287 goomInfo->update.zoomFilterData.mode = HYPERCOS2_MODE; 288 goomInfo->update.zoomFilterData.waveEffect = 0; 289 goomInfo->update.zoomFilterData.hypercosEffect = 0; 290 break; 291 case 7: 292 case 17: 293 goomInfo->update.zoomFilterData.mode = CRYSTAL_BALL_MODE; 294 goomInfo->update.zoomFilterData.waveEffect = (goom_irand(goomInfo->gRandom,4) == 0); 295 goomInfo->update.zoomFilterData.hypercosEffect = goom_irand(goomInfo->gRandom,2); 296 break; 297 case 8: 298 case 18: 299 case 19: 300 goomInfo->update.zoomFilterData.mode = SCRUNCH_MODE; 301 goomInfo->update.zoomFilterData.waveEffect = 1; 302 goomInfo->update.zoomFilterData.hypercosEffect = 1; 303 break; 304 case 29: 305 case 30: 306 goomInfo->update.zoomFilterData.mode = YONLY_MODE; 307 break; 308 case 31: 309 case 32: 310 case 33: 311 goomInfo->update.zoomFilterData.mode = SPEEDWAY_MODE; 312 break; 313 default: 314 goomInfo->update.zoomFilterData.mode = NORMAL_MODE; 315 goomInfo->update.zoomFilterData.waveEffect = 0; 316 goomInfo->update.zoomFilterData.hypercosEffect = 0; 317 } 318 } 319 320 /* tout ceci ne sera fait qu'en cas de non-blocage */ 321 if (goomInfo->update.lockvar == 0) { 322 /* reperage de goom (acceleration forte de l'acceleration du volume) */ 323 /* -> coup de boost de la vitesse si besoin.. */ 324 if (goomInfo->sound.timeSinceLastGoom == 0) { 325 326 int i; 327 goomInfo->update.goomvar++; 328 329 /* SELECTION OF THE GOOM STATE */ 330 if ((!goomInfo->update.stateSelectionBlocker)&&(goom_irand(goomInfo->gRandom,3))) { 331 goomInfo->update.stateSelectionRnd = goom_irand(goomInfo->gRandom,goomInfo->statesRangeMax); 332 goomInfo->update.stateSelectionBlocker = 3; 333 } 334 else if (goomInfo->update.stateSelectionBlocker) goomInfo->update.stateSelectionBlocker--; 335 336 for (i=0;i<goomInfo->statesNumber;i++) 337 if ((goomInfo->update.stateSelectionRnd >= goomInfo->states[i].rangemin) 338 && (goomInfo->update.stateSelectionRnd <= goomInfo->states[i].rangemax)) 339 goomInfo->curGState = &(goomInfo->states[i]); 340 341 if ((goomInfo->curGState->drawIFS) && (goomInfo->update.ifs_incr<=0)) { 342 goomInfo->update.recay_ifs = 5; 343 goomInfo->update.ifs_incr = 11; 344 } 345 346 if ((!goomInfo->curGState->drawIFS) && (goomInfo->update.ifs_incr>0) && (goomInfo->update.decay_ifs<=0)) 347 goomInfo->update.decay_ifs = 100; 348 349 if (!goomInfo->curGState->drawScope) 350 goomInfo->update.stop_lines = 0xf000 & 5; 351 352 if (!goomInfo->curGState->drawScope) { 353 goomInfo->update.stop_lines = 0; 354 goomInfo->update.lineMode = goomInfo->update.drawLinesDuration; 355 } 356 357 /* if (goomInfo->update.goomvar % 1 == 0) */ 358 { 359 guint32 vtmp; 360 guint32 newvit; 361 362 goomInfo->update.lockvar = 50; 363 newvit = STOP_SPEED + 1 - ((float)3.5f * log10(goomInfo->sound.speedvar * 60 + 1)); 364 /* retablir le zoom avant.. */ 365 if ((goomInfo->update.zoomFilterData.reverse) && (!(goomInfo->cycle % 13)) && (rand () % 5 == 0)) { 366 goomInfo->update.zoomFilterData.reverse = 0; 367 goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - 2; 368 goomInfo->update.lockvar = 75; 369 } 370 if (goom_irand(goomInfo->gRandom,10) == 0) { 371 goomInfo->update.zoomFilterData.reverse = 1; 372 goomInfo->update.lockvar = 100; 373 } 374 375 if (goom_irand(goomInfo->gRandom,10) == 0) 376 goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - 1; 377 if (goom_irand(goomInfo->gRandom,12) == 0) 378 goomInfo->update.zoomFilterData.vitesse = STOP_SPEED + 1; 379 380 /* changement de milieu.. */ 381 switch (goom_irand(goomInfo->gRandom,25)) { 382 case 0: 383 case 3: 384 case 6: 385 goomInfo->update.zoomFilterData.middleY = goomInfo->screen.height - 1; 386 goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width / 2; 387 break; 388 case 1: 389 case 4: 390 goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width - 1; 391 break; 392 case 2: 393 case 5: 394 goomInfo->update.zoomFilterData.middleX = 1; 395 break; 396 default: 397 goomInfo->update.zoomFilterData.middleY = goomInfo->screen.height / 2; 398 goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width / 2; 399 } 400 401 if ((goomInfo->update.zoomFilterData.mode == WATER_MODE) 402 || (goomInfo->update.zoomFilterData.mode == YONLY_MODE) 403 || (goomInfo->update.zoomFilterData.mode == AMULETTE_MODE)) { 404 goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width / 2; 405 goomInfo->update.zoomFilterData.middleY = goomInfo->screen.height / 2; 406 } 407 408 switch (vtmp = (goom_irand(goomInfo->gRandom,15))) { 409 case 0: 410 goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand(goomInfo->gRandom,3) 411 - goom_irand(goomInfo->gRandom,3); 412 goomInfo->update.zoomFilterData.hPlaneEffect = goom_irand(goomInfo->gRandom,3) 413 - goom_irand(goomInfo->gRandom,3); 414 break; 415 case 3: 416 goomInfo->update.zoomFilterData.vPlaneEffect = 0; 417 goomInfo->update.zoomFilterData.hPlaneEffect = goom_irand(goomInfo->gRandom,8) 418 - goom_irand(goomInfo->gRandom,8); 419 break; 420 case 4: 421 case 5: 422 case 6: 423 case 7: 424 goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand(goomInfo->gRandom,5) 425 - goom_irand(goomInfo->gRandom,5); 426 goomInfo->update.zoomFilterData.hPlaneEffect = -goomInfo->update.zoomFilterData.vPlaneEffect; 427 break; 428 case 8: 429 goomInfo->update.zoomFilterData.hPlaneEffect = 5 + goom_irand(goomInfo->gRandom,8); 430 goomInfo->update.zoomFilterData.vPlaneEffect = -goomInfo->update.zoomFilterData.hPlaneEffect; 431 break; 432 case 9: 433 goomInfo->update.zoomFilterData.vPlaneEffect = 5 + goom_irand(goomInfo->gRandom,8); 434 goomInfo->update.zoomFilterData.hPlaneEffect = -goomInfo->update.zoomFilterData.hPlaneEffect; 435 break; 436 case 13: 437 goomInfo->update.zoomFilterData.hPlaneEffect = 0; 438 goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand(goomInfo->gRandom,10) 439 - goom_irand(goomInfo->gRandom,10); 440 break; 441 case 14: 442 goomInfo->update.zoomFilterData.hPlaneEffect = goom_irand(goomInfo->gRandom,10) 443 - goom_irand(goomInfo->gRandom,10); 444 goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand(goomInfo->gRandom,10) 445 - goom_irand(goomInfo->gRandom,10); 446 break; 447 default: 448 if (vtmp < 10) { 449 goomInfo->update.zoomFilterData.vPlaneEffect = 0; 450 goomInfo->update.zoomFilterData.hPlaneEffect = 0; 451 } 452 } 453 454 if (goom_irand(goomInfo->gRandom,5) != 0) 455 goomInfo->update.zoomFilterData.noisify = 0; 456 else { 457 goomInfo->update.zoomFilterData.noisify = goom_irand(goomInfo->gRandom,2) + 1; 458 goomInfo->update.lockvar *= 2; 459 } 460 461 if (goomInfo->update.zoomFilterData.mode == AMULETTE_MODE) { 462 goomInfo->update.zoomFilterData.vPlaneEffect = 0; 463 goomInfo->update.zoomFilterData.hPlaneEffect = 0; 464 goomInfo->update.zoomFilterData.noisify = 0; 465 } 466 467 if ((goomInfo->update.zoomFilterData.middleX == 1) || (goomInfo->update.zoomFilterData.middleX == (signed int)goomInfo->screen.width - 1)) { 468 goomInfo->update.zoomFilterData.vPlaneEffect = 0; 469 if (goom_irand(goomInfo->gRandom,2)) 470 goomInfo->update.zoomFilterData.hPlaneEffect = 0; 471 } 472 473 if ((signed int)newvit < goomInfo->update.zoomFilterData.vitesse) /* on accelere */ 474 { 475 pzfd = &goomInfo->update.zoomFilterData; 476 if (((newvit < STOP_SPEED - 7) && 477 (goomInfo->update.zoomFilterData.vitesse < STOP_SPEED - 6) && 478 (goomInfo->cycle % 3 == 0)) || (goom_irand(goomInfo->gRandom,40) == 0)) { 479 goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - goom_irand(goomInfo->gRandom,2) 480 + goom_irand(goomInfo->gRandom,2); 481 goomInfo->update.zoomFilterData.reverse = !goomInfo->update.zoomFilterData.reverse; 482 } 483 else { 484 goomInfo->update.zoomFilterData.vitesse = (newvit + goomInfo->update.zoomFilterData.vitesse * 7) / 8; 485 } 486 goomInfo->update.lockvar += 50; 487 } 488 } 489 490 if (goomInfo->update.lockvar > 150) { 491 goomInfo->update.switchIncr = goomInfo->update.switchIncrAmount; 492 goomInfo->update.switchMult = 1.0f; 493 } 494 } 495 /* mode mega-lent */ 496 if (goom_irand(goomInfo->gRandom,700) == 0) { 497 /* 498 * printf ("coup du sort...\n") ; 499 */ 500 pzfd = &goomInfo->update.zoomFilterData; 501 goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - 1; 502 goomInfo->update.zoomFilterData.pertedec = 8; 503 goomInfo->update.zoomFilterData.sqrtperte = 16; 504 goomInfo->update.goomvar = 1; 505 goomInfo->update.lockvar += 50; 506 goomInfo->update.switchIncr = goomInfo->update.switchIncrAmount; 507 goomInfo->update.switchMult = 1.0f; 508 } 509 } 510 511 /* 512 * gros frein si la musique est calme 513 */ 514 if ((goomInfo->sound.speedvar < 0.01f) 515 && (goomInfo->update.zoomFilterData.vitesse < STOP_SPEED - 4) 516 && (goomInfo->cycle % 16 == 0)) { 517 pzfd = &goomInfo->update.zoomFilterData; 518 goomInfo->update.zoomFilterData.vitesse += 3; 519 goomInfo->update.zoomFilterData.pertedec = 8; 520 goomInfo->update.zoomFilterData.sqrtperte = 16; 521 goomInfo->update.goomvar = 0; 522 } 523 524 /* 525 * baisser regulierement la vitesse... 526 */ 527 if ((goomInfo->cycle % 73 == 0) && (goomInfo->update.zoomFilterData.vitesse < STOP_SPEED - 5)) { 528 pzfd = &goomInfo->update.zoomFilterData; 529 goomInfo->update.zoomFilterData.vitesse++; 530 } 531 532 /* 533 * arreter de decrémenter au bout d'un certain temps 534 */ 535 if ((goomInfo->cycle % 101 == 0) && (goomInfo->update.zoomFilterData.pertedec == 7)) { 536 pzfd = &goomInfo->update.zoomFilterData; 537 goomInfo->update.zoomFilterData.pertedec = 8; 538 goomInfo->update.zoomFilterData.sqrtperte = 16; 539 } 540 541 /* 542 * Permet de forcer un effet. 543 */ 544 if ((forceMode > 0) && (forceMode <= NB_FX)) { 545 pzfd = &goomInfo->update.zoomFilterData; 546 pzfd->mode = forceMode - 1; 547 } 548 549 if (forceMode == -1) { 550 pzfd = NULL; 551 } 552 553 /* 554 * Changement d'effet de zoom ! 555 */ 556 if (pzfd != NULL) { 557 int dif; 558 559 goomInfo->update.cyclesSinceLastChange = 0; 560 561 goomInfo->update.switchIncr = goomInfo->update.switchIncrAmount; 562 563 dif = goomInfo->update.zoomFilterData.vitesse - goomInfo->update.previousZoomSpeed; 564 if (dif < 0) 565 dif = -dif; 566 567 if (dif > 2) { 568 goomInfo->update.switchIncr *= (dif + 2) / 2; 569 } 570 goomInfo->update.previousZoomSpeed = goomInfo->update.zoomFilterData.vitesse; 571 goomInfo->update.switchMult = 1.0f; 572 573 if (((goomInfo->sound.timeSinceLastGoom == 0) 574 && (goomInfo->sound.totalgoom < 2)) || (forceMode > 0)) { 575 goomInfo->update.switchIncr = 0; 576 goomInfo->update.switchMult = goomInfo->update.switchMultAmount; 577 } 578 } 579 else { 580 if (goomInfo->update.cyclesSinceLastChange > TIME_BTW_CHG) { 581 pzfd = &goomInfo->update.zoomFilterData; 582 goomInfo->update.cyclesSinceLastChange = 0; 583 } 584 else 585 goomInfo->update.cyclesSinceLastChange++; 586 } 587 588#ifdef VERBOSE 589 if (pzfd) { 590 printf ("GOOM: pzfd->mode = %d\n", pzfd->mode); 591 } 592#endif 593 594 /* Zoom here ! */ 595 zoomFilterFastRGB (goomInfo, goomInfo->p1, goomInfo->p2, pzfd, goomInfo->screen.width, goomInfo->screen.height, 596 goomInfo->update.switchIncr, goomInfo->update.switchMult); 597 598 /* 599 * Affichage tentacule 600 */ 601 602 goomInfo->tentacles_fx.apply(&goomInfo->tentacles_fx, goomInfo->p1, goomInfo->p2, goomInfo); 603 goomInfo->star_fx.apply (&goomInfo->star_fx,goomInfo->p2,goomInfo->p1,goomInfo); 604 605 /* 606 * Affichage de texte 607 */ 608 { 609 /*char title[1024];*/ 610 char text[64]; 611 612 /* 613 * Le message 614 */ 615 update_message (goomInfo, message); 616 617 if (fps > 0) { 618 sprintf (text, "%2.0f fps", fps); 619 goom_draw_text (goomInfo->p1,goomInfo->screen.width,goomInfo->screen.height, 620 10, 24, text, 1, 0); 621 } 622 623 /* 624 * Le titre 625 */ 626 if (songTitle != NULL) { 627 strncpy (goomInfo->update.titleText, songTitle, 1023); 628 goomInfo->update.titleText[1023]=0; 629 goomInfo->update.timeOfTitleDisplay = 200; 630 } 631 632 if (goomInfo->update.timeOfTitleDisplay) { 633 goom_draw_text (goomInfo->p1,goomInfo->screen.width,goomInfo->screen.height, 634 goomInfo->screen.width / 2, goomInfo->screen.height / 2 + 7, goomInfo->update.titleText, 635 ((float) (190 - goomInfo->update.timeOfTitleDisplay) / 10.0f), 1); 636 goomInfo->update.timeOfTitleDisplay--; 637 if (goomInfo->update.timeOfTitleDisplay < 4) 638 goom_draw_text (goomInfo->p2,goomInfo->screen.width,goomInfo->screen.height, 639 goomInfo->screen.width / 2, goomInfo->screen.height / 2 + 7, goomInfo->update.titleText, 640 ((float) (190 - goomInfo->update.timeOfTitleDisplay) / 10.0f), 1); 641 } 642 } 643 644 /* 645 * Gestion du Scope 646 */ 647 648 /* 649 * arret demande 650 */ 651 if ((goomInfo->update.stop_lines & 0xf000)||(!goomInfo->curGState->drawScope)) { 652 float param1, param2, amplitude; 653 int couleur; 654 int mode; 655 656 choose_a_goom_line (goomInfo, ¶m1, ¶m2, &couleur, &mode, &litude,1); 657 couleur = GML_BLACK; 658 659 goom_lines_switch_to (goomInfo->gmline1, mode, param1, amplitude, couleur); 660 goom_lines_switch_to (goomInfo->gmline2, mode, param2, amplitude, couleur); 661 goomInfo->update.stop_lines &= 0x0fff; 662 } 663 664 /* 665 * arret aleatore.. changement de mode de ligne.. 666 */ 667 if (goomInfo->update.lineMode != goomInfo->update.drawLinesDuration) { 668 goomInfo->update.lineMode--; 669 if (goomInfo->update.lineMode == -1) 670 goomInfo->update.lineMode = 0; 671 } 672 else 673 if ((goomInfo->cycle%80==0)&&(goom_irand(goomInfo->gRandom,5)==0)&&goomInfo->update.lineMode) 674 goomInfo->update.lineMode--; 675 676 if ((goomInfo->cycle % 120 == 0) 677 && (goom_irand(goomInfo->gRandom,4) == 0) 678 && (goomInfo->curGState->drawScope)) { 679 if (goomInfo->update.lineMode == 0) 680 goomInfo->update.lineMode = goomInfo->update.drawLinesDuration; 681 else if (goomInfo->update.lineMode == goomInfo->update.drawLinesDuration) { 682 float param1, param2, amplitude; 683 int couleur1,couleur2; 684 int mode; 685 686 goomInfo->update.lineMode--; 687 choose_a_goom_line (goomInfo, ¶m1, ¶m2, &couleur1, 688 &mode, &litude,goomInfo->update.stop_lines); 689 690 couleur2 = 5-couleur1; 691 if (goomInfo->update.stop_lines) { 692 goomInfo->update.stop_lines--; 693 if (goom_irand(goomInfo->gRandom,2)) 694 couleur2=couleur1 = GML_BLACK; 695 } 696 697 goom_lines_switch_to (goomInfo->gmline1, mode, param1, amplitude, couleur1); 698 goom_lines_switch_to (goomInfo->gmline2, mode, param2, amplitude, couleur2); 699 } 700 } 701 702 /* 703 * si on est dans un goom : afficher les lignes... 704 */ 705 if ((goomInfo->update.lineMode != 0) || (goomInfo->sound.timeSinceLastGoom < 5)) { 706 goomInfo->gmline2->power = goomInfo->gmline1->power; 707 708 goom_lines_draw (goomInfo, goomInfo->gmline1, data[0], goomInfo->p2); 709 goom_lines_draw (goomInfo, goomInfo->gmline2, data[1], goomInfo->p2); 710 711 if (((goomInfo->cycle % 121) == 9) && (goom_irand(goomInfo->gRandom,3) == 1) 712 && ((goomInfo->update.lineMode == 0) || (goomInfo->update.lineMode == goomInfo->update.drawLinesDuration))) { 713 float param1, param2, amplitude; 714 int couleur1,couleur2; 715 int mode; 716 717 choose_a_goom_line (goomInfo, ¶m1, ¶m2, &couleur1, 718 &mode, &litude, goomInfo->update.stop_lines); 719 couleur2 = 5-couleur1; 720 721 if (goomInfo->update.stop_lines) { 722 goomInfo->update.stop_lines--; 723 if (goom_irand(goomInfo->gRandom,2)) 724 couleur2=couleur1 = GML_BLACK; 725 } 726 goom_lines_switch_to (goomInfo->gmline1, mode, param1, amplitude, couleur1); 727 goom_lines_switch_to (goomInfo->gmline2, mode, param2, amplitude, couleur2); 728 } 729 } 730 731 return_val = goomInfo->p1; 732 tmp = goomInfo->p1; 733 goomInfo->p1 = goomInfo->p2; 734 goomInfo->p2 = tmp; 735 736 /* affichage et swappage des buffers.. */ 737 goomInfo->cycle++; 738 739 goomInfo->convolve_fx.apply(&goomInfo->convolve_fx,return_val,goomInfo->outputBuf,goomInfo); 740 741 return (guint32*)goomInfo->outputBuf; 742} 743 744/**************************************** 745* CLOSE * 746****************************************/ 747void goom_close (PluginInfo *goomInfo) 748{ 749 if (goomInfo->pixel != NULL) 750 free (goomInfo->pixel); 751 if (goomInfo->back != NULL) 752 free (goomInfo->back); 753 if (goomInfo->conv != NULL) 754 free (goomInfo->conv); 755 756 goomInfo->pixel = goomInfo->back = NULL; 757 goomInfo->conv = NULL; 758 goom_random_free(goomInfo->gRandom); 759 goom_lines_free (&goomInfo->gmline1); 760 goom_lines_free (&goomInfo->gmline2); 761 762 /* release_ifs (); */ 763 goomInfo->ifs_fx.free(&goomInfo->ifs_fx); 764 goomInfo->convolve_fx.free(&goomInfo->convolve_fx); 765 goomInfo->star_fx.free(&goomInfo->star_fx); 766 goomInfo->tentacles_fx.free(&goomInfo->tentacles_fx); 767 goomInfo->zoomFilter_fx.free(&goomInfo->zoomFilter_fx); 768 769 // Release info visual 770 free (goomInfo->params); 771 free (goomInfo->sound.params.params); 772 773 // Release PluginInfo 774 free (goomInfo->visuals); 775 gsl_free (goomInfo->scanner); 776 gsl_free (goomInfo->main_scanner); 777 778 free(goomInfo); 779} 780 781 782/* *** */ 783void 784choose_a_goom_line (PluginInfo *goomInfo, float *param1, float *param2, int *couleur, int *mode, 785 float *amplitude, int far) 786{ 787 *mode = goom_irand(goomInfo->gRandom,3); 788 *amplitude = 1.0f; 789 switch (*mode) { 790 case GML_CIRCLE: 791 if (far) { 792 *param1 = *param2 = 0.47f; 793 *amplitude = 0.8f; 794 break; 795 } 796 if (goom_irand(goomInfo->gRandom,3) == 0) { 797 *param1 = *param2 = 0; 798 *amplitude = 3.0f; 799 } 800 else if (goom_irand(goomInfo->gRandom,2)) { 801 *param1 = 0.40f * goomInfo->screen.height; 802 *param2 = 0.22f * goomInfo->screen.height; 803 } 804 else { 805 *param1 = *param2 = goomInfo->screen.height * 0.35; 806 } 807 break; 808 case GML_HLINE: 809 if (goom_irand(goomInfo->gRandom,4) || far) { 810 *param1 = goomInfo->screen.height / 7; 811 *param2 = 6.0f * goomInfo->screen.height / 7.0f; 812 } 813 else { 814 *param1 = *param2 = goomInfo->screen.height / 2.0f; 815 *amplitude = 2.0f; 816 } 817 break; 818 case GML_VLINE: 819 if (goom_irand(goomInfo->gRandom,3) || far) { 820 *param1 = goomInfo->screen.width / 7.0f; 821 *param2 = 6.0f * goomInfo->screen.width / 7.0f; 822 } 823 else { 824 *param1 = *param2 = goomInfo->screen.width / 2.0f; 825 *amplitude = 1.5f; 826 } 827 break; 828 } 829 830 *couleur = goom_irand(goomInfo->gRandom,6); 831} 832 833#define ECART_VARIATION 1.5 834#define POS_VARIATION 3.0 835#define SCROLLING_SPEED 80 836 837/* 838 * Met a jour l'affichage du message defilant 839 */ 840void update_message (PluginInfo *goomInfo, char *message) { 841 842 int fin = 0; 843 844 if (message) { 845 int i=1,j=0; 846 strcpy (goomInfo->update_message.message, message); 847 for (j=0;goomInfo->update_message.message[j];j++) 848 if (goomInfo->update_message.message[j]=='\n') 849 i++; 850 goomInfo->update_message.numberOfLinesInMessage = i; 851 goomInfo->update_message.affiche = goomInfo->screen.height + goomInfo->update_message.numberOfLinesInMessage * 25 + 105; 852 goomInfo->update_message.longueur = strlen(goomInfo->update_message.message); 853 } 854 if (goomInfo->update_message.affiche) { 855 int i = 0; 856 char *msg = malloc(goomInfo->update_message.longueur + 1); 857 char *ptr = msg; 858 int pos; 859 float ecart; 860 message = msg; 861 strcpy (msg, goomInfo->update_message.message); 862 863 while (!fin) { 864 while (1) { 865 if (*ptr == 0) { 866 fin = 1; 867 break; 868 } 869 if (*ptr == '\n') { 870 *ptr = 0; 871 break; 872 } 873 ++ptr; 874 } 875 pos = goomInfo->update_message.affiche - (goomInfo->update_message.numberOfLinesInMessage - i)*25; 876 pos += POS_VARIATION * (cos((double)pos / 20.0)); 877 pos -= SCROLLING_SPEED; 878 ecart = (ECART_VARIATION * sin((double)pos / 20.0)); 879 if ((fin) && (2 * pos < (int)goomInfo->screen.height)) 880 pos = (int)goomInfo->screen.height / 2; 881 pos += 7; 882 883 goom_draw_text(goomInfo->p1,goomInfo->screen.width,goomInfo->screen.height, 884 goomInfo->screen.width/2, pos, 885 message, 886 ecart, 887 1); 888 message = ++ptr; 889 i++; 890 } 891 goomInfo->update_message.affiche --; 892 free (msg); 893 } 894} 895