/* Goom Project * Copyright (C) <2003> Jean-Christophe Hoelt <jeko@free.fr> * * goom_core.c:Contains the core of goom's work. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #ifdef HAVE_INTTYPES_H #include <inttypes.h> #endif #include "goom.h" #include "goom_tools.h" #include "goom_filters.h" #include "lines.h" #include "ifs.h" #include "tentacle3d.h" #include "sound_tester.h" #include "goom_plugin_info.h" #include "goom_fx.h" /* #define VERBOSE */ #define STOP_SPEED 128 /* TODO: put that as variable in PluginInfo */ #define TIME_BTW_CHG 300 static void choose_a_goom_line (PluginInfo * goomInfo, float *param1, float *param2, int *couleur, int *mode, float *amplitude, int far); static void init_buffers (PluginInfo * goomInfo, int buffsize) { goomInfo->pixel = (guint32 *) malloc (buffsize * sizeof (guint32) + 128); memset (goomInfo->pixel, 0, buffsize * sizeof (guint32) + 128); goomInfo->back = (guint32 *) malloc (buffsize * sizeof (guint32) + 128); memset (goomInfo->back, 0, buffsize * sizeof (guint32) + 128); goomInfo->conv = (Pixel *) malloc (buffsize * sizeof (guint32) + 128); memset (goomInfo->conv, 0, buffsize * sizeof (guint32) + 128); goomInfo->outputBuf = goomInfo->conv; goomInfo->p1 = (Pixel *) ((1 + ((uintptr_t) (goomInfo->pixel)) / 128) * 128); goomInfo->p2 = (Pixel *) ((1 + ((uintptr_t) (goomInfo->back)) / 128) * 128); } /************************** * INIT * **************************/ PluginInfo * goom_init (guint32 resx, guint32 resy) { PluginInfo *goomInfo = (PluginInfo *) malloc (sizeof (PluginInfo)); #ifdef VERBOSE printf ("GOOM: init (%d, %d);\n", resx, resy); #endif plugin_info_init (goomInfo, 4); goomInfo->screen.width = resx; goomInfo->screen.height = resy; goomInfo->screen.size = resx * resy; init_buffers (goomInfo, goomInfo->screen.size); goomInfo->gRandom = goom_random_init ((uintptr_t) goomInfo->pixel); goomInfo->cycle = 0; flying_star_create (&goomInfo->star_fx); goomInfo->star_fx.init (&goomInfo->star_fx, goomInfo); zoomFilterVisualFXWrapper_create (&goomInfo->zoomFilter_fx); goomInfo->zoomFilter_fx.init (&goomInfo->zoomFilter_fx, goomInfo); tentacle_fx_create (&goomInfo->tentacles_fx); goomInfo->tentacles_fx.init (&goomInfo->tentacles_fx, goomInfo); convolve_create (&goomInfo->convolve_fx); goomInfo->convolve_fx.init (&goomInfo->convolve_fx, goomInfo); plugin_info_add_visual (goomInfo, 0, &goomInfo->zoomFilter_fx); plugin_info_add_visual (goomInfo, 1, &goomInfo->tentacles_fx); plugin_info_add_visual (goomInfo, 2, &goomInfo->star_fx); plugin_info_add_visual (goomInfo, 3, &goomInfo->convolve_fx); ifs_visualfx_create (&goomInfo->ifs_fx); goomInfo->ifs_fx.init (&goomInfo->ifs_fx, goomInfo); goomInfo->gmline1 = goom_lines_init (goomInfo, resx, goomInfo->screen.height, GML_HLINE, goomInfo->screen.height, GML_BLACK, GML_CIRCLE, 0.4f * (float) goomInfo->screen.height, GML_VERT); goomInfo->gmline2 = goom_lines_init (goomInfo, resx, goomInfo->screen.height, GML_HLINE, 0, GML_BLACK, GML_CIRCLE, 0.2f * (float) goomInfo->screen.height, GML_RED); /* goom_set_main_script(goomInfo, goomInfo->main_script_str); */ return goomInfo; } void goom_set_resolution (PluginInfo * goomInfo, guint32 resx, guint32 resy) { free (goomInfo->pixel); free (goomInfo->back); free (goomInfo->conv); goomInfo->screen.width = resx; goomInfo->screen.height = resy; goomInfo->screen.size = resx * resy; init_buffers (goomInfo, goomInfo->screen.size); /* init_ifs (goomInfo, resx, goomInfo->screen.height); */ goomInfo->ifs_fx.free (&goomInfo->ifs_fx); goomInfo->ifs_fx.init (&goomInfo->ifs_fx, goomInfo); goom_lines_set_res (goomInfo->gmline1, resx, goomInfo->screen.height); goom_lines_set_res (goomInfo->gmline2, resx, goomInfo->screen.height); } int goom_set_screenbuffer (PluginInfo * goomInfo, void *buffer) { goomInfo->outputBuf = (Pixel *) buffer; return 1; } /******************************************** * UPDATE * ******************************************** * WARNING: this is a 600 lines function ! (21-11-2003) */ guint32 * goom_update (PluginInfo * goomInfo, gint16 data[2][512], int forceMode, float fps) { Pixel *return_val; guint32 pointWidth; guint32 pointHeight; int i; float largfactor; /* elargissement de l'intervalle d'�volution des points */ Pixel *tmp; ZoomFilterData *pzfd; /* test if the config has changed, update it if so */ pointWidth = (goomInfo->screen.width * 2) / 5; pointHeight = ((goomInfo->screen.height) * 2) / 5; /* ! etude du signal ... */ evaluate_sound (data, &(goomInfo->sound)); /* goom_execute_main_script(goomInfo); */ /* ! calcul du deplacement des petits points ... */ largfactor = goomInfo->sound.speedvar / 150.0f + goomInfo->sound.volume / 1.5f; if (largfactor > 1.5f) largfactor = 1.5f; goomInfo->update.decay_ifs--; if (goomInfo->update.decay_ifs > 0) goomInfo->update.ifs_incr += 2; if (goomInfo->update.decay_ifs == 0) goomInfo->update.ifs_incr = 0; if (goomInfo->update.recay_ifs) { goomInfo->update.ifs_incr -= 2; goomInfo->update.recay_ifs--; if ((goomInfo->update.recay_ifs == 0) && (goomInfo->update.ifs_incr <= 0)) goomInfo->update.ifs_incr = 1; } if (goomInfo->update.ifs_incr > 0) goomInfo->ifs_fx.apply (&goomInfo->ifs_fx, goomInfo->p2, goomInfo->p1, goomInfo); if (goomInfo->curGState->drawPoints) { for (i = 1; i * 15 <= goomInfo->sound.speedvar * 80.0f + 15; i++) { goomInfo->update.loopvar += goomInfo->sound.speedvar * 50 + 1; pointFilter (goomInfo, goomInfo->p1, YELLOW, ((pointWidth - 6.0f) * largfactor + 5.0f), ((pointHeight - 6.0f) * largfactor + 5.0f), i * 152.0f, 128.0f, goomInfo->update.loopvar + i * 2032); pointFilter (goomInfo, goomInfo->p1, ORANGE, ((pointWidth / 2) * largfactor) / i + 10.0f * i, ((pointHeight / 2) * largfactor) / i + 10.0f * i, 96.0f, i * 80.0f, goomInfo->update.loopvar / i); pointFilter (goomInfo, goomInfo->p1, VIOLET, ((pointHeight / 3 + 5.0f) * largfactor) / i + 10.0f * i, ((pointHeight / 3 + 5.0f) * largfactor) / i + 10.0f * i, i + 122.0f, 134.0f, goomInfo->update.loopvar / i); pointFilter (goomInfo, goomInfo->p1, BLACK, ((pointHeight / 3) * largfactor + 20.0f), ((pointHeight / 3) * largfactor + 20.0f), 58.0f, i * 66.0f, goomInfo->update.loopvar / i); pointFilter (goomInfo, goomInfo->p1, WHITE, (pointHeight * largfactor + 10.0f * i) / i, (pointHeight * largfactor + 10.0f * i) / i, 66.0f, 74.0f, goomInfo->update.loopvar + i * 500); } } /* par d�faut pas de changement de zoom */ pzfd = NULL; /* * Test forceMode */ #ifdef VERBOSE if (forceMode != 0) { printf ("forcemode = %d\n", forceMode); } #endif /* diminuer de 1 le temps de lockage */ /* note pour ceux qui n'ont pas suivis : le lockvar permet d'empecher un */ /* changement d'etat du plugin juste apres un autre changement d'etat. oki */ if (--goomInfo->update.lockvar < 0) goomInfo->update.lockvar = 0; /* on verifie qu'il ne se pas un truc interressant avec le son. */ if ((goomInfo->sound.timeSinceLastGoom == 0) || (forceMode > 0) || (goomInfo->update.cyclesSinceLastChange > TIME_BTW_CHG)) { /* changement eventuel de mode */ if (goom_irand (goomInfo->gRandom, 16) == 0) switch (goom_irand (goomInfo->gRandom, 34)) { case 0: case 10: goomInfo->update.zoomFilterData.hypercosEffect = goom_irand (goomInfo->gRandom, 2); case 13: case 20: case 21: goomInfo->update.zoomFilterData.mode = WAVE_MODE; goomInfo->update.zoomFilterData.reverse = 0; goomInfo->update.zoomFilterData.waveEffect = (goom_irand (goomInfo->gRandom, 3) == 0); if (goom_irand (goomInfo->gRandom, 2)) goomInfo->update.zoomFilterData.vitesse = (goomInfo->update.zoomFilterData.vitesse + 127) >> 1; break; case 1: case 11: goomInfo->update.zoomFilterData.mode = CRYSTAL_BALL_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = 0; break; case 2: case 12: goomInfo->update.zoomFilterData.mode = AMULETTE_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = 0; break; case 3: goomInfo->update.zoomFilterData.mode = WATER_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = 0; break; case 4: case 14: goomInfo->update.zoomFilterData.mode = SCRUNCH_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = 0; break; case 5: case 15: case 22: goomInfo->update.zoomFilterData.mode = HYPERCOS1_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = (goom_irand (goomInfo->gRandom, 3) == 0); break; case 6: case 16: goomInfo->update.zoomFilterData.mode = HYPERCOS2_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = 0; break; case 7: case 17: goomInfo->update.zoomFilterData.mode = CRYSTAL_BALL_MODE; goomInfo->update.zoomFilterData.waveEffect = (goom_irand (goomInfo->gRandom, 4) == 0); goomInfo->update.zoomFilterData.hypercosEffect = goom_irand (goomInfo->gRandom, 2); break; case 8: case 18: case 19: goomInfo->update.zoomFilterData.mode = SCRUNCH_MODE; goomInfo->update.zoomFilterData.waveEffect = 1; goomInfo->update.zoomFilterData.hypercosEffect = 1; break; case 29: case 30: goomInfo->update.zoomFilterData.mode = YONLY_MODE; break; case 31: case 32: case 33: goomInfo->update.zoomFilterData.mode = SPEEDWAY_MODE; break; default: goomInfo->update.zoomFilterData.mode = NORMAL_MODE; goomInfo->update.zoomFilterData.waveEffect = 0; goomInfo->update.zoomFilterData.hypercosEffect = 0; } } /* tout ceci ne sera fait qu'en cas de non-blocage */ if (goomInfo->update.lockvar == 0) { /* reperage de goom (acceleration forte de l'acceleration du volume) */ /* -> coup de boost de la vitesse si besoin.. */ if (goomInfo->sound.timeSinceLastGoom == 0) { int i; goomInfo->update.goomvar++; /* SELECTION OF THE GOOM STATE */ if ((!goomInfo->update.stateSelectionBlocker) && (goom_irand (goomInfo->gRandom, 3))) { goomInfo->update.stateSelectionRnd = goom_irand (goomInfo->gRandom, goomInfo->statesRangeMax); goomInfo->update.stateSelectionBlocker = 3; } else if (goomInfo->update.stateSelectionBlocker) goomInfo->update.stateSelectionBlocker--; for (i = 0; i < goomInfo->statesNumber; i++) if ((goomInfo->update.stateSelectionRnd >= goomInfo->states[i].rangemin) && (goomInfo->update.stateSelectionRnd <= goomInfo->states[i].rangemax)) goomInfo->curGState = &(goomInfo->states[i]); if ((goomInfo->curGState->drawIFS) && (goomInfo->update.ifs_incr <= 0)) { goomInfo->update.recay_ifs = 5; goomInfo->update.ifs_incr = 11; } if ((!goomInfo->curGState->drawIFS) && (goomInfo->update.ifs_incr > 0) && (goomInfo->update.decay_ifs <= 0)) goomInfo->update.decay_ifs = 100; if (!goomInfo->curGState->drawScope) goomInfo->update.stop_lines = 0xf000 & 5; if (!goomInfo->curGState->drawScope) { goomInfo->update.stop_lines = 0; goomInfo->update.lineMode = goomInfo->update.drawLinesDuration; } /* if (goomInfo->update.goomvar % 1 == 0) */ { guint32 vtmp; guint32 newvit; goomInfo->update.lockvar = 50; newvit = STOP_SPEED + 1 - ((float) 3.5f * log10 (goomInfo->sound.speedvar * 60 + 1)); /* retablir le zoom avant.. */ if ((goomInfo->update.zoomFilterData.reverse) && (!(goomInfo->cycle % 13)) && (rand () % 5 == 0)) { goomInfo->update.zoomFilterData.reverse = 0; goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - 2; goomInfo->update.lockvar = 75; } if (goom_irand (goomInfo->gRandom, 10) == 0) { goomInfo->update.zoomFilterData.reverse = 1; goomInfo->update.lockvar = 100; } if (goom_irand (goomInfo->gRandom, 10) == 0) goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - 1; if (goom_irand (goomInfo->gRandom, 12) == 0) goomInfo->update.zoomFilterData.vitesse = STOP_SPEED + 1; /* changement de milieu.. */ switch (goom_irand (goomInfo->gRandom, 25)) { case 0: case 3: case 6: goomInfo->update.zoomFilterData.middleY = goomInfo->screen.height - 1; goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width / 2; break; case 1: case 4: goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width - 1; break; case 2: case 5: goomInfo->update.zoomFilterData.middleX = 1; break; default: goomInfo->update.zoomFilterData.middleY = goomInfo->screen.height / 2; goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width / 2; } if ((goomInfo->update.zoomFilterData.mode == WATER_MODE) || (goomInfo->update.zoomFilterData.mode == YONLY_MODE) || (goomInfo->update.zoomFilterData.mode == AMULETTE_MODE)) { goomInfo->update.zoomFilterData.middleX = goomInfo->screen.width / 2; goomInfo->update.zoomFilterData.middleY = goomInfo->screen.height / 2; } switch (vtmp = (goom_irand (goomInfo->gRandom, 15))) { case 0: goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand (goomInfo->gRandom, 3) - goom_irand (goomInfo->gRandom, 3); goomInfo->update.zoomFilterData.hPlaneEffect = goom_irand (goomInfo->gRandom, 3) - goom_irand (goomInfo->gRandom, 3); break; case 3: goomInfo->update.zoomFilterData.vPlaneEffect = 0; goomInfo->update.zoomFilterData.hPlaneEffect = goom_irand (goomInfo->gRandom, 8) - goom_irand (goomInfo->gRandom, 8); break; case 4: case 5: case 6: case 7: goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand (goomInfo->gRandom, 5) - goom_irand (goomInfo->gRandom, 5); goomInfo->update.zoomFilterData.hPlaneEffect = -goomInfo->update.zoomFilterData.vPlaneEffect; break; case 8: goomInfo->update.zoomFilterData.hPlaneEffect = 5 + goom_irand (goomInfo->gRandom, 8); goomInfo->update.zoomFilterData.vPlaneEffect = -goomInfo->update.zoomFilterData.hPlaneEffect; break; case 9: goomInfo->update.zoomFilterData.vPlaneEffect = 5 + goom_irand (goomInfo->gRandom, 8); goomInfo->update.zoomFilterData.hPlaneEffect = -goomInfo->update.zoomFilterData.hPlaneEffect; break; case 13: goomInfo->update.zoomFilterData.hPlaneEffect = 0; goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand (goomInfo->gRandom, 10) - goom_irand (goomInfo->gRandom, 10); break; case 14: goomInfo->update.zoomFilterData.hPlaneEffect = goom_irand (goomInfo->gRandom, 10) - goom_irand (goomInfo->gRandom, 10); goomInfo->update.zoomFilterData.vPlaneEffect = goom_irand (goomInfo->gRandom, 10) - goom_irand (goomInfo->gRandom, 10); break; default: if (vtmp < 10) { goomInfo->update.zoomFilterData.vPlaneEffect = 0; goomInfo->update.zoomFilterData.hPlaneEffect = 0; } } if (goom_irand (goomInfo->gRandom, 5) != 0) goomInfo->update.zoomFilterData.noisify = 0; else { goomInfo->update.zoomFilterData.noisify = goom_irand (goomInfo->gRandom, 2) + 1; goomInfo->update.lockvar *= 2; } if (goomInfo->update.zoomFilterData.mode == AMULETTE_MODE) { goomInfo->update.zoomFilterData.vPlaneEffect = 0; goomInfo->update.zoomFilterData.hPlaneEffect = 0; goomInfo->update.zoomFilterData.noisify = 0; } if ((goomInfo->update.zoomFilterData.middleX == 1) || (goomInfo->update.zoomFilterData.middleX == (signed int) goomInfo->screen.width - 1)) { goomInfo->update.zoomFilterData.vPlaneEffect = 0; if (goom_irand (goomInfo->gRandom, 2)) goomInfo->update.zoomFilterData.hPlaneEffect = 0; } if ((signed int) newvit < goomInfo->update.zoomFilterData.vitesse) { /* on accelere */ pzfd = &goomInfo->update.zoomFilterData; if (((newvit < STOP_SPEED - 7) && (goomInfo->update.zoomFilterData.vitesse < STOP_SPEED - 6) && (goomInfo->cycle % 3 == 0)) || (goom_irand (goomInfo->gRandom, 40) == 0)) { goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - goom_irand (goomInfo->gRandom, 2) + goom_irand (goomInfo->gRandom, 2); goomInfo->update.zoomFilterData.reverse = !goomInfo->update.zoomFilterData.reverse; } else { goomInfo->update.zoomFilterData.vitesse = (newvit + goomInfo->update.zoomFilterData.vitesse * 7) / 8; } goomInfo->update.lockvar += 50; } } if (goomInfo->update.lockvar > 150) { goomInfo->update.switchIncr = goomInfo->update.switchIncrAmount; goomInfo->update.switchMult = 1.0f; } } /* mode mega-lent */ if (goom_irand (goomInfo->gRandom, 700) == 0) { /* * printf ("coup du sort...\n") ; */ pzfd = &goomInfo->update.zoomFilterData; goomInfo->update.zoomFilterData.vitesse = STOP_SPEED - 1; goomInfo->update.zoomFilterData.pertedec = 8; goomInfo->update.zoomFilterData.sqrtperte = 16; goomInfo->update.goomvar = 1; goomInfo->update.lockvar += 50; goomInfo->update.switchIncr = goomInfo->update.switchIncrAmount; goomInfo->update.switchMult = 1.0f; } } /* * gros frein si la musique est calme */ if ((goomInfo->sound.speedvar < 0.01f) && (goomInfo->update.zoomFilterData.vitesse < STOP_SPEED - 4) && (goomInfo->cycle % 16 == 0)) { pzfd = &goomInfo->update.zoomFilterData; goomInfo->update.zoomFilterData.vitesse += 3; goomInfo->update.zoomFilterData.pertedec = 8; goomInfo->update.zoomFilterData.sqrtperte = 16; goomInfo->update.goomvar = 0; } /* * baisser regulierement la vitesse... */ if ((goomInfo->cycle % 73 == 0) && (goomInfo->update.zoomFilterData.vitesse < STOP_SPEED - 5)) { pzfd = &goomInfo->update.zoomFilterData; goomInfo->update.zoomFilterData.vitesse++; } /* * arreter de decr�menter au bout d'un certain temps */ if ((goomInfo->cycle % 101 == 0) && (goomInfo->update.zoomFilterData.pertedec == 7)) { pzfd = &goomInfo->update.zoomFilterData; goomInfo->update.zoomFilterData.pertedec = 8; goomInfo->update.zoomFilterData.sqrtperte = 16; } /* * Permet de forcer un effet. */ if ((forceMode > 0) && (forceMode <= NB_FX)) { pzfd = &goomInfo->update.zoomFilterData; pzfd->mode = forceMode - 1; } if (forceMode == -1) { pzfd = NULL; } /* * Changement d'effet de zoom ! */ if (pzfd != NULL) { int dif; goomInfo->update.cyclesSinceLastChange = 0; goomInfo->update.switchIncr = goomInfo->update.switchIncrAmount; dif = goomInfo->update.zoomFilterData.vitesse - goomInfo->update.previousZoomSpeed; if (dif < 0) dif = -dif; if (dif > 2) { goomInfo->update.switchIncr *= (dif + 2) / 2; } goomInfo->update.previousZoomSpeed = goomInfo->update.zoomFilterData.vitesse; goomInfo->update.switchMult = 1.0f; if (((goomInfo->sound.timeSinceLastGoom == 0) && (goomInfo->sound.totalgoom < 2)) || (forceMode > 0)) { goomInfo->update.switchIncr = 0; goomInfo->update.switchMult = goomInfo->update.switchMultAmount; } } else { if (goomInfo->update.cyclesSinceLastChange > TIME_BTW_CHG) { pzfd = &goomInfo->update.zoomFilterData; goomInfo->update.cyclesSinceLastChange = 0; } else goomInfo->update.cyclesSinceLastChange++; } #ifdef VERBOSE if (pzfd) { printf ("GOOM: pzfd->mode = %d\n", pzfd->mode); } #endif /* Zoom here ! */ zoomFilterFastRGB (goomInfo, goomInfo->p1, goomInfo->p2, pzfd, goomInfo->screen.width, goomInfo->screen.height, goomInfo->update.switchIncr, goomInfo->update.switchMult); /* * Affichage tentacule */ goomInfo->tentacles_fx.apply (&goomInfo->tentacles_fx, goomInfo->p1, goomInfo->p2, goomInfo); goomInfo->star_fx.apply (&goomInfo->star_fx, goomInfo->p2, goomInfo->p1, goomInfo); /* * Gestion du Scope */ /* * arret demande */ if ((goomInfo->update.stop_lines & 0xf000) || (!goomInfo->curGState->drawScope)) { float param1, param2, amplitude; int couleur; int mode; choose_a_goom_line (goomInfo, ¶m1, ¶m2, &couleur, &mode, &litude, 1); couleur = GML_BLACK; goom_lines_switch_to (goomInfo->gmline1, mode, param1, amplitude, couleur); goom_lines_switch_to (goomInfo->gmline2, mode, param2, amplitude, couleur); goomInfo->update.stop_lines &= 0x0fff; } /* * arret aleatore.. changement de mode de ligne.. */ if (goomInfo->update.lineMode != goomInfo->update.drawLinesDuration) { goomInfo->update.lineMode--; if (goomInfo->update.lineMode == -1) goomInfo->update.lineMode = 0; } else if ((goomInfo->cycle % 80 == 0) && (goom_irand (goomInfo->gRandom, 5) == 0) && goomInfo->update.lineMode) goomInfo->update.lineMode--; if ((goomInfo->cycle % 120 == 0) && (goom_irand (goomInfo->gRandom, 4) == 0) && (goomInfo->curGState->drawScope)) { if (goomInfo->update.lineMode == 0) goomInfo->update.lineMode = goomInfo->update.drawLinesDuration; else if (goomInfo->update.lineMode == goomInfo->update.drawLinesDuration) { float param1, param2, amplitude; int couleur1, couleur2; int mode; goomInfo->update.lineMode--; choose_a_goom_line (goomInfo, ¶m1, ¶m2, &couleur1, &mode, &litude, goomInfo->update.stop_lines); couleur2 = 5 - couleur1; if (goomInfo->update.stop_lines) { goomInfo->update.stop_lines--; if (goom_irand (goomInfo->gRandom, 2)) couleur2 = couleur1 = GML_BLACK; } goom_lines_switch_to (goomInfo->gmline1, mode, param1, amplitude, couleur1); goom_lines_switch_to (goomInfo->gmline2, mode, param2, amplitude, couleur2); } } /* * si on est dans un goom : afficher les lignes... */ if ((goomInfo->update.lineMode != 0) || (goomInfo->sound.timeSinceLastGoom < 5)) { goomInfo->gmline2->power = goomInfo->gmline1->power; goom_lines_draw (goomInfo, goomInfo->gmline1, data[0], goomInfo->p2); goom_lines_draw (goomInfo, goomInfo->gmline2, data[1], goomInfo->p2); if (((goomInfo->cycle % 121) == 9) && (goom_irand (goomInfo->gRandom, 3) == 1) && ((goomInfo->update.lineMode == 0) || (goomInfo->update.lineMode == goomInfo->update.drawLinesDuration))) { float param1, param2, amplitude; int couleur1, couleur2; int mode; choose_a_goom_line (goomInfo, ¶m1, ¶m2, &couleur1, &mode, &litude, goomInfo->update.stop_lines); couleur2 = 5 - couleur1; if (goomInfo->update.stop_lines) { goomInfo->update.stop_lines--; if (goom_irand (goomInfo->gRandom, 2)) couleur2 = couleur1 = GML_BLACK; } goom_lines_switch_to (goomInfo->gmline1, mode, param1, amplitude, couleur1); goom_lines_switch_to (goomInfo->gmline2, mode, param2, amplitude, couleur2); } } return_val = goomInfo->p1; tmp = goomInfo->p1; goomInfo->p1 = goomInfo->p2; goomInfo->p2 = tmp; /* affichage et swappage des buffers.. */ goomInfo->cycle++; goomInfo->convolve_fx.apply (&goomInfo->convolve_fx, return_val, goomInfo->outputBuf, goomInfo); return (guint32 *) goomInfo->outputBuf; } /**************************************** * CLOSE * ****************************************/ void goom_close (PluginInfo * goomInfo) { if (goomInfo->pixel != NULL) free (goomInfo->pixel); if (goomInfo->back != NULL) free (goomInfo->back); if (goomInfo->conv != NULL) free (goomInfo->conv); goomInfo->pixel = goomInfo->back = NULL; goomInfo->conv = NULL; goom_random_free (goomInfo->gRandom); goom_lines_free (&goomInfo->gmline1); goom_lines_free (&goomInfo->gmline2); /* release_ifs (); */ goomInfo->ifs_fx.free (&goomInfo->ifs_fx); goomInfo->convolve_fx.free (&goomInfo->convolve_fx); goomInfo->star_fx.free (&goomInfo->star_fx); goomInfo->tentacles_fx.free (&goomInfo->tentacles_fx); goomInfo->zoomFilter_fx.free (&goomInfo->zoomFilter_fx); plugin_info_free (goomInfo); free (goomInfo); } /* *** */ void choose_a_goom_line (PluginInfo * goomInfo, float *param1, float *param2, int *couleur, int *mode, float *amplitude, int far) { *mode = goom_irand (goomInfo->gRandom, 3); *amplitude = 1.0f; switch (*mode) { case GML_CIRCLE: if (far) { *param1 = *param2 = 0.47f; *amplitude = 0.8f; break; } if (goom_irand (goomInfo->gRandom, 3) == 0) { *param1 = *param2 = 0; *amplitude = 3.0f; } else if (goom_irand (goomInfo->gRandom, 2)) { *param1 = 0.40f * goomInfo->screen.height; *param2 = 0.22f * goomInfo->screen.height; } else { *param1 = *param2 = goomInfo->screen.height * 0.35; } break; case GML_HLINE: if (goom_irand (goomInfo->gRandom, 4) || far) { *param1 = goomInfo->screen.height / 7; *param2 = 6.0f * goomInfo->screen.height / 7.0f; } else { *param1 = *param2 = goomInfo->screen.height / 2.0f; *amplitude = 2.0f; } break; case GML_VLINE: if (goom_irand (goomInfo->gRandom, 3) || far) { *param1 = goomInfo->screen.width / 7.0f; *param2 = 6.0f * goomInfo->screen.width / 7.0f; } else { *param1 = *param2 = goomInfo->screen.width / 2.0f; *amplitude = 1.5f; } break; } *couleur = goom_irand (goomInfo->gRandom, 6); }