apps/plugins/fireworks.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Zakk Roberts
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "plugin.h"
  22 #include "lib/helper.h"
  23 #include "lib/playback_control.h"
  24
  25
  26
  27 /***
  28  * FIREWORKS.C by ZAKK ROBERTS
  29  * Rockbox plugin simulating a fireworks display.
  30  * Supports all bitmap LCDs, fully scalable.
  31  * Currently disabled for Archos Recorder - runs too slow.
  32  ***/
  33
  34 /* All sorts of keymappings.. */
  35 #if (CONFIG_KEYPAD == IRIVER_H300_PAD) || (CONFIG_KEYPAD == IRIVER_H100_PAD)
  36 #define BTN_MENU BUTTON_OFF
  37 #define BTN_FIRE BUTTON_SELECT
  38
  39 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  40       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  41 #define BTN_MENU BUTTON_MENU
  42 #define BTN_FIRE BUTTON_SELECT
  43
  44 #elif (CONFIG_KEYPAD == RECORDER_PAD)
  45 #define BTN_MENU BUTTON_OFF
  46 #define BTN_FIRE BUTTON_PLAY
  47
  48 #elif (CONFIG_KEYPAD == ARCHOS_AV300_PAD)
  49 #define BTN_MENU BUTTON_OFF
  50 #define BTN_FIRE BUTTON_SELECT
  51
  52 #elif (CONFIG_KEYPAD == ONDIO_PAD)
  53 #define BTN_MENU BUTTON_MENU
  54 #define BTN_FIRE BUTTON_UP
  55
  56 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  57 #define BTN_MENU BUTTON_POWER
  58 #define BTN_FIRE BUTTON_SELECT
  59
  60 #elif (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD)
  61 #define BTN_MENU BUTTON_MODE
  62 #define BTN_FIRE BUTTON_SELECT
  63
  64 #elif (CONFIG_KEYPAD == GIGABEAT_PAD) || \
  65       (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
  66       (CONFIG_KEYPAD == MROBE100_PAD)
  67 #define BTN_MENU BUTTON_MENU
  68 #define BTN_FIRE BUTTON_SELECT
  69
  70 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  71       (CONFIG_KEYPAD == SANSA_C200_PAD)
  72 #define BTN_MENU BUTTON_POWER
  73 #define BTN_FIRE BUTTON_SELECT
  74
  75 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  76 #define BTN_MENU (BUTTON_HOME|BUTTON_REPEAT)
  77 #define BTN_FIRE BUTTON_SELECT
  78
  79 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
  80 #define BTN_MENU BUTTON_POWER
  81 #define BTN_FIRE BUTTON_PLAY
  82
  83 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  84 #define BTN_MENU BUTTON_RC_REC
  85 #define BTN_FIRE BUTTON_RC_PLAY
  86
  87 #elif (CONFIG_KEYPAD == COWON_D2_PAD)
  88 #define BTN_MENU (BUTTON_MENU|BUTTON_REL)
  89
  90 #elif CONFIG_KEYPAD == IAUDIO67_PAD
  91 #define BTN_MENU BUTTON_MENU
  92 #define BTN_FIRE BUTTON_PLAY
  93
  94 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
  95 #define BTN_MENU BUTTON_MENU
  96 #define BTN_FIRE BUTTON_SELECT
  97
  98 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
  99 #define BTN_MENU BUTTON_MENU
 100 #define BTN_FIRE BUTTON_SELECT
 101
 102 #elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
 103 #define BTN_MENU BUTTON_MENU
 104 #define BTN_FIRE BUTTON_PLAY
 105
 106 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 107 #define BTN_MENU BUTTON_MENU
 108 #define BTN_FIRE BUTTON_PLAY
 109
 110 #elif (CONFIG_KEYPAD == ONDAVX747_PAD)
 111 #define BTN_MENU (BUTTON_MENU|BUTTON_REL)
 112
 113 #elif (CONFIG_KEYPAD == SAMSUNG_YH_PAD)
 114 #define BTN_MENU BUTTON_LEFT
 115 #define BTN_FIRE BUTTON_PLAY
 116
 117 #elif (CONFIG_KEYPAD == PBELL_VIBE500_PAD)
 118 #define BTN_MENU BUTTON_MENU
 119 #define BTN_FIRE BUTTON_OK
 120
 121 #elif (CONFIG_KEYPAD == MPIO_HD200_PAD)
 122 #define BTN_MENU BUTTON_REC
 123 #define BTN_FIRE BUTTON_PLAY
 124
 125 #elif (CONFIG_KEYPAD == MPIO_HD300_PAD)
 126 #define BTN_MENU BUTTON_MENU
 127 #define BTN_FIRE BUTTON_PLAY
 128
 129 #elif defined(HAVE_TOUCHSCREEN)
 130     /* This is a touchscreen target */
 131 #else
 132 #error No keymap defined!
 133 #endif
 134
 135 #ifdef HAVE_TOUCHSCREEN
 136 #ifndef BTN_MENU
 137 #define BTN_MENU (BUTTON_TOPLEFT|BUTTON_REL)
 138 #endif
 139 #ifndef BTN_FIRE
 140 #define BTN_FIRE BUTTON_CENTER
 141 #endif
 142 #endif
 143
 144 /* The lowdown on source terminology:
 145  * a ROCKET is launched from the LCD bottom.
 146  * FIREWORKs are ejected from the rocket when it explodes. */
 147
 148 #define MAX_ROCKETS 40
 149 #define ROCKET_LIFE (LCD_HEIGHT/2)
 150 #define ROCKET_LIFE_VAR (LCD_HEIGHT/4)
 151 #define ROCKET_SIZE 2
 152 #define ROCKET_MOVEMENT_RANGE 4
 153 #define ROCKET_TRAIL_PARTICLES 50
 154
 155 #define MAX_FIREWORKS 40
 156 #define FIREWORK_MOVEMENT_RANGE 6
 157 #define FIREWORK_SIZE  2
 158
 159 /* position, speed, "phase" (age), color of all fireworks */
 160 int firework_xpoints[MAX_ROCKETS][MAX_FIREWORKS];
 161 int firework_ypoints[MAX_ROCKETS][MAX_FIREWORKS];
 162 int firework_xspeed[MAX_ROCKETS][MAX_FIREWORKS];
 163 int firework_yspeed[MAX_ROCKETS][MAX_FIREWORKS];
 164 int firework_phase[MAX_ROCKETS];
 165 #ifdef HAVE_LCD_COLOR
 166 int firework_color[MAX_ROCKETS][MAX_FIREWORKS];
 167 #endif
 168
 169 /* position, speed, "phase" (age) of all rockets */
 170 int rocket_xpos[MAX_ROCKETS];
 171 int rocket_ypos[MAX_ROCKETS];
 172 int rocket_xspeed[MAX_ROCKETS];
 173 int rocket_yspeed[MAX_ROCKETS];
 174 int rocket_phase[MAX_ROCKETS];
 175 int rocket_targetphase[MAX_ROCKETS];
 176
 177 /* settings values. these should eventually be saved to
 178  * disk. maybe a preset loading/saving system? */
 179 int autofire_delay = 0;
 180 int particles_per_firework = 2;
 181 int particle_life = 1;
 182 int gravity = 1;
 183 int show_rockets = 1;
 184 int frames_per_second = 4;
 185 bool quit_plugin = false;
 186
 187 /* firework colors:
 188  * firework_colors = brightest firework color, used most of the time.
 189  * DARK colors = fireworks are nearly burnt out.
 190  * DARKER colors = fireworks are several frames away from burning out.
 191  * DARKEST colors = fireworks are a couple frames from burning out. */
 192 #ifdef HAVE_LCD_COLOR
 193 static const unsigned firework_colors[] = {
 194 LCD_RGBPACK(0,255,64), LCD_RGBPACK(61,255,249), LCD_RGBPACK(255,200,61),
 195 LCD_RGBPACK(217,22,217), LCD_RGBPACK(22,217,132), LCD_RGBPACK(67,95,254),
 196 LCD_RGBPACK(151,84,213) };
 197
 198 static const unsigned firework_dark_colors[] = {
 199 LCD_RGBPACK(0,128,32), LCD_RGBPACK(30,128,128), LCD_RGBPACK(128,100,30),
 200 LCD_RGBPACK(109,11,109), LCD_RGBPACK(11,109,66), LCD_RGBPACK(33,47,128),
 201 LCD_RGBPACK(75,42,105) };
 202
 203 static const unsigned firework_darker_colors[] = {
 204 LCD_RGBPACK(0,64,16), LCD_RGBPACK(15,64,64), LCD_RGBPACK(64,50,15),
 205 LCD_RGBPACK(55,5,55), LCD_RGBPACK(5,55,33), LCD_RGBPACK(16,24,64),
 206 LCD_RGBPACK(38,21,52) };
 207
 208 static const unsigned firework_darkest_colors[] = {
 209 LCD_RGBPACK(0,32,8), LCD_RGBPACK(7,32,32), LCD_RGBPACK(32,25,7),
 210 LCD_RGBPACK(27,2,27), LCD_RGBPACK(2,27,16), LCD_RGBPACK(8,12,32),
 211 LCD_RGBPACK(19,10,26) };
 212
 213 #define EXPLOSION_COLOR LCD_RGBPACK(255,240,0)
 214
 215 #endif
 216
 217 static const struct opt_items autofire_delay_settings[15] = {
 218     { "Off",   -1 },
 219     { "50ms",  -1 },
 220     { "100ms", -1 },
 221     { "200ms", -1 },
 222     { "300ms", -1 },
 223     { "400ms", -1 },
 224     { "500ms", -1 },
 225     { "600ms", -1 },
 226     { "700ms", -1 },
 227     { "800ms", -1 },
 228     { "900ms", -1 },
 229     { "1s",    -1 },
 230     { "2s",    -1 },
 231     { "3s",    -1 },
 232     { "4s",    -1 }
 233 };
 234
 235 int autofire_delay_values[15] = {
 236     0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400 };
 237
 238 static const struct opt_items particle_settings[8] = {
 239     { "5",  -1 },
 240     { "10", -1 },
 241     { "15", -1 },
 242     { "20", -1 },
 243     { "25", -1 },
 244     { "30", -1 },
 245     { "35", -1 },
 246     { "40", -1 },
 247 };
 248
 249 int particle_values[8] = {
 250     5, 10, 15, 20, 25, 30, 35, 40 };
 251
 252 static const struct opt_items particle_life_settings[9] = {
 253     { "20 cycles",  -1 },
 254     { "30 cycles",  -1 },
 255     { "40 cycles",  -1 },
 256     { "50 cycles",  -1 },
 257     { "60 cycles",  -1 },
 258     { "70 cycles",  -1 },
 259     { "80 cycles",  -1 },
 260     { "90 cycles",  -1 },
 261     { "100 cycles", -1 }
 262 };
 263
 264 int particle_life_values[9] = {
 265     20, 30, 40, 50, 60, 70, 80, 90, 100 };
 266
 267 static const struct opt_items gravity_settings[4] = {
 268     { "Off",      -1 },
 269     { "Weak",     -1 },
 270     { "Moderate", -1 },
 271     { "Strong",   -1 },
 272 };
 273
 274 int gravity_values[4] = {
 275     0, 30, 20, 10 };
 276
 277 #ifdef HAVE_LCD_COLOR
 278
 279 static const struct opt_items rocket_settings[3] = {
 280     { "No",                -1 },
 281     { "Yes (no trails)",   -1 },
 282     { "Yes (with trails)", -1 },
 283 };
 284 int rocket_values[4] = {
 285     2, 1, 0 };
 286
 287 #else
 288
 289 static const struct opt_items rocket_settings[2] = {
 290     { "No",  -1 },
 291     { "Yes", -1 },
 292 };
 293 int rocket_values[4] = {
 294     1, 0 };
 295
 296 #endif
 297
 298 static const struct opt_items fps_settings[9] = {
 299     { "20 FPS", -1 },
 300     { "25 FPS", -1 },
 301     { "30 FPS", -1 },
 302     { "35 FPS", -1 },
 303     { "40 FPS", -1 },
 304     { "45 FPS", -1 },
 305     { "50 FPS", -1 },
 306     { "55 FPS", -1 },
 307     { "60 FPS", -1 }
 308 };
 309
 310 int fps_values[9] = {
 311     20, 25, 30, 35, 40, 45, 50, 55, 60 };
 312
 313 MENUITEM_STRINGLIST(menu, "Fireworks Menu", NULL,
 314                     "Start Demo", "Auto-Fire", "Particles Per Firework",
 315                     "Particle Life", "Gravity", "Show Rockets",
 316                     "FPS (Speed)", "Playback Control", "Quit");
 317
 318 /* called on startup. initializes all variables, etc */
 319 void init_all(void)
 320 {
 321     int j;
 322
 323     for(j=0; j<MAX_ROCKETS; j++)
 324     {
 325         rocket_phase[j] = -1;
 326         firework_phase[j] = -1;
 327     }
 328 }
 329
 330 /* called when a rocket hits its destination height.
 331  * prepares all associated fireworks to be expelled. */
 332 void init_explode(int x, int y, int firework, int points)
 333 {
 334     int i;
 335
 336     for(i=0; i<points; i++)
 337     {
 338         rb->srand(*rb->current_tick * i);
 339
 340         firework_xpoints[firework][i] = x;
 341         firework_ypoints[firework][i] = y;
 342
 343         firework_xspeed[firework][i] = (rb->rand() % FIREWORK_MOVEMENT_RANGE)
 344                                             - FIREWORK_MOVEMENT_RANGE/2;
 345         firework_yspeed[firework][i] = (rb->rand() % FIREWORK_MOVEMENT_RANGE)
 346                                             - FIREWORK_MOVEMENT_RANGE/2;
 347
 348 #ifdef HAVE_LCD_COLOR
 349         firework_color[firework][i] = rb->rand() % 7;
 350 #endif
 351     }
 352 }
 353
 354 /* called when a rocket is launched.
 355  * prepares said rocket to start moving towards its destination. */
 356 void init_rocket(int rocket)
 357 {
 358     rb->srand(*rb->current_tick);
 359
 360     rocket_xpos[rocket] = rb->rand() % LCD_WIDTH;
 361     rocket_ypos[rocket] = LCD_HEIGHT;
 362
 363     rocket_xspeed[rocket] = (rb->rand() % ROCKET_MOVEMENT_RANGE)
 364                                 - ROCKET_MOVEMENT_RANGE/2;
 365     rocket_yspeed[rocket] = 3;
 366
 367     rocket_phase[rocket] = 0;
 368     rocket_targetphase[rocket] = (ROCKET_LIFE + (rb->rand() % ROCKET_LIFE_VAR))
 369                                     / rocket_yspeed[rocket];
 370 }
 371
 372 /* startup/configuration menu. */
 373 void fireworks_menu(void)
 374 {
 375     int selected = 0, result;
 376     bool menu_quit = false;
 377
 378     rb->lcd_setfont(FONT_UI);
 379 #ifdef HAVE_LCD_COLOR
 380     rb->lcd_set_background(LCD_BLACK);
 381     rb->lcd_set_foreground(LCD_WHITE);
 382 #endif
 383     rb->lcd_clear_display();
 384     rb->lcd_update();
 385
 386     rb->button_clear_queue();
 387
 388     while(!menu_quit)
 389     {
 390         result = rb->do_menu(&menu, &selected, NULL, false);
 391
 392         switch(result)
 393         {
 394             case 0:
 395                 rb->lcd_setfont(FONT_SYSFIXED);
 396
 397 #ifdef HAVE_LCD_COLOR
 398                 rb->lcd_set_background(LCD_BLACK);
 399                 rb->lcd_set_foreground(LCD_WHITE);
 400 #endif
 401
 402                 rb->lcd_clear_display();
 403                 rb->lcd_update();
 404
 405                 init_all();
 406                 menu_quit = true;
 407                 break;
 408
 409             case 1:
 410                 rb->set_option("Auto-Fire", &autofire_delay, INT,
 411                                 autofire_delay_settings, 15, NULL);
 412                 break;
 413
 414             case 2:
 415                 rb->set_option("Particles Per Firework", &particles_per_firework,
 416                                 INT, particle_settings, 8, NULL);
 417                 break;
 418
 419             case 3:
 420                 rb->set_option("Particle Life", &particle_life, INT,
 421                                 particle_life_settings, 9, NULL);
 422                 break;
 423
 424             case 4:
 425                 rb->set_option("Gravity", &gravity, INT,
 426                                 gravity_settings, 4, NULL);
 427                 break;
 428
 429             case 5:
 430                 rb->set_option("Show Rockets", &show_rockets, INT,
 431                                 rocket_settings, 3, NULL);
 432                 break;
 433
 434             case 6:
 435                 rb->set_option("FPS (Speed)", &frames_per_second, INT,
 436                                 fps_settings, 9, NULL);
 437                 break;
 438
 439             case 7:
 440                 playback_control(NULL);
 441                 break;
 442
 443             case 8:
 444                 quit_plugin = true;
 445                 menu_quit = true;
 446                 break;
 447         }
 448     }
 449 }
 450
 451 /* this is the plugin entry point */
 452 enum plugin_status plugin_start(const void* parameter)
 453 {
 454     (void)parameter;
 455
 456     int j, i;
 457     int thisrocket=0;
 458     int start_tick, elapsed_tick;
 459     int button;
 460
 461     /* set everything up.. no BL timeout, no backdrop,
 462        white-text-on-black-background. */
 463     backlight_force_on(); /* backlight control in lib/helper.c */
 464 #if LCD_DEPTH > 1
 465     rb->lcd_set_backdrop(NULL);
 466     rb->lcd_set_background(LCD_BLACK);
 467     rb->lcd_set_foreground(LCD_WHITE);
 468 #endif
 469
 470 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 471     rb->cpu_boost(true);
 472 #endif
 473
 474     fireworks_menu();
 475
 476     start_tick = *rb->current_tick;
 477
 478     while(!quit_plugin)
 479     {
 480         rb->lcd_clear_display();
 481
 482         /* loop through every possible rocket */
 483         for(j=0; j<MAX_ROCKETS; j++)
 484         {
 485             /* if the current rocket is actually moving/"alive" then go on and
 486              * move/update/explode it */
 487             if(rocket_phase[j] > -1)
 488             {
 489 #ifdef HAVE_LCD_COLOR /* draw trail, if requested */
 490                 if(show_rockets==2)
 491                 {
 492                     rb->lcd_set_foreground(LCD_RGBPACK(128,128,128));
 493                     rb->lcd_fillrect(rocket_xpos[j], rocket_ypos[j],
 494                                      ROCKET_SIZE, ROCKET_SIZE);
 495                     rb->lcd_set_foreground(LCD_RGBPACK(64,64,64));
 496                     rb->lcd_fillrect(rocket_xpos[j]-rocket_xspeed[j],
 497                                      rocket_ypos[j]+rocket_yspeed[j],
 498                                      ROCKET_SIZE, ROCKET_SIZE);
 499                 }
 500 #endif
 501
 502                 /* move rocket */
 503                 rocket_xpos[j] += rocket_xspeed[j];
 504                 rocket_ypos[j] -= rocket_yspeed[j];
 505
 506 #ifdef HAVE_LCD_COLOR
 507                 rb->lcd_set_foreground(LCD_WHITE);
 508 #endif
 509                 if(show_rockets==2 || show_rockets==1)
 510                     rb->lcd_fillrect(rocket_xpos[j], rocket_ypos[j],
 511                                     ROCKET_SIZE, ROCKET_SIZE);
 512
 513                 /* if(rocket isn't "there" yet) keep moving
 514                  * if(rocket IS there) explode it. */
 515                 if(rocket_phase[j] < rocket_targetphase[j])
 516                     rocket_phase[j]++;
 517                 else
 518                 {
 519                     rocket_phase[j] = -1;
 520
 521                     firework_phase[j] = 0;
 522                     init_explode(rocket_xpos[j], rocket_ypos[j], j,
 523                                 particle_values[particles_per_firework]);
 524                 }
 525             }
 526
 527             /* and now onto the fireworks for this particular rocket... */
 528             if(firework_phase[j] > -1)
 529             {
 530                 for(i=0; i<particle_values[particles_per_firework]; i++)
 531                 {
 532                     firework_xpoints[j][i] += firework_xspeed[j][i];
 533                     firework_ypoints[j][i] += firework_yspeed[j][i];
 534
 535                     if(gravity != 0)
 536                         firework_ypoints[j][i] += firework_phase[j]
 537                                                     /gravity_values[gravity];
 538
 539 #ifdef HAVE_LCD_COLOR
 540                     rb->lcd_set_foreground(
 541                         firework_darkest_colors[firework_color[j][i]]);
 542                     rb->lcd_fillrect(firework_xpoints[j][i]-1,
 543                                      firework_ypoints[j][i]-1,
 544                                      FIREWORK_SIZE+2, FIREWORK_SIZE+2);
 545
 546                     int phase_left = particle_life_values[particle_life]
 547                                         - firework_phase[j];
 548                     if(phase_left > 10)
 549                         rb->lcd_set_foreground(
 550                             firework_colors[firework_color[j][i]]);
 551                     else if(phase_left > 7)
 552                         rb->lcd_set_foreground(
 553                             firework_dark_colors[firework_color[j][i]]);
 554                     else if(phase_left > 3)
 555                         rb->lcd_set_foreground(
 556                             firework_darker_colors[firework_color[j][i]]);
 557                     else
 558                         rb->lcd_set_foreground(
 559                             firework_darkest_colors[firework_color[j][i]]);
 560 #endif
 561                     rb->lcd_fillrect(firework_xpoints[j][i],
 562                                      firework_ypoints[j][i],
 563                                      FIREWORK_SIZE, FIREWORK_SIZE);
 564 /* WIP - currently ugly explosion effect
 565 #ifdef HAVE_LCD_COLOR
 566                     if(firework_phase[j] < 10)
 567                     {
 568                         rb->lcd_set_foreground(EXPLOSION_COLOR);
 569                         rb->lcd_fillrect(rocket_xpos[j]-firework_phase[j],
 570                                          rocket_ypos[j]-firework_phase[j],
 571                                          firework_phase[j]*2, firework_phase[j]*2);
 572                     }
 573 #endif */
 574                 }
 575
 576 #ifdef HAVE_LCD_COLOR
 577                     rb->lcd_set_foreground(LCD_WHITE);
 578 #endif
 579
 580                 /* firework at its destination age?
 581                  * no = keep aging; yes = delete it. */
 582                 if(firework_phase[j] < particle_life_values[particle_life])
 583                     firework_phase[j]++;
 584                 else
 585                     firework_phase[j] = -1;
 586             }
 587         }
 588
 589         /* is autofire on? */
 590         if(autofire_delay != 0)
 591         {
 592             elapsed_tick = *rb->current_tick - start_tick;
 593
 594             if(elapsed_tick > autofire_delay_values[autofire_delay])
 595             {
 596                 init_rocket(thisrocket);
 597                 if(++thisrocket == MAX_ROCKETS)
 598                     thisrocket = 0;
 599
 600                 start_tick = *rb->current_tick;
 601             }
 602         }
 603
 604         rb->lcd_update();
 605
 606         button = rb->button_get_w_tmo(HZ/fps_values[frames_per_second]);
 607         switch(button)
 608         {
 609             case BTN_MENU: /* back to config menu */
 610                 fireworks_menu();
 611                 break;
 612
 613             case BTN_FIRE: /* fire off rockets manually */
 614             case BTN_FIRE|BUTTON_REPEAT:
 615                 init_rocket(thisrocket);
 616                 if(++thisrocket == MAX_ROCKETS)
 617                     thisrocket=0;
 618                 break;
 619         }
 620     }
 621     /* Turn on backlight timeout (revert to settings) */
 622     backlight_use_settings(); /* backlight control in lib/helper.c */
 623
 624 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 625     rb->cpu_boost(false);
 626 #endif
 627
 628     return PLUGIN_OK;
 629 }