apps/plugins/sliding_puzzle.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Vicentini Martin
  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
  23 /* variable button definitions */
  24 #if CONFIG_KEYPAD == RECORDER_PAD
  25 #define PUZZLE_QUIT BUTTON_OFF
  26 #define PUZZLE_LEFT BUTTON_LEFT
  27 #define PUZZLE_RIGHT BUTTON_RIGHT
  28 #define PUZZLE_UP BUTTON_UP
  29 #define PUZZLE_DOWN BUTTON_DOWN
  30 #define PUZZLE_SHUFFLE BUTTON_F1
  31 #define PUZZLE_PICTURE BUTTON_F2
  32
  33 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  34 #define PUZZLE_QUIT BUTTON_OFF
  35 #define PUZZLE_LEFT BUTTON_LEFT
  36 #define PUZZLE_RIGHT BUTTON_RIGHT
  37 #define PUZZLE_UP BUTTON_UP
  38 #define PUZZLE_DOWN BUTTON_DOWN
  39 #define PUZZLE_SHUFFLE BUTTON_F1
  40 #define PUZZLE_PICTURE BUTTON_F2
  41
  42 #elif CONFIG_KEYPAD == ONDIO_PAD
  43 #define PUZZLE_QUIT BUTTON_OFF
  44 #define PUZZLE_LEFT BUTTON_LEFT
  45 #define PUZZLE_RIGHT BUTTON_RIGHT
  46 #define PUZZLE_UP BUTTON_UP
  47 #define PUZZLE_DOWN BUTTON_DOWN
  48 #define PUZZLE_SHUFFLE_PICTURE_PRE BUTTON_MENU
  49 #define PUZZLE_SHUFFLE (BUTTON_MENU | BUTTON_REPEAT)
  50 #define PUZZLE_PICTURE (BUTTON_MENU | BUTTON_REL)
  51
  52 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  53       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  54 #define PUZZLE_QUIT BUTTON_OFF
  55 #define PUZZLE_LEFT BUTTON_LEFT
  56 #define PUZZLE_RIGHT BUTTON_RIGHT
  57 #define PUZZLE_UP BUTTON_UP
  58 #define PUZZLE_DOWN BUTTON_DOWN
  59 #define PUZZLE_SHUFFLE BUTTON_SELECT
  60 #define PUZZLE_PICTURE BUTTON_ON
  61
  62 #define PUZZLE_RC_QUIT BUTTON_RC_STOP
  63
  64 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  65       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  66       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  67 #define PUZZLE_QUIT    (BUTTON_SELECT | BUTTON_MENU)
  68 #define PUZZLE_LEFT BUTTON_LEFT
  69 #define PUZZLE_RIGHT BUTTON_RIGHT
  70 #define PUZZLE_UP      BUTTON_MENU
  71 #define PUZZLE_DOWN    BUTTON_PLAY
  72 #define PUZZLE_SHUFFLE (BUTTON_SELECT | BUTTON_LEFT)
  73 #define PUZZLE_PICTURE (BUTTON_SELECT | BUTTON_RIGHT)
  74
  75 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  76 #define PUZZLE_QUIT BUTTON_POWER
  77 #define PUZZLE_LEFT BUTTON_LEFT
  78 #define PUZZLE_RIGHT BUTTON_RIGHT
  79 #define PUZZLE_UP BUTTON_UP
  80 #define PUZZLE_DOWN BUTTON_DOWN
  81 #define PUZZLE_SHUFFLE BUTTON_REC
  82 #define PUZZLE_PICTURE BUTTON_PLAY
  83
  84 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  85 #define PUZZLE_QUIT BUTTON_POWER
  86 #define PUZZLE_LEFT BUTTON_LEFT
  87 #define PUZZLE_RIGHT BUTTON_RIGHT
  88 #define PUZZLE_UP BUTTON_UP
  89 #define PUZZLE_DOWN BUTTON_DOWN
  90 #define PUZZLE_SHUFFLE BUTTON_SELECT
  91 #define PUZZLE_PICTURE BUTTON_A
  92
  93 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  94 (CONFIG_KEYPAD == SANSA_C200_PAD)
  95 #define PUZZLE_QUIT BUTTON_POWER
  96 #define PUZZLE_LEFT BUTTON_LEFT
  97 #define PUZZLE_RIGHT BUTTON_RIGHT
  98 #define PUZZLE_UP BUTTON_UP
  99 #define PUZZLE_DOWN BUTTON_DOWN
 100 #define PUZZLE_SHUFFLE BUTTON_REC
 101 #define PUZZLE_PICTURE BUTTON_SELECT
 102
 103 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 104 #define PUZZLE_QUIT (BUTTON_HOME|BUTTON_REPEAT)
 105 #define PUZZLE_LEFT BUTTON_LEFT
 106 #define PUZZLE_RIGHT BUTTON_RIGHT
 107 #define PUZZLE_UP BUTTON_UP
 108 #define PUZZLE_DOWN BUTTON_DOWN
 109 #define PUZZLE_SHUFFLE BUTTON_SELECT|BUTTON_DOWN
 110 #define PUZZLE_PICTURE BUTTON_SELECT
 111
 112 #elif (CONFIG_KEYPAD == SANSA_CLIP_PAD)
 113 #define PUZZLE_QUIT BUTTON_POWER
 114 #define PUZZLE_LEFT BUTTON_LEFT
 115 #define PUZZLE_RIGHT BUTTON_RIGHT
 116 #define PUZZLE_UP BUTTON_UP
 117 #define PUZZLE_DOWN BUTTON_DOWN
 118 #define PUZZLE_SHUFFLE BUTTON_HOME
 119 #define PUZZLE_PICTURE BUTTON_SELECT
 120
 121 #elif (CONFIG_KEYPAD == SANSA_M200_PAD)
 122 #define PUZZLE_QUIT BUTTON_POWER
 123 #define PUZZLE_LEFT BUTTON_LEFT
 124 #define PUZZLE_RIGHT BUTTON_RIGHT
 125 #define PUZZLE_UP BUTTON_UP
 126 #define PUZZLE_DOWN BUTTON_DOWN
 127 #define PUZZLE_SHUFFLE (BUTTON_SELECT | BUTTON_UP)
 128 #define PUZZLE_PICTURE (BUTTON_SELECT | BUTTON_REL)
 129
 130 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 131 #define PUZZLE_QUIT BUTTON_POWER
 132 #define PUZZLE_LEFT BUTTON_LEFT
 133 #define PUZZLE_RIGHT BUTTON_RIGHT
 134 #define PUZZLE_UP BUTTON_SCROLL_UP
 135 #define PUZZLE_DOWN BUTTON_SCROLL_DOWN
 136 #define PUZZLE_SHUFFLE BUTTON_REW
 137 #define PUZZLE_PICTURE BUTTON_PLAY
 138
 139 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
 140       (CONFIG_KEYPAD == SAMSUNG_YPR0_PAD)
 141 #define PUZZLE_QUIT BUTTON_BACK
 142 #define PUZZLE_LEFT BUTTON_LEFT
 143 #define PUZZLE_RIGHT BUTTON_RIGHT
 144 #define PUZZLE_UP BUTTON_UP
 145 #define PUZZLE_DOWN BUTTON_DOWN
 146 #define PUZZLE_SHUFFLE BUTTON_SELECT
 147 #define PUZZLE_PICTURE BUTTON_MENU
 148
 149 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 150 #define PUZZLE_QUIT BUTTON_POWER
 151 #define PUZZLE_LEFT BUTTON_LEFT
 152 #define PUZZLE_RIGHT BUTTON_RIGHT
 153 #define PUZZLE_UP BUTTON_UP
 154 #define PUZZLE_DOWN BUTTON_DOWN
 155 #define PUZZLE_SHUFFLE BUTTON_SELECT
 156 #define PUZZLE_PICTURE BUTTON_DISPLAY
 157
 158 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 159 #define PUZZLE_QUIT BUTTON_RC_REC
 160 #define PUZZLE_LEFT BUTTON_RC_REW
 161 #define PUZZLE_RIGHT BUTTON_RC_FF
 162 #define PUZZLE_UP BUTTON_RC_VOL_UP
 163 #define PUZZLE_DOWN BUTTON_RC_VOL_DOWN
 164 #define PUZZLE_SHUFFLE BUTTON_RC_MODE
 165 #define PUZZLE_PICTURE BUTTON_RC_MENU
 166
 167 #elif (CONFIG_KEYPAD == COWON_D2_PAD)
 168 #define PUZZLE_QUIT BUTTON_POWER
 169 #define PUZZLE_QUIT_TEXT "[POWER]"
 170
 171 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 172 #define PUZZLE_QUIT BUTTON_BACK
 173 #define PUZZLE_LEFT BUTTON_LEFT
 174 #define PUZZLE_RIGHT BUTTON_RIGHT
 175 #define PUZZLE_UP BUTTON_UP
 176 #define PUZZLE_DOWN BUTTON_DOWN
 177 #define PUZZLE_SHUFFLE BUTTON_PLAY
 178 #define PUZZLE_PICTURE BUTTON_MENU
 179
 180 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 181 #define PUZZLE_QUIT BUTTON_POWER
 182 #define PUZZLE_LEFT BUTTON_LEFT
 183 #define PUZZLE_RIGHT BUTTON_RIGHT
 184 #define PUZZLE_UP BUTTON_UP
 185 #define PUZZLE_DOWN BUTTON_DOWN
 186 #define PUZZLE_SHUFFLE BUTTON_VIEW
 187 #define PUZZLE_PICTURE BUTTON_MENU
 188
 189 #elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
 190 #define PUZZLE_QUIT BUTTON_POWER
 191 #define PUZZLE_LEFT BUTTON_LEFT
 192 #define PUZZLE_RIGHT BUTTON_RIGHT
 193 #define PUZZLE_UP BUTTON_UP
 194 #define PUZZLE_DOWN BUTTON_DOWN
 195 #define PUZZLE_SHUFFLE BUTTON_NEXT
 196 #define PUZZLE_PICTURE BUTTON_MENU
 197
 198 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 199 #define PUZZLE_QUIT BUTTON_POWER
 200 #define PUZZLE_LEFT BUTTON_PREV
 201 #define PUZZLE_RIGHT BUTTON_NEXT
 202 #define PUZZLE_UP BUTTON_UP
 203 #define PUZZLE_DOWN BUTTON_DOWN
 204 #define PUZZLE_SHUFFLE BUTTON_RIGHT
 205 #define PUZZLE_PICTURE BUTTON_MENU
 206
 207 #elif CONFIG_KEYPAD == ONDAVX747_PAD || \
 208 CONFIG_KEYPAD == ONDAVX777_PAD || \
 209 CONFIG_KEYPAD == MROBE500_PAD
 210 #define PUZZLE_QUIT BUTTON_POWER
 211 #define PUZZLE_QUIT_TEXT "[POWER]"
 212
 213 #elif (CONFIG_KEYPAD == SAMSUNG_YH_PAD)
 214 #define PUZZLE_QUIT    BUTTON_REC
 215 #define PUZZLE_LEFT    BUTTON_LEFT
 216 #define PUZZLE_RIGHT   BUTTON_RIGHT
 217 #define PUZZLE_UP      BUTTON_UP
 218 #define PUZZLE_DOWN    BUTTON_DOWN
 219 #define PUZZLE_SHUFFLE BUTTON_REW
 220 #define PUZZLE_PICTURE BUTTON_PLAY
 221
 222 #elif (CONFIG_KEYPAD == PBELL_VIBE500_PAD)
 223 #define PUZZLE_QUIT    BUTTON_REC
 224 #define PUZZLE_LEFT    BUTTON_PREV
 225 #define PUZZLE_RIGHT   BUTTON_NEXT
 226 #define PUZZLE_UP      BUTTON_UP
 227 #define PUZZLE_DOWN    BUTTON_DOWN
 228 #define PUZZLE_SHUFFLE BUTTON_CANCEL
 229 #define PUZZLE_PICTURE BUTTON_MENU
 230
 231 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 232 #define PUZZLE_QUIT    (BUTTON_REC | BUTTON_PLAY)
 233 #define PUZZLE_LEFT BUTTON_VOL_DOWN
 234 #define PUZZLE_RIGHT BUTTON_VOL_UP
 235 #define PUZZLE_UP      BUTTON_REW
 236 #define PUZZLE_DOWN    BUTTON_FF
 237 #define PUZZLE_SHUFFLE BUTTON_REC
 238 #define PUZZLE_PICTURE BUTTON_PLAY
 239
 240 #elif CONFIG_KEYPAD == MPIO_HD300_PAD
 241 #define PUZZLE_QUIT    (BUTTON_REC | BUTTON_REPEAT)
 242 #define PUZZLE_LEFT BUTTON_REW
 243 #define PUZZLE_RIGHT BUTTON_FF
 244 #define PUZZLE_UP      BUTTON_UP
 245 #define PUZZLE_DOWN    BUTTON_DOWN
 246 #define PUZZLE_SHUFFLE BUTTON_ENTER
 247 #define PUZZLE_PICTURE BUTTON_PLAY
 248
 249 #elif CONFIG_KEYPAD == SANSA_FUZEPLUS_PAD
 250 #define PUZZLE_QUIT    BUTTON_POWER
 251 #define PUZZLE_LEFT    BUTTON_LEFT
 252 #define PUZZLE_RIGHT   BUTTON_RIGHT
 253 #define PUZZLE_UP      BUTTON_UP
 254 #define PUZZLE_DOWN    BUTTON_DOWN
 255 #define PUZZLE_SHUFFLE BUTTON_PLAYPAUSE
 256 #define PUZZLE_PICTURE BUTTON_SELECT
 257
 258 #elif CONFIG_KEYPAD == SANSA_CONNECT_PAD
 259 #define PUZZLE_QUIT    BUTTON_POWER
 260 #define PUZZLE_LEFT    BUTTON_LEFT
 261 #define PUZZLE_RIGHT   BUTTON_RIGHT
 262 #define PUZZLE_UP      BUTTON_UP
 263 #define PUZZLE_DOWN    BUTTON_DOWN
 264 #define PUZZLE_SHUFFLE BUTTON_VOL_DOWN
 265 #define PUZZLE_PICTURE BUTTON_SELECT
 266
 267 #else
 268 #error No keymap defined!
 269 #endif
 270
 271 #ifdef HAVE_TOUCHSCREEN
 272 #ifndef PUZZLE_QUIT
 273 #define PUZZLE_QUIT    BUTTON_TOPLEFT
 274 #endif
 275 #ifndef PUZZLE_LEFT
 276 #define PUZZLE_LEFT    BUTTON_MIDLEFT
 277 #endif
 278 #ifndef PUZZLE_RIGHT
 279 #define PUZZLE_RIGHT   BUTTON_MIDRIGHT
 280 #endif
 281 #ifndef PUZZLE_UP
 282 #define PUZZLE_UP      BUTTON_TOPMIDDLE
 283 #endif
 284 #ifndef PUZZLE_DOWN
 285 #define PUZZLE_DOWN    BUTTON_BOTTOMMIDDLE
 286 #endif
 287 #ifndef PUZZLE_SHUFFLE
 288 #define PUZZLE_SHUFFLE BUTTON_BOTTOMLEFT
 289 #endif
 290 #ifndef PUZZLE_PICTURE
 291 #define PUZZLE_PICTURE BUTTON_CENTER
 292 #endif
 293 #ifndef PUZZLE_QUIT_TEXT
 294 #define PUZZLE_QUIT_TEXT "[TOPLEFT]"
 295 #endif
 296 #ifndef PUZZLE_SHUFFLE_TEXT
 297 #define PUZZLE_SHUFFLE_TEXT "[BOTTOMLEFT]"
 298 #endif
 299 #ifndef PUZZLE_PICTURE_TEXT
 300 #define PUZZLE_PICTURE_TEXT "[CENTER]"
 301 #endif
 302 #endif
 303
 304 #ifdef HAVE_ALBUMART
 305 #include "lib/read_image.h"
 306 #define READ_IMAGE read_image_file
 307 #else
 308 #define READ_IMAGE rb->read_bmp_file
 309 #endif
 310
 311 #include "pluginbitmaps/sliding_puzzle.h"
 312 #define IMAGE_WIDTH BMPWIDTH_sliding_puzzle
 313 #define IMAGE_HEIGHT BMPHEIGHT_sliding_puzzle
 314 #define IMAGE_SIZE IMAGE_WIDTH
 315
 316 /* use a square image, (the default Archos bitmap looks square on its display)
 317    Puzzle image dimension is min(lcd_height,lcd_width)
 318    4x4 is more convenient for square puzzles
 319    Note: sliding_puzzle.bmp should be evenly divisible by SPOTS_X
 320    and SPOTS_Y, otherwise lcd_bitmap_part stride won't be correct */
 321 #define SPOTS_X 4
 322 #define SPOTS_Y 4
 323 #define SPOTS_WIDTH  (IMAGE_WIDTH / SPOTS_X)
 324 #define SPOTS_HEIGHT (IMAGE_HEIGHT / SPOTS_Y)
 325 #define NUM_SPOTS    (SPOTS_X*SPOTS_Y)
 326 #define HOLE_ID      (NUM_SPOTS)
 327 #define INITIAL_HOLE (HOLE_ID-1)
 328
 329 enum picmodes
 330 {
 331     PICMODE_NUMERALS = 0,
 332     PICMODE_INITIAL_PICTURE,
 333     PICMODE_DEFAULT_PICTURE,
 334 #ifdef HAVE_ALBUMART
 335     PICMODE_ALBUM_ART,
 336 #endif
 337 //    PICMODE_RANDOM,
 338     PICMODE_LAST_XXX /* placeholder */
 339 };
 340
 341 static const char* const picmode_descriptions[] = {
 342     "Numerals",
 343     "Viewer Picture",
 344     "Default Picture",
 345 #ifdef HAVE_ALBUMART
 346     "Album Art",
 347 #endif
 348     "Shouldn't Get Here",
 349 };
 350
 351 static int spots[NUM_SPOTS];
 352 static int hole = INITIAL_HOLE, moves;
 353 static unsigned char s[32];
 354 static enum picmodes picmode = PICMODE_INITIAL_PICTURE;
 355 static int num_font = FONT_UI;
 356 static int moves_font = FONT_UI;
 357 static int moves_y = 0;
 358
 359 static unsigned char *img_buf;
 360 static size_t img_buf_len;
 361 #ifdef HAVE_ALBUMART
 362 static char albumart_path[MAX_PATH+1];
 363 #endif
 364 static char img_buf_path[MAX_PATH+1];
 365
 366 static const fb_data * puzzle_bmp_ptr;
 367 /* initial_bmp_path points to selected bitmap if this game is launched
 368    as a viewer for a .bmp file, or NULL if game is launched regular way */
 369 static const char * initial_bmp_path=NULL;
 370
 371 #ifdef HAVE_ALBUMART
 372 static const char * get_albumart_bmp_path(void)
 373 {
 374     struct mp3entry* track = rb->audio_current_track();
 375
 376     if (!track || !track->path || track->path[0] == '\0')
 377         return NULL;
 378
 379     if (!rb->search_albumart_files(track, "", albumart_path, MAX_PATH ) )
 380         return NULL;
 381
 382     albumart_path[ MAX_PATH ] = '\0';
 383     return albumart_path;
 384 }
 385 #endif
 386
 387 #if 0 /* unused */
 388 static const char * get_random_bmp_path(void)
 389 {
 390     return(initial_bmp_path);
 391 }
 392 #endif
 393
 394 static bool load_resize_bitmap(void)
 395 {
 396     int rc;
 397     const char * filename = NULL;
 398
 399     /* initially assume using the built-in default */
 400     puzzle_bmp_ptr = sliding_puzzle;
 401
 402     switch( picmode ){
 403         /* some modes don't even need to touch disk and trivially succeed */
 404         case PICMODE_NUMERALS:
 405         case PICMODE_DEFAULT_PICTURE:
 406         default:
 407             return(true);
 408
 409 #ifdef HAVE_ALBUMART
 410         case PICMODE_ALBUM_ART:
 411             filename = get_albumart_bmp_path();
 412             break;
 413 #endif
 414 /*
 415         case PICMODE_RANDOM:
 416             if(NULL == (filename=get_random_bmp_path()) )
 417                 filename = initial_bmp_path;
 418             break;
 419 */
 420         case PICMODE_INITIAL_PICTURE:
 421             filename = initial_bmp_path;
 422             break;
 423     };
 424
 425     if( filename != NULL )
 426     {
 427         /* if we already loaded image before, don't touch disk */
 428         if( 0 == rb->strcmp( filename, img_buf_path ) )
 429         {
 430             puzzle_bmp_ptr = (const fb_data *)img_buf;
 431             return true;
 432         }
 433
 434         struct bitmap main_bitmap;
 435         rb->memset(&main_bitmap,0,sizeof(struct bitmap));
 436         main_bitmap.data = img_buf;
 437
 438         main_bitmap.width = IMAGE_WIDTH;
 439         main_bitmap.height = IMAGE_HEIGHT;
 440
 441         rc = READ_IMAGE( filename, &main_bitmap,
 442                          img_buf_len,
 443                          FORMAT_NATIVE|FORMAT_RESIZE|FORMAT_DITHER,
 444                          NULL);
 445         if( rc > 0 )
 446         {
 447             puzzle_bmp_ptr = (const fb_data *)img_buf;
 448             rb->strcpy( img_buf_path, filename );
 449             return true;
 450         }
 451     }
 452
 453     /* something must have failed. get_albumart_bmp_path could return
 454        NULL if albumart doesn't exist or couldn't be loaded, or
 455        read_bmp_file could have failed.  return false and caller should
 456        try the next mode (PICMODE_DEFAULT_PICTURE and PICMODE_NUMERALS will
 457        always succeed) */
 458     return false;
 459 }
 460
 461 /* draws a spot at the coordinates (x,y), range of p is 1-20 */
 462 static void draw_spot(int p, int x, int y)
 463 {
 464     int w, h;
 465
 466     if (p == HOLE_ID)
 467     {
 468 #if LCD_DEPTH==1
 469         /* the bottom-right cell of the default sliding_puzzle image is
 470            an appropriate hole graphic */
 471         rb->lcd_bitmap_part(sliding_puzzle, ((p-1)%SPOTS_X)*SPOTS_WIDTH,
 472                     ((p-1)/SPOTS_X)*SPOTS_HEIGHT,
 473                     STRIDE( SCREEN_MAIN,
 474                             BMPWIDTH_sliding_puzzle, BMPHEIGHT_sliding_puzzle),
 475                     x, y, SPOTS_WIDTH, SPOTS_HEIGHT);
 476 #else
 477         /* just draw a black rectangle */
 478         int old_fg = rb->lcd_get_foreground();
 479         rb->lcd_set_foreground(LCD_BLACK);
 480         rb->lcd_fillrect(x,y,SPOTS_WIDTH,SPOTS_HEIGHT);
 481         rb->lcd_set_foreground(LCD_WHITE);
 482         rb->lcd_drawrect(x,y,SPOTS_WIDTH,SPOTS_HEIGHT);
 483         rb->lcd_set_foreground(old_fg);
 484 #endif
 485     }
 486     else if (picmode != PICMODE_NUMERALS)
 487     {
 488         rb->lcd_bitmap_part( puzzle_bmp_ptr, ((p-1)%SPOTS_X)*SPOTS_WIDTH,
 489                      ((p-1)/SPOTS_X)*SPOTS_HEIGHT,
 490                      STRIDE( SCREEN_MAIN,
 491                              BMPWIDTH_sliding_puzzle, BMPHEIGHT_sliding_puzzle),
 492                      x, y, SPOTS_WIDTH, SPOTS_HEIGHT);
 493     } else {
 494         rb->lcd_drawrect(x, y, SPOTS_WIDTH, SPOTS_HEIGHT);
 495         rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 496         rb->lcd_fillrect(x+1, y+1, SPOTS_WIDTH-2, SPOTS_HEIGHT-2);
 497         rb->lcd_set_drawmode(DRMODE_SOLID);
 498         rb->snprintf(s, sizeof(s), "%d", p);
 499         rb->lcd_setfont(num_font);
 500         rb->lcd_getstringsize(s, &w, &h);
 501         rb->lcd_putsxy(x + (SPOTS_WIDTH/2) - w / 2,
 502                        y + (SPOTS_HEIGHT/2) - h / 2, s);
 503     }
 504 }
 505
 506 /* check if the puzzle is solved */
 507 static bool puzzle_finished(void)
 508 {
 509     int i;
 510     for (i=0; i<NUM_SPOTS; i++)
 511     if (spots[i] != (i+1))
 512         return false;
 513     return true;
 514 }
 515
 516 /* move a piece in any direction */
 517 static void move_spot(int x, int y)
 518 {
 519     int i, w;
 520     spots[hole] = spots[hole-x-SPOTS_X*y];
 521     hole -= (x+SPOTS_X*y);
 522     moves++;
 523     rb->lcd_setfont(moves_font);
 524 #if LCD_WIDTH > LCD_HEIGHT
 525     rb->snprintf(s, sizeof(s), "%d", moves);
 526     w = rb->lcd_getstringsize(s, NULL, NULL);
 527     rb->lcd_putsxy((IMAGE_WIDTH+1+(LCD_WIDTH-IMAGE_WIDTH-1)/2) - w / 2,
 528                    moves_y, s);
 529 #else
 530     (void)w;
 531     rb->lcd_putsxyf(3, moves_y, "Moves: %d", moves);
 532 #endif
 533     for(i=1;i<=4;i++)
 534     {
 535        draw_spot(HOLE_ID,
 536                  (hole%SPOTS_X)*SPOTS_WIDTH,
 537                  (hole/SPOTS_X)*SPOTS_HEIGHT);
 538        draw_spot(spots[hole],
 539                  (hole%SPOTS_X)*SPOTS_WIDTH + (i*x*SPOTS_WIDTH)/5,
 540                  (hole/SPOTS_X)*SPOTS_HEIGHT + (i*y*SPOTS_HEIGHT)/5);
 541        rb->lcd_update();
 542        rb->sleep(HZ/50);
 543     }
 544     draw_spot(HOLE_ID,
 545               (hole%SPOTS_X)*SPOTS_WIDTH,
 546               (hole/SPOTS_X)*SPOTS_HEIGHT);
 547     draw_spot(spots[hole],
 548               ((hole%SPOTS_X)+x)*SPOTS_WIDTH,
 549               ((hole/SPOTS_X)+y)*SPOTS_HEIGHT);
 550     rb->lcd_update();
 551
 552     spots[hole] = HOLE_ID;
 553 }
 554
 555 static void draw_playfield(void)
 556 {
 557     int i, w;
 558
 559     rb->lcd_clear_display();
 560     rb->lcd_setfont(moves_font);
 561 #if LCD_WIDTH > LCD_HEIGHT
 562     rb->lcd_vline(IMAGE_WIDTH, 0, LCD_HEIGHT-1);
 563     w = rb->lcd_getstringsize("Moves", NULL, NULL);
 564     rb->lcd_putsxy((IMAGE_WIDTH+1+(LCD_WIDTH-IMAGE_WIDTH-1)/2) - w / 2,
 565                    10, "Moves");
 566     rb->snprintf(s, sizeof(s), "%d", moves);
 567     w = rb->lcd_getstringsize(s, NULL, NULL);
 568     rb->lcd_putsxy((IMAGE_WIDTH+1+(LCD_WIDTH-IMAGE_WIDTH-1)/2) - w / 2,
 569                    moves_y, s);
 570 #else
 571     (void)w;
 572     rb->lcd_hline(0, LCD_WIDTH-1, IMAGE_HEIGHT);
 573     rb->lcd_putsxyf(3, moves_y, "Moves: %d", moves);
 574 #endif
 575
 576     /* draw spots to the lcd */
 577     for (i=0; i<NUM_SPOTS; i++)
 578         draw_spot(spots[i], (i%SPOTS_X)*SPOTS_WIDTH, (i/SPOTS_X)*SPOTS_HEIGHT);
 579
 580     rb->lcd_update();
 581 }
 582
 583 /* initializes the puzzle */
 584 static void puzzle_init(void)
 585 {
 586     int i, r, temp, tsp[NUM_SPOTS];
 587
 588     moves = 0;
 589
 590     /* shuffle spots */
 591     for (i=NUM_SPOTS-1; i>=0; i--) {
 592         r = (rb->rand() % (i+1));
 593
 594         temp = spots[r];
 595         spots[r] = spots[i];
 596         spots[i] = temp;
 597
 598         if (spots[i]==HOLE_ID)
 599             hole = i;
 600     }
 601
 602     /* test if the puzzle is solvable */
 603     for (i=0; i<NUM_SPOTS; i++)
 604         tsp[i] = spots[i];
 605     r=0;
 606
 607     /* First, check if the problem has even or odd parity,
 608        depending on where the empty square is */
 609     if ((((SPOTS_X-1)-hole%SPOTS_X) + ((SPOTS_Y-1)-hole/SPOTS_X))%2 == 1)
 610         ++r;
 611
 612     /* Now check how many swaps we need to solve it */
 613     for (i=0; i<NUM_SPOTS-1; i++) {
 614         while (tsp[i] != (i+1)) {
 615             temp = tsp[i];
 616             tsp[i] = tsp[temp-1];
 617             tsp[temp-1] = temp;
 618             ++r;
 619         }
 620     }
 621
 622     /* if the random puzzle isn't solvable just change two spots */
 623     if (r%2 == 1) {
 624         if (spots[0]!=HOLE_ID && spots[1]!=HOLE_ID) {
 625             temp = spots[0];
 626             spots[0] = spots[1];
 627             spots[1] = temp;
 628         } else {
 629             temp = spots[2];
 630             spots[2] = spots[3];
 631             spots[3] = temp;
 632         }
 633     }
 634
 635     draw_playfield();
 636 }
 637
 638 /* the main game loop */
 639 static int puzzle_loop(void)
 640 {
 641     int button;
 642 #if defined(PUZZLE_SHUFFLE_PICTURE_PRE)
 643     int lastbutton = BUTTON_NONE;
 644 #endif
 645     bool load_success;
 646
 647     puzzle_init();
 648     while(true) {
 649         button = rb->button_get(true);
 650         switch (button) {
 651 #ifdef PUZZLE_RC_QUIT
 652             case PUZZLE_RC_QUIT:
 653 #endif
 654             case PUZZLE_QUIT:
 655                 /* get out of here */
 656                 return PLUGIN_OK;
 657
 658             case PUZZLE_SHUFFLE:
 659 #ifdef PUZZLE_SHUFFLE_PICTURE_PRE
 660                 if (lastbutton != PUZZLE_SHUFFLE_PICTURE_PRE)
 661                     break;
 662 #endif
 663                 /* mix up the pieces */
 664                 puzzle_init();
 665                 break;
 666
 667             case PUZZLE_PICTURE:
 668 #ifdef PUZZLE_SHUFFLE_PICTURE_PRE
 669                 if (lastbutton != PUZZLE_SHUFFLE_PICTURE_PRE)
 670                     break;
 671 #endif
 672                 /* change picture */
 673                 picmode = (picmode+1)%PICMODE_LAST_XXX;
 674
 675                 /* if load_resize_bitmap fails to load bitmap, try next picmode
 676                 */
 677                 do
 678                 {
 679                     load_success = load_resize_bitmap();
 680                     if( !load_success )
 681                         picmode = (picmode+1)%PICMODE_LAST_XXX;
 682                 }
 683                 while( !load_success );
 684
 685                 /* tell the user what mode we picked in the end! */
 686                 rb->splash(HZ,picmode_descriptions[ picmode ] );
 687                 draw_playfield();
 688                 break;
 689
 690             case PUZZLE_LEFT:
 691                 if ((hole%SPOTS_X)<(SPOTS_X-1) && !puzzle_finished())
 692                     move_spot(-1, 0);
 693                 break;
 694
 695             case PUZZLE_RIGHT:
 696                 if ((hole%SPOTS_X)>0 && !puzzle_finished())
 697                     move_spot(1, 0);
 698                 break;
 699
 700             case PUZZLE_UP:
 701                 if ((hole/SPOTS_X)<(SPOTS_Y-1) && !puzzle_finished())
 702                     move_spot(0, -1);
 703                 break;
 704
 705             case PUZZLE_DOWN:
 706                 if ((hole/SPOTS_X)>0 && !puzzle_finished())
 707                     move_spot(0, 1);
 708                 break;
 709
 710             default:
 711                 if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 712                     return PLUGIN_USB_CONNECTED;
 713                 break;
 714         }
 715 #if defined(PUZZLE_SHUFFLE_PICTURE_PRE)
 716         if (button != BUTTON_NONE)
 717             lastbutton = button;
 718 #endif
 719     }
 720 }
 721
 722 enum plugin_status plugin_start(
 723                                 const void* parameter)
 724 {
 725     int i, w, h;
 726
 727     initial_bmp_path=(const char *)parameter;
 728     img_buf = rb->plugin_get_buffer(&img_buf_len);
 729     picmode = PICMODE_INITIAL_PICTURE;
 730     img_buf_path[0] = '\0';
 731
 732     /* If launched as a viewer, just go straight to the game without
 733        bothering with the splash or instructions page */
 734     if(parameter==NULL)
 735     {
 736         /* if not launched as a viewer, use default puzzle, and show help */
 737         picmode = PICMODE_DEFAULT_PICTURE;
 738
 739         /* print title */
 740         rb->lcd_getstringsize((unsigned char *)"Sliding Puzzle", &w, &h);
 741         w = (w+1)/2;
 742         h = (h+1)/2;
 743         rb->lcd_clear_display();
 744         rb->lcd_putsxy(LCD_WIDTH/2-w, (LCD_HEIGHT/2)-h,
 745                        (unsigned char *)"Sliding Puzzle");
 746         rb->lcd_update();
 747         rb->sleep(HZ);
 748
 749         /* print instructions */
 750         rb->lcd_clear_display();
 751         rb->lcd_setfont(FONT_SYSFIXED);
 752 #if CONFIG_KEYPAD == RECORDER_PAD || CONFIG_KEYPAD == ARCHOS_AV300_PAD
 753         rb->lcd_putsxy(3, 18, "[OFF] to stop");
 754         rb->lcd_putsxy(3, 28, "[F1] shuffle");
 755         rb->lcd_putsxy(3, 38, "[F2] change pic");
 756 #elif CONFIG_KEYPAD == ONDIO_PAD
 757         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 758         rb->lcd_putsxy(0, 28, "[MODE..] shuffle");
 759         rb->lcd_putsxy(0, 38, "[MODE] change pic");
 760 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
 761       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
 762       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
 763         rb->lcd_putsxy(0, 18, "[S-MENU] to stop");
 764         rb->lcd_putsxy(0, 28, "[S-LEFT] shuffle");
 765         rb->lcd_putsxy(0, 38, "[S-RIGHT] change pic");
 766 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
 767       (CONFIG_KEYPAD == IRIVER_H300_PAD)
 768         rb->lcd_putsxy(0, 18, "[STOP] to stop");
 769         rb->lcd_putsxy(0, 28, "[SELECT] shuffle");
 770         rb->lcd_putsxy(0, 38, "[PLAY] change pic");
 771 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
 772         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 773         rb->lcd_putsxy(0, 28, "[REC] shuffle");
 774         rb->lcd_putsxy(0, 38, "[PLAY] change pic");
 775 #elif CONFIG_KEYPAD == GIGABEAT_PAD
 776         rb->lcd_putsxy(0, 18, "[POWER] to stop");
 777         rb->lcd_putsxy(0, 28, "[SELECT] shuffle");
 778         rb->lcd_putsxy(0, 38, "[A] change pic");
 779 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
 780       (CONFIG_KEYPAD == SANSA_C200_PAD)
 781         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 782         rb->lcd_putsxy(0, 28, "[REC] shuffle");
 783         rb->lcd_putsxy(0, 38, "[SELECT] change pic");
 784 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 785         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 786         rb->lcd_putsxy(0, 28, "[REW] shuffle");
 787         rb->lcd_putsxy(0, 38, "[PLAY] change pic");
 788 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD || \
 789       CONFIG_KEYPAD == SAMSUNG_YPR0_PAD
 790         rb->lcd_putsxy(0, 18, "[BACK] to stop");
 791         rb->lcd_putsxy(0, 28, "[SELECT] shuffle");
 792         rb->lcd_putsxy(0, 38, "[MENU] change pic");
 793 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 794         rb->lcd_putsxy(0, 18, "[REC] to stop");
 795         rb->lcd_putsxy(0, 28, "[MODE] shuffle");
 796         rb->lcd_putsxy(0, 38, "[MENU] change pic");
 797 #endif
 798 #ifdef HAVE_TOUCHSCREEN
 799         rb->lcd_putsxy(0, 18, PUZZLE_QUIT_TEXT " to stop");
 800         rb->lcd_putsxy(0, 28, PUZZLE_SHUFFLE_TEXT " shuffle");
 801         rb->lcd_putsxy(0, 38, PUZZLE_PICTURE_TEXT " change pic");
 802 #endif
 803 #ifdef HAVE_ALBUMART
 804         rb->lcd_putsxy(0,48,"    pic->albumart->num");
 805 #else
 806         rb->lcd_putsxy(0,48,"    pic<->num");
 807 #endif
 808         rb->lcd_update();
 809         rb->button_get_w_tmo(HZ*2);
 810     }
 811
 812     hole = INITIAL_HOLE;
 813
 814     if( !load_resize_bitmap() )
 815     {
 816         rb->lcd_clear_display();
 817         rb->splash(HZ*2,"Failed to load bitmap!");
 818         return PLUGIN_OK;
 819     }
 820
 821     /* Calculate possible font sizes and text positions */
 822     rb->lcd_setfont(FONT_UI);
 823     rb->lcd_getstringsize("15", &w, &h);
 824     if ((w > (SPOTS_WIDTH-2)) || (h > (SPOTS_HEIGHT-2)))
 825         num_font = FONT_SYSFIXED;
 826
 827 #if LCD_WIDTH > LCD_HEIGHT
 828     rb->lcd_getstringsize("Moves", &w, &h);
 829     if (w > (LCD_WIDTH-IMAGE_WIDTH-1))
 830         moves_font = FONT_SYSFIXED;
 831     rb->lcd_setfont(moves_font);
 832     rb->lcd_getstringsize("Moves", &w, &h);
 833     moves_y = 10 + h;
 834 #else
 835     rb->lcd_getstringsize("Moves: 999", &w, &h);
 836     if ((w > LCD_WIDTH) || (h > (LCD_HEIGHT-IMAGE_HEIGHT-1)))
 837         moves_font = FONT_SYSFIXED;
 838     rb->lcd_setfont(moves_font);
 839     rb->lcd_getstringsize("Moves: 999", &w, &h);
 840     moves_y = (IMAGE_HEIGHT+1+(LCD_HEIGHT-IMAGE_HEIGHT-1)/2) - h / 2;
 841 #endif
 842     for (i=0; i<NUM_SPOTS; i++)
 843         spots[i]=(i+1);
 844
 845 #ifdef HAVE_LCD_COLOR
 846     rb->lcd_set_background(LCD_BLACK);
 847     rb->lcd_set_foreground(LCD_WHITE);
 848     rb->lcd_set_backdrop(NULL);
 849 #elif LCD_DEPTH > 1
 850     rb->lcd_set_background(LCD_WHITE);
 851     rb->lcd_set_foreground(LCD_BLACK);
 852     rb->lcd_set_backdrop(NULL);
 853 #endif
 854
 855     draw_playfield();
 856     rb->sleep(HZ*2);
 857
 858     return puzzle_loop();
 859 }