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