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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include "plugin.h"
  20 #include "bmp.h"
  21
  22 #ifdef HAVE_LCD_BITMAP
  23 PLUGIN_HEADER
  24
  25 /* variable button definitions */
  26 #if CONFIG_KEYPAD == RECORDER_PAD
  27 #define PUZZLE_QUIT BUTTON_OFF
  28 #define PUZZLE_LEFT BUTTON_LEFT
  29 #define PUZZLE_RIGHT BUTTON_RIGHT
  30 #define PUZZLE_UP BUTTON_UP
  31 #define PUZZLE_DOWN BUTTON_DOWN
  32 #define PUZZLE_SHUFFLE BUTTON_F1
  33 #define PUZZLE_PICTURE BUTTON_F2
  34
  35 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  36 #define PUZZLE_QUIT BUTTON_OFF
  37 #define PUZZLE_LEFT BUTTON_LEFT
  38 #define PUZZLE_RIGHT BUTTON_RIGHT
  39 #define PUZZLE_UP BUTTON_UP
  40 #define PUZZLE_DOWN BUTTON_DOWN
  41 #define PUZZLE_SHUFFLE BUTTON_F1
  42 #define PUZZLE_PICTURE BUTTON_F2
  43
  44 #elif CONFIG_KEYPAD == ONDIO_PAD
  45 #define PUZZLE_QUIT BUTTON_OFF
  46 #define PUZZLE_LEFT BUTTON_LEFT
  47 #define PUZZLE_RIGHT BUTTON_RIGHT
  48 #define PUZZLE_UP BUTTON_UP
  49 #define PUZZLE_DOWN BUTTON_DOWN
  50 #define PUZZLE_SHUFFLE_PICTURE_PRE BUTTON_MENU
  51 #define PUZZLE_SHUFFLE (BUTTON_MENU | BUTTON_REPEAT)
  52 #define PUZZLE_PICTURE (BUTTON_MENU | BUTTON_REL)
  53
  54 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  55       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  56 #define PUZZLE_QUIT BUTTON_OFF
  57 #define PUZZLE_LEFT BUTTON_LEFT
  58 #define PUZZLE_RIGHT BUTTON_RIGHT
  59 #define PUZZLE_UP BUTTON_UP
  60 #define PUZZLE_DOWN BUTTON_DOWN
  61 #define PUZZLE_SHUFFLE BUTTON_SELECT
  62 #define PUZZLE_PICTURE BUTTON_ON
  63
  64 #define PUZZLE_RC_QUIT BUTTON_RC_STOP
  65
  66 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  67       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  68       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  69 #define PUZZLE_QUIT    (BUTTON_SELECT | BUTTON_MENU)
  70 #define PUZZLE_LEFT BUTTON_LEFT
  71 #define PUZZLE_RIGHT BUTTON_RIGHT
  72 #define PUZZLE_UP      BUTTON_MENU
  73 #define PUZZLE_DOWN    BUTTON_PLAY
  74 #define PUZZLE_SHUFFLE (BUTTON_SELECT | BUTTON_LEFT)
  75 #define PUZZLE_PICTURE (BUTTON_SELECT | BUTTON_RIGHT)
  76
  77 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  78 #define PUZZLE_QUIT BUTTON_POWER
  79 #define PUZZLE_LEFT BUTTON_LEFT
  80 #define PUZZLE_RIGHT BUTTON_RIGHT
  81 #define PUZZLE_UP BUTTON_UP
  82 #define PUZZLE_DOWN BUTTON_DOWN
  83 #define PUZZLE_SHUFFLE BUTTON_REC
  84 #define PUZZLE_PICTURE BUTTON_PLAY
  85
  86 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  87 #define PUZZLE_QUIT BUTTON_POWER
  88 #define PUZZLE_LEFT BUTTON_LEFT
  89 #define PUZZLE_RIGHT BUTTON_RIGHT
  90 #define PUZZLE_UP BUTTON_UP
  91 #define PUZZLE_DOWN BUTTON_DOWN
  92 #define PUZZLE_SHUFFLE BUTTON_SELECT
  93 #define PUZZLE_PICTURE BUTTON_A
  94
  95 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  96 (CONFIG_KEYPAD == SANSA_C200_PAD)
  97 #define PUZZLE_QUIT BUTTON_POWER
  98 #define PUZZLE_LEFT BUTTON_LEFT
  99 #define PUZZLE_RIGHT BUTTON_RIGHT
 100 #define PUZZLE_UP BUTTON_UP
 101 #define PUZZLE_DOWN BUTTON_DOWN
 102 #define PUZZLE_SHUFFLE BUTTON_REC
 103 #define PUZZLE_PICTURE BUTTON_SELECT
 104
 105 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 106 #define PUZZLE_QUIT BUTTON_POWER
 107 #define PUZZLE_LEFT BUTTON_LEFT
 108 #define PUZZLE_RIGHT BUTTON_RIGHT
 109 #define PUZZLE_UP BUTTON_SCROLL_UP
 110 #define PUZZLE_DOWN BUTTON_SCROLL_DOWN
 111 #define PUZZLE_SHUFFLE BUTTON_REW
 112 #define PUZZLE_PICTURE BUTTON_PLAY
 113
 114 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
 115 #define PUZZLE_QUIT BUTTON_BACK
 116 #define PUZZLE_LEFT BUTTON_LEFT
 117 #define PUZZLE_RIGHT BUTTON_RIGHT
 118 #define PUZZLE_UP BUTTON_UP
 119 #define PUZZLE_DOWN BUTTON_DOWN
 120 #define PUZZLE_SHUFFLE BUTTON_SELECT
 121 #define PUZZLE_PICTURE BUTTON_MENU
 122
 123 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 124 #define PUZZLE_QUIT BUTTON_POWER
 125 #define PUZZLE_LEFT BUTTON_LEFT
 126 #define PUZZLE_RIGHT BUTTON_RIGHT
 127 #define PUZZLE_UP BUTTON_UP
 128 #define PUZZLE_DOWN BUTTON_DOWN
 129 #define PUZZLE_SHUFFLE BUTTON_SELECT
 130 #define PUZZLE_PICTURE BUTTON_DISPLAY
 131
 132 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 133 #define PUZZLE_QUIT BUTTON_RC_REC
 134 #define PUZZLE_LEFT BUTTON_RC_REW
 135 #define PUZZLE_RIGHT BUTTON_RC_FF
 136 #define PUZZLE_UP BUTTON_RC_VOL_UP
 137 #define PUZZLE_DOWN BUTTON_RC_VOL_DOWN
 138 #define PUZZLE_SHUFFLE BUTTON_RC_MODE
 139 #define PUZZLE_PICTURE BUTTON_RC_MENU
 140
 141 #elif (CONFIG_KEYPAD == COWOND2_PAD)
 142 #define PUZZLE_QUIT BUTTON_POWER
 143 #define PUZZLE_LEFT BUTTON_LEFT
 144 #define PUZZLE_RIGHT BUTTON_RIGHT
 145 #define PUZZLE_UP BUTTON_UP
 146 #define PUZZLE_DOWN BUTTON_DOWN
 147 #define PUZZLE_SHUFFLE BUTTON_MENU
 148 #define PUZZLE_PICTURE BUTTON_SELECT
 149
 150 #else
 151 #error No keymap defined!
 152 #endif
 153
 154
 155 #include "sliding_puzzle.h"
 156 #define IMAGE_WIDTH BMPWIDTH_sliding_puzzle
 157 #define IMAGE_HEIGHT BMPHEIGHT_sliding_puzzle
 158 #define IMAGE_SIZE IMAGE_WIDTH
 159
 160 static struct plugin_api* rb;
 161
 162 /* use a square image, (the default Archos bitmap looks square on its display)
 163    Puzzle image dimension is min(lcd_height,lcd_width)
 164    4x4 is more convenient for square puzzles
 165    Note: sliding_puzzle.bmp should be evenly divisible by SPOTS_X
 166    and SPOTS_Y, otherwise lcd_bitmap_part stride won't be correct */
 167 #define SPOTS_X 4
 168 #define SPOTS_Y 4
 169 #define SPOTS_WIDTH  (IMAGE_WIDTH / SPOTS_X)
 170 #define SPOTS_HEIGHT (IMAGE_HEIGHT / SPOTS_Y)
 171 #define NUM_SPOTS    (SPOTS_X*SPOTS_Y)
 172 #define HOLE_ID      (NUM_SPOTS)
 173 #define INITIAL_HOLE (HOLE_ID-1)
 174
 175 enum picmodes
 176 {
 177     PICMODE_NUMERALS = 0,
 178     PICMODE_INITIAL_PICTURE,
 179     PICMODE_DEFAULT_PICTURE,
 180 #ifdef HAVE_ALBUMART
 181     PICMODE_ALBUM_ART,
 182 #endif
 183 //    PICMODE_RANDOM,
 184     PICMODE_LAST_XXX /* placeholder */
 185 };
 186
 187 static const char* const picmode_descriptions[] = {
 188     "Numerals",
 189     "Viewer Picture",
 190     "Default Picture",
 191 #ifdef HAVE_ALBUMART
 192     "Album Art",
 193 #endif
 194     "Shouldn't Get Here",
 195 };
 196
 197 static int spots[NUM_SPOTS];
 198 static int hole = INITIAL_HOLE, moves;
 199 static unsigned char s[32];
 200 static enum picmodes picmode = PICMODE_INITIAL_PICTURE;
 201 static int num_font = FONT_UI;
 202 static int moves_font = FONT_UI;
 203 static int moves_y = 0;
 204
 205 static unsigned char img_buf[IMAGE_WIDTH*IMAGE_HEIGHT*sizeof(fb_data)]
 206 __attribute__ ((aligned(16)));
 207 #if LCD_DEPTH>1
 208 static unsigned char temp_img_buf[LCD_WIDTH*LCD_HEIGHT*sizeof(fb_data)]
 209 __attribute__ ((aligned(16)));
 210 #endif
 211 #ifdef HAVE_ALBUMART
 212 static char albumart_path[MAX_PATH+1];
 213 #endif
 214 static char img_buf_path[MAX_PATH+1];
 215
 216 static const fb_data * puzzle_bmp_ptr;
 217 /* initial_bmp_path points to selected bitmap if this game is launched
 218    as a viewer for a .bmp file, or NULL if game is launched regular way */
 219 static const char * initial_bmp_path=NULL;
 220
 221 #ifdef HAVE_ALBUMART
 222 const char * get_albumart_bmp_path(void)
 223 {
 224     struct mp3entry* track = rb->audio_current_track();
 225
 226     if (!track || !track->path || track->path[0] == '\0')
 227         return NULL;
 228
 229     if (!rb->search_albumart_files(track, "", albumart_path, MAX_PATH ) )
 230         return NULL;
 231
 232     albumart_path[ MAX_PATH ] = '\0';
 233     return albumart_path;
 234 }
 235 #endif
 236
 237 const char * get_random_bmp_path(void)
 238 {
 239     return(initial_bmp_path);
 240 }
 241
 242 static bool load_resize_bitmap(void)
 243 {
 244     int rc;
 245     const char * filename = NULL;
 246
 247     /* initially assume using the built-in default */
 248     puzzle_bmp_ptr = sliding_puzzle;
 249
 250     switch( picmode ){
 251         /* some modes don't even need to touch disk and trivially succeed */
 252         case PICMODE_NUMERALS:
 253         case PICMODE_DEFAULT_PICTURE:
 254         default:
 255             return(true);
 256
 257 #ifdef HAVE_ALBUMART
 258         case PICMODE_ALBUM_ART:
 259             filename = get_albumart_bmp_path();
 260             break;
 261 #endif
 262 /*
 263         case PICMODE_RANDOM:
 264             if(NULL == (filename=get_random_bmp_path()) )
 265                 filename = initial_bmp_path;
 266             break;
 267 */
 268         case PICMODE_INITIAL_PICTURE:
 269             filename = initial_bmp_path;
 270             break;
 271     };
 272
 273     if( filename != NULL )
 274     {
 275         /* if we already loaded image before, don't touch disk */
 276         if( 0 == rb->strcmp( filename, img_buf_path ) )
 277         {
 278             puzzle_bmp_ptr = (const fb_data *)img_buf;
 279             return true;
 280         }
 281
 282         struct bitmap main_bitmap;
 283         rb->memset(&main_bitmap,0,sizeof(struct bitmap));
 284         main_bitmap.data = img_buf;
 285
 286 #if LCD_DEPTH>1
 287         struct bitmap temp_bitmap;
 288         rb->memset(&temp_bitmap,0,sizeof(struct bitmap));
 289         temp_bitmap.data = temp_img_buf;
 290
 291         main_bitmap.width = IMAGE_WIDTH;
 292         main_bitmap.height = IMAGE_HEIGHT;
 293
 294         rc = rb->read_bmp_file( filename, &temp_bitmap, sizeof(temp_img_buf),
 295                                 FORMAT_NATIVE );
 296         if( rc > 0 )
 297         {
 298             simple_resize_bitmap( &temp_bitmap, &main_bitmap );
 299             puzzle_bmp_ptr = (const fb_data *)img_buf;
 300             rb->strcpy( img_buf_path, filename );
 301             return true;
 302         }
 303 #else
 304         rc = rb->read_bmp_file( filename, &main_bitmap, sizeof(img_buf),
 305                                 FORMAT_NATIVE );
 306         if( rc > 0 )
 307         {
 308             puzzle_bmp_ptr = (const fb_data *)img_buf;
 309             rb->strcpy( img_buf_path, filename );
 310             return true;
 311         }
 312 #endif
 313     }
 314
 315     /* something must have failed. get_albumart_bmp_path could return
 316        NULL if albumart doesn't exist or couldn't be loaded, or
 317        read_bmp_file could have failed.  return false and caller should
 318        try the next mode (PICMODE_DEFAULT_PICTURE and PICMODE_NUMERALS will
 319        always succeed) */
 320     return false;
 321 }
 322
 323 /* draws a spot at the coordinates (x,y), range of p is 1-20 */
 324 static void draw_spot(int p, int x, int y)
 325 {
 326     int w, h;
 327
 328     if (p == HOLE_ID)
 329     {
 330 #if LCD_DEPTH==1
 331         /* the bottom-right cell of the default sliding_puzzle image is
 332            an appropriate hole graphic */
 333         rb->lcd_bitmap_part(sliding_puzzle, ((p-1)%SPOTS_X)*SPOTS_WIDTH,
 334                                  ((p-1)/SPOTS_X)*SPOTS_HEIGHT,
 335                                 IMAGE_WIDTH, x, y, SPOTS_WIDTH, SPOTS_HEIGHT);
 336 #else
 337         /* just draw a black rectangle */
 338         int old_fg = rb->lcd_get_foreground();
 339         rb->lcd_set_foreground(LCD_BLACK);
 340         rb->lcd_fillrect(x,y,SPOTS_WIDTH,SPOTS_HEIGHT);
 341         rb->lcd_set_foreground(old_fg);
 342 #endif
 343     }
 344     else if (picmode != PICMODE_NUMERALS)
 345     {
 346         rb->lcd_bitmap_part( puzzle_bmp_ptr, ((p-1)%SPOTS_X)*SPOTS_WIDTH,
 347                              ((p-1)/SPOTS_X)*SPOTS_HEIGHT,
 348                              IMAGE_WIDTH, x, y, SPOTS_WIDTH, SPOTS_HEIGHT);
 349     } else {
 350         rb->lcd_drawrect(x, y, SPOTS_WIDTH, SPOTS_HEIGHT);
 351         rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 352         rb->lcd_fillrect(x+1, y+1, SPOTS_WIDTH-2, SPOTS_HEIGHT-2);
 353         rb->lcd_set_drawmode(DRMODE_SOLID);
 354         rb->snprintf(s, sizeof(s), "%d", p);
 355         rb->lcd_setfont(num_font);
 356         rb->lcd_getstringsize(s, &w, &h);
 357         rb->lcd_putsxy(x + (SPOTS_WIDTH/2) - w / 2,
 358                        y + (SPOTS_HEIGHT/2) - h / 2, s);
 359     }
 360 }
 361
 362 /* check if the puzzle is solved */
 363 static bool puzzle_finished(void)
 364 {
 365     int i;
 366     for (i=0; i<NUM_SPOTS; i++)
 367     if (spots[i] != (i+1))
 368         return false;
 369     return true;
 370 }
 371
 372 /* move a piece in any direction */
 373 static void move_spot(int x, int y)
 374 {
 375     int i, w;
 376     spots[hole] = spots[hole-x-SPOTS_X*y];
 377     hole -= (x+SPOTS_X*y);
 378     moves++;
 379     rb->lcd_setfont(moves_font);
 380 #if LCD_WIDTH > LCD_HEIGHT
 381     rb->snprintf(s, sizeof(s), "%d", moves);
 382     w = rb->lcd_getstringsize(s, NULL, NULL);
 383     rb->lcd_putsxy((IMAGE_WIDTH+1+(LCD_WIDTH-IMAGE_WIDTH-1)/2) - w / 2,
 384                    moves_y, s);
 385 #else
 386     (void)w;
 387     rb->snprintf(s, sizeof(s), "Moves: %d", moves);
 388     rb->lcd_putsxy(3, moves_y, s);
 389 #endif
 390     for(i=1;i<=4;i++)
 391     {
 392        draw_spot(HOLE_ID,
 393                  (hole%SPOTS_X)*SPOTS_WIDTH,
 394                  (hole/SPOTS_X)*SPOTS_HEIGHT);
 395        draw_spot(spots[hole],
 396                  (hole%SPOTS_X)*SPOTS_WIDTH + (i*x*SPOTS_WIDTH)/5,
 397                  (hole/SPOTS_X)*SPOTS_HEIGHT + (i*y*SPOTS_HEIGHT)/5);
 398        rb->lcd_update();
 399        rb->sleep(HZ/50);
 400     }
 401     draw_spot(HOLE_ID,
 402               (hole%SPOTS_X)*SPOTS_WIDTH,
 403               (hole/SPOTS_X)*SPOTS_HEIGHT);
 404     draw_spot(spots[hole],
 405               ((hole%SPOTS_X)+x)*SPOTS_WIDTH,
 406               ((hole/SPOTS_X)+y)*SPOTS_HEIGHT);
 407     rb->lcd_update();
 408
 409     spots[hole] = HOLE_ID;
 410 }
 411
 412 static void draw_playfield(void)
 413 {
 414     int i, w;
 415
 416     rb->lcd_clear_display();
 417     rb->lcd_setfont(moves_font);
 418 #if LCD_WIDTH > LCD_HEIGHT
 419     rb->lcd_vline(IMAGE_WIDTH, 0, LCD_HEIGHT-1);
 420     w = rb->lcd_getstringsize("Moves", NULL, NULL);
 421     rb->lcd_putsxy((IMAGE_WIDTH+1+(LCD_WIDTH-IMAGE_WIDTH-1)/2) - w / 2,
 422                    10, "Moves");
 423     rb->snprintf(s, sizeof(s), "%d", moves);
 424     w = rb->lcd_getstringsize(s, NULL, NULL);
 425     rb->lcd_putsxy((IMAGE_WIDTH+1+(LCD_WIDTH-IMAGE_WIDTH-1)/2) - w / 2,
 426                    moves_y, s);
 427 #else
 428     (void)w;
 429     rb->lcd_hline(0, LCD_WIDTH-1, IMAGE_HEIGHT);
 430     rb->snprintf(s, sizeof(s), "Moves: %d", moves);
 431     rb->lcd_putsxy(3, moves_y, s);
 432 #endif
 433
 434     /* draw spots to the lcd */
 435     for (i=0; i<NUM_SPOTS; i++)
 436         draw_spot(spots[i], (i%SPOTS_X)*SPOTS_WIDTH, (i/SPOTS_X)*SPOTS_HEIGHT);
 437
 438     rb->lcd_update();
 439 }
 440
 441 /* initializes the puzzle */
 442 static void puzzle_init(void)
 443 {
 444     int i, r, temp, tsp[NUM_SPOTS];
 445
 446     moves = 0;
 447
 448     /* shuffle spots */
 449     for (i=NUM_SPOTS-1; i>=0; i--) {
 450         r = (rb->rand() % (i+1));
 451
 452         temp = spots[r];
 453         spots[r] = spots[i];
 454         spots[i] = temp;
 455
 456         if (spots[i]==HOLE_ID)
 457             hole = i;
 458     }
 459
 460     /* test if the puzzle is solvable */
 461     for (i=0; i<NUM_SPOTS; i++)
 462         tsp[i] = spots[i];
 463     r=0;
 464
 465     /* First, check if the problem has even or odd parity,
 466        depending on where the empty square is */
 467     if ((((SPOTS_X-1)-hole%SPOTS_X) + ((SPOTS_Y-1)-hole/SPOTS_X))%2 == 1)
 468         ++r;
 469
 470     /* Now check how many swaps we need to solve it */
 471     for (i=0; i<NUM_SPOTS-1; i++) {
 472         while (tsp[i] != (i+1)) {
 473             temp = tsp[i];
 474             tsp[i] = tsp[temp-1];
 475             tsp[temp-1] = temp;
 476             ++r;
 477         }
 478     }
 479
 480     /* if the random puzzle isn't solvable just change two spots */
 481     if (r%2 == 1) {
 482         if (spots[0]!=HOLE_ID && spots[1]!=HOLE_ID) {
 483             temp = spots[0];
 484             spots[0] = spots[1];
 485             spots[1] = temp;
 486         } else {
 487             temp = spots[2];
 488             spots[2] = spots[3];
 489             spots[3] = temp;
 490         }
 491     }
 492
 493     draw_playfield();
 494 }
 495
 496 /* the main game loop */
 497 static int puzzle_loop(void)
 498 {
 499     int button;
 500     int lastbutton = BUTTON_NONE;
 501     bool load_success;
 502
 503     puzzle_init();
 504     while(true) {
 505         button = rb->button_get(true);
 506         switch (button) {
 507 #ifdef PUZZLE_RC_QUIT
 508             case PUZZLE_RC_QUIT:
 509 #endif
 510             case PUZZLE_QUIT:
 511                 /* get out of here */
 512                 return PLUGIN_OK;
 513
 514             case PUZZLE_SHUFFLE:
 515 #ifdef PUZZLE_SHUFFLE_PICTURE_PRE
 516                 if (lastbutton != PUZZLE_SHUFFLE_PICTURE_PRE)
 517                     break;
 518 #endif
 519                 /* mix up the pieces */
 520                 puzzle_init();
 521                 break;
 522
 523             case PUZZLE_PICTURE:
 524 #ifdef PUZZLE_SHUFFLE_PICTURE_PRE
 525                 if (lastbutton != PUZZLE_SHUFFLE_PICTURE_PRE)
 526                     break;
 527 #endif
 528                 /* change picture */
 529                 picmode = (picmode+1)%PICMODE_LAST_XXX;
 530
 531                 /* if load_resize_bitmap fails to load bitmap, try next picmode */
 532                 do
 533                 {
 534                     load_success = load_resize_bitmap();
 535                     if( !load_success )
 536                         picmode = (picmode+1)%PICMODE_LAST_XXX;
 537                 }
 538                 while( !load_success );
 539
 540                 /* tell the user what mode we picked in the end! */
 541                 rb->splash(HZ,picmode_descriptions[ picmode ] );
 542                 draw_playfield();
 543                 break;
 544
 545             case PUZZLE_LEFT:
 546                 if ((hole%SPOTS_X)<(SPOTS_X-1) && !puzzle_finished())
 547                     move_spot(-1, 0);
 548                 break;
 549
 550             case PUZZLE_RIGHT:
 551                 if ((hole%SPOTS_X)>0 && !puzzle_finished())
 552                     move_spot(1, 0);
 553                 break;
 554
 555             case PUZZLE_UP:
 556                 if ((hole/SPOTS_X)<(SPOTS_Y-1) && !puzzle_finished())
 557                     move_spot(0, -1);
 558                 break;
 559
 560             case PUZZLE_DOWN:
 561                 if ((hole/SPOTS_X)>0 && !puzzle_finished())
 562                     move_spot(0, 1);
 563                 break;
 564
 565             default:
 566                 if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 567                     return PLUGIN_USB_CONNECTED;
 568                 break;
 569         }
 570         if (button != BUTTON_NONE)
 571             lastbutton = button;
 572     }
 573 }
 574
 575 enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 576 {
 577     int i, w, h;
 578
 579     rb = api;
 580
 581     initial_bmp_path=(const char *)parameter;
 582     picmode = PICMODE_INITIAL_PICTURE;
 583     img_buf_path[0] = '\0';
 584
 585     /* If launched as a viewer, just go straight to the game without
 586        bothering with the splash or instructions page */
 587     if(parameter==NULL)
 588     {
 589         /* if not launched as a viewer, use default puzzle, and show help */
 590         picmode = PICMODE_DEFAULT_PICTURE;
 591
 592         /* print title */
 593         rb->lcd_getstringsize((unsigned char *)"Sliding Puzzle", &w, &h);
 594         w = (w+1)/2;
 595         h = (h+1)/2;
 596         rb->lcd_clear_display();
 597         rb->lcd_putsxy(LCD_WIDTH/2-w, (LCD_HEIGHT/2)-h,
 598                        (unsigned char *)"Sliding Puzzle");
 599         rb->lcd_update();
 600         rb->sleep(HZ);
 601
 602         /* print instructions */
 603         rb->lcd_clear_display();
 604         rb->lcd_setfont(FONT_SYSFIXED);
 605 #if CONFIG_KEYPAD == RECORDER_PAD || CONFIG_KEYPAD == ARCHOS_AV300_PAD
 606         rb->lcd_putsxy(3, 18, "[OFF] to stop");
 607         rb->lcd_putsxy(3, 28, "[F1] shuffle");
 608         rb->lcd_putsxy(3, 38, "[F2] change pic");
 609 #elif CONFIG_KEYPAD == ONDIO_PAD
 610         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 611         rb->lcd_putsxy(0, 28, "[MODE..] shuffle");
 612         rb->lcd_putsxy(0, 38, "[MODE] change pic");
 613 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
 614       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
 615       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
 616         rb->lcd_putsxy(0, 18, "[S-MENU] to stop");
 617         rb->lcd_putsxy(0, 28, "[S-LEFT] shuffle");
 618         rb->lcd_putsxy(0, 38, "[S-RIGHT] change pic");
 619 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
 620       (CONFIG_KEYPAD == IRIVER_H300_PAD)
 621         rb->lcd_putsxy(0, 18, "[STOP] to stop");
 622         rb->lcd_putsxy(0, 28, "[SELECT] shuffle");
 623         rb->lcd_putsxy(0, 38, "[PLAY] change pic");
 624 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
 625         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 626         rb->lcd_putsxy(0, 28, "[REC] shuffle");
 627         rb->lcd_putsxy(0, 38, "[PLAY] change pic");
 628 #elif CONFIG_KEYPAD == GIGABEAT_PAD
 629         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 630         rb->lcd_putsxy(0, 28, "[SELECT] shuffle");
 631         rb->lcd_putsxy(0, 38, "[A] change pic");
 632 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
 633       (CONFIG_KEYPAD == SANSA_C200_PAD)
 634         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 635         rb->lcd_putsxy(0, 28, "[REC] shuffle");
 636         rb->lcd_putsxy(0, 38, "[SELECT] change pic");
 637 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 638         rb->lcd_putsxy(0, 18, "[OFF] to stop");
 639         rb->lcd_putsxy(0, 28, "[REW] shuffle");
 640         rb->lcd_putsxy(0, 38, "[PLAY] change pic");
 641 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 642         rb->lcd_putsxy(0, 18, "[REC] to stop");
 643         rb->lcd_putsxy(0, 28, "[MODE] shuffle");
 644         rb->lcd_putsxy(0, 38, "[MENU] change pic");
 645 #endif
 646 #ifdef HAVE_ALBUMART
 647         rb->lcd_putsxy(0,48,"    pic->albumart->num");
 648 #else
 649         rb->lcd_putsxy(0,48,"    pic<->num");
 650 #endif
 651         rb->lcd_update();
 652         rb->button_get_w_tmo(HZ*2);
 653     }
 654
 655     hole = INITIAL_HOLE;
 656
 657     if( !load_resize_bitmap() )
 658     {
 659         rb->lcd_clear_display();
 660         rb->splash(HZ*2,"Failed to load bitmap!");
 661         return PLUGIN_OK;
 662     }
 663
 664     /* Calculate possible font sizes and text positions */
 665     rb->lcd_setfont(FONT_UI);
 666     rb->lcd_getstringsize("15", &w, &h);
 667     if ((w > (SPOTS_WIDTH-2)) || (h > (SPOTS_HEIGHT-2)))
 668         num_font = FONT_SYSFIXED;
 669
 670 #if LCD_WIDTH > LCD_HEIGHT
 671     rb->lcd_getstringsize("Moves", &w, &h);
 672     if (w > (LCD_WIDTH-IMAGE_WIDTH-1))
 673         moves_font = FONT_SYSFIXED;
 674     rb->lcd_setfont(moves_font);
 675     rb->lcd_getstringsize("Moves", &w, &h);
 676     moves_y = 10 + h;
 677 #else
 678     rb->lcd_getstringsize("Moves: 999", &w, &h);
 679     if ((w > LCD_WIDTH) || (h > (LCD_HEIGHT-IMAGE_HEIGHT-1)))
 680         moves_font = FONT_SYSFIXED;
 681     rb->lcd_setfont(moves_font);
 682     rb->lcd_getstringsize("Moves: 999", &w, &h);
 683     moves_y = (IMAGE_HEIGHT+1+(LCD_HEIGHT-IMAGE_HEIGHT-1)/2) - h / 2;
 684 #endif
 685     for (i=0; i<NUM_SPOTS; i++)
 686         spots[i]=(i+1);
 687
 688 #ifdef HAVE_LCD_COLOR
 689     rb->lcd_set_background(LCD_BLACK);
 690     rb->lcd_set_foreground(LCD_WHITE);
 691     rb->lcd_set_backdrop(NULL);
 692 #elif LCD_DEPTH > 1
 693     rb->lcd_set_background(LCD_WHITE);
 694     rb->lcd_set_foreground(LCD_BLACK);
 695     rb->lcd_set_backdrop(NULL);
 696 #endif
 697
 698     draw_playfield();
 699     rb->sleep(HZ*2);
 700
 701     return puzzle_loop();
 702 }
 703
 704 #endif