apps/plugins/minesweeper.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2004-2006 Antoine Cellerier <dionoea -at- videolan -dot- org>
  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
  22 #include "plugin.h"
  23
  24 #ifdef HAVE_LCD_BITMAP
  25
  26 #include "lib/playback_control.h"
  27
  28 PLUGIN_HEADER
  29
  30 /* what the minesweeper() function can return */
  31 enum minesweeper_status {
  32     MINESWEEPER_WIN,
  33     MINESWEEPER_LOSE,
  34     MINESWEEPER_QUIT,
  35     MINESWEEPER_USB
  36 };
  37
  38 /* variable button definitions */
  39 #if CONFIG_KEYPAD == RECORDER_PAD
  40 #   define MINESWP_LEFT     BUTTON_LEFT
  41 #   define MINESWP_RIGHT    BUTTON_RIGHT
  42 #   define MINESWP_UP       BUTTON_UP
  43 #   define MINESWP_DOWN     BUTTON_DOWN
  44 #   define MINESWP_QUIT     BUTTON_OFF
  45 #   define MINESWP_TOGGLE   BUTTON_ON
  46 #   define MINESWP_TOGGLE2  BUTTON_F1
  47 #   define MINESWP_DISCOVER BUTTON_PLAY
  48 #   define MINESWP_DISCOVER2 BUTTON_F2
  49 #   define MINESWP_INFO     BUTTON_F3
  50
  51 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  52 #   define MINESWP_LEFT     BUTTON_LEFT
  53 #   define MINESWP_RIGHT    BUTTON_RIGHT
  54 #   define MINESWP_UP       BUTTON_UP
  55 #   define MINESWP_DOWN     BUTTON_DOWN
  56 #   define MINESWP_QUIT     BUTTON_OFF
  57 #   define MINESWP_TOGGLE   BUTTON_ON
  58 #   define MINESWP_TOGGLE2  BUTTON_F1
  59 #   define MINESWP_DISCOVER BUTTON_SELECT
  60 #   define MINESWP_DISCOVER2 BUTTON_F2
  61 #   define MINESWP_INFO     BUTTON_F3
  62
  63 #elif CONFIG_KEYPAD == ONDIO_PAD
  64 #   define MINESWP_LEFT     BUTTON_LEFT
  65 #   define MINESWP_RIGHT    BUTTON_RIGHT
  66 #   define MINESWP_UP       BUTTON_UP
  67 #   define MINESWP_DOWN     BUTTON_DOWN
  68 #   define MINESWP_QUIT     BUTTON_OFF
  69 #   define MINESWP_TOGGLE_PRE BUTTON_MENU
  70 #   define MINESWP_TOGGLE   (BUTTON_MENU | BUTTON_REL)
  71 #   define MINESWP_DISCOVER (BUTTON_MENU | BUTTON_REPEAT)
  72 #   define MINESWP_INFO     (BUTTON_MENU | BUTTON_OFF)
  73
  74 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  75       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  76 #   define MINESWP_LEFT     BUTTON_LEFT
  77 #   define MINESWP_RIGHT    BUTTON_RIGHT
  78 #   define MINESWP_UP       BUTTON_UP
  79 #   define MINESWP_DOWN     BUTTON_DOWN
  80 #   define MINESWP_QUIT     BUTTON_OFF
  81 #   define MINESWP_TOGGLE   BUTTON_ON
  82 #   define MINESWP_TOGGLE2  BUTTON_REC
  83 #   define MINESWP_DISCOVER BUTTON_SELECT
  84 #   define MINESWP_INFO     BUTTON_MODE
  85
  86 #   define MINESWP_RC_QUIT  BUTTON_RC_STOP
  87
  88 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  89       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  90       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  91 #   define MINESWP_SCROLLWHEEL
  92 #   define MINESWP_LEFT       BUTTON_LEFT
  93 #   define MINESWP_RIGHT      BUTTON_RIGHT
  94 #   define MINESWP_UP         BUTTON_MENU
  95 #   define MINESWP_DOWN       BUTTON_PLAY
  96 #   define MINESWP_NEXT       BUTTON_SCROLL_FWD
  97 #   define MINESWP_PREV       BUTTON_SCROLL_BACK
  98 #   define MINESWP_QUIT       (BUTTON_SELECT | BUTTON_MENU)
  99 #   define MINESWP_TOGGLE_PRE BUTTON_SELECT
 100 #   define MINESWP_TOGGLE     (BUTTON_SELECT | BUTTON_REL)
 101 #   define MINESWP_DISCOVER   (BUTTON_SELECT | BUTTON_REPEAT)
 102 #   define MINESWP_INFO       (BUTTON_SELECT | BUTTON_PLAY)
 103
 104 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
 105 #   define MINESWP_LEFT     BUTTON_LEFT
 106 #   define MINESWP_RIGHT    BUTTON_RIGHT
 107 #   define MINESWP_UP       BUTTON_UP
 108 #   define MINESWP_DOWN     BUTTON_DOWN
 109 #   define MINESWP_QUIT     BUTTON_POWER
 110 #   define MINESWP_TOGGLE   BUTTON_PLAY
 111 #   define MINESWP_DISCOVER BUTTON_SELECT
 112 #   define MINESWP_INFO     BUTTON_REC
 113
 114 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
 115 #   define MINESWP_LEFT     BUTTON_LEFT
 116 #   define MINESWP_RIGHT    BUTTON_RIGHT
 117 #   define MINESWP_UP       BUTTON_UP
 118 #   define MINESWP_DOWN     BUTTON_DOWN
 119 #   define MINESWP_QUIT     BUTTON_POWER
 120 #   define MINESWP_TOGGLE   BUTTON_A
 121 #   define MINESWP_DISCOVER BUTTON_SELECT
 122 #   define MINESWP_INFO     BUTTON_MENU
 123
 124 #elif (CONFIG_KEYPAD == SANSA_E200_PAD)
 125
 126 #   define MINESWP_SCROLLWHEEL
 127 #   define MINESWP_LEFT     BUTTON_LEFT
 128 #   define MINESWP_RIGHT    BUTTON_RIGHT
 129 #   define MINESWP_UP       BUTTON_UP
 130 #   define MINESWP_DOWN     BUTTON_DOWN
 131 #   define MINESWP_QUIT     BUTTON_POWER
 132 #   define MINESWP_NEXT     BUTTON_SCROLL_FWD
 133 #   define MINESWP_PREV     BUTTON_SCROLL_BACK
 134 #   define MINESWP_TOGGLE   BUTTON_REC
 135 #   define MINESWP_DISCOVER BUTTON_SELECT
 136 #   define MINESWP_INFO     (BUTTON_REC|BUTTON_REPEAT)
 137
 138 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 139
 140 #   define MINESWP_LEFT     BUTTON_LEFT
 141 #   define MINESWP_RIGHT    BUTTON_RIGHT
 142 #   define MINESWP_UP       BUTTON_UP
 143 #   define MINESWP_DOWN     BUTTON_DOWN
 144 #   define MINESWP_QUIT     (BUTTON_HOME|BUTTON_REPEAT)
 145 #   define MINESWP_TOGGLE   BUTTON_SCROLL_FWD
 146 #   define MINESWP_DISCOVER BUTTON_SELECT
 147 #   define MINESWP_INFO     BUTTON_SCROLL_BACK
 148
 149 #elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
 150 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
 151 (CONFIG_KEYPAD == SANSA_M200_PAD)
 152 #   define MINESWP_LEFT       BUTTON_LEFT
 153 #   define MINESWP_RIGHT      BUTTON_RIGHT
 154 #   define MINESWP_UP         BUTTON_UP
 155 #   define MINESWP_DOWN       BUTTON_DOWN
 156 #   define MINESWP_QUIT       BUTTON_POWER
 157 #   define MINESWP_TOGGLE_PRE BUTTON_SELECT
 158 #   define MINESWP_TOGGLE     (BUTTON_SELECT | BUTTON_REL)
 159 #   define MINESWP_TOGGLE2    BUTTON_VOL_DOWN
 160 #   define MINESWP_DISCOVER   (BUTTON_SELECT | BUTTON_REPEAT)
 161 #   define MINESWP_DISCOVER2  BUTTON_VOL_UP
 162 #   define MINESWP_INFO       (BUTTON_SELECT | BUTTON_UP)
 163
 164 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 165 #   define MINESWP_LEFT     BUTTON_LEFT
 166 #   define MINESWP_RIGHT    BUTTON_RIGHT
 167 #   define MINESWP_UP       BUTTON_SCROLL_UP
 168 #   define MINESWP_DOWN     BUTTON_SCROLL_DOWN
 169 #   define MINESWP_QUIT     BUTTON_POWER
 170 #   define MINESWP_TOGGLE   BUTTON_PLAY
 171 #   define MINESWP_DISCOVER BUTTON_REW
 172 #   define MINESWP_INFO     (BUTTON_REW | BUTTON_PLAY)
 173
 174 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
 175 #   define MINESWP_LEFT     BUTTON_LEFT
 176 #   define MINESWP_RIGHT    BUTTON_RIGHT
 177 #   define MINESWP_UP       BUTTON_UP
 178 #   define MINESWP_DOWN     BUTTON_DOWN
 179 #   define MINESWP_QUIT     BUTTON_BACK
 180 #   define MINESWP_TOGGLE   BUTTON_PLAY
 181 #   define MINESWP_DISCOVER BUTTON_SELECT
 182 #   define MINESWP_INFO     BUTTON_MENU
 183
 184 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 185 #   define MINESWP_LEFT     BUTTON_LEFT
 186 #   define MINESWP_RIGHT    BUTTON_RIGHT
 187 #   define MINESWP_UP       BUTTON_UP
 188 #   define MINESWP_DOWN     BUTTON_DOWN
 189 #   define MINESWP_QUIT     BUTTON_POWER
 190 #   define MINESWP_TOGGLE   BUTTON_DISPLAY
 191 #   define MINESWP_DISCOVER BUTTON_SELECT
 192 #   define MINESWP_INFO     BUTTON_MENU
 193
 194 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 195 #   define MINESWP_LEFT     BUTTON_RC_REW
 196 #   define MINESWP_RIGHT    BUTTON_RC_FF
 197 #   define MINESWP_UP       BUTTON_RC_VOL_UP
 198 #   define MINESWP_DOWN     BUTTON_RC_VOL_DOWN
 199 #   define MINESWP_QUIT     BUTTON_RC_REC
 200 #   define MINESWP_TOGGLE   BUTTON_RC_MODE
 201 #   define MINESWP_DISCOVER BUTTON_RC_PLAY
 202 #   define MINESWP_INFO     BUTTON_RC_MENU
 203
 204 #elif (CONFIG_KEYPAD == COWOND2_PAD)
 205 #   define MINESWP_QUIT     BUTTON_POWER
 206
 207 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 208 #   define MINESWP_LEFT     BUTTON_LEFT
 209 #   define MINESWP_RIGHT    BUTTON_RIGHT
 210 #   define MINESWP_UP       BUTTON_UP
 211 #   define MINESWP_DOWN     BUTTON_DOWN
 212 #   define MINESWP_QUIT     BUTTON_BACK
 213 #   define MINESWP_TOGGLE   BUTTON_SELECT
 214 #   define MINESWP_DISCOVER BUTTON_PLAY
 215 #   define MINESWP_INFO     BUTTON_MENU
 216
 217 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 218 #   define MINESWP_LEFT     BUTTON_LEFT
 219 #   define MINESWP_RIGHT    BUTTON_RIGHT
 220 #   define MINESWP_UP       BUTTON_UP
 221 #   define MINESWP_DOWN     BUTTON_DOWN
 222 #   define MINESWP_QUIT     BUTTON_POWER
 223 #   define MINESWP_TOGGLE   BUTTON_VIEW
 224 #   define MINESWP_DISCOVER BUTTON_SELECT
 225 #   define MINESWP_INFO     BUTTON_MENU
 226
 227 #elif (CONFIG_KEYPAD == ONDAVX747_PAD) || CONFIG_KEYPAD == MROBE500_PAD
 228 #   define MINESWP_QUIT     BUTTON_POWER
 229
 230 #elif (CONFIG_KEYPAD == SAMSUNG_YH_PAD)
 231 #   define MINESWP_LEFT     BUTTON_LEFT
 232 #   define MINESWP_RIGHT    BUTTON_RIGHT
 233 #   define MINESWP_UP       BUTTON_UP
 234 #   define MINESWP_DOWN     BUTTON_DOWN
 235 #   define MINESWP_QUIT     BUTTON_REC
 236 #   define MINESWP_TOGGLE   BUTTON_PLAY
 237 #   define MINESWP_DISCOVER BUTTON_REW
 238 #   define MINESWP_INFO     BUTTON_FFWD
 239
 240 #else
 241 #error No keymap defined!
 242 #endif
 243
 244 #ifdef HAVE_TOUCHSCREEN
 245 #ifndef MINESWP_QUIT
 246 #   define MINESWP_QUIT     BUTTON_TOPLEFT
 247 #endif
 248 #ifndef MINESWP_LEFT
 249 #   define MINESWP_LEFT     BUTTON_MIDLEFT
 250 #endif
 251 #ifndef MINESWP_RIGHT
 252 #   define MINESWP_RIGHT    BUTTON_MIDRIGHT
 253 #endif
 254 #ifndef MINESWP_UP
 255 #   define MINESWP_UP       BUTTON_TOPMIDDLE
 256 #endif
 257 #ifndef MINESWP_DOWN
 258 #   define MINESWP_DOWN     BUTTON_BOTTOMMIDDLE
 259 #endif
 260 #ifndef MINESWP_TOGGLE
 261 #   define MINESWP_TOGGLE   BUTTON_CENTER
 262 #endif
 263 #ifndef MINESWP_DISCOVER
 264 #   define MINESWP_DISCOVER BUTTON_BOTTOMLEFT
 265 #endif
 266 #ifndef MINESWP_INFO
 267 #   define MINESWP_INFO     BUTTON_BOTTOMRIGHT
 268 #endif
 269 #endif
 270
 271 extern const fb_data minesweeper_tiles[];
 272
 273 #ifdef HAVE_LCD_COLOR
 274 #   if ( LCD_HEIGHT * LCD_WIDTH ) / ( 16 * 16 ) >= 130
 275         /* We want to have at least 130 tiles on the screen */
 276 #       define TileSize 16
 277 #   elif ( LCD_HEIGHT * LCD_WIDTH ) / ( 12 * 12 ) >= 130
 278 #       define TileSize 12
 279 #   else
 280 #       define TileSize 10
 281 #   endif
 282 #   define BackgroundColor LCD_RGBPACK( 128, 128, 128 )
 283 #elif LCD_DEPTH > 1
 284 #   define TileSize 12
 285 #else
 286 #   define TileSize 8
 287 #endif
 288
 289 #define Mine         9
 290 #define Flag         10
 291 #define Unknown      11
 292 #define ExplodedMine 12
 293
 294 #define draw_tile( num, x, y ) \
 295     rb->lcd_bitmap_part( minesweeper_tiles, 0, num * TileSize, \
 296                          TileSize, left+x*TileSize, top+y*TileSize, \
 297                          TileSize, TileSize )
 298
 299 #define invert_tile( x, y ) \
 300     rb->lcd_set_drawmode(DRMODE_COMPLEMENT); \
 301     rb->lcd_fillrect( left+x*TileSize, top+y*TileSize, TileSize, TileSize ); \
 302     rb->lcd_set_drawmode(DRMODE_SOLID);
 303
 304
 305 /* the tile struct
 306  * if there is a mine, mine is true
 307  * if tile is known by player, known is true
 308  * if tile has a flag, flag is true
 309  * neighbors is the total number of mines arround tile
 310  */
 311 typedef struct tile
 312 {
 313     unsigned char mine : 1;
 314     unsigned char known : 1;
 315     unsigned char flag : 1;
 316     unsigned char neighbors : 4;
 317 } tile;
 318
 319 /* the height and width of the field */
 320 #define MAX_HEIGHT (LCD_HEIGHT/TileSize)
 321 #define MAX_WIDTH  (LCD_WIDTH/TileSize)
 322 int height = MAX_HEIGHT;
 323 int width = MAX_WIDTH;
 324 int top;
 325 int left;
 326
 327 /* The Minefield. Caution it is defined as Y, X! Not the opposite. */
 328 tile minefield[MAX_HEIGHT][MAX_WIDTH];
 329
 330 /* total number of mines on the game */
 331 int mine_num = 0;
 332
 333 /* percentage of mines on minefield used during generation */
 334 int p = 16;
 335
 336 /* number of tiles left on the game */
 337 int tiles_left;
 338
 339 /* number of used flags on the game */
 340 int flags_used;
 341
 342 /* Because mines are set after the first move... */
 343 bool no_mines = true;
 344
 345 /* We need a stack (created on discover()) for the cascade algorithm. */
 346 int stack_pos = 0;
 347
 348 /* a usefull string for snprintf */
 349 char str[30];
 350
 351 #ifdef HAVE_TOUCHSCREEN
 352
 353 #include "lib/pluginlib_touchscreen.h"
 354 static struct ts_raster mine_raster = { 0, 0, MAX_WIDTH, MAX_HEIGHT, TileSize, TileSize };
 355 #endif
 356
 357
 358 void push( int *stack, int y, int x )
 359 {
 360     if( stack_pos <= height*width )
 361     {
 362         stack[++stack_pos] = y;
 363         stack[++stack_pos] = x;
 364     }
 365 }
 366
 367 /* Unveil tiles and push them to stack if they are empty. */
 368 void unveil( int *stack, int y, int x )
 369 {
 370     if( x < 0 || y < 0 || x > width - 1 || y > height - 1
 371        || minefield[y][x].known
 372        || minefield[y][x].mine || minefield[y][x].flag ) return;
 373
 374     minefield[y][x].known = 1;
 375
 376     if( minefield[y][x].neighbors == 0 )
 377         push( stack, y, x );
 378 }
 379
 380 void discover( int y, int x )
 381 {
 382     int stack[height*width];
 383
 384     /* Selected tile. */
 385     if( x < 0 || y < 0 || x > width - 1 || y > height - 1
 386        || minefield[y][x].known
 387        || minefield[y][x].mine || minefield[y][x].flag ) return;
 388
 389     minefield[y][x].known = 1;
 390     /* Exit if the tile is not empty. (no mines nearby) */
 391     if( minefield[y][x].neighbors ) return;
 392
 393     push( stack, y, x );
 394
 395     /* Scan all nearby tiles. If we meet a tile with a number we just unveil
 396      * it. If we meet an empty tile, we push the location in stack. For each
 397      * location in stack we do the same thing. (scan again all nearby tiles)
 398      */
 399     while( stack_pos )
 400     {
 401         /* Pop x, y from stack. */
 402         x = stack[stack_pos--];
 403         y = stack[stack_pos--];
 404
 405         unveil( stack, y-1, x-1 );
 406         unveil( stack, y-1, x   );
 407         unveil( stack, y-1, x+1 );
 408         unveil( stack, y,   x+1 );
 409         unveil( stack, y+1, x+1 );
 410         unveil( stack, y+1, x   );
 411         unveil( stack, y+1, x-1 );
 412         unveil( stack, y,   x-1 );
 413     }
 414 }
 415
 416 /* Reset the whole board for a new game. */
 417 void minesweeper_init( void )
 418 {
 419     int i,j;
 420
 421     for( i = 0; i < MAX_HEIGHT; i++ )
 422     {
 423         for( j = 0; j < MAX_WIDTH; j++ )
 424         {
 425             minefield[i][j].known = 0;
 426             minefield[i][j].flag = 0;
 427             minefield[i][j].mine = 0;
 428             minefield[i][j].neighbors = 0;
 429         }
 430     }
 431     no_mines = true;
 432     tiles_left = width*height;
 433 }
 434
 435
 436 /* put mines on the mine field */
 437 /* there is p% chance that a tile is a mine */
 438 /* if the tile has coordinates (x,y), then it can't be a mine */
 439 void minesweeper_putmines( int p, int x, int y )
 440 {
 441     int i,j;
 442
 443     mine_num = 0;
 444     for( i = 0; i < height; i++ )
 445     {
 446         for( j = 0; j < width; j++ )
 447         {
 448             if( rb->rand()%100 < p && !( y==i && x==j ) )
 449             {
 450                 minefield[i][j].mine = 1;
 451                 mine_num++;
 452             }
 453             else
 454             {
 455                 minefield[i][j].mine = 0;
 456             }
 457             minefield[i][j].neighbors = 0;
 458         }
 459     }
 460
 461     /* we need to compute the neighbor element for each tile */
 462     for( i = 0; i < height; i++ )
 463     {
 464         for( j = 0; j < width; j++ )
 465         {
 466             if( i > 0 )
 467             {
 468                 if( j > 0 )
 469                     minefield[i][j].neighbors += minefield[i-1][j-1].mine;
 470                 minefield[i][j].neighbors += minefield[i-1][j].mine;
 471                 if( j < width - 1 )
 472                     minefield[i][j].neighbors += minefield[i-1][j+1].mine;
 473             }
 474             if( j > 0 )
 475                 minefield[i][j].neighbors += minefield[i][j-1].mine;
 476             if( j < width - 1 )
 477                 minefield[i][j].neighbors += minefield[i][j+1].mine;
 478             if( i < height - 1 )
 479             {
 480                 if( j > 0 )
 481                     minefield[i][j].neighbors += minefield[i+1][j-1].mine;
 482                 minefield[i][j].neighbors += minefield[i+1][j].mine;
 483                 if( j < width - 1 )
 484                     minefield[i][j].neighbors += minefield[i+1][j+1].mine;
 485             }
 486         }
 487     }
 488
 489     no_mines = false;
 490
 491     /* In case the user is lucky and there are no mines positioned. */
 492     if( !mine_num && height*width != 1 )
 493     {
 494         minesweeper_putmines(p, x, y);
 495     }
 496 }
 497
 498 /* A function that will uncover all the board, when the user wins or loses.
 499    can easily be expanded, (just a call assigned to a button) as a solver. */
 500 void mine_show( void )
 501 {
 502     int i, j, button;
 503
 504     for( i = 0; i < height; i++ )
 505     {
 506         for( j = 0; j < width; j++ )
 507         {
 508             if( minefield[i][j].mine )
 509             {
 510                 if( minefield[i][j].known )
 511                 {
 512                     draw_tile( ExplodedMine, j, i );
 513                 }
 514                 else
 515                 {
 516                     draw_tile( Mine, j, i );
 517                 }
 518             }
 519             else
 520             {
 521                 draw_tile( minefield[i][j].neighbors, j, i );
 522             }
 523         }
 524     }
 525     rb->lcd_update();
 526
 527     do
 528         button = rb->button_get(true);
 529     while( ( button == BUTTON_NONE )
 530            || ( button & (BUTTON_REL|BUTTON_REPEAT) ) );
 531 #ifdef HAVE_TOUCHSCREEN
 532     button = BUTTON_NONE;
 533 #endif
 534 }
 535
 536 int count_tiles_left( void )
 537 {
 538     int tiles_left = 0;
 539     int i, j;
 540     for( i = 0; i < height; i++ )
 541         for( j = 0; j < width; j++ )
 542              if( minefield[i][j].known == 0 )
 543                 tiles_left++;
 544     return tiles_left;
 545 }
 546
 547 int count_flags( void )
 548 {
 549     int flags_used = 0;
 550     int i, j;
 551     for( i = 0; i < height; i++ )
 552         for( j = 0; j < width; j++ )
 553              if( minefield[i][j].flag == 1 )
 554                 flags_used++;
 555     return flags_used;
 556 }
 557
 558 /* welcome screen where player can chose mine percentage */
 559 enum minesweeper_status menu( void )
 560 {
 561     int selection = 0, result = MINESWEEPER_QUIT;
 562     bool menu_quit = false;
 563
 564     MENUITEM_STRINGLIST( menu, "Minesweeper Menu", NULL, "Play Minesweeper",
 565                          "Mine Percentage", "Number of Rows",
 566                          "Number of Columns", "Playback Control", "Quit" );
 567
 568 #ifdef HAVE_LCD_COLOR
 569     rb->lcd_set_foreground( rb->global_settings->fg_color );
 570     rb->lcd_set_background( rb->global_settings->bg_color );
 571 #endif
 572
 573     while( !menu_quit )
 574     {
 575         switch( rb->do_menu( &menu, &selection, NULL, false ) )
 576         {
 577             case 0:
 578                 result = MINESWEEPER_WIN; /* start playing */
 579                 menu_quit = true;
 580                 break;
 581
 582             case 1:
 583                 rb->set_int( "Mine Percentage", "%", UNIT_INT, &p, NULL,
 584                              1, 2, 98, NULL );
 585                 break;
 586
 587             case 2:
 588                 rb->set_int( "Number of Rows", "", UNIT_INT, &height, NULL,
 589                              1, 1, MAX_HEIGHT, NULL );
 590                 break;
 591
 592             case 3:
 593                 rb->set_int( "Number of Columns", "", UNIT_INT, &width, NULL,
 594                              1, 1, MAX_WIDTH, NULL );
 595                 break;
 596
 597             case 4:
 598                 playback_control( NULL );
 599                 break;
 600
 601             default:
 602                 result = MINESWEEPER_QUIT; /* quit program */
 603                 menu_quit = true;
 604                 break;
 605         }
 606     }
 607
 608     return result;
 609 }
 610
 611 /* the big and ugly game function */
 612 enum minesweeper_status minesweeper( void )
 613 {
 614     int i, j;
 615     int button;
 616     int lastbutton = BUTTON_NONE;
 617
 618     /* the cursor coordinates */
 619     int x=0, y=0;
 620
 621     /**
 622      * Show the menu
 623      */
 624     if( ( i = menu() ) != MINESWEEPER_WIN ) return i;
 625
 626     /**
 627      * Init game
 628      */
 629     top = (LCD_HEIGHT-height*TileSize)/2;
 630     left = (LCD_WIDTH-width*TileSize)/2;
 631
 632 #ifdef HAVE_TOUCHSCREEN
 633     mine_raster.tl_x = left;
 634     mine_raster.tl_y = top;
 635     mine_raster.width = width*TileSize;
 636     mine_raster.height = height*TileSize;
 637 #endif
 638
 639     rb->srand( *rb->current_tick );
 640     minesweeper_init();
 641     x = 0;
 642     y = 0;
 643
 644     /**
 645      * Play
 646      */
 647     while( true )
 648     {
 649
 650         /* clear the screen buffer */
 651 #ifdef HAVE_LCD_COLOR
 652         rb->lcd_set_background( BackgroundColor );
 653 #endif
 654         rb->lcd_clear_display();
 655
 656         /* display the mine field */
 657         for( i = 0; i < height; i++ )
 658         {
 659             for( j = 0; j < width; j++ )
 660             {
 661                 if( minefield[i][j].known )
 662                 {
 663                     draw_tile( minefield[i][j].neighbors, j, i );
 664                 }
 665                 else if(minefield[i][j].flag)
 666                 {
 667                     draw_tile( Flag, j, i );
 668                 }
 669                 else
 670                 {
 671                     draw_tile( Unknown, j, i );
 672                 }
 673             }
 674         }
 675
 676         /* display the cursor */
 677         invert_tile( x, y );
 678
 679         /* update the screen */
 680         rb->lcd_update();
 681
 682         button = rb->button_get(true);
 683 #ifdef HAVE_TOUCHSCREEN
 684         if(button & BUTTON_TOUCHSCREEN)
 685         {
 686             struct ts_raster_result res;
 687             if(touchscreen_map_raster(&mine_raster, rb->button_get_data() >> 16, rb->button_get_data() & 0xffff, &res) == 1)
 688             {
 689                 button &= ~BUTTON_TOUCHSCREEN;
 690                 lastbutton &= ~BUTTON_TOUCHSCREEN;
 691
 692                 if(button & BUTTON_REPEAT && lastbutton != MINESWP_TOGGLE && lastbutton ^ BUTTON_REPEAT)
 693                     button = MINESWP_TOGGLE;
 694                 else if(button == BUTTON_REL && lastbutton ^ BUTTON_REPEAT)
 695                     button = MINESWP_DISCOVER;
 696                 else
 697                     button |= BUTTON_TOUCHSCREEN;
 698
 699                 x = res.x;
 700                 y = res.y;
 701             }
 702         }
 703 #endif
 704         switch(button)
 705         {
 706             /* quit minesweeper (you really shouldn't use this button ...) */
 707 #ifdef MINESWP_RC_QUIT
 708             case MINESWP_RC_QUIT:
 709 #endif
 710             case MINESWP_QUIT:
 711                 return MINESWEEPER_QUIT;
 712
 713             /* move cursor left */
 714             case MINESWP_LEFT:
 715             case MINESWP_LEFT|BUTTON_REPEAT:
 716                 x = ( x + width - 1 )%width;
 717                 break;
 718
 719             /* move cursor right */
 720             case MINESWP_RIGHT:
 721             case MINESWP_RIGHT|BUTTON_REPEAT:
 722                 x = ( x + 1 )%width;
 723                 break;
 724
 725             /* move cursor down */
 726             case MINESWP_DOWN:
 727             case MINESWP_DOWN|BUTTON_REPEAT:
 728                 y = ( y + 1 )%height;
 729                 break;
 730
 731             /* move cursor up */
 732             case MINESWP_UP:
 733             case MINESWP_UP|BUTTON_REPEAT:
 734                 y = ( y + height - 1 )%height;
 735                 break;
 736
 737             /*move cursor though the entire field*/
 738 #ifdef MINESWP_SCROLLWHEEL
 739             case MINESWP_NEXT:
 740             case MINESWP_NEXT|BUTTON_REPEAT:
 741                 if (x == width -1 ) {
 742                     y = ( y + 1 )%height;
 743                 }
 744                 x = ( x + 1 )%width;
 745                 break;
 746
 747             case MINESWP_PREV:
 748             case MINESWP_PREV|BUTTON_REPEAT:
 749                 if (x == 0) {
 750                     y = ( y + height - 1 )%height;
 751                 }
 752                 x = ( x + width - 1 )%width;
 753                 break;
 754 #endif
 755             /* discover a tile (and it's neighbors if .neighbors == 0) */
 756             case MINESWP_DISCOVER:
 757 #ifdef MINESWP_DISCOVER2
 758             case MINESWP_DISCOVER2:
 759 #endif
 760                 if( minefield[y][x].flag ) break;
 761                 /* we put the mines on the first "click" so that you don't
 762                  * lose on the first "click" */
 763                 if( tiles_left == width*height && no_mines )
 764                     minesweeper_putmines(p,x,y);
 765
 766                 discover(y, x);
 767
 768                 if( minefield[y][x].mine )
 769                 {
 770                     minefield[y][x].known = 1;
 771                     return MINESWEEPER_LOSE;
 772                 }
 773                 tiles_left = count_tiles_left();
 774                 if( tiles_left == mine_num )
 775                 {
 776                     return MINESWEEPER_WIN;
 777                 }
 778                 break;
 779
 780             /* toggle flag under cursor */
 781             case MINESWP_TOGGLE:
 782 #ifdef MINESWP_TOGGLE_PRE
 783                 if( lastbutton != MINESWP_TOGGLE_PRE )
 784                     break;
 785 #endif
 786 #ifdef MINESWP_TOGGLE2
 787             case MINESWP_TOGGLE2:
 788 #endif
 789                 minefield[y][x].flag = ( minefield[y][x].flag + 1 )%2;
 790                 break;
 791
 792             /* show how many mines you think you have found and how many
 793              * there really are on the game */
 794             case MINESWP_INFO:
 795                 if( no_mines )
 796                     break;
 797                 flags_used = count_flags();
 798                 if (flags_used == 1) {
 799                     rb->splashf( HZ*2, "You marked 1 field. There are %d mines.",
 800                                 mine_num );
 801                 }
 802                 else
 803                 {
 804                     rb->splashf( HZ*2, "You marked %d fields. There are %d mines.",
 805                                 flags_used, mine_num );
 806                 }
 807                 break;
 808
 809             default:
 810                 if( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
 811                     return MINESWEEPER_USB;
 812                 break;
 813         }
 814         if( button != BUTTON_NONE )
 815             lastbutton = button;
 816     }
 817
 818 }
 819
 820 /* plugin entry point */
 821 enum plugin_status plugin_start(const void* parameter)
 822 {
 823     bool exit = false;
 824
 825     (void)parameter;
 826 #if LCD_DEPTH > 1
 827     rb->lcd_set_backdrop(NULL);
 828 #endif
 829
 830     while( !exit )
 831     {
 832         switch( minesweeper() )
 833         {
 834             case MINESWEEPER_WIN:
 835                 rb->splash( HZ, "You Win!" );
 836                 rb->lcd_clear_display();
 837                 mine_show();
 838                 break;
 839
 840             case MINESWEEPER_LOSE:
 841                 rb->splash( HZ, "You Lose!" );
 842                 rb->lcd_clear_display();
 843                 mine_show();
 844                 break;
 845
 846             case MINESWEEPER_USB:
 847                 return PLUGIN_USB_CONNECTED;
 848
 849             case MINESWEEPER_QUIT:
 850                 exit = true;
 851                 break;
 852
 853             default:
 854                 break;
 855         }
 856     }
 857
 858     return PLUGIN_OK;
 859 }
 860
 861 #endif