apps/plugins/snake.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Itai Shaked
  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 /*
  23 Snake!
  24
  25 by Itai Shaked
  26
  27 ok, a little explanation -
  28 board holds the snake and apple position - 1+ - snake body (the number
  29 represents the age [1 is the snake's head]).
  30 -1 is an apple, and 0 is a clear spot.
  31 dir is the current direction of the snake - 0=up, 1=right, 2=down, 3=left;
  32
  33 */
  34
  35 #include "plugin.h"
  36
  37 #include "lib/configfile.h"
  38 #include "lib/highscore.h"
  39 #include "lib/playback_control.h"
  40
  41
  42
  43 /* variable button definitions */
  44 #if CONFIG_KEYPAD == RECORDER_PAD
  45 #define SNAKE_QUIT BUTTON_OFF
  46 #define SNAKE_LEFT BUTTON_LEFT
  47 #define SNAKE_RIGHT BUTTON_RIGHT
  48 #define SNAKE_UP   BUTTON_UP
  49 #define SNAKE_DOWN BUTTON_DOWN
  50 #define SNAKE_PLAYPAUSE BUTTON_PLAY
  51
  52 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  53 #define SNAKE_QUIT BUTTON_OFF
  54 #define SNAKE_LEFT BUTTON_LEFT
  55 #define SNAKE_RIGHT BUTTON_RIGHT
  56 #define SNAKE_UP   BUTTON_UP
  57 #define SNAKE_DOWN BUTTON_DOWN
  58 #define SNAKE_PLAYPAUSE BUTTON_SELECT
  59
  60 #elif CONFIG_KEYPAD == ONDIO_PAD
  61 #define SNAKE_QUIT BUTTON_OFF
  62 #define SNAKE_LEFT BUTTON_LEFT
  63 #define SNAKE_RIGHT BUTTON_RIGHT
  64 #define SNAKE_UP   BUTTON_UP
  65 #define SNAKE_DOWN BUTTON_DOWN
  66 #define SNAKE_PLAYPAUSE BUTTON_MENU
  67
  68 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  69       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  70 #define SNAKE_QUIT BUTTON_OFF
  71 #define SNAKE_LEFT BUTTON_LEFT
  72 #define SNAKE_RIGHT BUTTON_RIGHT
  73 #define SNAKE_UP   BUTTON_UP
  74 #define SNAKE_DOWN BUTTON_DOWN
  75 #define SNAKE_PLAYPAUSE BUTTON_ON
  76
  77 #define SNAKE_RC_QUIT BUTTON_RC_STOP
  78
  79 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  80       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  81       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  82 #define SNAKE_QUIT (BUTTON_SELECT|BUTTON_MENU)
  83 #define SNAKE_LEFT BUTTON_LEFT
  84 #define SNAKE_RIGHT BUTTON_RIGHT
  85 #define SNAKE_UP   BUTTON_MENU
  86 #define SNAKE_DOWN BUTTON_PLAY
  87 #define SNAKE_PLAYPAUSE BUTTON_SELECT
  88
  89 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  90 #define SNAKE_QUIT BUTTON_POWER
  91 #define SNAKE_LEFT BUTTON_LEFT
  92 #define SNAKE_RIGHT BUTTON_RIGHT
  93 #define SNAKE_UP   BUTTON_UP
  94 #define SNAKE_DOWN BUTTON_DOWN
  95 #define SNAKE_PLAYPAUSE BUTTON_PLAY
  96
  97 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  98 #define SNAKE_QUIT BUTTON_POWER
  99 #define SNAKE_LEFT BUTTON_LEFT
 100 #define SNAKE_RIGHT BUTTON_RIGHT
 101 #define SNAKE_UP   BUTTON_UP
 102 #define SNAKE_DOWN BUTTON_DOWN
 103 #define SNAKE_PLAYPAUSE BUTTON_SELECT
 104
 105 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
 106     (CONFIG_KEYPAD == SANSA_C200_PAD) || \
 107     (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
 108     (CONFIG_KEYPAD == SANSA_M200_PAD)
 109 #define SNAKE_QUIT BUTTON_POWER
 110 #define SNAKE_LEFT BUTTON_LEFT
 111 #define SNAKE_RIGHT BUTTON_RIGHT
 112 #define SNAKE_UP   BUTTON_UP
 113 #define SNAKE_DOWN BUTTON_DOWN
 114 #define SNAKE_PLAYPAUSE BUTTON_SELECT
 115
 116 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
 117 #define SNAKE_QUIT (BUTTON_HOME|BUTTON_REPEAT)
 118 #define SNAKE_LEFT BUTTON_LEFT
 119 #define SNAKE_RIGHT BUTTON_RIGHT
 120 #define SNAKE_UP   BUTTON_UP
 121 #define SNAKE_DOWN BUTTON_DOWN
 122 #define SNAKE_PLAYPAUSE BUTTON_SELECT
 123
 124 #elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
 125 #define SNAKE_QUIT BUTTON_POWER
 126 #define SNAKE_LEFT BUTTON_LEFT
 127 #define SNAKE_RIGHT BUTTON_RIGHT
 128 #define SNAKE_UP   BUTTON_SCROLL_UP
 129 #define SNAKE_DOWN BUTTON_SCROLL_DOWN
 130 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 131
 132 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
 133 #define SNAKE_QUIT BUTTON_BACK
 134 #define SNAKE_LEFT BUTTON_LEFT
 135 #define SNAKE_RIGHT BUTTON_RIGHT
 136 #define SNAKE_UP   BUTTON_UP
 137 #define SNAKE_DOWN BUTTON_DOWN
 138 #define SNAKE_PLAYPAUSE BUTTON_SELECT
 139
 140 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 141 #define SNAKE_QUIT BUTTON_POWER
 142 #define SNAKE_LEFT BUTTON_LEFT
 143 #define SNAKE_RIGHT BUTTON_RIGHT
 144 #define SNAKE_UP   BUTTON_UP
 145 #define SNAKE_DOWN BUTTON_DOWN
 146 #define SNAKE_PLAYPAUSE BUTTON_SELECT
 147
 148 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 149 #define SNAKE_QUIT BUTTON_RC_REC
 150 #define SNAKE_LEFT BUTTON_RC_REW
 151 #define SNAKE_RIGHT BUTTON_RC_FF
 152 #define SNAKE_UP   BUTTON_RC_VOL_UP
 153 #define SNAKE_DOWN BUTTON_RC_VOL_DOWN
 154 #define SNAKE_PLAYPAUSE BUTTON_RC_PLAY
 155
 156 #define SNAKE_RC_QUIT BUTTON_REC
 157
 158 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 159 #define SNAKE_QUIT BUTTON_BACK
 160 #define SNAKE_LEFT BUTTON_LEFT
 161 #define SNAKE_RIGHT BUTTON_RIGHT
 162 #define SNAKE_UP   BUTTON_UP
 163 #define SNAKE_DOWN BUTTON_DOWN
 164 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 165
 166 #elif (CONFIG_KEYPAD == PHILIPS_HDD1630_PAD) || \
 167     (CONFIG_KEYPAD == PHILIPS_HDD6330_PAD)
 168 #define SNAKE_QUIT BUTTON_POWER
 169 #define SNAKE_LEFT BUTTON_LEFT
 170 #define SNAKE_RIGHT BUTTON_RIGHT
 171 #define SNAKE_UP   BUTTON_UP
 172 #define SNAKE_DOWN BUTTON_DOWN
 173 #define SNAKE_PLAYPAUSE BUTTON_MENU
 174
 175 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 176 #define SNAKE_QUIT BUTTON_POWER
 177 #define SNAKE_LEFT BUTTON_PREV
 178 #define SNAKE_RIGHT BUTTON_NEXT
 179 #define SNAKE_UP   BUTTON_UP
 180 #define SNAKE_DOWN BUTTON_DOWN
 181 #define SNAKE_PLAYPAUSE BUTTON_MENU
 182
 183 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 184 #define SNAKE_QUIT      BUTTON_REC
 185 #define SNAKE_LEFT      BUTTON_LEFT
 186 #define SNAKE_RIGHT     BUTTON_RIGHT
 187 #define SNAKE_UP        BUTTON_UP
 188 #define SNAKE_DOWN      BUTTON_DOWN
 189 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 190
 191 #elif CONFIG_KEYPAD == MROBE500_PAD
 192 #define SNAKE_QUIT BUTTON_POWER
 193 #define SNAKE_RC_QUIT BUTTON_RC_DOWN
 194
 195 #elif (CONFIG_KEYPAD == ONDAVX747_PAD)
 196 #define SNAKE_QUIT BUTTON_POWER
 197
 198 #elif (CONFIG_KEYPAD == ONDAVX777_PAD)
 199 #define SNAKE_QUIT BUTTON_POWER
 200
 201 #elif CONFIG_KEYPAD == COWON_D2_PAD
 202 #define SNAKE_QUIT BUTTON_POWER
 203
 204 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 205 #define SNAKE_QUIT      BUTTON_REC
 206 #define SNAKE_LEFT      BUTTON_PREV
 207 #define SNAKE_RIGHT     BUTTON_NEXT
 208 #define SNAKE_UP        BUTTON_UP
 209 #define SNAKE_DOWN      BUTTON_DOWN
 210 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 211
 212 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 213 #define SNAKE_QUIT (BUTTON_REC|BUTTON_PLAY)
 214 #define SNAKE_LEFT BUTTON_VOL_DOWN
 215 #define SNAKE_RIGHT BUTTON_VOL_UP
 216 #define SNAKE_UP   BUTTON_REW
 217 #define SNAKE_DOWN BUTTON_FF
 218 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 219
 220 #elif CONFIG_KEYPAD == MPIO_HD300_PAD
 221 #define SNAKE_QUIT (BUTTON_REC|BUTTON_REPEAT)
 222 #define SNAKE_LEFT BUTTON_REW
 223 #define SNAKE_RIGHT BUTTON_FF
 224 #define SNAKE_UP   BUTTON_UP
 225 #define SNAKE_DOWN BUTTON_DOWN
 226 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 227
 228 #else
 229 #error No keymap defined!
 230 #endif
 231
 232 #ifdef HAVE_TOUCHSCREEN
 233 #ifndef SNAKE_QUIT
 234 #define SNAKE_QUIT      BUTTON_TOPLEFT
 235 #endif
 236 #ifndef SNAKE_LEFT
 237 #define SNAKE_LEFT      BUTTON_MIDLEFT
 238 #endif
 239 #ifndef SNAKE_RIGHT
 240 #define SNAKE_RIGHT     BUTTON_MIDRIGHT
 241 #endif
 242 #ifndef SNAKE_UP
 243 #define SNAKE_UP        BUTTON_TOPMIDDLE
 244 #endif
 245 #ifndef SNAKE_DOWN
 246 #define SNAKE_DOWN      BUTTON_BOTTOMMIDDLE
 247 #endif
 248 #ifndef SNAKE_PLAYPAUSE
 249 #define SNAKE_PLAYPAUSE BUTTON_CENTER
 250 #endif
 251 #endif
 252
 253 #define BOARD_WIDTH (LCD_WIDTH/4)
 254 #define BOARD_HEIGHT (LCD_HEIGHT/4)
 255
 256 #define CONFIG_FILE_NAME "snake.cfg"
 257 #define SCORE_FILE PLUGIN_GAMES_DATA_DIR "/snake.score"
 258 #define NUM_SCORES 5
 259
 260 static int board[BOARD_WIDTH][BOARD_HEIGHT],snakelength;
 261 static unsigned int score, level = 1;
 262 static int dir;
 263 static bool apple, dead, ingame;
 264 static struct highscore highscores[NUM_SCORES];
 265
 266 static struct configdata config[] = {
 267     {TYPE_INT, 1, 9, { .int_p = &level }, "level", NULL},
 268 };
 269
 270 static void snake_die (void)
 271 {
 272     rb->lcd_clear_display();
 273     rb->lcd_puts(0,0,"Oops...");
 274     rb->lcd_putsf(0,1,"Your score: %d",score);
 275     if (highscore_update(score, level, "", highscores, NUM_SCORES) == 0) {
 276         rb->lcd_puts(0,2,"New High Score!");
 277     }
 278     else {
 279         rb->lcd_putsf(0,2,"High Score: %d", highscores[0].score);
 280     }
 281     rb->lcd_update();
 282     rb->sleep(3*HZ);
 283     dead=true;
 284 }
 285
 286 static void snake_colission (short x, short y)
 287 {
 288     if (x==BOARD_WIDTH || x<0 || y==BOARD_HEIGHT || y<0) {
 289         snake_die();
 290         return;
 291     }
 292     switch (board[x][y]) {
 293         case 0:
 294             break;
 295         case -1:
 296             snakelength+=2;
 297             score+=level;
 298             apple=false;
 299             break;
 300         default:
 301             snake_die();
 302             break;
 303     }
 304 }
 305
 306 static void snake_move_head (short x, short y)
 307 {
 308     switch (dir) {
 309         case 0:
 310             y-=1;
 311             break;
 312         case 1:
 313             x+=1;
 314             break;
 315         case 2:
 316             y+=1;
 317             break;
 318         case 3:
 319             x-=1;
 320             break;
 321     }
 322     snake_colission (x,y);
 323     if (dead)
 324         return;
 325     board[x][y]=1;
 326     rb->lcd_fillrect(x*4,y*4,4,4);
 327 }
 328
 329 static void snake_redraw (void)
 330 {
 331     short x,y;
 332     rb->lcd_clear_display();
 333     for (x=0; x<BOARD_WIDTH; x++) {
 334         for (y=0; y<BOARD_HEIGHT; y++) {
 335             switch (board[x][y]) {
 336                 case -1:
 337                     rb->lcd_fillrect((x*4)+1,y*4,2,4);
 338                     rb->lcd_fillrect(x*4,(y*4)+1,4,2);
 339                     break;
 340                 case 0:
 341                     break;
 342                 default:
 343                     rb->lcd_fillrect(x*4,y*4,4,4);
 344                     break;
 345             }
 346         }
 347     }
 348     rb->lcd_update();
 349 }
 350
 351 static void snake_frame (void)
 352 {
 353     short x,y,head=0;
 354     for (x=0; x<BOARD_WIDTH; x++) {
 355         for (y=0; y<BOARD_HEIGHT; y++) {
 356             switch (board[x][y]) {
 357                 case 1:
 358                     if (!head) {
 359                         snake_move_head(x,y);
 360                         if (dead)
 361                             return;
 362                         board[x][y]++;
 363                         head=1;
 364                     }
 365                     break;
 366                 case 0:
 367                     break;
 368                 case -1:
 369                     break;
 370                 default:
 371                     if (board[x][y]==snakelength) {
 372                         board[x][y]=0;
 373                         rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 374                         rb->lcd_fillrect(x*4,y*4,4,4);
 375                         rb->lcd_set_drawmode(DRMODE_SOLID);
 376                     }
 377                     else
 378                         board[x][y]++;
 379                     break;
 380             }
 381         }
 382     }
 383     rb->lcd_update();
 384 }
 385
 386 static void snake_game_init(void) {
 387     short x,y;
 388     rb->lcd_clear_display();
 389
 390     for (x=0; x<BOARD_WIDTH; x++) {
 391         for (y=0; y<BOARD_HEIGHT; y++) {
 392             board[x][y]=0;
 393         }
 394     }
 395     apple=false;
 396     dead=false;
 397     snakelength=4;
 398     score=0;
 399     dir=1;
 400     board[11][7]=1;
 401 }
 402
 403 static int snake_menu_cb(int action, const struct menu_item_ex *this_item)
 404 {
 405     if(action == ACTION_REQUEST_MENUITEM
 406        && !ingame && ((intptr_t)this_item)==0)
 407         return ACTION_EXIT_MENUITEM;
 408     return action;
 409 }
 410
 411 static int snake_game_menu(void)
 412 {
 413     MENUITEM_STRINGLIST(main_menu,"Snake Menu",snake_menu_cb,
 414                         "Resume Game",
 415                         "Start New Game",
 416                         "Snake Speed",
 417                         "High Score",
 418                         "Playback Control",
 419                         "Quit");
 420     int selected = 0;
 421
 422     rb->button_clear_queue();
 423
 424     while (true) {
 425         switch (rb->do_menu(&main_menu, &selected, NULL, false)) {
 426             case 0:
 427                 snake_redraw();
 428                 return 0;
 429             case 1:
 430                 snake_game_init();
 431                 return 0;
 432             case 2:
 433                 rb->set_int("Snake Speed", "", UNIT_INT, &level,
 434                             NULL, 1, 1, 9, NULL);
 435                 break;
 436             case 3:
 437                 highscore_show(-1, highscores, NUM_SCORES, true);
 438                 rb->lcd_setfont(FONT_UI);
 439                 break;
 440             case 4:
 441                 playback_control(NULL);
 442                 break;
 443             case 5:
 444                 return 1;
 445             case MENU_ATTACHED_USB:
 446                 return 1;
 447             default:
 448                 break;
 449         }
 450     }
 451 }
 452
 453 static int snake_game_loop (void) {
 454     int button;
 455     short x,y;
 456     bool pause = false;
 457
 458     if (snake_game_menu())
 459         return 1;
 460
 461     ingame = true;
 462     while (true) {
 463         if (!pause) {
 464             snake_frame();
 465             if (dead) {
 466                 ingame = false;
 467                 return 0;
 468             }
 469             if (!apple) {
 470                 do {
 471                     x=rb->rand() % BOARD_WIDTH;
 472                     y=rb->rand() % BOARD_HEIGHT;
 473                 } while (board[x][y]);
 474                 apple=true;
 475                 board[x][y]=-1;
 476                 rb->lcd_fillrect((x*4)+1,y*4,2,4);
 477                 rb->lcd_fillrect(x*4,(y*4)+1,4,2);
 478             }
 479
 480             rb->sleep(HZ/level);
 481         }
 482
 483         button=rb->button_get(false);
 484
 485 #ifdef HAS_BUTTON_HOLD
 486         if (rb->button_hold() && !pause)
 487             button = SNAKE_PLAYPAUSE;
 488 #endif
 489         switch (button) {
 490             case SNAKE_UP:
 491                 if (dir!=2) dir=0;
 492                 break;
 493             case SNAKE_RIGHT:
 494                 if (dir!=3) dir=1;
 495                 break;
 496             case SNAKE_DOWN:
 497                 if (dir!=0) dir=2;
 498                 break;
 499             case SNAKE_LEFT:
 500                 if (dir!=1) dir=3;
 501                 break;
 502             case SNAKE_PLAYPAUSE:
 503                 pause = !pause;
 504                 if (pause)
 505                     rb->splash (HZ, "Paused");
 506                 else
 507                     snake_redraw();
 508                 break;
 509 #ifdef SNAKE_RC_QUIT
 510             case SNAKE_RC_QUIT:
 511 #endif
 512             case SNAKE_QUIT:
 513                 return 0;
 514                 break;
 515             default:
 516                 if (rb->default_event_handler (button) == SYS_USB_CONNECTED)
 517                     return 1;
 518                 break;
 519         }
 520     }
 521 }
 522
 523 enum plugin_status plugin_start(const void* parameter)
 524 {
 525     (void)parameter;
 526
 527     configfile_load(CONFIG_FILE_NAME, config, 1, 0);
 528     highscore_load(SCORE_FILE, highscores, NUM_SCORES);
 529     rb->lcd_clear_display();
 530     ingame = false;
 531     while(snake_game_loop() == 0)
 532         ;
 533     configfile_save(CONFIG_FILE_NAME, config, 1, 0);
 534     highscore_save(SCORE_FILE, highscores, NUM_SCORES);
 535     return PLUGIN_OK;
 536 }