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 #else
 221 #error No keymap defined!
 222 #endif
 223
 224 #ifdef HAVE_TOUCHSCREEN
 225 #ifndef SNAKE_QUIT
 226 #define SNAKE_QUIT      BUTTON_TOPLEFT
 227 #endif
 228 #ifndef SNAKE_LEFT
 229 #define SNAKE_LEFT      BUTTON_MIDLEFT
 230 #endif
 231 #ifndef SNAKE_RIGHT
 232 #define SNAKE_RIGHT     BUTTON_MIDRIGHT
 233 #endif
 234 #ifndef SNAKE_UP
 235 #define SNAKE_UP        BUTTON_TOPMIDDLE
 236 #endif
 237 #ifndef SNAKE_DOWN
 238 #define SNAKE_DOWN      BUTTON_BOTTOMMIDDLE
 239 #endif
 240 #ifndef SNAKE_PLAYPAUSE
 241 #define SNAKE_PLAYPAUSE BUTTON_CENTER
 242 #endif
 243 #endif
 244
 245 #define BOARD_WIDTH (LCD_WIDTH/4)
 246 #define BOARD_HEIGHT (LCD_HEIGHT/4)
 247
 248 #define CONFIG_FILE_NAME "snake.cfg"
 249 #define SCORE_FILE PLUGIN_GAMES_DIR "/snake.score"
 250 #define NUM_SCORES 5
 251
 252 static int board[BOARD_WIDTH][BOARD_HEIGHT],snakelength;
 253 static unsigned int score, level = 1;
 254 static int dir;
 255 static bool apple, dead, ingame;
 256 static struct highscore highscores[NUM_SCORES];
 257
 258 static struct configdata config[] = {
 259     {TYPE_INT, 1, 9, { .int_p = &level }, "level", NULL},
 260 };
 261
 262 static void snake_die (void)
 263 {
 264     rb->lcd_clear_display();
 265     rb->lcd_puts(0,0,"Oops...");
 266     rb->lcd_putsf(0,1,"Your score: %d",score);
 267     if (highscore_update(score, level, "", highscores, NUM_SCORES) == 0) {
 268         rb->lcd_puts(0,2,"New High Score!");
 269     }
 270     else {
 271         rb->lcd_putsf(0,2,"High Score: %d", highscores[0].score);
 272     }
 273     rb->lcd_update();
 274     rb->sleep(3*HZ);
 275     dead=true;
 276 }
 277
 278 static void snake_colission (short x, short y)
 279 {
 280     if (x==BOARD_WIDTH || x<0 || y==BOARD_HEIGHT || y<0) {
 281         snake_die();
 282         return;
 283     }
 284     switch (board[x][y]) {
 285         case 0:
 286             break;
 287         case -1:
 288             snakelength+=2;
 289             score+=level;
 290             apple=false;
 291             break;
 292         default:
 293             snake_die();
 294             break;
 295     }
 296 }
 297
 298 static void snake_move_head (short x, short y)
 299 {
 300     switch (dir) {
 301         case 0:
 302             y-=1;
 303             break;
 304         case 1:
 305             x+=1;
 306             break;
 307         case 2:
 308             y+=1;
 309             break;
 310         case 3:
 311             x-=1;
 312             break;
 313     }
 314     snake_colission (x,y);
 315     if (dead)
 316         return;
 317     board[x][y]=1;
 318     rb->lcd_fillrect(x*4,y*4,4,4);
 319 }
 320
 321 static void snake_redraw (void)
 322 {
 323     short x,y;
 324     rb->lcd_clear_display();
 325     for (x=0; x<BOARD_WIDTH; x++) {
 326         for (y=0; y<BOARD_HEIGHT; y++) {
 327             switch (board[x][y]) {
 328                 case -1:
 329                     rb->lcd_fillrect((x*4)+1,y*4,2,4);
 330                     rb->lcd_fillrect(x*4,(y*4)+1,4,2);
 331                     break;
 332                 case 0:
 333                     break;
 334                 default:
 335                     rb->lcd_fillrect(x*4,y*4,4,4);
 336                     break;
 337             }
 338         }
 339     }
 340     rb->lcd_update();
 341 }
 342
 343 static void snake_frame (void)
 344 {
 345     short x,y,head=0;
 346     for (x=0; x<BOARD_WIDTH; x++) {
 347         for (y=0; y<BOARD_HEIGHT; y++) {
 348             switch (board[x][y]) {
 349                 case 1:
 350                     if (!head) {
 351                         snake_move_head(x,y);
 352                         if (dead)
 353                             return;
 354                         board[x][y]++;
 355                         head=1;
 356                     }
 357                     break;
 358                 case 0:
 359                     break;
 360                 case -1:
 361                     break;
 362                 default:
 363                     if (board[x][y]==snakelength) {
 364                         board[x][y]=0;
 365                         rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 366                         rb->lcd_fillrect(x*4,y*4,4,4);
 367                         rb->lcd_set_drawmode(DRMODE_SOLID);
 368                     }
 369                     else
 370                         board[x][y]++;
 371                     break;
 372             }
 373         }
 374     }
 375     rb->lcd_update();
 376 }
 377
 378 static void snake_game_init(void) {
 379     short x,y;
 380     rb->lcd_clear_display();
 381
 382     for (x=0; x<BOARD_WIDTH; x++) {
 383         for (y=0; y<BOARD_HEIGHT; y++) {
 384             board[x][y]=0;
 385         }
 386     }
 387     apple=false;
 388     dead=false;
 389     snakelength=4;
 390     score=0;
 391     dir=1;
 392     board[11][7]=1;
 393 }
 394
 395 static int snake_menu_cb(int action, const struct menu_item_ex *this_item)
 396 {
 397     if(action == ACTION_REQUEST_MENUITEM
 398        && !ingame && ((intptr_t)this_item)==0)
 399         return ACTION_EXIT_MENUITEM;
 400     return action;
 401 }
 402
 403 static int snake_game_menu(void)
 404 {
 405     MENUITEM_STRINGLIST(main_menu,"Snake Menu",snake_menu_cb,
 406                         "Resume Game",
 407                         "Start New Game",
 408                         "Snake Speed",
 409                         "High Score",
 410                         "Playback Control",
 411                         "Quit");
 412     int selected = 0;
 413
 414     rb->button_clear_queue();
 415
 416     while (true) {
 417         switch (rb->do_menu(&main_menu, &selected, NULL, false)) {
 418             case 0:
 419                 snake_redraw();
 420                 return 0;
 421             case 1:
 422                 snake_game_init();
 423                 return 0;
 424             case 2:
 425                 rb->set_int("Snake Speed", "", UNIT_INT, &level,
 426                             NULL, 1, 1, 9, NULL);
 427                 break;
 428             case 3:
 429                 highscore_show(-1, highscores, NUM_SCORES, true);
 430                 rb->lcd_setfont(FONT_UI);
 431                 break;
 432             case 4:
 433                 playback_control(NULL);
 434                 break;
 435             case 5:
 436                 return 1;
 437             case MENU_ATTACHED_USB:
 438                 return 1;
 439             default:
 440                 break;
 441         }
 442     }
 443 }
 444
 445 static int snake_game_loop (void) {
 446     int button;
 447     short x,y;
 448     bool pause = false;
 449
 450     if (snake_game_menu())
 451         return 1;
 452
 453     ingame = true;
 454     while (true) {
 455         if (!pause) {
 456             snake_frame();
 457             if (dead) {
 458                 ingame = false;
 459                 return 0;
 460             }
 461             if (!apple) {
 462                 do {
 463                     x=rb->rand() % BOARD_WIDTH;
 464                     y=rb->rand() % BOARD_HEIGHT;
 465                 } while (board[x][y]);
 466                 apple=true;
 467                 board[x][y]=-1;
 468                 rb->lcd_fillrect((x*4)+1,y*4,2,4);
 469                 rb->lcd_fillrect(x*4,(y*4)+1,4,2);
 470             }
 471
 472             rb->sleep(HZ/level);
 473         }
 474
 475         button=rb->button_get(false);
 476
 477 #ifdef HAS_BUTTON_HOLD
 478         if (rb->button_hold() && !pause)
 479             button = SNAKE_PLAYPAUSE;
 480 #endif
 481         switch (button) {
 482             case SNAKE_UP:
 483                 if (dir!=2) dir=0;
 484                 break;
 485             case SNAKE_RIGHT:
 486                 if (dir!=3) dir=1;
 487                 break;
 488             case SNAKE_DOWN:
 489                 if (dir!=0) dir=2;
 490                 break;
 491             case SNAKE_LEFT:
 492                 if (dir!=1) dir=3;
 493                 break;
 494             case SNAKE_PLAYPAUSE:
 495                 pause = !pause;
 496                 if (pause)
 497                     rb->splash (HZ, "Paused");
 498                 else
 499                     snake_redraw();
 500                 break;
 501 #ifdef SNAKE_RC_QUIT
 502             case SNAKE_RC_QUIT:
 503 #endif
 504             case SNAKE_QUIT:
 505                 return 0;
 506                 break;
 507             default:
 508                 if (rb->default_event_handler (button) == SYS_USB_CONNECTED)
 509                     return 1;
 510                 break;
 511         }
 512     }
 513 }
 514
 515 enum plugin_status plugin_start(const void* parameter)
 516 {
 517     (void)parameter;
 518
 519     configfile_load(CONFIG_FILE_NAME, config, 1, 0);
 520     highscore_load(SCORE_FILE, highscores, NUM_SCORES);
 521     rb->lcd_clear_display();
 522     ingame = false;
 523     while(snake_game_loop() == 0)
 524         ;
 525     configfile_save(CONFIG_FILE_NAME, config, 1, 0);
 526     highscore_save(SCORE_FILE, highscores, NUM_SCORES);
 527     return PLUGIN_OK;
 528 }