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 #ifdef HAVE_LCD_BITMAP
  37 #include "lib/configfile.h"
  38 #include "lib/highscore.h"
  39 #include "lib/playback_control.h"
  40
  41 PLUGIN_HEADER
  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 #define SNAKE_QUIT BUTTON_POWER
 168 #define SNAKE_LEFT BUTTON_LEFT
 169 #define SNAKE_RIGHT BUTTON_RIGHT
 170 #define SNAKE_UP   BUTTON_UP
 171 #define SNAKE_DOWN BUTTON_DOWN
 172 #define SNAKE_PLAYPAUSE BUTTON_MENU
 173
 174 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 175 #define SNAKE_QUIT BUTTON_POWER
 176 #define SNAKE_LEFT BUTTON_PREV
 177 #define SNAKE_RIGHT BUTTON_NEXT
 178 #define SNAKE_UP   BUTTON_UP
 179 #define SNAKE_DOWN BUTTON_DOWN
 180 #define SNAKE_PLAYPAUSE BUTTON_MENU
 181
 182 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 183 #define SNAKE_QUIT      BUTTON_REC
 184 #define SNAKE_LEFT      BUTTON_LEFT
 185 #define SNAKE_RIGHT     BUTTON_RIGHT
 186 #define SNAKE_UP        BUTTON_UP
 187 #define SNAKE_DOWN      BUTTON_DOWN
 188 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 189
 190 #elif CONFIG_KEYPAD == MROBE500_PAD
 191 #define SNAKE_QUIT BUTTON_POWER
 192 #define SNAKE_RC_QUIT BUTTON_RC_DOWN
 193
 194 #elif (CONFIG_KEYPAD == ONDAVX747_PAD)
 195 #define SNAKE_QUIT BUTTON_POWER
 196
 197 #elif (CONFIG_KEYPAD == ONDAVX777_PAD)
 198 #define SNAKE_QUIT BUTTON_POWER
 199
 200 #elif CONFIG_KEYPAD == COWON_D2_PAD
 201 #define SNAKE_QUIT BUTTON_POWER
 202
 203 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 204 #define SNAKE_QUIT      BUTTON_REC
 205 #define SNAKE_LEFT      BUTTON_PREV
 206 #define SNAKE_RIGHT     BUTTON_NEXT
 207 #define SNAKE_UP        BUTTON_UP
 208 #define SNAKE_DOWN      BUTTON_DOWN
 209 #define SNAKE_PLAYPAUSE BUTTON_PLAY
 210
 211 #else
 212 #error No keymap defined!
 213 #endif
 214
 215 #ifdef HAVE_TOUCHSCREEN
 216 #ifndef SNAKE_QUIT
 217 #define SNAKE_QUIT      BUTTON_TOPLEFT
 218 #endif
 219 #ifndef SNAKE_LEFT
 220 #define SNAKE_LEFT      BUTTON_MIDLEFT
 221 #endif
 222 #ifndef SNAKE_RIGHT
 223 #define SNAKE_RIGHT     BUTTON_MIDRIGHT
 224 #endif
 225 #ifndef SNAKE_UP
 226 #define SNAKE_UP        BUTTON_TOPMIDDLE
 227 #endif
 228 #ifndef SNAKE_DOWN
 229 #define SNAKE_DOWN      BUTTON_BOTTOMMIDDLE
 230 #endif
 231 #ifndef SNAKE_PLAYPAUSE
 232 #define SNAKE_PLAYPAUSE BUTTON_CENTER
 233 #endif
 234 #endif
 235
 236 #define BOARD_WIDTH (LCD_WIDTH/4)
 237 #define BOARD_HEIGHT (LCD_HEIGHT/4)
 238
 239 #define CONFIG_FILE_NAME "snake.cfg"
 240 #define SCORE_FILE PLUGIN_GAMES_DIR "/snake.score"
 241 #define NUM_SCORES 5
 242
 243 static int board[BOARD_WIDTH][BOARD_HEIGHT],snakelength;
 244 static unsigned int score, level = 1;
 245 static int dir;
 246 static bool apple, dead, ingame;
 247 static struct highscore highscores[NUM_SCORES];
 248
 249 static struct configdata config[] = {
 250     {TYPE_INT, 1, 9, { .int_p = &level }, "level", NULL},
 251 };
 252
 253 static void snake_die (void)
 254 {
 255     char pscore[17];
 256     rb->lcd_clear_display();
 257     rb->snprintf(pscore,sizeof(pscore),"Your score: %d",score);
 258     rb->lcd_puts(0,0,"Oops...");
 259     rb->lcd_puts(0,1, pscore);
 260     if (highscore_update(score, level, "", highscores, NUM_SCORES) == 0) {
 261         rb->lcd_puts(0,2,"New High Score!");
 262     }
 263     else {
 264         rb->snprintf(pscore, sizeof(pscore),
 265                     "High Score: %d", highscores[0].score);
 266         rb->lcd_puts(0,2,pscore);
 267     }
 268     rb->lcd_update();
 269     rb->sleep(3*HZ);
 270     dead=true;
 271 }
 272
 273 static void snake_colission (short x, short y)
 274 {
 275     if (x==BOARD_WIDTH || x<0 || y==BOARD_HEIGHT || y<0) {
 276         snake_die();
 277         return;
 278     }
 279     switch (board[x][y]) {
 280         case 0:
 281             break;
 282         case -1:
 283             snakelength+=2;
 284             score+=level;
 285             apple=false;
 286             break;
 287         default:
 288             snake_die();
 289             break;
 290     }
 291 }
 292
 293 static void snake_move_head (short x, short y)
 294 {
 295     switch (dir) {
 296         case 0:
 297             y-=1;
 298             break;
 299         case 1:
 300             x+=1;
 301             break;
 302         case 2:
 303             y+=1;
 304             break;
 305         case 3:
 306             x-=1;
 307             break;
 308     }
 309     snake_colission (x,y);
 310     if (dead)
 311         return;
 312     board[x][y]=1;
 313     rb->lcd_fillrect(x*4,y*4,4,4);
 314 }
 315
 316 static void snake_redraw (void)
 317 {
 318     short x,y;
 319     rb->lcd_clear_display();
 320     for (x=0; x<BOARD_WIDTH; x++) {
 321         for (y=0; y<BOARD_HEIGHT; y++) {
 322             switch (board[x][y]) {
 323                 case -1:
 324                     rb->lcd_fillrect((x*4)+1,y*4,2,4);
 325                     rb->lcd_fillrect(x*4,(y*4)+1,4,2);
 326                     break;
 327                 case 0:
 328                     break;
 329                 default:
 330                     rb->lcd_fillrect(x*4,y*4,4,4);
 331                     break;
 332             }
 333         }
 334     }
 335     rb->lcd_update();
 336 }
 337
 338 static void snake_frame (void)
 339 {
 340     short x,y,head=0;
 341     for (x=0; x<BOARD_WIDTH; x++) {
 342         for (y=0; y<BOARD_HEIGHT; y++) {
 343             switch (board[x][y]) {
 344                 case 1:
 345                     if (!head) {
 346                         snake_move_head(x,y);
 347                         if (dead)
 348                             return;
 349                         board[x][y]++;
 350                         head=1;
 351                     }
 352                     break;
 353                 case 0:
 354                     break;
 355                 case -1:
 356                     break;
 357                 default:
 358                     if (board[x][y]==snakelength) {
 359                         board[x][y]=0;
 360                         rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 361                         rb->lcd_fillrect(x*4,y*4,4,4);
 362                         rb->lcd_set_drawmode(DRMODE_SOLID);
 363                     }
 364                     else
 365                         board[x][y]++;
 366                     break;
 367             }
 368         }
 369     }
 370     rb->lcd_update();
 371 }
 372
 373 static void snake_game_init(void) {
 374     short x,y;
 375     rb->lcd_clear_display();
 376
 377     for (x=0; x<BOARD_WIDTH; x++) {
 378         for (y=0; y<BOARD_HEIGHT; y++) {
 379             board[x][y]=0;
 380         }
 381     }
 382     apple=false;
 383     dead=false;
 384     snakelength=4;
 385     score=0;
 386     dir=1;
 387     board[11][7]=1;
 388 }
 389
 390 static int snake_menu_cb(int action, const struct menu_item_ex *this_item)
 391 {
 392     if(action == ACTION_REQUEST_MENUITEM
 393        && !ingame && ((intptr_t)this_item)==0)
 394         return ACTION_EXIT_MENUITEM;
 395     return action;
 396 }
 397
 398 static int snake_game_menu(void)
 399 {
 400     MENUITEM_STRINGLIST(main_menu,"Snake Menu",snake_menu_cb,
 401                         "Resume Game",
 402                         "Start New Game",
 403                         "Snake Speed",
 404                         "High Score",
 405                         "Playback Control",
 406                         "Quit");
 407     int selected = 0;
 408
 409     rb->button_clear_queue();
 410
 411     while (true) {
 412         switch (rb->do_menu(&main_menu, &selected, NULL, false)) {
 413             case 0:
 414                 snake_redraw();
 415                 return 0;
 416             case 1:
 417                 snake_game_init();
 418                 return 0;
 419             case 2:
 420                 rb->set_int("Snake Speed", "", UNIT_INT, &level,
 421                             NULL, 1, 1, 9, NULL);
 422                 break;
 423             case 3:
 424                 highscore_show(-1, highscores, NUM_SCORES, true);
 425                 rb->lcd_setfont(FONT_UI);
 426                 break;
 427             case 4:
 428                 playback_control(NULL);
 429                 break;
 430             case 5:
 431                 return 1;
 432             case MENU_ATTACHED_USB:
 433                 return 1;
 434             default:
 435                 break;
 436         }
 437     }
 438 }
 439
 440 static int snake_game_loop (void) {
 441     int button;
 442     short x,y;
 443     bool pause = false;
 444
 445     if (snake_game_menu())
 446         return 1;
 447
 448     ingame = true;
 449     while (true) {
 450         if (!pause) {
 451             snake_frame();
 452             if (dead) {
 453                 ingame = false;
 454                 return 0;
 455             }
 456             if (!apple) {
 457                 do {
 458                     x=rb->rand() % BOARD_WIDTH;
 459                     y=rb->rand() % BOARD_HEIGHT;
 460                 } while (board[x][y]);
 461                 apple=true;
 462                 board[x][y]=-1;
 463                 rb->lcd_fillrect((x*4)+1,y*4,2,4);
 464                 rb->lcd_fillrect(x*4,(y*4)+1,4,2);
 465             }
 466
 467             rb->sleep(HZ/level);
 468         }
 469
 470         button=rb->button_get(false);
 471
 472 #ifdef HAS_BUTTON_HOLD
 473         if (rb->button_hold() && !pause)
 474             button = SNAKE_PLAYPAUSE;
 475 #endif
 476         switch (button) {
 477             case SNAKE_UP:
 478                 if (dir!=2) dir=0;
 479                 break;
 480             case SNAKE_RIGHT:
 481                 if (dir!=3) dir=1;
 482                 break;
 483             case SNAKE_DOWN:
 484                 if (dir!=0) dir=2;
 485                 break;
 486             case SNAKE_LEFT:
 487                 if (dir!=1) dir=3;
 488                 break;
 489             case SNAKE_PLAYPAUSE:
 490                 pause = !pause;
 491                 if (pause)
 492                     rb->splash (HZ, "Paused");
 493                 else
 494                     snake_redraw();
 495                 break;
 496 #ifdef SNAKE_RC_QUIT
 497             case SNAKE_RC_QUIT:
 498 #endif
 499             case SNAKE_QUIT:
 500                 return 0;
 501                 break;
 502             default:
 503                 if (rb->default_event_handler (button) == SYS_USB_CONNECTED)
 504                     return 1;
 505                 break;
 506         }
 507     }
 508 }
 509
 510 enum plugin_status plugin_start(const void* parameter)
 511 {
 512     (void)parameter;
 513
 514     configfile_load(CONFIG_FILE_NAME, config, 1, 0);
 515     highscore_load(SCORE_FILE, highscores, NUM_SCORES);
 516     rb->lcd_clear_display();
 517     ingame = false;
 518     while(snake_game_loop() == 0)
 519         ;
 520     configfile_save(CONFIG_FILE_NAME, config, 1, 0);
 521     highscore_save(SCORE_FILE, highscores, NUM_SCORES);
 522     return PLUGIN_OK;
 523 }
 524 #endif