summaryrefslogtreecommitdiff
path: root/apps/plugins/snake.c
blob: ae1e4350adf42cd00a346991715ae94e7d7e48c2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 Itai Shaked
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

/*
Snake!

by Itai Shaked

ok, a little explanation - 
board holds the snake and apple position - 1+ - snake body (the number
represents the age [1 is the snake's head]).
-1 is an apple, and 0 is a clear spot.
dir is the current direction of the snake - 0=up, 1=right, 2=down, 3=left;

*/

#include "plugin.h"

#include "lib/configfile.h"
#include "lib/highscore.h"
#include "lib/playback_control.h"



/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif CONFIG_KEYPAD == ONDIO_PAD
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_MENU

#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
      (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_ON

#define SNAKE_RC_QUIT BUTTON_RC_STOP

#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
      (CONFIG_KEYPAD == IPOD_3G_PAD) || \
      (CONFIG_KEYPAD == IPOD_1G2G_PAD)
#define SNAKE_QUIT (BUTTON_SELECT|BUTTON_MENU)
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_MENU
#define SNAKE_DOWN BUTTON_PLAY
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
    (CONFIG_KEYPAD == SANSA_C200_PAD) || \
    (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
    (CONFIG_KEYPAD == SANSA_M200_PAD) || \
    (CONFIG_KEYPAD == SANSA_CONNECT_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
#define SNAKE_QUIT (BUTTON_HOME|BUTTON_REPEAT)
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_SCROLL_UP
#define SNAKE_DOWN BUTTON_SCROLL_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
      (CONFIG_KEYPAD == SAMSUNG_YPR0_PAD)
#define SNAKE_QUIT BUTTON_BACK
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif (CONFIG_KEYPAD == MROBE100_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
#define SNAKE_QUIT BUTTON_RC_REC
#define SNAKE_LEFT BUTTON_RC_REW
#define SNAKE_RIGHT BUTTON_RC_FF
#define SNAKE_UP   BUTTON_RC_VOL_UP
#define SNAKE_DOWN BUTTON_RC_VOL_DOWN
#define SNAKE_PLAYPAUSE BUTTON_RC_PLAY

#define SNAKE_RC_QUIT BUTTON_REC

#elif CONFIG_KEYPAD == CREATIVEZVM_PAD
#define SNAKE_QUIT BUTTON_BACK
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == CREATIVE_ZENXFI3_PAD
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_BACK
#define SNAKE_RIGHT BUTTON_MENU
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif (CONFIG_KEYPAD == PHILIPS_HDD1630_PAD) || \
    (CONFIG_KEYPAD == PHILIPS_HDD6330_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_MENU

#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_PREV
#define SNAKE_RIGHT BUTTON_NEXT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_MENU

#elif (CONFIG_KEYPAD == SAMSUNG_YH820_PAD) || \
      (CONFIG_KEYPAD == SAMSUNG_YH92X_PAD)
#define SNAKE_QUIT      BUTTON_REW
#define SNAKE_LEFT      BUTTON_LEFT
#define SNAKE_RIGHT     BUTTON_RIGHT
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == MROBE500_PAD
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_RC_QUIT BUTTON_RC_DOWN

#elif (CONFIG_KEYPAD == ONDAVX747_PAD)
#define SNAKE_QUIT BUTTON_POWER

#elif (CONFIG_KEYPAD == ONDAVX777_PAD)
#define SNAKE_QUIT BUTTON_POWER

#elif CONFIG_KEYPAD == COWON_D2_PAD
#define SNAKE_QUIT BUTTON_POWER

#elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
#define SNAKE_QUIT      BUTTON_REC
#define SNAKE_LEFT      BUTTON_PREV
#define SNAKE_RIGHT     BUTTON_NEXT
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == MPIO_HD200_PAD
#define SNAKE_QUIT      (BUTTON_REC|BUTTON_PLAY)
#define SNAKE_LEFT      BUTTON_VOL_DOWN
#define SNAKE_RIGHT     BUTTON_VOL_UP
#define SNAKE_UP        BUTTON_REW
#define SNAKE_DOWN      BUTTON_FF
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == MPIO_HD300_PAD
#define SNAKE_QUIT      (BUTTON_MENU|BUTTON_REPEAT)
#define SNAKE_LEFT      BUTTON_REW
#define SNAKE_RIGHT     BUTTON_FF
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == SANSA_FUZEPLUS_PAD
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP   BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAYPAUSE

#elif (CONFIG_KEYPAD == HM60X_PAD) || \
    (CONFIG_KEYPAD == HM801_PAD)
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_LEFT
#define SNAKE_RIGHT     BUTTON_RIGHT
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif CONFIG_KEYPAD == SONY_NWZ_PAD
#define SNAKE_QUIT      BUTTON_BACK
#define SNAKE_LEFT      BUTTON_LEFT
#define SNAKE_RIGHT     BUTTON_RIGHT
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == CREATIVE_ZEN_PAD
#define SNAKE_QUIT      BUTTON_BACK
#define SNAKE_LEFT      BUTTON_LEFT
#define SNAKE_RIGHT     BUTTON_RIGHT
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAYPAUSE

#elif CONFIG_KEYPAD == DX50_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_LEFT
#define SNAKE_RIGHT     BUTTON_PLAY
#define SNAKE_UP        BUTTON_VOL_UP
#define SNAKE_DOWN      BUTTON_VOL_DOWN
#define SNAKE_PLAYPAUSE BUTTON_RIGHT

#elif CONFIG_KEYPAD == CREATIVE_ZENXFI2_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_PLAYPAUSE BUTTON_MENU

#elif CONFIG_KEYPAD == AGPTEK_ROCKER_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_LEFT
#define SNAKE_RIGHT     BUTTON_RIGHT
#define SNAKE_UP        BUTTON_UP
#define SNAKE_DOWN      BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT

#elif CONFIG_KEYPAD == XDUOO_X3_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_PREV
#define SNAKE_RIGHT     BUTTON_NEXT
#define SNAKE_UP        BUTTON_HOME
#define SNAKE_DOWN      BUTTON_OPTION
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == XDUOO_X3II_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_PREV
#define SNAKE_RIGHT     BUTTON_NEXT
#define SNAKE_UP        BUTTON_HOME
#define SNAKE_DOWN      BUTTON_OPTION
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == XDUOO_X20_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_PREV
#define SNAKE_RIGHT     BUTTON_NEXT
#define SNAKE_UP        BUTTON_HOME
#define SNAKE_DOWN      BUTTON_OPTION
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == IHIFI_770_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_HOME
#define SNAKE_RIGHT     BUTTON_VOL_DOWN
#define SNAKE_UP        BUTTON_PREV
#define SNAKE_DOWN      BUTTON_NEXT
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#elif CONFIG_KEYPAD == IHIFI_800_PAD
#define SNAKE_QUIT      BUTTON_POWER
#define SNAKE_LEFT      BUTTON_HOME
#define SNAKE_RIGHT     BUTTON_VOL_DOWN
#define SNAKE_UP        BUTTON_PREV
#define SNAKE_DOWN      BUTTON_NEXT
#define SNAKE_PLAYPAUSE BUTTON_PLAY

#else
#error No keymap defined!
#endif

#ifdef HAVE_TOUCHSCREEN
#ifndef SNAKE_QUIT
#define SNAKE_QUIT      BUTTON_TOPLEFT
#endif
#ifndef SNAKE_LEFT
#define SNAKE_LEFT      BUTTON_MIDLEFT
#endif
#ifndef SNAKE_RIGHT
#define SNAKE_RIGHT     BUTTON_MIDRIGHT
#endif
#ifndef SNAKE_UP
#define SNAKE_UP        BUTTON_TOPMIDDLE
#endif
#ifndef SNAKE_DOWN
#define SNAKE_DOWN      BUTTON_BOTTOMMIDDLE
#endif
#ifndef SNAKE_PLAYPAUSE
#define SNAKE_PLAYPAUSE BUTTON_CENTER
#endif
#endif

#define BOARD_WIDTH (LCD_WIDTH/4)
#define BOARD_HEIGHT (LCD_HEIGHT/4)

#define CONFIG_FILE_NAME "snake.cfg"
#define SCORE_FILE PLUGIN_GAMES_DATA_DIR "/snake.score"
#define NUM_SCORES 5

static int board[BOARD_WIDTH][BOARD_HEIGHT],snakelength;
static unsigned int score, level = 1;
static int dir;
static bool apple, dead, ingame;
static struct highscore highscores[NUM_SCORES];

static struct configdata config[] = {
    {TYPE_INT, 1, 9, { .int_p = &level }, "level", NULL},
};

static void snake_die (void)
{
    rb->lcd_clear_display();
    rb->lcd_puts(0,0,"Oops...");
    rb->lcd_putsf(0,1,"Your score: %d",score);
    if (highscore_update(score, level, "", highscores, NUM_SCORES) == 0) {
        rb->lcd_puts(0,2,"New High Score!");
    }
    else {
        rb->lcd_putsf(0,2,"High Score: %d", highscores[0].score);
    }
    rb->lcd_update();
    rb->sleep(3*HZ);
    dead=true;
}

static void snake_colission (short x, short y)
{
    if (x==BOARD_WIDTH || x<0 || y==BOARD_HEIGHT || y<0) {
        snake_die();
        return;
    }
    switch (board[x][y]) {
        case 0:
            break;
        case -1:
            snakelength+=2;
            score+=level;
            apple=false;
            break;
        default:
            snake_die();
            break;
    }
}

static void snake_move_head (short x, short y)
{
    switch (dir) {
        case 0:
            y-=1;
            break;
        case 1:
            x+=1;
            break;
        case 2:
            y+=1;
            break;
        case 3:
            x-=1;
            break;
    }
    snake_colission (x,y);
    if (dead)
        return;
    board[x][y]=1;
    rb->lcd_fillrect(x*4,y*4,4,4);
}

static void snake_redraw (void)
{
    short x,y;
    rb->lcd_clear_display();
    for (x=0; x<BOARD_WIDTH; x++) {
        for (y=0; y<BOARD_HEIGHT; y++) {
            switch (board[x][y]) {
                case -1:
                    rb->lcd_fillrect((x*4)+1,y*4,2,4);
                    rb->lcd_fillrect(x*4,(y*4)+1,4,2);
                    break;
                case 0:
                    break;
                default:
                    rb->lcd_fillrect(x*4,y*4,4,4);
                    break;
            }
        }
    }
    rb->lcd_update();
}

static void snake_frame (void)
{
    short x,y,head=0;
    for (x=0; x<BOARD_WIDTH; x++) {
        for (y=0; y<BOARD_HEIGHT; y++) {
            switch (board[x][y]) {
                case 1:
                    if (!head) {
                        snake_move_head(x,y);
                        if (dead)
                            return;
                        board[x][y]++;
                        head=1;
                    }
                    break;
                case 0:
                    break;
                case -1:
                    break;
                default:
                    if (board[x][y]==snakelength) {
                        board[x][y]=0;
                        rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
                        rb->lcd_fillrect(x*4,y*4,4,4);
                        rb->lcd_set_drawmode(DRMODE_SOLID);
                    }
                    else
                        board[x][y]++;
                    break;
            }
        }
    }
    rb->lcd_update();
}

static void snake_game_init(void) {
    short x,y;
    rb->lcd_clear_display();

    for (x=0; x<BOARD_WIDTH; x++) {
        for (y=0; y<BOARD_HEIGHT; y++) {
            board[x][y]=0;
        }
    }
    apple=false;
    dead=false;
    snakelength=4;
    score=0;
    dir=1;
    board[11][7]=1;
}

static int snake_menu_cb(int action, const struct menu_item_ex *this_item)
{
    if(action == ACTION_REQUEST_MENUITEM
       && !ingame && ((intptr_t)this_item)==0)
        return ACTION_EXIT_MENUITEM;
    return action;
}

static int snake_game_menu(void)
{
    MENUITEM_STRINGLIST(main_menu,"Snake Menu",snake_menu_cb,
                        "Resume Game",
                        "Start New Game",
                        "Snake Speed",
                        "High Score",
                        "Playback Control",
                        "Quit");
    int selected = 0;

    rb->button_clear_queue();

    while (true) {
        switch (rb->do_menu(&main_menu, &selected, NULL, false)) {
            case 0:
                snake_redraw();
                return 0;
            case 1:
                snake_game_init();
                return 0;
            case 2:
                rb->set_int("Snake Speed", "", UNIT_INT, &level,
                            NULL, 1, 1, 9, NULL);
                break;
            case 3:
                highscore_show(-1, highscores, NUM_SCORES, true);
                rb->lcd_setfont(FONT_UI);
                break;
            case 4:
                playback_control(NULL);
                break;
            case 5:
                return 1;
            case MENU_ATTACHED_USB:
                return 1;
            default:
                break;
        }
    }
}

static int snake_game_loop (void) {
    int button;
    short x,y;
    bool pause = false;

    if (snake_game_menu())
        return 1;

    ingame = true;
    while (true) {
        if (!pause) {
            snake_frame();
            if (dead) {
                ingame = false;
                return 0;
            }
            if (!apple) {
                do {
                    x=rb->rand() % BOARD_WIDTH;
                    y=rb->rand() % BOARD_HEIGHT;
                } while (board[x][y]);
                apple=true;
                board[x][y]=-1;
                rb->lcd_fillrect((x*4)+1,y*4,2,4);
                rb->lcd_fillrect(x*4,(y*4)+1,4,2);
            }

            rb->sleep(HZ/level);
        }

        button=rb->button_get(false);

#ifdef HAS_BUTTON_HOLD
        if (rb->button_hold() && !pause)
            button = SNAKE_PLAYPAUSE;
#endif
        switch (button) {
            case SNAKE_UP:
                if (dir!=2) dir=0;
                break;
            case SNAKE_RIGHT:
                if (dir!=3) dir=1;
                break;
            case SNAKE_DOWN:
                if (dir!=0) dir=2;
                break;
            case SNAKE_LEFT:
                if (dir!=1) dir=3;
                break;
            case SNAKE_PLAYPAUSE:
                pause = !pause;
                if (pause)
                    rb->splash (HZ, "Paused");
                else
                    snake_redraw();
                break;
#ifdef SNAKE_RC_QUIT
            case SNAKE_RC_QUIT:
#endif
            case SNAKE_QUIT:
                return 0;
                break;
            default:
                if (rb->default_event_handler (button) == SYS_USB_CONNECTED)
                    return 1;
                break;
        }
    }
}

enum plugin_status plugin_start(const void* parameter)
{
    (void)parameter;

    configfile_load(CONFIG_FILE_NAME, config, 1, 0);
    highscore_load(SCORE_FILE, highscores, NUM_SCORES);
    rb->lcd_clear_display();
    ingame = false;
    while(snake_game_loop() == 0)
        ;
    configfile_save(CONFIG_FILE_NAME, config, 1, 0);
    highscore_save(SCORE_FILE, highscores, NUM_SCORES);
    return PLUGIN_OK;
}