From 973d7a9440c27d3a25e411bb87b18d906b46a478 Mon Sep 17 00:00:00 2001 From: Björn Stenberg Date: Wed, 2 Jul 2003 21:38:08 +0000 Subject: Snake is back! Written by Itai Shaked. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3802 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/snake.c | 289 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100644 apps/plugins/snake.c (limited to 'apps/plugins/snake.c') diff --git a/apps/plugins/snake.c b/apps/plugins/snake.c new file mode 100644 index 0000000000..7a302178e4 --- /dev/null +++ b/apps/plugins/snake.c @@ -0,0 +1,289 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 Itai Shaked + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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" +#ifdef HAVE_LCD_BITMAP + +static int board[28][16],snakelength; +static unsigned int score,hiscore=0; +static short dir,frames,apple,level=1,dead=0; +static struct plugin_api* rb; + +void die (void) +{ + char pscore[5],hscore[17]; + rb->lcd_clear_display(); + rb->snprintf(pscore,sizeof(pscore),"%d",score); + rb->lcd_putsxy(3,12,"oops..."); + rb->lcd_putsxy(3,22,"Your score :"); + rb->lcd_putsxy(3,32, pscore); + if (score>hiscore) { + hiscore=score; + rb->lcd_putsxy(3,42,"New High Score!"); + } + else { + rb->snprintf(hscore,sizeof(hscore),"High Score: %d",hiscore); + rb->lcd_putsxy(3,42,hscore); + } + rb->lcd_update(); + rb->sleep(3*HZ); + dead=1; +} + +void colission (short x, short y) +{ + switch (board[x][y]) { + case 0: + break; + case -1: + snakelength+=2; + score+=level; + apple=0; + break; + default: + die(); + break; + } + if (x==28 || x<0 || y==16 || y<0) + die(); +} + +void 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; + } + colission (x,y); + if (dead) + return; + board[x][y]=1; + rb->lcd_fillrect(x*4,y*4,4,4); +} + +void frame (void) +{ + short x,y,head=0; + for (x=0; x<28; x++) { + for (y=0; y<16; y++) { + switch (board[x][y]) { + case 1: + if (!head) { + 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_clearrect(x*4,y*4,4,4); + } + else + board[x][y]++; + break; + } + } + } + rb->lcd_update(); +} + +void redraw (void) +{ + short x,y; + rb->lcd_clear_display(); + for (x=0; x<28; x++) { + for (y=0; y<16; 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(); +} + +void game_pause (void) { + rb->lcd_clear_display(); + rb->lcd_putsxy(3,12,"Game Paused"); + rb->lcd_putsxy(3,22,"[Play] to resume"); + rb->lcd_putsxy(3,32,"[Off] to quit"); + rb->lcd_update(); + while (1) { + switch (rb->button_get(true)) { + case BUTTON_OFF: + dead=1; + return; + case BUTTON_PLAY: + redraw(); + rb->sleep(HZ/2); + return; + } + } +} + + +void game (void) { + short x,y; + while (1) { + frame(); + if (dead) + return; + frames++; + if (frames==10) { + frames=0; + if (!apple) { + do { + x=rb->rand() % 28; + y=rb->rand() % 16; + } while (board[x][y]); + apple=1; + 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); + + switch (rb->button_get(false)) { + case BUTTON_UP: + if (dir!=2) dir=0; + break; + case BUTTON_RIGHT: + if (dir!=3) dir=1; + break; + case BUTTON_DOWN: + if (dir!=0) dir=2; + break; + case BUTTON_LEFT: + if (dir!=1) dir=3; + break; + case BUTTON_OFF: + dead=1; + return; + case BUTTON_PLAY: + game_pause(); + break; + } + } +} + +void game_init(void) { + short x,y; + char plevel[10],phscore[20]; + + for (x=0; x<28; x++) { + for (y=0; y<16; y++) { + board[x][y]=0; + } + } + dead=0; + apple=0; + snakelength=4; + score=0; + board[11][7]=1; + + + rb->lcd_clear_display(); + rb->snprintf(plevel,sizeof(plevel),"Level - %d",level); + rb->snprintf(phscore,sizeof(phscore),"High Score: %d",hiscore); + rb->lcd_putsxy(3,2, plevel); + rb->lcd_putsxy(3,12, "(1 - slow, 9 - fast)"); + rb->lcd_putsxy(3,22, "[Off] to quit"); + rb->lcd_putsxy(3,32, "[Play] to start/pause"); + rb->lcd_putsxy(3,42, phscore); + rb->lcd_update(); + + while (1) { + switch (rb->button_get(true)) { + case BUTTON_RIGHT: + case BUTTON_UP: + if (level<9) + level++; + break; + case BUTTON_LEFT: + case BUTTON_DOWN: + if (level>1) + level--; + break; + case BUTTON_OFF: + dead=1; + return; + break; + case BUTTON_PLAY: + return; + break; + } + rb->snprintf(plevel,sizeof(plevel),"Level - %d",level); + rb->lcd_putsxy(3,2, plevel); + rb->lcd_update(); + } + +} + +enum plugin_status plugin_start(struct plugin_api* api, void* parameter) +{ + TEST_PLUGIN_API(api); + (void)(parameter); + rb = api; + + game_init(); + rb->lcd_clear_display(); + game(); + return false; +} + +#endif -- cgit v1.2.3