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-rw-r--r--apps/plugins/snake.c289
1 files changed, 289 insertions, 0 deletions
diff --git a/apps/plugins/snake.c b/apps/plugins/snake.c
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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
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