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rockbox/apps/plugins/sliding_puzzle.c
Björn Stenberg 8bebc8b73f Vicentini Martins lovely sliding puzzle game 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3773 a1c6a512-1295-4272-9138-f99709370657
2003-06-29 19:48:24 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: puzzle.c,v 1.1 2003/01/19 00:19:56
*
* Copyright (C) 2002 Vicentini Martin
*
* 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.
*
****************************************************************************/
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP
static struct plugin_api* rb;
static int spots[20];
static int hole = 19, moves;
static char s[5];
static bool pic = true;
static unsigned char *ptr;
static unsigned char picture[20][32] = {
{ 0x00, 0x00, 0x00, 0x00, 0x18, 0x38, 0xf8, 0xd9,
0x10, 0xb0, 0x60, 0xc0, 0x80, 0x00, 0x30, 0x78,
0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x01, 0x07,
0xbf, 0xf8, 0x43, 0x1c, 0x61, 0x5e, 0xfc, 0xfc },
{ 0x68, 0xc8, 0x48, 0x08, 0x98, 0x90, 0xb0, 0xa4,
0xa0, 0xc0, 0xc0, 0x88, 0x14, 0x08, 0x00, 0x00,
0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x03,
0x00, 0x00, 0x30, 0x48, 0x79, 0x33, 0x06, 0x1c },
{ 0x20, 0x00, 0x06, 0x09, 0x09, 0x06, 0x00, 0x80,
0x40, 0x80, 0x00, 0x08, 0x14, 0x08, 0x20, 0x00,
0x60, 0x30, 0x18, 0xf9, 0x70, 0x00, 0x00, 0x00,
0xf9, 0x18, 0x30, 0x60, 0x30, 0x18, 0x06, 0x32 },
{ 0x00, 0x80, 0x42, 0xa0, 0x50, 0x90, 0x88, 0x88,
0x84, 0xa4, 0xa4, 0x64, 0x24, 0x18, 0x00, 0x40,
0x79, 0x4a, 0x31, 0x02, 0x05, 0x2a, 0xd5, 0xaa,
0x55, 0xaa, 0x55, 0xab, 0x56, 0xac, 0x58, 0xb0 },
{ 0x04, 0x0a, 0x04, 0x00, 0x80, 0x80, 0xc0, 0xc8,
0x40, 0xc2, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00,
0x60, 0x38, 0x9c, 0xe7, 0x59, 0x0c, 0xc4, 0xfc,
0x3f, 0x07, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x04, 0x00, 0x00, 0x80, 0xe0, 0x78, 0x1e,
0xa7, 0xd9, 0xcc, 0x76, 0x3b, 0x0d, 0x1f, 0xff,
0x00, 0x00, 0x00, 0x00, 0x03, 0x13, 0x03, 0x03,
0x11, 0x29, 0x10, 0x00, 0x04, 0x2a, 0x0b, 0x0b },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0,
0xc0, 0x8e, 0x10, 0x00, 0x80, 0x80, 0x60, 0x38,
0x0a, 0x08, 0x05, 0x05, 0x07, 0x03, 0x03, 0x03,
0x03, 0x03, 0x01, 0x11, 0x01, 0x00, 0x00, 0x80 },
{ 0x0e, 0x18, 0x31, 0x3e, 0x1c, 0x00, 0x00, 0x1c,
0x3e, 0x31, 0x18, 0x0c, 0x0c, 0x18, 0x30, 0x20,
0x00, 0x00, 0x08, 0x14, 0x08, 0x00, 0x02, 0x80,
0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
{ 0x60, 0xc0, 0x48, 0xc7, 0x60, 0xb8, 0x57, 0xaa,
0x55, 0xaa, 0x55, 0xaa, 0xd5, 0xaa, 0x75, 0x3a,
0x00, 0x00, 0x01, 0x23, 0x05, 0x05, 0x09, 0x0a,
0x0b, 0x0a, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00 },
{ 0xe5, 0x8d, 0x18, 0x30, 0x41, 0xc1, 0x8f, 0xfe,
0xf0, 0x81, 0x0a, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x03, 0x02, 0x06, 0x06, 0x04, 0x04,
0x04, 0x05, 0x07, 0x06, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x10, 0x28, 0x10, 0x00, 0x04,
0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
0xc0, 0xb0, 0x18, 0xcc, 0x24, 0x86, 0x42, 0x22,
0x31, 0x69, 0xd1, 0xa9, 0x51, 0xa1, 0x41, 0x02 },
{ 0x00, 0x00, 0x00, 0x00, 0x40, 0xa1, 0x40, 0x00,
0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
0x12, 0x16, 0x5c, 0x58, 0xf0, 0xc0, 0x00, 0x00,
0x06, 0x09, 0x09, 0x86, 0x60, 0x18, 0xc4, 0xf2 },
{ 0x00, 0x00, 0x00, 0x80, 0x80, 0x40, 0x40, 0x40,
0x40, 0x40, 0x40, 0x40, 0xc0, 0x80, 0x8c, 0x12,
0x6a, 0xa5, 0x95, 0xd2, 0xca, 0xc9, 0xe9, 0xe9,
0xe1, 0xe9, 0xe1, 0xe1, 0x62, 0x62, 0xc5, 0xc5 },
{ 0x12, 0x0c, 0x00, 0x80, 0x80, 0x40, 0x40, 0x40,
0x40, 0x40, 0x40, 0x82, 0x85, 0x02, 0x00, 0x00,
0x8a, 0x32, 0x6f, 0xd6, 0xaa, 0x55, 0x83, 0x01,
0x81, 0x01, 0x81, 0x82, 0x82, 0x0d, 0xbe, 0xdc },
{ 0x00, 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, 0x00,
0x41, 0x00, 0x00, 0x00, 0x02, 0x05, 0x02, 0x00,
0x00, 0x00, 0x01, 0x02, 0x01, 0x04, 0x00, 0x60,
0x90, 0x90, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x3f, 0x6a, 0xc0, 0x9f, 0x20, 0x27, 0x48, 0x4b,
0x47, 0x22, 0x50, 0x0f, 0x95, 0x4a, 0x25, 0x90,
0x07, 0x0f, 0x17, 0x23, 0x43, 0x42, 0x44, 0x40,
0x44, 0x40, 0x42, 0x40, 0x60, 0x30, 0x3c, 0x1f },
{ 0xd0, 0x50, 0x11, 0xb9, 0xef, 0x07, 0x80, 0x40,
0x30, 0x98, 0x9c, 0xbf, 0x60, 0xc7, 0x0d, 0x36,
0x59, 0x11, 0x21, 0x23, 0x22, 0x21, 0x30, 0x10,
0x0d, 0x42, 0x01, 0x80, 0x00, 0x40, 0x03, 0x0c },
{ 0xc3, 0x81, 0x81, 0x00, 0x00, 0x01, 0x03, 0x03,
0x03, 0x03, 0x02, 0x01, 0x00, 0x00, 0x80, 0x80,
0x10, 0x91, 0x23, 0x23, 0x67, 0xe6, 0xe6, 0xa6,
0xa6, 0xa6, 0xa6, 0xa6, 0xb3, 0x93, 0x59, 0x49 },
{ 0xc1, 0x71, 0xff, 0x54, 0x0a, 0x02, 0x06, 0x0e,
0x0e, 0x0a, 0x06, 0x02, 0x02, 0xc5, 0x7b, 0x17,
0x24, 0x10, 0x3b, 0x7f, 0x92, 0xa6, 0xa4, 0xa4,
0xa4, 0xa4, 0xa4, 0x66, 0x23, 0x11, 0x12, 0x0c },
{ 0x55, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00,
0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0xaa,
0x55, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80,
0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0xaa }
};
/* draws a spot at the coordinates (x,y), range of p is 1-20 */
static void draw_spot(int p, int x, int y) {
if (pic || p==20) {
ptr = picture[p-1];
rb->lcd_bitmap (ptr, x, y, 16, 8, true);
ptr += 16;
rb->lcd_bitmap (ptr, x, y+8, 16, 8, true);
} else {
rb->lcd_drawrect(x, y, 16, 16);
rb->lcd_clearrect(x+1, y+1, 14, 14);
rb->snprintf(s, sizeof(s), "%d", p);
rb->lcd_putsxy(x+2, y+4, s);
}
}
/* check if the puzzle is solved */
static bool puzzle_finished(void) {
int i;
for (i=0; i<20; i++)
if (spots[i] != (i+1))
return false;
return true;
}
/* move a piece in any direction */
static void move_spot(int x, int y) {
int i;
spots[hole] = spots[hole-x-5*y];
hole -= (x+5*y);
moves++;
rb->snprintf(s, sizeof(s), "%d", moves);
rb->lcd_putsxy(85, 20, s);
for (i=4; i<=16; i+=4) {
draw_spot(20, (hole%5)*16, (hole/5)*16);
draw_spot(spots[hole], (hole%5)*16 + x*i, (hole/5)*16 + y*i);
rb->lcd_update();
}
spots[hole] = 20;
}
/* initializes the puzzle */
static void puzzle_init(void) {
int i, r, temp, tsp[20];
moves = 0;
rb->lcd_clear_display();
rb->lcd_drawrect(80, 0, 32, 64);
rb->lcd_putsxy(81, 10, "Moves");
rb->snprintf(s, sizeof(s), "%d", moves);
rb->lcd_putsxy(85, 20, s);
// shuffle spots
for (i=19; i>=0; i--) {
r = (*rb->current_tick % (i+1));
temp = spots[r];
spots[r] = spots[i];
spots[i] = temp;
if (spots[i]==20)
hole = i;
}
// test if the puzzle is solvable
for (i=0; i<20; i++)
tsp[i] = spots[i];
r=0;
if (((4-hole%5) + (3-hole/5))%2 == 1)
++r;
for (i=0; i<15; i++) {
while (tsp[i] != (i+1)) {
temp = tsp[i];
tsp[i] = tsp[temp-1];
tsp[temp-1] = temp;
++r;
}
}
// if the random puzzle isn't solvable just change two spots
if (r%2 == 1) {
if (spots[0]!=20 && spots[1]!=20) {
temp = spots[0];
spots[0] = spots[1];
spots[1] = temp;
} else {
temp = spots[2];
spots[2] = spots[3];
spots[3] = temp;
}
}
// draw spots to the lcd
for (i=0; i<20; i++)
draw_spot(spots[i], (i%5)*16, (i/5)*16);
rb->lcd_update();
}
/* the main game loop */
static int puzzle_loop(void) {
int i;
puzzle_init();
while(true) {
switch (rb->button_get(true)) {
case BUTTON_OFF:
/* get out of here */
return PLUGIN_OK;
case BUTTON_F1:
/* mix up the pieces */
puzzle_init();
break;
case BUTTON_F2:
/* change picture */
pic = (pic==true?false:true);
for (i=0; i<20; i++)
draw_spot(spots[i], (i%5)*16, (i/5)*16);
rb->lcd_update();
break;
case BUTTON_LEFT:
if ((hole%5)<4 && !puzzle_finished())
move_spot(-1, 0);
break;
case BUTTON_RIGHT:
if ((hole%5)>0 && !puzzle_finished())
move_spot(1, 0);
break;
case BUTTON_UP:
if ((hole/5)<3 && !puzzle_finished())
move_spot(0, -1);
break;
case BUTTON_DOWN:
if ((hole/5)>0 && !puzzle_finished())
move_spot(0, 1);
break;
case SYS_USB_CONNECTED:
rb->usb_screen();
return PLUGIN_USB_CONNECTED;
}
}
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int i, w, h;
TEST_PLUGIN_API(api);
(void)parameter;
rb = api;
/* print title */
rb->lcd_getstringsize("Sliding Puzzle", &w, &h);
w = (w+1)/2;
h = (h+1)/2;
rb->lcd_clear_display();
rb->lcd_putsxy(LCD_WIDTH/2-w, (LCD_HEIGHT/2)-h, "Sliding Puzzle");
rb->lcd_update();
rb->sleep(HZ);
/* print instructions */
rb->lcd_clear_display();
rb->lcd_putsxy(3, 18, "[OFF] to stop");
rb->lcd_putsxy(3, 28, "[F1] shuffle");
rb->lcd_putsxy(3, 38, "[F2] change pic");
rb->lcd_update();
rb->sleep(HZ*2);
rb->lcd_clear_display();
rb->lcd_drawrect(80, 0, 32, 64);
rb->lcd_putsxy(81, 10, "Moves");
for (i=0; i<20; i++) {
spots[i]=(i+1);
draw_spot(spots[i], (i%5)*16, (i/5)*16);
}
hole = 19;
pic = true;
rb->lcd_update();
rb->sleep(HZ*2);
return puzzle_loop();
}
#endif
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