📄 flipit.c
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: flipit.c,v 1.0 2003/01/18 23:51:47
*
* 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 toggle[20];
static int cursor_pos, moves;
static char s[5];
static char *ptr;
static unsigned char spot_pic[2][28] = {
{ 0xe0, 0xf8, 0xfc, 0xfe, 0xfe, 0xff, 0xff,
0xff, 0xff, 0xfe, 0xfe, 0xfc, 0xf8, 0xe0,
0x01, 0x07, 0x0f, 0x1f, 0x1f, 0x3f, 0x3f,
0x3f, 0x3f, 0x1f, 0x1f, 0x0f, 0x07, 0x01 },
{ 0xe0, 0x18, 0x04, 0x02, 0x02, 0x01, 0x01,
0x01, 0x01, 0x02, 0x02, 0x04, 0x18, 0xe0,
0x01, 0x06, 0x08, 0x10, 0x10, 0x20, 0x20,
0x20, 0x20, 0x10, 0x10, 0x08, 0x06, 0x01 }
};
static unsigned char cursor_pic[32] = {
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 };
/* draw a spot at the coordinates (x,y), range of p is 0-19 */
static void draw_spot(int p) {
ptr = spot_pic[spots[p]];
rb->lcd_bitmap (ptr, (p%5)*16+1, (p/5)*16+1, 14, 8, true);
ptr += 14;
rb->lcd_bitmap (ptr, (p%5)*16+1, (p/5)*16+9, 14, 6, true);
}
/* draw the cursor at the current cursor position */
static void draw_cursor(void) {
int i,j;
i = (cursor_pos%5)*16;
j = (cursor_pos/5)*16;
ptr = cursor_pic;
rb->lcd_bitmap (ptr, i, j, 16, 8, false);
ptr += 16;
rb->lcd_bitmap (ptr, i, j+8, 16, 8, false);
}
/* clear the cursor where it is */
static void clear_cursor(void) {
int i,j;
i = (cursor_pos%5)*16;
j = (cursor_pos/5)*16;
rb->lcd_clearline(i, j, i+15, j);
rb->lcd_clearline(i, j+15, i+15, j+15);
rb->lcd_clearline(i, j, i, j+15);
rb->lcd_clearline(i+15, j, i+15, j+15);
}
/* check if the puzzle is finished */
static bool flipit_finished(void) {
int i;
for (i=0; i<20; i++)
if (!spots[i])
return false;
clear_cursor();
return true;
}
/* draws the toggled spots */
static void flipit_toggle(void) {
spots[cursor_pos] = 1-spots[cursor_pos];
toggle[cursor_pos] = 1-toggle[cursor_pos];
draw_spot(cursor_pos);
if (cursor_pos%5 > 0) {
spots[cursor_pos-1] = 1-spots[cursor_pos-1];
draw_spot(cursor_pos-1);
}
if (cursor_pos%5 < 4) {
spots[cursor_pos+1] = 1-spots[cursor_pos+1];
draw_spot(cursor_pos+1);
}
if (cursor_pos/5 > 0) {
spots[cursor_pos-5] = 1-spots[cursor_pos-5];
draw_spot(cursor_pos-5);
}
if (cursor_pos/5 < 3) {
spots[cursor_pos+5] = 1-spots[cursor_pos+5];
draw_spot(cursor_pos+5);
}
moves++;
rb->snprintf(s, sizeof(s), "%d", moves);
rb->lcd_putsxy(85, 20, s);
if (flipit_finished())
clear_cursor();
}
/* move the cursor in any direction */
static void move_cursor(int x, int y) {
if (!(flipit_finished())) {
clear_cursor();
cursor_pos += (x+5*y);
draw_cursor();
}
rb->lcd_update();
}
/* initialize the board */
static void flipit_init(void) {
int i;
rb->lcd_clear_display();
moves = 0;
rb->lcd_drawrect(80, 0, 32, 64);
rb->lcd_putsxy(81, 10, "Flips");
for (i=0; i<20; i++) {
spots[i]=1;
toggle[i]=1;
draw_spot(i);
}
rb->lcd_update();
for (i=0; i<20; i++) {
cursor_pos = (rb->rand() % 20);
flipit_toggle();
}
cursor_pos = 0;
draw_cursor();
moves = 0;
rb->lcd_clearrect(80, 0, 32, 64);
rb->lcd_drawrect(80, 0, 32, 64);
rb->lcd_putsxy(81, 10, "Flips");
rb->snprintf(s, sizeof(s), "%d", moves);
rb->lcd_putsxy(85, 20, s);
rb->lcd_update();
}
/* the main game loop */
static bool flipit_loop(void) {
int i;
flipit_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 */
flipit_init();
break;
case BUTTON_F2:
/* solve the puzzle */
if (!flipit_finished()) {
for (i=0; i<20; i++)
if (!toggle[i]) {
clear_cursor();
cursor_pos = i;
draw_cursor();
flipit_toggle();
rb->lcd_update();
rb->sleep(HZ*2/3);
}
}
break;
case BUTTON_F3:
if (!flipit_finished()) {
for (i=0; i<20; i++)
if (!toggle[i]) {
clear_cursor();
cursor_pos = i;
draw_cursor();
flipit_toggle();
rb->lcd_update();
break;
}
}
break;
case BUTTON_PLAY:
/* toggle the pieces */
if (!flipit_finished()) {
flipit_toggle();
rb->lcd_update();
}
break;
case BUTTON_LEFT:
if ((cursor_pos%5)>0)
move_cursor(-1, 0);
break;
case BUTTON_RIGHT:
if ((cursor_pos%5)<4)
move_cursor(1, 0);
break;
case BUTTON_UP:
if ((cursor_pos/5)>0)
move_cursor(0, -1);
break;
case BUTTON_DOWN:
if ((cursor_pos/5)<3)
move_cursor(0, 1);
break;
case SYS_USB_CONNECTED:
rb->usb_screen();
return PLUGIN_USB_CONNECTED;
}
}
}
/* called function from outside */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int w, h, i;
TEST_PLUGIN_API(api);
(void)parameter;
rb = api;
/* print title */
rb->lcd_getstringsize("FlipIt!", &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, "FlipIt!");
rb->lcd_update();
rb->sleep(HZ);
/* print instructions */
rb->lcd_clear_display();
rb->lcd_setfont(FONT_SYSFIXED);
rb->lcd_putsxy(2, 8, "[OFF] to stop");
rb->lcd_putsxy(2, 18, "[PLAY] toggle");
rb->lcd_putsxy(2, 28, "[F1] shuffle");
rb->lcd_putsxy(2, 38, "[F2] solution");
rb->lcd_putsxy(2, 48, "[F3] step by step");
rb->lcd_update();
rb->sleep(HZ*3);
rb->lcd_clear_display();
rb->lcd_drawrect(80, 0, 32, 64);
rb->lcd_putsxy(81, 10, "Flips");
for (i=0; i<20; i++) {
spots[i]=1;
draw_spot(i);
}
rb->lcd_update();
rb->sleep(HZ*3/2);
rb->srand(*rb->current_tick);
return flipit_loop();
}
#endif
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