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rockbox/apps/plugins/solitaire.c
Michael Sevakis dd7b8fcbe2 Fixed background color on solitaire menu. It wasn't set when entering menu and having a dark background made it almost unreadable. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11182 a1c6a512-1295-4272-9138-f99709370657
2006-10-11 02:24:57 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2004-2006 Antoine Cellerier <dionoea @t videolan d.t org>
*
* 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.
*
****************************************************************************/
/*****************************************************************************
Solitaire by dionoea
Graphics & Fix Bugs by Ben Basha
use arrows to move the cursor
use ON to select cards, move cards, reveal hidden cards, ...
use PLAY to move a card from the remains' stack to the top of the cursor
use F1 to put card under cursor on one of the 4 final stacks
use F2 to un-select card if a card was selected, else draw 3 new cards
out of the remains' stack
use F3 to put card on top of the remains' stack on one of the 4 final stacks
*****************************************************************************/
#include "plugin.h"
#include "configfile.h"
#include "button.h"
#include "lcd.h"
#ifdef HAVE_LCD_BITMAP
PLUGIN_HEADER
static struct plugin_api* rb;
#define min(a,b) (a<b?a:b)
/**
* Key definitions
*/
#if CONFIG_KEYPAD == RECORDER_PAD
# define SOL_QUIT BUTTON_OFF
# define SOL_UP BUTTON_UP
# define SOL_DOWN BUTTON_DOWN
# define SOL_LEFT BUTTON_LEFT
# define SOL_RIGHT BUTTON_RIGHT
# define SOL_MOVE BUTTON_ON
# define SOL_DRAW BUTTON_F1
# define SOL_REM2CUR BUTTON_PLAY
# define SOL_CUR2STACK BUTTON_F2
# define SOL_REM2STACK BUTTON_F3
# define HK_MOVE "ON"
# define HK_DRAW "F1"
# define HK_REM2CUR "PLAY"
# define HK_CUR2STACK "F2"
# define HK_REM2STACK "F3"
#elif CONFIG_KEYPAD == ONDIO_PAD
# define SOL_QUIT BUTTON_OFF
# define SOL_UP_PRE BUTTON_UP
# define SOL_UP (BUTTON_UP | BUTTON_REL)
# define SOL_DOWN_PRE BUTTON_DOWN
# define SOL_DOWN (BUTTON_DOWN | BUTTON_REL)
# define SOL_LEFT_PRE BUTTON_LEFT
# define SOL_LEFT (BUTTON_LEFT | BUTTON_REL)
# define SOL_RIGHT_PRE BUTTON_RIGHT
# define SOL_RIGHT (BUTTON_RIGHT | BUTTON_REL)
# define SOL_MOVE_PRE BUTTON_MENU
# define SOL_MOVE (BUTTON_MENU | BUTTON_REL)
# define SOL_DRAW_PRE BUTTON_MENU
# define SOL_DRAW (BUTTON_MENU | BUTTON_REPEAT)
# define SOL_REM2CUR_PRE BUTTON_DOWN
# define SOL_REM2CUR (BUTTON_DOWN | BUTTON_REPEAT)
# define SOL_CUR2STACK_PRE BUTTON_UP
# define SOL_CUR2STACK (BUTTON_UP | BUTTON_REPEAT)
# define SOL_REM2STACK_PRE BUTTON_RIGHT
# define SOL_REM2STACK (BUTTON_RIGHT | BUTTON_REPEAT)
# define HK_MOVE "MODE"
# define HK_DRAW "MODE.."
# define HK_REM2CUR "DOWN.."
# define HK_CUR2STACK "UP.."
# define HK_REM2STACK "RIGHT.."
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
# define SOL_QUIT BUTTON_OFF
# define SOL_UP BUTTON_UP
# define SOL_DOWN BUTTON_DOWN
# define SOL_LEFT BUTTON_LEFT
# define SOL_RIGHT BUTTON_RIGHT
# define SOL_MOVE_PRE BUTTON_SELECT
# define SOL_MOVE (BUTTON_SELECT | BUTTON_REL)
# define SOL_DRAW BUTTON_MODE
# define SOL_REM2CUR (BUTTON_LEFT | BUTTON_ON)
# define SOL_CUR2STACK_PRE BUTTON_SELECT
# define SOL_CUR2STACK (BUTTON_SELECT | BUTTON_REPEAT)
# define SOL_REM2STACK (BUTTON_RIGHT | BUTTON_ON)
# define SOL_REM BUTTON_REC
# define SOL_RC_QUIT BUTTON_RC_STOP
# define HK_MOVE "NAVI"
# define HK_DRAW "A-B"
# define HK_REM2CUR "PLAY+LEFT"
# define HK_CUR2STACK "NAVI.."
# define HK_REM2STACK "PLAY+RIGHT"
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) ||(CONFIG_KEYPAD == IPOD_3G_PAD)
# define SOL_QUIT (BUTTON_SELECT | BUTTON_MENU)
# define SOL_UP BUTTON_SCROLL_BACK
# define SOL_DOWN BUTTON_SCROLL_FWD
# define SOL_LEFT_PRE BUTTON_LEFT
# define SOL_LEFT (BUTTON_LEFT | BUTTON_REL)
# define SOL_RIGHT_PRE BUTTON_RIGHT
# define SOL_RIGHT (BUTTON_RIGHT | BUTTON_REL)
# define SOL_MOVE_PRE BUTTON_SELECT
# define SOL_MOVE (BUTTON_SELECT | BUTTON_REL)
# define SOL_DRAW_PRE BUTTON_MENU
# define SOL_DRAW (BUTTON_MENU | BUTTON_REL)
# define SOL_REM2CUR BUTTON_PLAY
# define SOL_CUR2STACK_PRE BUTTON_MENU
# define SOL_CUR2STACK (BUTTON_MENU | BUTTON_REPEAT)
# define SOL_REM2STACK_PRE BUTTON_RIGHT
# define SOL_REM2STACK (BUTTON_RIGHT | BUTTON_REPEAT)
# define HK_UD "SCROLL U/D"
# define HK_MOVE "SELECT"
# define HK_DRAW "MENU"
# define HK_REM2CUR "PLAY"
# define HK_CUR2STACK "MENU.."
# define HK_REM2STACK "RIGHT.."
#elif (CONFIG_KEYPAD == IAUDIO_X5_PAD)
# define SOL_QUIT BUTTON_POWER
# define SOL_UP BUTTON_UP
# define SOL_DOWN BUTTON_DOWN
# define SOL_LEFT BUTTON_LEFT
# define SOL_RIGHT BUTTON_RIGHT
# define SOL_MOVE BUTTON_SELECT
# define SOL_DRAW BUTTON_PLAY
# define SOL_REM2CUR (BUTTON_REC | BUTTON_LEFT)
# define SOL_CUR2STACK (BUTTON_REC | BUTTON_UP)
# define SOL_REM2STACK (BUTTON_REC | BUTTON_DOWN)
# define HK_MOVE "MENU"
# define HK_DRAW "PLAY"
# define HK_REM2CUR "REC+LEFT"
# define HK_CUR2STACK "REC+UP"
# define HK_REM2STACK "REC+DOWN"
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
# define SOL_QUIT BUTTON_A
# define SOL_UP BUTTON_UP
# define SOL_DOWN BUTTON_DOWN
# define SOL_LEFT BUTTON_LEFT
# define SOL_RIGHT BUTTON_RIGHT
# define SOL_MOVE_PRE BUTTON_SELECT
# define SOL_MOVE (BUTTON_SELECT | BUTTON_REL)
# define SOL_DRAW BUTTON_MENU
# define SOL_REM2CUR (BUTTON_LEFT | BUTTON_POWER)
# define SOL_CUR2STACK (BUTTON_SELECT | BUTTON_REPEAT)
# define SOL_REM2STACK (BUTTON_RIGHT | BUTTON_POWER)
# define HK_MOVE "SELECT"
# define HK_DRAW "MENU"
# define HK_REM2CUR "POWER+LEFT"
# define HK_CUR2STACK "SELECT.."
# define HK_REM2STACK "POWER+RIGHT"
#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
# define SOL_QUIT BUTTON_POWER
# define SOL_UP BUTTON_SCROLL_UP
# define SOL_DOWN BUTTON_SCROLL_DOWN
# define SOL_LEFT BUTTON_LEFT
# define SOL_RIGHT BUTTON_RIGHT
# define SOL_MOVE BUTTON_REW
# define SOL_DRAW BUTTON_PLAY
# define SOL_REM2CUR (BUTTON_FF | BUTTON_LEFT)
# define SOL_CUR2STACK (BUTTON_FF | BUTTON_SCROLL_UP)
# define SOL_REM2STACK (BUTTON_FF | BUTTON_SCROLL_DOWN)
# define HK_MOVE "REW"
# define HK_DRAW "PLAY"
# define HK_REM2CUR "REW+LEFT"
# define HK_CUR2STACK "REW+UP.."
# define HK_REM2STACK "REW+DOWN"
#else
# error "Unknown keypad"
#endif
#define HK_LR "LEFT/RIGHT"
#ifndef HK_UD
# define HK_UD "UP/DOWN"
#endif
/**
* Help strings
*/
static int helplines;
static int displaylines;
static char helptext[] =
/* Use single spaces only! Close each line with one \0. */
"-- Navigation --\0"
HK_LR ": Move the cursor to the previous/ next column.\0"
HK_UD ": Move the cursor up/ down in the column.\0"
HK_MOVE ": Select cards, move cards, reveal hidden cards...\0"
HK_DRAW ": Deselect a card if it was selected. Else draw new card(s) from the remains stack.\0"
"-- Shortcuts --\0"
HK_REM2CUR ": Put the card on top of the remains stack on top of the cursor.\0"
HK_CUR2STACK ": Put the card under the cursor on one of the 4 final stacks.\0"
HK_REM2STACK ": Put the card on top of the remains stack on one of the 4 final stacks.\0"
;
/**
* Misc constants, graphics and other defines
*/
#include "solitaire_cardback.h"
#include "solitaire_deck.h"
#include "solitaire_suitsi.h"
#define CARD_GFX_WIDTH BMPWIDTH_solitaire_cardback
#define CARD_GFX_HEIGHT BMPHEIGHT_solitaire_cardback
#define CARD_WIDTH (BMPWIDTH_solitaire_cardback+2)
#define CARD_HEIGHT (BMPHEIGHT_solitaire_cardback+2)
#if LCD_WIDTH >= 320
# define MARGIN 4
# define LARGE_CARD
# define SYMBOL_HEIGHT 12
#elif LCD_WIDTH >= 220
# define MARGIN 3
# define LARGE_CARD
# define SYMBOL_HEIGHT 12
#elif LCD_WIDTH >= 160
# define MARGIN 2
# define SYMBOL_HEIGHT 11
#elif LCD_WIDTH >= 128
# define MARGIN 1
# define SYMBOL_HEIGHT 10
#else
# define MARGIN 0
# define SYMBOL_HEIGHT 8
#endif
#define CARD_START (CARD_HEIGHT+2*MARGIN+1)
/* background color */
#ifdef HAVE_LCD_COLOR
# define BACKGROUND_COLOR LCD_RGBPACK(0,157,0)
# define FRAME_COLOR LCD_RGBPACK(23,119,218)
#elif LCD_DEPTH > 1
# define BACKGROUND_COLOR LCD_WHITE
# define FRAME_COLOR LCD_BLACK
#endif
#define CONFIG_FILENAME "sol.cfg"
#define NOT_A_CARD -1
/* number of cards per suit */
#define CARDS_PER_SUIT 13
/* number of suits */
#define SUITS 4
#define NUM_CARDS ( CARDS_PER_SUIT * SUITS )
/* number of columns */
#define COL_NUM 7
/* pseudo column numbers to be used for cursor coordinates */
/* columns COL_NUM to COL_NUM + SUITS - 1 correspond to the final stacks */
#define STACKS_COL COL_NUM
/* column COL_NUM + SUITS corresponds to the remains' stack */
#define REM_COL (STACKS_COL + SUITS)
#define NOT_A_COL -1
typedef struct
{
signed char suit;
signed char num;
bool known : 1;
bool used : 1; /* this is what is used when dealing cards */
signed char next;
} card_t;
/**
* LCD card drawing routines
*/
static void draw_cursor( int x, int y )
{
rb->lcd_set_drawmode( DRMODE_COMPLEMENT );
rb->lcd_fillrect( x+1, y+1, CARD_GFX_WIDTH, CARD_GFX_HEIGHT );
#ifdef LARGE_CARD
rb->lcd_drawpixel( x+1, y+1 );
rb->lcd_drawpixel( x+1, y+CARD_HEIGHT-2 );
rb->lcd_drawpixel( x+CARD_WIDTH-2, y+1 );
rb->lcd_drawpixel( x+CARD_WIDTH-2, y+CARD_HEIGHT-2 );
#endif
rb->lcd_set_drawmode( DRMODE_SOLID );
}
/* Draw a card's border, select it if it's selected and draw the cursor
* if the cursor is currently over the card */
static void draw_card_ext( int x, int y, bool selected, bool cursor )
{
#ifdef LARGE_CARD
rb->lcd_hline( x+2, x+CARD_WIDTH-3, y );
rb->lcd_hline( x+2, x+CARD_WIDTH-3, y+CARD_HEIGHT-1 );
rb->lcd_vline( x, y+2, y+CARD_HEIGHT-3 );
rb->lcd_vline( x+CARD_WIDTH-1, y+2, y+CARD_HEIGHT-3 );
rb->lcd_drawpixel( x+1, y+1 );
rb->lcd_drawpixel( x+1, y+CARD_HEIGHT-2 );
rb->lcd_drawpixel( x+CARD_WIDTH-2, y+1 );
rb->lcd_drawpixel( x+CARD_WIDTH-2, y+CARD_HEIGHT-2 );
#else
rb->lcd_hline( x+1, x+CARD_WIDTH-2, y );
rb->lcd_hline( x+1, x+CARD_WIDTH-2, y+CARD_HEIGHT-1 );
rb->lcd_vline( x, y+1, y+CARD_HEIGHT-2 );
rb->lcd_vline( x+CARD_WIDTH-1, y+1, y+CARD_HEIGHT-2 );
#endif
if( selected )
{
#if LCD_DEPTH > 1
rb->lcd_set_foreground( FRAME_COLOR );
#endif
rb->lcd_drawrect( x+1, y+1, CARD_WIDTH-2, CARD_HEIGHT-2 );
#ifdef LARGE_CARD
rb->lcd_drawrect( x+2, y+2, CARD_WIDTH-4, CARD_HEIGHT-4 );
#endif
}
#if LCD_DEPTH > 1
rb->lcd_set_foreground( LCD_BLACK );
#endif
if( cursor )
{
draw_cursor( x, y );
}
}
/* Draw a card's inner graphics */
static void draw_card( card_t *card, int x, int y,
bool selected, bool cursor )
{
if( card->known )
{
rb->lcd_bitmap_part( solitaire_deck, CARD_GFX_WIDTH * card->num,
CARD_GFX_HEIGHT * card->suit, BMPWIDTH_solitaire_deck,
x+1, y+1, CARD_GFX_WIDTH, CARD_GFX_HEIGHT );
}
else
{
rb->lcd_bitmap( solitaire_cardback, x+1, y+1,
CARD_GFX_WIDTH, CARD_GFX_HEIGHT );
}
draw_card_ext( x, y, selected, cursor );
}
/* Draw an empty stack */
static void draw_empty_stack( int s, int x, int y, bool cursor )
{
rb->lcd_bitmap_part( solitaire_suitsi, 0,
CARD_GFX_HEIGHT * s, BMPWIDTH_solitaire_suitsi,
x+1, y+1, CARD_GFX_WIDTH, CARD_GFX_HEIGHT );
draw_card_ext( x, y, false, cursor );
}
/**
* Help
*/
static void init_help(void)
{
int lines = 0;
int w_space, w, h;
int para_len;
char *para = helptext;
rb->lcd_getstringsize(" ", &w_space, &h);
displaylines = LCD_HEIGHT / h;
para_len = rb->strlen(para);
while (para_len)
{
bool first = true;
int x = 0;
char *next, *store;
next = rb->strtok_r(para, " ", &store);
while (next)
{
rb->lcd_getstringsize(next, &w, NULL);
if (!first)
{
if (x + w > LCD_WIDTH)
{
lines++;
x = 0;
}
else
next[-1] = ' '; /* re-concatenate string */
}
else
first = false;
x += w + w_space;
next = rb->strtok_r(NULL, " ", &store);
}
lines++;
para += para_len + 1;
para_len = rb->strlen(para);
}
helplines = lines;
}
enum help { HELP_QUIT, HELP_USB };
/* help for the not so intuitive interface */
enum help solitaire_help( void )
{
int start = 0;
int button;
int lastbutton = BUTTON_NONE;
bool fixed = (displaylines >= helplines);
while( true )
{
char *text = helptext;
int line = fixed ? (displaylines - helplines) / 2 : 0;
int i;
rb->lcd_clear_display();
for (i = 0; i < start + displaylines; i++)
{
if (i >= start)
rb->lcd_puts(0, line++, text);
text += rb->strlen(text) + 1;
}
rb->lcd_update();
button = rb->button_get( true );
switch( button )
{
case SOL_UP:
#ifdef SOL_UP_PRE
if( lastbutton != SOL_UP_PRE )
break;
#else
case SOL_UP|BUTTON_REPEAT:
#endif
if (!fixed && start > 0)
start--;
break;
case SOL_DOWN:
#ifdef SOL_DOWN_PRE
if( lastbutton != SOL_DOWN_PRE )
break;
#else
case SOL_DOWN|BUTTON_REPEAT:
#endif
if (!fixed && start < helplines - displaylines)
start++;
break;
#ifdef SOL_RC_QUIT
case SOL_RC_QUIT:
#endif
case SOL_QUIT:
return HELP_QUIT;
default:
if( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
return HELP_USB;
break;
}
if( button != BUTTON_NONE )
lastbutton = button;
}
}
/**
* Custom menu / options
*/
#define CFGFILE_VERSION 0
/* introduce a struct if there's more than one setting */
int draw_type_disk = 0;
int draw_type;
static struct configdata config[] = {
{ TYPE_INT, 0, 1, &draw_type_disk, "draw_type", NULL, NULL }
};
char draw_option_string[32];
static void create_draw_option_string(void)
{
if (draw_type == 0)
rb->strcpy(draw_option_string, "Draw Three Cards");
else
rb->strcpy(draw_option_string, "Draw One Card");
}
void solitaire_init(void);
/* menu return codes */
enum { MENU_RESUME, MENU_QUIT, MENU_USB };
int solitaire_menu(bool in_game)
{
int m;
int result = -1;
int i = 0;
struct menu_item items[4];
#if LCD_DEPTH > 1
rb->lcd_set_background(LCD_DEFAULT_BG);
rb->lcd_set_foreground(LCD_DEFAULT_FG);
#endif
if (in_game)
{
items[i++].desc = "Resume Game";
items[i++].desc = "Restart Game";
}
else
{
items[i++].desc = "Start Game";
items[i++].desc = draw_option_string;
}
items[i++].desc = "Help";
items[i++].desc = "Quit";
create_draw_option_string();
m = rb->menu_init(items, i, NULL, NULL, NULL, NULL);
while (result < 0)
{
switch (rb->menu_show(m))
{
case MENU_SELECTED_EXIT:
result = MENU_RESUME;
break;
case MENU_ATTACHED_USB:
result = MENU_USB;
break;
case 0:
result = MENU_RESUME;
break;
case 1:
if (in_game)
{
solitaire_init();
result = MENU_RESUME;
}
else
{
draw_type = (draw_type + 1) % 2;
create_draw_option_string();
}
break;
case 2:
rb->lcd_setmargins(0, 0);
if (solitaire_help() == HELP_USB)
result = MENU_USB;
break;
case 3:
result = MENU_QUIT;
break;
}
}
rb->menu_exit(m);
rb->lcd_setmargins(0, 0);
return result;
}
/**
* Global variables
*/
/* player's cursor */
int cur_card;
/* player's cursor column num */
int cur_col;
/* selected card */
int sel_card;
/* the deck */
card_t deck[ NUM_CARDS ];
/* the remaining cards */
/* first card of the remains' stack */
int rem;
/* upper visible card from the remains' stack */
int cur_rem;
/* number of cards drawn from the remains stack - 1 */
int count_rem;
/* number of cards per draw of the remains' stack */
int cards_per_draw;
/* the 7 game columns */
int cols[COL_NUM];
/* the 4 final stacks */
int stacks[SUITS];
/**
* Card handling routines
*/
int next_random_card( card_t *deck )
{
int i,r;
r = rb->rand()%(NUM_CARDS)+1;
i = 0;
while( r>0 )
{
i = (i + 1)%(NUM_CARDS);
if( !deck[i].used ) r--;
}
deck[i].used = true;
return i;
}
/* initialize the game */
void solitaire_init( void )
{
int c;
int i, j;
/* number of cards that are drawn on the remains' stack (by pressing F2) */
if( draw_type == 0 )
{
cards_per_draw = 3;
}
else
{
cards_per_draw = 1;
}
/* init deck */
for( i=0; i<SUITS; i++ )
{
for( j=0; j<CARDS_PER_SUIT; j++ )
{
#define card deck[i*CARDS_PER_SUIT+j]
card.suit = i;
card.num = j;
card.known = true;
card.used = false;
card.next = NOT_A_CARD;
#undef card
}
}
/* deal the cards ... */
/* ... in the columns */
for( i=0; i<COL_NUM; i++ )
{
c = NOT_A_CARD;
for( j=0; j<=i; j++ )
{
if( c == NOT_A_CARD )
{
cols[i] = next_random_card( deck );
c = cols[i];
}
else
{
deck[c].next = next_random_card( deck );
c = deck[c].next;
}
if( j < i )
deck[c].known = false;
}
}
/* ... shuffle what's left of the deck */
rem = next_random_card(deck);
c = rem;
for( i=1; i < NUM_CARDS - COL_NUM * (COL_NUM + 1)/2; i++ )
{
deck[c].next = next_random_card( deck );
c = deck[c].next;
}
/* we now finished dealing the cards. The game can start ! (at last) */
/* init the stack */
for( i = 0; i<SUITS; i++ )
{
stacks[i] = NOT_A_CARD;
}
/* the cursor starts on upper left card */
cur_card = cols[0];
cur_col = 0;
/* no card is selected */
sel_card = NOT_A_CARD;
/* init the remainder */
cur_rem = NOT_A_CARD;
count_rem = -1;
}
/* find the column number in which 'card' can be found */
int find_card_col( int card )
{
int i;
int c;
if( card == NOT_A_CARD ) return NOT_A_COL;
for( i=0; i<COL_NUM; i++ )
{
c = cols[i];
while( c != NOT_A_CARD )
{
if( c == card ) return i;
c = deck[c].next;
}
}
for( i=0; i<SUITS; i++ )
{
c = stacks[i];
while( c != NOT_A_CARD )
{
if( c == card ) return STACKS_COL + i;
c = deck[c].next;
}
}
return REM_COL;
}
/* find the card preceding 'card' */
/* if it doesn't exist, return NOT_A_CARD */
int find_prev_card( int card ){
int i;
for( i=0; i < NUM_CARDS; i++ )
{
if( deck[i].next == card ) return i;
}
return NOT_A_CARD;
}
/* find the last card of a given column */
int find_last_card( int col )
{
int c;
if( col < COL_NUM )
{
c = cols[col];
}
else if( col < REM_COL )
{
c = stacks[col - STACKS_COL];
}
else
{
c = cur_rem;
}
if(c == NOT_A_CARD)
return c;
else
{
while(deck[c].next != NOT_A_CARD)
c = deck[c].next;
return c;
}
}
enum move { MOVE_OK, MOVE_NOT_OK };
enum move move_card( int dest_col, int src_card )
{
/* the column on which to take src_card */
int src_col;
/* the last card of dest_col */
int dest_card;
/* the card under src_card */
int src_card_prev;
/* you can't move no card (at least, it doesn't have any consequence) */
if( src_card == NOT_A_CARD ) return MOVE_NOT_OK;
/* you can't put a card back on the remains' stack */
if( dest_col == REM_COL ) return MOVE_NOT_OK;
/* you can't move an unknown card */
if( !deck[src_card].known ) return MOVE_NOT_OK;
src_col = find_card_col( src_card );
dest_card = find_last_card( dest_col );
src_card_prev = find_prev_card( src_card );
/* you can't move more than one card at a time from the final stack */
/* to the rest of the game */
if( src_col >= COL_NUM && src_col < REM_COL
&& deck[src_card].next != NOT_A_CARD )
{
return MOVE_NOT_OK;
}
/* if we (that means dest) are on one of the 7 columns ... */
if( dest_col < COL_NUM )
{
/* ... check is we are on an empty color and that the src is a king */
if( dest_card == NOT_A_CARD
&& deck[src_card].num == CARDS_PER_SUIT - 1 )
{
/* this is a winning combination */
cols[dest_col] = src_card;
}
/* ... or check if the cards follow one another and have
* different colorsuit */
else if(( deck[dest_card].suit + deck[src_card].suit)%2==1
&& deck[dest_card].num == deck[src_card].num + 1 )
{
/* this is a winning combination */
deck[dest_card].next = src_card;
}
/* ... or, humpf, well that's not good news */
else
{
/* this is not a winning combination */
return MOVE_NOT_OK;
}
}
/* if we are on one of the 4 final stacks ... */
else if( dest_col < REM_COL )
{
/* ... check if we are on an empty stack... */
if( dest_card == NOT_A_CARD )
{
/* ... and the src is an ace and this is the correct final stack */
if( deck[src_card].num == 0
&& deck[src_card].suit == dest_col - STACKS_COL )
{
/* this is a winning combination */
stacks[dest_col - STACKS_COL] = src_card;
}
else
{
/* this is not a winning combination */
return MOVE_NOT_OK;
}
}
else /* non-empty stack */
{
/* ...check if the cards follow one another, have the same suit and
* {that src has no .next element or is from the remains' stack} */
if( deck[dest_card].suit == deck[src_card].suit
&& deck[dest_card].num + 1 == deck[src_card].num
&& (deck[src_card].next == NOT_A_CARD || src_col == REM_COL) )
{
/* this is a winning combination */
deck[dest_card].next = src_card;
}
/* ... or, well that's not good news */
else
{
/* this is not a winning combination */
return MOVE_NOT_OK;
}
}
}
/* if we are on the remains' stack */
else
{
/* you can't move a card back to the remains' stack */
return MOVE_NOT_OK;
}
/* if the src card is from the remains' stack, we don't want to take
* the following cards */
if( src_col == REM_COL )
{
/* if src card is the first card from the stack */
if( src_card_prev == NOT_A_CARD )
{
rem = deck[src_card].next;
}
/* if src card is not the first card from the stack */
else
{
deck[src_card_prev].next = deck[src_card].next;
}
deck[src_card].next = NOT_A_CARD;
cur_rem = src_card_prev;
count_rem--;
}
/* if the src card is from somewhere else, just take everything */
else
{
if( src_card_prev == NOT_A_CARD )
{
if( src_col < COL_NUM )
{
cols[src_col] = NOT_A_CARD;
}
else
{
stacks[src_col - STACKS_COL] = NOT_A_CARD;
}
}
else
{
deck[src_card_prev].next = NOT_A_CARD;
}
}
sel_card = NOT_A_CARD;
/* tada ! */
return MOVE_OK;
}
enum { SOLITAIRE_WIN, SOLITAIRE_QUIT, SOLITAIRE_USB };
/**
* Bouncing cards at the end of the game
*/
#define BC_ACCEL ((1<<16)*LCD_HEIGHT/128)
#define BC_MYSPEED (6*BC_ACCEL)
#define BC_MXSPEED (6*LCD_HEIGHT/128)
int bouncing_cards( void )
{
int i, j, x, vx, y, fp_y, fp_vy, button;
/* flush the button queue */
while( ( button = rb->button_get( false ) ) != BUTTON_NONE )
{
if( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
return SOLITAIRE_USB;
}
/* fun stuff :) */
for( i = CARDS_PER_SUIT-1; i>=0; i-- )
{
for( j = 0; j < SUITS; j++ )
{
x = LCD_WIDTH-(CARD_WIDTH*4+4+MARGIN)+CARD_WIDTH*j+j+1;
fp_y = MARGIN<<16;
#if LCD_WIDTH > 200
vx = rb->rand() % (4*BC_MXSPEED/3-2) - BC_MXSPEED;
if( vx >= -1 )
vx += 3;
#else
vx = rb->rand() % (4*BC_MXSPEED/3) - BC_MXSPEED;
if( vx >= 0 )
vx++;
#endif
fp_vy = -rb->rand() % BC_MYSPEED;
while( x < LCD_WIDTH && x + CARD_WIDTH > 0 )
{
fp_vy += BC_ACCEL;
x += vx;
fp_y += fp_vy;
if( fp_y >= (LCD_HEIGHT-CARD_HEIGHT) << 16 )
{
fp_vy = -fp_vy*4/5;
fp_y = (LCD_HEIGHT-CARD_HEIGHT) << 16;
}
y = fp_y >> 16;
draw_card( &deck[j*CARDS_PER_SUIT+i], x, y,
false, false );
rb->lcd_update_rect( x<0?0:x, y<0?0:y,
CARD_WIDTH, CARD_HEIGHT );
button = rb->button_get_w_tmo( 2 );
if( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
return SOLITAIRE_USB;
if( button == SOL_QUIT || button == SOL_MOVE )
return SOLITAIRE_WIN;
}
}
}
return SOLITAIRE_WIN;
}
/**
* The main game loop
*/
int solitaire( void )
{
int i,j;
int button, lastbutton = 0;
int c,h,prevcard;
int biggest_col_length;
rb->srand( *rb->current_tick );
switch( solitaire_menu(false) )
{
case MENU_QUIT:
return SOLITAIRE_QUIT;
case MENU_USB:
return SOLITAIRE_USB;
}
solitaire_init();
while( true )
{
#if LCD_DEPTH>1
rb->lcd_set_background(BACKGROUND_COLOR);
#endif
rb->lcd_clear_display();
#if LCD_DEPTH > 1
rb->lcd_set_foreground(LCD_BLACK);
#endif
/* get the biggest column length so that display can be "optimized" */
biggest_col_length = 0;
for(i=0;i<COL_NUM;i++)
{
j = 0;
c = cols[i];
if( c != NOT_A_CARD )
{
while( true )
{
/* don't include the last card in the column length. */
if( deck[c].next == NOT_A_CARD )
{
break; /* no successor: get outta here. */
}
else
{
if( deck[c].known )
j += 2;
else
j++;
}
c = deck[c].next;
}
/* make column distinguishable from an empty column,
* and avoid division by zero while displaying */
if( j == 0 )
j = 1;
}
if( j > biggest_col_length )
biggest_col_length = j;
}
/* check if there are cards remaining in the game. */
/* if there aren't any, that means you won :) */
if( biggest_col_length == 0 && rem == NOT_A_CARD )
{
rb->splash( HZ, true, "You Won :)" );
return bouncing_cards();
}
/* draw the columns */
for( i = 0; i < COL_NUM; i++ )
{
c = cols[i];
j = CARD_START;
while( true )
{
if( c == NOT_A_CARD )
{
/* draw the cursor on empty columns */
if( cur_col == i )
{
draw_cursor( MARGIN + i * (CARD_WIDTH
+(LCD_WIDTH-COL_NUM*CARD_WIDTH-2*MARGIN)/(COL_NUM-1)),
j );
}
break;
}
draw_card( &deck[c], MARGIN + i * (CARD_WIDTH
+(LCD_WIDTH-COL_NUM*CARD_WIDTH-2*MARGIN)/(COL_NUM-1)),
j, c == sel_card, c == cur_card );
h = c;
c = deck[c].next;
if( c == NOT_A_CARD ) break;
/* This is where we change the spacing between cards so that
* they don't overflow out of the LCD */
if( h == cur_card )
j += SYMBOL_HEIGHT;
else if( deck[h].known )
j += min( SYMBOL_HEIGHT,
2 * (LCD_HEIGHT - CARD_START - CARD_HEIGHT - MARGIN)
/ biggest_col_length );
else
j += min( SYMBOL_HEIGHT / 2,
(LCD_HEIGHT - CARD_START - CARD_HEIGHT - MARGIN)
/ biggest_col_length );
}
}
/* draw the stacks */
for( i=0; i<SUITS; i++ )
{
c = find_last_card( STACKS_COL + i );
if( c != NOT_A_CARD )
{
draw_card( &deck[c],
LCD_WIDTH-(CARD_WIDTH*4+4+MARGIN)+CARD_WIDTH*i+i+1,
MARGIN,
c == sel_card, cur_col == STACKS_COL + i );
}
else
{
draw_empty_stack( i,
LCD_WIDTH-(CARD_WIDTH*4+4+MARGIN)+CARD_WIDTH*i+i+1,
MARGIN, cur_col == STACKS_COL + i );
}
}
/* draw the remains */
if( rem != NOT_A_CARD &&
( cur_rem == NOT_A_CARD || deck[cur_rem].next != NOT_A_CARD ) )
{
/* gruik ! (we want to display a card back) */
deck[rem].known = false;
draw_card( &deck[rem], MARGIN, MARGIN, false, false );
deck[rem].known = true;
}
if( rem != NOT_A_CARD && cur_rem != NOT_A_CARD )
{
if( count_rem < 0 )
{
prevcard = rem;
count_rem = 0;
while( prevcard != cur_rem && count_rem < cards_per_draw-1 )
{
prevcard = deck[prevcard].next;
count_rem++;
}
}
prevcard = cur_rem;
j = CARD_WIDTH+2*MARGIN+1;
for( i = 0; i < count_rem; i++ )
prevcard = find_prev_card(prevcard);
for( i = 0; i <= count_rem; i++ )
{
draw_card( &deck[prevcard], j,
MARGIN, sel_card == prevcard,
cur_card == prevcard );
prevcard = deck[prevcard].next;
j += CARD_WIDTH/2;
}
}
if( ( cur_rem == NOT_A_CARD || rem == NOT_A_CARD )
&& cur_col == REM_COL )
{
draw_cursor( CARD_WIDTH+2*MARGIN+1, MARGIN );
}
rb->lcd_update();
/* what to do when a key is pressed ... */
button = rb->button_get( true );
switch( button )
{
/* move cursor to the last card of the previous column
* or to the previous final stack
* or to the remains stack */
case SOL_RIGHT:
#ifdef SOL_RIGHT_PRE
if( lastbutton != SOL_RIGHT_PRE )
break;
#endif
if( cur_col >= COL_NUM )
{
cur_col = 0;
}
else if( cur_col == COL_NUM - 1 )
{
cur_col = REM_COL;
}
else
{
cur_col = (cur_col+1)%(REM_COL+1);
}
if(cur_col == REM_COL)
{
cur_card = cur_rem;
break;
}
cur_card = find_last_card( cur_col );
break;
/* move cursor to the last card of the next column
* or to the next final stack
* or to the remains stack */
case SOL_LEFT:
#ifdef SOL_LEFT_PRE
if( lastbutton != SOL_LEFT_PRE )
break;
#endif
if( cur_col == 0 )
{
cur_col = REM_COL;
}
else if( cur_col >= COL_NUM )
{
cur_col = COL_NUM - 1;
}
else
{
cur_col = (cur_col + REM_COL)%(REM_COL+1);
}
if( cur_col == REM_COL )
{
cur_card = cur_rem;
break;
}
cur_card = find_last_card( cur_col );
break;
/* move cursor to card that's bellow */
case SOL_DOWN:
#ifdef SOL_DOWN_PRE
if( lastbutton != SOL_DOWN_PRE )
break;
#else
case SOL_DOWN|BUTTON_REPEAT:
#endif
if( cur_col >= COL_NUM )
{
cur_col = (cur_col - COL_NUM + 1)%(SUITS + 1) + COL_NUM;
if( cur_col == REM_COL )
{
cur_card = cur_rem;
}
else
{
cur_card = find_last_card( cur_col );
}
break;
}
if( cur_card == NOT_A_CARD ) break;
if( deck[cur_card].next != NOT_A_CARD )
{
cur_card = deck[cur_card].next;
}
else
{
cur_card = cols[cur_col];
while( !deck[ cur_card].known
&& deck[cur_card].next != NOT_A_CARD )
{
cur_card = deck[cur_card].next;
}
}
break;
/* move cursor to card that's above */
case SOL_UP:
#ifdef SOL_UP_PRE
if( lastbutton != SOL_UP_PRE )
break;
#else
case SOL_UP|BUTTON_REPEAT:
#endif
if( cur_col >= COL_NUM )
{
cur_col = (cur_col - COL_NUM + SUITS)%(SUITS + 1) + COL_NUM;
if( cur_col == REM_COL )
{
cur_card = cur_rem;
}
else
{
cur_card = find_last_card( cur_col );
}
break;
}
if( cur_card == NOT_A_CARD ) break;
do {
cur_card = find_prev_card( cur_card );
if( cur_card == NOT_A_CARD )
{
cur_card = find_last_card( cur_col );
}
} while( deck[cur_card].next != NOT_A_CARD
&& !deck[cur_card].known );
break;
/* Try to put card under cursor on one of the stacks */
case SOL_CUR2STACK:
#ifdef SOL_CUR2STACK_PRE
if( lastbutton != SOL_CUR2STACK_PRE )
break;
#endif
move_card( deck[cur_card].suit + STACKS_COL, cur_card );
break;
/* Move cards arround, Uncover cards, ... */
case SOL_MOVE:
#ifdef SOL_MOVE_PRE
if( lastbutton != SOL_MOVE_PRE )
break;
#endif
if( sel_card == NOT_A_CARD )
{
if( cur_card != NOT_A_CARD )
{
if( deck[cur_card].next == NOT_A_CARD
&& !deck[cur_card].known )
{
/* reveal a hidden card */
deck[cur_card].known = true;
}
else if( cur_col == REM_COL && cur_rem == NOT_A_CARD )
{
break;
}
else
{
/* select a card */
sel_card = cur_card;
}
}
}
else if( sel_card == cur_card )
{
/* unselect card or try putting card on
* one of the 4 stacks */
if( move_card( deck[sel_card].suit + COL_NUM, sel_card )
== MOVE_OK && cur_col == REM_COL )
{
cur_card = cur_rem;
}
sel_card = NOT_A_CARD;
}
else
{
/* try moving cards */
move_card( cur_col, sel_card );
}
break;
/* If the card on the top of the remains can be put where
* the cursor is, go ahead */
case SOL_REM2CUR:
#ifdef SOL_REM2CUR_PRE
if( lastbutton != SOL_REM2CUR_PRE )
break;
#endif
move_card( cur_col, cur_rem );
break;
/* If the card on top of the remains can be put on one
* of the stacks, do so */
case SOL_REM2STACK:
#ifdef SOL_REM2STACK_PRE
if( lastbutton != SOL_REM2STACK_PRE )
break;
#endif
move_card( deck[cur_rem].suit + COL_NUM, cur_rem );
break;
#ifdef SOL_REM
case SOL_REM:
if( sel_card != NOT_A_CARD )
{
/* unselect selected card */
sel_card = NOT_A_CARD;
break;
}
if( rem != NOT_A_CARD && cur_rem != NOT_A_CARD )
{
sel_card = cur_rem;
break;
}
break;
#endif
/* unselect selected card or ...
* draw new cards from the remains of the deck */
case SOL_DRAW:
#ifdef SOL_DRAW_PRE
if( lastbutton != SOL_DRAW_PRE )
break;
#endif
if( sel_card != NOT_A_CARD )
{
/* unselect selected card */
sel_card = NOT_A_CARD;
break;
}
if( rem != NOT_A_CARD )
{
int cur_rem_old = cur_rem;
count_rem = -1;
/* draw new cards form the remains of the deck */
if( cur_rem == NOT_A_CARD )
{
/*if the cursor card is null*/
cur_rem = rem;
i = cards_per_draw - 1;
count_rem++;
}
else
{
i = cards_per_draw;
}
while( i > 0 && deck[cur_rem].next != NOT_A_CARD )
{
cur_rem = deck[cur_rem].next;
i--;
count_rem++;
}
/* test if any cards are really left on
* the remains' stack */
if( i == cards_per_draw )
{
cur_rem = NOT_A_CARD;
count_rem = -1;
}
/* if cursor was on remains' stack when new cards were
* drawn, put cursor on top of remains' stack */
if( cur_col == REM_COL && cur_card == cur_rem_old )
{
cur_card = cur_rem;
sel_card = NOT_A_CARD;
}
}
break;
/* Show the menu */
#ifdef SOL_RC_QUIT
case SOL_RC_QUIT:
#endif
case SOL_QUIT:
switch( solitaire_menu(true) )
{
case MENU_QUIT:
return SOLITAIRE_QUIT;
case MENU_USB:
return SOLITAIRE_USB;
}
break;
default:
if( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
return SOLITAIRE_USB;
break;
}
if( button != BUTTON_NONE )
lastbutton = button;
/* fix incoherences concerning cur_col and cur_card */
c = find_card_col( cur_card );
if( c != NOT_A_COL && c != cur_col )
cur_card = find_last_card( cur_col );
if( cur_card == NOT_A_CARD
&& find_last_card( cur_col ) != NOT_A_CARD )
cur_card = find_last_card( cur_col );
}
}
/**
* Plugin entry point
*/
enum plugin_status plugin_start( struct plugin_api* api, void* parameter )
{
int result;
/* plugin init */
(void)parameter;
rb = api;
rb->splash( HZ, true, "Welcome to Solitaire!" );
configfile_init(rb);
configfile_load(CONFIG_FILENAME, config, 1, 0);
draw_type = draw_type_disk;
init_help();
/* play the game :)
* Keep playing if a game was won (that means display the menu after
* winning instead of quiting) */
while( ( result = solitaire() ) == SOLITAIRE_WIN );
if (draw_type != draw_type_disk)
{
draw_type_disk = draw_type;
configfile_save(CONFIG_FILENAME, config, 1, 0);
}
/* Exit the plugin */
return ( result == SOLITAIRE_USB ) ? PLUGIN_USB_CONNECTED : PLUGIN_OK;
}
#endif
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