486 lines
12 KiB
C
486 lines
12 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2006 Miguel A. Arévalo
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* Color graphics from eboard
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* GNUChess v2 chess engine Copyright (c) 1988 John Stanback
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "plugin.h"
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#ifdef HAVE_LCD_BITMAP
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#include "gnuchess.h"
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/* type definitions */
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struct cb_command {
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int type;
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char mv_s[5];
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unsigned short mv;
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};
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/* global rockbox api */
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static struct plugin_api* rb;
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/* External bitmaps */
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extern const fb_data chessbox_pieces[];
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PLUGIN_HEADER
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/* button definitions */
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#if (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD)
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#define CB_SELECT BUTTON_SELECT
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#define CB_UP BUTTON_SCROLL_BACK
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#define CB_DOWN BUTTON_SCROLL_FWD
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#define CB_LEFT BUTTON_LEFT
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#define CB_RIGHT BUTTON_RIGHT
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#define CB_PLAY BUTTON_PLAY
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#define CB_LEVEL BUTTON_MENU
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#define CB_QUIT BUTTON_REL
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#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
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#define CB_SELECT BUTTON_MENU
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#define CB_UP BUTTON_UP
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#define CB_DOWN BUTTON_DOWN
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#define CB_LEFT BUTTON_LEFT
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#define CB_RIGHT BUTTON_RIGHT
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#define CB_PLAY BUTTON_PLAY
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#define CB_LEVEL BUTTON_REC
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#define CB_QUIT BUTTON_POWER
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#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
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#define CB_SELECT BUTTON_SELECT
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#define CB_UP BUTTON_UP
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#define CB_DOWN BUTTON_DOWN
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#define CB_LEFT BUTTON_LEFT
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#define CB_RIGHT BUTTON_RIGHT
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#define CB_PLAY BUTTON_ON
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#define CB_LEVEL BUTTON_MODE
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#define CB_QUIT BUTTON_OFF
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#elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
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#define CB_SELECT BUTTON_SELECT
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#define CB_UP BUTTON_UP
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#define CB_DOWN BUTTON_DOWN
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#define CB_LEFT BUTTON_LEFT
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#define CB_RIGHT BUTTON_RIGHT
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#define CB_PLAY BUTTON_PLAY
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#define CB_LEVEL BUTTON_EQ
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#define CB_QUIT BUTTON_MODE
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#elif CONFIG_KEYPAD == RECORDER_PAD
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#define CB_SELECT BUTTON_PLAY
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#define CB_UP BUTTON_UP
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#define CB_DOWN BUTTON_DOWN
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#define CB_LEFT BUTTON_LEFT
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#define CB_RIGHT BUTTON_RIGHT
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#define CB_PLAY BUTTON_ON
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#define CB_LEVEL BUTTON_F1
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#define CB_QUIT BUTTON_OFF
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#elif CONFIG_KEYPAD == ONDIO_PAD
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#define CB_SELECT (BUTTON_MENU|BUTTON_REL)
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#define CB_UP BUTTON_UP
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#define CB_DOWN BUTTON_DOWN
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#define CB_LEFT BUTTON_LEFT
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#define CB_RIGHT BUTTON_RIGHT
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#define CB_PLAY BUTTON_MENU
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#define CB_LEVEL (BUTTON_MENU|BUTTON_OFF)
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#define CB_QUIT BUTTON_OFF
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#else
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#error CHESSBOX: Unsupported keypad
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#endif
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/* use 30x30 tiles */
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#if (LCD_HEIGHT >= 240) && (LCD_WIDTH >= 240)
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#define TILE_WIDTH 30
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#define TILE_HEIGHT 30
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/* use 22x22 tiles */
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#elif (LCD_HEIGHT >= 176) && (LCD_WIDTH >= 176)
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#define TILE_WIDTH 22
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#define TILE_HEIGHT 22
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/* use 16x16 tiles */
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#elif (LCD_HEIGHT >= 128) && (LCD_WIDTH >= 128)
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#define TILE_WIDTH 16
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#define TILE_HEIGHT 16
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/* use 8x8 tiles */
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#elif (LCD_HEIGHT >= 64) && (LCD_WIDTH >= 64)
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#define TILE_WIDTH 8
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#define TILE_HEIGHT 8
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#else
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#error BEJEWELED: Unsupported LCD
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#endif
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/* Calculate Offsets */
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#define XOFS ((LCD_WIDTH-8*TILE_WIDTH)/2)
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#define YOFS ((LCD_HEIGHT-8*TILE_HEIGHT)/2)
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/* commands enum */
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#define COMMAND_MOVE 1
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#define COMMAND_PLAY 2
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#define COMMAND_LEVEL 3
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/*#define COMMAND_RESTART 4*/
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#define COMMAND_QUIT 5
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/* ---- Get the board column and row (e2 f.e.) for a physical x y ---- */
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void xy2cr ( short x, short y, short *c, short *r ) {
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if (computer == black ) {
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*c = x ;
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*r = y ;
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} else {
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*c = 7 - x ;
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*r = 7 - y ;
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}
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}
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/* ---- get physical x y for a board column and row (e2 f.e.) ---- */
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void cr2xy ( short c, short r, short *x, short *y ) {
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if ( computer == black ) {
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*x = c ;
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*y = r ;
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} else {
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*x = 7 - c ;
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*y = 7 - r ;
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}
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}
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/* ---- Draw a complete board ---- */
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static void cb_drawboard (void) {
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short r , c , x , y ;
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short l , piece , p_color ;
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int b_color=1;
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rb->lcd_clear_display();
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for (r = 0; r < 8; r++) {
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for (c = 0; c < 8; c++) {
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l = locn[r][c];
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piece = board[l] ;
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p_color = color[l] ;
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cr2xy ( c , r , &x , &y );
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if ( piece == no_piece ) {
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rb->lcd_bitmap_part ( chessbox_pieces , 0 ,
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TILE_HEIGHT * b_color ,
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TILE_WIDTH ,
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XOFS + x*TILE_WIDTH ,
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YOFS + ( 7 - y )*TILE_HEIGHT ,
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TILE_WIDTH ,
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TILE_HEIGHT );
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} else {
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rb->lcd_bitmap_part ( chessbox_pieces ,
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0 ,
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2 * TILE_HEIGHT +
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4 * TILE_HEIGHT * ( piece - 1 ) +
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2 * TILE_HEIGHT * p_color +
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TILE_HEIGHT * b_color ,
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TILE_WIDTH ,
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XOFS + x*TILE_WIDTH ,
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YOFS + (7 - y)*TILE_HEIGHT ,
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TILE_WIDTH ,
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TILE_HEIGHT );
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}
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b_color = (b_color == 1) ? 0 : 1 ;
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}
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b_color = (b_color == 1) ? 0 : 1 ;
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}
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/* draw board limits */
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if ( LCD_WIDTH > TILE_WIDTH*8 ) {
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rb->lcd_set_drawmode ( DRMODE_FG );
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rb->lcd_drawline ( XOFS - 1 , YOFS ,
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XOFS - 1 , YOFS + TILE_HEIGHT*8 );
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rb->lcd_drawline ( XOFS + 8*TILE_WIDTH , YOFS ,
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XOFS + 8*TILE_WIDTH , YOFS + TILE_HEIGHT*8 );
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}
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if ( LCD_HEIGHT > TILE_HEIGHT*8 ) {
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rb->lcd_set_drawmode ( DRMODE_FG );
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rb->lcd_drawline ( XOFS , YOFS - 1 ,
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XOFS + TILE_WIDTH*8 , YOFS - 1 );
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rb->lcd_drawline ( XOFS , YOFS + TILE_HEIGHT*8 ,
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XOFS + 8*TILE_WIDTH , YOFS + TILE_HEIGHT*8 );
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}
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rb->lcd_update();
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}
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/* ---- Switch mark on board ---- */
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void cb_switch ( short x , short y ) {
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rb->lcd_set_drawmode ( DRMODE_COMPLEMENT );
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rb->lcd_drawrect ( XOFS + x*TILE_WIDTH + 1 ,
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YOFS + ( 7 - y )*TILE_HEIGHT +1 ,
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TILE_WIDTH-2 , TILE_HEIGHT-2 );
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rb->lcd_update();
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}
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/* ---- increase playing level ---- */
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void cb_levelup ( void ) {
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Level ++;
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if ( Level == 8 ) Level = 1;
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switch (Level) {
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case 1 :
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TCmoves = 60;
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TCminutes = 5;
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rb->splash ( 50 , true , "Level 1: 60 moves / 5 min" );
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break;
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case 2 :
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TCmoves = 60;
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TCminutes = 15;
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rb->splash ( 50 , true , "Level 2: 60 moves / 15 min" );
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break;
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case 3 :
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TCmoves = 60;
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TCminutes = 30;
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rb->splash ( 50 , true , "Level 3: 60 moves / 30 min" );
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break;
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case 4 :
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TCmoves = 40;
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TCminutes = 30;
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rb->splash ( 50 , true , "Level 4: 40 moves / 30 min" );
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break;
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case 5 :
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TCmoves = 40;
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TCminutes = 60;
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rb->splash ( 50 , true , "Level 5: 40 moves / 60 min" );
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break;
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case 6 :
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TCmoves = 40;
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TCminutes = 120;
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rb->splash ( 50 , true , "Level 6: 40 moves / 120 min" );
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break;
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case 7 :
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TCmoves = 40;
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TCminutes = 240;
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rb->splash ( 50 , true , "Level 7: 40 moves / 240 min" );
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break;
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case 8 :
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TCmoves = 1;
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TCminutes = 15;
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rb->splash ( 50 , true , "Level 8: 1 move / 15 min" );
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break;
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case 9 :
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TCmoves = 1;
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TCminutes = 60;
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rb->splash ( 50 , true , "Level 9: 1 move / 60 min" );
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break;
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case 10 :
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TCmoves = 1;
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TCminutes = 600;
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rb->splash ( 50 , true , "Level 10: 1 move / 600 min" );
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break;
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}
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TCflag = (TCmoves > 1);
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SetTimeControl();
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};
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/* ---- main user loop ---- */
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struct cb_command cb_getcommand (void) {
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static short x = 4 , y = 4 ;
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short c , r , l;
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int button = BUTTON_NONE;
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int marked = false , from_marked = false ;
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short marked_x = 0 , marked_y = 0 ;
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struct cb_command result;
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cb_switch ( x , y );
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/* main loop */
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while ( true ) {
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button = rb->button_get(true);
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switch (button) {
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case CB_QUIT:
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result.type = COMMAND_QUIT;
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return result;
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/* case CB_RESTART:
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result.type = COMMAND_RESTART;
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return result;*/
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case CB_LEVEL:
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result.type = COMMAND_LEVEL;
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return result;
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case CB_PLAY:
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result.type = COMMAND_PLAY;
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return result;
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case CB_UP:
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if ( !from_marked ) cb_switch ( x , y );
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y++;
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if ( y == 8 ) {
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y = 0;
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x--;
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if ( x < 0 ) x = 7;
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}
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if ( marked && ( marked_x == x ) && ( marked_y == y ) ) {
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from_marked = true ;
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} else {
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from_marked = false ;
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cb_switch ( x , y );
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}
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break;
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case CB_DOWN:
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if ( !from_marked ) cb_switch ( x , y );
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y--;
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if ( y < 0 ) {
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y = 7;
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x++;
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if ( x == 8 ) x = 0;
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}
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if ( marked && ( marked_x == x ) && ( marked_y == y ) ) {
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from_marked = true ;
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} else {
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from_marked = false ;
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cb_switch ( x , y );
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}
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break;
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case CB_LEFT:
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if ( !from_marked ) cb_switch ( x , y );
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x--;
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if ( x < 0 ) {
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x = 7;
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y++;
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if ( y == 8 ) y = 0;
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}
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if ( marked && ( marked_x == x ) && ( marked_y == y ) ) {
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from_marked = true ;
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} else {
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from_marked = false ;
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cb_switch ( x , y );
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}
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break;
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case CB_RIGHT:
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if ( !from_marked ) cb_switch ( x , y );
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x++;
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if ( x == 8 ) {
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x = 0;
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y--;
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if ( y < 0 ) y = 7;
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}
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if ( marked && ( marked_x == x ) && ( marked_y == y ) ) {
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from_marked = true ;
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} else {
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from_marked = false ;
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cb_switch ( x , y );
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}
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break;
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case CB_SELECT:
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if ( !marked ) {
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xy2cr ( x , y , &c , &r );
|
||
|
|
l = locn[r][c];
|
||
|
|
if ( ( color[l]!=computer ) && ( board[l]!=no_piece ) ) {
|
||
|
|
marked = true;
|
||
|
|
from_marked = true ;
|
||
|
|
marked_x = x;
|
||
|
|
marked_y = y;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if ( ( marked_x == x ) && ( marked_y == y ) ) {
|
||
|
|
marked = false;
|
||
|
|
from_marked = false;
|
||
|
|
} else {
|
||
|
|
xy2cr ( marked_x , marked_y , &c , &r );
|
||
|
|
result.mv_s[0] = 'a' + c;
|
||
|
|
result.mv_s[1] = '1' + r;
|
||
|
|
xy2cr ( x , y , &c , &r );
|
||
|
|
result.mv_s[2] = 'a' + c;
|
||
|
|
result.mv_s[3] = '1' + r;
|
||
|
|
result.mv_s[4] = '\00';
|
||
|
|
result.type = COMMAND_MOVE;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
* plugin entry point.
|
||
|
|
******************************************************************************/
|
||
|
|
enum plugin_status plugin_start(struct plugin_api* api, void* parameter) {
|
||
|
|
struct cb_command command;
|
||
|
|
/* init status */
|
||
|
|
bool exit = false;
|
||
|
|
|
||
|
|
/* plugin init */
|
||
|
|
(void)parameter;
|
||
|
|
rb = api;
|
||
|
|
/* end of plugin init */
|
||
|
|
|
||
|
|
/* load opening book, soon */
|
||
|
|
|
||
|
|
/* init board */
|
||
|
|
GNUChess_Initialize();
|
||
|
|
|
||
|
|
/* draw the board */
|
||
|
|
/* I don't like configscreens, start game inmediatly */
|
||
|
|
cb_drawboard();
|
||
|
|
|
||
|
|
while (!exit) {
|
||
|
|
if ( mate ) {
|
||
|
|
rb->splash ( 500 , true , "Checkmate!" );
|
||
|
|
rb->button_get(true);
|
||
|
|
GNUChess_Initialize();
|
||
|
|
cb_drawboard();
|
||
|
|
}
|
||
|
|
command = cb_getcommand ();
|
||
|
|
switch (command.type) {
|
||
|
|
case COMMAND_MOVE:
|
||
|
|
if ( ! VerifyMove ( command.mv_s , 0 , &command.mv ) ) {
|
||
|
|
rb->splash ( 50 , true , "Illegal move!" );
|
||
|
|
cb_drawboard();
|
||
|
|
} else {
|
||
|
|
cb_drawboard();
|
||
|
|
rb->splash ( 0 , true , "Thinking..." );
|
||
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
||
|
|
rb->cpu_boost ( true );
|
||
|
|
#endif
|
||
|
|
SelectMove ( computer , 0 );
|
||
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
||
|
|
rb->cpu_boost ( false );
|
||
|
|
#endif
|
||
|
|
cb_drawboard();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
/* case COMMAND_RESTART:
|
||
|
|
GNUChess_Initialize();
|
||
|
|
cb_drawboard();
|
||
|
|
break;*/
|
||
|
|
case COMMAND_PLAY:
|
||
|
|
opponent = !opponent; computer = !computer;
|
||
|
|
rb->splash ( 0 , true , "Thinking..." );
|
||
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
||
|
|
rb->cpu_boost ( true );
|
||
|
|
#endif
|
||
|
|
SelectMove ( computer , 0 );
|
||
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
||
|
|
rb->cpu_boost ( false );
|
||
|
|
#endif
|
||
|
|
cb_drawboard();
|
||
|
|
break;
|
||
|
|
case COMMAND_LEVEL:
|
||
|
|
cb_levelup ( );
|
||
|
|
cb_drawboard();
|
||
|
|
break;
|
||
|
|
case COMMAND_QUIT:
|
||
|
|
/*cb_saveposition();*/
|
||
|
|
exit = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
rb->lcd_setfont(FONT_UI);
|
||
|
|
return PLUGIN_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* HAVE_LCD_BITMAP */
|