当日のOHP資料です。
次のファイルを、c:\usr\c\20131018に保存し、「全て展開」する。
オセロ盤を作成してみる
v1
#include <stdio.h>
#define EMPTY '.'
#define WHITE 'o'
#define BLACK '*'
#define BOARD_SIZE 8
typedef char BInfo;
typedef struct {
BInfo info[BOARD_SIZE][BOARD_SIZE];
} Board;
int main(int argc, char *argv[] ) {
Board board;
int x;
int y;
for ( y = 0; y < BOARD_SIZE; y++ ) {
for ( x = 0; x < BOARD_SIZE; x++ ) {
board.info[x][y] = EMPTY;
}
}
x = BOARD_SIZE/2;
y = BOARD_SIZE/2;
board.info[x][y] = WHITE;
board.info[x-1][y-1] = WHITE;
board.info[x][y-1] = BLACK;
board.info[x-1][y] = BLACK;
for ( y = 0; y < BOARD_SIZE; y++ ) {
for ( x = 0; x < BOARD_SIZE; x++ ) {
putchar ( board.info[x][y] );
}
putchar ( '\n' );
}
return 0;
}
v2
#include <stdio.h>
#define EMPTY ' '
#define WHITE 'o'
#define BLACK '*'
#define BOARD_SIZE 8
typedef char BInfo;
typedef struct {
BInfo info[BOARD_SIZE][BOARD_SIZE];
} Board;
int main(int argc, char *argv[] ) {
Board board;
int x;
int y;
printf ( "Othello Version 2\n" );
for ( y = 0; y < BOARD_SIZE; y++ ) {
for ( x = 0; x < BOARD_SIZE; x++ ) {
board.info[x][y] = EMPTY;
}
}
x = BOARD_SIZE/2;
y = BOARD_SIZE/2;
board.info[x][y] = WHITE;
board.info[x-1][y-1] = WHITE;
board.info[x][y-1] = BLACK;
board.info[x-1][y] = BLACK;
printf ( " A B C D E F G H\n" );
printf ( " +--+--+--+--+--+--+--+--+\n" );
for ( y = 0; y < BOARD_SIZE; y++ ) {
printf ( "%d|", y+1 );
for ( x = 0; x < BOARD_SIZE; x++ ) {
if ( board.info[x][y] == EMPTY ) {
printf ( " " );
} else if ( board.info[x][y] == BLACK ) {
printf ( "●" );
} else if ( board.info[x][y] == WHITE ) {
printf ( "○" );
}
/* putchar ( board.info[x][y] ); */
putchar ( '|' );
}
putchar ( '\n' );
printf ( " +--+--+--+--+--+--+--+--+\n" );
}
return 0;
}
v3
#include <stdio.h>
#define EMPTY ' '
#define WHITE 'o'
#define BLACK '*'
#define BOARD_SIZE 8
typedef char BInfo;
typedef struct {
BInfo info[BOARD_SIZE][BOARD_SIZE];
} Board;
int main(int argc, char *argv[] ) {
Board board;
int x;
int y;
int color;
printf ( "Othello Version 3\n" );
for ( y = 0; y < BOARD_SIZE; y++ ) {
for ( x = 0; x < BOARD_SIZE; x++ ) {
board.info[x][y] = EMPTY;
}
}
x = BOARD_SIZE/2;
y = BOARD_SIZE/2;
board.info[x][y] = WHITE;
board.info[x-1][y-1] = WHITE;
board.info[x][y-1] = BLACK;
board.info[x-1][y] = BLACK;
while ( 1 == 1 ) {
printf ( "コマを入力してください : \n" );
printf ( "x=" );
scanf ( "%d", &x );
printf ( "y=" );
scanf ( "%d", &y );
printf ( "color(B=0/W=1)=" );
scanf ( "%d", &color );
if ( color == 0 ) {
board.info[x][y] = BLACK;
} else {
board.info[x][y] = WHITE;
}
printf ( " A B C D E F G H\n" );
printf ( " +--+--+--+--+--+--+--+--+\n" );
for ( y = 0; y < BOARD_SIZE; y++ ) {
printf ( "%d|", y+1 );
for ( x = 0; x < BOARD_SIZE; x++ ) {
if ( board.info[x][y] == EMPTY ) {
printf ( " " );
} else if ( board.info[x][y] == BLACK ) {
printf ( "●" );
} else if ( board.info[x][y] == WHITE ) {
printf ( "○" );
}
/* putchar ( board.info[x][y] ); */
putchar ( '|' );
}
putchar ( '\n' );
printf ( " +--+--+--+--+--+--+--+--+\n" );
}
}
return 0;
}
v4
#include <stdio.h>
#define EMPTY ' '
#define WHITE 'o'
#define BLACK '*'
#define YOI 1
#define WARUI 0
#define BOARD_SIZE 8
typedef char BInfo;
typedef struct {
BInfo info[BOARD_SIZE][BOARD_SIZE];
} Board;
int main(int argc, char *argv[] ) {
Board board;
int x;
int y;
int color;
int input_color;
int checkResult; /* うってよいかどうか (１＝よい/0=悪い) */
int xx;
int oc;
printf ( "Othello Version 4\n" );
for ( y = 0; y < BOARD_SIZE; y++ ) {
for ( x = 0; x < BOARD_SIZE; x++ ) {
board.info[x][y] = EMPTY;
}
}
x = BOARD_SIZE/2;
y = BOARD_SIZE/2;
board.info[x][y] = WHITE;
board.info[x-1][y-1] = WHITE;
board.info[x][y-1] = BLACK;
board.info[x-1][y] = BLACK;
while ( 1 == 1 ) { /* 1==1 は常に成立するのでずっと続く */
printf ( "コマを入力してください : \n" );
printf ( "x=" );
scanf ( "%d", &x );
printf ( "y=" );
scanf ( "%d", &y );
printf ( "color(B=0/W=1)=" );
scanf ( "%d", &input_color );
/* 入力(0/1) から、色(BLOCK/WHITE)への変換 */
if ( input_color == 0 ) {
color = BLACK;
} else {
color = WHITE;
}
/* 打った手の右がひっくり返れば OK とする */
checkResult = YOI; /* とりあえず、チェック前なので、正しいとする */
if ( color == WHITE ) {
oc = BLACK;
} else {
oc = WHITE;
}
/* x の正の方向 しかみない */
/* 本当ならば 8 方向をみる必要がある */
/* いきなり8 方向は大変なので、右方向だけやってみた */
if ( x < 0 || BOARD_SIZE <= x ) {
/* 盤外なのでダメ */
checkResult = WARUI;
} else if ( y < 0 || BOARD_SIZE <= y ) {
checkResult = WARUI;
} else if ( board.info[x][y] != EMPTY ) {
/* すでにコマがある */
/* これは打てない */
checkResult = WARUI;
} else if ( BOARD_SIZE - 1 <= x ) {
/* 右端なので、その右はない */
checkResult = WARUI;
} else if ( board.info[x+1][y] != oc ) {
/* 打った右のコマが相手コマでなかった */
/* この場合も右のコマはひっくりかえらない */
checkResult = WARUI;
} else {
xx = x + 2; /* この位置に自分のコマがほしい */
while ( xx < BOARD_SIZE ) {
if ( board.info[xx][y] == color ) {
break; /* ここで while 終了 */
/* はさめたので OK */
} else if ( board.info[xx][y] == EMPTY ) {
checkResult = WARUI;
break;
/* ダメ */
} else if ( board.info[xx][y] == oc ) {
/* さらに次を見るまでワカラナイ*/
xx = xx + 1;
}
}
/*
while を抜けた時点で、
抜けた理由が３通りある
端まできた => checkState を 0(ダメ) にする必要がある
はさめた => checkState を 1(ヨイ) のままで良い
はさめなかった => checkState は 0(ダメ)になっている
*/
if ( xx >= BOARD_SIZE ) { /* 端までしらべた */
checkResult = WARUI; /* はさめなかった */
}
}
/*
指定された指し手が正しい場合だけ、
盤面を変化させる
具体的ははさんだコマはひっくり返す
そうでない（正しくない指して）の場合は、
誤りであることを提示し、再入力させる
*/
if ( checkResult == WARUI ) {
printf ( "そこには打てません\n" );
} else {
int xxx; /* 引っくり返す場所 */
board.info[x][y] = color; /* うった場所 */
xxx = x + 1; /* 引っくり返す場所はその隣りから */
while ( xxx < xx ) { /* xx の直前迄 */
board.info[xxx][y] = color;
/* はさんだコマをひっくり返す */
xxx = xxx + 1; /* 次の場所に進む */
}
}
printf ( " A B C D E F G H\n" );
printf ( " +--+--+--+--+--+--+--+--+\n" );
for ( y = 0; y < BOARD_SIZE; y++ ) {
printf ( "%d|", y+1 );
for ( x = 0; x < BOARD_SIZE; x++ ) {
if ( board.info[x][y] == EMPTY ) {
printf ( " " );
} else if ( board.info[x][y] == BLACK ) {
printf ( "●" );
} else if ( board.info[x][y] == WHITE ) {
printf ( "○" );
}
/* putchar ( board.info[x][y] ); */
putchar ( '|' );
}
putchar ( '\n' );
printf ( " +--+--+--+--+--+--+--+--+\n" );
}
}
return 0;
}
なし