碁盤の表示 + オセロのbit演算

囲碁の場合はどうしたものか・・・・

サンプル様に作成したもの

#include <iostream>

using namespace std;

typedef unsigned long long uint64;
const uint64 OUTSIDE_BOARD = 0x1FE0C183060FF;
const wchar_t STONES[] = { L'○', L'●' };
const wchar_t BOARDS[] = {
	L'┏', L'┯', L'┓',
	L'┠', L'┼', L'┨',
	L'┗', L'┷', L'┛'
};
const int GETSTONE_LEFT  = 0;
const int GETSTONE_RIGHT = 1;
const int GETSTONE_UP    = 2;
const int GETSTONE_DOWN  = 3;

uint64 getStone(uint64 m, uint64 black, uint64 white, int pattern) {
	uint64 wh = 0;
	uint64 rev = 0;
	uint64 e1, e2, e3, e4, e5;	 //	空白から続く白石列
	uint64 b1, b2, b3, b4, b5;	 //	黒石から続く白石列

	if (pattern == 0) {
		wh = white & 0xF9F3E7CF9F3E;	// 移動の為の番人
		e1 = (m << 1) & wh;
		e2 = (e1 << 1) & wh;
		e3 = (e2 << 1) & wh;
		e4 = (e3 << 1) & wh;
		e5 = (e4 << 1) & wh;
		b1 = (black >> 1) & wh;
		b2 = (b1 >> 1) & wh;
		b3 = (b2 >> 1) & wh;
		b4 = (b3 >> 1) & wh;
		b5 = (b4 >> 1) & wh;
	} else if (pattern == 1) {
		wh = white & 0xF9F3E7CF9F3E;	// 移動の為の番人
		e1 = (m >> 1) & wh;
		e2 = (e1 >> 1) & wh;
		e3 = (e2 >> 1) & wh;
		e4 = (e3 >> 1) & wh;
		e5 = (e4 >> 1) & wh;
		b1 = (black << 1) & wh;
		b2 = (b1 << 1) & wh;
		b3 = (b2 << 1) & wh;
		b4 = (b3 << 1) & wh;
		b5 = (b4 << 1) & wh;
	} else if (pattern == 2) {
		wh = white & 0x3FFFFFFFF80;	// 移動の為の番人
		e1 = (m << 7) & wh;
		e2 = (e1 << 7) & wh;
		e3 = (e2 << 7) & wh;
		e4 = (e3 << 7) & wh;
		e5 = (e4 << 7) & wh;
		b1 = (black >> 7) & wh;
		b2 = (b1 >> 7) & wh;
		b3 = (b2 >> 7) & wh;
		b4 = (b3 >> 7) & wh;
		b5 = (b4 >> 7) & wh;
	} else {
		wh = white & 0x3FFFFFFFF80;	// 移動の為の番人
		e1 = (m >> 7) & wh;
		e2 = (e1 >> 7) & wh;
		e3 = (e2 >> 7) & wh;
		e4 = (e3 >> 7) & wh;
		e5 = (e4 >> 7) & wh;
		b1 = (black << 7) & wh;
		b2 = (b1 << 7) & wh;
		b3 = (b2 << 7) & wh;
		b4 = (b3 << 7) & wh;
		b5 = (b4 << 7) & wh;
	}

	rev |= e5 & b1;
	rev |= e4 & (b1 |= b2);
	rev |= e3 & (b1 |= b3);
	rev |= e2 & (b1 |= b4);
	rev |= e1 & (b1 |= b5);

	return rev;
}

uint64 getStone(uint64 point, uint64 black, uint64 white) {
	uint64 ret = 0;
	ret |= getStone(point, black, white, GETSTONE_LEFT);
	ret |= getStone(point, black, white, GETSTONE_RIGHT);
	ret |= getStone(point, black, white, GETSTONE_UP);
	ret |= getStone(point, black, white, GETSTONE_DOWN);
	return ret;
}

void viewBoard(uint64 black, uint64 white) {
	int bmask = 0;
	int wmask = 0;
	wchar_t board[25];
	
	white >>= 7;
	black >>= 7;
	for (int i = 25; i; i--) {
		if (i % 5 == 0) {
			white >>= 1;
			black >>= 1;
		}

		bmask = black & 1;
		wmask = white & 1;

		if ((bmask ^ wmask) == 0) {
			if (i == 1) {
				board[i-1] = BOARDS[0];
			} else if (1 < i && i < 5) {
				board[i-1] = BOARDS[1];
			} else if (i == 5) {
				board[i-1] = BOARDS[2];
			} else if (i == 21) {
				board[i-1] = BOARDS[6];
			} else if (21 < i && i < 25) {
				board[i-1] = BOARDS[7];
			} else if (i == 25) {
				board[i-1] = BOARDS[8];
			} else if (i % 5 == 1) {
				board[i-1] = BOARDS[3];
			} else if (i % 5 == 0) {
				board[i-1] = BOARDS[5];
			} else {
				board[i-1] = BOARDS[4];
			}
		} else {
			board[i-1] = STONES[(!wmask) | bmask];
		}

		white >>= 1;
		black >>= 1;

		if (i % 5 == 1) {
			white >>= 1;
			black >>= 1;
		}
	}

	for (int i = 0; i < 25; i++) {
		wcout << board[i];

		if (i % 5 == 4) {
			wcout << endl;
		}
	}
	wcout << endl;
}

int main(void)
{
	locale::global(locale("japanese"));

	uint64 point = 0x1000000;
	uint64 black = 0x1F224489F00;
	uint64 white = 0x1C2870000;
	uint64 getstone = 0;
	
	getstone = getStone(point, black | OUTSIDE_BOARD, white);
	viewBoard(black, white);
	viewBoard(black | point, white);
	viewBoard(0, getstone);

	cin.get();

	return 0;
}

実行結果

●●●●●
●○○○●
●○┼○●
●○○○●
●●●●●

●●●●●
●○○○●
●○●○●
●○○○●
●●●●●

┏┯┯┯┓
┠┼○┼┨
┠○┼○┨
┠┼○┼┨
┗┷┷┷┛

参考サイト
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