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#include <GL/gl.h>
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#include <GL/glut.h>
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#include <iostream>
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#include<cstdlib>
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#include <time.h>
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using namespace std;

8
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#define len 8.0

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int a[int(len)][int(len)] = {{0,0,0,0,9,9,0,0},

11-
							 {0,0,0,0,0,0,0,0},

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			     {0,0,0,0,0,0,0,0},

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							 {0,0,0,0,0,0,0,0},

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			     {0,0,0,0,0,0,0,0},

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							 {0,0,9,0,0,0,0,0},

13+
			     {0,0,9,0,0,0,0,0},

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							 {0,9,0,0,0,0,9,9},

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			     {0,9,0,0,0,0,9,9},

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							 {0,0,9,0,0,0,9,0},

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			     {0,0,9,0,0,0,9,0},

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							 {0,0,0,0,0,0,0,9},

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			     {0,0,0,0,0,0,0,9},

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							 {0,0,0,0,0,0,0,9}};

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			     {0,0,0,0,0,0,0,9}};

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char b[int(len)][int(len)];

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int minesnum = 10;

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float step = 1 / len, delta = 0.005;

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void dispPress(int x, int y) {

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	glColor3f(0.95,0.95,0.95);

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	glBegin(GL_TRIANGLES);

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		glVertex3f(y*step+delta,(len-x)*step-delta,0);

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		glVertex3f((y+1)*step-delta,(len-x)*step-delta,0);

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		glVertex3f((y+1)*step-delta,(len-x-1)*step+delta,0);

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	glEnd();

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	glColor3f(0.9,0.9,0.9);

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	glBegin(GL_TRIANGLES);

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		glVertex3f((y+1)*step-delta,(len-x-1)*step+delta,0);

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		glVertex3f(y*step+delta,(len-x-1)*step+delta,0);

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		glVertex3f(y*step+delta,(len-x)*step-delta,0);

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	glEnd();

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	glFlush();

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}

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void dispBlank(int x, int y) {

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	glColor3f(0.75,0.75,0.75);

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	glBegin(GL_POLYGON);

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		glVertex3f(y*step+delta,(len-x)*step-delta,0);

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		glVertex3f((y+1)*step-delta,(len-x)*step-delta,0);

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		glVertex3f((y+1)*step-delta,(len-x-1)*step+delta,0);

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		glVertex3f(y*step+delta,(len-x-1)*step+delta,0);

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	glEnd();	

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}

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void dispLeft(int x, int y) {

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	int sum = 0;

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	if(x-1 >= 0)

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		sum += a[x-1][y];

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	if(x+1 < len)

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		sum += a[x+1][y];

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	if(y-1 >= 0)

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		sum += a[x][y-1];

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	if(y+1 < len)

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		sum += a[x][y+1];

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	if(x-1 >= 0 && y+1 < len)

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		sum += a[x-1][y+1];

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	if(x+1 < len && y+1 < len)

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		sum += a[x+1][y+1];

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	if(x-1 >= 0 && y-1 >= 0)

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		sum += a[x-1][y-1];

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	if(x+1 < len && y-1 >= 0)

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		sum += a[x+1][y-1];

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	int num = sum / 9;

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	b[x][y] = 48 + num;

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	if(num==9) {

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		glColor3f(0,0,0.5);

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		glBegin(GL_POLYGON);

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			glVertex3f(y*step,(len-x)*step,0);

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			glVertex3f((y+1)*step,(len-x)*step,0);

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			glVertex3f((y+1)*step,(len-x-1)*step,0);

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			glVertex3f(y*step,(len-x-1)*step,0);

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		glEnd();

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	}

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	switch(num) {

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		case 0:

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			dispBlank(x, y);

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			break;

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		case 1:

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			glColor3f(0,0,1);

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			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

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				glVertex3f(y*step,(len-x-1)*step,0);

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			glEnd();

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			break;

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		case 2:

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			glColor3f(0,1,0);

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			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

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				glVertex3f(y*step,(len-x-1)*step,0);

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			glEnd();

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			break;

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		case 3:

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			glColor3f(0,1,1);

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			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

120
				glVertex3f(y*step,(len-x-1)*step,0);

121
			glEnd();

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			break;

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		case 4:

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			glColor3f(1,0,0);

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			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

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				glVertex3f(y*step,(len-x-1)*step,0);

130
			glEnd();

131
			break;

132
		case 5:

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			glColor3f(1,0,1);

134
			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

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				glVertex3f(y*step,(len-x-1)*step,0);

139
			glEnd();

140
			break;

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		case 6:

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			glColor3f(1,1,0);

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			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

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				glVertex3f(y*step,(len-x-1)*step,0);

148
			glEnd();

149
			break;

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		case 7:

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			glColor3f(1,1,1);

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			glBegin(GL_POLYGON);

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				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

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				glVertex3f(y*step,(len-x-1)*step,0);

157
			glEnd();

158
			break;

159
		case 8:

160
			glColor3f(0.5,0.5,0.5);

161
			glBegin(GL_POLYGON);

162
				glVertex3f(y*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x)*step,0);

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				glVertex3f((y+1)*step,(len-x-1)*step,0);

165
				glVertex3f(y*step,(len-x-1)*step,0);

166
			glEnd();

167
			break;

168
	}

169
	

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	if(num==0) {

171
		if(x-1 >= 0 && (b[x-1][y] == '*' || b[x-1][y] == '9'))

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			dispLeft(x-1,y);

173
174
		if(x+1 < len && (b[x+1][y] == '*' || b[x+1][y] == '9'))

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			dispLeft(x+1,y);

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		if(y-1 >= 0  && (b[x][y-1] == '*' || b[x][y-1] == '9'))

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			dispLeft(x,y-1);

179
180
		if(y+1 < len && (b[x][y+1] == '*' || b[x][y+1] == '9'))

181
			dispLeft(x,y+1);

182
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		if(x-1 >= 0 && y+1 < len && (b[x-1][y+1] == '*' || b[x-1][y+1] == '9'))

184
			dispLeft(x-1,y+1);

185
186
		if(x+1 < len && y+1 < len && (b[x+1][y+1] == '*' || b[x+1][y+1] == '9'))

187
			dispLeft(x+1,y+1);

188
189
		if(x-1 >= 0 && y-1 >= 0 && (b[x-1][y-1] == '*' || b[x-1][y-1] == '9'))

190
			dispLeft(x-1,y-1);

191
192
		if(x+1 < len && y-1 >= 0 && (b[x+1][y-1] == '*' || b[x+1][y-1] == '9'))

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			dispLeft(x+1,y-1);

194
	}

195
	

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	glFlush();

197
}

198
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void display() {

200
	glClear (GL_COLOR_BUFFER_BIT);

201
202
	glColor3f (0.0, 0.0, 0.0);

203
	glLineWidth (3);

204
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	float i;

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	for(i = step; i< 1; i+=step) {

207
		glBegin(GL_LINES);

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			glVertex3f(i,0,0);

209
			glVertex3f(i,1.0,0);

210
		glEnd();

211
		glBegin(GL_LINES);

212
			glVertex3f(0,i,0);

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			glVertex3f(1.0,i,0);

214
		glEnd();

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	}

216
	

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	glFlush ();

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}

219
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void onMouse(int button, int state, int x, int y) {

221
	x = x / (500 / len);

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	y = y / (500 / len);

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//	cout<<y<<"\t"<<x;

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	if(button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)

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		dispPress(y,x);

227
	

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	if(button == GLUT_LEFT_BUTTON && state == GLUT_UP)

229
		dispLeft(y,x);

230
}

231
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void reshape (int width, int height) {

233
	glViewport(0, 0, width, height);

234
	glMatrixMode(GL_PROJECTION);

235
	glLoadIdentity();

236
	glOrtho(0, width, 0, height, -1.0, 1.0);

237
	

238
	glFlush();

239
}

240
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void init (void) {

242
/*  select clearing (background) color       */

243
    glClearColor (1.0, 1.0, 1.0, 0.0);

244
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/*  initialize viewing values  */

246
    glMatrixMode(GL_PROJECTION);

247
    glLoadIdentity();

248
    glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);

249
}

250
251
int main(int argc, char** argv) {

252
	glutInit(&argc, argv);

253
	glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);

254
	glutInitWindowSize (500, 500);

255
	glutInitWindowPosition (400, 300);

256
	glutCreateWindow ("MineSweeper");

257
	init ();

258
	

259
//	srand(time(NULL));

260
	int i,j,x,y;

261
	

262
	for (i = 0;i<len;i++)

263
		for(j=0;j<len;j++)

264
			b[i][j]='*';

265
		

266
/*	for (i =0 ;i<minesnum;i++) {

267
		ranst:

268
		x = rand()%8;

269
		y = rand()%8;

270
		if(a[x][y] != 9)

271
			a[x][y] = 9;

272
		else

273
			goto ranst;

274
	}

275
	*/

276
	

277
	glutDisplayFunc(display);

278
//	glutReshapeFunc(reshape);

279
//	display();

280
//	dispLeft(6,6);

281
//	reshape();

282
	glutMouseFunc(onMouse);

283
	glutMainLoop();

284
	return 0;

285
}
        

    


            


                                


        

            



                
    

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