-
Notifications
You must be signed in to change notification settings - Fork 1
/
MinesweeperBoard.java
246 lines (219 loc) · 8.01 KB
/
MinesweeperBoard.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
package minesweeper;
import java.util.Arrays;
import java.util.Scanner;
import java.util.concurrent.ThreadLocalRandom;
public class MinesweeperBoard {
private Scanner scanner = new Scanner(System.in);
private int numberOfMines = 0;
private Cell[][] field = new Cell[9][9];
public MinesweeperBoard() {
for (int i = 0; i < field.length; i++) {
for (int j = 0; j < field[0].length; j++) {
field[i][j] = new Cell(false, false);
}
}
System.out.print("How many mines do you want on the field? ");
numberOfMines = scanner.nextInt();
int setUpMines = 0;
while (setUpMines < numberOfMines) {
int x = ThreadLocalRandom.current().nextInt(0, field.length);
int y = ThreadLocalRandom.current().nextInt(0, field[0].length);
if (!(field[x][y].hasMine())) {
field[x][y].setMine();
setUpMines++;
}
}
}
private int getMinesAroundCell(int row, int col) {
int count = 0;
for(int i = row - 1; i <= row + 1; i++) {
for (int j= col - 1; j <= col + 1; j++) {
if(i >= 0 && i < field.length && j >= 0 && j < field[0].length) {
if(field[i][j].hasMine()) {
count++;
}
}
}
}
return count;
}
private char[][] getPrintedBoard() {
char[][] result = new char[field.length][field[0].length];
for (int i = 0; i < field.length; i++) {
for (int j = 0; j < field[0].length; j++) {
if (field[i][j].hasMine()) {
result[i][j] = 'X';
} else {
int count = getMinesAroundCell(i, j);
if (count == 0) {
result[i][j] = '.';
} else {
result[i][j] = Character.forDigit(count, 10);
}
}
}
}
return result;
}
public void printBoard() {
System.out.print(" │");
for (int i = 0; i < field.length; i++) {
System.out.print(i + 1);
}
System.out.print("│\n—│");
for (int i = 0; i < field.length; i++) {
System.out.print("—");
}
System.out.println("│");
for (int i = 0; i < field.length; i++) {
System.out.print(i + 1);
System.out.print("│");
for (int j = 0; j < field[0].length; j++) {
if (field[i][j].hasMine()) {
System.out.print("X");
} else if (field[i][j].isOpened()) {
int count = getMinesAroundCell(i, j);
if (count == 0) {
System.out.print("/");
} else {
System.out.print(count);
}
} else {
System.out.print(".");
}
}
System.out.println("│");
}
System.out.print("—│");
for (int i = 0; i < field.length; i++) {
System.out.print("—");
}
System.out.print("|\n\n");
}
public void printBoardWithNumbers() {
System.out.print(" │");
for (int i = 0; i < field.length; i++) {
System.out.print(i + 1);
}
System.out.print("│\n—│");
for (int i = 0; i < field.length; i++) {
System.out.print("—");
}
System.out.println("│");
for (int i = 0; i < field.length; i++) {
System.out.print(i + 1);
System.out.print("│");
for (int j = 0; j < field[0].length; j++) {
if (field[i][j].isFlagged()) {
System.out.print("*");
} else if (field[i][j].hasMine()) {
System.out.print(".");
} else if (field[i][j].isOpened()) {
int count = getMinesAroundCell(i, j);
if (count == 0) {
System.out.print("/");
} else {
System.out.print(count);
}
} else {
System.out.print(".");
}
}
System.out.println("│");
}
System.out.print("—│");
for (int i = 0; i < field.length; i++) {
System.out.print("—");
}
System.out.print("|\n\n");
}
public boolean checkVictory() {
boolean isFirst = true;
boolean isSecond = true;
for (int i = 0; i < field.length; i++) {
for (int j = 0; j < field[0].length; j++) {
if (field[i][j].hasMine() && !field[i][j].isFlagged()) {
isFirst = false;
} else if (!field[i][j].hasMine() && field[i][j].isFlagged()) {
isFirst = false;
}
}
}
for (int i = 0; i < field.length; i++) {
for (int j = 0; j < field[0].length; j++) {
if (!field[i][j].isOpened() && !field[i][j].hasMine()) {
isSecond = false;
}
}
}
return isFirst | isSecond;
}
private void openCell(int row, int col) {
if (getMinesAroundCell(row, col) == 0) {
field[row][col].setOpened();
for(int i = row - 1; i <= row + 1; i++) {
for (int j= col - 1; j <= col + 1; j++) {
if(i >= 0 && i < field.length && j >= 0 && j < field[0].length) {
if (!field[i][j].isOpened()) {
if (field[row][col].isFlagged()) {
field[row][col].setFlagged();
}
if (field[i][j].isFlagged()) {
field[i][j].setFlagged();
}
openCell(i, j);
}
}
}
}
} else {
field[row][col].setOpened();
}
}
public void playGame() {
printBoardWithNumbers();
int row;
int col;
String choice;
while (true) {
System.out.print("Set/delete mines marks (x and y coordinates): ");
col = scanner.nextInt();
row = scanner.nextInt();
choice = scanner.next();
char[][] board = getPrintedBoard();
if (row > field.length || col > field[0].length || col < 1 || row < 1) {
System.out.println("Invalid coordinates!");
continue;
} else if (board[row - 1][col - 1] != 'X' && board[row - 1][col - 1] != '.' ) {
if (!field[row - 1][col - 1].isOpened()) {
break;
} else {
System.out.println("There is a number here!");
continue;
}
}
if (!choice.equals("mine") && !choice.equals("free")) {
System.out.println("Invalid option!");
} else {
break;
}
}
if (choice.equals("mine")) {
field[row - 1][col - 1].setFlagged();
} else {
if (field[row - 1][col - 1].hasMine()) {
printBoard();
System.out.println("You stepped on a mine and failed!");
return;
} else {
openCell(row - 1, col - 1);
}
}
if (checkVictory()) {
printBoardWithNumbers();
System.out.println("Congratulations! You found all mines!");
} else {
playGame();
}
}
}