ファイルからデータを取り込んで迷路ゲームを作るプログラムを作っています。maze.txt ファイルの例は次のようになります。
5 5
P.XX.
...X.
.XT..
..X..
X....
上の 2 つの数値は、配列の行と列を定義します。これが私が使用しているコードです
import java.util.*;
import java.io.*;
public class MazeGame {
public static void main(String[] args) throws Exception {
// Display the maze
Scanner sc = new Scanner(new File("maze.txt"));
int rows1 = sc.nextInt();
int columns1 = sc.nextInt();
rows1 += 1;
columns1 += 1;
BufferedReader in = new BufferedReader(new FileReader("maze.txt"));
char[][] treasureMaze = new char[rows1][columns1];
for (int i = 0; i < rows1 || i < columns1; ++i) {
String line = in.readLine();
if (line == null) {
System.out.println("Error in array");
return;
}
sc.nextLine();
treasureMaze[i] = line.toCharArray();
}
display(treasureMaze);
int vertical = 0;
int horizontal = 0;
// Give Move Options
options();
// Setup a while loop that continues until
// the user has gotten to the treasure, or 'P'
while (treasureMaze[vertical][horizontal] != 'T') {
// Get Users Decision
Scanner moveChoice = new Scanner(System.in);
int choice = moveChoice.nextInt();
if (choice == 1) {
System.out.println("You chose to Move up");
} else if (choice == 2) {
System.out.println("You chose to Move down");
} else if (choice == 3) {
System.out.println("You chose to Move left");
} else if (choice == 4) {
System.out.println("you chose to Move right");
} else {
return;
}
// Move the Player: Each choice will move the player
// according to their choice and then re-display the
// map and options so that they can move through the maze
// Move Up
if (choice == 1) {
if (vertical - 1 < 0) {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
} else if (treasureMaze[vertical - 1][horizontal] == '.') {
treasureMaze[vertical - 1][horizontal] = 'P';
treasureMaze[vertical][horizontal] = '.';
vertical -= 1;
display(treasureMaze);
options();
} else if (treasureMaze[vertical - 1][horizontal] == 'T') {
System.out.println("\nCongratulations you won!");
treasureMaze[vertical][horizontal] = 'T';
} else {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
}
}
// Move Down
else if (choice == 2) {
if (vertical + 1 < 0) {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
} else if (treasureMaze[vertical + 1][horizontal] == '.') {
treasureMaze[vertical + 1][horizontal] = 'P';
treasureMaze[vertical][horizontal] = '.';
vertical += 1;
display(treasureMaze);
options();
} else if (treasureMaze[vertical + 1][horizontal] == 'T') {
System.out.println("\nCongratulations you won!");
treasureMaze[vertical][horizontal] = 'T';
} else {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
}
}
// Move Left
else if (choice == 3) {
if (horizontal - 1 < 0) {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
} else if (treasureMaze[vertical][horizontal - 1] == '.') {
treasureMaze[vertical][horizontal - 1] = 'P';
treasureMaze[vertical][horizontal] = '.';
horizontal -= 1;
display(treasureMaze);
options();
} else if (treasureMaze[vertical][horizontal - 1] == 'T') {
System.out.println("\nCongratulations you won!");
treasureMaze[vertical][horizontal] = 'T';
} else {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
}
}
// Move Right
else if (choice == 4) {
if (horizontal + 1 < 0) {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
} else if (treasureMaze[vertical][horizontal + 1] == '.') {
treasureMaze[vertical][horizontal + 1] = 'P';
treasureMaze[vertical][horizontal] = '.';
horizontal += 1;
display(treasureMaze);
options();
} else if (treasureMaze[vertical][horizontal + 1] == 'T') {
System.out.println("\nCongratulations you won!");
treasureMaze[vertical][horizontal] = 'T';
} else {
System.out
.println("\nCannot move there! Try something else\n");
display(treasureMaze);
options();
}
} else {
System.out.println("Bye!");
return;
}
}
}
// Display Object: prints out the maze for the user
public static void display(char x[][]) {
for (int row = 0; row < x.length; row++) {
for (int column = 0; column < x[row].length; column++) {
System.out.print(x[row][column] + "\t");
}
System.out.println();
}
}
// Options Object: gives the options menu to the user
static void options() {
System.out.println("You may:");
System.out.println("\t1) Move up");
System.out.println("\t2) Move down");
System.out.println("\t3) Move left");
System.out.println("\t4) Move right");
System.out.println("\t0) Quit");
}
}
プログラムを実行しようとするときは5 5
、最初の実行で を確認してから削除する必要があります。これにより、プログラムの残りの部分を上の数字に遭遇することなく使用できるようになります。これらの数字を無視する方法はありますか?