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pull out input parsing

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andrew
2022-01-10 19:38:23 +00:00
parent 420597dbcf
commit c074beaf42
1 changed files with 4 additions and 34 deletions
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38
09_Battle/java/Battle.java
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@@ -1,5 +1,3 @@
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException; import java.io.IOException;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
@@ -79,43 +77,15 @@ public class Battle {
int lost = 0; int lost = 0;
System.out.println("Start game"); System.out.println("Start game");
Input input = new Input(seaSize);
try { try {
BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
NumberFormat parser = NumberFormat.getIntegerInstance();
while (lost < ships.size()) { while (lost < ships.size()) {
System.out.print("\nTarget x,y\n> "); if (! input.readCoordinates()) {
String inputLine = input.readLine();
if (inputLine == null) {
System.out.println("Game quit\n");
return; return;
} }
String[] coords = inputLine.split(",");
if (coords.length != 2) {
System.out.println("Need two coordinates separated by ','");
continue;
}
int[] xy = new int[2];
boolean error = false;
try {
for (int c = 0 ; c < 2; ++c ) {
int val = Integer.parseInt(coords[c].strip());
if ((val < 1) || (val > seaSize)) {
System.out.println("Coordinates must be from 1 to " + seaSize);
error = true;
} else {
xy[c] = val;
}
}
}
catch (NumberFormatException ne) {
System.out.println("Coordinates must be numbers");
error = true;
}
if (error) continue;
int row = seaSize - xy[1]; int row = seaSize - input.y();
int col = xy[0] - 1; int col = input.x() - 1;
if (sea.isEmpty(col, row)) { if (sea.isEmpty(col, row)) {
++misses; ++misses;