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[mirrors/Programs.git] / java / piskvorky.java
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1import java.io.*;
2import java.util.*;
3import java.text.*;
4
5/**
6 * trida reprezentujici pole na hrani piskvorek
7 * @author Honza
8 */
9class PiskvorciPole {
10 public int size;
11 public char pole[][];
12 public char prazdno='_';
13 private int x, y;
14 public boolean kriz = true;
15
16 PiskvorciPole(int s) { //konstruktor
17 size = s;
18 pole = new char[size][size];
19 for(x=0;x<size;x++) {
20 for(y=0;y<size;y++) {
21 pole[x][y]=prazdno;
22 }
23 }
24 }
25
26 PiskvorciPole() { //pretizeni konstruktoru (pouzije se, pokud neni zadana velikost)
27 this(10);
28 }
29
30 public String toString() {
31 char ascii = 'a';
32
33 String out = new String("\n \t|");
34 for(char c=ascii;c<size+ascii;c++) out += (c+"|");
35 out += "\n\n";
36 for(x=0;x<size;x++) {
37 out += (x+":\t|");
38 for(y=0;y<size;y++) {
39 out += pole[x][y]+"|";
40 }
41 out += "\n";
42 }
43
44 return out;
45 }
46
47 /*
48 public void vykresli() { // udelat to metodou toString jinak je to chyba....
49 System.out.print(this);
50 }
51 */
52
53 public void vykresliDoSouboru(String outputfile) {
54 double x, y;
55 FileOutputStream out;
56 PrintStream p;
57
58
59 try {
60 out = new FileOutputStream(outputfile, true); //true znamena, ze se bude vzdy pridavat na konec souboru
61 p = new PrintStream(out);
62 p.println(new SimpleDateFormat("dd-MM-yyyy HH:mm:ss").format(new Date()));
63 p.println(this);
64 p.close();
65 } catch(Exception e) {
66 System.err.println("Error writing to file");
67 }
68 }
69
70
71 public void hrat() {
72 char hrac;
73 boolean chyba = false;
74 Scanner sc = new Scanner(System.in);
75 while(true) {
76 System.out.println(this);
77 vykresliDoSouboru("piskvorky.txt");
78 kriz = !kriz;
79 hrac = 'O'; if(kriz) hrac = 'X';
80 System.out.println("Hraje hrac s "+hrac);
81
82 System.out.print("pismeno: ");
83 y=(int)(sc.next().charAt(0)-'a');
84
85 try {
86 System.out.print("cisilko: ");
87 x=sc.nextInt();
88 } catch(Exception e) {
89 chyba = true;
90 }
91
92 if(chyba || x < 0 || x >= size || y < 0 || y >= size || pole[x][y] != prazdno) {
93 chyba = false;
94 System.out.println("\t\t\tneplatne pole!");
95 kriz = !kriz; continue; //dalsi pokus
96 }
97 pole[x][y]=hrac;
98 }
99
100 }
101}
102
103/**
104 * trida demonstrujici pouziti tridy PiskvorciPole
105 * @author Honza
106 */
107public class piskvorky {
108 public static void main (String argv[]) {
109 System.out.println("\t\t===> PISKVORKY <===");
110 System.out.println("\tHru lze prerusit stisknutim ctrl+c, nebo pres netbeans.");
111 PiskvorciPole pp = new PiskvorciPole(20); //vytvorime nove pole 20x20
112 pp.hrat(); //spustime hru
113 }
114}
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