133 lines
3.3 KiB
C++
133 lines
3.3 KiB
C++
#include <iostream>
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#include <iomanip>
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#include <vector>
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#ifdef _WIN32
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#include <windows.h>
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#endif
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using namespace std;
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char spielfeld[3][3];
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struct userInput {
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bool ok;
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int zeile;
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int spalte;
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};
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struct gameState {
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bool running = true;
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char winner;
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int filledCells = 0;
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};
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void render() {
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#ifdef _WIN32
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system("cls");
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#endif
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#ifdef linux
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system("clear");
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#endif
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cout << " | 1 | 2 | 3 |" << endl;
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cout << "---------------" << endl;
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for (int i = 0; i < 3; i++) {
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cout << i+1 << " | ";
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for (int j = 0; j < 3; j++) {
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cout << spielfeld[i][j] << " | ";
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}
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cout << endl;
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cout << "---------------" << endl;
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}
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}
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userInput getUserInput() {
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int inputSpalte, inputZeile;
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cout << "Zeile: ";
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cin >> inputZeile;
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cout << "Spalte: ";
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cin >> inputSpalte;
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cout << endl;
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if (spielfeld[inputZeile-1][inputSpalte-1] == ' ') {
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return {true, inputZeile-1, inputSpalte-1};
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} else {
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cout << endl << "Input konnte nicht gelesen werden" << endl;
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return getUserInput();
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}
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}
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void checkforWin(gameState &state) {
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// TODO: implement a proper efficent check that doesnt end when every tile is filled
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// simplest way would be to check all 8 different solutions. 3 from top to bottom, 3 from left to right and 2 diagonals
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for (int i = 0; i < 3; i++) {
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// left to right
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if (spielfeld[i][0] == spielfeld[i][1] && spielfeld[i][2] == spielfeld[i][1] && spielfeld[i][2] != ' ') {
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state.running = false;
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state.winner = spielfeld[i][1];
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return;
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}
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// top to bottom
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if (spielfeld[0][i] == spielfeld[1][i] && spielfeld[1][i] == spielfeld[2][i] && spielfeld[1][i] != ' ') {
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state.running = false;
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state.winner = spielfeld[1][i];
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return;
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}
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}
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// top left to bottom right
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if (spielfeld[0][0] == spielfeld[1][1] && spielfeld[1][1] == spielfeld[2][2] && spielfeld[2][2] != ' ') {
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state.running = false;
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state.winner = spielfeld[2][2];
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return;
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}
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// top right to bottom left
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if (spielfeld[0][2] == spielfeld[1][1] && spielfeld[1][1] == spielfeld[2][0] && spielfeld[2][0] != ' ') {
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state.running = false;
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state.winner = spielfeld[2][0];
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return;
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}
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//draw
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if (state.filledCells >= 9) {
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state.running = false;
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state.winner = '-';
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return;
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}
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}
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int main() {
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#ifdef _WIN32
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SetConsoleOutputCP(CP_UTF8);
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#endif
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cout << fixed << setprecision(2);
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for (int i = 0; i < 3; i++) {
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for (int j = 0; j < 3; j++) {
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spielfeld[i][j] = ' ';
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}
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}
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gameState state;
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int counter = 1;
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while (state.running) {
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render();
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char current_player = counter++ % 2 == 1 ? 'X' : 'O';
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cout << endl << "Am Zug ist Spieler: " << current_player << endl;
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if (auto [ok, zeile, spalte] = getUserInput(); ok) {
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spielfeld[zeile][spalte] = current_player;
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state.filledCells += 1;
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}
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checkforWin(state);
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}
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render();
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cout << endl << "Der gewinner ist: " << state.winner << endl;
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#ifdef _WIN32
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system("pause");
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#endif
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return 0;
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}
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