feat: finished basic task

This commit is contained in:
moonleay 2024-12-02 14:53:24 +01:00
parent 50335b3ff9
commit 5da1b434cf
Signed by: moonleay
GPG key ID: 82667543CCD715FB

208
main.cpp
View file

@ -1,118 +1,120 @@
#include "std_lib_inc.h"
// Labyrinth-Dimensionen als konstanter Ausdruck
constexpr int kRows = 5;
constexpr int kCols = 5;
// A programm which allows you to wander across a maze using 'w','a','s' and 'd'.
// Labyrinth-Definition
// Interpretiere als Zeilen, dann Spalten
const vector<vector<char> > kMaze = {
const vector<vector<char>> play_field = { // playspace[y][x]
{'#', '.', '.', '.', '.'},
{'#', '.', '#', '.', '.'},
{'.', 'Z', '#', '.', '.'},
{'.', '#', '#', '#', '.'},
{'.', '.', '.', '.', '.'},
{'.', '.', '.', '.', '.'}
// ^ player starts here (4,0)
};
// Startposition des Spielers
const vector<int> kPlayerStartPosition = {4, 0};
/* legend
* S - player
* Z - goal
* . - empty space
* # - wall
*/
/// Check if the player could be moved to a certain space
bool can_move_player(int pos_x, int pos_y, int move_x, int move_y);
/// Check if a certain space can be moved to
bool is_pos_free(int x, int y);
/// Render the current playfield to the console
void render_play_field(int pos_x, int pos_y);
int main()
{
// Current player position (y, x)
int pos_x = 0;
int pos_y = 4;
char input;
while (true)
{
render_play_field(pos_x, pos_y);
cin >> input;
if (!cin)
{
cout << "Diese Eingabe kenne ich nicht. Gib 'h' ein, um eine Hilfe zu erhalten.\n";
continue;
}
switch (input)
{
case 'w':
if (!can_move_player(pos_x, pos_y, 0, -1))
continue;
--pos_y;
break;
case 'a':
if (!can_move_player(pos_x, pos_y, -1, 0))
continue;
--pos_x;
break;
case 's':
if (!can_move_player(pos_x, pos_y, 0, 1))
continue;
++pos_y;
break;
case 'd':
if (!can_move_player(pos_x, pos_y, 1, 0))
continue;
++pos_x;
break;
case 'h':
cout << "Gebe 'w', 'a', 's', oder 'd' ein zum bewegen. Gebe 'h' ein um diesen Text anzuzeigen\n";
continue;
default:
cout << "Diese Eingabe kenne ich nicht. Gib 'h' ein, um eine Hilfe zu erhalten.\n";
continue;
}
void printMaze(vector<int> &kPlayerCurrentPosition) {
for (int current_row = 0; current_row < kMaze.size(); current_row++) {
for (int current_column = 0; current_column < kMaze[current_row].size(); current_column++) {
//Gebe aktuelle Spielepositon aus.
if (kPlayerCurrentPosition[0] == current_row && kPlayerCurrentPosition[1] == current_column) {
cout << 'S';
} else {
//Sonst gebe den Feldinhalt aus.d
cout << kMaze[current_row][current_column];
}
// Aufeinanderfolgende Felder trennen
if (current_column != kMaze[current_row].size() - 1) {
cout << ' ';
}
if (play_field[pos_y][pos_x] == 'Z')
{
cout << "Ziel erreicht! Herzlichen Glueckwunsch!\n";
break;
}
}
return 0;
}
bool can_move_player(const int pos_x, const int pos_y, const int move_x, const int move_y)
{
const int target_x = pos_x + move_x;
const int target_y = pos_y + move_y;
const bool result = is_pos_free(target_x, target_y);
if (!result)
cout << "Bewegung nicht moeglich!\n";
return result;
}
bool is_pos_free(const int x, const int y)
{
if (x < 0 || y < 0 || x > 4 || y > 4)
return false; // target out of bounds of area
if (play_field[y][x] == '#')
return false; // target is wall
return true; // target is empty or goal
}
void render_play_field(const int pos_x, const int pos_y)
{
for (int i = 0; i < play_field.size(); ++i)
{ // every row
for (int j = 0; j < play_field[i].size(); ++j)
{ // every entry in row
if (i == pos_y && j == pos_x)
cout << "S ";
else
cout << play_field[i][j];
}
cout << "\n";
}
}
/**
* Prüft ob die vector<int> end_postion beschriebenen Postition eine gültige Postion ist.
* @param kPlayerNewPosition
* @return false end_postion eine ungültige Postion beschreibt.
*/
bool valid_move(const vector<int> &kPlayerNewPosition) {
//Ausserhalb des Labyrinths
if (kPlayerNewPosition[0] < 0 || kPlayerNewPosition[0] >= kRows || kPlayerNewPosition[1] < 0 || kPlayerNewPosition[
1] >= kCols) {
return false;
}
//Endpostion ist eine Wand
if (kMaze[kPlayerNewPosition[0]][kPlayerNewPosition[1]] == '#') {
return false;
}
return true;
}
bool goal_reached(const vector<int> &kPlayerCurrentPosition) {
//Ziel erreicht
if (kMaze[kPlayerCurrentPosition[0]][kPlayerCurrentPosition[1]] == 'Z') {
return true;
}
return false;
}
bool move(vector<int> &kPlayerCurrentPosition, const int rows, const int colums) {
vector<int> kPlayerNewPosition = {kPlayerCurrentPosition[0] + rows, kPlayerCurrentPosition[1] + colums};
if (not valid_move(kPlayerNewPosition)) {
cout << "Bewegung nicht moeglich!\n";
return false;
}
//Bewegung ist Gültig, wir setzen die neue Postion.
kPlayerCurrentPosition = kPlayerNewPosition;
return true;
}
int main() {
vector<int> kPlayerCurrentPositon = kPlayerStartPosition;
//Übergabe von Parametern als Refernz (Copy by Referenz)
printMaze(kPlayerCurrentPositon);
char input;
//Starte Gameloop
while (true) {
cin >> input;
if (!cin) {
cout << "Eingabe beendet\n"; // Beendet das Programm bei ungültiger Eingabe
return 0;
}
switch (input) {
case 'w':
move(kPlayerCurrentPositon, -1, 0);
break;
case 'a':
move(kPlayerCurrentPositon, 0, -1);
break;
case 's':
move(kPlayerCurrentPositon, 1, 0);
break;
case 'd':
move(kPlayerCurrentPositon, 0, 1);
break;
case 'h':
cout << "Beliebiger Hilfetext. Good Luck!\n";
break;
default:
cout << "Diese Eingabe kenne ich nicht. Gib 'h' ein, um eine Hilfe zu erhalten.\n";
}
printMaze(kPlayerCurrentPositon);
if (goal_reached(kPlayerCurrentPositon)) {
cout << "Ziel erreicht! Herzlichen Glueckwunsch!\n";
return 0;
}
}
}