88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
#include "highscore.h"
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#include "numbers.h"
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#include "timer.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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// Read an unsigned integer from stdin with prompt (retries until valid).
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int inputNumber(const char *promptText) {
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unsigned int number;
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int numberOfInputs = 0;
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while (numberOfInputs != 1) {
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printf("%s", promptText);
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numberOfInputs = scanf("%u", &number);
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while (getchar() != '\n') {
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} // clear input buffer
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}
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return number;
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}
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// Print an array of numbers.
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void showNumbers(const unsigned int *numbers, unsigned int len) {
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if (numbers != NULL) {
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printf("Numbers:");
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for (int i = 0; i < len; i++)
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printf(" %5d", numbers[i]);
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printf("\n");
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}
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}
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// Main game loop: generate numbers, ask user for duplicate, measure time,
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// update highscores.
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int main(int argc, char *argv[]) {
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srand(time(NULL)); // seed für srand
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int exitCode = EXIT_FAILURE;
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if (argc != 2) {
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fprintf(stderr, "Usage: %s <player name>\n", argv[0]);
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exitCode = EXIT_FAILURE;
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} else {
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const char *highscorePath = "highscores.txt";
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const char *playerName = argv[1];
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unsigned int *numbers = NULL;
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unsigned int duplicate = 0;
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double measuredSeconds;
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unsigned int userInput;
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unsigned int numberOfElements = 0;
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// ask until valid number of elements (3..1000)
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while (numberOfElements < 3 || numberOfElements > 1000)
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numberOfElements =
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inputNumber("Wie viele Zahlen sollen gezeigt werden: ");
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// create numbers and show them
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numbers = createNumbers(numberOfElements);
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showNumbers(numbers, numberOfElements);
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// measure time while user guesses the duplicate
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startTimer();
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userInput = inputNumber("Welche Zahl kommt doppelt vor: ");
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measuredSeconds = stopTimer();
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duplicate = getDuplicate(numbers, numberOfElements);
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// check result and update highscores
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if (userInput == duplicate) {
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int score = addHighscore(playerName, measuredSeconds, numberOfElements);
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printf("Sie haben die korrekte Zahl in %.6lf Sekunde(n) gefunden und %u "
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"Punkte erzielt.\n",
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measuredSeconds, score);
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} else
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printf("Leider ist %u nicht korrekt. Richtig waere %u gewesen.\n",
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userInput, duplicate);
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loadHighscores(highscorePath);
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showHighscores();
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saveHighscores(highscorePath);
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clearHighscores();
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exitCode = EXIT_SUCCESS;
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}
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return exitCode;
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} |