118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
#include "game.h"
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#include <time.h>
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#include <stdlib.h>
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#include <string.h>
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#define MAX_RAND_TRIES_PER_WORD 10
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#define EMPTY_CHAR 0
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// Funktion die eine zufällige Zahl von 0-range zurückgibt
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int randomNumberInRange(unsigned int range);
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//TODO: Spiellogik implementieren:
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/* * Wörter aus der Wortliste zufällig horizontal oder vertikal platzieren
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* restliche Felder mit zufälligen Buchstaben füllen */
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// Creates the word salad by placing words randomly and filling empty spaces
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int createWordSalad(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen, const char words[][MAX_WORD_LEN], unsigned int wordCount)
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{
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//Rückgabewert ist die Anzahl an platzierten Wörtern
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srand(time(NULL));
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int placedWordsSuccess = 0;
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//Array auf Spielfläche initialisieren mit leerem Char
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for (int i = 0; i < searchFieldLen; i++) {
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for (int u = 0; u < searchFieldLen; u++) {
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salad[i][u] = EMPTY_CHAR;
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}
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}
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// Schleife bis alle Wörter durchlaufen
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for (int wordToBePlaced = 0; wordToBePlaced < wordCount; wordToBePlaced++) {
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int triesPerWord = 1;
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while (triesPerWord <= MAX_RAND_TRIES_PER_WORD) {
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unsigned int xPosition = randomNumberInRange(searchFieldLen-1);
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unsigned int yPosition = randomNumberInRange(searchFieldLen-1);
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if (salad[yPosition][xPosition] != EMPTY_CHAR) {
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triesPerWord++;
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continue;
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}
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int putWordHorizontal = randomNumberInRange(1);
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//Horizontal einsetzen
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if (putWordHorizontal) {
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int writePossible = 1;
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//Schleife um alle Stellen auf EMPTY_SPACE zu prüfen
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for (int t = 0; t < MAX_WORD_LEN; t++) {
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if (words[wordToBePlaced][t] == EMPTY_CHAR) break;
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if (xPosition + t >= searchFieldLen) {
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triesPerWord++;
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writePossible = 0;
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break;
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}
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if (salad[yPosition][xPosition + t] != EMPTY_CHAR) {
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triesPerWord++;
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writePossible = 0;
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break;
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}
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}
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// Nach Prüfung Wort einsetzen
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if (writePossible) {
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for (int t = 0; t < MAX_WORD_LEN; t++) {
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if (words[wordToBePlaced][t] == EMPTY_CHAR) break;
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salad[yPosition][xPosition + t] = words[wordToBePlaced][t];
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}
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placedWordsSuccess++;
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break;
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}
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}
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// Sonst vertikal einsetzen
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else {
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int writePossible = 1;
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//Auf EMPTY_SPACE prüfen
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for (int t = 0; t < MAX_WORD_LEN; t++) {
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if (words[wordToBePlaced][t] == EMPTY_CHAR) break;
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if (yPosition + t >= searchFieldLen) {
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triesPerWord++;
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writePossible = 0;
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break;
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}
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if (salad[yPosition + t][xPosition] != EMPTY_CHAR) {
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triesPerWord++;
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writePossible = 0;
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break;
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}
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}
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//Einsetzen, wenn Felder frei
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if (writePossible) {
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for (int t = 0; t < MAX_WORD_LEN; t++) {
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if (words[wordToBePlaced][t] == EMPTY_CHAR) break;
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salad[yPosition + t][xPosition] = words[wordToBePlaced][t];
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}
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placedWordsSuccess++;
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break;
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}
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}
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}
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}
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//Restliche Felder mit Random-Buchstaben füllen
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for (int zeile = 0; zeile < searchFieldLen; zeile++) {
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for (int spalte = 0; spalte < searchFieldLen; spalte++) {
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if (salad[zeile][spalte] == EMPTY_CHAR) {
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salad[zeile][spalte] = (char)(randomNumberInRange(25)+65); //Buchstabe (ASCII) 65 - 90
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}
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}
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}
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return placedWordsSuccess; //Anzahl eingeschriebener Wörter zurückgeben
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}
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int randomNumberInRange(unsigned int range) {
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int number = (rand() % (range+1));
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return number;
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} |