game.c komplett fertig

Startcode/game.c

@@ -2,16 +2,148 @@
 #include <time.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h> //für toupper
 
 #define MAX_RAND_TRIES_PER_WORD 10
 #define EMPTY_CHAR 0
 
-//TODO: Spiellogik implementieren:
+// TODO: Spiellogik implementieren:
 /* * Wörter aus der Wortliste zufällig horizontal oder vertikal platzieren
-   * restliche Felder mit zufälligen Buchstaben füllen */
+ * restliche Felder mit zufälligen Buchstaben füllen */
 
 // Creates the word salad by placing words randomly and filling empty spaces
+
+void fillArrayEmpty(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen);
+void generateCoordinates(unsigned int searchFieldLen, int *platzierung, int *xKoord, int *yKoord);
+int placeWords(unsigned int searchFieldLen, const char *wort, int platzierung, int xKoord, int yKoord, char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN]);
+void fillRandLetters(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen);
+
 int createWordSalad(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen, const char words[][MAX_WORD_LEN], unsigned int wordCount)
 {
+   fillArrayEmpty(salad, searchFieldLen);
+   
+   srand((unsigned int)time(NULL));
 
+   int numberWords = 0;
+   for (unsigned int i = 0; i < wordCount; i++)
+   {
+
+      const char *wort = 0;
+      wort = words[i];
+
+      for (int k = 0; k < MAX_RAND_TRIES_PER_WORD; k++)
+      {
+         int platzierung = 0;
+         int xKoord = 0;
+         int yKoord = 0;
+         int success = 0;
+
+         generateCoordinates(searchFieldLen, &platzierung, &xKoord, &yKoord);
+         success = placeWords(searchFieldLen, wort, platzierung, xKoord, yKoord, salad);
+
+         if (success != 0)
+         {
+            numberWords++;
+            break;
+         }
+      }
+   }
+
+   fillRandLetters(salad, searchFieldLen);
+
+   return numberWords;
+}
+
+void fillArrayEmpty(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen)
+{
+   for (unsigned int i = 0; i < searchFieldLen; i++)
+   {
+      for (unsigned int j = 0; j < searchFieldLen; j++)
+      {
+         salad[i][j] = EMPTY_CHAR;
+      }
+   }
+}
+
+void generateCoordinates(unsigned int searchFieldLen, int *platzierung, int *xKoord, int *yKoord)
+{
+   *platzierung = (unsigned int)rand() % 2; // 0=Horizont.; 1=Vertik.
+   *xKoord = (unsigned int)rand() % searchFieldLen;
+   *yKoord = (unsigned int)rand() % searchFieldLen;
+}
+
+int placeWords(unsigned int searchFieldLen, const char *wort, int platzierung, int xKoord, int yKoord, char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN])
+{
+
+   if (platzierung == 0) // Horizontal
+   {
+      size_t len = strnlen(wort, MAX_WORD_LEN);
+
+      if ((size_t)xKoord + len > searchFieldLen) //Addition da unsigned int
+      {
+         return 0;
+      }
+
+      for (size_t j = 0; j < len; j++)
+      {
+         char c = salad[yKoord][xKoord + j];
+         char w = (char)toupper((unsigned char)wort[j]); //Umwandlung in Großbuchstaben
+         if (c != EMPTY_CHAR && c != w)
+         {
+            return 0;
+         }
+      }
+
+      for (size_t j = 0; j < len; j++)
+      {
+         salad[yKoord][xKoord + j] = (char)toupper((unsigned char)wort[j]); //Umwandlung in Großbuchstaben
+      }
+
+      return 1;
+   }
+
+   else if (platzierung == 1) // Vertikal (analog zu Horizontal)
+   {
+      size_t len = strnlen(wort, MAX_WORD_LEN);
+
+      if ((size_t)yKoord + len > searchFieldLen)
+      {
+         return 0;
+      }
+
+      for (size_t j = 0; j < len; j++)
+      {
+         char c = salad[yKoord + j][xKoord];
+         char w = (char)toupper((unsigned char)wort[j]); 
+         if (c != EMPTY_CHAR && c != w)
+         {
+            return 0;
+         }
+      }
+
+      for (size_t j = 0; j < len; j++)
+      {
+         salad[yKoord + j][xKoord] = (char)toupper((unsigned char)wort[j]);
+      }
+
+      return 1;
+   }
+   else
+   {
+      return 0;
+   }
+}
+
+void fillRandLetters(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen)
+{
+   for (unsigned int i = 0; i < searchFieldLen; i++)
+   {
+      for (unsigned int j = 0; j < searchFieldLen; j++)
+      {
+         if (salad[i][j] == EMPTY_CHAR)
+         {
+            salad[i][j] = (unsigned int)rand() % 26 + 'A'; // Assci A=65='A', Z=90
+         }
+      }
+   }
 }