game.c: prototype done; input.c: started

Start_Windows/game.c

@@ -6,18 +6,147 @@
 #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
 int createWordSalad(char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen, const char words[][MAX_WORD_LEN], unsigned int wordCount)
 {
+   // set seed
+   srand(time(NULL));
 
+   int wordsPlaced = 0;
+
+   // loop through all words
+   for (int n = 0; n < wordCount; n++)
+   {
+      int checkSquare, letterPlaced, retries = 0;
+      int wordLength = strlen(words[n]);
+
+      // get random coordinates
+      int rndX = rand() % (searchFieldLen - wordLength + 1);
+      int rndY = rand() % (searchFieldLen - wordLength + 1);
+
+      // 0 = horizontal       1 = vertikal
+      int direction = rand() % 2;
+      switch (direction)
+      {
+      case 0:
+         retries = 0;
+         while (letterPlaced < wordLength)
+         {
+            // checks if word fits into gamefield
+            while (!(checkSquare == wordLength) && (retries < 10))
+            {
+               checkSquare = 0;
+               // checks if squares to paste into is already taken
+               for (int x = rndX; x < (rndX + wordLength); x++)
+               {
+                  if (salad[rndY][x] == '\0')
+                     checkSquare++;
+               }
+
+               // new coords when doesnt fit
+               if (checkSquare != wordLength)
+               {
+                  rndX = rand() % (searchFieldLen - wordLength + 1);
+                  rndY = rand() % (searchFieldLen - wordLength + 1);
+
+                  retries++;
+               }
+            }
+
+            if (retries >= 10)
+            {
+               printf("Word %u couldn't be placed", n);
+               break;
+            }
+
+            // pastes word into the line
+            if (checkSquare == wordLength)
+            {
+               for (int x = 0; x < wordLength; x++)
+               {
+                  salad[rndY][rndX + x] = words[n][x];
+                  letterPlaced++;
+               }
+            }
+         }
+
+         wordsPlaced++;
+
+      case 1:
+         retries = 0;
+         while (letterPlaced < wordLength)
+         {
+            // checks if word fits into gamefield
+            while (!(checkSquare == wordLength) && (retries < 10))
+            {
+               checkSquare = 0;
+               // checks if squares to paste into is already taken
+               for (int y = rndY; y < (rndY + wordLength); y++)
+               {
+                  if (salad[y][rndX] == '\0')
+                     checkSquare++;
+               }
+
+               // new coords when doesnt fit
+               if (checkSquare != wordLength)
+               {
+                  rndX = rand() % (searchFieldLen - wordLength + 1);
+                  rndY = rand() % (searchFieldLen - wordLength + 1);
+
+                  retries++;
+               }
+            }
+
+            if (retries >= 10)
+            {
+               printf("Word %u couldn't be placed", n);
+               break;
+            }
+
+            // pastes word into the line
+            if (checkSquare == wordLength)
+            {
+               for (int y = 0; y < wordLength; y++)
+               {
+                  salad[y + rndY][rndX] = words[n][y];
+                  letterPlaced++;
+               }
+            }
+         }
+
+         wordsPlaced++;
+      }
+   }
+
+   //fill voids
+   for(int x = 0; x < searchFieldLen; x++)
+   {
+      for(int y = 0; y < searchFieldLen; y++)
+      {
+         if(salad[y][x] == '\0')
+         {
+            // random number from 65 (A) to 90 (Z) with ASCII 
+            salad[y][x] = (char) (rand() % (25 + 1) + 65);
+         } 
+      }
+   }
 }
 
 // Prints the word salad to console
 void showWordSalad(const char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen)
 {
+   int i, j = 0;
+   for (i = 0; i < searchFieldLen; i++)
+   {
+      for (j = 0; j < searchFieldLen - 1; j++)
+      {
+         printf(" %c,", salad[i][j]);
+      }
 
+      printf(" %c\n", salad[i][searchFieldLen]);
+   }
 }

Start_Windows/input.c

@@ -8,5 +8,22 @@
 // Read words from file and store in 'words' array
 int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
 {
+    int wordLength = MAX_WORD_LEN;
 
+    //open file in read mode
+    file = fopen("words.txt", "r");
+
+    if(file == NULL)
+    {
+        printf("\nNot able to opne file.\n");
+    }
+    else
+    {
+        int n = 0;
+
+        while (n < MAX_WORDS && fscanf(file, "%49s", words[n]) == 1) 
+        n++;
+
+        fclose(file);
+    }
 }