Implementierung der Wortsuche und Eingabeverarbeitung

Startcode/game.c

@@ -11,7 +11,111 @@
    * 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)
+int createWordSalad(
+    char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN],
+    unsigned int searchFieldLen,
+    const char words[][MAX_WORD_LEN],
+    unsigned int wordCount)
 {
-char*b="Hallo";
+    unsigned int placedWords = 0;
+
+    // 1. Spielfeld leeren
+    for (unsigned int i = 0; i < searchFieldLen; i++) {
+        for (unsigned int j = 0; j < searchFieldLen; j++) {
+            salad[i][j] = EMPTY_CHAR;
+        }
+    }
+
+    // 2. Alle Wörter durchlaufen
+    for (unsigned int i = 0; i < wordCount; i++) {
+
+        size_t wordLen = strlen(words[i]);
+
+        // Leere oder zu lange Wörter überspringen
+        if (wordLen == 0 || wordLen > searchFieldLen) {
+            continue;
+        }
+
+        // 3. Platzierungsversuche
+        for (int attempt = 0;
+             attempt < MAX_RAND_TRIES_PER_WORD;
+             attempt++) {
+
+            unsigned int row = rand() % searchFieldLen;
+            unsigned int col = rand() % searchFieldLen;
+            int direction = rand() % 2;
+            int canPlace = 1;
+
+            // 4. Horizontale Platzierung prüfen
+            if (direction == 0) {
+
+                if (col + wordLen > searchFieldLen) {
+                    continue;
+                }
+
+                for (size_t j = 0; j < wordLen; j++) {
+
+                    if (salad[row][col + j] != EMPTY_CHAR &&
+                        salad[row][col + j] != words[i][j]) {
+
+                        canPlace = 0;
+                        break;
+                    }
+                }
+            }
+
+            // 5. Vertikale Platzierung prüfen
+            else {
+
+                if (row + wordLen > searchFieldLen) {
+                    continue;
+                }
+
+                for (size_t j = 0; j < wordLen; j++) {
+
+                    if (salad[row + j][col] != EMPTY_CHAR &&
+                        salad[row + j][col] != words[i][j]) {
+
+                        canPlace = 0;
+                        break;
+                    }
+                }
+            }
+
+            // Platzierung nicht möglich
+            if (!canPlace) {
+                continue;
+            }
+
+            // 6. Wort tatsächlich platzieren
+            for (size_t j = 0; j < wordLen; j++) {
+
+                if (direction == 0) {
+                    salad[row][col + j] = words[i][j];
+                }
+                else {
+                    salad[row + j][col] = words[i][j];
+                }
+            }
+
+            // Erfolgreich platziertes Wort zählen
+            placedWords++;
+
+            // Nächstes Wort bearbeiten
+            break;
+        }
+    }
+
+    // 7. Leere Felder mit Zufallsbuchstaben füllen
+    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] = 'A' + rand() % 26;
+            }
+        }
+    }
+
+    // 8. Anzahl erfolgreich platzierter Wörter zurückgeben
+    return (int)placedWords;
 }

Startcode/input.c

@@ -6,7 +6,47 @@
 // eine Funktion implementieren, die ein einzelnes Wort aus einer Textdatei (words.txt) einliest und als C-String zurückgibt.
 
 // Read words from file and store in 'words' array
-int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
+int readWords(FILE *file, char words[][MAX_WORD_LEN],
+              unsigned int maxWordCount)
 {
+    unsigned int wordCount = 0;
+    unsigned int charIndex = 0;
+    int c;
 
+    if (file == NULL) {
+        return 0;
+    }
+
+    while ((c = fgetc(file)) != EOF) {
+
+        if (c == ',' || c == ';' || c == ' ' ||
+            c == '\n' || c == '\t' || c == '\r') {
+
+            if (charIndex > 0) {
+                words[wordCount][charIndex] = '\0';
+
+                wordCount++;
+                charIndex = 0;
+
+                if (wordCount >= maxWordCount) {
+                    return (int)wordCount;
+                }
+            }
+            }
+        else {
+            if (wordCount < maxWordCount &&
+                charIndex < MAX_WORD_LEN - 1) {
+
+                words[wordCount][charIndex] = (char)c;
+                charIndex++;
+                }
+        }
+    }
+
+    if (charIndex > 0 && wordCount < maxWordCount) {
+        words[wordCount][charIndex] = '\0';
+        wordCount++;
+    }
+
+    return (int)wordCount;
 }