108 lines
3.3 KiB
C

#include "game.h"
#include <time.h>
#include <stdlib.h>
#include <string.h>
#define MAX_RAND_TRIES_PER_WORD 10
#define EMPTY_CHAR 0
//TODO: Spiellogik implementieren:
/* * Wörter aus der Wortliste zufällig horizontal oder vertikal platzieren
* 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)
{
if (searchFieldLen == 0 || searchFieldLen > MAX_SEARCH_FIELD_LEN) {
return 0;
}
// Start with empty field
for (unsigned int r = 0; r < searchFieldLen; ++r) {
for (unsigned int c = 0; c < searchFieldLen; ++c) {
salad[r][c] = EMPTY_CHAR;
}
}
// Platzieren der Wörter
for (unsigned int w = 0; w < wordCount; ++w) {
const char *word = words[w];
size_t wordLen = strlen(word);
if (wordLen == 0 || wordLen > searchFieldLen) {
continue;
}
int placed = 0;
for (int attempts = 0; attempts < MAX_RAND_TRIES_PER_WORD && !placed; ++attempts) {
int vertical = rand() % 2; // 0=horizontal, 1=vertical
unsigned int row, col;
if (vertical) {
row = rand() % (searchFieldLen - wordLen + 1);
col = rand() % searchFieldLen;
} else {
row = rand() % searchFieldLen;
col = rand() % (searchFieldLen - wordLen + 1);
}
// Check if placeable
int ok = 1;
for (size_t i = 0; i < wordLen; ++i) {
unsigned int r = row + (vertical ? i : 0);
unsigned int c = col + (vertical ? 0 : i);
char current = salad[r][c];
if (current != EMPTY_CHAR && current != word[i]) {
ok = 0;
break;
}
}
if (!ok) {
continue;
}
// Set letters
for (size_t i = 0; i < wordLen; ++i) {
unsigned int r = row + (vertical ? i : 0);
unsigned int c = col + (vertical ? 0 : i);
salad[r][c] = word[i];
}
placed = 1;
}
if (!placed) {
// Ein Wort konnte nicht platziert werden, Abbruch möglich
return 0;
}
}
// Rest mit zufälligen Buchstaben füllen
for (unsigned int r = 0; r < searchFieldLen; ++r) {
for (unsigned int c = 0; c < searchFieldLen; ++c) {
if (salad[r][c] == EMPTY_CHAR) {
salad[r][c] = 'A' + (rand() % 26);
}
}
}
return 1;
}
// Prints the word salad to console
void showWordSalad(const char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen)
{
for (unsigned int r = 0; r < searchFieldLen; ++r) {
for (unsigned int c = 0; c < searchFieldLen; ++c) {
char ch = salad[r][c];
if (ch == EMPTY_CHAR) {
ch = '.';
}
putchar(ch);
if (c + 1 < searchFieldLen) {
putchar(' ');
}
}
putchar('\n');
}
}