100 lines
3.5 KiB
C
100 lines
3.5 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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// Fills array with EMPTY_CHAR, tries to place words into the salad and fills empty spaces with random letters. returns number of placed words or -1 if not all words could be placed.
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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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memset(salad, EMPTY_CHAR, MAX_SEARCH_FIELD_LEN * MAX_SEARCH_FIELD_LEN * sizeof(salad[0][0]));
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int line = 0;
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int column = 0;
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int wordsplaced = 0;
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int wordsaborted = 0;
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while (wordsplaced < wordCount) {
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int direction = rand() % 2; // 0 = horizontal, 1 = vertical
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int wordlen = strlen(words[wordsplaced]);
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int placed = 0;
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int tries = 0;
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while (!placed && tries < MAX_RAND_TRIES_PER_WORD) {
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if (direction == 0) { // horizontal
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if (wordlen <= searchFieldLen) {
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column = rand() % (searchFieldLen - wordlen + 1);
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line = rand() % searchFieldLen;
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int canPlace = 1;
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for (int i = 0; i < wordlen; i++) {
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if (salad[line][column + i] != EMPTY_CHAR && salad[line][column + i] != words[wordsplaced][i]) {
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canPlace = 0;
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break;
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}
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}
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if (canPlace) {
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for (int i = 0; i < wordlen; i++) {
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salad[line][column + i] = words[wordsplaced][i];
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}
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placed = 1;
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}
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}
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} else { // vertical
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if (wordlen <= searchFieldLen) {
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line = rand() % (searchFieldLen - wordlen + 1);
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column = rand() % searchFieldLen;
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int canPlace = 1;
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for (int i = 0; i < wordlen; i++) {
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if (salad[line + i][column] != EMPTY_CHAR && salad[line + i][column] != words[wordsplaced][i]) {
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canPlace = 0;
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break;
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}
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}
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if (canPlace) {
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for (int i = 0; i < wordlen; i++) {
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salad[line + i][column] = words[wordsplaced][i];
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}
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placed = 1;
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}
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}
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}
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tries++;
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}
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if (placed) {
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wordsplaced++;
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}
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else if (tries == MAX_RAND_TRIES_PER_WORD) {
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printf("Abort trying to place the word -%s-\n", words[wordsplaced]);
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wordsplaced++; // skip this word and move to the next
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wordsaborted++;
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}
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}
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for (int i = 0; i < searchFieldLen; i++) { // replaces 0 with random letters
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for (int j = 0; j < searchFieldLen; j++) {
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if (salad[i][j] == EMPTY_CHAR) {
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salad[i][j] = 'A' + (rand() % 26);
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}
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}
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}
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return wordsplaced;
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}
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// Prints the word salad to console
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void showWordSalad(const char salad[MAX_SEARCH_FIELD_LEN][MAX_SEARCH_FIELD_LEN], unsigned int searchFieldLen)
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{
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for (unsigned int i = 0; i < searchFieldLen; i++) {
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for (unsigned int j = 0; j < searchFieldLen; j++) {
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printf("%c ", salad[i][j]);
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}
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printf("\n");
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}
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}
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