forked from freudenreichan/info2Praktikum-Wortsalat
126 lines
4.5 KiB
C
126 lines
4.5 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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//TODO: Spiellogik implementieren:
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/* * Wörter aus der Wortliste zufällig horizontal oder vertikal platzieren
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* restliche Felder mit zufälligen Buchstaben füllen */
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// Creates the word salad by placing words randomly and filling empty spaces
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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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srand(time(NULL));
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int startpoint_x, startpoint_y, direction, possible, tries;
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for(int i = 0; i < searchFieldLen; i++){
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for(int j = 0; j < searchFieldLen; j++){
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salad[i][j] = EMPTY_CHAR;
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}
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}
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for(int i = 0; i < wordCount; i++){
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if(strlen(words[i]) <= searchFieldLen){
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possible = 0;
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tries = 0;
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while(possible == 0 && tries < MAX_RAND_TRIES_PER_WORD){
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direction = rand() % 4;
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possible = 1;
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switch(direction){
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case 0: //X-Positiv
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startpoint_x = rand() % (searchFieldLen - strlen(words[i]) + 1);
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startpoint_y = rand() % searchFieldLen;
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for(int j = 0; j < strlen(words[i]); j++){
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if(salad[startpoint_x + j][startpoint_y] != EMPTY_CHAR){
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possible = 0;
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break;
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}
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}
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if(possible == 0){
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tries += 1;
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break;
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}
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for(int j = 0; j < strlen(words[i]); j++){
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salad[startpoint_x + j][startpoint_y] = words[i][j];
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}
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break;
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case 1: //X-Negativ
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startpoint_x = strlen(words[i]) - 1 + rand() % (searchFieldLen - strlen(words[i]) + 1);
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startpoint_y = rand() % searchFieldLen;
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for(int j = 0; j < strlen(words[i]); j++){
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if(salad[startpoint_x - j][startpoint_y] != EMPTY_CHAR){
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possible = 0;
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break;
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}
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}
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if(possible == 0){
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tries += 1;
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break;
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}
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for(int j = 0; j < strlen(words[i]); j++){
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salad[startpoint_x - j][startpoint_y] = words[i][j];
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}
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break;
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case 2: //Y-Positiv
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startpoint_x = rand() % searchFieldLen;
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startpoint_y = rand() % (searchFieldLen - strlen(words[i]) + 1);
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for(int j = 0; j < strlen(words[i]); j++){
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if(salad[startpoint_x][startpoint_y + j] != EMPTY_CHAR){
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possible = 0;
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break;
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}
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}
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if(possible == 0){
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tries += 1;
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break;
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}
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for(int j = 0; j < strlen(words[i]); j++){
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salad[startpoint_x ][startpoint_y + j] = words[i][j];
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}
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break;
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case 3: //Y-Negativ
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startpoint_x = rand() % searchFieldLen;
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startpoint_y = strlen(words[i]) - 1 + rand() % (searchFieldLen - strlen(words[i]) + 1);
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for(int j = 0; j < strlen(words[i]); j++){
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if(salad[startpoint_x][startpoint_y - j] != EMPTY_CHAR){
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possible = 0;
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break;
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}
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}
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if(possible == 0){
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tries += 1;
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break;
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}
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for(int j = 0; j < strlen(words[i]); j++){
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salad[startpoint_x][startpoint_y - j] = words[i][j];
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}
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break;
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}
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}
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}
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}
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for(int i = 0; i < searchFieldLen; i++){
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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] = rand() % 26 + 'A';
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}
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}
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}
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return 0;
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}
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