Fastnat och får inte värden att uppdatera.
Kod:
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
/* Constants, representation of states */
#define ALIVE 'X'
#define DEAD '.'
/* Declaration of data structure */
typedef struct{
char current;
char next;
} cell;
/* Declaration of functions */
void initField(const int rows, const int cols, cell field[rows][cols]);
void clearField(const int rows, const int cols, cell field[rows][cols]);
void loadGlider(const int rows, const int cols, cell field[rows][cols]);
void loadSemaphore(const int rows, const int cols, cell field[rows][cols]);
void loadRandom(const int rows, const int cols, cell field[rows][cols]);
void loadCustom(const int rows, const int cols, cell field[rows][cols]);
void printField(const int rows, const int cols, cell field[rows][cols]);
void aliveOrDead(const int rows, const int cols, int array[rows][cols], cell field[rows][cols]);
void countNeighborhood(const int rows, const int cols, int array[rows][cols], cell field[rows][cols]);
int countNeighbors(const int rows, const int cols, cell field[rows][cols], int row, int col);
int getState(int rows, int cols, cell field[rows][cols], int row, int col);
void updateWorld(const int rows, const int cols, cell field [rows][cols]);
char getStartStateChoice(void);
/* Function: main
* Description: Start and run simulations, interact with the user.
* Lets the user choose initial structure and whether to step
* or exit. Writes information to the user, and the game field
* in each step.
*/
int main(void) {
const int rows = 20;
const int cols = 20;
cell field[rows][cols];
initField(rows, cols, field);
printField(rows, cols, field);
return 0;
}
/* Function: initField
* Description: Loads a structure that the user selects
* Input: rows - the number of rows in the field
* cols - the number of columns in the field
* field - the field array
* Output: The field array is updated.
*/
void initField(const int rows, const int cols, cell field[rows][cols]) {
char choice;
clearField(rows,cols,field);
choice=getStartStateChoice();
switch (choice) {
case 'g':
case 'G':
loadGlider(rows, cols, field);
break;
case 's':
case 'S':
loadSemaphore(rows, cols, field);
break;
case 'r':
case 'R':
loadRandom(rows, cols, field);
break;
case 'c':
case 'C':
default:
loadCustom(rows, cols, field);
break;
}
}
/* Function: getStartStateChoice
* Description: Lets the user choose starting state
* Input:
* Output: The users choice. Should be one of the letters G,S,R or C.
*/
char getStartStateChoice(void) {
printf("Select field spec to load ([G]lider, [S]emaphore, [R]andom ");
printf("or [C]ustom): ");
int ch = getchar();
/* Ignore following newline */
if (ch != '\n') {
getchar();
}
return ch;
}
/* Function: clearField
* Description: Initialize all the cells in the field to dead
* Input: rows - the number of rows in the field
* cols - the number of columns in the field
* field - the field array
* Output: The field array is updated.
*/
void clearField(const int rows, const int cols, cell field[rows][cols]) {
for (int r = 0 ; r < rows ; r++) {
for (int c = 0 ; c < cols ; c++) {
field[r][c].current = DEAD;
}
}
}
/* Function: loadGlider
* Description: Inserts a glider into the field.
* Input: rows - the number of rows in the field
* cols - the number of columns in the field
* field - the field array
* Output: The field array is updated.
*/
void loadGlider(const int rows, const int cols, cell field[rows][cols]) {
field[0][1].current = ALIVE;
field[1][2].current = ALIVE;
field[2][0].current = ALIVE;
field[2][1].current = ALIVE;
field[2][2].current = ALIVE;
}
/* Function: loadSemaphore
* Description: Inserts a semaphore into the field.
* Input: rows - the number of rows in the field
* cols - the number of columns in the field
* field - the field array * Output: The field array is updated.
*/
void loadSemaphore(const int rows, const int cols, cell field[rows][cols]) {
field[8][1].current = ALIVE;
field[8][2].current = ALIVE;
field[8][3].current = ALIVE;
}
/* Function: loadRandom
* Description: Inserts a random structure into the field.
* Input: rows - the number of rows in the field
* cols - the number of columns in the field
* field - the field array
* Output: The field array is updated. There is a 50 % chance that a cell
* is alive.
*/
void loadRandom(const int rows, const int cols, cell field[rows][cols]) {
srand(time(NULL));
for (int r = 0;r < rows ; r++){
for (int c = 0;c < cols ; c++){
int temp = rand() % 2;
if(temp == 0){
field[r][c].current = DEAD;
}
else{
field[r][c].current = ALIVE;
}
}
}
}
/* Function: loadCustom
* Description: Lets the user specify a structure that then is inserted into
* the field. * Input: rows - the number of rows in the field
* cols - the number of columns in the field
* field - the field array
* Output: The field array is updated.
*/
void loadCustom(const int rows, const int cols, cell field[rows][cols]) {
printf("Give custom format string: ");
do {
int r, c;
scanf("%d,%d", &r, &c);
field[r][c].current = ALIVE;
} while (getchar() != '\n');
}
void printField(const int rows, const int cols, cell field[rows][cols]){
do{
for(int r = 0; r < rows; r++){
if(r != 0){
printf("\n");
}
for (int c = 0; c < cols; c++) {
if (field[r][c].current==ALIVE) {
printf(" X ");
}
else{
printf(" . ");
}
}
}
printf("\n");
printf("Select one of the following options:\n (enter) Step\n");
printf(" (any) Exit \n"); //Kolla
} while (getchar() == '\n');
}
/* Function: countNeighborhood
* Description: Counts the number of live cells one cell is surrounded by.
* Input: The field array and its size.
* Output: The neighborCount array.
*/
void countNeighborhood(const int rows, const int cols, int array[rows][cols], cell field[rows][cols]){
for (int r = 0; r <= rows; r++){
for (int c = 0; c <= cols; c++) {
array[r][c] = countNeighbors(rows, cols, field, r, c);
}
}
}
int countNeighbors(const int rows, const int cols, cell field[rows][cols], int row, int col){
int count = 0;
for (int r = row - 1; r <= row + 1; r++) {
for (int c = col - 1; c <= col + 1; c++) {
if ((row != r || col != c) &&
getState (rows, cols, field, r, c) == ALIVE) {
count++;
}
}
}
return count;
}
int getState(const int rows, const int cols, cell field[rows][cols], int row, int col) {
if (row >= 0 && row <rows && col >= 0 && col < cols){
return field[row][col].current;
}
else{
return DEAD;
}
}
void aliveOrDead(const int rows, const int cols, int array[rows][cols], cell field[rows][cols]){
countNeighborhood(rows, cols, array, field);
for (int r = 0; r < rows; r++){
for (int c = 0; c < cols; c++){
if (field[r][c].current == ALIVE && array[r][c] == 2){
field[r][c].next = ALIVE;
}
else if (array[r][c] == 3) {
field[r][c].next = ALIVE;
}
else{
field[r][c].next = DEAD;
}
}
}
for (int i = 0; i < rows; i++){
for (int j = 0; j < cols; j++){
printf("%d ", array[i][j]);
}
}
updateWorld (rows, cols, field);
}
void updateWorld(const int rows, const int cols, cell field [rows][cols]){
for (int r = 0; r < rows; r++){
for (int c = 0; c < cols; c++){
field[r][c].current = field[r][c].next;
}
}
}
