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grid.c
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grid.c
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#include "grid.h"
char grid[GRID_NUM][WIDTH][HEIGHT];
static char under;
static char above;
static char right;
static char left;
static char bottom_left;
static char bottom_right;
static char upper_right;
static char upper_left;
void clear_grid(char array[GRID_NUM][WIDTH][HEIGHT]){
for(unsigned int k = 0; k < GRID_NUM; k++){
for(unsigned int i = 0; i < WIDTH; i++){
for(unsigned int j = 0; j < HEIGHT; j++){
array[k][i][j] = 0;
}
}
}
}
void populate_grid(char array[GRID_NUM][WIDTH][HEIGHT], int current_grid){
for(unsigned int i = 0; i < WIDTH; i++){
for(unsigned int j = 0; j < HEIGHT; j++){
usleep(10);
int random_number = rand() % 2;
array[current_grid][i][j] = random_number;
}
}
return;
}
int print_grid(char array[GRID_NUM][WIDTH][HEIGHT], SDL_Renderer* renderer, SDL_Rect* rect, SDL_Surface* surface, int xOffset, int yOffset, int current_grid){
int living_cells = 0;
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
for(unsigned int i = 0; i < WIDTH; i++){
for(unsigned int j = 0; j < HEIGHT; j++){
if(array[current_grid][i][j]){
rect->x = (i * SQUARE_WIDTH) + xOffset;
rect->y = (j * SQUARE_HEIGHT) + yOffset;
SDL_FillRect(surface, rect, SDL_MapRGB(surface->format, 255, 255, 255));
living_cells++;
}
}
}
return living_cells;
}
int check_neighbours(char array[GRID_NUM][WIDTH][HEIGHT], int x, int y, int current_grid){
int count = 0;
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
if (i == 0 && j == 0) continue;
int nx = x + i;
int ny = y + j;
if (nx >= 0 && nx < WIDTH && ny >= 0 && ny < HEIGHT) {
count += grid[current_grid][nx][ny];
}
}
}
return count;
}
void update_grid(char array[GRID_NUM][WIDTH][HEIGHT], int* current_grid, int* next_grid){
for (int i = 0; i < WIDTH; i++) {
for (int j = 0; j < HEIGHT; j++) {
int neighbors = check_neighbours(array, i, j, (*current_grid));
if (grid[(*current_grid)][i][j] == 1) {
if (neighbors < 2 || neighbors > 3) {
grid[(*next_grid)][i][j] = 0; /*Cell dies due to underpopulation or overcrowding*/
}else {
grid[(*next_grid)][i][j] = 1; /*Cell survives*/
}
}else {
if (neighbors == 3) {
grid[(*next_grid)][i][j] = 1; /*Cell is born*/
} else {
grid[(*next_grid)][i][j] = 0; /*Cell remains dead*/
}
}
}
}
int temp = (*current_grid);
(*current_grid) = (*next_grid);
(*next_grid) = temp;
}
void copy_grid(char array[GRID_NUM][WIDTH][HEIGHT], char array_copy[WIDTH][HEIGHT], int current_grid){
for (int i = 0; i < WIDTH; i++) {
for (int j = 0; j < HEIGHT; j++) {
array_copy[i][j] = grid[(current_grid)][i][j];
}
}
}