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#include <SDL2/SDL.h>
#include <SDL2/SDL_error.h>
#include <SDL2/SDL_events.h>
#include <SDL2/SDL_keycode.h>
#include <SDL2/SDL_mouse.h>
#include <SDL2/SDL_rect.h>
#include <SDL2/SDL_surface.h>
#include <SDL2/SDL_video.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <wctype.h>
#define DEFAULT_WIDTH 900
#define DEFAULT_HEIGHT 900
#define COLOR 0x9AC2B3
#define EMPTY_COLOR 0x000000
typedef struct pedi {
int **matrix;
int width, height;
} pedi;
typedef struct SDL_info {
SDL_Window *w;
SDL_Surface *s;
SDL_Event *e;
} SDL_info;
void life(pedi *p) {
int **rd_only_matrix = (int **)malloc(sizeof(int *) * p->width);
for (int i = 0; i < p->width; i++) {
rd_only_matrix[i] = (int *)malloc(sizeof(int) * p->height);
memcpy(rd_only_matrix[i], p->matrix[i], sizeof(int) * p->height);
}
int dirs[8][2] = {{-1, -1}, {-1, 0}, {-1, 1}, {0, -1},
{0, 1}, {1, -1}, {1, 0}, {1, 1}};
for (int i = 0; i < p->width; i++) {
for (int j = 0; j < p->height; j++) {
int live_nei = 0;
for (int d = 0; d < 8; d++) {
int nx = i + dirs[d][0];
int ny = j + dirs[d][1];
if (nx >= 0 && nx < p->width && ny >= 0 && ny < p->height) {
if (rd_only_matrix[nx][ny] == 1) {
live_nei++;
printf("(%d, %d)\n ", nx, ny);
}
}
}
int cur_is_alive = rd_only_matrix[i][j];
if (cur_is_alive == 1) {
if (live_nei < 2 || live_nei > 3) {
p->matrix[i][j] = 0;
}
} else {
if (live_nei == 3) {
p->matrix[i][j] = 1;
}
}
}
}
}
void init_cell(pedi *p, SDL_Event e) {
int mouse_x, mouse_y, cell_x, cell_y = 0;
SDL_GetMouseState(&mouse_x, &mouse_y);
cell_x = mouse_x / 10;
cell_y = mouse_y / 10;
if (e.button.button == SDL_BUTTON_LEFT) {
printf("[MOUSE_LEFT] cell_x: %d, cell_y: %d\n", cell_x, cell_y);
p->matrix[cell_x][cell_y] = 1;
} else if (e.button.button == SDL_BUTTON_RIGHT) {
printf("[MOUSE_RIGHT] cell_x: %d, cell_y: %d\n", cell_x, cell_y);
p->matrix[cell_x][cell_y] = 0;
}
}
void game_update(SDL_Window *pwindow, pedi *p) {
SDL_UpdateWindowSurface(pwindow);
}
void draw_cells(pedi *p, SDL_Rect *cells, SDL_Surface *s) {
int m = 0;
for (int i = 0; i < p->width; i++) {
for (int j = 0; j < p->height; j++) {
cells[m].h = 10;
cells[m].w = 10;
cells[m].x = i * 10;
cells[m].y = j * 10;
if (p->matrix[i][j] == 1) {
SDL_FillRect(s, &cells[m], COLOR);
} else {
SDL_FillRect(s, &cells[m], EMPTY_COLOR);
}
m++;
}
}
}
pedi *create_pedi(int width, int height) {
pedi *p = malloc(sizeof(pedi));
p->width = width;
p->height = height;
p->matrix = (int **)malloc(sizeof(int *) * width);
for (int i = 0; i < width; i++) {
p->matrix[i] = (int *)calloc(height, sizeof(int));
}
return p;
}
int main(int argc, char **argv) {
SDL_Window *pwindow = NULL;
SDL_Rect *cells;
pedi *p;
if (argc != 1) {
pwindow = SDL_CreateWindow(
"Conway's Game of Life", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, atoi(argv[1]), atoi(argv[2]), 0);
int width = atoi(argv[1]);
int height = atoi(argv[2]);
p = create_pedi(width, height);
cells = malloc(sizeof(SDL_Rect) * (width * height));
} else {
pwindow = SDL_CreateWindow(
"Conway's Game of Life", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, DEFAULT_WIDTH, DEFAULT_HEIGHT, 0);
p = create_pedi(DEFAULT_WIDTH, DEFAULT_HEIGHT);
cells = malloc(sizeof(SDL_Rect) * (DEFAULT_WIDTH * DEFAULT_HEIGHT));
}
SDL_Surface *psurface = SDL_GetWindowSurface(pwindow);
int app_running = 1;
int cell_lock = 1;
while (app_running) {
SDL_Event e;
while (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT)
app_running = 0;
else if ((e.type == SDL_MOUSEBUTTONDOWN) && cell_lock)
init_cell(p, e);
else if (e.type == SDL_KEYDOWN && cell_lock &&
e.key.keysym.sym == SDLK_RETURN) {
cell_lock = 0;
}
}
if (!cell_lock) {
life(p);
}
draw_cells(p, cells, psurface);
if (!cell_lock) {
struct timespec req = {0, 300000000}; // 0秒 + 500,000,000纳秒
nanosleep(&req, NULL);
}
game_update(pwindow, p);
}
free(p->matrix);
free(p);
return 0;
}
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