2 files changed, 129 insertions, 0 deletions
diff --git a/a.out b/a.out
deleted file mode 100755
index 5fec095..0000000
--- a/a.out
+++ /dev/null
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..0f311dc
--- /dev/null
+++ b/main.c
@@ -0,0 +1,129 @@
+#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 <unistd.h>
+
+#define DEFAULT_WIDTH 900
+#define DEFAULT_HEIGHT 900
+#define COLOR 0x9AC2B3
+#define EMPTY_COLOR 0x000000
+
+static const int dx[], dy[] = {-1, 0, 1};
+
+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 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) {
+    if (!p) {
+        return;
+    }
+
+    SDL_UpdateWindowSurface(pwindow);
+}
+
+void draw_cells(pedi *p, SDL_Rect *cells, SDL_Surface *s) {
+    int m = 0;
+    for (int i = 0; i < p->height; i++) {
+        for (int j = 0; j < p->width; j++) {
+            cells[m].h = 10;
+            cells[m].w = 10;
+            if (p->matrix[i][j] == 1) {
+                cells[m].x = i * 10;
+                cells[m].y = j * 10;
+                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;
+            }
+        }
+        draw_cells(p, cells, psurface);
+        game_update(pwindow, p);
+    }
+
+    free(p->matrix);
+    free(p);
+
+    return 0;
+}