Added a seeding function to generate a 'random' board. There's clearly some logic bugs for cell status but its a start.

src/main.c

@@ -20,6 +20,7 @@ const int CELL_SIZE = 15;
 const int MAX_X = SCREEN_WIDTH / CELL_SIZE - 1;
 const int MAX_Y = SCREEN_HEIGHT / CELL_SIZE - 1;
 int Start = 0;
+int RestartSim = 0;
 
 typedef struct {
     SDL_Window *window;
@@ -41,6 +42,7 @@ void Cleanup(void);
 void HandleInput(void);
 int GetIndex(int x, int y, int columns);
 int GetNotSoRandomNumber(int);
+void Seed(void);
 
 int main(int argc, char** argv) {
     memset(&app, 0, sizeof(app));
@@ -99,6 +101,12 @@ int main(int argc, char** argv) {
     // rect->y = 0;//MAX_Y * CELL_SIZE;
     // Cell* cell = CreateCell(*rect);
 
+    Restart:
+
+    RestartSim = 0;
+
+    Seed();
+
     while(!Start){
         HandleInput();
 
@@ -128,6 +136,8 @@ int main(int argc, char** argv) {
 
         HandleInput();
 
+        if (RestartSim) goto Restart;
+
         SDL_Delay(128);
 
         SDL_SetRenderDrawColor(app.renderer, 0, 0, 0, 255);
@@ -196,6 +206,17 @@ int main(int argc, char** argv) {
     //free(cell);
 }
 
+void Seed(){
+  for(int i = 0; i < GlobalList->capcity; i++) {
+    if (GlobalList->cells[i] == NULL) continue;
+
+    if (GetNotSoRandomNumber(100) % 3 != 0) continue;
+
+    Cell* cell = GlobalList->cells[i];
+    cell->Status = Alive;
+  }
+}
+
 void Cleanup(void) {
     SDL_DestroyWindow(app.window);
     SDL_DestroyRenderer(app.renderer);
@@ -232,6 +253,7 @@ void HandleInput(void) {
         else Thing(event.button.x, event.button.y);
       case SDL_KEYDOWN:
         if (event.key.keysym.sym == SDLK_s) Start = 1;
+        if (event.key.keysym.sym == SDLK_r) RestartSim = 1;
       default:
         break;
     }