Implemented the core functionality of the ObjectStore and started

implementing the functionality for the AssetManager

src/GameEngine.c

@@ -0,0 +1,144 @@
+#include "GameEngine.h"
+#include "ObjectStore.h"
+#include "SDL.h"
+#include "SDL_error.h"
+#include "SDL_events.h"
+#include "SDL_pixels.h"
+#include "Window.h"
+#include "constants.h"
+#include "engine_build_config.h"
+#include <stdbool.h>
+
+#ifdef DEBUG_ENGINE
+#include <stdio.h>
+#endif /* DEBUG_ENGINE */
+
+INTERNAL struct game {
+  bool running;
+  float delta;
+  Window window;
+  SDL_Event event;
+  ObjectStore *object_store;
+} Game;
+
+bool init_game(const char *game_name, int window_width, int window_height,
+               bool full_screen) {
+  bool initialisation_complete = true;
+
+  if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
+#ifdef DEBUG_ENGINE
+    printf("Failed to initialise SDL. Error: %s\n", SDL_GetError());
+#endif /* DEBUG_ENGINE */
+
+    return false;
+  }
+
+  if (!init_window(&(Game.window), game_name, window_width, window_height,
+                   full_screen)) {
+#ifdef DEBUG_ENGINE
+    printf("Failed to initialise window\n");
+#endif /* DEBUG_ENGINE */
+
+    initialisation_complete = false;
+  }
+
+  Game.object_store = create_object_store();
+
+  if (!(Game.object_store)) {
+    initialisation_complete = false;
+  }
+
+  if (!initialisation_complete) {
+    close_game();
+
+    return false;
+  }
+
+  Game.running = true;
+  Game.delta = 0.0f;
+
+#ifdef DEBUG_ENGINE
+  printf("Game initialised successfully\n");
+#endif /* DEBUG_ENGINE */
+
+  return true;
+}
+
+bool game_running() { return Game.running; }
+
+ObjectID add_object(void *object, EventHandlerPtr event_handler,
+                    UpdateFuncPtr update_func, RenderFuncPtr render_func) {
+  if (!(Game.running) || !(Game.object_store)) {
+    return -1;
+  }
+
+  return add_object_to_store(Game.object_store, object, event_handler,
+                             update_func, render_func);
+}
+
+void remove_object(ObjectID id) {
+  if (!(Game.running) || !(Game.object_store)) {
+    return;
+  }
+
+  remove_object_from_store(Game.object_store, id);
+}
+
+void handle_events() {
+  if (!(Game.running)) {
+    return;
+  }
+
+  while (SDL_PollEvent(&(Game.event))) {
+    switch (Game.event.type) {
+    case SDL_QUIT:
+      Game.running = false;
+      break;
+    }
+
+    if (!Game.object_store) {
+      break;
+    }
+
+    handle_all_objects_events(Game.object_store, &(Game.event));
+  }
+}
+
+void update() {
+  if (!(Game.running) || !(Game.object_store)) {
+    return;
+  }
+
+  update_all_objects(Game.object_store, Game.delta);
+}
+
+void render() {
+  if (!(Game.running)) {
+    return;
+  }
+
+  fill_window_with_color(&(Game.window), (SDL_Color){255, 255, 255, 255});
+
+  if (Game.object_store) {
+    render_all_objects(Game.object_store, Game.window.renderer);
+  }
+
+  swap_render_buffers(&(Game.window));
+}
+
+void close_game() {
+  destroy_object_store(Game.object_store);
+  Game.object_store = NULL;
+
+  destroy_window(&(Game.window));
+
+  Game.delta = 0.0f;
+
+  Game.running = false;
+
+  SDL_Quit();
+
+#ifdef DEBUG_ENGINE
+  printf("Game closed successfully\n");
+#endif /* DEBUG_ENGINE */
+}