/* ================================================================
Core
----------------
Core is somewhat like a service locator, but with larger engine capabilities - in essence, it is a lot of glue that would normally exist in a global scope. An instance of Core, "core," is provided in the global scope and is the instance that is referenced from other contexts.
================================================================ */
#ifndef CORE_HPP
#define CORE_HPP
#include "common.hpp"
#include "RenderScene.hpp"
#include "AssetManager.hpp"
#include "Gui.hpp"
#include "State.hpp"
#include <vector>
class Core {
  public:
    Core();
    ~Core();
    int initSystem();
    int closeSystem();
    void doProcess();
    void doRender();
    enum Flags { IS_RUNNING = (1 << 1) };
    //
    SDL_Window* getWindow();
    RenderScene *getScene();
    AssetManager *getAssetManager();
    Gui* getGui();
    // Audio* getAudio();
    // Net* getNet();
    int pushState(State *state);
    int popState();
    int getWidth();
    int getHeight();
    unsigned int flags;           // Core state flags
  private:
    SDL_Window *v_window;         // Our window
    SDL_GLContext v_context;      // OpenGL context
    GLint v_fbo;                  // window framebuffer object
    int v_width;                  // width of our display
    int v_height;                 // height of our display
    int v_flags;                  // video flags
    RenderScene *scene;           // our current render scene
    AssetManager *asset_manager;  // our asset manager service
    Gui *gui;                     // our GUI service
    std::vector<State*> states;   // our record of states
    // Audio *audio_service;
    // Net *net_service;
    //
    unsigned int tick_rate;       // our tickrate
    unsigned int tick_accumulator;// our tickrate accumulator
    unsigned int tick_last;       // our last tickstamp
    unsigned int tick_current;    // our current tickstamp
    unsigned int tick_delta;      // delta between current and last
};
extern Core core;
#endif