gui.hpp

// SPDX-License-Identifier: MIT
// Author:  Giovanni Santini
// Mail:    giovanni.santini@proton.me
// Github:  @San7o
 
#pragma once
 
#ifdef BRENTA_USE_IMGUI
 
#include <brenta/frame_buffer.hpp>
#include <brenta/subsystem.hpp>
 
#include <imgui.h>
#include <imgui_impl_glfw.h>
#include <imgui_impl_opengl3.h>
 
namespace brenta
{
 
class gui : public subsystem
{
public:
 
  class builder;
 
  static const std::string subsystem_name;
 
  // Subsystem interface
  std::expected<void, subsystem::error> initialize() override;
  std::expected<void, subsystem::error> terminate() override;
  std::string name() override;
  bool is_initialized() override;
 
  // Costructors / destructors
  gui() = default;
  ~gui() = default;
 
  // Member functions
  
  static gui &instance();
  
  static void new_frame(types::framebuffer *fb, std::string name = "Game");
  static void render();
 
private:
  
  static bool initialized;
  
};
 
class gui::builder : public subsystem::builder
{
public:
 
  builder() = default;
  ~builder() = default;
  
  brenta::subsystem &build() override;
  
};
  
} // namespace brenta
 
#endif // BRENTA_USE_IMGUI