cpp-game-engine/graphics/include/game/graphics/manager.hpp

//
//  manager.hpp
//  graphics
//
//  Created by Sam Jaffe on 5/25/19.
//  Copyright © 2019 Sam Jaffe. All rights reserved.
//

#pragma once

#include <unordered_map>

#include "game/util/identity.hpp"

namespace graphics {
  namespace shaders {
    enum class type : unsigned int;
  }
  class material;
  class shader;
  class shader_program;
  class texture;

  class manager {
  public:
    manager();
    ~manager();

    identity<material> get(identity<shader_program> program,
                           std::string const & texture,
                           std::string const & uniform) const;
    identity<shader> get(shaders::type type, std::string const & path) const;
    identity<shader_program> get(std::string const & fragment,
                                 std::string const & vertex) const;
    identity<texture> get(std::string const & path) const;

    material const & get(identity<material> identity) const;

  private:
    identity<texture> texture_or_uniform(std::string const & path,
                                         std::string const & uniform) const;

    std::unique_ptr<struct manager_impl> pimpl_;
  };
}