project_settings.hpp

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#pragma once
#include <array>
#include <filesystem>
#include <format>
#include <string>
#include <string_view>
#include <toast/assets/types.hpp>
#include <toast/export.hpp>
#include <vector>
 
namespace toast {
 
class TOAST_API GameplaySettings {
public:
  [[nodiscard]]
  auto initScene() const {
    return m_init_scene;
  }
 
  [[nodiscard]]
  auto player() const {
    return m_player;
  }
 
private:
  friend class ProjectSettings;
  assets::Handle<assets::Prefab> m_init_scene;
  assets::Handle<assets::Prefab> m_player;
};
 
class TOAST_API UISettings {
public:
  [[nodiscard]]
  auto colorScheme() const {
    return m_color_scheme;
  }

  [[nodiscard]]
  auto languages() const -> const std::vector<std::string>& {
    return m_languages;
  }
 
private:
  friend class ProjectSettings;
  assets::Handle<assets::ColorScheme> m_color_scheme;
  std::vector<std::string> m_languages {"en"};
};
 
class TOAST_API PhysicsSettings {
private:
  ;
};
 
class TOAST_API ProjectSettings {
public:
  explicit ProjectSettings(const std::filesystem::path& path);
 
  static auto get() -> ProjectSettings* { return instance; }
 
  static auto name() -> std::string_view { return instance->m_name; }
 
  static auto version() -> std::string {
    return std::format("v{}.{}.{}", instance->m_version[0], instance->m_version[1], instance->m_version[2]);
  }

  static auto databases() -> const std::vector<std::string>& { return instance->m_databases; }
 
  static auto gameplaySettings() -> const GameplaySettings& { return instance->m_gameplay_settings; }
 
  static auto uiSettings() -> const UISettings& { return instance->m_ui_settings; }

  static auto maxTickRate() -> unsigned { return instance != nullptr ? instance->m_max_tick_rate : k_default_max_tick_rate; }
 
private:
  static constexpr unsigned k_default_max_tick_rate = 500;
  static inline ProjectSettings* instance = nullptr;
  std::string m_name;
  std::array<unsigned, 3> m_version {1, 0, 0};
  std::vector<std::string> m_databases;
  GameplaySettings m_gameplay_settings;
  UISettings m_ui_settings;
  unsigned m_max_tick_rate = k_default_max_tick_rate;
};
 
}