router.hpp

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#pragma once
#include "le2d/input/device.hpp"
#include "le2d/input/mapping.hpp"
#include <optional>
 
namespace le::input {
class Router {
  public:
    void push_mapping(gsl::not_null<IMapping*> mapping);
 
    void pop_mapping();
 
    void remove_mapping(gsl::not_null<IMapping const*> mapping);
 
    void clear_stack() { m_mappings.clear(); }
    [[nodiscard]] auto is_stack_empty() const -> bool { return m_mappings.empty(); }
 
    void dispatch(std::span<le::Event const> events);
 
    void disengage();
 
    [[nodiscard]] auto last_used_device() const -> std::optional<Device> { return m_last_used_device; }
 
    [[nodiscard]] auto gamepad_manager() const -> Gamepad::Manager const& { return m_gamepad_manager; }
 
    float nonzero_dead_zone{Gamepad::nonzero_dead_zone_v};
 
  private:
    template <typename F>
    void do_dispatch(F func);
 
    std::vector<gsl::not_null<IMapping*>> m_mappings{};
 
    Gamepad::Manager m_gamepad_manager{};
    std::optional<Device> m_last_used_device{};
};
} // namespace le::input