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#pragma once
#include "nes/app/input/input-device.hh"
#include "nes/common/list.hh"
#include <string_view>
namespace nes::app
{
/// A game controller input device.
class input_device_controller : public input_device, public list<input_device_controller>::node
{
public:
enum class index
{
unused = -1,
player_1 = 0,
player_2 = 1,
};
/// Indicates whether the controller can be trusted to actually exist.
///
/// If this returns false, the controller is not automatically selected on startup if there is no other
/// controller already selected.
virtual auto is_reliable() const -> bool = 0;
/// Human-readable name for the controller.
virtual auto get_name() const -> std::string_view = 0;
/// Get the (persistent) player index for the controller, if already set before.
virtual auto get_index() const -> index = 0;
/// Set the (persistent) player index for the controller.
virtual auto set_index(index) -> void = 0;
protected:
explicit input_device_controller() = default;
};
} // namespace nes::app
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