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#pragma once
#include <utility>
#include "System.h"
#include "../api/Event.h"
#include "../api/Button.h"
#include "../api/Transform.h"
namespace crepe {
class InputSystem : public System {
public:
using System::System;
void update() override;
void process_events();
private:
std::pair<int, int> last_mouse_down_position{-1, -1};
MouseButton last_mouse_button = MouseButton::NONE;
const int click_tolerance = 5;
void handle_click(const MouseReleaseEvent);
void handle_move(const MouseMoveEvent);
Transform* find_transform_for_button(Button &button, std::vector<std::reference_wrapper<Transform>> &transforms);
bool is_mouse_inside_button(const MouseReleaseEvent &event, const Button &button, const Transform &transform);
void handle_button_press(Button &button, const MouseReleaseEvent &event);
};
} // namespace crepe
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