mapper.hpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef ANTKEEPER_INPUT_MAPPER_HPP
#define ANTKEEPER_INPUT_MAPPER_HPP
 
#include <engine/event/subscription.hpp>
#include <engine/event/dispatcher.hpp>
#include <engine/event/publisher.hpp>
#include <engine/input/gamepad-events.hpp>
#include <engine/input/keyboard-events.hpp>
#include <engine/input/mouse-events.hpp>
#include <engine/input/mapping-events.hpp>
#include <memory>
#include <vector>
 
namespace input {
 
class mapper
{
public:
    void connect(::event::dispatcher& dispatcher);
    
    void disconnect();
    
    [[nodiscard]] inline ::event::channel<gamepad_axis_mapped_event>& get_gamepad_axis_mapped_channel() noexcept
    {
        return gamepad_axis_mapped_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<gamepad_button_mapped_event>& get_gamepad_button_mapped_channel() noexcept
    {
        return gamepad_button_mapped_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<key_mapped_event>& get_key_mapped_channel() noexcept
    {
        return key_mapped_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<mouse_button_mapped_event>& get_mouse_button_mapped_channel() noexcept
    {
        return mouse_button_mapped_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<mouse_motion_mapped_event>& get_mouse_motion_mapped_channel() noexcept
    {
        return mouse_motion_mapped_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<mouse_scroll_mapped_event>& get_mouse_scroll_mapped_channel() noexcept
    {
        return mouse_scroll_mapped_publisher.channel();
    }
    
private:
    void handle_gamepad_axis_moved(const gamepad_axis_moved_event& event);
    void handle_gamepad_button_pressed(const gamepad_button_pressed_event& event);
    void handle_key_pressed(const key_pressed_event& event);
    void handle_mouse_button_pressed(const mouse_button_pressed_event& event);
    void handle_mouse_moved(const mouse_moved_event& event);
    void handle_mouse_scrolled(const mouse_scrolled_event& event);
    
    std::vector<std::shared_ptr<::event::subscription>> subscriptions;
    ::event::publisher<gamepad_axis_mapped_event> gamepad_axis_mapped_publisher;
    ::event::publisher<gamepad_button_mapped_event> gamepad_button_mapped_publisher;
    ::event::publisher<key_mapped_event> key_mapped_publisher;
    ::event::publisher<mouse_button_mapped_event> mouse_button_mapped_publisher;
    ::event::publisher<mouse_motion_mapped_event> mouse_motion_mapped_publisher;
    ::event::publisher<mouse_scroll_mapped_event> mouse_scroll_mapped_publisher;
};
 
} // namespace input
 
#endif // ANTKEEPER_INPUT_MAPPER_HPP