mouse.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_MOUSE_HPP
#define ANTKEEPER_INPUT_MOUSE_HPP
 
#include <engine/input/device.hpp>
#include <engine/input/mouse-events.hpp>
#include <engine/input/mouse-button.hpp>
#include <engine/event/publisher.hpp>
#include <engine/math/vector.hpp>
#include <cstdint>
 
namespace input {
 
class mouse: public device
{
public:
    void press(mouse_button button);
    
    void release(mouse_button button);
    
    void move(const math::vec2<std::int32_t>& position, const math::vec2<std::int32_t>& difference);
    
    void scroll(const math::fvec2& velocity);
    
    [[nodiscard]] inline const math::vec2<std::int32_t>& get_position() const noexcept
    {
        return position;
    }
    
    [[nodiscard]] inline ::event::channel<mouse_button_pressed_event>& get_button_pressed_channel() noexcept
    {
        return button_pressed_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<mouse_button_released_event>& get_button_released_channel() noexcept
    {
        return button_released_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<mouse_moved_event>& get_moved_channel() noexcept
    {
        return moved_publisher.channel();
    }
    
    [[nodiscard]] inline ::event::channel<mouse_scrolled_event>& get_scrolled_channel() noexcept
    {
        return scrolled_publisher.channel();
    }
    
    [[nodiscard]] inline constexpr device_type get_device_type() const noexcept override
    {
        return device_type::mouse;
    }
    
private:
    math::vec2<std::int32_t> position{0, 0};
    
    ::event::publisher<mouse_button_pressed_event> button_pressed_publisher;
    ::event::publisher<mouse_button_released_event> button_released_publisher;
    ::event::publisher<mouse_moved_event> moved_publisher;
    ::event::publisher<mouse_scrolled_event> scrolled_publisher;
};
 
} // namespace input
 
#endif // ANTKEEPER_INPUT_MOUSE_HPP