input.hpp

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/*
  Wizard Engine
  Copyright (C) 2023-2024 Zana Domán
 
  This software is provided 'as-is', without any express or implied
  warranty. In no event will the authors be held liable for any damages
  arising from the use of this software.
 
  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:
 
  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/
 
#ifndef WIZARD_ENGINE_INPUT_HPP
#define WIZARD_ENGINE_INPUT_HPP
 
#include <wizard_engine/assets.hpp>
#include <wizard_engine/enums.hpp>
#include <wizard_engine/export.hpp>
 
namespace wze {
struct finger {
    float absolute_x;
    float absolute_y;
    float relative_x;
    float relative_y;
};
 
struct gesture {
    float x;
    float y;
    float length;
    float angle;
};
 
class input final {
  private:
    static SDL_Keycode _key;
    static std::array<bool, KEY_COUNT> _keys;
    static std::unordered_map<std::string, std::vector<enum key>> _keymaps;
    static float _cursor_absolute_x;
    static float _cursor_absolute_y;
    static float _cursor_relative_x;
    static float _cursor_relative_y;
    static float _mouse_sensitivity;
    static std::unordered_map<size_t, finger> _fingers;
    static std::optional<gesture> _gesture;
    static std::unique_ptr<SDL_Sensor, std::function<void(SDL_Sensor*)>>
        _accelerometer;
    static std::array<float, 3> _accelerometer_xyz;
 
    input() = default;
 
    static void update_key();
 
    static void update_keys();
 
    static void update_cursor();
 
    static void update_fingers();
 
    static void update_gesture();
 
    static void update_accelerometer();
 
  public:
    [[nodiscard]] static bool text_input();
 
    static void set_text_input(bool text_input);
 
    [[nodiscard]] static uint32_t key();
 
    [[nodiscard]] static std::unordered_map<std::string, std::vector<enum key>>&
    keymaps();
 
    [[nodiscard]] static float cursor_absolute_x();
 
    [[nodiscard]] static float cursor_absolute_y();
 
    [[nodiscard]] static float cursor_relative_x();
 
    [[nodiscard]] static float cursor_relative_y();
 
    [[nodiscard]] static float mouse_sensitivity();
 
    static void set_mouse_sensitivity(float mouse_sensitivity);
 
    [[nodiscard]] static bool cursor_visible();
 
    static void set_cursor_visible(bool cursor_visible);
 
    static void
    set_cursor_appearance(std::unique_ptr<cursor, std::function<void(cursor*)>>
                              cursor_appearance);
 
    [[nodiscard]] static std::unordered_map<size_t, finger> const& fingers();
 
    [[nodiscard]] static std::optional<gesture> const& gesture();
 
    [[nodiscard]] static float accelerometer_x();
 
    [[nodiscard]] static float accelerometer_y();
 
    [[nodiscard]] static float accelerometer_z();
 
#ifdef __WIZARD_ENGINE_INTERNAL__
    static void initialize();
#endif /* __WIZARD_ENGINE_INTERNAL__ */
 
#ifdef __WIZARD_ENGINE_INTERNAL__
    static void update();
#endif /* __WIZARD_ENGINE_INTERNAL__ */
 
    [[nodiscard]] static bool key(enum key key);
 
    [[nodiscard]] static bool key(std::string const& name);
 
    [[nodiscard]] static std::pair<float, float> cursor_spatial(float z);
};
} /* namespace wze */
 
#endif /* WIZARD_ENGINE_INPUT_HPP */