camera.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_CAMERA_HPP
#define WIZARD_ENGINE_CAMERA_HPP
 
#include <wizard_engine/export.hpp>
#include <wizard_engine/renderable.hpp>
 
namespace wze {
class camera final {
  private:
    static float _x;
    static float _y;
    static float _z;
    static float _angle;
    static std::array<float, 4> _transformation_matrix;
    static float _focus;
 
    camera() = default;
 
  public:
    [[nodiscard]] static float x();
 
    static void set_x(float x);
 
    [[nodiscard]] static float y();
 
    static void set_y(float y);
 
    [[nodiscard]] static float z();
 
    static void set_z(float z);
 
    [[nodiscard]] static float angle();
 
    static void set_angle(float angle);
 
    [[nodiscard]] static std::array<float, 4> const& transformation_matrix();
 
    [[nodiscard]] static float focus();
 
    static void set_focus(float focus);
 
#ifdef __WIZARD_ENGINE_INTERNAL__
    static void initialize();
#endif /* __WIZARD_ENGINE_INTERNAL__ */
 
#ifdef __WIZARD_ENGINE_INTERNAL__
    static void project(renderable& instance);
#endif /* __WIZARD_ENGINE_INTERNAL__ */
 
    [[nodiscard]] static std::pair<float, float> project(float x, float y,
                                                         float z);
 
    [[nodiscard]] static std::pair<float, float> unproject(float x, float y,
                                                           float z);
};
} /* namespace wze */
 
#endif /* WIZARD_ENGINE_CAMERA_HPP */