InputCtl.hpp

#pragma once

#include "check_gl.hpp"
#include <memory>
#include <glm/glm.hpp>
#include "KeyBinding.hpp"

struct InputCtl {
    struct Private;
    std::unique_ptr<Private> const m_private;

    struct InputPreference {
        float zoom_speed = 0.2f;
        float orbit_speed = 1.0f;
        float drift_speed = 1.0f;
        float pan_speed = 2.0f;
        MouseBinding orbit_binding = {Modifier::kNone, MouseButton::kLMB};
        MouseBinding drift_binding = {Modifier::kCtrl, MouseButton::kLMB};
        MouseBinding pan_binding = {Modifier::kShift, MouseButton::kLMB};
        MouseBinding zoom_binding = {Modifier::kNone, MouseButton::kWheel};
        MouseBinding hitchcock_binding = {Modifier::kShift, MouseButton::kWheel};
        // Familiar binding for Blender and Zeno users:
        /* MouseBinding orbit_binding = {Modifier::kNone, MouseButton::kMMB}; */
        /* MouseBinding drift_binding = {Modifier::kCtrl, MouseButton::kMMB}; */
        /* MouseBinding pan_binding = {Modifier::kShift, MouseButton::kMMB}; */
        /* MouseBinding zoom_binding = {Modifier::kNone, MouseButton::kWheel}; */
        /* MouseBinding hitchcock_binding = {Modifier::kShift, MouseButton::kWheel}; */
        int zoom_axis = 1;
        bool clamp_cursor = true;
    } m_inputPref;

private:
    void cursor_pos_callback(double xpos, double ypos);
    void mouse_button_callback(int button, int action, int mods);
    void scroll_callback(double xoffset, double yoffset);
    void key_callback(int key, int scancode, int action, int mods);
    void framebuffer_size_callback(int width, int height);

public:
    InputCtl();
    ~InputCtl();
    InputCtl(InputCtl &&) = delete;

    void register_callbacks(GLFWwindow *window);

    glm::vec2 get_cursor_pos();
    glm::mat4x4 get_view_matrix();
    glm::mat4x4 get_projection_matrix();
};