input.hpp

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#pragma once
 
#include "define.hpp"
 
#include <GLFW/glfw3.h>
 
#include <queue>
#include <mutex>
 
class Input
{
 
public:
 
    enum class KeyState
    {
        RELEASED = GLFW_RELEASE,
        PRESSED = GLFW_PRESS,
        REPEATED = GLFW_REPEAT,
        NONE
    };
 
    Input(GLFWwindow* glfwWindow);
 
    ~Input();
 
    KeyState getKeyState(int key);
 
    KeyState getMouseButtonState(int button);
 
    void getCursorPos(double & xpos, double & ypos);
 
    bool isCursorCaptured()
    {
        std::lock_guard lock(m_cursor_mutex);
        return m_cursor_captured;
    }
 
    void getScroll(double & xoffset, double & yoffset);
 
private:
 
    std::queue<KeyState> m_key_state[GLFW_KEY_LAST];
    std::mutex m_key_state_mutex;
 
    std::queue<KeyState> m_mouse_button_state[GLFW_MOUSE_BUTTON_LAST];
    std::mutex m_mouse_button_state_mutex;
 
    double m_cursor_x;
    double m_cursor_y;
    bool m_cursor_captured = false;
    std::mutex m_cursor_mutex;
 
    double m_scroll_x;
    double m_scroll_y;
    std::mutex m_scroll_mutex;
 
    GLFWwindow* m_window;
 
    static void keyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
 
    static void mouseButtonCallback(GLFWwindow* window, int button, int action, int mods);
 
    static void cursorPosCallback(GLFWwindow* window, double xpos, double ypos);
 
    static void mouseScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
 
};