Input.hpp

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#ifndef INPUT_HPP
#define INPUT_HPP
#include <string_view>
 
namespace engine::platform {
    enum KeyId {
        MOUSE_BUTTON_1 = 0,
        MOUSE_BUTTON_2,
        MOUSE_BUTTON_3,
        MOUSE_BUTTON_4,
        MOUSE_BUTTON_5,
        MOUSE_BUTTON_6,
        MOUSE_BUTTON_7,
        MOUSE_BUTTON_8,
        MOUSE_BUTTON_LAST,
        MOUSE_BUTTON_LEFT,
        MOUSE_BUTTON_RIGHT,
        MOUSE_BUTTON_MIDDLE,
        KEY_SPACE,
        KEY_APOSTROPHE,
        KEY_COMMA,
        KEY_MINUS,
        KEY_PERIOD,
        KEY_SLASH,
        KEY_0,
        KEY_1,
        KEY_2,
        KEY_3,
        KEY_4,
        KEY_5,
        KEY_6,
        KEY_7,
        KEY_8,
        KEY_9,
        KEY_SEMICOLON,
        KEY_EQUAL,
        KEY_A,
        KEY_B,
        KEY_C,
        KEY_D,
        KEY_E,
        KEY_F,
        KEY_G,
        KEY_H,
        KEY_I,
        KEY_J,
        KEY_K,
        KEY_L,
        KEY_M,
        KEY_N,
        KEY_O,
        KEY_P,
        KEY_Q,
        KEY_R,
        KEY_S,
        KEY_T,
        KEY_U,
        KEY_V,
        KEY_W,
        KEY_X,
        KEY_Y,
        KEY_Z,
        KEY_LEFT_BRACKET,
        KEY_BACKSLASH,
        KEY_RIGHT_BRACKET,
        KEY_GRAVE_ACCENT,
        KEY_WORLD_1,
        KEY_WORLD_2,
        KEY_ESCAPE,
        KEY_ENTER,
        KEY_TAB,
        KEY_BACKSPACE,
        KEY_INSERT,
        KEY_DELETE,
        KEY_RIGHT,
        KEY_LEFT,
        KEY_DOWN,
        KEY_UP,
        KEY_PAGE_UP,
        KEY_PAGE_DOWN,
        KEY_HOME,
        KEY_END,
        KEY_CAPS_LOCK,
        KEY_SCROLL_LOCK,
        KEY_NUM_LOCK,
        KEY_PRINT_SCREEN,
        KEY_PAUSE,
        KEY_F1,
        KEY_F2,
        KEY_F3,
        KEY_F4,
        KEY_F5,
        KEY_F6,
        KEY_F7,
        KEY_F8,
        KEY_F9,
        KEY_F10,
        KEY_F11,
        KEY_F12,
        KEY_F13,
        KEY_F14,
        KEY_F15,
        KEY_F16,
        KEY_F17,
        KEY_F18,
        KEY_F19,
        KEY_F20,
        KEY_F21,
        KEY_F22,
        KEY_F23,
        KEY_F24,
        KEY_F25,
        KEY_KP_0,
        KEY_KP_1,
        KEY_KP_2,
        KEY_KP_3,
        KEY_KP_4,
        KEY_KP_5,
        KEY_KP_6,
        KEY_KP_7,
        KEY_KP_8,
        KEY_KP_9,
        KEY_KP_DECIMAL,
        KEY_KP_DIVIDE,
        KEY_KP_MULTIPLY,
        KEY_KP_SUBTRACT,
        KEY_KP_ADD,
        KEY_KP_ENTER,
        KEY_KP_EQUAL,
        KEY_LEFT_SHIFT,
        KEY_LEFT_CONTROL,
        KEY_LEFT_ALT,
        KEY_LEFT_SUPER,
        KEY_RIGHT_SHIFT,
        KEY_RIGHT_CONTROL,
        KEY_RIGHT_ALT,
        KEY_RIGHT_SUPER,
        KEY_MENU,
        KEY_COUNT,
    };
 
    class Key final {
        friend class PlatformController;
 
    public:
        enum class State {
            Released,
            JustPressed,
            Pressed,
            JustReleased
        };
 
        State &state() {
            return m_state;
        }
 
        KeyId id() const {
            return m_key;
        }
 
        std::string_view name();
 
        State state() const {
            return m_state;
        }
 
        std::string_view state_str() const;
 
        bool is_down() const {
            return (m_state == State::Pressed || m_state == State::JustPressed);
        }
 
        bool is_up() const {
            return (m_state == State::Released || m_state == State::JustReleased);
        }
 
    private:
        KeyId m_key   = KEY_COUNT;
        State m_state = State::Released;
    };
 
    struct MousePosition {
        float x;
        float y;
        float dx;
        float dy;
 
        float scroll;
    };
}
#endif //INPUT_HPP