GLFWWindow.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/Macros.hpp"
 
#include "CeresEngine/Foundation/Container/Map.hpp"
 
#include "CeresEngine/Input/InputState.hpp"
#include "CeresEngine/Platform/PlatformWindow.hpp"
 
using GLFWwindow = struct GLFWwindow;
 
namespace CeresEngine {
 
    class GLFWWindow final : public PlatformWindow {
    public:
        enum class API {
            OpenGL,
            None
        };
 
    private:
        GLFWwindow* mWindow;
 
        PlatformWindowProperties mProperties;
 
        String mTitle;
 
        struct DragState {
            bool active = false;
            Vector2 lastPosition;
        };
        HashMap<Button, DragState> mDragStates;
 
        ModifierButton mModifierButtons;
 
        InputState mState;
 
    public:
        explicit GLFWWindow(double width = 800.0, double height = 600.0, const String& title = "Game Engine", API api = API::None);
 
        GLFWWindow(const GLFWWindow&) = delete;
        GLFWWindow& operator=(const GLFWWindow&) = delete;
 
        ~GLFWWindow() final;
 
    public:
        void activate() final;
 
        void deactivate() final;
 
    public:
        [[nodiscard]] String getTitle() const final;
 
        void setTitle(const String& title) final;
 
        [[nodiscard]] Vector2 getSize() const final;
 
        void resize(double width, double height) final;
 
        void close() final;
 
        [[nodiscard]] bool isFullscreen() const final;
 
        void setFullscreen(bool fullscreen) final;
 
        [[nodiscard]] double getScalingFactor() const final;
 
    public:
        [[nodiscard]] GLFWwindow* getHandle() const;
 
    public:
        [[nodiscard]] static Vector<const char*> getVulkanInstanceExtensions();
 
    public:
        [[nodiscard]] static GLFWWindow* fromHandle(GLFWwindow* handle);
 
    private:
        void keyboardCallback(int key, int scancode, int action, int modifiers);
 
        void charCallback(int unicodeChar);
 
        void mouseButtonCallback(int button, int action, int modifiers);
 
        void mousePositionCallback(double x, double y);
 
        void mouseScrollCallback(double x, double y);
    };
 
} // namespace CeresEngine