From 74a94f869c06f6d59a84a9c2ad6072f2586c9ec5 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Thu, 6 Mar 2025 15:32:58 +0300
Subject: [PATCH] refactor: reduce Window references

---
 src/core_defs.cpp                          |  1 -
 src/frontend/hud.cpp                       |  2 +-
 src/frontend/menu.cpp                      |  1 -
 src/frontend/screens/MenuScreen.cpp        |  7 +-
 src/graphics/core/Viewport.hpp             |  4 ++
 src/graphics/render/BlockWrapsRenderer.cpp |  1 -
 src/graphics/render/ModelBatch.cpp         |  1 -
 src/graphics/render/TextsRenderer.cpp      | 13 ++--
 src/graphics/render/WorldRenderer.cpp      |  4 +-
 src/graphics/ui/GUI.cpp                    |  7 +-
 src/graphics/ui/gui_util.cpp               |  8 +--
 src/logic/scripting/lua/libs/libcore.cpp   |  1 -
 src/logic/scripting/lua/libs/libinput.cpp  |  2 +-
 src/window/Camera.cpp                      | 20 +++---
 src/window/Camera.hpp                      |  3 +-
 src/window/Events.cpp                      | 47 +++++++------
 src/window/Events.hpp                      | 76 ++++++++++-----------
 src/window/Window.cpp                      | 31 +++++----
 src/window/Window.hpp                      | 77 +++++++++-------------
 19 files changed, 151 insertions(+), 155 deletions(-)

diff --git a/src/core_defs.cpp b/src/core_defs.cpp
index def96d69..dc6bb37f 100644
--- a/src/core_defs.cpp
+++ b/src/core_defs.cpp
@@ -5,7 +5,6 @@
 #include "content/ContentBuilder.hpp"
 #include "io/io.hpp"
 #include "io/engine_paths.hpp"
-#include "window/Window.hpp"
 #include "window/Events.hpp"
 #include "window/input.hpp"
 #include "voxels/Block.hpp"
diff --git a/src/frontend/hud.cpp b/src/frontend/hud.cpp
index ecf030dd..072e85ce 100644
--- a/src/frontend/hud.cpp
+++ b/src/frontend/hud.cpp
@@ -253,7 +253,7 @@ void Hud::updateHotbarControl() {
         i <= static_cast<int>(keycode::NUM_9); 
         i++
     ) {
-        if (Events::jpressed(i)) {
+        if (Events::jpressed(static_cast<keycode>(i))) {
             player.setChosenSlot(i - static_cast<int>(keycode::NUM_1));
         }
     }
diff --git a/src/frontend/menu.cpp b/src/frontend/menu.cpp
index 3b8e70fb..717b2c72 100644
--- a/src/frontend/menu.cpp
+++ b/src/frontend/menu.cpp
@@ -16,7 +16,6 @@
 #include "settings.hpp"
 #include "coders/commons.hpp"
 #include "util/stringutil.hpp"
-#include "window/Window.hpp"
 
 #include <filesystem>
 #include <glm/glm.hpp>
diff --git a/src/frontend/screens/MenuScreen.cpp b/src/frontend/screens/MenuScreen.cpp
index f16f73ee..e8ce3f4e 100644
--- a/src/frontend/screens/MenuScreen.cpp
+++ b/src/frontend/screens/MenuScreen.cpp
@@ -34,14 +34,15 @@ void MenuScreen::draw(float delta) {
     Window::clear();
     Window::setBgColor(glm::vec3(0.2f));
 
+    uint width = Window::width;
+    uint height = Window::height;
+
     uicamera->setFov(Window::height);
+    uicamera->setAspectRatio(width / static_cast<float>(height));
     auto uishader = assets->get<Shader>("ui");
     uishader->use();
     uishader->uniformMatrix("u_projview", uicamera->getProjView());
 
-    uint width = Window::width;
-    uint height = Window::height;
-
     auto bg = assets->get<Texture>("gui/menubg");
     batch->begin();
     batch->texture(bg);
diff --git a/src/graphics/core/Viewport.hpp b/src/graphics/core/Viewport.hpp
index 7ec826a1..d7579227 100644
--- a/src/graphics/core/Viewport.hpp
+++ b/src/graphics/core/Viewport.hpp
@@ -16,4 +16,8 @@ public:
     glm::ivec2 size() const {
         return glm::ivec2(width, height);
     }
+
+    float getRatio() const {
+        return width / static_cast<float>(height);
+    }
 };
diff --git a/src/graphics/render/BlockWrapsRenderer.cpp b/src/graphics/render/BlockWrapsRenderer.cpp
index da363352..ca10a2b9 100644
--- a/src/graphics/render/BlockWrapsRenderer.cpp
+++ b/src/graphics/render/BlockWrapsRenderer.cpp
@@ -11,7 +11,6 @@
 #include "objects/Player.hpp"
 #include "voxels/Block.hpp"
 #include "voxels/Chunks.hpp"
-#include "window/Window.hpp"
 #include "world/Level.hpp"
 
 BlockWrapsRenderer::BlockWrapsRenderer(
diff --git a/src/graphics/render/ModelBatch.cpp b/src/graphics/render/ModelBatch.cpp
index 558393c6..08deb7bd 100644
--- a/src/graphics/render/ModelBatch.cpp
+++ b/src/graphics/render/ModelBatch.cpp
@@ -6,7 +6,6 @@
 #include "graphics/core/Atlas.hpp"
 #include "graphics/core/Texture.hpp"
 #include "assets/Assets.hpp"
-#include "window/Window.hpp"
 #include "voxels/Chunks.hpp"
 #include "lighting/Lightmap.hpp"
 #include "settings.hpp"
diff --git a/src/graphics/render/TextsRenderer.cpp b/src/graphics/render/TextsRenderer.cpp
index 283dacaa..205b12fa 100644
--- a/src/graphics/render/TextsRenderer.cpp
+++ b/src/graphics/render/TextsRenderer.cpp
@@ -4,11 +4,11 @@
 #include "maths/util.hpp"
 #include "assets/Assets.hpp"
 #include "window/Camera.hpp"
-#include "window/Window.hpp"
 #include "maths/FrustumCulling.hpp"
 #include "graphics/core/Font.hpp"
 #include "graphics/core/Batch3D.hpp"
 #include "graphics/core/Shader.hpp"
+#include "graphics/core/DrawContext.hpp"
 #include "presets/NotePreset.hpp"
 #include "constants.hpp"
 
@@ -66,6 +66,7 @@ void TextsRenderer::renderNote(
         xvec *= 1.0f + scale;
         yvec *= 1.0f + scale;
     }
+    const auto& viewport = context.getViewport();
     if (preset.displayMode == NoteDisplayMode::PROJECTED) {
         float scale = 1.0f;
         if (glm::abs(preset.perspective) > 0.0001f) {
@@ -84,14 +85,14 @@ void TextsRenderer::renderNote(
             }
             pos /= projpos.w;
             pos.z = 0;
-            xvec = {2.0f/Window::width*scale, 0, 0};
-            yvec = {0, 2.0f/Window::height*scale, 0};
+            xvec = {2.0f / viewport.getWidth() * scale, 0, 0};
+            yvec = {0, 2.0f / viewport.getHeight() * scale, 0};
         } else {
             auto matrix = camera.getProjView();
             auto screenPos = matrix * glm::vec4(pos, 1.0f);
-            
-            xvec = glm::vec3(2.0f/Window::width*scale, 0, 0);
-            yvec = glm::vec3(0, 2.0f/Window::height*scale, 0);
+
+            xvec = glm::vec3(2.0f / viewport.getWidth() * scale, 0, 0);
+            yvec = glm::vec3(0, 2.0f / viewport.getHeight() * scale, 0);
 
             pos = screenPos / screenPos.w;
         }
diff --git a/src/graphics/render/WorldRenderer.cpp b/src/graphics/render/WorldRenderer.cpp
index ab140c77..70464a26 100644
--- a/src/graphics/render/WorldRenderer.cpp
+++ b/src/graphics/render/WorldRenderer.cpp
@@ -338,8 +338,8 @@ void WorldRenderer::draw(
 
     auto world = level.getWorld();
 
-    const Viewport& vp = pctx.getViewport();
-    camera.aspect = vp.getWidth() / static_cast<float>(vp.getHeight());
+    const auto& vp = pctx.getViewport();
+    camera.setAspectRatio(vp.getRatio());
 
     const auto& settings = engine.getSettings();
     const auto& worldInfo = world->getInfo();
diff --git a/src/graphics/ui/GUI.cpp b/src/graphics/ui/GUI.cpp
index 95425da4..b4886830 100644
--- a/src/graphics/ui/GUI.cpp
+++ b/src/graphics/ui/GUI.cpp
@@ -115,8 +115,10 @@ void GUI::actMouse(float delta) {
     }
     if (hover) {
         hover->setHover(true);
-        if (Events::scroll) {
-            hover->scrolled(Events::scroll);
+
+        int scroll = Events::getScroll();
+        if (scroll) {
+            hover->scrolled(scroll);
         }
     }
     this->hover = hover;
@@ -229,6 +231,7 @@ void GUI::draw(const DrawContext& pctx, const Assets& assets) {
     }
     menu->setPos((wsize - menu->getSize()) / 2.0f);
     uicamera->setFov(wsize.y);
+    uicamera->setAspectRatio(viewport.getRatio());
 
     auto uishader = assets.get<Shader>("ui");
     uishader->use();
diff --git a/src/graphics/ui/gui_util.cpp b/src/graphics/ui/gui_util.cpp
index 7be277c4..4e9bb70b 100644
--- a/src/graphics/ui/gui_util.cpp
+++ b/src/graphics/ui/gui_util.cpp
@@ -68,11 +68,11 @@ void guiutil::alert(
     ));
     panel->refresh();
 
-    panel->keepAlive(Events::keyCallbacks[keycode::ENTER].add([on_hidden_final](){
+    panel->keepAlive(Events::addKeyCallback(keycode::ENTER, [on_hidden_final](){
         on_hidden_final();
         return true;
     }));
-    panel->keepAlive(Events::keyCallbacks[keycode::ESCAPE].add([on_hidden_final](){
+    panel->keepAlive(Events::addKeyCallback(keycode::ESCAPE, [on_hidden_final](){
         on_hidden_final();
         return true;
     }));
@@ -130,11 +130,11 @@ void guiutil::confirm(
     }));
 
     panel->add(subpanel);
-    panel->keepAlive(Events::keyCallbacks[keycode::ENTER].add([=](){
+    panel->keepAlive(Events::addKeyCallback(keycode::ENTER, [=](){
         on_confirm_final();
         return true;
     }));
-    panel->keepAlive(Events::keyCallbacks[keycode::ESCAPE].add([=](){
+    panel->keepAlive(Events::addKeyCallback(keycode::ESCAPE, [=](){
         on_deny_final();
         return true;
     }));
diff --git a/src/logic/scripting/lua/libs/libcore.cpp b/src/logic/scripting/lua/libs/libcore.cpp
index 2a56644d..a874a4ba 100644
--- a/src/logic/scripting/lua/libs/libcore.cpp
+++ b/src/logic/scripting/lua/libs/libcore.cpp
@@ -18,7 +18,6 @@
 #include "util/listutil.hpp"
 #include "util/platform.hpp"
 #include "window/Events.hpp"
-#include "window/Window.hpp"
 #include "world/Level.hpp"
 #include "world/generator/WorldGenerator.hpp"
 
diff --git a/src/logic/scripting/lua/libs/libinput.cpp b/src/logic/scripting/lua/libs/libinput.cpp
index 09f762ef..f1a748fb 100644
--- a/src/logic/scripting/lua/libs/libinput.cpp
+++ b/src/logic/scripting/lua/libs/libinput.cpp
@@ -42,7 +42,7 @@ static int l_add_callback(lua::State* L) {
         std::string prefix = bindname.substr(0, pos);
         if (prefix == "key") {
             auto key = input_util::keycode_from(bindname.substr(pos + 1));
-            handler = Events::keyCallbacks[key].add(actual_callback);
+            handler = Events::addKeyCallback(key, actual_callback);
         }
     }
     auto callback = [=]() -> bool {
diff --git a/src/window/Camera.cpp b/src/window/Camera.cpp
index 315acf56..042fa584 100644
--- a/src/window/Camera.cpp
+++ b/src/window/Camera.cpp
@@ -3,8 +3,6 @@
 #include <cmath>
 #include <glm/ext.hpp>
 
-#include "Window.hpp"
-
 Camera::Camera(glm::vec3 position, float fov) : fov(fov), position(position) {
     updateVectors();
 }
@@ -30,17 +28,13 @@ void Camera::rotate(float x, float y, float z) {
 }
 
 glm::mat4 Camera::getProjection() const {
-    constexpr float epsilon = 1e-6f; // 0.000001
-    float aspect_ratio = this->aspect;
-    if (std::fabs(aspect_ratio) < epsilon) {
-        aspect_ratio = Window::width / static_cast<float>(Window::height);
-    }
+    constexpr float epsilon = 1e-6f;
     if (perspective) {
-        return glm::perspective(fov * zoom, aspect_ratio, near, far);
+        return glm::perspective(fov * zoom, ar, near, far);
     } else if (flipped) {
-        return glm::ortho(-0.5f, fov * aspect_ratio-0.5f, fov, 0.0f);
+        return glm::ortho(0.0f, fov * ar, fov, 0.0f);
     } else {
-        return glm::ortho(-0.5f, fov * aspect_ratio-0.5f, 0.0f, fov);
+        return glm::ortho(0.0f, fov * ar, 0.0f, fov);
     }
 }
 
@@ -69,5 +63,9 @@ float Camera::getFov() const {
 }
 
 float Camera::getAspectRatio() const {
-    return aspect;
+    return ar;
+}
+
+void Camera::setAspectRatio(float ar) {
+    this->ar = ar;
 }
diff --git a/src/window/Camera.hpp b/src/window/Camera.hpp
index 7d80cf8f..ba4a5331 100644
--- a/src/window/Camera.hpp
+++ b/src/window/Camera.hpp
@@ -5,6 +5,7 @@
 
 class Camera {
     float fov = 1.0f;
+    float ar = 0.0f;
 public:
     glm::vec3 front {};
     glm::vec3 up {};
@@ -17,7 +18,6 @@ public:
     glm::mat4 rotation {1.0f};
     bool perspective = true;
     bool flipped = false;
-    float aspect = 0.0f;
     float near = 0.05f;
     float far = 1500.0f;
 
@@ -37,4 +37,5 @@ public:
     float getFov() const;
 
     float getAspectRatio() const;
+    void setAspectRatio(float ar);
 };
diff --git a/src/window/Events.cpp b/src/window/Events.cpp
index 49cdf929..a76909ec 100644
--- a/src/window/Events.cpp
+++ b/src/window/Events.cpp
@@ -12,18 +12,27 @@ static debug::Logger logger("events");
 
 inline constexpr short _MOUSE_KEYS_OFFSET = 1024;
 
-bool Events::keys[KEYS_BUFFER_SIZE] = {};
-uint Events::frames[KEYS_BUFFER_SIZE] = {};
-uint Events::currentFrame = 0;
+namespace {
+    bool keys[KEYS_BUFFER_SIZE] = {};
+    uint frames[KEYS_BUFFER_SIZE] = {};
+    uint current_frame = 0;
+    bool cursor_drag = false;
+    bool cursor_locked = false;
+    std::unordered_map<keycode, util::HandlersList<>> key_callbacks;
+}
+
 int Events::scroll = 0;
+
 glm::vec2 Events::delta = {};
 glm::vec2 Events::cursor = {};
-bool Events::cursorDrag = false;
-bool Events::cursorLocked = false;
+
 std::vector<uint> Events::codepoints;
 std::vector<keycode> Events::pressedKeys;
 std::unordered_map<std::string, Binding> Events::bindings;
-std::unordered_map<keycode, util::HandlersList<>> Events::keyCallbacks;
+
+int Events::getScroll() {
+    return scroll;
+}
 
 bool Events::pressed(keycode keycode) {
     return pressed(static_cast<int>(keycode));
@@ -41,7 +50,7 @@ bool Events::jpressed(keycode keycode) {
 }
 
 bool Events::jpressed(int keycode) {
-    return Events::pressed(keycode) && frames[keycode] == currentFrame;
+    return Events::pressed(keycode) && frames[keycode] == current_frame;
 }
 
 bool Events::clicked(mousecode button) {
@@ -61,15 +70,15 @@ bool Events::jclicked(int button) {
 }
 
 void Events::toggleCursor() {
-    cursorDrag = false;
-    cursorLocked = !cursorLocked;
+    cursor_drag = false;
+    cursor_locked = !cursor_locked;
     Window::setCursorMode(
-        cursorLocked ? GLFW_CURSOR_DISABLED : GLFW_CURSOR_NORMAL
+        cursor_locked ? GLFW_CURSOR_DISABLED : GLFW_CURSOR_NORMAL
     );
 }
 
 void Events::pollEvents() {
-    currentFrame++;
+    current_frame++;
     delta.x = 0.f;
     delta.y = 0.f;
     scroll = 0;
@@ -155,11 +164,11 @@ bool Events::jactive(const std::string& name) {
 }
 
 void Events::setKey(int key, bool b) {
-    Events::keys[key] = b;
-    Events::frames[key] = currentFrame;
+    ::keys[key] = b;
+    ::frames[key] = current_frame;
     if (b) {
-        const auto& callbacks = keyCallbacks.find(static_cast<keycode>(key));
-        if (callbacks != keyCallbacks.end()) {
+        const auto& callbacks = ::key_callbacks.find(static_cast<keycode>(key));
+        if (callbacks != ::key_callbacks.end()) {
             callbacks->second.notify();
         }
     }
@@ -170,18 +179,18 @@ void Events::setButton(int button, bool b) {
 }
 
 void Events::setPosition(float xpos, float ypos) {
-    if (Events::cursorDrag) {
+    if (::cursor_drag) {
         Events::delta.x += xpos - Events::cursor.x;
         Events::delta.y += ypos - Events::cursor.y;
     } else {
-        Events::cursorDrag = true;
+        ::cursor_drag = true;
     }
     Events::cursor.x = xpos;
     Events::cursor.y = ypos;
 }
 
 observer_handler Events::addKeyCallback(keycode key, KeyCallback callback) {
-    return keyCallbacks[key].add(std::move(callback));
+    return ::key_callbacks[key].add(std::move(callback));
 }
 
 #include "coders/json.hpp"
@@ -251,5 +260,5 @@ void Events::enableBindings() {
 }
 
 bool Events::isCursorLocked() {
-    return cursorLocked;
+    return cursor_locked;
 }
diff --git a/src/window/Events.hpp b/src/window/Events.hpp
index 92a97ab0..a213cea0 100644
--- a/src/window/Events.hpp
+++ b/src/window/Events.hpp
@@ -15,56 +15,52 @@ enum class BindType {
     REBIND = 1
 };
 
-class Events {
-    static bool keys[KEYS_BUFFER_SIZE];
-    static uint frames[KEYS_BUFFER_SIZE];
-    static uint currentFrame;
-    static bool cursorDrag;
-    static bool cursorLocked;
-public:
-    static int scroll;
-    static glm::vec2 delta;
-    static glm::vec2 cursor;
-    static std::vector<uint> codepoints;
-    static std::vector<keycode> pressedKeys;
-    static std::unordered_map<std::string, Binding> bindings;
-    static std::unordered_map<keycode, util::HandlersList<>> keyCallbacks;
+namespace Events {
+    extern int scroll;
+    extern glm::vec2 delta;
+    extern glm::vec2 cursor;
+    extern std::vector<uint> codepoints;
+    extern std::vector<keycode> pressedKeys;
+    extern std::unordered_map<std::string, Binding> bindings;
 
-    static void pollEvents();
+    void pollEvents();
 
-    static bool pressed(keycode keycode);
-    static bool pressed(int keycode);
-    static bool jpressed(keycode keycode);
-    static bool jpressed(int keycode);
+    int getScroll();
 
-    static bool clicked(mousecode button);
-    static bool clicked(int button);
-    static bool jclicked(mousecode button);
-    static bool jclicked(int button);
+    bool pressed(keycode keycode);
+    bool pressed(int keycode);
+    bool jpressed(keycode keycode);
+    bool jpressed(int keycode);
 
-    static void toggleCursor();
+    bool clicked(mousecode button);
+    bool clicked(int button);
+    bool jclicked(mousecode button);
+    bool jclicked(int button);
 
-    static Binding& getBinding(const std::string& name);
-    static void bind(const std::string& name, inputtype type, keycode code);
-    static void bind(const std::string& name, inputtype type, mousecode code);
-    static void bind(const std::string& name, inputtype type, int code);
-    static void rebind(const std::string& name, inputtype type, int code);
-    static bool active(const std::string& name);
-    static bool jactive(const std::string& name);
+    void toggleCursor();
 
-    static observer_handler addKeyCallback(keycode key, KeyCallback callback);
+    Binding& getBinding(const std::string& name);
+    void bind(const std::string& name, inputtype type, keycode code);
+    void bind(const std::string& name, inputtype type, mousecode code);
+    void bind(const std::string& name, inputtype type, int code);
+    void rebind(const std::string& name, inputtype type, int code);
+    bool active(const std::string& name);
+    bool jactive(const std::string& name);
 
-    static void setKey(int key, bool b);
-    static void setButton(int button, bool b);
+    observer_handler addKeyCallback(keycode key, KeyCallback callback);
 
-    static void setPosition(float xpos, float ypos);
+    void setKey(int key, bool b);
+    void setButton(int button, bool b);
 
-    static std::string writeBindings();
-    static void loadBindings(
-        const std::string& filename, const std::string& source,
+    void setPosition(float xpos, float ypos);
+
+    std::string writeBindings();
+    void loadBindings(
+        const std::string& filename,
+        const std::string& source,
         BindType bindType
     );
-    static void enableBindings();
+    void enableBindings();
 
-    static bool isCursorLocked();
+    bool isCursorLocked();
 };
diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 4e68877f..5a3d675f 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -19,18 +19,21 @@
 
 static debug::Logger logger("window");
 
-GLFWwindow* Window::window = nullptr;
-DisplaySettings* Window::settings = nullptr;
-std::stack<glm::vec4> Window::scissorStack;
-glm::vec4 Window::scissorArea;
+namespace {
+    GLFWwindow* window = nullptr;
+    DisplaySettings* settings = nullptr;
+    std::stack<glm::vec4> scissorStack;
+    glm::vec4 scissorArea;
+    int framerate = -1;
+    double prevSwap = 0.0;
+    bool fullscreen = false;
+    CursorShape cursor = CursorShape::ARROW;
+    int posX = 0;
+    int posY = 0;
+}
+
 uint Window::width = 0;
 uint Window::height = 0;
-int Window::posX = 0;
-int Window::posY = 0;
-int Window::framerate = -1;
-double Window::prevSwap = 0.0;
-bool Window::fullscreen = false;
-CursorShape Window::cursor = CursorShape::ARROW;
 
 static util::ObjectsKeeper observers_keeper;
 static std::unordered_set<std::string> extensionsCache;
@@ -173,7 +176,7 @@ static void glfw_error_callback(int error, const char* description) {
 static GLFWcursor* standard_cursors[static_cast<int>(CursorShape::LAST) + 1] = {};
 
 int Window::initialize(DisplaySettings* settings) {
-    Window::settings = settings;
+    ::settings = settings;
     Window::width = settings->width.get();
     Window::height = settings->height.get();
 
@@ -381,10 +384,10 @@ void Window::setShouldClose(bool flag) {
 }
 
 void Window::setFramerate(int framerate) {
-    if ((framerate != -1) != (Window::framerate != -1)) {
+    if ((framerate != -1) != (::framerate != -1)) {
         glfwSwapInterval(framerate == -1);
     }
-    Window::framerate = framerate;
+    ::framerate = framerate;
 }
 
 void Window::toggleFullscreen() {
@@ -472,7 +475,7 @@ void Window::setClipboardText(const char* text) {
     glfwSetClipboardString(window, text);
 }
 
-bool Window::tryToMaximize(GLFWwindow* window, GLFWmonitor* monitor) {
+static bool try_to_maximize(GLFWwindow* window, GLFWmonitor* monitor) {
     glm::ivec4 windowFrame(0);
     glm::ivec4 workArea(0);
     glfwGetWindowFrameSize(
diff --git a/src/window/Window.hpp b/src/window/Window.hpp
index b81da395..289648f0 100644
--- a/src/window/Window.hpp
+++ b/src/window/Window.hpp
@@ -10,60 +10,45 @@
 
 class ImageData;
 struct DisplaySettings;
-struct GLFWwindow;
-struct GLFWmonitor;
 
-class Window {
-    static GLFWwindow* window;
-    static DisplaySettings* settings;
-    static std::stack<glm::vec4> scissorStack;
-    static glm::vec4 scissorArea;
-    static bool fullscreen;
-    static int framerate;
-    static double prevSwap;
-    static CursorShape cursor;
+namespace Window {
+    extern uint width;
+    extern uint height;
 
-    static bool tryToMaximize(GLFWwindow* window, GLFWmonitor* monitor);
-    static bool isGlExtensionSupported(const char *extension);
-public:
-    static int posX;
-    static int posY;
-    static uint width;
-    static uint height;
-    static int initialize(DisplaySettings* settings);
-    static void terminate();
+    int initialize(DisplaySettings* settings);
+    void terminate();
 
-    static void viewport(int x, int y, int width, int height);
-    static void setCursorMode(int mode);
-    static bool isShouldClose();
-    static void setShouldClose(bool flag);
-    static void swapBuffers();
-    static void setFramerate(int interval);
-    static void toggleFullscreen();
-    static bool isFullscreen();
-    static bool isMaximized();
-    static bool isFocused();
-    static bool isIconified();
+    void viewport(int x, int y, int width, int height);
+    void setCursorMode(int mode);
+    bool isShouldClose();
+    void setShouldClose(bool flag);
+    void swapBuffers();
+    void setFramerate(int interval);
+    void toggleFullscreen();
+    bool isFullscreen();
+    bool isMaximized();
+    bool isFocused();
+    bool isIconified();
 
-    static void pushScissor(glm::vec4 area);
-    static void popScissor();
-    static void resetScissor();
+    void pushScissor(glm::vec4 area);
+    void popScissor();
+    void resetScissor();
 
-    static void setCursor(CursorShape shape);
+    void setCursor(CursorShape shape);
 
-    static void clear();
-    static void clearDepth();
-    static void setBgColor(glm::vec3 color);
-    static void setBgColor(glm::vec4 color);
-    static double time();
-    static const char* getClipboardText();
-    static void setClipboardText(const char* text);
-    static DisplaySettings* getSettings();
-    static void setIcon(const ImageData* image);
+    void clear();
+    void clearDepth();
+    void setBgColor(glm::vec3 color);
+    void setBgColor(glm::vec4 color);
+    double time();
+    const char* getClipboardText();
+    void setClipboardText(const char* text);
+    DisplaySettings* getSettings();
+    void setIcon(const ImageData* image);
 
-    static glm::vec2 size() {
+    inline glm::vec2 size() {
         return glm::vec2(width, height);
     }
 
-    static std::unique_ptr<ImageData> takeScreenshot();
+    std::unique_ptr<ImageData> takeScreenshot();
 };