Begin Repo

.vscode/settings.json

@@ -0,0 +1,58 @@
+{
+    "C_Cpp.errorSquiggles": "disabled",
+    "files.associations": {
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "cctype": "cpp",
+        "chrono": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "cinttypes": "cpp",
+        "typeinfo": "cpp"
+    }
+}

events/event.cpp

@@ -0,0 +1,9 @@
+#include "event.h"
+
+Event::Event() {
+
+}
+
+Event::~Event()
+{
+}

events/event.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "terminal.h"
+
+enum class EventType {
+    None = 0,
+    WindowClose, WindowResize, WindowFocus, WindowLostFocus, WindowMoved,
+    KeyPressed, KeyReleased, KeyTyped,
+    MouseButtonPressed, MouseButtonReleased, MouseMoved, MouseScrolled
+};
+
+class Event {
+
+    public:
+    Event();
+    virtual ~Event();
+
+    virtual EventType getType() const = 0;
+
+};

events/eventHandler.cpp

@@ -0,0 +1,39 @@
+#include "eventHandler.h"
+#include "application.h"
+
+EventHandler::EventHandler() {
+
+}
+
+bool EventHandler::handleEvent(const Event* e, Layer* layer) {
+    //std::cout << (int)e->getType() << '\n';
+    switch(e->getType()) {
+        case EventType::KeyPressed:
+            return layer->onKeyPressed(static_cast<const KeyEvent*>(e));
+        case EventType::KeyReleased:
+            return layer->onKeyReleased(static_cast<const KeyEvent*>(e));
+        case EventType::KeyTyped:
+            return layer->onKeyTyped(static_cast<const KeyTypedEvent*>(e));
+        case EventType::MouseButtonPressed:
+            return layer->onMouseButtonPressed(static_cast<const MouseButtonEvent*>(e));
+        case EventType::MouseButtonReleased:
+            return layer->onMouseButtonReleased(static_cast<const MouseButtonEvent*>(e));
+        case EventType::MouseScrolled:
+            return layer->onMouseScrolled(static_cast<const MouseScrolledEvent*>(e));
+        case EventType::MouseMoved:
+            return layer->onMouseMoved(static_cast<const MouseMovedEvent*>(e));
+        case EventType::WindowClose:
+            return layer->onWindowClose(static_cast<const WindowEvent*>(e));
+        case EventType::WindowFocus:
+            return layer->onWindowFocus(static_cast<const WindowEvent*>(e));
+        case EventType::WindowLostFocus:
+            return layer->onWindowFocusLost(static_cast<const WindowEvent*>(e));
+        case EventType::WindowMoved:
+            return layer->onWindowMoved(static_cast<const WindowEvent*>(e));
+        case EventType::WindowResize:
+            return layer->onWindowResize(static_cast<const WindowEvent*>(e));
+        //default:
+
+    }
+    return false;
+}

events/eventHandler.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "event.h"
+
+
+class EventHandler {
+
+    public:
+    EventHandler();
+
+    bool handleEvent(const Event*, Layer*);
+};

events/keyEvent.cpp

@@ -0,0 +1,10 @@
+#include "keyEvent.h"
+
+KeyEvent::KeyEvent(int k, int s, int m, int r, bool p) : key(k), scancode(s), mod(m), repeat(r), pressed(p) {
+    
+}
+
+KeyTypedEvent::KeyTypedEvent(int w, char* t) : windowID(w), text(t)
+{
+
+}

events/keyEvent.h

@@ -0,0 +1,28 @@
+#include "terminal.h"
+#include "event.h"
+
+class KeyEvent : public Event {
+    const int key;
+    const int scancode;
+    const int mod;
+    const int repeat;
+    const bool pressed;
+    public:
+    KeyEvent(int, int, int, int, bool);
+    inline int getKey() const { return key; }
+    inline int getScancode() const { return scancode; }
+    inline int getMod() const { return mod; }
+    inline bool getPressed() const { return pressed; }
+    EventType getType() const { return pressed ? EventType::KeyPressed : EventType::KeyReleased; }
+};
+
+class KeyTypedEvent : public Event {
+    const std::string text;
+    const int windowID;
+
+    public:
+    KeyTypedEvent(int, char*);
+    inline int getWindowID() const { return windowID; }
+    inline const char* getText() const { return text.c_str(); }
+    EventType getType() const { return EventType::KeyTyped; }
+};

events/mouseEvent.cpp

@@ -0,0 +1,13 @@
+#include "mouseEvent.h"
+
+MouseButtonEvent::MouseButtonEvent(int b, bool p) : button(b), pressed(p) {
+
+}
+
+MouseMovedEvent::MouseMovedEvent(int _x, int _y, double _dx, double _dy) : x(_x), y(_y), dx(_dx), dy(_dy) {
+
+}
+
+MouseScrolledEvent::MouseScrolledEvent(int _x, int _y) : x(_x), y(_y) {
+    
+}

events/mouseEvent.h

@@ -0,0 +1,33 @@
+#include "terminal.h"
+#include "event.h"
+
+class MouseButtonEvent : public Event {
+    const int button;
+    const bool pressed;
+    public:
+    MouseButtonEvent(int, bool);
+    inline int getButton() const { return button; }
+    inline bool getPressed() const { return pressed; }
+    EventType getType() const { return pressed ? EventType::MouseButtonPressed : EventType::MouseButtonReleased; }
+};
+
+class MouseMovedEvent : public Event {
+    const int x, y;
+    const double dx, dy;
+    public:
+    MouseMovedEvent(int, int, double, double);
+    inline int getX() const { return x; }
+    inline int getY() const { return y; }
+    inline double getDeltaX() const { return dx; }
+    inline double getDeltaY() const { return dy; }
+    EventType getType() const { return EventType::MouseMoved; }
+};
+
+class MouseScrolledEvent : public Event {
+    const int x, y;
+    public:
+    MouseScrolledEvent(int, int);
+    inline int getX() const { return x; }
+    inline int getY() const { return y; }
+    EventType getType() const { return EventType::MouseScrolled; }
+};

events/windowEvent.cpp

@@ -0,0 +1,5 @@
+#include "windowEvent.h"
+
+WindowEvent::WindowEvent(int id, int e) : windowID(id), event(e) {
+    
+}

events/windowEvent.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "terminal.h"
+#include "event.h"
+
+
+class WindowEvent : public Event {
+    const int windowID, event;
+    public:
+    WindowEvent(int, int);
+
+    inline int getWindowID() const { return windowID; }
+
+    EventType getType() const {
+        switch(event) {
+            case SDL_WINDOWEVENT_CLOSE:
+                return EventType::WindowClose;
+            case SDL_WINDOWEVENT_RESIZED:
+                return EventType::WindowResize;
+            case SDL_WINDOWEVENT_FOCUS_GAINED:
+                return EventType::WindowFocus;
+            case SDL_WINDOWEVENT_FOCUS_LOST:
+                return EventType::WindowLostFocus;
+        }
+        return EventType::None;
+    }
+};

flake.lock

@@ -0,0 +1,45 @@
+{
+  "nodes": {
+    "imgui": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1714484256,
+        "narHash": "sha256-75OH+6v6w/dH5D/3WFOPAmGpyggjbc++SX7dTu56qf8=",
+        "owner": "ocornut",
+        "repo": "imgui",
+        "rev": "ebb8d781020a77d1d5185009e208068e3bf8753b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ocornut",
+        "ref": "docking",
+        "repo": "imgui",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1714635257,
+        "narHash": "sha256-4cPymbty65RvF1DWQfc+Bc8B233A1BWxJnNULJKQ1EY=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "63c3a29ca82437c87573e4c6919b09a24ea61b0f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "imgui": "imgui",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,134 @@
+{
+  description = "Build Project Terminal";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    imgui.url = "github:ocornut/imgui?ref=docking";
+    imgui.flake = false;
+  };
+
+  outputs = { self, nixpkgs, imgui }@inputs: 
+    let
+
+      system = "x86_64-linux";
+    
+      pkgs = nixpkgs.legacyPackages.${system};
+
+      renderer = "vulkan";
+
+      window = "sdl2";
+      
+    in {
+
+    packages.${system}.default = pkgs.stdenv.mkDerivation {
+
+      name = "Terminal";
+
+      inherit system;
+
+      src = ./.;
+
+      imgui = inputs.imgui;
+
+      
+
+      buildInputs = with pkgs; if renderer == "vulkan" && window == "sdl2" then [
+        tinyobjloader
+        stb
+        glm
+        shaderc
+        SDL2
+        vulkan-headers
+        vulkan-loader
+      ] else if renderer == "vulkan" && window == "glfw" then [
+        stb
+        glm
+        shaderc
+        glfw
+        vulkan-headers
+        vulkan-loader
+      ] else if renderer == "opengl3" && window == "sdl2" then [
+        stb
+        glm
+        SDL2
+
+      ] else if renderer == "opengl3" && window == "glfw" then [
+        stb
+        glm
+        glfw
+      ] else [];
+
+      buildPhase = if renderer == "vulkan" && window == "sdl2" then 
+      ''
+      glslc shaders/*.vert -o vert.spv
+      glslc shaders/*.frag -o frag.spv
+      g++ src/*.cpp renderer/vulkanRenderer.cpp window/sdl2Window.cpp layers/*.cpp events/*.cpp \
+       -I src -I renderer -I window -I layers -I events \
+       -I $imgui -I $imgui/backends -I ${pkgs.stb}/include/stb $(sdl2-config --cflags) \
+       $imgui/*.cpp $imgui/backends/*sdl2.cpp $imgui/backends/*vulkan.cpp \
+       -lSDL2 -lvulkan -o $name -DIMGUI_ENABLE -DSHDR_PATH=$out/bin
+      '' 
+      else if renderer == "vulkan" && window == "glfw" then 
+      ''
+      glslc shaders/*.vert -o vert.spv
+      glslc shaders/*.frag -o frag.spv
+      g++ src/*.cpp renderer/vulkanRenderer.cpp window/sdl2Window.cpp layers/*.cpp events/*.cpp \
+       -I src -I renderer -I window -I layers -I events \
+       -I $imgui -I $imgui/backends -I ${pkgs.stb}/include/stb $(sdl2-config --cflags) \
+       $imgui/*.cpp $imgui/backends/*sdl2.cpp $imgui/backends/*vulkan.cpp \
+       -lSDL2 -lvulkan -o $name -DIMGUI_ENABLE -DSHDR_PATH=$out/bin
+      '' 
+      else if renderer == "opengl3" && window == "sdl2" then 
+      ''
+      glslc shaders/*.vert -o vert.spv
+      glslc shaders/*.frag -o frag.spv
+      g++ src/*.cpp renderer/vulkanRenderer.cpp window/sdl2Window.cpp layers/*.cpp events/*.cpp \
+       -I src -I renderer -I window -I layers -I events \
+       -I $imgui -I $imgui/backends -I ${pkgs.stb}/include/stb $(sdl2-config --cflags) \
+       $imgui/*.cpp $imgui/backends/*sdl2.cpp $imgui/backends/*vulkan.cpp \
+       -lSDL2 -lvulkan -o $name -DIMGUI_ENABLE -DSHDR_PATH=$out/bin
+      '' 
+      else if renderer == "opengl3" && window == "glfw" then 
+      ''
+      glslc shaders/*.vert -o vert.spv
+      glslc shaders/*.frag -o frag.spv
+      g++ src/*.cpp renderer/vulkanRenderer.cpp window/sdl2Window.cpp layers/*.cpp events/*.cpp \
+       -I src -I renderer -I window -I layers -I events \
+       -I $imgui -I $imgui/backends -I ${pkgs.stb}/include/stb $(sdl2-config --cflags) \
+       $imgui/*.cpp $imgui/backends/*sdl2.cpp $imgui/backends/*vulkan.cpp \
+       -lSDL2 -lvulkan -o $name -DIMGUI_ENABLE -DSHDR_PATH=$out/bin
+      '' else '''';
+
+      installPhase = ''
+      mkdir -p $out/bin
+      cp *.spv $out/bin
+      cp $name $out/bin
+      '';
+
+    };
+
+    shaders = pkgs.stdenv.mkDerivation {
+
+      name = "Terminal";
+
+      inherit system;
+
+      src = ./.;
+
+      buildInputs = with pkgs; [
+        shaderc
+      ];
+
+      buildPhase = ''
+      glslc shaders/*.vert -o vert.spv
+      glslc shaders/*.frag -o frag.spv
+      '';
+
+      installPhase = ''
+      mkdir -p $out/bin
+      cp *.spv $out/bin
+      '';
+
+    };
+  };
+}

imgui.ini

@@ -0,0 +1,36 @@
+[Window][Debug##Default]
+Pos=60,60
+Size=400,400
+Collapsed=0
+
+[Window][Dear ImGui Demo]
+Pos=62,29
+Size=464,257
+Collapsed=0
+DockId=0x00000001,0
+
+[Window][Example: Custom rendering]
+Pos=13,20
+Size=806,486
+Collapsed=0
+DockId=0x00000001,1
+
+[Window][User Window]
+Pos=48,325
+Size=73,132
+Collapsed=0
+
+[Window][Example: Documents]
+ViewportPos=380,100
+ViewportId=0x1FD64BEB
+Size=621,714
+Collapsed=0
+
+[Window][Main Editor]
+Pos=120,307
+Size=363,292
+Collapsed=0
+
+[Docking][Data]
+DockNode  ID=0x00000001 Pos=382,69 Size=464,257 Selected=0xAAB01F94
+

layers/baseLayer.cpp

@@ -0,0 +1,92 @@
+#include "baseLayer.h"
+#include "application.h"
+
+BaseLayer::BaseLayer()
+{
+}
+
+BaseLayer::~BaseLayer()
+{
+}
+
+void BaseLayer::onAttach()
+{
+}
+
+void BaseLayer::onDetach()
+{
+}
+
+void BaseLayer::onUpdate()
+{
+}
+
+bool BaseLayer::onEvent(const Event* e)
+{
+    EventHandler eh;
+    return eh.handleEvent(e, this);
+}
+
+bool BaseLayer::onMouseButtonPressed(const MouseButtonEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onMouseButtonReleased(const MouseButtonEvent *e)
+{
+    App::Get().show = !App::Get().show;
+    return true;
+}
+
+bool BaseLayer::onMouseMoved(const MouseMovedEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onMouseScrolled(const MouseScrolledEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onKeyPressed(const KeyEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onKeyReleased(const KeyEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onKeyTyped(const KeyTypedEvent *)
+{
+    return true;
+}
+
+bool BaseLayer::onWindowClose(const WindowEvent *e)
+{
+    if (e->getWindowID() == SDL_GetWindowID(App::Get().getWindow())) {
+        App::Get().done = true;
+    }
+    return true;
+}
+
+bool BaseLayer::onWindowFocus(const WindowEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onWindowFocusLost(const WindowEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onWindowMoved(const WindowEvent *e)
+{
+    return true;
+}
+
+bool BaseLayer::onWindowResize(const WindowEvent *e)
+{
+    return true;
+}

layers/baseLayer.h

@@ -0,0 +1,32 @@
+#pragma once
+#include "terminal.h"
+#include "layer.h"
+#include "eventHandler.h"
+
+class BaseLayer : public Layer {
+
+    public:
+
+        BaseLayer();
+        ~BaseLayer();
+
+        virtual void onAttach();
+        virtual void onDetach();
+        virtual void onUpdate();
+        virtual bool onEvent(const Event*);
+
+    protected:
+        virtual bool onMouseButtonPressed(const MouseButtonEvent*);
+        virtual bool onMouseButtonReleased(const MouseButtonEvent*);
+        virtual bool onMouseMoved(const MouseMovedEvent*);
+        virtual bool onMouseScrolled(const MouseScrolledEvent*);
+        virtual bool onKeyPressed(const KeyEvent*);
+        virtual bool onKeyReleased(const KeyEvent*);
+        virtual bool onKeyTyped(const KeyTypedEvent*);
+
+        virtual bool onWindowClose(const WindowEvent*);
+        virtual bool onWindowFocus(const WindowEvent*);
+        virtual bool onWindowFocusLost(const WindowEvent*);
+        virtual bool onWindowMoved(const WindowEvent*);
+        virtual bool onWindowResize(const WindowEvent*);
+};

layers/layer.cpp

@@ -0,0 +1,8 @@
+#include "layer.h"
+
+#include "application.h"
+
+
+Layer::Layer() {}
+
+Layer::~Layer() {}

layers/layer.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "event.h"
+
+class Layer {
+
+    friend class EventHandler;
+
+    public:
+
+        Layer();
+        virtual ~Layer();
+
+        virtual void onAttach() = 0;
+        virtual void onDetach() = 0;
+        virtual void onUpdate() = 0;
+        virtual bool onEvent(const Event* event) = 0;
+
+    protected:
+        virtual bool onMouseButtonPressed(const MouseButtonEvent* event) = 0;
+        virtual bool onMouseButtonReleased(const MouseButtonEvent* event) = 0;
+        virtual bool onMouseMoved(const MouseMovedEvent* event) = 0;
+        virtual bool onMouseScrolled(const MouseScrolledEvent* event) = 0;
+        virtual bool onKeyPressed(const KeyEvent* event) = 0;
+        virtual bool onKeyReleased(const KeyEvent* event) = 0;
+        virtual bool onKeyTyped(const KeyTypedEvent* event) = 0;
+        virtual bool onWindowResize(const WindowEvent* event) = 0;
+        virtual bool onWindowFocus(const WindowEvent* event) = 0;
+        virtual bool onWindowFocusLost(const WindowEvent* event) = 0;
+        virtual bool onWindowClose(const WindowEvent* event) = 0;
+        virtual bool onWindowMoved(const WindowEvent* event) = 0;
+
+};

layers/layerstack.cpp

@@ -0,0 +1,77 @@
+#include "layerstack.h"
+#include "application.h"
+
+
+LayerStack::LayerStack() {
+
+    insert = layers.begin();
+}
+
+LayerStack::~LayerStack() {
+
+    for(Layer* layer : layers) {
+        delete layer;
+    }
+}
+
+void LayerStack::pushLayer(Layer* layer) {
+    layers.emplace(insert, layer);
+    layer->onAttach();
+}
+
+void LayerStack::pushOverlay(Layer* layer) {
+    layers.emplace_back(layer);
+    layer->onAttach();
+}
+
+void LayerStack::popLayer(Layer* layer) {
+    auto it = find(layers.begin(), layers.end(), layer);
+    if(it != layers.end()) {
+        layers.erase(it);
+        insert--;
+    }
+    layer->onDetach();
+}
+
+void LayerStack::popOverlay(Layer* layer) {
+    auto it = find(layers.begin(), layers.end(), layer);
+    if(it != layers.end()) {
+        layers.erase(it);
+    }
+    layer->onDetach();
+}
+
+void LayerStack::propagateEvent(const Event* e) {
+    eventHandled = false;
+    if(e == nullptr)
+        return;
+    else {
+        if(layers.size() > 0) {
+            for(int i = layers.size() - 1; i >= 0; i--) {
+                if(!eventHandled)
+                    eventHandled = layers.at(i)->onEvent(e);
+                else
+                    break;
+            }
+        }
+        delete e;
+    }
+}
+
+void LayerStack::updateLayers() {
+    if(layers.size() > 0) {
+        for(Layer* layer : layers) {
+            layer->onUpdate();
+        }
+    }
+}
+
+void LayerStack::shutdown() {
+    if(layers.size() > 0) {
+        for(Layer* layer : layers) {
+            popLayer(layer);
+            layer->onDetach();
+            delete layer;
+        }
+    }   
+}

layers/layerstack.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "layer.h"
+
+
+class LayerStack {
+
+    public:
+        LayerStack();
+        ~LayerStack();
+
+        void pushLayer(Layer*);
+        void pushOverlay(Layer*);
+        void popLayer(Layer*);
+        void popOverlay(Layer*);
+
+        void propagateEvent(const Event*);
+        void updateLayers();
+        void shutdown();
+
+        inline Layer* getLayer(unsigned long i) { return layers.at(i); }
+
+        std::vector<Layer*>::iterator begin() {return layers.begin();}
+        std::vector<Layer*>::iterator end() {return layers.end();}
+
+    private:
+        std::vector<Layer*> layers;
+        std::vector<Layer*>::iterator insert;
+        bool eventHandled;
+};

layers/overlay.cpp

@@ -0,0 +1,271 @@
+#include "overlay.h"
+#include "application.h"
+
+static void check_vk_result(VkResult err)
+{
+    if (err == 0)
+        return;
+    fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
+    if (err < 0)
+        abort();
+}
+
+Overlay::Overlay() {
+
+}
+
+Overlay::~Overlay() {
+    
+
+}
+
+void Overlay::onAttach() {
+
+    init();
+}
+
+void Overlay::onDetach() {
+
+
+}
+
+void Overlay::onUpdate() {
+
+    newFrame();
+
+    define(nullptr, [](Overlay& overlay, void** data) {
+
+        if(App::Get().show)
+            ImGui::ShowDemoWindow();
+
+        {
+            static char filename[24] = "test.py";
+            static std::vector<char> text(2048);
+            static std::fstream file;
+
+            
+
+            ImGui::Begin("Main Editor");
+
+            ImGui::InputText("File Name", filename, 24);
+
+            ImGui::SameLine();
+
+            if(ImGui::Button("load", ImVec2(48, 16))) {
+                file.open(filename, std::ios::in);
+                if(file.is_open()) {
+                    for(int i = 0; i < text.size(); i++) {
+                        if(!file.eof())
+                            text.at(i) = file.get();    
+                        else
+                            text.at(i) = '\r';
+                    }
+                    file.close();
+                } else {
+                    std::cout << "file does not exist!\n";
+                }
+            }
+
+            ImGui::InputTextMultiline("Editor", text.data(), text.size(), 
+                                        ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 16), 
+                                        ImGuiInputTextFlags_AllowTabInput);
+
+            if(ImGui::Button("save", ImVec2(48, 16))) {
+                file.open(filename, std::ios::out | std::ios::trunc);
+                if(file.is_open()){
+                    for(char c : text)
+                        file.put(c == '\0' ? ' ' : c);
+                    file.close();
+                } else {
+                    std::cout << "file could not be opened!\n";
+                }
+            }
+
+            ImGui::SameLine();
+
+            if(ImGui::Button("run", ImVec2(48, 16))) {
+                if (system(("python " + std::string(filename)).c_str()))
+                    std::cout << "command failed!\n";
+            }
+            ImGui::End();
+        }
+
+        return 0;
+    });
+
+    render();
+}
+
+bool Overlay::onEvent(const Event* event) {
+
+    EventHandler eh;
+    return eh.handleEvent(event, this);
+}
+
+bool Overlay::onMouseButtonPressed(const MouseButtonEvent* event) {
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureMouse)
+        io.AddMouseButtonEvent(event->getButton(), event->getPressed());
+    return io.WantCaptureMouse;
+}
+
+bool Overlay::onMouseButtonReleased(const MouseButtonEvent* event) {
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureMouse)
+        io.AddMouseButtonEvent(event->getButton(), event->getPressed());
+    return io.WantCaptureMouse;
+}
+
+bool Overlay::onMouseMoved(const MouseMovedEvent* event) {
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureMouse)
+        io.AddMousePosEvent(event->getX(), event->getY());
+    return io.WantCaptureMouse;
+}
+
+bool Overlay::onMouseScrolled(const MouseScrolledEvent* event) {
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureMouse)
+        io.AddMouseWheelEvent(event->getX(), event->getY());
+    return io.WantCaptureMouse;
+}
+
+bool Overlay::onKeyPressed(const KeyEvent* event) {
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureKeyboard) {
+        ImGui_ImplSDL2_UpdateKeyModifiers((SDL_Keymod)event->getMod());
+        io.AddKeyEvent(ImGui_ImplSDL2_KeyEventToImGuiKey(event->getKey(), (SDL_Scancode)event->getScancode()), 
+                        event->getPressed());
+    }
+    return io.WantCaptureKeyboard;
+}
+
+bool Overlay::onKeyReleased(const KeyEvent* event) {
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureKeyboard) {
+        ImGui_ImplSDL2_UpdateKeyModifiers((SDL_Keymod)event->getMod());
+        io.AddKeyEvent(ImGui_ImplSDL2_KeyEventToImGuiKey(event->getKey(), (SDL_Scancode)event->getScancode()), 
+                        event->getPressed());
+    }
+    return io.WantCaptureKeyboard;
+}
+
+bool Overlay::onKeyTyped(const KeyTypedEvent *e)
+{
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.WantCaptureKeyboard)
+        io.AddInputCharactersUTF8(e->getText());
+    return io.WantCaptureKeyboard;
+}
+
+bool Overlay::onWindowClose(const WindowEvent *e)
+{
+    return false;
+}
+
+bool Overlay::onWindowFocus(const WindowEvent *e)
+{
+    return false;
+}
+
+bool Overlay::onWindowFocusLost(const WindowEvent *e)
+{
+    return false;
+}
+
+bool Overlay::onWindowMoved(const WindowEvent *e)
+{
+    return false;
+}
+
+bool Overlay::onWindowResize(const WindowEvent *e)
+{
+    Window& window = App::Get().getWindow();
+    window.getSize();
+    ImGui::GetIO().DisplaySize = ImVec2(window.x, window.y);
+    return false;
+}
+
+void Overlay::init() {
+
+    App& app = App::Get();
+    Renderer& renderer = app.getRenderer();
+
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;         // Enable Docking
+    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;       // Enable Multi-Viewport / Platform Windows
+
+    ImGui::StyleColorsDark();
+
+    ImGuiStyle& style = ImGui::GetStyle();
+
+    if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+    {
+        style.WindowRounding = 0.0f;
+        style.Colors[ImGuiCol_WindowBg].w = 1.0f;
+    }
+
+    ImGui_ImplSDL2_InitForVulkan(app.getWindow());
+    
+    ImGui_ImplVulkan_InitInfo init_info = {};
+    init_info.Instance = renderer.getInstance();
+    init_info.Queue = renderer.getPresentQueue();
+    init_info.DescriptorPool = renderer.getDescriptorPool();
+    init_info.RenderPass = renderer.getRenderPass();
+    init_info.Device = renderer.getDevice();
+    init_info.PhysicalDevice = renderer.getPhysicalDevice();
+    // init_info.MSAASamples = renderer.getMSAASamples();
+    init_info.MinImageCount = renderer.getNumImages();
+    init_info.ImageCount = renderer.getNumImages();
+    ImGui_ImplVulkan_Init(&init_info);
+
+    ImGui_ImplVulkan_CreateFontsTexture();
+}
+
+void Overlay::shutdown() {
+    ImGui_ImplVulkan_Shutdown();
+    ImGui_ImplSDL2_Shutdown();
+    ImGui::DestroyContext();
+}
+
+void Overlay::newFrame() {
+
+    ImGui_ImplVulkan_NewFrame();
+    ImGui_ImplSDL2_NewFrame();
+    ImGui::NewFrame();
+}
+
+void Overlay::renderPlatformWindows() {
+
+    if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable) {
+        ImGui::UpdatePlatformWindows();
+        ImGui::RenderPlatformWindowsDefault();
+    }
+}
+
+
+
+void Overlay::render() {
+
+    Renderer& renderer = App::Get().getRenderer();
+
+    ImGui::Render();
+    main_draw_data = ImGui::GetDrawData();
+    mainMinimized = (main_draw_data->DisplaySize.x <= 0.0f || main_draw_data->DisplaySize.y <= 0.0f);
+    ImGui_ImplVulkan_RenderDrawData(main_draw_data, renderer.getCommandBuffer(renderer.getFrame()));
+    renderPlatformWindows();
+}
+
+bool Overlay::isMinimized() {
+    return mainMinimized;
+}

layers/overlay.h

@@ -0,0 +1,209 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "layer.h"
+
+#include "sdl2Window.h"
+
+#include "vulkanRenderer.h"
+
+
+
+
+class Overlay : public Layer {
+
+    public:
+
+        Overlay();
+
+        ~Overlay();
+
+        virtual void onAttach();
+
+        virtual void onDetach();
+
+        virtual void onUpdate();
+
+        virtual bool onEvent(const Event*);
+
+        protected:
+
+        virtual bool onMouseButtonPressed(const MouseButtonEvent*);
+        virtual bool onMouseButtonReleased(const MouseButtonEvent*);
+        virtual bool onMouseMoved(const MouseMovedEvent*);
+        virtual bool onMouseScrolled(const MouseScrolledEvent*);
+        virtual bool onKeyPressed(const KeyEvent*);
+        virtual bool onKeyReleased(const KeyEvent*);
+        virtual bool onKeyTyped(const KeyTypedEvent*);
+
+        virtual bool onWindowClose(const WindowEvent*);
+        virtual bool onWindowFocus(const WindowEvent*);
+        virtual bool onWindowFocusLost(const WindowEvent*);
+        virtual bool onWindowMoved(const WindowEvent*);
+        virtual bool onWindowResize(const WindowEvent*);
+
+        public:
+
+        void init();
+
+        void shutdown();
+
+        void newFrame();
+
+        void renderPlatformWindows();
+
+        //template<typename T>
+        inline int define(void** data, int(*func)(Overlay&, void**)) 
+        { return func(*this, data); }
+
+        void render();
+
+        bool isMinimized();
+
+    //private:
+
+        ImDrawData* main_draw_data = nullptr;
+        bool mainMinimized;
+        
+
+};
+
+/////////////////////////////////////////////
+static ImGuiKey ImGui_ImplSDL2_KeyEventToImGuiKey(SDL_Keycode keycode, SDL_Scancode scancode)
+{
+    IM_UNUSED(scancode);
+    switch (keycode)
+    {
+        case SDLK_TAB: return ImGuiKey_Tab;
+        case SDLK_LEFT: return ImGuiKey_LeftArrow;
+        case SDLK_RIGHT: return ImGuiKey_RightArrow;
+        case SDLK_UP: return ImGuiKey_UpArrow;
+        case SDLK_DOWN: return ImGuiKey_DownArrow;
+        case SDLK_PAGEUP: return ImGuiKey_PageUp;
+        case SDLK_PAGEDOWN: return ImGuiKey_PageDown;
+        case SDLK_HOME: return ImGuiKey_Home;
+        case SDLK_END: return ImGuiKey_End;
+        case SDLK_INSERT: return ImGuiKey_Insert;
+        case SDLK_DELETE: return ImGuiKey_Delete;
+        case SDLK_BACKSPACE: return ImGuiKey_Backspace;
+        case SDLK_SPACE: return ImGuiKey_Space;
+        case SDLK_RETURN: return ImGuiKey_Enter;
+        case SDLK_ESCAPE: return ImGuiKey_Escape;
+        case SDLK_QUOTE: return ImGuiKey_Apostrophe;
+        case SDLK_COMMA: return ImGuiKey_Comma;
+        case SDLK_MINUS: return ImGuiKey_Minus;
+        case SDLK_PERIOD: return ImGuiKey_Period;
+        case SDLK_SLASH: return ImGuiKey_Slash;
+        case SDLK_SEMICOLON: return ImGuiKey_Semicolon;
+        case SDLK_EQUALS: return ImGuiKey_Equal;
+        case SDLK_LEFTBRACKET: return ImGuiKey_LeftBracket;
+        case SDLK_BACKSLASH: return ImGuiKey_Backslash;
+        case SDLK_RIGHTBRACKET: return ImGuiKey_RightBracket;
+        case SDLK_BACKQUOTE: return ImGuiKey_GraveAccent;
+        case SDLK_CAPSLOCK: return ImGuiKey_CapsLock;
+        case SDLK_SCROLLLOCK: return ImGuiKey_ScrollLock;
+        case SDLK_NUMLOCKCLEAR: return ImGuiKey_NumLock;
+        case SDLK_PRINTSCREEN: return ImGuiKey_PrintScreen;
+        case SDLK_PAUSE: return ImGuiKey_Pause;
+        case SDLK_KP_0: return ImGuiKey_Keypad0;
+        case SDLK_KP_1: return ImGuiKey_Keypad1;
+        case SDLK_KP_2: return ImGuiKey_Keypad2;
+        case SDLK_KP_3: return ImGuiKey_Keypad3;
+        case SDLK_KP_4: return ImGuiKey_Keypad4;
+        case SDLK_KP_5: return ImGuiKey_Keypad5;
+        case SDLK_KP_6: return ImGuiKey_Keypad6;
+        case SDLK_KP_7: return ImGuiKey_Keypad7;
+        case SDLK_KP_8: return ImGuiKey_Keypad8;
+        case SDLK_KP_9: return ImGuiKey_Keypad9;
+        case SDLK_KP_PERIOD: return ImGuiKey_KeypadDecimal;
+        case SDLK_KP_DIVIDE: return ImGuiKey_KeypadDivide;
+        case SDLK_KP_MULTIPLY: return ImGuiKey_KeypadMultiply;
+        case SDLK_KP_MINUS: return ImGuiKey_KeypadSubtract;
+        case SDLK_KP_PLUS: return ImGuiKey_KeypadAdd;
+        case SDLK_KP_ENTER: return ImGuiKey_KeypadEnter;
+        case SDLK_KP_EQUALS: return ImGuiKey_KeypadEqual;
+        case SDLK_LCTRL: return ImGuiKey_LeftCtrl;
+        case SDLK_LSHIFT: return ImGuiKey_LeftShift;
+        case SDLK_LALT: return ImGuiKey_LeftAlt;
+        case SDLK_LGUI: return ImGuiKey_LeftSuper;
+        case SDLK_RCTRL: return ImGuiKey_RightCtrl;
+        case SDLK_RSHIFT: return ImGuiKey_RightShift;
+        case SDLK_RALT: return ImGuiKey_RightAlt;
+        case SDLK_RGUI: return ImGuiKey_RightSuper;
+        case SDLK_APPLICATION: return ImGuiKey_Menu;
+        case SDLK_0: return ImGuiKey_0;
+        case SDLK_1: return ImGuiKey_1;
+        case SDLK_2: return ImGuiKey_2;
+        case SDLK_3: return ImGuiKey_3;
+        case SDLK_4: return ImGuiKey_4;
+        case SDLK_5: return ImGuiKey_5;
+        case SDLK_6: return ImGuiKey_6;
+        case SDLK_7: return ImGuiKey_7;
+        case SDLK_8: return ImGuiKey_8;
+        case SDLK_9: return ImGuiKey_9;
+        case SDLK_a: return ImGuiKey_A;
+        case SDLK_b: return ImGuiKey_B;
+        case SDLK_c: return ImGuiKey_C;
+        case SDLK_d: return ImGuiKey_D;
+        case SDLK_e: return ImGuiKey_E;
+        case SDLK_f: return ImGuiKey_F;
+        case SDLK_g: return ImGuiKey_G;
+        case SDLK_h: return ImGuiKey_H;
+        case SDLK_i: return ImGuiKey_I;
+        case SDLK_j: return ImGuiKey_J;
+        case SDLK_k: return ImGuiKey_K;
+        case SDLK_l: return ImGuiKey_L;
+        case SDLK_m: return ImGuiKey_M;
+        case SDLK_n: return ImGuiKey_N;
+        case SDLK_o: return ImGuiKey_O;
+        case SDLK_p: return ImGuiKey_P;
+        case SDLK_q: return ImGuiKey_Q;
+        case SDLK_r: return ImGuiKey_R;
+        case SDLK_s: return ImGuiKey_S;
+        case SDLK_t: return ImGuiKey_T;
+        case SDLK_u: return ImGuiKey_U;
+        case SDLK_v: return ImGuiKey_V;
+        case SDLK_w: return ImGuiKey_W;
+        case SDLK_x: return ImGuiKey_X;
+        case SDLK_y: return ImGuiKey_Y;
+        case SDLK_z: return ImGuiKey_Z;
+        case SDLK_F1: return ImGuiKey_F1;
+        case SDLK_F2: return ImGuiKey_F2;
+        case SDLK_F3: return ImGuiKey_F3;
+        case SDLK_F4: return ImGuiKey_F4;
+        case SDLK_F5: return ImGuiKey_F5;
+        case SDLK_F6: return ImGuiKey_F6;
+        case SDLK_F7: return ImGuiKey_F7;
+        case SDLK_F8: return ImGuiKey_F8;
+        case SDLK_F9: return ImGuiKey_F9;
+        case SDLK_F10: return ImGuiKey_F10;
+        case SDLK_F11: return ImGuiKey_F11;
+        case SDLK_F12: return ImGuiKey_F12;
+        case SDLK_F13: return ImGuiKey_F13;
+        case SDLK_F14: return ImGuiKey_F14;
+        case SDLK_F15: return ImGuiKey_F15;
+        case SDLK_F16: return ImGuiKey_F16;
+        case SDLK_F17: return ImGuiKey_F17;
+        case SDLK_F18: return ImGuiKey_F18;
+        case SDLK_F19: return ImGuiKey_F19;
+        case SDLK_F20: return ImGuiKey_F20;
+        case SDLK_F21: return ImGuiKey_F21;
+        case SDLK_F22: return ImGuiKey_F22;
+        case SDLK_F23: return ImGuiKey_F23;
+        case SDLK_F24: return ImGuiKey_F24;
+        case SDLK_AC_BACK: return ImGuiKey_AppBack;
+        case SDLK_AC_FORWARD: return ImGuiKey_AppForward;
+        default: break;
+    }
+    return ImGuiKey_None;
+}
+
+static void ImGui_ImplSDL2_UpdateKeyModifiers(SDL_Keymod sdl_key_mods)
+{
+    ImGuiIO& io = ImGui::GetIO();
+    io.AddKeyEvent(ImGuiMod_Ctrl, (sdl_key_mods & KMOD_CTRL) != 0);
+    io.AddKeyEvent(ImGuiMod_Shift, (sdl_key_mods & KMOD_SHIFT) != 0);
+    io.AddKeyEvent(ImGuiMod_Alt, (sdl_key_mods & KMOD_ALT) != 0);
+    io.AddKeyEvent(ImGuiMod_Super, (sdl_key_mods & KMOD_GUI) != 0);
+}

renderer/vulkanRenderer.h

@@ -0,0 +1,296 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "sdl2Window.h"
+
+const std::string MODEL_PATH = "/home/nathan/Projects/terminal/assets/viking_room.obj";
+const std::string TEXTURE_PATH = "/home/nathan/Pictures/Mountain.png";
+
+struct QueueFamilyIndices {
+    std::optional<uint32_t> graphicsFamily;
+    std::optional<uint32_t> presentFamily;
+
+    bool isComplete() {
+        return graphicsFamily.has_value() && presentFamily.has_value();
+    }
+};
+
+struct SwapChainSupportDetails {
+    VkSurfaceCapabilitiesKHR capabilities;
+    std::vector<VkSurfaceFormatKHR> formats;
+    std::vector<VkPresentModeKHR> presentModes;
+};
+
+static std::vector<char> readFile(const std::string& filename) {
+    std::ifstream file(filename, std::ios::ate | std::ios::binary);
+
+    if (!file.is_open()) {
+        throw std::runtime_error("failed to open file!");
+    }
+
+    size_t fileSize = (size_t) file.tellg();
+    std::vector<char> buffer(fileSize);
+
+    file.seekg(0);
+    file.read(buffer.data(), fileSize);
+
+    file.close();
+
+    return buffer;
+}
+
+struct Vertex {
+    glm::vec3 pos;
+    glm::vec3 color;
+    glm::vec2 texCoord;
+
+    static VkVertexInputBindingDescription getBindingDescription() {
+        VkVertexInputBindingDescription bindingDescription{};
+        bindingDescription.binding = 0;
+        bindingDescription.stride = sizeof(Vertex);
+        bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
+
+        return bindingDescription;
+    }
+
+    static std::array<VkVertexInputAttributeDescription, 3> getAttributeDescriptions() {
+        std::array<VkVertexInputAttributeDescription, 3> attributeDescriptions{};
+
+        attributeDescriptions[0].binding = 0;
+        attributeDescriptions[0].location = 0;
+        attributeDescriptions[0].format = VK_FORMAT_R32G32B32_SFLOAT;
+        attributeDescriptions[0].offset = offsetof(Vertex, pos);
+
+        attributeDescriptions[1].binding = 0;
+        attributeDescriptions[1].location = 1;
+        attributeDescriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
+        attributeDescriptions[1].offset = offsetof(Vertex, color);
+
+        attributeDescriptions[2].binding = 0;
+        attributeDescriptions[2].location = 2;
+        attributeDescriptions[2].format = VK_FORMAT_R32G32_SFLOAT;
+        attributeDescriptions[2].offset = offsetof(Vertex, texCoord);
+
+        return attributeDescriptions;
+    }
+};
+
+struct UniformBufferObject {
+    alignas(16) glm::mat4 model;
+    alignas(16) glm::mat4 view;
+    alignas(16) glm::mat4 proj;
+};
+
+const std::vector<Vertex> vertices = {
+    {{-0.5f, -0.5f, 0.0f}, {1.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},
+    {{0.5f, -0.5f, 0.0f}, {0.0f, 1.0f, 0.0f}, {1.0f, 0.0f}},
+    {{0.5f, 0.5f, 0.0f}, {0.0f, 0.0f, 1.0f}, {1.0f, 1.0f}},
+    {{-0.5f, 0.5f, 0.0f}, {1.0f, 1.0f, 1.0f}, {0.0f, 1.0f}},
+
+    {{-0.5f, -0.5f, -0.5f}, {1.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},
+    {{0.5f, -0.5f, -0.5f}, {0.0f, 1.0f, 0.0f}, {1.0f, 0.0f}},
+    {{0.5f, 0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}, {1.0f, 1.0f}},
+    {{-0.5f, 0.5f, -0.5f}, {1.0f, 1.0f, 1.0f}, {0.0f, 1.0f}}
+};
+
+const std::vector<uint32_t> indices = {
+    0, 1, 2, 2, 3, 0,
+    4, 5, 6, 6, 7, 4
+};
+
+class Renderer {
+
+    public:
+
+        Renderer();
+
+        ~Renderer();
+
+        inline VkInstance getInstance()                    { return instance; }
+        inline VkPhysicalDevice getPhysicalDevice()        { return physicalDevice; }
+        inline VkDevice getDevice()                        { return device; }
+        uint32_t getQueueFamily();
+        inline VkQueue getGraphicsQueue()                  { return graphicsQueue; }
+        inline VkQueue getPresentQueue()                  { return presentQueue; }
+        inline VkSurfaceKHR getSurface()                   { return surface; }
+        inline VkRenderPass getRenderPass()                { return renderPass; }
+        inline VkDescriptorPool getDescriptorPool()        { return descriptorPool; }
+        inline VkCommandBuffer getCommandBuffer(int frame) { return commandBuffers[frame]; }
+        inline VkPipeline getPipeline()                    { return graphicsPipeline; }
+        inline int getNumImages()                          { return MAX_FRAMES_IN_FLIGHT; }
+        inline int getFrame()                              { return currentFrame; }
+        inline VkSampleCountFlagBits getMSAASamples()      { return msaaSamples; }
+
+    private:
+        const int MAX_FRAMES_IN_FLIGHT = 2;
+
+        VkInstance               instance;
+        VkPhysicalDevice         physicalDevice = VK_NULL_HANDLE;
+        VkDevice                 device;
+        VkQueue                  graphicsQueue;
+        VkQueue                  presentQueue;
+        VkSurfaceKHR             surface;
+        VkSwapchainKHR           swapChain;
+        std::vector<VkImage>     swapChainImages;
+        VkFormat                 swapChainImageFormat;
+        VkExtent2D               swapChainExtent;
+        VkRenderPass             renderPass;
+        VkDescriptorPool         descriptorPool;
+        std::vector<VkDescriptorSet> descriptorSets;
+        VkDescriptorSetLayout    descriptorSetLayout;
+        VkPipelineLayout         pipelineLayout;
+        VkPipeline               graphicsPipeline;
+        std::vector<VkFramebuffer> swapChainFramebuffers;
+        std::vector<VkImageView> swapChainImageViews;
+        VkCommandPool            commandPool;
+        std::vector<VkCommandBuffer> commandBuffers;
+        std::vector<VkSemaphore> imageAvailableSemaphores;
+        std::vector<VkSemaphore> renderFinishedSemaphores;
+        std::vector<VkFence>     inFlightFences;
+        uint32_t                 currentFrame = 0;
+
+        VkBuffer                 vertexBuffer;
+        VkDeviceMemory           vertexBufferMemory;
+        VkBuffer                 indexBuffer;
+        VkDeviceMemory           indexBufferMemory;
+        std::vector<VkBuffer>    uniformBuffers;
+        std::vector<VkDeviceMemory> uniformBuffersMemory;
+        std::vector<void*>       uniformBuffersMapped;
+        VkImage                  textureImage;
+        VkDeviceMemory           textureImageMemory;
+        VkImageView              textureImageView;
+        VkSampler                textureSampler;
+        VkImage                  depthImage;
+        VkDeviceMemory           depthImageMemory;
+        VkImageView              depthImageView;
+
+
+        VkSampleCountFlagBits msaaSamples = VK_SAMPLE_COUNT_1_BIT;
+        VkImage                  colorImage;
+        VkDeviceMemory           colorImageMemory;
+        VkImageView              colorImageView;
+        
+
+
+
+        VkResult                 err;
+
+        bool enableValidationLayers = false;
+
+        const std::vector<const char*> deviceExtensions = {
+            VK_KHR_SWAPCHAIN_EXTENSION_NAME
+        };
+
+
+    public:
+
+        void init();
+
+        void shutdown();
+
+        void draw();
+
+        void createInstance();
+
+        void pickPhysicalDevice();
+
+        void createLogicalDevice();
+
+        void createSurface();
+
+        void createSwapChain();
+
+        void createImageViews();
+
+        void createDescriptorPool();
+
+        void createDescriptorSets();
+
+        void createDescriptorSetLayout();
+
+        void createGraphicsPipeline();
+
+        void createRenderPass();
+
+        void createFramebuffers();
+
+        void createCommandPool();
+
+        void createVertexBuffer();
+
+        void createIndexBuffer();
+
+        void createUniformBuffers();
+
+        void updateUniformBuffer(uint32_t);
+
+        void createBuffer(VkDeviceSize, VkBufferUsageFlags, VkMemoryPropertyFlags, VkBuffer&, VkDeviceMemory&);
+
+        void createCommandBuffer();
+
+        void recordCommandBuffer(VkCommandBuffer, uint32_t);
+
+        void createSyncObjects();
+
+
+
+        void loadModel();
+
+        bool hasStencilComponent(VkFormat);
+
+        VkFormat findDepthFormat();
+
+        VkFormat findSupportedFormat(const std::vector<VkFormat>&, VkImageTiling, VkFormatFeatureFlags);
+
+        void createDepthResources();
+
+        VkImageView createImageView(VkImage, VkFormat, VkImageAspectFlags);
+
+        void copyBufferToImage(VkBuffer, VkImage, uint32_t, uint32_t);
+
+        void createTextureSampler();
+
+        void createTextureImageView();
+
+        void transitionImageLayout(VkImage, VkFormat, VkImageLayout, VkImageLayout);
+
+        VkCommandBuffer beginSingleTimeCommands();
+
+        void endSingleTimeCommands(VkCommandBuffer);
+
+        void createImage(uint32_t, uint32_t, VkFormat, VkImageTiling, VkImageUsageFlags, VkMemoryPropertyFlags, VkImage&, VkDeviceMemory&);
+
+        void createTextureImage();
+
+        VkSampleCountFlagBits getMaxUsableSampleCount();
+
+        void copyBuffer(VkBuffer, VkBuffer, VkDeviceSize);
+
+        uint32_t findMemoryType(uint32_t, VkMemoryPropertyFlags);
+
+        void recreateSwapChain();
+
+        void cleanupSwapChain();
+
+        VkShaderModule createShaderModule(const std::vector<char>&);
+
+        VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR&);
+
+        VkPresentModeKHR chooseSwapPresentMode(const std::vector<VkPresentModeKHR>&);
+
+        VkSurfaceFormatKHR chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>&);
+
+        SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice);
+
+        bool checkDeviceExtensionSupport(VkPhysicalDevice);
+
+        QueueFamilyIndices findQueueFamilies(VkPhysicalDevice);
+
+        bool isDeviceSuitable(VkPhysicalDevice);
+
+        bool isExtensionAvailable(const std::vector<VkExtensionProperties>&, const char*);
+
+        void check_vk_result();
+
+};

shaders/s.frag

@@ -0,0 +1,14 @@
+#version 450
+
+layout(binding = 1) uniform sampler2D texSampler;
+
+layout(location = 0) in vec3 fragColor;
+layout(location = 1) in vec2 fragTexCoord;
+
+layout(location = 0) out vec4 outColor;
+
+
+void main() {
+    outColor = texture(texSampler, fragTexCoord);
+    //outColor = vec4(1.0f, 1.0f, 1.0f, 1.0f);
+}

shaders/s.vert

@@ -0,0 +1,21 @@
+#version 450
+
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 model;
+    mat4 view;
+    mat4 proj;
+} ubo;
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inColor;
+layout(location = 2) in vec2 inTexCoord;
+
+layout(location = 0) out vec3 fragColor;
+layout(location = 1) out vec2 fragTexCoord;
+
+void main() {
+    gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition, 1.0);
+    fragColor = inColor;
+    fragTexCoord = inTexCoord;
+}

src/application.cpp

@@ -0,0 +1,47 @@
+#include "application.h"
+
+App* App::instance = nullptr;
+
+App::App() {
+
+    if(instance != nullptr) {
+        std::cout << "App already exists\nThere can only be one!\n";
+        std::abort();
+    }
+
+    std::cout << "Initializing...\n";
+
+    instance = this;
+
+    window.init("test", 640, 640);
+
+    renderer.init();
+
+}
+
+App::~App() {
+
+    lStack.shutdown();
+
+    renderer.shutdown();
+
+    window.shutdown();
+
+    std::cout << "\nExiting...";
+}
+
+void App::run() {
+    std::cout << "\nTesting...\n";
+
+    lStack.pushLayer(new BaseLayer());
+    lStack.pushOverlay(new Overlay());
+
+    // Main loop
+    while (!done) {
+
+        lStack.propagateEvent(window.pollEvents());
+
+        renderer.draw();
+    }
+}
+

src/application.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "sdl2Window.h"
+#include "vulkanRenderer.h"
+#include "event.h"
+#include "eventHandler.h"
+#include "layer.h"
+#include "layerstack.h"
+#include "baseLayer.h"
+#include "overlay.h"
+
+
+
+
+class App {
+
+    public:
+
+        App();
+
+        ~App();
+
+        void run();
+
+        inline Window& getWindow() { return window; }
+
+        inline Renderer& getRenderer() { return renderer; }
+
+        inline LayerStack& getLayerStack() { return lStack; }
+
+        inline static App& Get() { return *instance; }
+
+        bool done = false;
+
+        bool show = true;
+
+    private:
+
+        static App* instance;
+
+        Window window;
+
+        Renderer renderer;
+
+        LayerStack lStack;
+
+};

src/terminal.cpp

@@ -0,0 +1,9 @@
+#include "application.h"
+
+int main() {
+
+    App app;
+
+    app.run();
+
+}

src/terminal.h

@@ -0,0 +1,58 @@
+#pragma once
+
+
+//macros
+#ifdef SHDR_PATH
+#define STRINGIZE(x) #x
+#define STRINGIZE_VALUE_OF(x) STRINGIZE(x)
+#endif
+
+
+#include <iostream>
+#include <stdio.h>          // printf, fprintf
+#include <stdlib.h>         // abort
+
+#include <vector>
+#include <optional>
+#include <set>
+#include <cstdint> // Necessary for uint32_t
+#include <limits> // Necessary for std::numeric_limits
+#include <algorithm> // Necessary for std::clamp
+#include <fstream>
+#include <array>
+#include <chrono>
+
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+
+#include <vulkan/vulkan.h>
+
+#include <SDL.h>
+#include <SDL_video.h>
+#include <SDL_vulkan.h>
+
+
+
+#include "imgui.h"
+#include "imconfig.h"
+#include "imgui_internal.h"
+#include "imgui_impl_sdl2.h"
+#include "imgui_impl_vulkan.h"
+
+
+
+//Forward declarations
+class App;
+class MouseButtonEvent;
+class MouseMovedEvent;
+class MouseScrolledEvent;
+class KeyEvent;
+class KeyTypedEvent;
+class WindowEvent;
+class Layer;
+
+
+

window/glfwWindow.cpp

@@ -0,0 +1,87 @@
+#include "glfwWindow.h"
+
+
+
+WindowGLFW::WindowGLFW() {
+    
+}
+
+WindowGLFW::~WindowGLFW() {
+
+    glfwTerminate();
+}
+
+void WindowGLFW::init( std::string title, int x, int y) : title(title), x(x), y(y) {
+
+    if(!glfwInit()) {
+        std::cout << "glfwInit failed!\n";
+        error = true;
+        return;
+    }
+
+    window = glfwCreateWindow(x, y, title.c_str(), NULL, NULL);
+    if(!window) {
+        glfwTerminate();
+        std::cout << "glfwCreateWindow failed!";
+        error = true;
+        return;
+    }
+
+    glfwMakeContextCurrent(window);
+}
+
+void WindowGLFW::shutdown() {
+    ~WindowGLFW();
+}
+
+void WindowGLFW::getSize() {
+
+    SDL_GetWindowSize(window, &x, &y);
+}
+
+const Event* WindowGLFW::createEvent() {
+    switch(event.type) {
+        case SDL_KEYDOWN:
+            return new KeyEvent(event.key.keysym.sym, event.key.keysym.scancode, 
+                                event.key.keysym.mod, event.key.repeat, true);
+
+        case SDL_KEYUP:
+            return new KeyEvent(event.key.keysym.sym, event.key.keysym.scancode, 
+                                event.key.keysym.mod, event.key.repeat, false);
+
+        case SDL_TEXTINPUT:
+            return new KeyTypedEvent(event.text.windowID, event.text.text);
+
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+
+            switch(event.button.button) {
+                case SDL_BUTTON_LEFT:   return new MouseButtonEvent(0, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_RIGHT:  return new MouseButtonEvent(1, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_MIDDLE: return new MouseButtonEvent(2, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_X1:     return new MouseButtonEvent(3, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_X2:     return new MouseButtonEvent(4, (event.type == SDL_MOUSEBUTTONDOWN));
+            }
+            
+
+        case SDL_MOUSEMOTION:
+            return new MouseMovedEvent(event.motion.x, event.motion.y, event.motion.xrel, event.motion.yrel);
+
+        case SDL_MOUSEWHEEL:
+            return new MouseScrolledEvent(event.wheel.x, event.wheel.y);
+
+        case SDL_WINDOWEVENT:
+            return new WindowEvent(event.window.windowID, event.window.event);
+    }
+    return nullptr;
+}
+
+
+const Event* WindowGLFW::pollEvents() {
+
+    while (SDL_PollEvent(&event)) {
+
+        return createEvent();
+    }
+    return nullptr;
+}

window/glfwWindow.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "event.h"
+#include "mouseEvent.h"
+#include "keyEvent.h"
+#include "windowEvent.h"
+
+
+class WindowGLFW {
+
+    public:
+
+        WindowGLFW();
+
+        ~WindowGLFW();
+
+        void init( std::string, int, int);
+
+        void shutdown();
+
+        void getSize();
+
+        const Event* pollEvents();
+
+        operator GLFWwindow*() { return window; }
+
+    //private:
+
+        const Event* createEvent();
+
+        int x, y;
+
+        std::string title;
+
+        GLFWwindow* window = nullptr;
+
+        SDL_Event event;
+
+        bool error = false;
+};

window/sdl2Window.cpp

@@ -0,0 +1,94 @@
+#include "sdl2Window.h"
+
+
+
+WindowSDL2::WindowSDL2() {
+
+    
+}
+
+WindowSDL2::~WindowSDL2() {
+
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+}
+
+void WindowSDL2::init( std::string title, int x, int y) : title(title), x(x), y(y) {
+
+    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0)
+    {
+        printf("Error: %s\n", SDL_GetError());
+        error = true;
+        return;
+    }
+
+    SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
+    window = SDL_CreateWindow(title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, x, y, window_flags);
+    if (window == nullptr)
+    {
+        printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());
+        error = true;
+        return;
+    }
+
+    // int test = SDL_SetWindowOpacity(this->window, 0.1f);
+    // float t;
+    // SDL_GetWindowOpacity(this->window, &t);
+    // std::cout << test << " " << t <<  std::endl;
+}
+
+void WindowSDL2::shutdown() {
+    ~WindowSDL2();
+}
+
+void WindowSDL2::getSize() {
+
+    SDL_GetWindowSize(window, &x, &y);
+}
+
+const Event* WindowSDL2::createEvent() {
+    switch(event.type) {
+        case SDL_KEYDOWN:
+            return new KeyEvent(event.key.keysym.sym, event.key.keysym.scancode, 
+                                event.key.keysym.mod, event.key.repeat, true);
+
+        case SDL_KEYUP:
+            return new KeyEvent(event.key.keysym.sym, event.key.keysym.scancode, 
+                                event.key.keysym.mod, event.key.repeat, false);
+
+        case SDL_TEXTINPUT:
+            return new KeyTypedEvent(event.text.windowID, event.text.text);
+
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+
+            switch(event.button.button) {
+                case SDL_BUTTON_LEFT:   return new MouseButtonEvent(0, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_RIGHT:  return new MouseButtonEvent(1, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_MIDDLE: return new MouseButtonEvent(2, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_X1:     return new MouseButtonEvent(3, (event.type == SDL_MOUSEBUTTONDOWN));
+                case SDL_BUTTON_X2:     return new MouseButtonEvent(4, (event.type == SDL_MOUSEBUTTONDOWN));
+            }
+            
+
+        case SDL_MOUSEMOTION:
+            return new MouseMovedEvent(event.motion.x, event.motion.y, event.motion.xrel, event.motion.yrel);
+
+        case SDL_MOUSEWHEEL:
+            return new MouseScrolledEvent(event.wheel.x, event.wheel.y);
+
+        case SDL_WINDOWEVENT:
+            return new WindowEvent(event.window.windowID, event.window.event);
+    }
+    return nullptr;
+}
+
+
+const Event* WindowSDL2::pollEvents() {
+
+    while (SDL_PollEvent(&event)) {
+
+        return createEvent();
+    }
+    return nullptr;
+}

window/sdl2Window.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "event.h"
+#include "mouseEvent.h"
+#include "keyEvent.h"
+#include "windowEvent.h"
+
+
+class WindowSDL2 {
+
+    public:
+
+        WindowSDL2();
+
+        ~WindowSDL2();
+
+        void init( std::string, int, int);
+
+        void shutdown();
+
+        void getSize();
+
+        const Event* pollEvents();
+
+        operator SDL_Window*() { return window; }
+
+    //private:
+
+        const Event* createEvent();
+
+        int x, y;
+
+        std::string title;
+
+        SDL_Window* window = nullptr;
+
+        SDL_Event event;
+
+        bool error = false;
+};

window/window.cpp

@@ -0,0 +1,31 @@
+#include "window.h"
+
+Window::Window()
+{
+}
+
+Window::~Window()
+{
+}
+
+void Window::init(std::string, int, int)
+{
+}
+
+void Window::shutdown()
+{
+}
+
+void Window::getSize()
+{
+}
+
+const Event *Window::pollEvents()
+{
+    return nullptr;
+}
+
+const Event *Window::createEvent()
+{
+    return nullptr;
+}

window/window.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "terminal.h"
+
+#include "event.h"
+#include "mouseEvent.h"
+#include "keyEvent.h"
+#include "windowEvent.h"
+
+
+class Window {
+
+    public:
+
+        Window();
+
+        ~Window();
+
+        void init( std::string, int, int);
+
+        void shutdown();
+
+        void getSize();
+
+        const Event* pollEvents();
+
+        operator SDL_Window*() { return window; }
+
+    //private:
+
+        const Event* createEvent();
+
+        int x, y;
+
+        std::string title;
+
+        SDL_Window* window = nullptr;
+
+        SDL_Event event;
+
+        bool error = false;
+};