Poly3d/src/main.cpp

// main.cpp

#define GLM_ENABLE_EXPERIMENTAL

#define POLY_VERSION_MAJOR 0
#define POLY_VERSION_MINOR 15

// Constants matching shader definitions
const int MAX_POINT_LIGHTS = 256;
const int MAX_DIR_LIGHTS = 10;
const int MAX_SPOT_LIGHTS = 64;

#include <iostream>
#include <vector>
#include <memory>
#include <algorithm>
#include <filesystem>
#include <string>
#include <functional>

#include <windows.h> // For ShellExecuteA
#include <commdlg.h>
#include <cwchar>

#include <map>

// component and entity headers
#include "Entity.h"
#include "TransformComponent.h"
#include "RenderComponent.h"
#include "LightComponent.h"
#include "RigidBody3DComponent.h"
#include "CollisionShape3DComponent.h"
#include "CameraComponent.h"
#include "EditorCamera.h"

#include "LogSystem.h"
#include "Shader.h"
#include "Settings.h"
#include "SettingsWindow.h"
#include "Framebuffer.h"

#include "ImGuiStyle.h"

#include "imgui.h"

// Include ImGui headers
#include "imgui_impl_glfw.h"
#include "imgui_impl_opengl3.h"

#include "ImGuizmo.h"

#include "modelImported.h"

#include <yaml-cpp/yaml.h>
#include <fstream>

// Include GLFW and GLEW headers
#include <GL/glew.h>
#include <GLFW/glfw3.h>

// Include GLM for matrix operations
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtx/matrix_decompose.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <glm/gtx/euler_angles.hpp> // For yawPitchRoll in light calculations

#define MAX_LIGHTS 256

Settings settings;

// Define your Asset structure or class as needed
struct Asset
{
    std::filesystem::path path;
    bool isDirectory;
    // Add more properties as needed
};

int fps = 0;

bool gameWindowFocused = false;

int totalLights;

// Global variables
GLuint cubeVAO = 0;
GLuint cubeVBO = 0;

//? Shaders
// All of the global shader defines
Shader *cubeShader = nullptr;
Shader *gizmoShader = nullptr;
Shader *FrustumShader = nullptr;
Shader *previewShader = nullptr;

GLuint framebuffer = 0;
GLuint renderedTexture = 0;
GLuint depthRenderbuffer = 0;

std::vector<std::shared_ptr<Entity>> entities;
std::shared_ptr<Entity> selectedEntity = nullptr;

std::shared_ptr<Asset> selectedAsset = nullptr;
std::filesystem::path assetsDir = "./assets/";

EditorCamera editorCamera;

bool GameRunning = false;

Model ImportedModel;

// Function prototypes
void RenderCube(glm::mat4 model, glm::mat4 view, glm::mat4 projection, glm::vec3 viewPos, glm::vec3 lightPos);

void ShowEntityComponentTree(std::vector<std::shared_ptr<Entity>> &entities, std::shared_ptr<Entity> &selectedEntity);
void ShowInspector(std::shared_ptr<Entity> &selectedEntity);
void ShowGameView(std::vector<std::shared_ptr<Entity>> &entities);

void ShowAssetPanel(const std::filesystem::path &assetsDirectory, std::shared_ptr<Asset> &selectedAsset);

void ShowCameraComponent(std::shared_ptr<Entity> entity);

void ManipulateEditorCamera(EditorCamera &editorCamera, float aspectRatio);

void ShowCameraPreview(std::vector<std::shared_ptr<Entity>> &entities);

// Function to retrieve the active game camera (first CameraComponent found)
std::shared_ptr<CameraComponent> GetActiveGameCamera(const std::vector<std::shared_ptr<Entity>> &entities)
{
    for (const auto &entity : entities)
    {
        auto camera = entity->GetComponent<CameraComponent>();
        if (camera)
        {
            return camera;
        }
    }
    return nullptr; // No camera found
}

// Helper function to find the entity owning a specific CameraComponent
std::shared_ptr<Entity> FindEntityWithCamera(const std::vector<std::shared_ptr<Entity>> &entities, std::shared_ptr<CameraComponent> camera)
{
    for (const auto &entity : entities)
    {
        auto entityCamera = entity->GetComponent<CameraComponent>();
        if (entityCamera && entityCamera == camera)
        {
            return entity;
        }
    }
    return nullptr; // No matching entity found
}

// Function to open a file dialog and return the selected file path as std::wstring
std::wstring OpenFileDialog(HWND owner = NULL)
{
    OPENFILENAMEW ofn;
    wchar_t szFile[MAX_PATH] = L"";

    ZeroMemory(&ofn, sizeof(ofn));
    ofn.lStructSize = sizeof(ofn);
    ofn.hwndOwner = owner;
    ofn.lpstrFilter = L".polys\0"; // L"All Files\0*.*\0Image Files\0*.png;*.jpg;*.jpeg;*.bmp;*.gif\0Model Files\0*.obj;*.fbx;*.dae\0";
    ofn.lpstrFile = szFile;
    ofn.nMaxFile = sizeof(szFile);
    ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_NOCHANGEDIR; // Added OFN_NOCHANGEDIR
    ofn.lpstrDefExt = L"";

    if (GetOpenFileNameW(&ofn) == TRUE)
    {
        return std::wstring(ofn.lpstrFile);
    }

    return std::wstring();
}

// Function to open a save file dialog and return the selected file path as std::wstring
std::wstring SaveFileDialog(HWND owner = NULL, const std::wstring &defaultFilename = L"scene.polys")
{
    OPENFILENAMEW ofn;
    wchar_t szFile[MAX_PATH] = L"";

    ZeroMemory(&ofn, sizeof(ofn));
    ofn.lStructSize = sizeof(ofn);
    ofn.hwndOwner = owner;
    ofn.lpstrFilter = L"Polys Files\0*.polys\0All Files\0*.*\0";
    ofn.lpstrFile = szFile;
    ofn.nMaxFile = sizeof(szFile) / sizeof(wchar_t);                                     // Size in characters
    ofn.Flags = OFN_EXPLORER | OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY | OFN_NOCHANGEDIR; // Flags for behavior
    ofn.lpstrDefExt = L"polys";                                                          // Default extension

    // Set default filename if provided
    if (!defaultFilename.empty())
    {
        wcscpy_s(szFile, defaultFilename.c_str());
    }

    if (GetSaveFileNameW(&ofn) == TRUE)
    {
        return std::wstring(ofn.lpstrFile);
    }

    return std::wstring();
}

void RenderLightGizmo(glm::vec3 position, glm::mat4 view, glm::mat4 projection)
{

    gizmoShader->Use();

    // Model matrix for the gizmo (small cube at the light's position)
    glm::mat4 model = glm::mat4(1.0f);
    model = glm::translate(model, position);
    model = glm::scale(model, glm::vec3(0.05f)); // Make the gizmo small

    // Set uniforms
    glUniformMatrix4fv(glGetUniformLocation(gizmoShader->Program, "model"), 1, GL_FALSE, glm::value_ptr(model));
    glUniformMatrix4fv(glGetUniformLocation(gizmoShader->Program, "view"), 1, GL_FALSE, glm::value_ptr(view));
    glUniformMatrix4fv(glGetUniformLocation(gizmoShader->Program, "projection"), 1, GL_FALSE, glm::value_ptr(projection));

    // Set gizmo color (e.g., yellow)
    glUniform3f(glGetUniformLocation(gizmoShader->Program, "gizmoColor"), 1.0f, 1.0f, 0.0f);

    // Draw cube (using the same cube VAO)
    glBindVertexArray(cubeVAO);
    glDrawArrays(GL_TRIANGLES, 0, 36);
    glBindVertexArray(0);
}

void RenderCameraGizmo(glm::vec3 position, glm::vec3 direction, glm::mat4 view, glm::mat4 projection)
{
    gizmoShader->Use();

    // Generate cone geometry (you may predefine this in a VAO/VBO instead of dynamically creating it every frame)
    constexpr int segments = 36;
    std::vector<GLfloat> coneVertices;

    // Add the tip of the cone (0, 1, 0)
    coneVertices.push_back(0.0f); // x
    coneVertices.push_back(1.0f); // y (tip height)
    coneVertices.push_back(0.0f); // z

    // Generate base vertices (radius = 1, centered at (0, 0, 0))
    for (int i = 0; i <= segments; ++i)
    {
        float angle = glm::radians(360.0f * i / segments);
        coneVertices.push_back(cos(angle)); // x
        coneVertices.push_back(0.0f);       // y
        coneVertices.push_back(sin(angle)); // z
    }

    GLuint VBO, VAO;
    glGenVertexArrays(1, &VAO);
    glGenBuffers(1, &VBO);

    glBindVertexArray(VAO);
    glBindBuffer(GL_ARRAY_BUFFER, VBO);
    glBufferData(GL_ARRAY_BUFFER, coneVertices.size() * sizeof(GLfloat), coneVertices.data(), GL_STATIC_DRAW);

    glEnableVertexAttribArray(0);
    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), (void *)0);

    // Model matrix for the gizmo
    glm::mat4 model = glm::mat4(1.0f);

    // Translate to the position
    model = glm::translate(model, position);

    // Rotate to align with the direction vector
    glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f);
    glm::quat rotation = glm::quatLookAt(glm::normalize(direction), up);
    model *= glm::mat4_cast(rotation);

    // Scale the cone for desired size
    model = glm::scale(model, glm::vec3(0.1f, 0.1f, 0.1f)); // Adjust scale as needed

    // Set uniforms
    glUniformMatrix4fv(glGetUniformLocation(gizmoShader->Program, "model"), 1, GL_FALSE, glm::value_ptr(model));
    glUniformMatrix4fv(glGetUniformLocation(gizmoShader->Program, "view"), 1, GL_FALSE, glm::value_ptr(view));
    glUniformMatrix4fv(glGetUniformLocation(gizmoShader->Program, "projection"), 1, GL_FALSE, glm::value_ptr(projection));

    // Set gizmo color (e.g., white)
    glUniform3f(glGetUniformLocation(gizmoShader->Program, "gizmoColor"), 1.0f, 1.0f, 1.0f);

    // Draw cone
    glDrawArrays(GL_TRIANGLE_FAN, 0, segments + 2); // +2: one for the tip, one to close the circle

    // Cleanup
    glBindVertexArray(0);
    glDeleteBuffers(1, &VBO);
    glDeleteVertexArrays(1, &VAO);
}

void SaveScene(const std::vector<std::shared_ptr<Entity>> &entities, const std::string &filename)
{
    YAML::Node sceneNode;

    for (const auto &entity : entities)
    {
        sceneNode["Entities"].push_back(entity->Serialize());
    }

    std::ofstream fout(filename);
    fout << sceneNode;
}

void LoadScene(std::vector<std::shared_ptr<Entity>> &entities, const std::string &filename)
{
    YAML::Node sceneNode = YAML::LoadFile(filename);
    entities.clear();

    if (sceneNode["Entities"])
    {
        for (const auto &entityNode : sceneNode["Entities"])
        {
            int id = entityNode["ID"].as<int>();
            std::string name = entityNode["Name"].as<std::string>();
            auto entity = std::make_shared<Entity>(id, name);
            entity->Deserialize(entityNode);
            entities.push_back(entity);
        }
    }
}

void UpdateGameWindowFocus()
{
    // Check if the current window is hovered
    // This should be called right after ImGui::Begin("Game View")
    gameWindowFocused = ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup);

    // Alternatively, to check if the window is focused:
    // gameWindowFocused = ImGui::IsWindowFocused(ImGuiFocusedFlags_AnyWindow);
}

void MouseCallback(GLFWwindow *window, double xpos, double ypos)
{

    ImGui_ImplGlfw_CursorPosCallback(window, xpos, ypos);
    if (gameWindowFocused)
    {
        static bool firstMouse = true;
        static double lastX = 0.0, lastY = 0.0;

        if (firstMouse)
        {
            lastX = xpos;
            lastY = ypos;
            firstMouse = false;
        }

        float deltaX = static_cast<float>(xpos - lastX);
        float deltaY = static_cast<float>(lastY - ypos); // Reversed since y-coordinates go from bottom to top

        lastX = xpos;
        lastY = ypos;

        // Only process mouse movement when the right mouse button is pressed
        if (glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_RIGHT) == GLFW_PRESS)
        {
            editorCamera.ProcessMouseMovement(deltaX, deltaY);
        }
    }
}

// Callback for scroll input
void ScrollCallback(GLFWwindow *window, double xoffset, double yoffset)
{
    if (gameWindowFocused)
    {
        editorCamera.ProcessMouseScroll(static_cast<float>(yoffset));
    }
}
// Custom mouse button callback
void CustomMouseButtonCallback(GLFWwindow *window, int button, int action, int mods)
{
    // Forward the event to ImGui
    ImGui_ImplGlfw_MouseButtonCallback(window, button, action, mods);

    // Your custom handling, e.g., camera controls
    // Example:
    // if (button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS)
    // {
    //     // Perform some action
    // }
}

void setupCube(GLfloat *vertices, size_t vertexArraySize, GLuint &cubeVAO, GLuint &cubeVBO,
               GLuint &framebuffer, GLuint &renderedTexture, GLuint &depthRenderbuffer,
               int textureWidth = 680, int textureHeight = 700)
{
    // Generate and bind the VAO and VBO
    glGenVertexArrays(1, &cubeVAO);
    glGenBuffers(1, &cubeVBO);

    // Fill the buffer with vertex data
    glBindBuffer(GL_ARRAY_BUFFER, cubeVBO);
    glBufferData(GL_ARRAY_BUFFER, vertexArraySize, vertices, GL_STATIC_DRAW);

    // Configure the VAO
    glBindVertexArray(cubeVAO);
    // Position attribute
    glEnableVertexAttribArray(0);
    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid *)0);
    // Normal attribute
    glEnableVertexAttribArray(1);
    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid *)(3 * sizeof(GLfloat)));

    // Unbind the buffer and VAO
    glBindBuffer(GL_ARRAY_BUFFER, 0);
    glBindVertexArray(0);

    // Create the framebuffer
    glGenFramebuffers(1, &framebuffer);
    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);

    // Create the texture to render to
    glGenTextures(1, &renderedTexture);
    glBindTexture(GL_TEXTURE_2D, renderedTexture);
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, textureWidth, textureHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

    // Attach the texture to the framebuffer
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, renderedTexture, 0);

    // Create a renderbuffer object for depth and stencil attachment
    glGenRenderbuffers(1, &depthRenderbuffer);
    glBindRenderbuffer(GL_RENDERBUFFER, depthRenderbuffer);
    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, textureWidth, textureHeight);
    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, depthRenderbuffer);

    // Check if the framebuffer is complete
    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
    {
        std::cerr << "Framebuffer not complete!" << std::endl;
    }

    // Unbind the framebuffer
    glBindFramebuffer(GL_FRAMEBUFFER, 0);
}

int main()
{
    std::cout << "Poly Engine 3D version " << POLY_VERSION_MAJOR << "." << POLY_VERSION_MINOR << std::endl;
    std::cout << "[Poly] Initializing..." << std::endl;

    std::cout << "[Poly] GLFW " << GLFW_VERSION_MAJOR << "." << GLFW_VERSION_MINOR << std::endl;

    // Initialize GLFW
    if (!glfwInit())
        return -1;

    // Create GLFW window
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    GLFWwindow *window = glfwCreateWindow(1280, 720, "Poly Engine", NULL, NULL);
    if (window == NULL)
    {
        glfwTerminate();
        return -1;
    }

    glfwMakeContextCurrent(window);
    glfwSwapInterval(settings.vsyncEnabled); // vsync

    // Initialize GLEW (or any other OpenGL loader)
    glewExperimental = GL_TRUE;
    if (glewInit() != GLEW_OK)
    {
        std::cerr << "Failed to initialize OpenGL loader!" << std::endl;
        return -1;
    }

    std::cout << "[Poly] Initializing ShaderCore" << std::endl;

    // Load shaders
    cubeShader = new Shader("./shaders/vertex_shader.glsl", "./shaders/fragment_shader.glsl");
    gizmoShader = new Shader("./shaders/gizmo_vertex_shader.glsl", "./shaders/gizmo_fragment_shader.glsl");
    // Initialization code (once during setup)
    previewShader = new Shader("shaders/preview_vertex.glsl", "shaders/preview_fragment.glsl");


    FrustumShader = new Shader("./shaders/cam_vertex.glsl", "./shaders/cam_frag.glsl");

    std::cout << "[Poly] Initializing ImportedCore" << std::endl;

    if (!ImportedModel.loadFromOBJ("./cottage_obj.obj"))
    {
        std::cerr << "Failed to load model!" << std::endl;
        return -1;
    }

    ImportedModel.textureID = ImportedModel.loadTexture("./assets/texture.png");

    // Cube vertex data
    // Cube vertex data (positions and normals)
    GLfloat vertices[] = {
        // Positions          // Normals
        -0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f, // Back face
        0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
        0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
        0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
        -0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
        -0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,

        -0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f, // Front face
        0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
        0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
        0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
        -0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
        -0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,

        -0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f, // Left face
        -0.5f, 0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
        -0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
        -0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
        -0.5f, -0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
        -0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,

        0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f, // Right face
        0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
        0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
        0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
        0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
        0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,

        -0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f, // Bottom face
        0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
        0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
        0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
        -0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
        -0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,

        -0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f, // Top face
        0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
        0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
        0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
        -0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
        -0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f};

    // Setup cube VAO
    glGenVertexArrays(1, &cubeVAO);
    glGenBuffers(1, &cubeVBO);

    // Fill buffer
    glBindBuffer(GL_ARRAY_BUFFER, cubeVBO);
    glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);

    // Link vertex attributes
    // Link vertex attributes
    glBindVertexArray(cubeVAO);
    // Position attribute
    glEnableVertexAttribArray(0);
    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid *)0);
    // Normal attribute
    glEnableVertexAttribArray(1);
    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid *)(3 * sizeof(GLfloat)));

    glBindBuffer(GL_ARRAY_BUFFER, 0);
    glBindVertexArray(0);

    // Create the framebuffer
    glGenFramebuffers(1, &framebuffer);
    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);

    // Create the texture to render to
    glGenTextures(1, &renderedTexture);
    glBindTexture(GL_TEXTURE_2D, renderedTexture);
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 680, 700, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

    // Attach the texture to the framebuffer
    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, renderedTexture, 0);

    // Create a renderbuffer object for depth and stencil attachment
    glGenRenderbuffers(1, &depthRenderbuffer);
    glBindRenderbuffer(GL_RENDERBUFFER, depthRenderbuffer);
    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 680, 700);
    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, depthRenderbuffer);

    // Check if framebuffer is complete
    if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
        std::cerr << "Framebuffer not complete!" << std::endl;

    glBindFramebuffer(GL_FRAMEBUFFER, 0); // Unbind framebuffer

    // Setup Dear ImGui context
    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO &io = ImGui::GetIO();
    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable docking

    // Setup Platform/Renderer bindings
    ImGui_ImplGlfw_InitForOpenGL(window, true);
    ImGui_ImplOpenGL3_Init("#version 330");

    SetupImGuiStyle();

    // Set input callbacks
    glfwSetCursorPosCallback(window, MouseCallback);
    glfwSetScrollCallback(window, ScrollCallback);
    glfwSetMouseButtonCallback(window, CustomMouseButtonCallback);

    std::cout << "[Poly] Initializing FontCore" << std::endl;

    io.Fonts->AddFontFromFileTTF("./fonts/primary.ttf", 14.0f);

    // Remove window borders and title bars
    ImGuiStyle &style = ImGui::GetStyle();
    style.WindowBorderSize = 0.0f;
    style.WindowRounding = 0.0f;

    double previousTime = glfwGetTime();
    int frameCount = 0;

    settings.maxLights = MAX_LIGHTS;

    // Our state


    std::cout << "[Poly] Starting" << std::endl;
    
    AddLogMessage("PolyEngine3D Version " + std::to_string(POLY_VERSION_MAJOR) + "." + std::to_string(POLY_VERSION_MINOR));


    // Main loop
    while (!glfwWindowShouldClose(window))
    {
        // Poll and handle events
        glfwPollEvents();

        settings.lightCount = totalLights;

        // Measure speed
        double currentTime = glfwGetTime();
        frameCount++;
        // If a second has passed.
        if (currentTime - previousTime >= 1.0)
        {
            // Display the frame count here any way you want.
            fps = frameCount;
            //AddLogMessage("FPS: " + std::to_string(fps));

            frameCount = 0;
            previousTime = currentTime;
        }

        // Start the ImGui frame
        ImGui_ImplOpenGL3_NewFrame();
        ImGui_ImplGlfw_NewFrame();
        ImGui::NewFrame();

        ImGui::SetNextWindowPos(ImVec2(0, 20));
        ImGui::SetNextWindowSize(ImGui::GetIO().DisplaySize);
        ImGui::SetNextWindowViewport(ImGui::GetMainViewport()->ID);

        ImGuiWindowFlags dockspaceFlags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize |
                                          ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse |
                                          ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus;

        ImGui::Begin("DockSpace Window", nullptr, dockspaceFlags);
        ImGuiID dockspaceID = ImGui::GetID("MainDockSpace");
        ImGui::DockSpace(dockspaceID, ImVec2(0.0f, 0.0f), ImGuiDockNodeFlags_None);
        ImGui::End();

        if (ImGui::BeginMainMenuBar())
        {
            if (ImGui::BeginMenu("File"))
            {
                if (ImGui::MenuItem("Save Scene"))
                {
                    SaveScene(entities, "./scene.polys");
                }

                if (ImGui::MenuItem("Save Scene as"))
                {

                    std::wstring selectedFile = SaveFileDialog();
                    if (!selectedFile.empty())
                    {
                        std::filesystem::path sourcePath(selectedFile);
                        std::filesystem::path destinationPath = assetsDir / sourcePath.filename();

                        SaveScene(entities, destinationPath.string());
                    }
                }
                if (ImGui::MenuItem("Load Scene"))
                {
                    LoadScene(entities, "./scene.polys");
                    selectedEntity = nullptr; // Reset selected entity
                }
                ImGui::EndMenu();
            }
            if (ImGui::BeginMenu("Engine"))
            {
                if (ImGui::MenuItem(GameRunning ? "Stop" : "Run"))
                {
                    if (!GameRunning)
                    {
                        SaveScene(entities, "./$tmpPly.polys");
                        selectedEntity = nullptr; // Reset selected entity
                        GameRunning = true;
                    }
                    else
                    {
                        LoadScene(entities, "./$tmpPly.polys");
                        selectedEntity = nullptr;
                        
                        GameRunning = false;
                    }
                }
                ImGui::EndMenu();
            }
            ImGui::EndMainMenuBar();
        }

        // Get the window size
        int display_w, display_h;
        glfwGetFramebufferSize(window, &display_w, &display_h);

        // Show windows
        DrawSettingsWindow(settings, fps, window);

        ShowEntityComponentTree(entities, selectedEntity);
        ShowInspector(selectedEntity);
        ShowGameView(entities);
        ShowCameraPreview(entities);

        ShowAssetPanel(assetsDir, selectedAsset);
        DrawLogTerminal("Info");

        // Rendering
        ImGui::Render();
        glViewport(0, 0, display_w, display_h);
        glClearColor(0.45f, 0.55f, 0.60f, 1.00f);
        glClear(GL_COLOR_BUFFER_BIT);

        // Render ImGui draw data
        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

        // Swap buffers
        glfwSwapBuffers(window);
    }

    std::cout << "[Poly] Closing..." << std::endl;

    // Cleanup ImGui and GLFW
    ImGui_ImplOpenGL3_Shutdown();
    ImGui_ImplGlfw_Shutdown();
    ImGui::DestroyContext();

    glfwDestroyWindow(window);
    glfwTerminate();

    // Cleanup OpenGL resources
    delete cubeShader;
    glDeleteVertexArrays(1, &cubeVAO);
    glDeleteBuffers(1, &cubeVBO);
    glDeleteFramebuffers(1, &framebuffer);
    glDeleteTextures(1, &renderedTexture);
    glDeleteRenderbuffers(1, &depthRenderbuffer);

    std::cout << "[Poly] Done!" << std::endl;

    return 0;
}

void RenderCube(glm::mat4 model, glm::mat4 view, glm::mat4 projection, glm::vec3 viewPos, glm::vec3 lightPos, glm::vec3 objectColor)
{
    cubeShader->Use();
    // Set uniforms
    glUniformMatrix4fv(glGetUniformLocation(cubeShader->Program, "model"), 1, GL_FALSE, glm::value_ptr(model));
    glUniformMatrix4fv(glGetUniformLocation(cubeShader->Program, "view"), 1, GL_FALSE, glm::value_ptr(view));
    glUniformMatrix4fv(glGetUniformLocation(cubeShader->Program, "projection"), 1, GL_FALSE, glm::value_ptr(projection));

    glUniform3fv(glGetUniformLocation(cubeShader->Program, "lightPos"), 1, glm::value_ptr(lightPos));
    glUniform3fv(glGetUniformLocation(cubeShader->Program, "viewPos"), 1, glm::value_ptr(viewPos));
    glUniform3fv(glGetUniformLocation(cubeShader->Program, "objectColor"), 1, glm::value_ptr(objectColor));
    glUniform1i(glGetUniformLocation(cubeShader->Program, "useTexture"), false);

    // Draw cube
    glBindVertexArray(cubeVAO);
    glDrawArrays(GL_TRIANGLES, 0, 36);
    glBindVertexArray(0);
}

void ShowEntityComponentTree(std::vector<std::shared_ptr<Entity>> &entities, std::shared_ptr<Entity> &selectedEntity)
{
    ImGui::Begin("Scene");

    // Button to add a new entity
    if (ImGui::Button("Add Entity"))
    {
        int newId = entities.size();
        auto newEntity = std::make_shared<Entity>(newId, "Entity " + std::to_string(newId));
        newEntity->AddComponent((std::make_shared<TransformComponent>()));
        entities.push_back(newEntity);
    }
    int __id = 0;

    // Loop through entities
    for (auto it = entities.begin(); it != entities.end();)
    {
        auto &entity = *it;
        ImGui::PushID(__id);
        __id++;

        ImGuiTreeNodeFlags nodeFlags = ImGuiTreeNodeFlags_OpenOnArrow;
        if (selectedEntity == entity)
            nodeFlags |= ImGuiTreeNodeFlags_Selected;

        bool nodeOpen = ImGui::TreeNodeEx((void *)(intptr_t)entity->id, nodeFlags, entity->name.c_str());
        if (ImGui::IsItemClicked())
        {
            selectedEntity = entity;
        }

        // Right-click context menu for entities
        if (ImGui::BeginPopupContextItem())
        {
            if (ImGui::MenuItem("Delete Entity"))
            {
                if (selectedEntity == entity)
                {
                    selectedEntity = nullptr;
                }
                it = entities.erase(it);
                ImGui::EndPopup();
                if (nodeOpen)
                    ImGui::TreePop();
                ImGui::PopID();
                continue;
            }
            ImGui::EndPopup();
        }

        if (nodeOpen)
        {
            // Display components
            for (const auto &compPair : entity->components)
            {
                auto &component = compPair.second;
                ImGuiTreeNodeFlags compFlags = ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen;
                ImGui::TreeNodeEx((void *)(intptr_t)(entity->id * 100 + (int)(intptr_t)component.get()), compFlags, component->GetName().c_str());
            }

            ImGui::TreePop();
        }

        ImGui::PopID();
        ++it;
    }

    ImGui::End(); // End of Entity Component Tree window
}

// Function to display error messages within the UI
void DisplayError(const std::string &message)
{
    ImGui::OpenPopup("Error");
    if (ImGui::BeginPopupModal("Error", NULL, ImGuiWindowFlags_AlwaysAutoResize))
    {
        ImGui::Text("%s", message.c_str());
        if (ImGui::Button("OK"))
        {
            ImGui::CloseCurrentPopup();
        }
        ImGui::EndPopup();
    }
}

// Function to display the Asset Panel as a Tree with enhanced visuals
void ShowAssetPanel(const std::filesystem::path &assetsDirectory, std::shared_ptr<Asset> &selectedAsset)
{
    ImGui::Begin("Asset Panel");

    // Search Bar
    static char searchBuffer[256] = "";
    ImGui::InputTextWithHint("##Search", "Search assets...", searchBuffer, IM_ARRAYSIZE(searchBuffer));
    ImGui::Separator();

    // Top Buttons: Refresh and Import
    if (ImGui::Button("➕ Import Asset"))
    {
        std::wstring selectedFile = OpenFileDialog();
        if (!selectedFile.empty())
        {
            // Convert std::wstring to std::filesystem::path
            std::filesystem::path sourcePath(selectedFile);
            std::filesystem::path destinationPath = assetsDirectory / sourcePath.filename();

            try
            {
                // Copy the selected file to the assets directory
                std::filesystem::copy_file(sourcePath, destinationPath, std::filesystem::copy_options::overwrite_existing);
                // Optionally, add a success notification
            }
            catch (const std::exception &e)
            {
                DisplayError("Error importing asset: " + std::string(e.what()));
            }
        }
    }

    ImGui::Separator();

    // Recursive lambda to display directories and files
    std::function<void(const std::filesystem::path &)> DisplayTree;
    DisplayTree = [&](const std::filesystem::path &directory)
    {
        for (const auto &entry : std::filesystem::directory_iterator(directory))
        {
            // Skip hidden files and directories
            if (entry.path().filename().string().front() == '.')
                continue;

            // Apply search filter
            if (strlen(searchBuffer) > 0)
            {
                std::string filename = entry.path().filename().string();
                std::string searchStr(searchBuffer);
                // Simple case-insensitive substring search
                std::transform(filename.begin(), filename.end(), filename.begin(), ::tolower);
                std::transform(searchStr.begin(), searchStr.end(), searchStr.begin(), ::tolower);
                if (filename.find(searchStr) == std::string::npos)
                    continue;
            }

            bool isDir = entry.is_directory();
            std::string label = entry.path().filename().string();

            // Push unique ID
            ImGui::PushID(entry.path().string().c_str());

            if (isDir)
            {
                // Folder Icon and Label
                std::string folderLabel = "\uF07B " + label;
                ImGuiTreeNodeFlags nodeFlags = ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
                if (selectedAsset && selectedAsset->path == entry.path())
                    nodeFlags |= ImGuiTreeNodeFlags_Selected;

                bool nodeOpen = ImGui::TreeNodeEx(folderLabel.c_str(), nodeFlags);

                // Tooltip on hover
                if (ImGui::IsItemHovered())
                {
                    ImGui::SetTooltip("Folder: %s", label.c_str());
                }

                // Context Menu for Folder
                if (ImGui::BeginPopupContextItem())
                {
                    if (ImGui::MenuItem("Rename"))
                    {
                        // Implement rename logic
                    }
                    if (ImGui::MenuItem("Delete"))
                    {
                        // Implement delete logic
                    }
                    ImGui::EndPopup();
                }

                if (nodeOpen)
                {
                    // Optionally, handle folder click (e.g., navigate into folder)
                    DisplayTree(entry.path());
                    ImGui::TreePop();
                }

                // Handle folder selection
                if (ImGui::IsItemClicked() && !ImGui::IsItemToggledOpen())
                {
                    // Optionally, set as selected asset or perform other actions
                }
            }
            else
            {
                // File Icon and Label
                std::string fileLabel = "\uF15B " + label;
                ImGuiTreeNodeFlags leafFlags = ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen;
                if (selectedAsset && selectedAsset->path == entry.path())
                    leafFlags |= ImGuiTreeNodeFlags_Selected;

                ImGui::TreeNodeEx(fileLabel.c_str(), leafFlags);

                // Tooltip on hover
                if (ImGui::IsItemHovered())
                {
                    std::string tooltip = "File: " + label + "\nSize: " + std::to_string(std::filesystem::file_size(entry.path())) + " bytes";
                    ImGui::SetTooltip("%s", tooltip.c_str());
                }

                // Context Menu for File
                if (ImGui::BeginPopupContextItem())
                {
                    if (ImGui::MenuItem("Open"))
                    {
                        if (entry.path().extension() == ".polys")
                        {
                            // Save current scene
                            SaveScene(entities, "./scene.polys");

                            // Load selected scene
                            LoadScene(entities, entry.path().string());

                            // Update selected asset
                            selectedAsset = std::make_shared<Asset>();
                            selectedAsset->path = entry.path();
                        }
                        // Handle other file types if needed
                    }
                    if (ImGui::MenuItem("Rename"))
                    {
                        // Implement rename logic
                    }
                    if (ImGui::MenuItem("Delete"))
                    {
                        // Implement delete logic
                    }
                    ImGui::EndPopup();
                }

                // Handle file selection
                if (ImGui::IsItemClicked() && !ImGui::IsItemToggledOpen())
                {
                    if (entry.path().extension() == ".polys")
                    {
                        // Save current scene
                        SaveScene(entities, "./scene.polys");

                        // Load selected scene
                        LoadScene(entities, entry.path().string());

                        // Update selected asset
                        selectedAsset = std::make_shared<Asset>();
                        selectedAsset->path = entry.path();
                    }
                    // Handle other file types if needed
                }
            }

            // Pop ID
            ImGui::PopID();
        }
    };

    // Start displaying the tree from the assets directory
    DisplayTree(assetsDirectory);

    ImGui::End(); // End of Asset Panel window
}

void ShowInspector(std::shared_ptr<Entity> &selectedEntity)
{
    ImGui::Begin("Inspector");

    // Display selected entity properties
    if (selectedEntity)
    {
        // Editable entity name
        char buffer[128];
        strncpy(buffer, selectedEntity->name.c_str(), sizeof(buffer));
        buffer[sizeof(buffer) - 1] = 0;
        if (ImGui::InputText("Name", buffer, sizeof(buffer)))
        {
            selectedEntity->name = buffer;
        }

        ImGui::Separator();

        // Add Component Button
        if (ImGui::Button("Add Component"))
        {
            ImGui::OpenPopup("AddComponentPopup");
        }

        if (ImGui::BeginPopup("AddComponentPopup"))
        {
            if (!selectedEntity->GetComponent<TransformComponent>())
            {
                if (ImGui::MenuItem("Transform Component"))
                {
                    selectedEntity->AddComponent(std::make_shared<TransformComponent>());
                }
            }
            if (!selectedEntity->GetComponent<RenderComponent>())
            {
                if (ImGui::MenuItem("Render Component"))
                {
                    selectedEntity->AddComponent(std::make_shared<RenderComponent>());
                }
            }
            if (!selectedEntity->GetComponent<LightComponent>())
            {
                if (ImGui::MenuItem("Light Component"))
                {
                    selectedEntity->AddComponent(std::make_shared<LightComponent>());
                }
            }
            // Corrected check for RigidBody3DComponent
            if (!selectedEntity->GetComponent<RigidBody3DComponent>())
            {
                if (ImGui::MenuItem("RigidBody3D Component"))
                {
                    selectedEntity->AddComponent(std::make_shared<RigidBody3DComponent>());
                }
            }
            // Add CollisionShape3DComponent
            if (!selectedEntity->GetComponent<CollisionShape3DComponent>())
            {
                if (ImGui::MenuItem("CollisionShape3D Component"))
                {
                    selectedEntity->AddComponent(std::make_shared<CollisionShape3DComponent>());
                }
            }
            // Add CameraComponent
            if (!selectedEntity->GetComponent<CameraComponent>())
            {
                if (ImGui::MenuItem("Camera Component"))
                {
                    selectedEntity->AddComponent(std::make_shared<CameraComponent>());
                }
            }
            ImGui::EndPopup();
        }

        ImGui::Separator();

        // Loop through all components of the selected entity
        for (auto it = selectedEntity->components.begin(); it != selectedEntity->components.end();)
        {
            auto &compPair = *it;
            auto &component = compPair.second;
            ImGui::PushID(component->GetName().c_str());

            if (ImGui::CollapsingHeader(component->GetName().c_str(), ImGuiTreeNodeFlags_DefaultOpen))
            {
                // Display component properties
                if (auto transform = std::dynamic_pointer_cast<TransformComponent>(component))
                {
                    ImGui::DragFloat3("Position", glm::value_ptr(transform->position), 0.1f);
                    ImGui::DragFloat3("Rotation", glm::value_ptr(transform->rotation), 0.1f);
                    ImGui::DragFloat3("Scale", glm::value_ptr(transform->scale), 0.1f);
                }
                else if (auto render = std::dynamic_pointer_cast<RenderComponent>(component))
                {
                    char meshBuffer[128];
                    strncpy(meshBuffer, render->meshName.c_str(), sizeof(meshBuffer));
                    meshBuffer[sizeof(meshBuffer) - 1] = 0;
                    if (ImGui::InputText("Mesh Name", meshBuffer, sizeof(meshBuffer)))
                    {
                        render->meshName = meshBuffer;
                    }

                    // Color picker for object color
                    ImGui::ColorEdit3("Color", glm::value_ptr(render->color));
                }
                else if (auto light = std::dynamic_pointer_cast<LightComponent>(component))
                {
                    // Light Type
                    const char *lightTypes[] = {"Point", "Directional", "Spot"};
                    int typeIndex = static_cast<int>(light->type);
                    if (ImGui::Combo("Type", &typeIndex, lightTypes, IM_ARRAYSIZE(lightTypes)))
                    {
                        light->type = static_cast<LightType>(typeIndex);
                    }

                    // Color and Intensity
                    ImGui::ColorEdit3("Color", glm::value_ptr(light->color));
                    ImGui::DragFloat("Intensity", &light->intensity, 0.1f, 0.0f, 10.0f);

                    // Attenuation Factors for Point Lights
                    if (light->type == LightType::Point)
                    {
                        ImGui::DragFloat("Constant", &light->constant, 0.01f, 0.0f, 1.0f);
                        ImGui::DragFloat("Linear", &light->linear, 0.01f, 0.0f, 1.0f);
                        ImGui::DragFloat("Quadratic", &light->quadratic, 0.01f, 0.0f, 1.0f);
                    }

                    // Direction for Directional Lights
                    if (light->type == LightType::Directional)
                    {
                        ImGui::DragFloat3("Direction", glm::value_ptr(light->direction), 0.1f);
                    }

                    if (light->type == LightType::Spot)
                    {
                        ImGui::DragFloat("cutOff", &light->cutOff, 0.01f, 0.0f, 10.0f);
                        ImGui::DragFloat("outerCutOff", &light->outerCutOff, 0.01f, 0.0f, 50.0f);
                    }
                }
                else if (auto rigidBody = std::dynamic_pointer_cast<RigidBody3DComponent>(component))
                {
                    ImGui::DragFloat3("Velocity", glm::value_ptr(rigidBody->velocity), 0.1f);
                    ImGui::DragFloat3("Acceleration", glm::value_ptr(rigidBody->acceleration), 0.1f);
                    ImGui::DragFloat("Mass", &rigidBody->mass, 0.1f, 0.1f, 100.0f);

                    // RigidBody Type
                    const char *rbTypes[] = {"Static", "Dynamic", "Kinematic"};
                    int typeIndex = static_cast<int>(rigidBody->type);
                    if (ImGui::Combo("Type", &typeIndex, rbTypes, IM_ARRAYSIZE(rbTypes)))
                    {
                        rigidBody->type = static_cast<RigidBodyType>(typeIndex);
                    }
                }
                else if (auto collisionShape = std::dynamic_pointer_cast<CollisionShape3DComponent>(component))
                {
                    // Shape Type
                    const char *shapeTypes[] = {"Box", "Sphere", "Capsule"};
                    int shapeIndex = static_cast<int>(collisionShape->shapeType);
                    if (ImGui::Combo("Shape Type", &shapeIndex, shapeTypes, IM_ARRAYSIZE(shapeTypes)))
                    {
                        collisionShape->shapeType = static_cast<CollisionShapeType>(shapeIndex);
                    }

                    // Display properties based on shape type
                    switch (collisionShape->shapeType)
                    {
                    case CollisionShapeType::Box:
                        ImGui::DragFloat3("Size", glm::value_ptr(collisionShape->size), 0.1f, 0.1f, 100.0f);
                        break;
                    case CollisionShapeType::Sphere:
                        ImGui::DragFloat("Radius", &collisionShape->radius, 0.1f, 0.1f, 100.0f);
                        break;
                    case CollisionShapeType::Capsule:
                        ImGui::DragFloat3("Direction", glm::value_ptr(collisionShape->direction), 0.1f);
                        ImGui::DragFloat("Height", &collisionShape->height, 0.1f, 0.1f, 100.0f);
                        break;
                    // Add UI elements for additional shapes here
                    default:
                        break;
                    }
                }
                else if (auto camera = std::dynamic_pointer_cast<CameraComponent>(component))
                {
                    // Field of View (FOV) slider
                    ImGui::DragFloat("Field of View", &camera->fov, 1.0f, 1.0f, 120.0f, "%.1f degrees");

                    // Toggle between Orthographic and Perspective projection
                    ImGui::Checkbox("Orthographic", &camera->orthographic);

                    // Near Plane slider
                    ImGui::DragFloat("Near Plane", &camera->nearPlane, 0.1f, 0.1f, camera->farPlane - 0.1f, "%.1f");

                    // Far Plane slider
                    ImGui::DragFloat("Far Plane", &camera->farPlane, 1.0f, camera->nearPlane + 0.1f, 1000.0f, "%.1f");

                    // Additional Camera Utilities (Optional)
                    // Example: Zoom control if applicable
                    ImGui::DragFloat("Zoom", &camera->zoom, 0.1f, 1.0f, 100.0f, "%.1f");

                    // Example: Projection Type Dropdown (if more projection types are supported)
                    /*
                    const char* projectionTypes[] = { "Perspective", "Orthographic" };
                    int currentProjection = camera->orthographic ? 1 : 0;
                    if (ImGui::Combo("Projection Type", &currentProjection, projectionTypes, IM_ARRAYSIZE(projectionTypes)))
                    {
                        camera->orthographic = (currentProjection == 1);
                    }
                    */
                }

                // Button to remove the component
                if (strcmp(component->GetName().c_str(), "Transform") != 0)
                {
                    if (ImGui::Button(("Remove " + component->GetName()).c_str()))
                    {
                        it = selectedEntity->components.erase(it);
                        ImGui::Separator();
                        ImGui::PopID();

                        continue; // Continue as the iterator is updated
                    }
                }
            }
            ImGui::PopID();
            ++it;
        }
    }
    else
    {
        ImGui::Text("No entity selected.");
    }

    ImGui::End(); // End of Inspector window
}

// Function to manipulate the Editor Camera using ImGuizmo
void ManipulateEditorCamera(EditorCamera &editorCamera, float aspectRatio)
{
    // Initialize ImGuizmo
    ImGuizmo::BeginFrame();

    // Define the view and projection matrices
    glm::mat4 view = editorCamera.GetViewMatrix();
    glm::mat4 projection = editorCamera.GetProjectionMatrix(aspectRatio);

    // Define the model matrix for the gizmo (identity since we're manipulating the camera itself)
    glm::mat4 model = glm::mat4(1.0f);

    // Set the ImGuizmo rectangle to the entire window or a specific region
    ImGuizmo::SetOrthographic(false); // Set to true if using orthographic projection
    ImGuizmo::SetRect(ImGui::GetWindowPos().x, ImGui::GetWindowPos().y,
                      ImGui::GetWindowWidth(), ImGui::GetWindowHeight());

    // Define operation and mode
    ImGuizmo::OPERATION operation = ImGuizmo::ROTATE; // Allow rotation manipulation
    ImGuizmo::MODE mode = ImGuizmo::LOCAL;

    // Render the gizmo
    ImGuizmo::Manipulate(
        glm::value_ptr(view),
        glm::value_ptr(projection),
        operation,
        mode,
        glm::value_ptr(model));

    // If the gizmo is being used, extract the updated rotation
    if (ImGuizmo::IsUsing())
    {
        // Calculate the new rotation based on the manipulation
        // Since we're only rotating around the Z-axis for 2D, extract that component
        float angle = glm::degrees(atan2(view[0][1], view[0][0])) * 1.0f;

        // Assuming `angle` corresponds to `yaw`, update the yaw accordingly
        editorCamera.SetYaw(angle);

        // Alternatively, if you need to process it as a delta change:
        // editorCamera.ProcessMouseMovement(deltaYaw, deltaPitch);
    }
}

void DrawImGuizmo(TransformComponent &transform, glm::mat4 &view, glm::mat4 &projection)
{
    if (GameRunning) {return;}
    // Ensure ImGuizmo context is initialized
    ImGuizmo::BeginFrame();

    // Configure ImGuizmo
    ImGuizmo::SetOrthographic(false);
    ImGuizmo::SetDrawlist();

    // Set workspace to current ImGui window
    ImVec2 windowSize = ImGui::GetWindowSize();
    ImVec2 windowPos = ImGui::GetWindowPos();
    ImGuizmo::SetRect(windowPos.x, windowPos.y, windowSize.x, windowSize.y);

    // Create the model matrix from TransformComponent
    glm::quat rotationQuat = glm::quat(glm::radians(transform.rotation)); // Convert Euler to Quaternion
    glm::mat4 model = glm::translate(glm::mat4(1.0f), transform.position) *
                      glm::mat4_cast(rotationQuat) * // Use quaternion for rotation
                      glm::scale(glm::mat4(1.0f), transform.scale);

    // Operation type (Translate, Rotate, Scale)
    static ImGuizmo::OPERATION currentOperation = ImGuizmo::TRANSLATE;
    if (ImGui::IsKeyPressed(ImGuiKey_T))
        currentOperation = ImGuizmo::TRANSLATE;
    if (ImGui::IsKeyPressed(ImGuiKey_R))
        currentOperation = ImGuizmo::ROTATE;
    if (ImGui::IsKeyPressed(ImGuiKey_S))
        currentOperation = ImGuizmo::SCALE;

    // Transformation mode (LOCAL or WORLD)
    static ImGuizmo::MODE currentMode = ImGuizmo::LOCAL;
    if (ImGui::IsKeyPressed(ImGuiKey_L))
        currentMode = ImGuizmo::LOCAL;
    if (ImGui::IsKeyPressed(ImGuiKey_W))
        currentMode = ImGuizmo::WORLD;

    // Manipulate the model matrix
    glm::mat4 manipulatedMatrix = model;
    if (ImGuizmo::Manipulate(glm::value_ptr(view), glm::value_ptr(projection), currentOperation, currentMode, glm::value_ptr(manipulatedMatrix)))
    {
        // Decompose the manipulated matrix
        glm::vec3 translation, scale, skew;
        glm::vec4 perspective;
        glm::quat rotation;

        glm::decompose(manipulatedMatrix, scale, rotation, translation, skew, perspective);

        // Update TransformComponent based on the current operation
        if (currentOperation == ImGuizmo::TRANSLATE)
        {
            transform.position = translation;
        }
        else if (currentOperation == ImGuizmo::ROTATE)
        {
            // Update the quaternion rotation directly
            glm::quat deltaRotation = glm::inverse(rotationQuat) * rotation;   // Compute rotation delta
            rotationQuat = glm::normalize(rotationQuat * deltaRotation);       // Apply rotation delta
            transform.rotation = glm::degrees(glm::eulerAngles(rotationQuat)); // Convert to Euler for display/storage
        }
        else if (currentOperation == ImGuizmo::SCALE)
        {
            transform.scale = scale;
        }

        // Clamp rotation to [0, 360]
        transform.rotation = glm::mod(transform.rotation, glm::vec3(360.0f));
    }
}

// Function to create a rotation matrix from Euler angles (in degrees)
glm::mat4 GetRotationMatrix(const TransformComponent *transform)
{
    // Convert Euler angles from degrees to radians
    float yaw = glm::radians(transform->rotation.y);   // Yaw (rotation around Y-axis)
    float pitch = glm::radians(transform->rotation.x); // Pitch (rotation around X-axis)
    float roll = glm::radians(transform->rotation.z);  // Roll (rotation around Z-axis)

    // Start with an identity matrix
    glm::mat4 rotation = glm::mat4(1.0f);

    // Apply yaw (Y-axis rotation)
    rotation = glm::rotate(rotation, yaw, glm::vec3(0.0f, 1.0f, 0.0f));

    // Apply pitch (X-axis rotation)
    rotation = glm::rotate(rotation, pitch, glm::vec3(1.0f, 0.0f, 0.0f));

    // Apply roll (Z-axis rotation)
    rotation = glm::rotate(rotation, roll, glm::vec3(0.0f, 0.0f, 1.0f));

    return rotation;
}

void ShowCameraPreview(std::vector<std::shared_ptr<Entity>> &entities)
{
    ImGui::Begin("Camera Preview");

    // Get the window size for rendering
    ImVec2 windowSize = ImGui::GetContentRegionAvail();
    int texWidth = static_cast<int>(windowSize.x);
    int texHeight = static_cast<int>(windowSize.y);

    // Initialize framebuffer if not done
    static Framebuffer fb = {0, 0, 0};
    static bool framebufferInitialized = false;

    if (!framebufferInitialized || texWidth != 0 || texHeight != 0) {
        if (framebufferInitialized) {
            // Delete previous framebuffer resources
            glDeleteFramebuffers(1, &fb.FBO);
            glDeleteTextures(1, &fb.texture);
            glDeleteRenderbuffers(1, &fb.RBO);
        }
        fb = InitFramebuffer(texWidth, texHeight);
        framebufferInitialized = true;
    }

    // Bind the framebuffer
    glBindFramebuffer(GL_FRAMEBUFFER, fb.FBO);

    // Set viewport to match the framebuffer size
    glViewport(0, 0, texWidth, texHeight);

    // Clear the framebuffer
    glEnable(GL_DEPTH_TEST);
    glClearColor(0.2f, 0.2f, 0.2f, 1.0f); // Slightly lighter background for visibility
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // Find the camera entity
    std::shared_ptr<CameraComponent> activeGameCamera = GetActiveGameCamera(entities);
    std::shared_ptr<Entity> cameraEntity = FindEntityWithCamera(entities, activeGameCamera);
    if (cameraEntity)
    {
        auto camera = cameraEntity->GetComponent<CameraComponent>();
        auto transform = cameraEntity->GetComponent<TransformComponent>();

        if (camera && transform)
        {
            // Compute view and projection matrices
            glm::mat4 viewMatrix = camera->GetViewMatrix(transform->position, transform->rotation);
            glm::mat4 projectionMatrix = camera->GetProjectionMatrix(static_cast<float>(texWidth) / static_cast<float>(texHeight));

            // Use the minimal shader
            previewShader->Use();

            // Set uniforms
            glUniformMatrix4fv(glGetUniformLocation(previewShader->Program, "view"), 1, GL_FALSE, glm::value_ptr(viewMatrix));
            glUniformMatrix4fv(glGetUniformLocation(previewShader->Program, "projection"), 1, GL_FALSE, glm::value_ptr(projectionMatrix));
            
            

            // Render all entities except the camera itself
            for (const auto &entity : entities)
            {
                if (entity == cameraEntity)
                    continue; // Skip the camera entity

                auto render = entity->GetComponent<RenderComponent>();
                auto entityTransform = entity->GetComponent<TransformComponent>();

                if (render && entityTransform)
                {
                    // Compute model matrix
                    glm::mat4 model = glm::mat4(1.0f);
                    model = glm::translate(model, entityTransform->position);
                    model = glm::rotate(model, glm::radians(entityTransform->rotation.x), glm::vec3(1, 0, 0));
                    model = glm::rotate(model, glm::radians(entityTransform->rotation.y), glm::vec3(0, 1, 0));
                    model = glm::rotate(model, glm::radians(entityTransform->rotation.z), glm::vec3(0, 0, 1));
                    model = glm::scale(model, entityTransform->scale);

                    // Set model and object color
                    glUniformMatrix4fv(glGetUniformLocation(previewShader->Program, "model"), 1, GL_FALSE, glm::value_ptr(model));
                    glUniform3fv(glGetUniformLocation(previewShader->Program, "objectColor"), 1, glm::value_ptr(render->color));
                    

                    // Bind VAO and draw
                    glBindVertexArray(cubeVAO);
                    glDrawArrays(GL_TRIANGLES, 0, 36); // Assuming a cube with 36 vertices
                    glBindVertexArray(0);
                }
            }
        }
    }
    else
    {
        // No camera found, display a message
        ImGui::Text("No camera entity found.");
    }

    // Unbind framebuffer
    glBindFramebuffer(GL_FRAMEBUFFER, 0);
    glDisable(GL_DEPTH_TEST);

    // Display the rendered texture in ImGui
    ImGui::Image((intptr_t)fb.texture, windowSize, ImVec2(0,1), ImVec2(1,0));

    ImGui::End(); // End of Camera Preview window
}

// Updated ShowGameView function
void ShowGameView(std::vector<std::shared_ptr<Entity>> &entities)
{
    ImGui::Begin("Game View");
    UpdateGameWindowFocus();

    // Get the window size for rendering
    ImVec2 windowSize = ImGui::GetContentRegionAvail();

    // Update the framebuffer and texture size if the window size changes
    static int prevWidth = 0;
    static int prevHeight = 0;
    int texWidth = static_cast<int>(windowSize.x);
    int texHeight = static_cast<int>(windowSize.y);

    if (texWidth != prevWidth || texHeight != prevHeight)
    {
        prevWidth = texWidth;
        prevHeight = texHeight;

        // Resize the texture
        glBindTexture(GL_TEXTURE_2D, renderedTexture);
        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texWidth, texHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);

        // Resize the depth renderbuffer
        glBindRenderbuffer(GL_RENDERBUFFER, depthRenderbuffer);
        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, texWidth, texHeight);
    }

    // Bind the framebuffer
    glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);

    // Set viewport to match the framebuffer size
    glViewport(0, 0, texWidth, texHeight);

    // Clear the framebuffer
    glEnable(GL_DEPTH_TEST);
    glClearColor(0.1f, 0.1f, 0.1f, 1.0f); // Dark background
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // Determine which camera to use based on GameRunning
    glm::mat4 viewMatrix;
    glm::mat4 projectionMatrix;
    glm::vec3 cameraPosition;

    if (!GameRunning)
    {
        // Editor Mode: Use editor camera
        viewMatrix = editorCamera.GetViewMatrix();
        projectionMatrix = editorCamera.GetProjectionMatrix(static_cast<float>(texWidth) / static_cast<float>(texHeight));
        // Use the getter method to access the position
        cameraPosition = editorCamera.GetPosition();
    }

    else
    {
        // **Game Mode**
        auto activeGameCamera = GetActiveGameCamera(entities);
        if (activeGameCamera)
        {
            // Find the entity that owns this CameraComponent
            std::shared_ptr<Entity> cameraEntity = FindEntityWithCamera(entities, activeGameCamera);
            if (cameraEntity)
            {
                // Retrieve the TransformComponent from the camera's entity
                auto transform = cameraEntity->GetComponent<TransformComponent>();
                if (transform)
                {
                    // Get position and rotation from TransformComponent
                    glm::vec3 position = transform->position;
                    glm::vec3 rotation = transform->rotation; // Assuming rotation.x = Pitch, rotation.y = Yaw, rotation.z = Roll

                    // Compute view and projection matrices using CameraComponent and TransformComponent data
                    viewMatrix = activeGameCamera->GetViewMatrix(position, rotation);
                    projectionMatrix = activeGameCamera->GetProjectionMatrix(static_cast<float>(texWidth) / static_cast<float>(texHeight));
                    cameraPosition = position;
                }
                else
                {
                    // Fallback if TransformComponent is missing
                    viewMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(0, 0, -5));
                    projectionMatrix = glm::perspective(glm::radians(45.0f), static_cast<float>(texWidth) / static_cast<float>(texHeight), 0.1f, 100.0f);
                    cameraPosition = glm::vec3(0, 0, 5);
                }
            }
            else
            {
                // Fallback if no entity is found with activeGameCamera
                viewMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(0, 0, -5));
                projectionMatrix = glm::perspective(glm::radians(45.0f), static_cast<float>(texWidth) / static_cast<float>(texHeight), 0.1f, 100.0f);
                cameraPosition = glm::vec3(0, 0, 5);
            }
        }
        else
        {
            // Fallback to default view if no CameraComponent is active
            viewMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(0, 0, -5));
            projectionMatrix = glm::perspective(glm::radians(45.0f), static_cast<float>(texWidth) / static_cast<float>(texHeight), 0.1f, 100.0f);
            cameraPosition = glm::vec3(0, 0, 5);
        }
    }

    // Collect lights from entities
    std::vector<std::pair<LightComponent *, TransformComponent *>> lights;
    for (const auto &entity : entities)
    {
        auto light = entity->GetComponent<LightComponent>();
        auto transform = entity->GetComponent<TransformComponent>();
        if (light && transform)
        {
            lights.emplace_back(light.get(), transform.get());
        }
    }

    // Set up shader for rendering
    cubeShader->Use();

    // Set camera position
    glUniform3fv(glGetUniformLocation(cubeShader->Program, "viewPos"), 1, glm::value_ptr(cameraPosition));
    glUniform1i(glGetUniformLocation(cubeShader->Program, "useTexture"), false);

    // Set view and projection matrices
    glUniformMatrix4fv(glGetUniformLocation(cubeShader->Program, "view"), 1, GL_FALSE, glm::value_ptr(viewMatrix));
    glUniformMatrix4fv(glGetUniformLocation(cubeShader->Program, "projection"), 1, GL_FALSE, glm::value_ptr(projectionMatrix));

    // Initialize light counts
    int pointLightCount = 0;
    int dirLightCount = 0;
    int spotLightCount = 0;

    // Iterate over all lights and categorize them
    for (size_t i = 0; i < lights.size(); ++i)
    {
        LightComponent *light = lights[i].first;
        TransformComponent *lightTransform = lights[i].second;

        // Determine light type and process accordingly
        switch (light->type)
        {
        case LightType::Point:
        {
            if (pointLightCount >= MAX_POINT_LIGHTS)
                break;

            std::string baseName = "pointLights[" + std::to_string(pointLightCount) + "]";

            // Set Point Light properties
            glUniform3fv(glGetUniformLocation(cubeShader->Program, (baseName + ".position").c_str()), 1, glm::value_ptr(lightTransform->position));
            glUniform3fv(glGetUniformLocation(cubeShader->Program, (baseName + ".color").c_str()), 1, glm::value_ptr(light->color * light->intensity));

            glUniform1f(glGetUniformLocation(cubeShader->Program, (baseName + ".constant").c_str()), light->constant);
            glUniform1f(glGetUniformLocation(cubeShader->Program, (baseName + ".linear").c_str()), light->linear);
            glUniform1f(glGetUniformLocation(cubeShader->Program, (baseName + ".quadratic").c_str()), light->quadratic);

            pointLightCount++;
            break;
        }
        case LightType::Directional:
        {
            if (dirLightCount >= MAX_DIR_LIGHTS)
                break;

            std::string baseName = "dirLights[" + std::to_string(dirLightCount) + "]";

            // Obtain the rotation matrix from the TransformComponent
            glm::mat4 rotationMatrix = GetRotationMatrix(lightTransform);

            // Transform the light's direction vector to world space
            glm::vec3 worldDirection = glm::normalize(glm::vec3(rotationMatrix * glm::vec4(light->direction, 0.0)));

            // Set Directional Light properties with transformed direction
            glUniform3fv(glGetUniformLocation(cubeShader->Program, (baseName + ".direction").c_str()), 1, glm::value_ptr(worldDirection));
            glUniform3fv(glGetUniformLocation(cubeShader->Program, (baseName + ".color").c_str()), 1, glm::value_ptr(light->color * light->intensity));

            dirLightCount++;
            break;
        }
        case LightType::Spot:
        {
            if (spotLightCount >= MAX_SPOT_LIGHTS)
                break;

            std::string baseName = "spotLights[" + std::to_string(spotLightCount) + "]";

            // Set Spotlight position
            GLint posLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".position").c_str());
            glUniform3fv(posLoc, 1, glm::value_ptr(lightTransform->position));

            // Create rotation matrix from TransformComponent
            glm::mat4 rotationMatrix = GetRotationMatrix(lightTransform);

            // Transform the spotlight's direction vector to world space
            glm::vec3 worldDirection = glm::normalize(glm::vec3(rotationMatrix * glm::vec4(light->direction, 0.0f)));

            // Set Spotlight direction
            GLint dirLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".direction").c_str());
            glUniform3fv(dirLoc, 1, glm::value_ptr(worldDirection));

            // Set Spotlight color and intensity
            GLint colorLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".color").c_str());
            glUniform3fv(colorLoc, 1, glm::value_ptr(light->color * light->intensity));

            // Set cutoff angles (ensure they are the cosine of the angles in radians)
            float cutOff = glm::cos(glm::radians(light->cutOff));
            float outerCutOff = glm::cos(glm::radians(light->outerCutOff));

            GLint cutOffLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".cutOff").c_str());
            glUniform1f(cutOffLoc, cutOff);

            GLint outerCutOffLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".outerCutOff").c_str());
            glUniform1f(outerCutOffLoc, outerCutOff);

            // Set attenuation factors
            GLint constLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".constant").c_str());
            glUniform1f(constLoc, light->constant);

            GLint linearLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".linear").c_str());
            glUniform1f(linearLoc, light->linear);

            GLint quadraticLoc = glGetUniformLocation(cubeShader->Program, (baseName + ".quadratic").c_str());
            glUniform1f(quadraticLoc, light->quadratic);

            spotLightCount++;
            break;
        }

        default:
            // Handle unknown light types if necessary
            break;
        }
    }

    // Pass light counts to the shader
    glUniform1i(glGetUniformLocation(cubeShader->Program, "numPointLights"), pointLightCount);
    glUniform1i(glGetUniformLocation(cubeShader->Program, "numDirLights"), dirLightCount);
    glUniform1i(glGetUniformLocation(cubeShader->Program, "numSpotLights"), spotLightCount);

    // Render entities
    for (const auto &entity : entities)
    {
        auto transform = entity->GetComponent<TransformComponent>();
        auto render = entity->GetComponent<RenderComponent>();

        if (transform && render)
        {
            glm::mat4 model = glm::mat4(1.0f);
            model = glm::translate(model, transform->position);
            model = glm::rotate(model, glm::radians(transform->rotation.x), glm::vec3(1, 0, 0));
            model = glm::rotate(model, glm::radians(transform->rotation.y), glm::vec3(0, 1, 0));
            model = glm::rotate(model, glm::radians(transform->rotation.z), glm::vec3(0, 0, 1));
            model = glm::scale(model, transform->scale);

            // Set model matrix
            glUniformMatrix4fv(glGetUniformLocation(cubeShader->Program, "model"), 1, GL_FALSE, glm::value_ptr(model));

            // Set object color
            glUniform3fv(glGetUniformLocation(cubeShader->Program, "objectColor"), 1, glm::value_ptr(render->color));

            if (render->meshName == "model")
            {
                ImportedModel.render(transform, render, cubeShader);
            }
            else
            {
                // Draw cube
                glBindVertexArray(cubeVAO);
                glDrawArrays(GL_TRIANGLES, 0, 36);
                glBindVertexArray(0);
            }
        }
    }

    if (!GameRunning)
    {

        // auto camera = GetActiveGameCamera(entities);
        // auto entity = FindEntityWithCamera(entities, camera);
        // if (entity)
        //{
        //     auto transform = entity->GetComponent<TransformComponent>();
        //     // Get position and rotation from TransformComponent
        //     glm::vec3 position = transform->position;
        //     RenderCameraGizmo(position, glm::vec3(0.1f,0.1f,0.1f), viewMatrix, projectionMatrix);
        // }
        totalLights = 0;
        // Render light gizmos (if any)
        for (const auto &lightPair : lights)
        {
            // LightComponent *light = lightPair.first;
            TransformComponent *lightTransform = lightPair.second;
            totalLights++;
            RenderLightGizmo(lightTransform->position, viewMatrix, projectionMatrix);
        }
    }

    glBindFramebuffer(GL_FRAMEBUFFER, 0); // Unbind framebuffer

    glDisable(GL_DEPTH_TEST);

    // Display the rendered texture in ImGui
    ImGui::Image((intptr_t)renderedTexture, windowSize, ImVec2(0, 1), ImVec2(1, 0));
    glm::mat4 view = editorCamera.GetViewMatrix();
    glm::mat4 projection = glm::perspective(glm::radians(45.0f), (static_cast<float>(texWidth) / static_cast<float>(texHeight)), 0.1f, 100.0f);

    // Assume `selectedEntity` is the entity being manipulated
    if (selectedEntity)
    {
        auto transform = selectedEntity->GetComponent<TransformComponent>();
        if (transform)
        {
            gizmoShader->Use();
            DrawImGuizmo(*transform, view, projection);
            // std::cout << "1" << std::endl;
        }
    }

    ImGui::End(); // End of Game View window
}