Added a simple scene system

.vscode/settings.json

@@ -4,6 +4,77 @@
         "*.js": "javascript",
         "*.c": "c",
         "*.scene": "yaml",
-        "iostream": "cpp"
+        "iostream": "cpp",
+        "any": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "bitset": "cpp",
+        "cctype": "cpp",
+        "charconv": "cpp",
+        "chrono": "cpp",
+        "cinttypes": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "forward_list": "cpp",
+        "list": "cpp",
+        "map": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "regex": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "format": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "iosfwd": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "semaphore": "cpp",
+        "shared_mutex": "cpp",
+        "span": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "stop_token": "cpp",
+        "streambuf": "cpp",
+        "text_encoding": "cpp",
+        "thread": "cpp",
+        "typeinfo": "cpp",
+        "variant": "cpp"
     }
 }

Editor/editor.cpp

@@ -12,6 +12,8 @@
 #include <glm/gtc/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 #include "stb_image.h"
+#include <fstream>
+#include <yaml-cpp/yaml.h>
 
 using std::vector;
 
@@ -46,7 +48,6 @@ bool LoadIconTexture(const char* filepath, GLuint &texOut, ImTextureID &imTexOut
     return true;
 }
 
-
 // Editor camera.
 struct EditorCamera {
     glm::vec3 position = glm::vec3(0.0f, 0.0f, 8.0f);
@@ -166,8 +167,6 @@ int main() {
         glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
         glClear(GL_COLOR_BUFFER_BIT);
 
-
-
         ImGui_ImplOpenGL3_NewFrame();
         ImGui_ImplGlfw_NewFrame();
         ImGui::NewFrame();
@@ -213,6 +212,59 @@ int main() {
         }
         ImGui::End();
 
+        // New Panel: File Operations (Save/Load).
+        ImGui::Begin("Scene File");
+        if (ImGui::Button("Save")) {
+            YAML::Emitter out;
+            out << YAML::BeginMap;
+            // Save an array of entities.
+            out << YAML::Key << "entities" << YAML::Value << YAML::BeginSeq;
+            for (auto e : entities) {
+                out << YAML::BeginMap;
+                // Save the type.
+                out << YAML::Key << "type" << YAML::Value << (e->GetType() == EntityType::CUBE ? "cube" : "light");
+                // Save transform.
+                out << YAML::Key << "transform" << YAML::Value << e->transform.Save();
+                // Save model component if cube.
+                if (e->GetType() == EntityType::CUBE && e->modelComponent) {
+                    out << YAML::Key << "model" << YAML::Value << e->modelComponent->Save();
+                }
+                // Save light component if light.
+                if (e->GetType() == EntityType::LIGHT && e->lightComponent) {
+                    out << YAML::Key << "light" << YAML::Value << e->lightComponent->Save();
+                }
+                out << YAML::EndMap;
+            }
+            out << YAML::EndSeq;
+            out << YAML::EndMap;
+
+            std::ofstream fout("default.yaml");
+            fout << out.c_str();
+            fout.close();
+        }
+        if (ImGui::Button("Load")) {
+            YAML::Node node = YAML::LoadFile("default.yaml");
+            if (node["entities"]) {
+                YAML::Node entitiesNode = node["entities"];
+                int idx = 0;
+                for (auto entityNode : entitiesNode) {
+                    if (idx < entities.size()) {
+                        // Load transform.
+                        if (entityNode["transform"])
+                            entities[idx]->transform.Load(entityNode["transform"]);
+                        // Load model for cubes.
+                        if (entities[idx]->GetType() == EntityType::CUBE && entityNode["model"])
+                            entities[idx]->modelComponent->Load(entityNode["model"]);
+                        // Load light for lights.
+                        if (entities[idx]->GetType() == EntityType::LIGHT && entityNode["light"])
+                            entities[idx]->lightComponent->Load(entityNode["light"]);
+                    }
+                    idx++;
+                }
+            }
+        }
+        ImGui::End();
+
         // Bottom Panel: Rendered Output.
         ImGui::Begin("Rendered Output");
         ImVec2 viewportSize = ImGui::GetContentRegionAvail();

Engine/Components/Camera.h

@@ -4,6 +4,7 @@
 #include "Component.h"
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>
+#include <yaml-cpp/yaml.h>
 
 // A simple Camera component that inherits from Component.
 class Camera : public Component {
@@ -32,6 +33,46 @@ public:
     float GetYaw() const;
     float GetPitch() const;
 
+    // Save the camera state to a YAML node.
+    virtual YAML::Node Save() const override {
+        YAML::Node node;
+        node["position"] = YAML::Node();
+        node["position"].push_back(position.x);
+        node["position"].push_back(position.y);
+        node["position"].push_back(position.z);
+
+        node["yaw"] = yaw;
+        node["pitch"] = pitch;
+        node["fov"] = fov;
+        node["aspect"] = aspect;
+        node["nearPlane"] = nearPlane;
+        node["farPlane"] = farPlane;
+        return node;
+    }
+
+    // Load the camera state from a YAML node.
+    virtual void Load(const YAML::Node &node) override {
+        if (node["position"]) {
+            position.x = node["position"][0].as<float>();
+            position.y = node["position"][1].as<float>();
+            position.z = node["position"][2].as<float>();
+        }
+        if (node["yaw"])
+            yaw = node["yaw"].as<float>();
+        if (node["pitch"])
+            pitch = node["pitch"].as<float>();
+        if (node["fov"])
+            fov = node["fov"].as<float>();
+        if (node["aspect"])
+            aspect = node["aspect"].as<float>();
+        if (node["nearPlane"])
+            nearPlane = node["nearPlane"].as<float>();
+        if (node["farPlane"])
+            farPlane = node["farPlane"].as<float>();
+    }
+
+    // (Other Camera methods remain unchanged.)
+
 private:
     glm::vec3 position;
     float yaw;

Engine/Components/Component.h

@@ -1,12 +1,19 @@
 #ifndef COMPONENT_H
 #define COMPONENT_H
 
-// Base Component class for all components.
+#include <yaml-cpp/yaml.h>
+
 class Component {
 public:
     virtual ~Component() {}
+
     // Update the component each frame.
     virtual void Update(float deltaTime) = 0;
+
+    // Save the component's state to a YAML node.
+    virtual YAML::Node Save() const = 0;
+    // Load the component's state from a YAML node.
+    virtual void Load(const YAML::Node &node) = 0;
 };
 
 #endif // COMPONENT_H

Engine/Components/LightComponent.h

@@ -2,6 +2,7 @@
 #define LIGHT_COMPONENT_H
 
 #include <glm/glm.hpp>
+#include <yaml-cpp/yaml.h>
 
 class LightComponent {
 public:
@@ -11,6 +12,28 @@ public:
     // Light properties.
     glm::vec3 color;
     float intensity;
+
+    // Save this light to a YAML node.
+    YAML::Node Save() const {
+        YAML::Node node;
+        node["color"] = YAML::Node();
+        node["color"].push_back(color.x);
+        node["color"].push_back(color.y);
+        node["color"].push_back(color.z);
+        node["intensity"] = intensity;
+        return node;
+    }
+
+    // Load this light from a YAML node.
+    void Load(const YAML::Node &node) {
+        if (node["color"]) {
+            color.x = node["color"][0].as<float>();
+            color.y = node["color"][1].as<float>();
+            color.z = node["color"][2].as<float>();
+        }
+        if (node["intensity"])
+            intensity = node["intensity"].as<float>();
+    }
 };
 
 #endif // LIGHT_COMPONENT_H

Engine/Components/ModelComponent.cpp

@@ -1,183 +1,46 @@
 #include "ModelComponent.h"
 #include "stb_image.h"
+#define TINYOBJLOADER_IMPLEMENTATION
+#include "tiny_obj_loader.h"
+
 #include <iostream>
+#include <sstream>
+#include <map>
+#include <algorithm>
 
-// Constructor: initialize material defaults, create default cube mesh, and load default textures.
+// Constructor: initialize default values.
 ModelComponent::ModelComponent()
-    : diffuseColor(1.0f, 1.0f, 1.0f),
+    : modelPath("./assets/models/sponza.obj"),
+      diffuseColor(1.0f, 1.0f, 1.0f),
       specularColor(1.0f, 1.0f, 1.0f),
-      shininess(32.0f),
-      VAO(0), VBO(0), EBO(0),
-      diffuseTexture(0), normalTexture(0)
+      shininess(32.0f)
 {
-    // Clear any previous data.
-    vertices.clear();
-    indices.clear();
-
-    // Create 24 vertices for a cube.
-    // Front face (z = 0.5)
-    Vertex v;
-    v.Normal = glm::vec3(0, 0, 1);
-    v.Tangent = glm::vec3(1, 0, 0);
-    // Top-left
-    v.Position = glm::vec3(-0.5f,  0.5f, 0.5f);
-    v.TexCoords = glm::vec2(0.0f, 1.0f);
-    vertices.push_back(v);
-    // Bottom-left
-    v.Position = glm::vec3(-0.5f, -0.5f, 0.5f);
-    v.TexCoords = glm::vec2(0.0f, 0.0f);
-    vertices.push_back(v);
-    // Bottom-right
-    v.Position = glm::vec3( 0.5f, -0.5f, 0.5f);
-    v.TexCoords = glm::vec2(1.0f, 0.0f);
-    vertices.push_back(v);
-    // Top-right
-    v.Position = glm::vec3( 0.5f,  0.5f, 0.5f);
-    v.TexCoords = glm::vec2(1.0f, 1.0f);
-    vertices.push_back(v);
-
-    // Right face (x = 0.5)
-    v.Normal = glm::vec3(1, 0, 0);
-    v.Tangent = glm::vec3(0, 0, -1);
-    // Top-left
-    v.Position = glm::vec3(0.5f,  0.5f,  0.5f);
-    v.TexCoords = glm::vec2(0.0f, 1.0f);
-    vertices.push_back(v);
-    // Bottom-left
-    v.Position = glm::vec3(0.5f, -0.5f,  0.5f);
-    v.TexCoords = glm::vec2(0.0f, 0.0f);
-    vertices.push_back(v);
-    // Bottom-right
-    v.Position = glm::vec3(0.5f, -0.5f, -0.5f);
-    v.TexCoords = glm::vec2(1.0f, 0.0f);
-    vertices.push_back(v);
-    // Top-right
-    v.Position = glm::vec3(0.5f,  0.5f, -0.5f);
-    v.TexCoords = glm::vec2(1.0f, 1.0f);
-    vertices.push_back(v);
-
-    // Back face (z = -0.5)
-    v.Normal = glm::vec3(0, 0, -1);
-    v.Tangent = glm::vec3(-1, 0, 0);
-    // Top-left
-    v.Position = glm::vec3( 0.5f,  0.5f, -0.5f);
-    v.TexCoords = glm::vec2(0.0f, 1.0f);
-    vertices.push_back(v);
-    // Bottom-left
-    v.Position = glm::vec3( 0.5f, -0.5f, -0.5f);
-    v.TexCoords = glm::vec2(0.0f, 0.0f);
-    vertices.push_back(v);
-    // Bottom-right
-    v.Position = glm::vec3(-0.5f, -0.5f, -0.5f);
-    v.TexCoords = glm::vec2(1.0f, 0.0f);
-    vertices.push_back(v);
-    // Top-right
-    v.Position = glm::vec3(-0.5f,  0.5f, -0.5f);
-    v.TexCoords = glm::vec2(1.0f, 1.0f);
-    vertices.push_back(v);
-
-    // Left face (x = -0.5)
-    v.Normal = glm::vec3(-1, 0, 0);
-    v.Tangent = glm::vec3(0, 0, 1);
-    // Top-left
-    v.Position = glm::vec3(-0.5f,  0.5f, -0.5f);
-    v.TexCoords = glm::vec2(0.0f, 1.0f);
-    vertices.push_back(v);
-    // Bottom-left
-    v.Position = glm::vec3(-0.5f, -0.5f, -0.5f);
-    v.TexCoords = glm::vec2(0.0f, 0.0f);
-    vertices.push_back(v);
-    // Bottom-right
-    v.Position = glm::vec3(-0.5f, -0.5f,  0.5f);
-    v.TexCoords = glm::vec2(1.0f, 0.0f);
-    vertices.push_back(v);
-    // Top-right
-    v.Position = glm::vec3(-0.5f,  0.5f,  0.5f);
-    v.TexCoords = glm::vec2(1.0f, 1.0f);
-    vertices.push_back(v);
-
-    // Top face (y = 0.5)
-    v.Normal = glm::vec3(0, 1, 0);
-    v.Tangent = glm::vec3(1, 0, 0);
-    // Top-left
-    v.Position = glm::vec3(-0.5f, 0.5f, -0.5f);
-    v.TexCoords = glm::vec2(0.0f, 1.0f);
-    vertices.push_back(v);
-    // Bottom-left
-    v.Position = glm::vec3(-0.5f, 0.5f,  0.5f);
-    v.TexCoords = glm::vec2(0.0f, 0.0f);
-    vertices.push_back(v);
-    // Bottom-right
-    v.Position = glm::vec3( 0.5f, 0.5f,  0.5f);
-    v.TexCoords = glm::vec2(1.0f, 0.0f);
-    vertices.push_back(v);
-    // Top-right
-    v.Position = glm::vec3( 0.5f, 0.5f, -0.5f);
-    v.TexCoords = glm::vec2(1.0f, 1.0f);
-    vertices.push_back(v);
-
-    // Bottom face (y = -0.5)
-    v.Normal = glm::vec3(0, -1, 0);
-    v.Tangent = glm::vec3(1, 0, 0);
-    // Top-left
-    v.Position = glm::vec3(-0.5f, -0.5f,  0.5f);
-    v.TexCoords = glm::vec2(0.0f, 1.0f);
-    vertices.push_back(v);
-    // Bottom-left
-    v.Position = glm::vec3(-0.5f, -0.5f, -0.5f);
-    v.TexCoords = glm::vec2(0.0f, 0.0f);
-    vertices.push_back(v);
-    // Bottom-right
-    v.Position = glm::vec3( 0.5f, -0.5f, -0.5f);
-    v.TexCoords = glm::vec2(1.0f, 0.0f);
-    vertices.push_back(v);
-    // Top-right
-    v.Position = glm::vec3( 0.5f, -0.5f,  0.5f);
-    v.TexCoords = glm::vec2(1.0f, 1.0f);
-    vertices.push_back(v);
-
-    // Define indices: 6 faces, 2 triangles per face, 3 indices per triangle.
-    indices = {
-        0,  1,  2,  0,  2,  3,        // Front face
-        4,  5,  6,  4,  6,  7,        // Right face
-        8,  9, 10,  8, 10, 11,        // Back face
-        12, 13, 14, 12, 14, 15,        // Left face
-        16, 17, 18, 16, 18, 19,        // Top face
-        20, 21, 22, 20, 22, 23         // Bottom face
-    };
-
-    // Setup mesh with the new vertex/index data.
-    SetupMesh();
-
-    // Load default textures.
-    if(!LoadDiffuseTexture("./assets/bricks.png")) {
-         std::cout << "Warning: Failed to load default diffuse texture 'bricks.png'\n";
-    }
-    if(!LoadNormalTexture("./assets/normal.png")) {
-         std::cout << "Warning: Failed to load default normal texture 'normal.png'\n";
-    }
+    // Load the model on construction.
+    LoadModel(modelPath);
 }
 
 ModelComponent::~ModelComponent() {
-    if(VAO) glDeleteVertexArrays(1, &VAO);
-    if(VBO) glDeleteBuffers(1, &VBO);
-    if(EBO) glDeleteBuffers(1, &EBO);
-    if(diffuseTexture) glDeleteTextures(1, &diffuseTexture);
-    if(normalTexture) glDeleteTextures(1, &normalTexture);
+    // Clean up each submesh.
+    for (auto &mesh : meshes) {
+        if(mesh.VAO) glDeleteVertexArrays(1, &mesh.VAO);
+        if(mesh.VBO) glDeleteBuffers(1, &mesh.VBO);
+        if(mesh.EBO) glDeleteBuffers(1, &mesh.EBO);
+        if(mesh.diffuseTexture) glDeleteTextures(1, &mesh.diffuseTexture);
+    }
 }
 
-void ModelComponent::SetupMesh() {
-    glGenVertexArrays(1, &VAO);
-    glGenBuffers(1, &VBO);
-    glGenBuffers(1, &EBO);
+void ModelComponent::SetupMesh(SubMesh &mesh) {
+    glGenVertexArrays(1, &mesh.VAO);
+    glGenBuffers(1, &mesh.VBO);
+    glGenBuffers(1, &mesh.EBO);
     
-    glBindVertexArray(VAO);
+    glBindVertexArray(mesh.VAO);
     
-    glBindBuffer(GL_ARRAY_BUFFER, VBO);
-    glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vertex), &vertices[0], GL_STATIC_DRAW);
+    glBindBuffer(GL_ARRAY_BUFFER, mesh.VBO);
+    glBufferData(GL_ARRAY_BUFFER, mesh.vertices.size() * sizeof(Vertex), &mesh.vertices[0], GL_STATIC_DRAW);
     
-    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
-    glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(GLuint), &indices[0], GL_STATIC_DRAW);
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.EBO);
+    glBufferData(GL_ELEMENT_ARRAY_BUFFER, mesh.indices.size() * sizeof(GLuint), &mesh.indices[0], GL_STATIC_DRAW);
     
     // Vertex attributes:
     // Positions.
@@ -196,16 +59,15 @@ void ModelComponent::SetupMesh() {
     glBindVertexArray(0);
 }
 
-// LoadDiffuseTexture loads a diffuse texture from file.
-bool ModelComponent::LoadDiffuseTexture(const std::string &filepath) {
+bool ModelComponent::LoadDiffuseTexture(const std::string &filepath, GLuint &textureID) {
     int w, h, channels;
     unsigned char* data = stbi_load(filepath.c_str(), &w, &h, &channels, 0);
     if (!data) {
         std::cout << "Failed to load diffuse texture: " << filepath << std::endl;
         return false;
     }
-    glGenTextures(1, &diffuseTexture);
-    glBindTexture(GL_TEXTURE_2D, diffuseTexture);
+    glGenTextures(1, &textureID);
+    glBindTexture(GL_TEXTURE_2D, textureID);
     GLenum format = (channels == 3) ? GL_RGB : GL_RGBA;
     glTexImage2D(GL_TEXTURE_2D, 0, format, w, h, 0, format, GL_UNSIGNED_BYTE, data);
     glGenerateMipmap(GL_TEXTURE_2D);
@@ -217,30 +79,135 @@ bool ModelComponent::LoadDiffuseTexture(const std::string &filepath) {
     return true;
 }
 
-// LoadNormalTexture loads a normal map texture from file.
 bool ModelComponent::LoadNormalTexture(const std::string &filepath) {
-    int w, h, channels;
-    unsigned char* data = stbi_load(filepath.c_str(), &w, &h, &channels, 0);
-    if (!data) {
-        std::cout << "Failed to load normal texture: " << filepath << std::endl;
+    // Similar to LoadDiffuseTexture but for normalTexture; not used in this submesh example.
+    return true;
+}
+
+// Loads a model using tiny_obj_loader and groups faces by material.
+bool ModelComponent::LoadModel(const std::string &filepath) {
+
+    std::cout << "[Info] Loading Model \'" << filepath << "\' " << std::endl;
+    modelPath = filepath;
+    tinyobj::attrib_t attrib;
+    std::vector<tinyobj::shape_t> shapes;
+    std::vector<tinyobj::material_t> materials;
+    std::string warn, err;
+
+    // Get the directory of the OBJ file.
+    std::string baseDir = "";
+    size_t lastSlash = filepath.find_last_of("/\\");
+    if (lastSlash != std::string::npos) {
+        baseDir = filepath.substr(0, lastSlash + 1);
+    }
+
+    bool ret = tinyobj::LoadObj(&attrib, &shapes, &materials, &warn, &err, filepath.c_str(), baseDir.c_str());
+    if (!warn.empty()) {
+        std::cout << "[Warning] " << warn << std::endl;
+    }
+    if (!err.empty()) {
+        std::cerr << "[Error] " << err << std::endl;
+    }
+    if (!ret) {
+        std::cerr << "[Error] Failed to load/parse OBJ file: " << filepath << std::endl;
         return false;
     }
-    glGenTextures(1, &normalTexture);
-    glBindTexture(GL_TEXTURE_2D, normalTexture);
-    GLenum format = (channels == 3) ? GL_RGB : GL_RGBA;
-    glTexImage2D(GL_TEXTURE_2D, 0, format, w, h, 0, format, GL_UNSIGNED_BYTE, data);
-    glGenerateMipmap(GL_TEXTURE_2D);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-    stbi_image_free(data);
+
+    // Clear any existing submeshes.
+    meshes.clear();
+
+    // For each shape in the OBJ file.
+    for (size_t s = 0; s < shapes.size(); s++) {
+        // Use a map to group faces by material ID.
+        std::map<int, SubMesh> submeshMap;
+        size_t index_offset = 0;
+        // Iterate over each face.
+        for (size_t f = 0; f < shapes[s].mesh.num_face_vertices.size(); f++) {
+            int fv = shapes[s].mesh.num_face_vertices[f];
+            // Get material ID for this face.
+            int matID = -1;
+            if (shapes[s].mesh.material_ids.size() > f)
+                matID = shapes[s].mesh.material_ids[f];
+            // If submesh for this material does not exist, create it.
+            if (submeshMap.find(matID) == submeshMap.end())
+                submeshMap[matID] = SubMesh();
+            
+            SubMesh &currentMesh = submeshMap[matID];
+            // Process each vertex in the face.
+            for (size_t v = 0; v < fv; v++) {
+                tinyobj::index_t idx = shapes[s].mesh.indices[index_offset + v];
+                Vertex vertex;
+                // Position.
+                vertex.Position = glm::vec3(
+                    attrib.vertices[3 * idx.vertex_index + 0],
+                    attrib.vertices[3 * idx.vertex_index + 1],
+                    attrib.vertices[3 * idx.vertex_index + 2]
+                );
+                // Normal.
+                if (idx.normal_index >= 0 && 3 * idx.normal_index + 2 < attrib.normals.size()) {
+                    vertex.Normal = glm::vec3(
+                        attrib.normals[3 * idx.normal_index + 0],
+                        attrib.normals[3 * idx.normal_index + 1],
+                        attrib.normals[3 * idx.normal_index + 2]
+                    );
+                } else {
+                    vertex.Normal = glm::vec3(0.0f);
+                }
+                // Texture Coordinates.
+                if (idx.texcoord_index >= 0 && 2 * idx.texcoord_index + 1 < attrib.texcoords.size()) {
+                    vertex.TexCoords = glm::vec2(
+                        attrib.texcoords[2 * idx.texcoord_index + 0],
+                        attrib.texcoords[2 * idx.texcoord_index + 1]
+                    );
+                } else {
+                    vertex.TexCoords = glm::vec2(0.0f);
+                }
+                // Tangent not provided.
+                vertex.Tangent = glm::vec3(0.0f);
+                
+                // Add vertex and index.
+                currentMesh.vertices.push_back(vertex);
+                currentMesh.indices.push_back(static_cast<GLuint>(currentMesh.vertices.size() - 1));
+            }
+            index_offset += fv;
+        }
+
+        // For each group (submesh) in this shape, set material properties and create buffers.
+        for (auto &pair : submeshMap) {
+            int matID = pair.first;
+            SubMesh &subMesh = pair.second;
+            // If there is a valid material, assign its properties.
+            if (matID >= 0 && matID < static_cast<int>(materials.size())) {
+                tinyobj::material_t mat = materials[matID];
+                subMesh.diffuseColor = glm::vec3(mat.diffuse[0], mat.diffuse[1], mat.diffuse[2]);
+                subMesh.specularColor = glm::vec3(mat.specular[0], mat.specular[1], mat.specular[2]);
+                subMesh.shininess = mat.shininess;
+                if (!mat.diffuse_texname.empty()) {
+                    std::string texturePath = baseDir + mat.diffuse_texname;
+                    LoadDiffuseTexture(texturePath, subMesh.diffuseTexture);
+                }
+            }
+            // Setup the OpenGL buffers for this submesh.
+            SetupMesh(subMesh);
+            // Add submesh to our model.
+            meshes.push_back(subMesh);
+        }
+    }
+    std::cout << "[Done] Loaded Model \'" << filepath << "\' " << std::endl;
+
     return true;
 }
 
-// Draw the mesh using its VAO.
+// Draws the entire model by drawing each submesh.
 void ModelComponent::Draw() {
-    glBindVertexArray(VAO);
-    glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(indices.size()), GL_UNSIGNED_INT, 0);
-    glBindVertexArray(0);
+    for (auto &mesh : meshes) {
+        // Bind the appropriate texture if available.
+        if(mesh.diffuseTexture) {
+            glActiveTexture(GL_TEXTURE0);
+            glBindTexture(GL_TEXTURE_2D, mesh.diffuseTexture);
+        }
+        glBindVertexArray(mesh.VAO);
+        glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(mesh.indices.size()), GL_UNSIGNED_INT, 0);
+        glBindVertexArray(0);
+    }
 }

Engine/Components/ModelComponent.h

@@ -1,10 +1,11 @@
 #ifndef MODEL_COMPONENT_H
 #define MODEL_COMPONENT_H
 
-#include <glm/glm.hpp>
 #include <string>
 #include <vector>
 #include <GL/glew.h>
+#include <glm/glm.hpp>
+#include <yaml-cpp/yaml.h>
 
 // Structure representing a single vertex.
 struct Vertex {
@@ -14,36 +15,95 @@ struct Vertex {
     glm::vec3 Tangent;
 };
 
+// Structure representing a sub-mesh (a group of faces sharing the same material)
+struct SubMesh {
+    std::vector<Vertex> vertices;
+    std::vector<GLuint> indices;
+    glm::vec3 diffuseColor;
+    glm::vec3 specularColor;
+    float shininess;
+    GLuint diffuseTexture;
+    // (Optional) If you add a normal texture per submesh.
+    // GLuint normalTexture;
+    GLuint VAO, VBO, EBO;
+
+    SubMesh()
+        : diffuseColor(1.0f,1.0f,1.0f),
+          specularColor(1.0f,1.0f,1.0f),
+          shininess(32.0f),
+          diffuseTexture(0),
+          VAO(0), VBO(0), EBO(0)
+    {}
+};
+
 class ModelComponent {
 public:
     ModelComponent();
     ~ModelComponent();
 
-    // Material properties.
+    // Base model file path.
+    std::string modelPath;
+    // Submeshes.
+    std::vector<SubMesh> meshes;
+
+    // Global material overrides (if any).
     glm::vec3 diffuseColor;
     glm::vec3 specularColor;
     float shininess;
 
-    // Mesh data.
-    std::vector<Vertex> vertices;
-    std::vector<GLuint> indices;
-
-    // OpenGL buffers.
-    GLuint VAO, VBO, EBO;
-
-    // Texture handles.
-    GLuint diffuseTexture;
-    GLuint normalTexture;
-
-    // Set up the mesh by creating VAO, VBO, and EBO.
-    void SetupMesh();
-
-    // Load textures from file.
-    bool LoadDiffuseTexture(const std::string &filepath);
-    bool LoadNormalTexture(const std::string &filepath);
-
-    // Draw the mesh.
+    // Functions.
+    bool LoadModel(const std::string &filepath);
     void Draw();
+
+    // Texture loading.
+    bool LoadDiffuseTexture(const std::string &filepath, GLuint &textureID);
+    bool LoadNormalTexture(const std::string &filepath);
+    
+    // Setup mesh for a submesh.
+    void SetupMesh(SubMesh &mesh);
+
+    // --- YAML Serialization Functions (Globals Only) ---
+    // Save the global ModelComponent state to a YAML node.
+    YAML::Node Save() const {
+        YAML::Node node;
+        node["modelPath"] = modelPath;
+
+        node["globalDiffuseColor"] = YAML::Node();
+        node["globalDiffuseColor"].push_back(diffuseColor.x);
+        node["globalDiffuseColor"].push_back(diffuseColor.y);
+        node["globalDiffuseColor"].push_back(diffuseColor.z);
+
+        node["globalSpecularColor"] = YAML::Node();
+        node["globalSpecularColor"].push_back(specularColor.x);
+        node["globalSpecularColor"].push_back(specularColor.y);
+        node["globalSpecularColor"].push_back(specularColor.z);
+
+        node["globalShininess"] = shininess;
+
+        return node;
+    }
+
+    // Load the global ModelComponent state from a YAML node.
+    void Load(const YAML::Node &node) {
+        if (node["modelPath"]) {
+            modelPath = node["modelPath"].as<std::string>();
+        }
+        if (node["globalDiffuseColor"]) {
+            diffuseColor.x = node["globalDiffuseColor"][0].as<float>();
+            diffuseColor.y = node["globalDiffuseColor"][1].as<float>();
+            diffuseColor.z = node["globalDiffuseColor"][2].as<float>();
+        }
+        if (node["globalSpecularColor"]) {
+            specularColor.x = node["globalSpecularColor"][0].as<float>();
+            specularColor.y = node["globalSpecularColor"][1].as<float>();
+            specularColor.z = node["globalSpecularColor"][2].as<float>();
+        }
+        if (node["globalShininess"]) {
+            shininess = node["globalShininess"].as<float>();
+        }
+        // Reload the model (populates meshes based on the modelPath).
+        LoadModel(modelPath);
+    }
 };
 
 #endif // MODEL_COMPONENT_H

Engine/Components/TransformComponent.h

@@ -3,6 +3,7 @@
 
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>
+#include <yaml-cpp/yaml.h>
 
 class TransformComponent {
 public:
@@ -15,6 +16,46 @@ public:
 
     // Returns the world transform matrix.
     glm::mat4 GetMatrix() const;
+
+    // Save this transform to a YAML node.
+    YAML::Node Save() const {
+        YAML::Node node;
+        node["position"] = YAML::Node();
+        node["position"].push_back(position.x);
+        node["position"].push_back(position.y);
+        node["position"].push_back(position.z);
+
+        node["rotation"] = YAML::Node();
+        node["rotation"].push_back(rotation.x);
+        node["rotation"].push_back(rotation.y);
+        node["rotation"].push_back(rotation.z);
+
+        node["scale"] = YAML::Node();
+        node["scale"].push_back(scale.x);
+        node["scale"].push_back(scale.y);
+        node["scale"].push_back(scale.z);
+
+        return node;
+    }
+
+    // Load this transform from a YAML node.
+    void Load(const YAML::Node &node) {
+        if (node["position"]) {
+            position.x = node["position"][0].as<float>();
+            position.y = node["position"][1].as<float>();
+            position.z = node["position"][2].as<float>();
+        }
+        if (node["rotation"]) {
+            rotation.x = node["rotation"][0].as<float>();
+            rotation.y = node["rotation"][1].as<float>();
+            rotation.z = node["rotation"][2].as<float>();
+        }
+        if (node["scale"]) {
+            scale.x = node["scale"][0].as<float>();
+            scale.y = node["scale"][1].as<float>();
+            scale.z = node["scale"][2].as<float>();
+        }
+    }
 };
 
 #endif // TRANSFORM_COMPONENT_H

Engine/engine.cpp

@@ -185,55 +185,62 @@ bool Engine::SetupScene() {
     
     // Fragment shader: uses a normal map and material properties.
     const char* fragmentShaderSrc = R"(
-        #version 330 core
-        out vec4 FragColor;
+        // Fragment shader:
+#version 330 core
+out vec4 FragColor;
+
+in vec3 FragPos;
+in vec3 Normal;
+in vec2 TexCoords;
+in vec3 Tangent;
+
+uniform vec3 lightPositions[2];
+uniform vec3 lightColors[2];
+uniform int numLights;
+uniform vec3 viewPos;
+uniform sampler2D diffuseTexture;
+uniform sampler2D normalMap;
+uniform bool useNormalMap;  // NEW uniform to control normal mapping
+
+// Material properties.
+uniform vec3 materialDiffuse;
+uniform vec3 materialSpecular;
+uniform float materialShininess;
+
+void main() {
+    vec3 perturbedNormal = normalize(Normal);
+    if(useNormalMap) {
+        // Sample normal map.
+        vec3 normMap = texture(normalMap, TexCoords).rgb;
+        normMap = normalize(normMap * 2.0 - 1.0);
+        // Flip Z if needed.
+        normMap.z = -normMap.z;
+        // Calculate tangent space basis.
+        vec3 T = normalize(Tangent);
+        vec3 B = normalize(cross(Normal, T));
+        mat3 TBN = mat3(T, B, normalize(Normal));
+        perturbedNormal = normalize(TBN * normMap);
+    }
     
-        in vec3 FragPos;
-        in vec3 Normal;
-        in vec2 TexCoords;
-        in vec3 Tangent;
-    
-        uniform vec3 lightPositions[2];
-        uniform vec3 lightColors[2];
-        uniform int numLights;
-        uniform vec3 viewPos;
-        uniform sampler2D diffuseTexture;
-        uniform sampler2D normalMap;
-    
-        // Material properties.
-        uniform vec3 materialDiffuse;
-        uniform vec3 materialSpecular;
-        uniform float materialShininess;
-    
-        void main() {
-            // Sample normal map.
-            vec3 normMap = texture(normalMap, TexCoords).rgb;
-            normMap = normalize(normMap * 2.0 - 1.0);
-            normMap.z = -normMap.z;
-            vec3 N = normalize(Normal);
-            vec3 T = normalize(Tangent);
-            vec3 B = normalize(cross(N, T));
-            mat3 TBN = mat3(T, B, N);
-            vec3 perturbedNormal = normalize(TBN * normMap);
-            
-            vec3 diffuseTex = texture(diffuseTexture, TexCoords).rgb;
-    
-            vec3 ambient = 0.1 * materialDiffuse * diffuseTex;
-            vec3 lighting = ambient;
-            for(int i = 0; i < numLights; i++) {
-                vec3 lightDir = normalize(lightPositions[i] - FragPos);
-                float diff = max(dot(perturbedNormal, lightDir), 0.0);
-                vec3 diffuse = diff * materialDiffuse * diffuseTex * lightColors[i];
-                
-                vec3 viewDir = normalize(viewPos - FragPos);
-                vec3 reflectDir = reflect(-lightDir, perturbedNormal);
-                float spec = pow(max(dot(viewDir, reflectDir), 0.0), materialShininess);
-                vec3 specular = materialSpecular * spec * lightColors[i];
-                
-                lighting += diffuse + specular;
-            }
-            FragColor = vec4(lighting, 1.0);
-        }
+    vec3 diffuseTex = texture(diffuseTexture, TexCoords).rgb;
+
+    vec3 ambient = 0.1 * materialDiffuse * diffuseTex;
+    vec3 lighting = ambient;
+    for(int i = 0; i < numLights; i++) {
+        vec3 lightDir = normalize(lightPositions[i] - FragPos);
+        float diff = max(dot(perturbedNormal, lightDir), 0.0);
+        vec3 diffuse = diff * materialDiffuse * diffuseTex * lightColors[i];
+        
+        vec3 viewDir = normalize(viewPos - FragPos);
+        vec3 reflectDir = reflect(-lightDir, perturbedNormal);
+        float spec = pow(max(dot(viewDir, reflectDir), 0.0), materialShininess);
+        vec3 specular = materialSpecular * spec * lightColors[i];
+        
+        lighting += diffuse + specular;
+    }
+    FragColor = vec4(lighting, 1.0);
+}
+
     )";
     
     shaderProgram = CompileShader(vertexShaderSrc, fragmentShaderSrc);
@@ -278,26 +285,36 @@ ImTextureID Engine::RenderScene(const glm::mat4 &view, const glm::mat4 &projecti
     }
 
     // Render each cube entity using its ModelComponent.
-    for (auto e : entities) {
-        if (e->GetType() == EntityType::CUBE && e->modelComponent) {
-            glm::mat4 modelMatrix = e->transform.GetMatrix();
-            glUniformMatrix4fv(glGetUniformLocation(shaderProgram, "model"), 1, GL_FALSE, glm::value_ptr(modelMatrix));
-            glUniform3fv(glGetUniformLocation(shaderProgram, "materialDiffuse"), 1, glm::value_ptr(e->modelComponent->diffuseColor));
-            glUniform3fv(glGetUniformLocation(shaderProgram, "materialSpecular"), 1, glm::value_ptr(e->modelComponent->specularColor));
-            glUniform1f(glGetUniformLocation(shaderProgram, "materialShininess"), e->modelComponent->shininess);
-            // Bind the diffuse texture to texture unit 0.
+for (auto e : entities) {
+    if (e->GetType() == EntityType::CUBE && e->modelComponent) {
+        glm::mat4 modelMatrix = e->transform.GetMatrix();
+        glUniformMatrix4fv(glGetUniformLocation(shaderProgram, "model"), 1, GL_FALSE, glm::value_ptr(modelMatrix));
+
+        // Loop through all submeshes in the model component.
+        for (const auto &mesh : e->modelComponent->meshes) {
+            // Set material properties for the current submesh.
+            glUniform3fv(glGetUniformLocation(shaderProgram, "materialDiffuse"), 1, glm::value_ptr(mesh.diffuseColor));
+            glUniform3fv(glGetUniformLocation(shaderProgram, "materialSpecular"), 1, glm::value_ptr(mesh.specularColor));
+            glUniform1f(glGetUniformLocation(shaderProgram, "materialShininess"), mesh.shininess);
+
+            // Bind the diffuse texture.
             glActiveTexture(GL_TEXTURE0);
-            glBindTexture(GL_TEXTURE_2D, e->modelComponent->diffuseTexture);
+            glBindTexture(GL_TEXTURE_2D, mesh.diffuseTexture);
             glUniform1i(glGetUniformLocation(shaderProgram, "diffuseTexture"), 0);
-            // Bind the normal texture to texture unit 1.
-            glActiveTexture(GL_TEXTURE1);
-            glBindTexture(GL_TEXTURE_2D, e->modelComponent->normalTexture);
-            glUniform1i(glGetUniformLocation(shaderProgram, "normalMap"), 1);
-            
-            // Draw the model.
-            e->modelComponent->Draw();
+
+            // If you have a normal texture, bind it similarly (adjust as needed).
+            // glActiveTexture(GL_TEXTURE1);
+            // glBindTexture(GL_TEXTURE_2D, mesh.normalTexture);
+            // glUniform1i(glGetUniformLocation(shaderProgram, "normalMap"), 1);
+
+            // Bind the submesh's VAO and draw its elements.
+            glBindVertexArray(mesh.VAO);
+            glDrawElements(GL_TRIANGLES, static_cast<GLsizei>(mesh.indices.size()), GL_UNSIGNED_INT, 0);
+            glBindVertexArray(0);
         }
     }
+}
+
 
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
     return (ImTextureID)(intptr_t)colorTexture;

Makefile

@@ -1,12 +1,12 @@
 # Compiler and flags
 CXX := g++
-CXXFLAGS := -std=c++20 -Wall -Wextra -O2 -I/c/msys64/mingw64/include -Ivendor/imgui-docking -Ivendor/stb
+CXXFLAGS := -std=c++20 -Wall -Wextra -O2 -I/c/msys64/mingw64/include -Ivendor/imgui-docking -Ivendor/stb -Ivendor/tini_obj 
 
 # Use this to link against the correct import lib
-LDFLAGS := -Llib -lglfw3 -lopengl32 -lglew32 -lglu32
+LDFLAGS := -Llib -lglfw3 -lopengl32 -lglew32 -lglu32 -lyaml-cpp
 
 # Source and build directories (including vendor folder)
-SRC_DIRS := . Editor Engine vendor/imgui-docking Engine/Components Engine/Entity
+SRC_DIRS := . Editor Engine vendor/imgui-docking Engine/Components Engine/Entity Engine/utils
 BUILD_DIR := build
 
 # Find all source files

assets/models/sponza.mtl

@@ -0,0 +1,306 @@
+# Blender MTL File: 'None'
+# Material Count: 25
+
+newmtl Material__25
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/lion.tga
+map_Disp textures/lion_ddn.tga
+map_Ka textures/lion.tga
+
+newmtl Material__298
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/background.tga
+map_Disp textures/background_ddn.tga
+map_Ka textures/background.tga
+
+newmtl Material__47
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+
+
+newmtl Material__57
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/vase_plant.tga
+map_d textures/vase_plant_mask.tga
+map_Ka textures/vase_plant.tga
+
+newmtl arch
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_arch_diff.tga
+map_Ka textures/sponza_arch_diff.tga
+map_Disp textures/sponza_arch_ddn.tga
+
+newmtl bricks
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/spnza_bricks_a_diff.tga
+map_Disp textures/spnza_bricks_a_ddn.tga
+map_Ka textures/spnza_bricks_a_diff.tga
+
+newmtl ceiling
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_ceiling_a_diff.tga
+map_Ka textures/sponza_ceiling_a_diff.tga
+map_Disp textures/sponza_ceiling_a_ddn.tga
+
+newmtl chain
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/chain_texture.tga
+map_d textures/chain_texture_mask.tga
+map_Disp textures/chain_texture_ddn.tga
+map_Ka textures/chain_texture.tga
+
+newmtl column_a
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_column_a_diff.tga
+map_Disp textures/sponza_column_a_ddn.tga
+map_Ka textures/sponza_column_a_diff.tga
+
+newmtl column_b
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_column_b_diff.tga
+map_Disp textures/sponza_column_b_ddn.tga
+map_Ka textures/sponza_column_b_diff.tga
+
+newmtl column_c
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_column_c_diff.tga
+map_Disp textures/sponza_column_c_ddn.tga
+map_Ka textures/sponza_column_c_diff.tga
+
+newmtl details
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_details_diff.tga
+map_Ka textures/sponza_details_diff.tga
+map_Disp textures/sponza_details_ddn.tga
+
+newmtl fabric_a
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_fabric_diff.tga
+map_Ka textures/sponza_fabric_diff.tga
+map_Disp textures/sponza_fabric_ddn.tga
+
+newmtl fabric_c
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_curtain_diff.tga
+map_Ka textures/sponza_curtain_diff.tga
+map_Disp textures/sponza_curtain_ddn.tga
+
+
+newmtl fabric_d
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_fabric_blue_diff.tga
+map_Ka textures/sponza_fabric_blue_diff.tga
+map_Disp textures/sponza_fabric_ddn.tga
+
+
+newmtl fabric_e
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_fabric_green_diff.tga
+map_Ka textures/sponza_fabric_green_diff.tga
+map_Disp textures/sponza_fabric_ddn.tga
+
+
+newmtl fabric_f
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_curtain_green_diff.tga
+map_Ka textures/sponza_curtain_green_diff.tga
+map_Disp textures/sponza_curtain_ddn.tga
+
+newmtl fabric_g
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_curtain_blue_diff.tga
+map_Ka textures/sponza_curtain_blue_diff.tga
+map_Disp textures/sponza_curtain_ddn.tga
+
+
+newmtl flagpole
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_flagpole_diff.tga
+map_Ka textures/sponza_flagpole_diff.tga
+map_Disp textures/sponza_flagpole_ddn.tga
+
+newmtl floor
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_floor_a_diff.tga
+map_Ka textures/sponza_floor_a_diff.tga
+map_Disp textures/sponza_floor_a_ddn.tga
+
+newmtl leaf
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd textures/sponza_thorn_diff.tga
+map_d textures/sponza_thorn_mask.tga
+map_Disp textures/sponza_thorn_ddn.tga
+map_Ka textures/sponza_thorn_diff.tga
+
+newmtl roof
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/sponza_roof_diff.tga
+map_Ka textures/sponza_roof_diff.tga
+map_Disp textures/sponza_roof_ddn.tga
+
+newmtl vase
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/vase_dif.tga
+map_Ka textures/vase_dif.tga
+map_Disp textures/vase_ddn.tga
+
+newmtl vase_hanging
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/vase_hanging.tga
+map_Ka textures/vase_hanging.tga
+map_Disp textures/vase_hanging_ddn.tga
+
+newmtl vase_round
+Ns 7.843137
+Ka 0.000000 0.000000 0.000000
+Kd 0.470400 0.470400 0.470400
+Ks 0.000000 0.000000 0.000000
+Ni 1.000000
+d 0.000000
+illum 2
+map_Kd textures/vase_round.tga
+map_Disp textures/vase_round_ddn.tga
+map_Ka textures/vase_round.tga

default.yaml

@@ -0,0 +1,91 @@
+entities:
+  - type: cube
+    transform:
+      position:
+        - -2
+        - 0
+        - 0
+      rotation:
+        - 0
+        - 0
+        - 0
+      scale:
+        - 1
+        - 1
+        - 1
+    model:
+      modelPath: ./assets/models/sponza.obj
+      globalDiffuseColor:
+        - 0.800000012
+        - 0.200000003
+        - 0.200000003
+      globalSpecularColor:
+        - 1
+        - 1
+        - 1
+      globalShininess: 32
+  - type: cube
+    transform:
+      position:
+        - 2
+        - 0
+        - 0
+      rotation:
+        - 0
+        - 0
+        - 0
+      scale:
+        - 0.00999999978
+        - 0.00999999978
+        - 0.00999999978
+    model:
+      modelPath: ./assets/models/sponza.obj
+      globalDiffuseColor:
+        - 0
+        - 1
+        - 0
+      globalSpecularColor:
+        - 1
+        - 1
+        - 1
+      globalShininess: 16
+  - type: light
+    transform:
+      position:
+        - 0
+        - 10
+        - 0
+      rotation:
+        - 0
+        - 0
+        - 0
+      scale:
+        - 1
+        - 1
+        - 1
+    light:
+      color:
+        - 1
+        - 1
+        - 1
+      intensity: 1.5
+  - type: light
+    transform:
+      position:
+        - 0
+        - -10
+        - 0
+      rotation:
+        - 0
+        - 0
+        - 0
+      scale:
+        - 1
+        - 1
+        - 1
+    light:
+      color:
+        - 0.200000003
+        - 0.200000003
+        - 1
+      intensity: 1

imgui.ini

@@ -31,14 +31,22 @@ Collapsed=0
 DockId=0x00000004,0
 
 [Window][Entity List]
-Pos=0,0
-Size=245,800
+Pos=0,78
+Size=245,722
 Collapsed=0
-DockId=0x00000005,0
+DockId=0x00000008,0
+
+[Window][Scene File]
+Pos=0,0
+Size=245,76
+Collapsed=0
+DockId=0x00000007,0
 
 [Docking][Data]
 DockSpace       ID=0x08BD597D Window=0x1BBC0F80 Pos=0,0 Size=1280,800 Split=X Selected=0xB6999AB4
-  DockNode      ID=0x00000005 Parent=0x08BD597D SizeRef=245,800 Selected=0x5A1EAB5B
+  DockNode      ID=0x00000005 Parent=0x08BD597D SizeRef=245,800 Split=Y Selected=0x5A1EAB5B
+    DockNode    ID=0x00000007 Parent=0x00000005 SizeRef=245,76 Selected=0xE1A4FD08
+    DockNode    ID=0x00000008 Parent=0x00000005 SizeRef=245,722 Selected=0x5A1EAB5B
   DockNode      ID=0x00000006 Parent=0x08BD597D SizeRef=1033,800 Split=X
     DockNode    ID=0x00000003 Parent=0x00000006 SizeRef=772,800 Split=X
       DockNode  ID=0x00000001 Parent=0x00000003 SizeRef=272,800 Selected=0x5098C5B2