Working on semi proper API to build a scene

BarinkEngine/Include/AssetManager/ModelImporter.h

@@ -1,7 +1,8 @@
 #pragma once
-#define TINYGLTF_IMPLEMENTATION
 #define STB_IMAGE_IMPLEMENTATION
 #define STB_IMAGE_WRITE_IMPLEMENTATION
+
+#define TINYGLTF_IMPLEMENTATION
 #define TINYGLTF_NO_EXTERNAL_IMAGE
 
 #include "Graphics/Mesh.h"
@@ -9,6 +10,7 @@
 #include <assimp/scene.h>
 #include <assimp/postprocess.h> 
 #include <string>
+#include "Scene/SceneNodeTypes.h"
 
 void ProcessVertices(aiMesh* mesh, std::vector<BarinkEngine::Vertex>& out_vertices);
 void ProcessIndices(aiMesh* mesh, std::vector<unsigned int>& out_indices);
@@ -17,7 +19,9 @@ void ProcessIndices(aiMesh* mesh, std::vector<unsigned int>& out_indices);
 class ModelImporter {
 
 public:
-	std::vector<BarinkEngine::Mesh> Import(const std::string path);
+
+	SceneObject* Import(const std::string path);
+
 	
 private:
 

BarinkEngine/Include/Scene/Node.h

@@ -5,6 +5,7 @@
 
 class Node {
 	public:
+		Node(std::string& name);
 		std::string& name;
 		Node* parent;
 		std::vector<Node*> children;
@@ -15,7 +16,9 @@ class Node {
 
 
 
-class Group : Node {
+class Group : public Node {
+public:
+	Group(std::string& name);
 	Transform& transform;
 
 };

BarinkEngine/Include/Scene/SceneManager.h

@@ -5,11 +5,14 @@
 static class SceneManager {
 
 public:
-	static Scene* CreateScene();
-	static Scene& GetScene(std::string name);
+	static Scene* CreateScene(const std::string& name );
+	static Scene& GetScene(const std::string& name);
 
+	static void LoadScene(Scene& scene);
 
 private:
-	static std::map<std::string , Scene*> 
+	static Scene* CurrentScene;
+
+	static std::map<std::string, Scene*> Scenes; 
 
 };

BarinkEngine/Include/Scene/SceneNodeTypes.h

@@ -3,18 +3,19 @@
 #include "Graphics/Renderable.h"
 #include "Scene/Node.h"
 
-class SceneCamera : Group 
+class SceneCamera : public Group 
 {
+public: 
 	Camera& camera;
-	 
-
+	SceneCamera();
 };
 
 
-class SceneObject : Group
+class SceneObject : public Group
 {
+public:
 	Renderable& renderable;
-
+	SceneObject();
 
 
 };

BarinkEngine/Scene.cpp

@@ -1,10 +1,11 @@
 #include "Scene.h"
+#include "Scene/Node.h"
 void DeleteSubGraph(Node* tree);
 
 Scene::Scene(std::string sceneName)
 {
 	// Create a root node
-	root = new Node();
+	root = new Group(sceneName);
 	root->name = sceneName;
 
 }
@@ -42,6 +43,8 @@ Node& Scene::GetRoot()
 	return *root;
 }
 
+
+
 void Node::addChild(Node& node)
 {
 	children.push_back(&node);

BarinkEngine/Scene/Node.cpp

@@ -0,0 +1,7 @@
+#include "Scene/Node.h"
+
+Node::Node(std::string& name) 
+	: name(name), parent(nullptr), children(std::vector<Node*>()) {}
+
+Group::Group(std::string& name ) 
+	: Node(name), transform(Transform()) {}

BarinkEngine/Scene/SceneManager.cpp

@@ -0,0 +1,18 @@
+#include "Scene/SceneManager.h"
+
+Scene* SceneManager::CreateScene(const std::string& name) 
+{
+	SceneManager::Scenes[name] = new Scene(name);
+
+	return &SceneManager::GetScene(name);
+}
+
+Scene& SceneManager::GetScene(const std::string& name) 
+{
+	return *SceneManager::Scenes[name];
+}
+
+void SceneManager::LoadScene( Scene& scene) 
+{
+	CurrentScene = &scene;
+}

BarinkEngine/graphics/ModelImporter.cpp

@@ -1,14 +1,20 @@
 #include "AssetManager/ModelImporter.h"
 
 
-std::vector<BarinkEngine::Mesh> ModelImporter::Import(const std::string path)
+SceneObject* ModelImporter::Import(const std::string path)
 {
+    SceneObject* root = new SceneObject();
+
+
     Assimp::Importer importer;
     const aiScene* scene = importer.ReadFile(path, aiProcess_Triangulate | aiProcess_FlipUVs);
 
     aiNode* currentNode = scene->mRootNode;
 
-    return processNode(currentNode, scene);
+    std::vector<BarinkEngine::Mesh> meshes =  processNode(currentNode, scene);
+
+    return root;
+
 }
 
 std::vector<BarinkEngine::Mesh> ModelImporter::processNode(aiNode* node, const aiScene* scene) 

SandboxApplication/Sandbox.cpp

@@ -1,4 +1,8 @@
 #include "BarinkEngine.h"
+#include "Scene\SceneManager.h"
+#include "Scene\SceneNodeTypes.h"
+#include "AssetManager/ModelImporter.h"
+
 #include "imgui.h"
 #include "GUI.h"
 #include "Util.h"
@@ -11,12 +15,12 @@ Camera* cam;
 
 Shader* shader;
 
-BarinkEngine::Renderable* Cube;
-Material* matCube;
-Texture* textureCube;
+//BarinkEngine::Renderable* Cube;
+//Material* matCube;
+//Texture* textureCube;
 
-BarinkEngine::Renderable* Cube2;
-Material* matCube2;
+//BarinkEngine::Renderable* Cube2;
+//Material* matCube2;
 
 char* code = new char[254];
 
@@ -25,6 +29,8 @@ const std::string vertexShaderSource = "build/SandboxApplication/Debug/test.vs";
 const std::string fragmentShaderSource = "build/SandboxApplication/Debug/test.fs";
 
 
+ModelImporter* MI = new ModelImporter();
+
 
 
 /*
@@ -33,35 +39,47 @@ const std::string fragmentShaderSource = "build/SandboxApplication/Debug/test.fs
 */
 void Start() {
 
-// Walk scene graph
-//PrintSceneTree(scene.GetRoot(),0);
+    // Create a level and load it as the current level
+    auto Level1 = SceneManager::CreateScene("TestLevel");
+    SceneManager::LoadScene(*Level1);
+
+
+    // Create a cube node
+   
+    Level1->GetRoot().addChild(*(MI->Import("build/SandboxApplication/Debug/Models")));
+    // Build a basic test scene 
+    // NOTE: This will later be done through an editor 
+
+
+    // Walk scene graph
+    PrintSceneTree(Level1->GetRoot(),0);
 
     shader = new Shader(vertexShaderSource, fragmentShaderSource);
 
-    textureCube = new Texture("build/SandboxApplication/Debug/Textures/wall.jpg");
+    //textureCube = new Texture("build/SandboxApplication/Debug/Textures/wall.jpg");
 
-    matCube = new Material(*shader);
-    matCube->Color = glm::vec3(1.0, 0.0, 0.0);
+    //matCube = new Material(*shader);
+    //matCube->Color = glm::vec3(1.0, 0.0, 0.0);
 
-    matCube2 = new Material(*shader);
-    matCube2->Color = glm::vec3(0.0, 1.0f, 0.0);
+    //matCube2 = new Material(*shader);
+    //matCube2->Color = glm::vec3(0.0, 1.0f, 0.0);
 
     /*
     * load meshes 
     */
-    Cube = 
-    Cube2 = Renderable::Load();
-    Cube->addChild(*Cube2);
+    //Cube = 
+    //Cube2 = Renderable::Load();
+    //Cube->addChild(*Cube2);
 
-    Cube->shader = shader;
-    Cube2->shader = shader;
+    //Cube->shader = shader;
+    //Cube2->shader = shader;
 
-    Cube->texture = textureCube;
-    Cube2->texture = textureCube;
+    //Cube->texture = textureCube;
+    //Cube2->texture = textureCube;
 
-    Cube2->transform.Position = glm::vec3(-9.0f, 0.0f, 0.0f);
+    //Cube2->transform.Position = glm::vec3(-9.0f, 0.0f, 0.0f);
 
-    Cube->transform.Position = glm::vec3(-8.0f, 0.0f, -2.0f);
+    //Cube->transform.Position = glm::vec3(-8.0f, 0.0f, -2.0f);
 
     cam = new Camera(glm::vec3(0.0f, 1.5f, 0.0f), glm::vec3(0.0f, 0.0f, 0.0f), 90.0f);
 
@@ -90,12 +108,12 @@ void ImmediateGraphicsDraw() {
     CameraTool(cam);
     ScriptingTool(code);
 
-    transformWindow(Cube->transform, "Transform (Cube)");
+    //transformWindow(Cube->transform, "Transform (Cube)");
 
-    transformWindow(Cube2->transform, "Transform (Cube2)");
+    //transformWindow(Cube2->transform, "Transform (Cube2)");
 
-    materialWindow(*matCube, "Material Cube");
-    materialWindow(*matCube2, "Material Cube2");
+    //materialWindow(*matCube, "Material Cube");
+    //materialWindow(*matCube2, "Material Cube2");
 
 
 
@@ -107,8 +125,6 @@ void ImmediateGraphicsDraw() {
 */
 void Update()
 {
-
-
     /*
     * NOTE: this needs to move to the renderer
     * Render code should not appear in the sandbox file
@@ -119,16 +135,16 @@ void Update()
 
     shader->Use();
     shader->setUniformMat4("P", projection);
-    shader->setUniformMat4("M", CalculateModelMat(Cube->transform));
+    //shader->setUniformMat4("M", CalculateModelMat(Cube->transform));
     shader->setUniformMat4("V", cam->GetViewMatrix());
-    matCube->Apply();
+    //matCube->Apply();
 
-    Cube->Draw();
+    //Cube->Draw();
 
-    shader->setUniformMat4("M", CalculateModelMat(Cube2->transform));
-    matCube2->Apply();
+    //shader->setUniformMat4("M", CalculateModelMat(Cube2->transform));
+   // matCube2->Apply();
 
-    Cube2->Draw();
+    //Cube2->Draw();
 
 }
 
@@ -138,17 +154,17 @@ void Update()
 */
 void Stop() {
     // Cleanup
-    Cube->VAO.Delete();
-    Cube->elementBuffer.Delete();
+    //Cube->VAO.Delete();
+    //Cube->elementBuffer.Delete();
 
-    Cube2->VAO.Delete();
-    Cube2->elementBuffer.Delete();
+    //Cube2->VAO.Delete();
+    //Cube2->elementBuffer.Delete();
 
-    delete Cube2;
-    delete Cube;
+    //delete Cube2;
+    //delete Cube;
 
-    delete matCube;
-    delete matCube2;
+    //delete matCube;
+    //delete matCube2;
 
     delete shader;
 }