Merge branch '3d'

assets/shaders/color3d.glsl

@@ -0,0 +1,93 @@
+#type vertex
+#version 450 core
+
+layout(location = 0) in vec3 a_Position;
+layout(location = 1) in vec4 a_Color;
+layout(location = 2) in vec3 a_Normal;
+layout(location = 3) in vec2 a_TexCoord;
+layout(location = 4) in int a_EntityID;
+
+layout(std140, binding = 0) uniform Camera
+{
+	mat4 u_ViewProjection;
+    vec3 u_ViewPosition;
+};
+
+layout(std140, binding = 1) uniform Transform
+{
+    mat4 u_Transform;
+};
+
+struct VertexOutput
+{
+	vec4 Color;
+	vec2 TexCoord;
+    vec3 Normal;
+    vec3 ViewPos;
+};
+
+layout (location = 0) out VertexOutput Output;
+layout (location = 4) out flat int v_EntityID;
+layout (location = 5) out vec4 v_Pos;
+
+void main()
+{
+	Output.Color = a_Color;
+	Output.TexCoord = a_TexCoord;
+    Output.Normal = mat3(transpose(inverse(u_Transform))) * a_Normal;
+    Output.ViewPos = u_ViewPosition;
+
+	v_EntityID = a_EntityID;
+
+    v_Pos = u_Transform * vec4(a_Position, 1.0);
+    gl_Position = u_ViewProjection * v_Pos;
+}
+
+#type fragment
+#version 450 core
+
+layout (location = 0) out vec4 color;
+layout (location = 1) out int color2;
+
+struct VertexOutput
+{
+	vec4 Color;
+	vec2 TexCoord;
+    vec3 Normal;
+    vec3 ViewPos;
+};
+
+layout (location = 0) in VertexOutput Input;
+layout (location = 4) in flat int v_EntityID;
+layout (location = 5) in vec4 v_Pos;
+
+void main()
+{
+    vec3 lightPos = vec3(0.0f, 1.0f, 0.0f);
+    vec3 lightColor = vec3(1.0f, 1.0f, 1.0f);
+
+    // Ambiant lighting
+    float ambientStrength = 0.8;
+    vec3 ambient = ambientStrength * lightColor;
+
+    // Diffuse lighting
+    vec3 norm = normalize(Input.Normal);
+    vec3 lightDir = normalize(lightPos - v_Pos.xyz);
+
+    float diff = max(dot(norm, lightDir), 0.0);
+    vec3 diffuse = diff * lightColor;
+
+    // Specular highlight
+    float specularStrength = 0.5;
+    vec3 viewDir = normalize(Input.ViewPos - v_Pos.xyz); // .xyz here too
+    vec3 reflectDir = reflect(-lightDir, norm);
+
+    float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);
+    vec3 specular = specularStrength * spec * lightColor;
+
+    vec3 result = (ambient + diffuse + specular) * Input.Color.rgb; // objectColor → Input.Color.rgb
+
+    // Output
+    color = vec4(result, 1.0); // vec3 → vec4
+	color2 = v_EntityID;
+}

conanfile.txt

@@ -3,6 +3,7 @@ imgui/1.92.5-docking
 spdlog/1.16.0
 entt/3.16.0
 yaml-cpp/0.8.0
+joltphysics/5.2.0
 
 [generators]
 CMakeDeps

editor/include/editor.hpp

@@ -1,13 +1,11 @@
 #ifndef EDITOR_HPP
 #define EDITOR_HPP
 
-#include <filesystem>
+#include <X11/X.h>
 #include <open_engine.hpp>
 
-#include "open_engine/application.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
-#include "open_engine/logging.hpp"
+#include "open_engine/scene/components.hpp"
-#include "open_engine/renderer/texture.hpp"
-#include "open_engine/scene/entity.hpp"
 #include "open_engine/scene/scene_serializer.hpp"
 #include "panels/content_browser.hpp"
 #include "panels/scene_hierarchy.hpp"
@@ -19,6 +17,7 @@
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
 #include <ImGuizmo.h>
+#include <filesystem>
 #include <cstdint>
 #include <imgui.h>
 #include <vector>
@@ -95,6 +94,41 @@ namespace OpenEngine {
 
                 icons["play"] = Texture2D::Create("resources/textures/icons/play.png");
                 icons["stop"] = Texture2D::Create("resources/textures/icons/stop.png");
+
+                Entity cube = scene->CreateEntity("cube");
+
+
+                cube.AddComponent<TransformComponent>();
+
+                Ref<Mesh> mesh = CreateCube(cube);
+
+                cube.AddComponent<MeshComponent>(mesh);
+
+                Entity quad = scene->CreateEntity("quad");
+                quad.AddComponent<TransformComponent>();
+                quad.GetComponents<TransformComponent>().translation = {0, 0, 0};
+
+                Ref<Mesh> quad_mesh = CreateQuad(quad, true);
+
+                quad.AddComponent<MeshComponent>(quad_mesh);
+
+                Entity cube2 = scene->CreateEntity("cube2");
+                cube2.AddComponent<TransformComponent>();
+                cube2.GetComponents<TransformComponent>().translation = {2, 0, 0};
+
+                Ref<Mesh> mesh2 = CreateCube(cube2);
+
+                cube2.AddComponent<MeshComponent>(mesh2);
+
+                /*
+                auto view = scene->GetRegistry().view<TagComponent>();
+
+                for (auto& entity : view) {
+                    auto tag = view->get(entity);
+                    OE_DEBUG("entity: {}, tag: {}", (uint32_t)entity, tag.tag);
+                }
+                */
+
                 // TODO: Add file texture. Get free icons and add license
                 //icons["folder"] = Texture2D::Create("resources/textures/icons/folder.png");
                 /*
@@ -140,7 +174,7 @@ namespace OpenEngine {
                 }
 
                 framebuffer->Bind();
-                Renderer2D::ResetStats();
+                //Renderer2D::ResetStats();
                 RenderCommand::SetClearColor({0.11f, 0.11f, 0.15f, 1.0f});
                 RenderCommand::Clear();
                 framebuffer->ClearBufferI(1, -1);
@@ -193,6 +227,8 @@ namespace OpenEngine {
                 }
 
                 framebuffer->Unbind();
+
+                scene->UpdateEntities();
             }
 
             bool EditorKeyBinds(KeyPressedEvent& event)
@@ -203,6 +239,29 @@ namespace OpenEngine {
                 bool shift = Input::IsKeyPressed(Key::LeftShift) || Input::IsKeyPressed(Key::RightShift);
 
                 switch(event.GetKeyCode()) {
+                    case KeyCode::S: {
+                        if (control) {
+                            std::string file = FileDialogs::SaveFile("useless");
+                            OE_TRACE("saving to filename: {}", file);
+                            SaveScene(file);
+                        }
+                        break;
+                    }
+                    case KeyCode::N: {
+                        if (control) {
+                            scene = CreateRef<Scene>();
+                            scene->OnViewportResize((uint32_t)viewport_size.x, (uint32_t)viewport_size.y);
+                            scene_hierarchy.Init(scene);
+                        }
+                        break;
+                    }
+                    case KeyCode::O: {
+                        if (control) {
+                            std::string file = FileDialogs::OpenFile("useless");
+                            OE_DEBUG("loading scene: {}", file);
+                            OpenScene(file);}
+                        break;
+                    }
                     case KeyCode::Q: {
                         guizmo_operation = -1;
                         break;
@@ -219,6 +278,12 @@ namespace OpenEngine {
                         guizmo_operation = ImGuizmo::OPERATION::SCALE;
                         break;
                     }
+                    case KeyCode::Delete: {
+                        scene->MarkEntityForDeletion(selected_entity);
+                        scene_hierarchy.ClearSelection();
+                        selected_entity = {};
+                        break;
+                    }
                     default:
                         break;
                 }
@@ -282,12 +347,16 @@ namespace OpenEngine {
             void DrawViewport()
             {
                 ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2{ 0, 0 });
-
                 ImGui::Begin("Viewport");
+
+                bool was_focused = viewport_focused;
                 viewport_focused = ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow);
                 viewport_hovered = ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow);
                 Application::Get().GetImGuiLayer()->SetBlockEvents((!viewport_focused && !viewport_hovered) || ImGui::IsAnyItemActive());
 
+                if (viewport_focused && !was_focused)
+                    editor_camera.ResetMousePosition();
+
                 ImVec2 viewport_panel_size = ImGui::GetContentRegionAvail();
 
                 viewport_size = { viewport_panel_size.x, viewport_panel_size.y };
@@ -318,7 +387,7 @@ namespace OpenEngine {
 
             void DrawStats()
             {
-                auto stats = Renderer2D::GetStats();
+                //auto stats = Renderer2D::GetStats();
                 static float time = 0;
 
                 time += Time::DeltaTime();
@@ -330,17 +399,17 @@ namespace OpenEngine {
                 ImGui::Begin("Statistics");
                 ImGui::SeparatorText("Performance");
                 ImGui::Text("FPS: %0.0f", 1 / Time::DeltaTime());
-                ImGui::Text("Renderer2D:");
+                //ImGui::Text("Renderer2D:");
-                ImGui::Text("\t\tDraw calls: %d", stats.draw_calls);
+                //ImGui::Text("\t\tDraw calls: %d", stats.draw_calls);
-                ImGui::Text("\t\tQuad count: %d", stats.quad_count);
+                //ImGui::Text("\t\tQuad count: %d", stats.quad_count);
-                ImGui::Text("\t\tVertices count: %d", stats.GetTotalVertexCount());
+                //ImGui::Text("\t\tVertices count: %d", stats.GetTotalVertexCount());
-                ImGui::Text("\t\tIndices count: %d", stats.GetTotalIndexCount());
+                //ImGui::Text("\t\tIndices count: %d", stats.GetTotalIndexCount());
-                if (selected_entity) {
+                //if (selected_entity) {
-                    ImGui::SeparatorText("Entities");
+                //    ImGui::SeparatorText("Entities");
-                    ImGui::Text("Selected entity:");
+                //    ImGui::Text("Selected entity:");
-                    ImGui::Text("\t\tname: %s", selected_entity.GetComponents<TagComponent>().tag.c_str());
+                //    ImGui::Text("\t\tname: %s", selected_entity.GetComponents<TagComponent>().tag.c_str());
-                    ImGui::Text("\t\tid: %d", (uint32_t)selected_entity);
+                //    ImGui::Text("\t\tid: %d", (uint32_t)selected_entity);
-                }
+                //}
                 ImGui::End();
             };
 
@@ -400,6 +469,14 @@ namespace OpenEngine {
                 }
             }
 
+            void SaveScene(const std::string& file)
+            {
+                if (!file.empty()) {
+                    SceneSerializer serializer(scene);
+                    serializer.Serialize(file);
+                }
+            }
+
             void DrawPlayBar()
             {
                 ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, { 0, 2 });
@@ -450,10 +527,7 @@ namespace OpenEngine {
                             if (ImGui::MenuItem("Save Scene As", "Ctrl+S")) {
                                 std::string file = FileDialogs::SaveFile("useless");
                                 OE_TRACE("saving to filename: {}", file);
-                                if (!file.empty()) {
+                                SaveScene(file);
-                                    SceneSerializer serializer(scene);
-                                    serializer.Serialize(file);
-                                }
                             }
                             if (ImGui::MenuItem("Open Scene", "Ctrl+O")) {
                                 std::string file = FileDialogs::OpenFile("useless");
@@ -532,24 +606,3 @@ class EditorApp : public OpenEngine::Application
 };
 
 #endif // EDITOR_HPP
-
-/*
-#include <cstdio>
-#include <string>
-
-std::string OpenFile() {
-    char buffer[1024];
-    // This command opens a native GTK file picker and returns the path
-    FILE* pipe = popen("zenity --file-selection", "r");
-    if (!pipe) return "";
-
-    if (fgets(buffer, sizeof(buffer), pipe) != NULL) {
-        std::string path = buffer;
-        path.erase(path.find_last_not_of("\n") + 1); // Clean newline
-        pclose(pipe);
-        return path;
-    }
-    pclose(pipe);
-    return "";
-}
-*/

editor/include/editor_component.hpp

@@ -13,12 +13,10 @@ namespace OpenEngine {
             const std::array<const char*, 3> labels = {"x", "y", "z"});
 
     void TagOnImGuiRender(entt::registry& registry, entt::entity entity);
-
     void TransformOnImGuiRender(entt::registry& registry, entt::entity entity);
-
     void SpriteOnImGuiRender(entt::registry& registry, entt::entity entity);
-
     void CameraOnImGuiRender(entt::registry& registry, entt::entity entity);
+    void MeshOnImGuiRender(entt::registry&registry, entt::entity entity);
 }
 
 #endif // EDITOR_COMPONENT_HPP

editor/include/panels/content_browser.hpp

@@ -6,6 +6,8 @@
 
 namespace OpenEngine {
 
+    class EditorLayer;
+
     class ContentBrowserPanel
     {
         public:

editor/include/panels/scene_hierarchy.hpp

@@ -27,6 +27,7 @@ namespace OpenEngine {
 
             Entity GetSelectedEntity() const { return selected_context; };
             void SetSelectedEntity(Entity entity) { selected_context = entity; };
+            void ClearSelection() { selected_context = {}; };
 
         private:
             void DrawEntityNode(Entity& entity);

editor/src/editor_component.cpp

@@ -170,4 +170,9 @@ namespace OpenEngine {
         }
 
     };
+
+    void MeshOnImGuiRender(entt::registry&registry, entt::entity entity)
+    {
+
+    }
 }

editor/src/panels/scene_hierarchy.cpp

@@ -22,6 +22,7 @@ namespace OpenEngine {
         RegisterDrawer<TransformComponent>("Transform", &TransformOnImGuiRender);
         RegisterDrawer<SpriteRendererComponent>("Sprite Renderer", &SpriteOnImGuiRender);
         RegisterDrawer<CameraComponent>("Camera", &CameraOnImGuiRender);
+        RegisterDrawer<MeshComponent>("Mesh", &MeshOnImGuiRender);
 
         scene = context;
         selected_context = {};
@@ -32,17 +33,22 @@ namespace OpenEngine {
         ImGui::SeparatorText("Add");
         if (!selected_context.HasComponent<TransformComponent>())
             if (ImGui::MenuItem("Transform")) {
-                selected_context.AddComponents<TransformComponent>();
+                selected_context.AddComponent<TransformComponent>();
                 ImGui::CloseCurrentPopup();
             }
         if (!selected_context.HasComponent<SpriteRendererComponent>())
             if (ImGui::MenuItem("Sprite")) {
-                selected_context.AddComponents<SpriteRendererComponent>();
+                selected_context.AddComponent<SpriteRendererComponent>();
                 ImGui::CloseCurrentPopup();
             }
         if (!selected_context.HasComponent<CameraComponent>())
             if (ImGui::MenuItem("Camera")) {
-                selected_context.AddComponents<CameraComponent>();
+                selected_context.AddComponent<CameraComponent>();
+                ImGui::CloseCurrentPopup();
+            }
+        if (!selected_context.HasComponent<MeshComponent>())
+            if (ImGui::MenuItem("Mesh")) {
+                selected_context.AddComponent<MeshComponent>();
                 ImGui::CloseCurrentPopup();
             }
     }
@@ -127,7 +133,6 @@ namespace OpenEngine {
     {
         auto& tag = entity.GetComponents<TagComponent>().tag;
 
-        bool entity_marked_deletion = false;
         if (renamed_entity == entity && selected_context == entity) {
             char buffer[255];
             std::memset(buffer, 0, sizeof(buffer));
@@ -155,8 +160,10 @@ namespace OpenEngine {
             bool opened = ImGui::TreeNodeEx((void*)(uint64_t)(uint32_t)entity, flags, "%s", tag.c_str());
 
             if (ImGui::BeginPopupContextItem()) {
-                if (ImGui::MenuItem("Delete entity"))
+                if (ImGui::MenuItem("Delete entity")) {
-                    entity_marked_deletion = true;
+                    scene->MarkEntityForDeletion(entity);
+                    selected_context = {};
+                }
                 ImGui::EndPopup();
             }
 
@@ -183,12 +190,6 @@ namespace OpenEngine {
             if (opened)
                 ImGui::TreePop();
         }
-
-        if (entity_marked_deletion) {
-            scene->DeleteEntity(entity);
-            if (selected_context == entity)
-                selected_context = {};
-        }
     }
 
     void SceneHierarchy::DrawComponents(Entity& entity)
@@ -202,6 +203,7 @@ namespace OpenEngine {
         entity.GetComponents<TagComponent>();
         TagOnImGuiRender(reg, entity);
 
+
         std::vector<entt::id_type> component_to_delete; // 0 is null/invalid in entt usually
                                                         // Iterate through every component type entt knows about
         for (auto [id, storage] : reg.storage()) {

open_engine/CMakeLists.txt

@@ -13,6 +13,7 @@ add_definitions( -DOE_ENABLE_ASSERTS )
 find_package(imgui REQUIRED)
 find_package(EnTT REQUIRED)
 find_package(yaml-cpp REQUIRED)
+find_package(Jolt REQUIRED)
 
 file(GLOB_RECURSE SRC_FILES "src/*.cpp")
 file(GLOB IMGUIZMO_SRC_FILES "${CMAKE_SOURCE_DIR}/vendor/ImGuizmo/*.cpp")
@@ -52,6 +53,16 @@ target_link_libraries(${PROJECT_EXECUTABLE_NAME} PUBLIC
     X11
     yaml-cpp::yaml-cpp
     nfd
+    shaderc_combined
+    glslang
+    glslang-default-resource-limits
+    SPIRV
+    SPIRV-Tools
+    SPIRV-Tools-opt
+    spirv-cross-core
+    spirv-cross-glsl
+    spirv-cross-reflect
+    Jolt::Jolt
 )
 
 #target_link_directories(${PROJECT_EXECUTABLE_NAME} PRIVATE

open_engine/include/open_engine.hpp

@@ -25,6 +25,7 @@
 #include "open_engine/renderer/subtexture2d.hpp"
 #include "open_engine/renderer/framebuffer.hpp"
 #include "open_engine/renderer/renderer2d.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
 #include "open_engine/renderer/renderer.hpp"
 #include "open_engine/renderer/texture.hpp"
 #include "open_engine/renderer/buffer.hpp"

open_engine/include/open_engine/opengl/opengl_buffer.hpp

@@ -29,13 +29,14 @@ namespace OpenEngine {
     class OpenGLIndexBuffer : public IndexBuffer
     {
         public:
-            OpenGLIndexBuffer(uint32_t* indices, uint32_t count);
+            OpenGLIndexBuffer(const uint32_t* indices, uint32_t count);
             virtual ~OpenGLIndexBuffer();
 
             virtual void Bind() const override;
             virtual void UnBind() const override;
 
             virtual uint32_t GetCount() const override { return count; };
+            virtual uint32_t GetID() const override { return id; };
 
         private:
             unsigned int id;

open_engine/include/open_engine/renderer/buffer.hpp

@@ -1,6 +1,8 @@
 #ifndef BUFFER_HPP
 #define BUFFER_HPP
 
+#include "open_engine/ref_scope.hpp"
+
 #include <cstdint>
 #include <vector>
 #include <string>
@@ -82,8 +84,9 @@ namespace OpenEngine {
             virtual void UnBind() const = 0;
 
             virtual uint32_t GetCount() const = 0;
+            virtual uint32_t GetID() const = 0;
 
-            static Ref<IndexBuffer> Create(uint32_t* indices, uint32_t count);
+            static Ref<IndexBuffer> Create(const uint32_t* indices, uint32_t count);
     };
 }
 

open_engine/include/open_engine/renderer/editor_camera.hpp

@@ -31,6 +31,7 @@ namespace OpenEngine {
 		glm::vec3 GetForwardDirection() const;
 		const glm::vec3& GetPosition() const { return position; }
 		glm::quat GetOrientation() const;
+        void ResetMousePosition();
 
 		float GetPitch() const { return pitch; }
 		float GetYaw() const { return yaw; }
@@ -61,6 +62,7 @@ namespace OpenEngine {
 		glm::vec3 focal_point = { 0.0f, 0.0f, 0.0f };
 
 		glm::vec2 initial_mouse_position = { 0.0f, 0.0f };
+        bool mouse_button_was_pressed = false;
 
 		float distance = 10.0f;
 		float pitch = 0.0f, yaw = 0.0f;

open_engine/include/open_engine/renderer/renderer3d.hpp

@@ -0,0 +1,53 @@
+#ifndef RENDERER3D_HPP
+#define RENDERER3D_HPP
+
+#include "open_engine/renderer/editor_camera.hpp"
+#include "open_engine/renderer/vertex_array.hpp"
+#include "open_engine/renderer/buffer.hpp"
+#include "open_engine/scene/scene_camera.hpp"
+#include <cstdint>
+
+namespace OpenEngine {
+
+    // SHOULD BE MOVED ==================================
+    struct MeshVertex
+    {
+        glm::vec3 position;
+        glm::vec4 color;
+        glm::vec3 normal;
+        glm::vec2 text_coords;
+        uint32_t id = -1;
+    };
+
+    struct Mesh
+    {
+        Ref<VertexArray> vertex_array;
+        Ref<VertexBuffer> vertex_buffer;
+        Ref<IndexBuffer> index_buffer;
+
+        // TODO: Make them a ptr or something
+        std::vector<MeshVertex> vertices;
+        std::vector<uint32_t> indices;
+    };
+
+    Ref<Mesh> CreateMesh(const std::vector<MeshVertex>& vertices,
+            const std::vector<uint32_t>& indices);
+    Ref<Mesh> CreateCube(uint32_t id = -1);
+    Ref<Mesh> CreateQuad(uint32_t id = -1, bool back_face = false);
+    // ==================================================
+
+    class Renderer3D
+    {
+        public:
+            static void Init();
+            static void Shutdown();
+
+            static void BeginScene(const SceneCamera& camera, const glm::mat4& transform);
+            static void BeginScene(const EditorCamera& camera);
+            static void EndScene();
+
+            static void DrawMesh(const Ref<Mesh>& mesh, const glm::mat4& transform);
+    };
+}
+
+#endif // RENDERER3D_HPP

open_engine/include/open_engine/renderer/uniform_buffer.cpp

@@ -1,21 +0,0 @@
-#include <pch.hpp>
-
-#include <renderer/uniform_buffer.hpp>
-#include <opengl/opengl_uniform_buffer.hpp>
-#include <renderer/renderer.hpp>
-
-namespace OpenEngine {
-
-    Ref<UniformBuffer> UniformBuffer::Create(uint32_t size, uint32_t binding)
-    {
-        switch (Renderer::GetAPI())
-        {
-            case RendererAPI::API::None:    OE_CORE_ASSERT(false, "RendererAPI::None is currently not supported!"); return nullptr;
-            case RendererAPI::API::OpenGL:  return CreateRef<OpenGLUniformBuffer>(size, binding);
-        }
-
-        OE_CORE_ASSERT(false, "Unknown RendererAPI!");
-        return nullptr;
-    }
-
-}

open_engine/include/open_engine/renderer/vertex_array.hpp

@@ -2,6 +2,7 @@
 #define VERTEX_ARRAY_HPP
 
 #include "open_engine/renderer/buffer.hpp"
+#include "open_engine/ref_scope.hpp"
 
 #include <vector>
 

open_engine/include/open_engine/scene/components.hpp

@@ -2,8 +2,10 @@
 #define COMPONENTS_HPP
 
 #include "open_engine/scene/native_scriptable_entity.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
 #include "open_engine/scene/scene_camera.hpp"
 #include "open_engine/renderer/texture.hpp"
+#include "open_engine/renderer/renderer3d.hpp"
 
 #include <glm/ext/matrix_transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
@@ -87,6 +89,16 @@ namespace OpenEngine {
             }
     };
 
+    struct MeshComponent
+    {
+        Ref<Mesh> mesh;
+        
+        MeshComponent() = default;
+        MeshComponent(const MeshComponent&) = default;
+        MeshComponent(const Ref<Mesh>& mesh)
+            : mesh(mesh) {}
+    };
+
 }
 
 #endif // COMPONENTS_HPP

open_engine/include/open_engine/scene/entity.hpp

@@ -19,7 +19,7 @@ namespace OpenEngine {
             Entity(const Entity& other) = default;
 
             template<typename T, typename ... Args>
-                T& AddComponents(Args&&... args)
+                T& AddComponent(Args&&... args)
                 {
                     OE_ASSERT(!HasComponent<T>(), "Entity already has component.");
 

open_engine/include/open_engine/scene/scene.hpp

@@ -3,6 +3,7 @@
 
 #include "open_engine/renderer/editor_camera.hpp"
 
+#include <entt/entity/fwd.hpp>
 #include <entt/entt.hpp>
 #include <cstdint>
 
@@ -13,11 +14,14 @@ namespace OpenEngine {
     class Scene
     {
         public:
-            Scene() {};
+            Scene() = default;
             ~Scene() = default;
 
             Entity CreateEntity(const std::string& name = std::string());
-            void DeleteEntity(Entity entity);
+            void DeleteEntity(entt::entity entity);
+            void MarkEntityForDeletion(Entity entity);
+
+            void UpdateEntities();
 
             void OnUpdateRuntime();
             void OnUpdateEditor(EditorCamera& camera);
@@ -36,6 +40,8 @@ namespace OpenEngine {
 
             uint32_t viewport_width = 0, viewport_height = 0;
 
+            std::vector<entt::entity> entities_to_be_deleted;
+
             friend class SceneSerializer;
             friend class Entity;
     };

open_engine/src/open_engine/application.cpp

@@ -4,6 +4,7 @@
 
 #include <core.hpp>
 #include <events/application_event.hpp>
+#include <renderer/renderer3d.hpp>
 #include <renderer/renderer2d.hpp>
 #include <input/input_system.hpp>
 #include <imgui/imgui_layer.hpp>
@@ -28,7 +29,8 @@ namespace OpenEngine {
         {
             OE_PROFILE_SCOPE("Initializing Renderers");
             Renderer::Init();
-            Renderer2D::Init();
+            //Renderer2D::Init();
+            Renderer3D::Init();
         }
 
         imgui_layer = std::make_shared<ImGuiLayer>();
@@ -39,7 +41,8 @@ namespace OpenEngine {
 
     Application::~Application()
     {
-        OpenEngine::Renderer2D::Shutdown();
+        //OpenEngine::Renderer2D::Shutdown();
+        Renderer3D::Shutdown();
     }
 
     void Application::Run()

open_engine/src/open_engine/opengl/opengl_buffer.cpp

@@ -52,7 +52,7 @@ namespace OpenEngine {
     // Index Buffer =====================================================
     // ==================================================================
 
-    OpenGLIndexBuffer::OpenGLIndexBuffer(uint32_t* indices, uint32_t count)
+    OpenGLIndexBuffer::OpenGLIndexBuffer(const uint32_t* indices, uint32_t count)
         : count(count)
     {
         OE_PROFILE_FUNCTION();
@@ -68,7 +68,7 @@ namespace OpenEngine {
 
     void OpenGLIndexBuffer::Bind() const
     {
-        glBindBuffer(GL_ARRAY_BUFFER, id);
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
     }
     void OpenGLIndexBuffer::UnBind() const
     {

open_engine/src/open_engine/opengl/opengl_renderer_api.cpp

@@ -45,6 +45,7 @@ namespace OpenEngine {
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
         glEnable(GL_DEPTH_TEST);
+        glDepthFunc(GL_LESS);
     }
 
     void OpenGLRendererAPI::SetViewport(uint32_t x, uint32_t y, uint32_t width, uint32_t height)
@@ -66,6 +67,9 @@ namespace OpenEngine {
     {
         OE_PROFILE_FUNCTION();
 
+        OE_CORE_ASSERT(vertex_array, "VertexArray is null!");
+        OE_CORE_ASSERT(vertex_array->GetIndexBuffer(), "IndexBuffer is null!");
+
         uint32_t count = index_count? index_count : vertex_array->GetIndexBuffer()->GetCount();
         glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, nullptr);
         glBindTexture(GL_TEXTURE_2D, 0);

open_engine/src/open_engine/renderer/buffer.cpp

@@ -91,7 +91,7 @@ namespace OpenEngine {
         return nullptr;
     }
 
-    Ref<IndexBuffer> IndexBuffer::Create(uint32_t* indices, uint32_t count)
+    Ref<IndexBuffer> IndexBuffer::Create(const uint32_t* indices, uint32_t count)
     {
         OE_PROFILE_FUNCTION();
 

open_engine/src/open_engine/renderer/editor_camera.cpp

@@ -1,4 +1,3 @@
-#include "logging.hpp"
 #include <pch.hpp>
 
 #include <renderer/editor_camera.hpp>
@@ -63,10 +62,11 @@ namespace OpenEngine {
 
 	void EditorCamera::OnUpdate()
 	{
+
 		if (Input::IsKeyPressed(Key::LeftAlt)) {
-			const glm::vec2& mouse{ Input::GetMouseX(), Input::GetMouseY() };
+            const glm::vec2& mouse{ Input::GetMouseX(), Input::GetMouseY() };
-			glm::vec2 delta = (mouse - initial_mouse_position) * 0.003f;
+            glm::vec2 delta = (mouse - initial_mouse_position) * 0.003f;
-			initial_mouse_position = mouse;
+            initial_mouse_position = mouse;
 
 			if (Input::IsMouseButtonPressed(Mouse::ButtonMiddle)) {
 				MousePan(delta);
@@ -151,4 +151,10 @@ namespace OpenEngine {
 		return glm::quat(glm::vec3(-pitch, -yaw, 0.0f));
 	}
 
+    void EditorCamera::ResetMousePosition()
+    {
+        initial_mouse_position = { Input::GetMouseX(), Input::GetMouseY() };
+        mouse_button_was_pressed = false;
+    }
+
 }

open_engine/src/open_engine/renderer/renderer2d.cpp

@@ -1,7 +1,7 @@
-#include "renderer/editor_camera.hpp"
-#include "renderer/uniform_buffer.hpp"
 #include <pch.hpp>
 
+#include "renderer/editor_camera.hpp"
+#include "renderer/uniform_buffer.hpp"
 #include <renderer/render_command.hpp>
 #include <renderer/vertex_array.hpp>
 #include <renderer/renderer2d.hpp>
@@ -121,6 +121,8 @@ namespace OpenEngine {
 
     void Renderer2D::Shutdown()
     {
+        OE_PROFILE_FUNCTION();
+
         renderer_data.white_texture.reset();
         renderer_data.vertex_array.reset();
         renderer_data.vertex_buffer.reset();
@@ -130,8 +132,6 @@ namespace OpenEngine {
 
         for (uint32_t i = 0; i < renderer_data.texture_slot_index; i++)
             renderer_data.texture_slots[i].reset();
-
-        OE_PROFILE_FUNCTION();
     }
 
     void Renderer2D::BeginScene(const OrthographicCamera& camera)

open_engine/src/open_engine/renderer/renderer3d.cpp

@@ -0,0 +1,246 @@
+#include "logging.hpp"
+#include "scene/scene_camera.hpp"
+#include <pch.hpp>
+
+#include <renderer/render_command.hpp>
+#include <renderer/uniform_buffer.hpp>
+#include <renderer/editor_camera.hpp>
+#include <renderer/vertex_array.hpp>
+#include <renderer/renderer3d.hpp>
+#include <renderer/shader.hpp>
+#include <renderer/buffer.hpp>
+#include <instrumentor.hpp>
+#include <ref_scope.hpp>
+
+#include <glm/ext/quaternion_common.hpp>
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/trigonometric.hpp>
+#include <glm/fwd.hpp>
+#include <cstdint>
+
+#include <glad/glad.h>
+
+namespace OpenEngine {
+
+    // SHOULD BE MOVED ==================================
+    Ref<Mesh> CreateMesh(const std::vector<MeshVertex>& vertices,
+            const std::vector<uint32_t>& indices)
+    {
+        Ref<Mesh> mesh = CreateRef<Mesh>();
+        mesh->vertices = vertices;
+        mesh->indices = indices;
+
+        mesh->vertex_array = VertexArray::Create();
+
+        mesh->vertex_buffer = VertexBuffer::Create(vertices.size() * sizeof(MeshVertex));
+        mesh->vertex_buffer->SetData(vertices.data(), vertices.size() * sizeof(MeshVertex));
+
+        BufferLayout layout = {
+            { ShaderDataType::Float3, "a_Position" },
+            { ShaderDataType::Float4, "a_Color" },
+            { ShaderDataType::Float3, "a_Normal" },
+            { ShaderDataType::Float2, "a_TexCoord" },
+            { ShaderDataType::Int, "a_EntityID"}
+        };
+        mesh->vertex_buffer->SetLayout(layout);
+        mesh->vertex_array->AddVertexBuffer(mesh->vertex_buffer);
+
+        mesh->index_buffer = IndexBuffer::Create(indices.data(), indices.size());
+        mesh->vertex_array->SetIndexBuffer(mesh->index_buffer);
+
+        return mesh;
+    }
+
+    Ref<Mesh> CreateQuad(uint32_t id, bool back_face)
+    {
+        OE_PROFILE_FUNCTION();
+        OE_CORE_DEBUG("Creating quad with id {}.", id);
+
+        std::vector<MeshVertex> vertices;
+        std::vector<uint32_t> indices;
+        if (back_face) {
+            vertices = {
+                // Front face (normal 0, 0, 1)
+                {{-0.5f, -0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {0,0}, id},
+                {{-0.5f,  0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {0,1}, id},
+                {{ 0.5f,  0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {1,1}, id},
+                {{ 0.5f, -0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {1,0}, id},
+
+                // Back face (normal 0, 0, -1)
+                {{-0.5f, -0.5f, -0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {0,0}, id},
+                {{-0.5f,  0.5f, -0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {0,1}, id},
+                {{ 0.5f,  0.5f, -0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {1,1}, id},
+                {{ 0.5f, -0.5f, -0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {1,0}, id}
+            };
+
+            indices = {
+                // Front face (z=0.5)
+                0, 2, 1, 0, 3, 2,
+                // Back face (z=-0.5)
+                4, 5, 6,  4, 6, 7
+            };
+        } else {
+            vertices = {
+                // Front face (normal 0, 0, 1)
+                {{-0.5f, -0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {0,0}, id},
+                {{-0.5f,  0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {0,1}, id},
+                {{ 0.5f,  0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {1,1}, id},
+                {{ 0.5f, -0.5f,  0.0f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {1,0}, id}
+            };
+
+            indices = {
+                // Front face (z=0.5)
+                0, 2, 1, 0, 3, 2
+            };
+        }
+
+        return CreateMesh(vertices, indices);
+    }
+
+    Ref<Mesh> CreateCube(uint32_t id)
+    {
+        OE_PROFILE_FUNCTION();
+        OE_CORE_DEBUG("Creating cube with id {}.", id);
+        std::vector<MeshVertex> vertices = {
+            // Front face (normal 0, 0, 1)
+            {{-0.5f, -0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {0,0}, id},
+            {{-0.5f,  0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {0,1}, id},
+            {{ 0.5f,  0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {1,1}, id},
+            {{ 0.5f, -0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,1}, {1,0}, id},
+
+            // Back face (normal 0, 0, -1)
+            {{-0.5f, -0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {0,0}, id},
+            {{-0.5f,  0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {0,1}, id},
+            {{ 0.5f,  0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {1,1}, id},
+            {{ 0.5f, -0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,0,-1}, {1,0}, id},
+
+            // Left face (normal -1, 0, 0)
+            {{-0.5f, -0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {-1,0,0}, {0,0}, id},
+            {{-0.5f,  0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {-1,0,0}, {0,1}, id},
+            {{-0.5f,  0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {-1,0,0}, {1,1}, id},
+            {{-0.5f, -0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {-1,0,0}, {1,0}, id},
+
+            // Right face (normal 1, 0, 0)
+            {{ 0.5f, -0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {1,0,0}, {0,0}, id},
+            {{ 0.5f,  0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {1,0,0}, {0,1}, id},
+            {{ 0.5f,  0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {1,0,0}, {1,1}, id},
+            {{ 0.5f, -0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {1,0,0}, {1,0}, id},
+
+            // Top face (normal 0, 1, 0)
+            {{-0.5f,  0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,1,0}, {0,0}, id},
+            {{-0.5f,  0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,1,0}, {0,1}, id},
+            {{ 0.5f,  0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,1,0}, {1,1}, id},
+            {{ 0.5f,  0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,1,0}, {1,0}, id},
+
+            // Bottom face (normal 0, -1, 0)
+            {{-0.5f, -0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,-1,0}, {0,0}, id},
+            {{-0.5f, -0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,-1,0}, {0,1}, id},
+            {{ 0.5f, -0.5f,  0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,-1,0}, {1,1}, id},
+            {{ 0.5f, -0.5f, -0.5f}, { 0.5f, 0.5f, 0.5f, 1 }, {0,-1,0}, {1,0}, id},
+        };
+
+        std::vector<uint32_t> indices = {
+            // Front face (z=-0.5)
+            0, 2, 1, 0, 3, 2,
+            // Back face (z=0.5)
+            4, 5, 6,  4, 6, 7,
+            // Right face
+            12, 13, 14, 12, 14, 15,
+            // Left face
+            8, 10, 9, 8, 11, 10,
+            // Top face
+            18, 16, 17, 18, 19, 16,
+            // Bottom face
+            20, 22, 21, 20, 23, 22
+        };
+
+        return CreateMesh(vertices, indices);
+    }
+
+    // ==================================================
+    struct Renderer3DData
+    {
+        Ref<Shader> color_shader_3d;
+
+        struct CameraData
+        {
+            glm::mat4 view_projection;
+            glm::vec3 view_position;
+        };
+        CameraData camera_buffer;
+        Ref<UniformBuffer> camera_uniform_buffer;
+        
+        struct TransformData
+        {
+            glm::mat4 transform;
+        };
+        TransformData transform_buffer;
+        Ref<UniformBuffer> transform_uniform_buffer;
+    };
+
+    static Renderer3DData renderer_data;
+
+    void Renderer3D::Init()
+    {
+        OE_PROFILE_FUNCTION();
+        
+        glEnable(GL_CULL_FACE);
+        glCullFace(GL_BACK);
+
+        renderer_data.color_shader_3d = Shader::Create("assets/shaders/color3d.glsl");
+        renderer_data.camera_uniform_buffer = UniformBuffer::Create(sizeof(Renderer3DData::CameraData), 0);
+        renderer_data.transform_uniform_buffer = UniformBuffer::Create(sizeof(Renderer3DData::TransformData), 1);
+
+        glEnable(GL_DEBUG_OUTPUT);
+        glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
+        glDebugMessageCallback([](GLenum source, GLenum type, GLuint id, GLenum severity,
+                    GLsizei length, const GLchar* message, const void* userParam) {
+                OE_CORE_ERROR("GL: {0}", message);
+                }, nullptr);
+    }
+    
+    void Renderer3D::Shutdown()
+    {
+        renderer_data.camera_uniform_buffer.reset();
+        renderer_data.color_shader_3d.reset();
+    }
+    
+    void Renderer3D::BeginScene(const SceneCamera& camera, const glm::mat4& transform)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.camera_buffer.view_projection = camera.GetProjection() * glm::inverse(transform);
+        renderer_data.camera_buffer.view_position = transform[3];
+
+		renderer_data.camera_uniform_buffer->SetData(&renderer_data.camera_buffer, sizeof(Renderer3DData::CameraData));
+    }
+
+    void Renderer3D::BeginScene(const EditorCamera& camera)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.camera_buffer.view_projection = camera.GetViewProjection();
+        renderer_data.camera_buffer.view_position = camera.GetPosition();
+
+		renderer_data.camera_uniform_buffer->SetData(&renderer_data.camera_buffer, sizeof(Renderer3DData::CameraData));
+    }
+
+    void Renderer3D::EndScene()
+    {
+
+    }
+
+    void Renderer3D::DrawMesh(const Ref<Mesh>& mesh, const glm::mat4& transform)
+    {
+        OE_PROFILE_FUNCTION();
+
+        renderer_data.color_shader_3d->Bind();
+
+        renderer_data.transform_buffer.transform = transform;
+        renderer_data.transform_uniform_buffer->SetData(&renderer_data.transform_buffer, sizeof(Renderer3DData::TransformData));
+
+        mesh->vertex_array->Bind();
+
+        RenderCommand::DrawIndexed(mesh->vertex_array, mesh->indices.size());
+    }
+}

open_engine/src/open_engine/scene/scene.cpp

@@ -1,26 +1,42 @@
+#include <cstdint>
+#include <entt/entity/fwd.hpp>
 #include <pch.hpp>
 
-#include <renderer/renderer2d.hpp>
+#include <renderer/renderer3d.hpp>
 #include <scene/components.hpp>
 #include <scene/entity.hpp>
 #include <scene/scene.hpp>
 
 namespace OpenEngine {
+
     Entity Scene::CreateEntity(const std::string& name)
     {
         Entity entity = { registry.create(), this };
 
-        auto& tag = entity.AddComponents<TagComponent>();
+        auto& tag = entity.AddComponent<TagComponent>();
         tag.tag = name.empty() ? "Entity" : name;
 
         return entity;
     }
     
-    void Scene::DeleteEntity(Entity entity)
+    void Scene::DeleteEntity(entt::entity entity)
     {
         registry.destroy(entity);
     }
 
+    void Scene::MarkEntityForDeletion(Entity entity)
+    {
+        entities_to_be_deleted.emplace_back(entity);
+    }
+    
+    void Scene::UpdateEntities()
+    {
+        for (auto& entity : entities_to_be_deleted)
+            DeleteEntity(entity);
+
+        entities_to_be_deleted.clear();
+    }
+
     void Scene::OnUpdateRuntime()
     {
         {
@@ -53,44 +69,42 @@ namespace OpenEngine {
             }
 
             if (main_camera) {
-                Renderer2D::BeginScene(main_camera->GetProjection(), main_transform);
+                Renderer3D::BeginScene(*main_camera, main_transform);
 
-                auto view = registry.view<TransformComponent, SpriteRendererComponent>();
+                auto view = registry.view<TransformComponent, MeshComponent>();
 
                 for (const auto& entity : view) {
-                    auto [transform, sprite] = view.get<TransformComponent, SpriteRendererComponent>(entity);
+                    auto [transform, mesh] = view.get<TransformComponent, MeshComponent>(entity);
 
+                    Renderer3D::DrawMesh(mesh.mesh, GetTransformFromComp(transform));
+                    /*
                     if (sprite.texture)
                         Renderer2D::DrawQuad(GetTransformFromComp(transform),
                                 sprite.texture, sprite.color, (int)entity, sprite.tiling_factor);
                     else
                         Renderer2D::DrawQuad(GetTransformFromComp(transform),
                                 sprite.color, (int)entity);
+                    */
                 }
 
-                Renderer2D::EndScene();
+                Renderer3D::EndScene();
             }
         }
     }
 
     void Scene::OnUpdateEditor(EditorCamera& camera)
 	{
-		Renderer2D::BeginScene(camera);
+		Renderer3D::BeginScene(camera);
 
-		auto group = registry.group<TransformComponent>(entt::get<SpriteRendererComponent>);
+        auto view = registry.view<TransformComponent, MeshComponent>();
-		for (auto entity : group)
-		{
-			auto [transform, sprite] = group.get<TransformComponent, SpriteRendererComponent>(entity);
 
-            if (sprite.texture)
+        for (const auto& entity : view) {
-                Renderer2D::DrawQuad(GetTransformFromComp(transform),
+            auto [transform, mesh] = view.get<TransformComponent, MeshComponent>(entity);
-                        sprite.texture, sprite.color, (int)entity, sprite.tiling_factor);
-            else
-                Renderer2D::DrawQuad(GetTransformFromComp(transform),
-                        sprite.color, (int)entity);
-		}
 
-		Renderer2D::EndScene();
+            Renderer3D::DrawMesh(mesh.mesh, GetTransformFromComp(transform));
+        }
+
+		Renderer3D::EndScene();
 	}
 
     void Scene::OnViewportResize(uint32_t width, uint32_t height)
@@ -151,4 +165,9 @@ namespace OpenEngine {
 	void Scene::OnComponentAdded<NativeScriptComponent>(Entity entity, NativeScriptComponent& component)
 	{
 	}
+
+	template<>
+	void Scene::OnComponentAdded<MeshComponent>(Entity entity, MeshComponent& component)
+	{
+	}
 }

open_engine/src/open_engine/scene/scene_serializer.cpp

@@ -209,7 +209,7 @@ namespace OpenEngine {
 				auto transformComponent = entity["TransformComponent"];
 				if (transformComponent)
 				{
-					auto& tc = deserializedEntity.AddComponents<TransformComponent>();
+					auto& tc = deserializedEntity.AddComponent<TransformComponent>();
 					tc.translation = transformComponent["Translation"].as<glm::vec3>();
 					tc.rotation = transformComponent["Rotation"].as<glm::vec3>();
 					tc.scale = transformComponent["Scale"].as<glm::vec3>();
@@ -218,7 +218,7 @@ namespace OpenEngine {
 				auto cameraComponent = entity["CameraComponent"];
 				if (cameraComponent)
 				{
-					auto& cc = deserializedEntity.AddComponents<CameraComponent>();
+					auto& cc = deserializedEntity.AddComponent<CameraComponent>();
 
 					auto camera_props = cameraComponent["Camera"];
 					cc.camera.SetProjectionType((SceneCamera::ProjectionType)camera_props["ProjectionType"].as<int>());
@@ -238,7 +238,7 @@ namespace OpenEngine {
 				auto spriteRendererComponent = entity["SpriteRendererComponent"];
 				if (spriteRendererComponent)
 				{
-					auto& src = deserializedEntity.AddComponents<SpriteRendererComponent>();
+					auto& src = deserializedEntity.AddComponent<SpriteRendererComponent>();
 					src.color = spriteRendererComponent["Color"].as<glm::vec4>();
 				}
 			}