Merge branch 'main' into SP3-2-Physics

Assets/Scenes/M2Scene.shade

@@ -1,5 +1,5 @@
 - EID: 0
-  Name: Default
+  Name: Camera
   IsActive: true
   NumberOfChildren: 0
   Components:
@@ -22,7 +22,7 @@
       Strength: 0
   Scripts: ~
 - EID: 1
-  Name: Default
+  Name: Floor
   IsActive: true
   NumberOfChildren: 0
   Components:
@@ -88,3 +88,144 @@
           Density: 1
           Position Offset: {x: 0, y: 0, z: 0}
   Scripts: ~
+- EID: 3
+  Name: Empty
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: -0.0094268322, y: 0, z: 0}
+      Rotate: {x: -0, y: 0, z: -0}
+      Scale: {x: 1, y: 1, z: 1}
+  Scripts: ~
+- EID: 4
+  Name: Empty2
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: 0, z: 0}
+      Rotate: {x: 0, y: 0, z: 0}
+      Scale: {x: 1, y: 1, z: 1}
+  Scripts: ~
+- EID: 9
+  Name: Bag
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: 0, z: 0}
+      Rotate: {x: 0, y: 0, z: 0}
+      Scale: {x: 1, y: 1, z: 1}
+    Renderable Component:
+      Mesh: 144838771
+      Material: 123745521
+  Scripts: ~
+- EID: 6
+  Name: AI
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: -8, y: -2, z: 2.5}
+      Rotate: {x: 0, y: 0, z: 0}
+      Scale: {x: 1, y: 1, z: 1}
+    Renderable Component:
+      Mesh: 149697411
+      Material: 126974645
+    RigidBody Component:
+      Type: Dynamic
+      Mass: 1
+      Drag: 0
+      Angular Drag: 0
+      Use Gravity: true
+      Interpolate: false
+      Freeze Position X: false
+      Freeze Position Y: false
+      Freeze Position Z: false
+      Freeze Rotation X: true
+      Freeze Rotation Y: true
+      Freeze Rotation Z: true
+    Collider Component:
+      Colliders:
+        - Is Trigger: false
+          Type: Box
+          Half Extents: {x: 0.5, y: 0.5, z: 0.5}
+          Friction: 0.400000006
+          Bounciness: 0
+          Density: 1
+          Position Offset: {x: 0, y: 0.5, z: 0}
+  Scripts: ~
+- EID: 7
+  Name: BigBoi
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: -16.8647861, z: -14.039052}
+      Rotate: {x: -0, y: 0, z: -0}
+      Scale: {x: 28.1434975, y: 28.1434975, z: 28.1434975}
+    Renderable Component:
+      Mesh: 149697411
+      Material: 126974645
+  Scripts: ~
+- EID: 8
+  Name: AmbientLight
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Light Component:
+      Position: {x: 0, y: 0, z: 0}
+      Type: Ambient
+      Direction: {x: 0, y: 0, z: 1}
+      Color: {x: 1, y: 1, z: 1, w: 1}
+      Layer: 4294967295
+      Strength: 0.25
+  Scripts: ~
+- EID: 5
+  Name: item
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: -2, z: -5}
+      Rotate: {x: 0, y: 0, z: 0}
+      Scale: {x: 2, y: 2, z: 2}
+    Renderable Component:
+      Mesh: 144838771
+      Material: 123745521
+    RigidBody Component:
+      Type: Dynamic
+      Mass: 1
+      Drag: 0
+      Angular Drag: 0
+      Use Gravity: true
+      Interpolate: false
+      Freeze Position X: false
+      Freeze Position Y: false
+      Freeze Position Z: false
+      Freeze Rotation X: true
+      Freeze Rotation Y: true
+      Freeze Rotation Z: true
+    Collider Component:
+      Colliders:
+        - Is Trigger: false
+          Type: Box
+          Half Extents: {x: 1, y: 1, z: 1}
+          Friction: 0.400000006
+          Bounciness: 0
+          Density: 1
+          Position Offset: {x: 0, y: 0.5, z: 0}
+        - Is Trigger: true
+          Type: Box
+          Half Extents: {x: 2, y: 2, z: 2}
+          Friction: 0.400000006
+          Bounciness: 0
+          Density: 1
+          Position Offset: {x: 0, y: 0.5, z: 0}
+  Scripts:
+    - Type: Item
+      currCategory: 0
+    - Type: PickAndThrow
+      throwForce: [100, 200, 100]
+      item: 51000

Assets/Scripts/AIPrototype.cs

@@ -51,7 +51,6 @@ public class AIPrototype : Script
 
   private GameObject? player;
 
-  public AIPrototype(GameObject gameObj) : base(gameObj) { }
 
   protected override void awake()
   {

Assets/Scripts/CameraControl.cs

@@ -7,7 +7,6 @@ namespace SHADE_Scripting
     {
         public float turnSpeed = 0.5f;
 
-        public CameraControl(GameObject go) : base(go) { }
         protected override void update()
         {
             //Camera

Assets/Scripts/CameraFix.cs

@@ -3,7 +3,6 @@ using System;
 
 public class CameraFix : Script
 {
-  public CameraFix(GameObject gameObj) : base(gameObj) { }
 
   private Transform tranform;
   public Vector3 pos = Vector3.Zero;

Assets/Scripts/Item.cs

@@ -10,7 +10,6 @@ public class Item : Script
   }
 
   public ItemCategory currCategory;
-  public Item(GameObject gameObj) : base(gameObj) { }
 
   protected override void awake()
   {

Assets/Scripts/PhysicsTest.cs

@@ -8,7 +8,6 @@ public class PhysicsTest : Script
     private Transform Transform;
     private RigidBody RigidBody;
     private Collider Collider;
-    public PhysicsTest(GameObject gameObj) : base(gameObj) { }
 
     protected override void awake()
     {

Assets/Scripts/PickAndThrow.cs

@@ -14,7 +14,6 @@ public class PickAndThrow : Script
   private float lastXDir;
   private float lastZDir;
   private bool inRange = false;
-  public PickAndThrow(GameObject gameObj) : base(gameObj) { }
 
   protected override void awake()
   {

Assets/Scripts/PlayerController.cs

@@ -73,8 +73,6 @@ public class PlayerController : Script
   public float mediumMultiper = 0.5f;
   public float heavyMultiper = 0.25f;
 
-  public PlayerController(GameObject gameObj) : base(gameObj) { }
-
   protected override void awake()
   {
     //default setup

Assets/Scripts/PrintWhenActive.cs

@@ -2,8 +2,6 @@
 
 public class PrintWhenActive : Script
 {
-    public PrintWhenActive(GameObject gameObj) : base(gameObj) { }
-
     protected override void update()
     {
         Debug.Log("Active!");

Assets/Scripts/RaccoonShowcase.cs

@@ -23,7 +23,6 @@ public class RaccoonShowcase : Script
     [Range(-5, 5)]
     public List<int> intList = new List<int>(new int[] { 2, 8, 2, 6, 8, 0, 1 });
     public List<Light.Type> enumList = new List<Light.Type>(new Light.Type[] { Light.Type.Point, Light.Type.Directional, Light.Type.Ambient });
-    public RaccoonShowcase(GameObject gameObj) : base(gameObj) {}
 
     protected override void awake()
     {

Assets/Scripts/RaccoonSpin.cs

@@ -14,8 +14,6 @@ public class RaccoonSpin : Script
     [SerializeField]
     private CallbackEvent<int, double, Vector3> testEvent3 = new CallbackEvent<int, double, Vector3>();
     private Transform Transform;
-    public RaccoonSpin(GameObject gameObj) : base(gameObj) { }
-
 
     protected override void awake()
     {

Assets/Scripts/ThirdPersonCamera.cs

@@ -15,7 +15,6 @@ namespace SHADE_Scripting
         public float turnSpeedPitch = 0.3f;
         public float turnSpeedYaw = 0.5f;
         public float pitchClamp = 45.0f;
-        public ThirdPersonCamera(GameObject go) : base(go) { }
 
         protected override void awake()
         {

SHADE_Engine/src/Camera/SHCameraSystem.cpp

@@ -63,14 +63,6 @@ namespace SHADE
     }
 
     UpdateCameraComponent(editorCamera);
-
-    if (SHInputManager::GetKey(SHInputManager::SH_KEYCODE::LEFT_ALT))
-    {
-      UpdateEditorArm(dt, true, SHVec3{ 0.0f });
-    }
-    else
-      UpdateEditorArm(dt, false, SHVec3{ 0.0f });
-
   }
 
   void SHCameraSystem::UpdateEditorArm(double dt,bool active ,SHVec3 const& targetPos) noexcept

SHADE_Engine/src/Editor/EditorWindow/AssetBrowser/SHAssetBrowser.cpp

@@ -13,6 +13,7 @@
 #include "Editor/SHEditor.h"
 #include "Editor/DragDrop/SHDragDrop.hpp"
 #include "Editor/EditorWindow/MaterialInspector/SHMaterialInspector.h"
+#include "Editor/EditorWindow/SHEditorWindowManager.h"
 
 namespace SHADE
 {

SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.cpp

@@ -15,6 +15,7 @@
 #include "Editor/DragDrop/SHDragDrop.hpp"
 #include "Tools/SHException.h"
 #include "Editor/IconsMaterialDesign.h"
+#include "SHHierarchyPanelCommands.h"
 
 //#==============================================================#
 //||                      Library Includes                      ||
@@ -105,15 +106,22 @@ namespace SHADE
             PasteEntities(editor->selectedEntities.back());
           }
         }
+        if(ImGui::IsKeyReleased(ImGuiKey_Delete))
+        {
+          DeleteSelectedEntities();
+        }
       }
 
     }
     if(ImGui::IsWindowHovered() && !ImGui::IsAnyItemHovered() && ImGui::IsMouseReleased(ImGuiMouseButton_Left))
+    {
+      if(ImGui::IsDragDropActive())
       {
         ParentSelectedEntities(MAX_EID, draggingEntities);
         draggingEntities.clear();
         ImGui::ClearDragDrop();
       }
+    }
     ImGui::End();
   }
 
@@ -255,9 +263,10 @@ namespace SHADE
         PasteEntities(eid);
         skipFrame = true;
       }
-      if (ImGui::Selectable(std::format("{} Delete", ICON_MD_DELETE).data()))
+      if (ImGui::Selectable(std::format("{} Delete selected", ICON_MD_DELETE).data()))
       {
-        SHEntityManager::DestroyEntity(eid);
+        //SHEntityManager::DestroyEntity(eid);
+        DeleteSelectedEntities();
       }
 
       if ((currentNode->GetParent() != sceneGraph.GetRoot()) && ImGui::Selectable(std::format("{} Unparent Selected", ICON_MD_NORTH_WEST).data()))
@@ -282,9 +291,12 @@ namespace SHADE
             }
             else editor->selectedEntities.clear();
           }
-          else if (!ImGui::IsKeyDown(ImGuiKey_LeftCtrl))
+          else
+          {
+            if (!ImGui::IsKeyDown(ImGuiKey_LeftCtrl))
               editor->selectedEntities.clear();
             editor->selectedEntities.push_back(eid);
+          }
         }//if not selected
         else
         {
@@ -365,6 +377,7 @@ namespace SHADE
           if (eid == beginEID || eid == endEID)
           {
             startSelecting = true;
+            if(std::ranges::find(editor->selectedEntities, eid) == editor->selectedEntities.end())
               editor->selectedEntities.push_back(eid);
           }
         }
@@ -372,6 +385,7 @@ namespace SHADE
         {
           if (!endSelecting)
           {
+            if (std::ranges::find(editor->selectedEntities, eid) == editor->selectedEntities.end())
               editor->selectedEntities.push_back(eid);
             if (eid == endEID || eid == beginEID)
             {
@@ -397,47 +411,39 @@ namespace SHADE
   void SHHierarchyPanel::CopySelectedEntities()
   {
     const auto editor = SHSystemManager::GetSystem<SHEditor>();
-    SHClipboardUtilities::WriteToClipboard(SHSerialization::SerializeEntitiesToString(editor->selectedEntities));
+    auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
+    std::vector<EntityID> entitiesToCopy{};
+    std::ranges::copy_if(editor->selectedEntities, std::back_inserter(entitiesToCopy), [&sceneGraph](EntityID const& eid)
+      {
+        if(sceneGraph.GetParent(eid)->GetEntityID() == MAX_EID)
+          return true;
+        return false;
+      });
+    SHClipboardUtilities::WriteToClipboard(SHSerialization::SerializeEntitiesToString(entitiesToCopy));
   }
 
   void SHHierarchyPanel::PasteEntities(EntityID parentEID)
   {
-    SetScrollTo(SHSerialization::DeserializeEntitiesFromString(SHClipboardUtilities::GetDataFromClipboard(), parentEID));
+    //SetScrollTo(SHSerialization::DeserializeEntitiesFromString(SHClipboardUtilities::GetDataFromClipboard(), parentEID).front());
+    SHCommandManager::PerformCommand(std::make_shared<SHPasteEntitiesCommand>(SHClipboardUtilities::GetDataFromClipboard(), parentEID));
   }
 
-  void SHCreateEntityCommand::Execute()
+  void SHHierarchyPanel::DeleteSelectedEntities()
   {
-    EntityID newEID = SHEntityManager::CreateEntity(eid);
+    const auto editor = SHSystemManager::GetSystem<SHEditor>();
-    if (eid == MAX_EID)
+    auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
-      eid = newEID;
+
+    std::vector<EntityID> entitiesToDelete{};
+    std::ranges::copy_if(editor->selectedEntities, std::back_inserter(entitiesToDelete), [&sceneGraph, &selectedEntities = editor->selectedEntities](EntityID const& eid)
+      {
+        EntityID parentEID = sceneGraph.GetParent(eid)->GetEntityID();
+        if (parentEID == MAX_EID)
+          return true;
+        else if(std::ranges::find(selectedEntities, parentEID) == selectedEntities.end())
+          return true;
+        return false;
+      });
+    SHCommandManager::PerformCommand(std::make_shared<SHDeleteEntitiesCommand>(entitiesToDelete));
   }
 
-  void SHCreateEntityCommand::Undo()
-  {
-    SHEntityManager::DestroyEntity(eid);
-  }
-
-  void SHEntityParentCommand::Execute()
-  {
-    auto& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
-    for (auto const& eid : entities)
-    {
-      if (entityParentData[eid].newParentEID == MAX_EID)
-        sceneGraph.SetParent(eid, nullptr);
-      else
-        sceneGraph.SetParent(eid, entityParentData[eid].newParentEID);
-    }
-  }
-
-  void SHEntityParentCommand::Undo()
-  {
-    auto& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
-    for (auto const& eid : entities)
-    {
-      if (entityParentData[eid].oldParentEID == MAX_EID)
-        sceneGraph.SetParent(eid, nullptr);
-      else
-        sceneGraph.SetParent(eid, entityParentData[eid].oldParentEID);
-    }
-  }
 }//namespace SHADE

SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.h

@@ -10,7 +10,6 @@
 #include "imgui_internal.h"
 #include "ECS_Base/SHECSMacros.h"
 #include "Editor/EditorWindow/SHEditorWindow.h"
-#include "Editor/Command/SHCommand.hpp"
 namespace SHADE
 {
   class SHSceneNode;
@@ -33,6 +32,7 @@ namespace SHADE
     void SelectAllEntities();
     void CopySelectedEntities();
     void PasteEntities(EntityID parentEID = MAX_EID);
+    void DeleteSelectedEntities();
     bool skipFrame = false;
     std::string filter;
     bool isAnyNodeSelected = false;
@@ -41,33 +41,4 @@ namespace SHADE
 
   };//class SHHierarchyPanel
 
-  //Might move to a different file
-  class SHCreateEntityCommand final : public SHBaseCommand
-  {
-  public:
-    void Execute() override;
-    void Undo() override;
-  private:
-    EntityID eid = MAX_EID;
-  };
-
-  class SHEntityParentCommand final : public SHBaseCommand
-  {
-  public:
-    struct Data
-    {
-      EntityID oldParentEID = MAX_EID;
-      EntityID newParentEID = MAX_EID;
-    };
-    using EntityParentData = std::unordered_map<EntityID, Data>;
-
-    SHEntityParentCommand(std::vector<EntityID> entityIDs, EntityParentData inEntityParentData):entities(entityIDs),entityParentData(inEntityParentData){}
-
-    void Execute() override;
-    void Undo() override;
-  private:
-    std::vector<EntityID> entities;
-    std::unordered_map<EntityID, Data> entityParentData;
-  };
-
 }//namespace SHADE

SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanelCommands.cpp

@@ -0,0 +1,84 @@
+#include "SHpch.h"
+#include "SHHierarchyPanelCommands.h"
+#include "ECS_Base/Managers/SHEntityManager.h"
+#include "Scene/SHSceneManager.h"
+#include "Serialization/SHSerialization.h"
+#include "SHHierarchyPanel.h"
+#include "Editor/EditorWindow/SHEditorWindowManager.h"
+
+namespace SHADE
+{
+  void SHCreateEntityCommand::Execute()
+  {
+    EntityID newEID = SHEntityManager::CreateEntity(eid);
+    if (eid == MAX_EID)
+      eid = newEID;
+  }
+
+  void SHCreateEntityCommand::Undo()
+  {
+    SHEntityManager::DestroyEntity(eid);
+  }
+
+  void SHEntityParentCommand::Execute()
+  {
+    auto& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
+    for (auto const& eid : entities)
+    {
+      if (entityParentData[eid].newParentEID == MAX_EID)
+        sceneGraph.SetParent(eid, nullptr);
+      else
+        sceneGraph.SetParent(eid, entityParentData[eid].newParentEID);
+    }
+  }
+
+  void SHEntityParentCommand::Undo()
+  {
+    auto& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
+    for (auto const& eid : entities)
+    {
+      if (entityParentData[eid].oldParentEID == MAX_EID)
+        sceneGraph.SetParent(eid, nullptr);
+      else
+        sceneGraph.SetParent(eid, entityParentData[eid].oldParentEID);
+    }
+  }
+
+  void SHPasteEntitiesCommand::Execute()
+  {
+    data.createdEntities.clear();
+    data.createdEntities = SHSerialization::DeserializeEntitiesFromString(data.entityData, data.parentEID);
+    data.entityData = SHSerialization::ResolveSerializedEntityIndices(data.entityData, data.createdEntities);
+    SHEditorWindowManager::GetEditorWindow<SHHierarchyPanel>()->SetScrollTo(data.createdEntities.begin()->second);
+  }
+
+  void SHPasteEntitiesCommand::Undo()
+  {
+    for (auto const& [oldEID, newEID] : data.createdEntities)
+    {
+      SHEntityManager::DestroyEntity(newEID);
+    }
+  }
+
+  void SHDeleteEntitiesCommand::Execute()
+  {
+    if(!data.createdEntities.empty())
+    {
+      for(auto& eid : data.entitiesToDelete)
+      {
+        eid = data.createdEntities[eid];
+      }
+    }
+    data.entityData = SHSerialization::SerializeEntitiesToString(data.entitiesToDelete);
+    for (auto const& eid : data.entitiesToDelete)
+    {
+      SHEntityManager::DestroyEntity(eid);
+    }
+  }
+
+  void SHDeleteEntitiesCommand::Undo()
+  {
+    data.createdEntities = SHSerialization::DeserializeEntitiesFromString(data.entityData);
+    data.entityData = SHSerialization::ResolveSerializedEntityIndices(data.entityData, data.createdEntities);
+  }
+}

SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanelCommands.h

@@ -0,0 +1,72 @@
+#pragma once
+
+#include <unordered_map>
+
+#include "ECS_Base/SHECSMacros.h"
+#include "Editor/Command/SHCommand.hpp"
+#include "Serialization/SHSerialization.h"
+namespace SHADE
+{
+  class SHCreateEntityCommand final : public SHBaseCommand
+  {
+  public:
+    void Execute() override;
+    void Undo() override;
+  private:
+    EntityID eid = MAX_EID;
+  };
+
+  class SHEntityParentCommand final : public SHBaseCommand
+  {
+  public:
+    struct Data
+    {
+      EntityID oldParentEID = MAX_EID;
+      EntityID newParentEID = MAX_EID;
+    };
+    using EntityParentData = std::unordered_map<EntityID, Data>;
+
+    SHEntityParentCommand(std::vector<EntityID> entityIDs, EntityParentData inEntityParentData) :entities(entityIDs), entityParentData(inEntityParentData) {}
+
+    void Execute() override;
+    void Undo() override;
+  private:
+    std::vector<EntityID> entities{};
+    std::unordered_map<EntityID, Data> entityParentData{};
+  };
+
+  class SHPasteEntitiesCommand final : public SHBaseCommand
+  {
+  public:
+    struct Data
+    {
+      EntityID parentEID{MAX_EID};
+      std::string entityData{};
+      SHSerialization::CreatedEntitiesList createdEntities{};
+    };
+    SHPasteEntitiesCommand() = delete;
+    SHPasteEntitiesCommand(std::string const& serializedEntityData, EntityID parentEid = MAX_EID):data({parentEid, serializedEntityData, {}}){}
+
+    void Execute() override;
+    void Undo() override;
+  private:
+    Data data;
+  };
+
+  class SHDeleteEntitiesCommand final : public SHBaseCommand
+  {
+  public:
+    struct Data
+    {
+      std::vector<EntityID> entitiesToDelete{};
+      SHSerialization::CreatedEntitiesList createdEntities{};
+      std::string entityData{};
+    };
+    SHDeleteEntitiesCommand() = delete;
+    SHDeleteEntitiesCommand(std::vector<EntityID> entitiesToBeDeleted): data{entitiesToBeDeleted}{}
+    void Execute() override;
+    void Undo() override;
+  private:
+    Data data;
+  };
+}

SHADE_Engine/src/Editor/EditorWindow/MenuBar/SHEditorMenuBar.cpp

@@ -23,7 +23,7 @@
 #include "Scene/SHSceneManager.h"
 #include "Serialization/SHSerialization.h"
 #include "Serialization/Configurations/SHConfigurationManager.h"
-
+#include "Editor/EditorWindow/SHEditorWindowManager.h"
 
 const std::string LAYOUT_FOLDER_PATH{ std::string(ASSET_ROOT) + "/Editor/Layouts" };
 

SHADE_Engine/src/Editor/EditorWindow/SHEditorWindowManager.cpp

@@ -0,0 +1,8 @@
+#include "SHpch.h"
+#include "SHEditorWindowManager.h"
+
+namespace SHADE
+{
+  SHEditorWindowManager::EditorWindowMap SHEditorWindowManager::editorWindows{};
+  SHEditorWindowManager::EditorWindowID  SHEditorWindowManager::windowCount{};
+}

SHADE_Engine/src/Editor/EditorWindow/SHEditorWindowManager.h

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <memory>
+#include <unordered_map>
+#include "SHEditorWindow.h"
+#include "Tools/SHLog.h"
+
+namespace SHADE
+{
+  class SH_API SHEditorWindowManager
+  {
+  public:
+    //#==============================================================#
+    //||                        Type Aliases                        ||
+    //#==============================================================#
+    using EditorWindowID = uint8_t;
+    using EditorWindowPtr = std::unique_ptr<SHEditorWindow>;
+    using EditorWindowMap = std::unordered_map<EditorWindowID, EditorWindowPtr>;
+    /**
+     * @brief Get ID for the Editor Window Type
+     *
+     * @tparam T Type of Editor Window
+     * @return EditorWindowID ID of Editor Window Type
+     */
+    template <typename T, std::enable_if_t<std::is_base_of_v<SHEditorWindow, T>, bool> = true>
+    static EditorWindowID GetEditorWindowID()
+    {
+      static EditorWindowID id;
+      static bool idCreated = false;
+      if (!idCreated)
+      {
+        id = windowCount++;
+        idCreated = true;
+      }
+      return id;
+    }
+
+    /**
+     * @brief Create an Editor Window
+     *
+     * @tparam T Type of Editor Window to create
+     */
+    template <typename T, std::enable_if_t<std::is_base_of_v<SHEditorWindow, T>, bool> = true>
+    static void CreateEditorWindow()
+    {
+      static bool isCreated = false;
+      if (!isCreated)
+      {
+        editorWindows[GetEditorWindowID<T>()] = std::make_unique<T>();
+        isCreated = true;
+      }
+      else
+      {
+        SHLog::Warning("Attempt to create duplicate of Editor window type");
+      }
+    }
+
+    /**
+     * @brief Get pointer to the Editor Window
+     *
+     * @tparam T Type of editor window to retrieve
+     * @return T* Pointer to the editor window
+     */
+    template <typename T, std::enable_if_t<std::is_base_of_v<SHEditorWindow, T>, bool> = true>
+    static T* GetEditorWindow()
+    {
+      return reinterpret_cast<T*>(editorWindows[GetEditorWindowID<T>()].get());
+    }
+
+    static EditorWindowMap editorWindows;
+  private:
+    // Number of windows; used for Editor Window ID Generation
+    static EditorWindowID windowCount;
+    // Map of Editor Windows
+    friend class SHEditor;
+  };
+}

SHADE_Engine/src/Editor/EditorWindow/ViewportWindow/SHEditorViewport.cpp

@@ -33,14 +33,32 @@ namespace SHADE
   void SHEditorViewport::Update()
   {
     SHEditorWindow::Update();
-    if (shouldUpdateCamera)
-    {
     auto camSystem = SHSystemManager::GetSystem<SHCameraSystem>();
+    SHEditor* editor = SHSystemManager::GetSystem<SHEditor>();
+
+    if (!editor->selectedEntities.empty())
+    {
+      if (SHTransformComponent* transform = SHComponentManager::GetComponent_s<SHTransformComponent>(editor->selectedEntities.front()))
+      {
+        targetPos = transform->GetWorldPosition();
+      }
+      else
+      {
+        targetPos = {};
+      }
+    }
+    else
+    {
+      targetPos = {};
+    }
+    if (shouldUpdateCamera || shouldUpdateCamArm)
+    {
       camSystem->UpdateEditorCamera(SHFrameRateController::GetRawDeltaTime());
       shouldUpdateCamera = false;
     }
+    camSystem->UpdateEditorArm(SHFrameRateController::GetRawDeltaTime(), shouldUpdateCamArm, targetPos);
+
     ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
-    SHEditor* editor = SHSystemManager::GetSystem<SHEditor>();
 
     if (Begin())
     {
@@ -64,6 +82,9 @@ namespace SHADE
         
         shouldUpdateCamera = true;
       }
+
+      shouldUpdateCamArm = ImGui::IsWindowHovered() && ImGui::IsKeyDown(ImGuiKey_LeftAlt) && ImGui::IsMouseDown(ImGuiMouseButton_Left);
+      
       if (editor->editorState != SHEditor::State::PLAY && ImGui::IsWindowFocused() && !ImGui::IsMouseDown(ImGuiMouseButton_Right))
       {
         if (ImGui::IsKeyReleased(ImGuiKey_W))

SHADE_Engine/src/Editor/EditorWindow/ViewportWindow/SHEditorViewport.h

@@ -29,5 +29,7 @@ namespace SHADE
     void DrawMenuBar() noexcept;
     SHVec2 beginCursorPos;
     bool shouldUpdateCamera = false;
+    bool shouldUpdateCamArm = false;
+    SHVec3 targetPos;
   };//class SHEditorViewport
 }//namespace SHADE

SHADE_Engine/src/Editor/Gizmos/SHTransformGizmo.cpp

@@ -11,6 +11,8 @@
 #include "Camera/SHCameraSystem.h"
 #include "Editor/Command/SHCommandManager.h"
 #include "Editor/EditorWindow/ViewportWindow/SHEditorViewport.h"
+#include "Editor/EditorWindow/SHEditorWindowManager.h"
+
 namespace SHADE
 {
   void SHTransformGizmo::Init()

SHADE_Engine/src/Editor/SHEditor.cpp

@@ -29,6 +29,7 @@
 //#==============================================================#
 //||                   Editor Window Includes                   ||
 //#==============================================================#
+#include "EditorWindow/SHEditorWindowManager.h"
 #include "EditorWindow/SHEditorWindowIncludes.h"
 
 //#==============================================================#
@@ -77,8 +78,6 @@ namespace SHADE
   //#==============================================================#
   //Handle<SHVkCommandPool> SHEditor::imguiCommandPool;
   //Handle<SHVkCommandBuffer> SHEditor::imguiCommandBuffer;
-  SHEditorWindowManager::EditorWindowMap SHEditorWindowManager::editorWindows{};
-  SHEditorWindowManager::EditorWindowID  SHEditorWindowManager::windowCount{};
   //std::vector<EntityID> SHEditor::selectedEntities;
 
   //#==============================================================#

SHADE_Engine/src/Editor/SHEditor.h

@@ -36,73 +36,7 @@ namespace SHADE
   class SHVkCommandBuffer;
   class SHVkCommandPool;
 
-  class SHEditorWindowManager
-  {
-  public:
-    //#==============================================================#
-    //||                        Type Aliases                        ||
-    //#==============================================================#
-    using EditorWindowID = uint8_t;
-    using EditorWindowPtr = std::unique_ptr<SHEditorWindow>;
-    using EditorWindowMap = std::unordered_map<EditorWindowID, EditorWindowPtr>;
-    /**
-     * @brief Get ID for the Editor Window Type
-     *
-     * @tparam T Type of Editor Window
-     * @return EditorWindowID ID of Editor Window Type
-     */
-    template <typename T, std::enable_if_t<std::is_base_of_v<SHEditorWindow, T>, bool>  = true>
-    static EditorWindowID GetEditorWindowID()
-    {
-      static EditorWindowID id;
-      static bool idCreated = false;
-      if (!idCreated)
-      {
-        id = windowCount++;
-        idCreated = true;
-      }
-      return id;
-    }
 
-    /**
-     * @brief Create an Editor Window
-     *
-     * @tparam T Type of Editor Window to create
-     */
-    template <typename T, std::enable_if_t<std::is_base_of_v<SHEditorWindow, T>, bool>  = true>
-    static void CreateEditorWindow()
-    {
-      static bool isCreated = false;
-      if (!isCreated)
-      {
-        editorWindows[GetEditorWindowID<T>()] = std::make_unique<T>();
-        isCreated = true;
-      }
-      else
-      {
-        SHLog::Warning("Attempt to create duplicate of Editor window type");
-      }
-    }
-
-    /**
-     * @brief Get pointer to the Editor Window
-     *
-     * @tparam T Type of editor window to retrieve
-     * @return T* Pointer to the editor window
-     */
-    template <typename T, std::enable_if_t<std::is_base_of_v<SHEditorWindow, T>, bool>  = true>
-    static T* GetEditorWindow()
-    {
-      return reinterpret_cast<T*>(editorWindows[GetEditorWindowID<T>()].get());
-    }
-
-    static EditorWindowMap editorWindows;
-  private:
-    // Number of windows; used for Editor Window ID Generation
-    static EditorWindowID windowCount;
-    // Map of Editor Windows
-    friend class SHEditor;
-  };
 
   /**
    * @brief SHEditor static class contains editor variables and implementation of editor functions.

SHADE_Engine/src/Scripting/SHScriptEngine.cpp

@@ -17,6 +17,7 @@ of DigiPen Institute of Technology is prohibited.
 #include <fstream>      // std::fstream
 #include <filesystem>   // std::filesystem::canonical, std::filesystem::remove
 #include <memory>       // std::shared_ptr
+#include <thread>       // std::this_thread::sleep_for
 // Project Headers
 #include "Tools/SHLogger.h"
 #include "Tools/SHStringUtils.h"
@@ -179,10 +180,10 @@ namespace SHADE
     }
 
     // Prepare directory (delete useless files)
-    deleteFolder(CSPROJ_DIR + "\\net5.0");
+    deleteFolder(CSPROJ_DIR + "/net5.0");
-    deleteFolder(CSPROJ_DIR + "\\ref");
+    deleteFolder(CSPROJ_DIR + "/ref");
-    deleteFolder(CSPROJ_DIR + "\\obj");
+    deleteFolder(CSPROJ_DIR + "/obj");
-    deleteFolder(CSPROJ_DIR + "\\bin");
+    deleteFolder(CSPROJ_DIR + "/bin");
 
     // Attempt to build the assembly
     std::ostringstream oss;
@@ -216,7 +217,10 @@ namespace SHADE
 
     // Clean up built files
     deleteFolder("./tmp");
-    deleteFolder(CSPROJ_DIR + "\\obj");
+    deleteFolder(CSPROJ_DIR + "/bin");
+    using namespace std::chrono_literals;
+    std::this_thread::sleep_for(50ms); // Not sure why this works but it prevents the folders from respawning
+    deleteFolder(CSPROJ_DIR + "/obj");
 
     // Read the build log and output to the console
     dumpBuildLog(BUILD_LOG_PATH);

SHADE_Engine/src/Serialization/SHSerialization.cpp

@@ -61,20 +61,21 @@ namespace SHADE
     out << YAML::EndSeq;
   }
 
-  static EntityID DeserializeEntity(YAML::iterator& it, YAML::Node const& node, std::vector<EntityID>& createdEntities, EntityID parentEID = MAX_EID)
+  static EntityID DeserializeEntity(YAML::iterator& it, YAML::Node const& node, SHSerialization::CreatedEntitiesList& createdEntities, EntityID parentEID = MAX_EID)
   {
-    EntityID eid = MAX_EID;
+    EntityID eid{MAX_EID}, oldEID{MAX_EID};
     if (!node)
       return eid;
     if (node[EIDNode])
-      eid = node[EIDNode].as<EntityID>();
+      oldEID = eid = node[EIDNode].as<EntityID>();
-    std::string name = "Default";
+    std::string name = "UnnamedEntitiy";
     if (node[EntityNameNode])
       name = node[EntityNameNode].as<std::string>();
     //Compile component IDs
     const auto componentIDList = SHSerialization::GetComponentIDList(node[ComponentsNode]);
     eid = SHEntityManager::CreateEntity(componentIDList, eid, name, parentEID);
-    createdEntities.push_back(eid);
+    createdEntities[oldEID] = eid;
+    //createdEntities.push_back(eid);
     if (node[NumberOfChildrenNode])
     {
       if (const int numOfChildren = node[NumberOfChildrenNode].as<int>(); numOfChildren > 0)
@@ -106,7 +107,7 @@ namespace SHADE
       return NewSceneName.data();
     }
     YAML::Node entities = YAML::Load(assetData->data);
-    std::vector<EntityID> createdEntities{};
+    CreatedEntitiesList createdEntities{};
 
     //Create Entities
     for (auto it = entities.begin(); it != entities.end(); ++it)
@@ -122,14 +123,14 @@ namespace SHADE
     AssetQueue assetQueue;
     for (auto it = entities.begin(); it != entities.end(); ++it)
     {
-      SHSerializationHelper::FetchAssetsFromComponent<SHRenderable>((*it)[ComponentsNode], *entityVecIt, assetQueue);  
+      SHSerializationHelper::FetchAssetsFromComponent<SHRenderable>((*it)[ComponentsNode], createdEntities[(*it)[EIDNode].as<EntityID>()], assetQueue);  
     }
     LoadAssetsFromAssetQueue(assetQueue);
     //Initialize Entity
     entityVecIt = createdEntities.begin();
     for (auto it = entities.begin(); it != entities.end(); ++it)
     {
-      InitializeEntity(*it, *entityVecIt++);
+      InitializeEntity(*it, createdEntities[(*it)[EIDNode].as<EntityID>()]);
     }
 
     return assetData->name;
@@ -160,9 +161,9 @@ namespace SHADE
     return std::string(out.c_str());
   }
 
-  void SHSerialization::SerializeEntityToFile(std::filesystem::path const& path)
+  //void SHSerialization::SerializeEntityToFile(std::filesystem::path const& path)
-  {
+  //{
-  }
+  //}
 
   template<typename ComponentType, std::enable_if_t<std::is_base_of_v<SHComponent, ComponentType>, bool> = true>
   static void AddComponentToComponentNode(YAML::Node& componentsNode, EntityID const& eid)
@@ -218,13 +219,13 @@ namespace SHADE
     return node;
   }
 
-  EntityID SHSerialization::DeserializeEntitiesFromString(std::string const& data, EntityID const& parentEID) noexcept
+  SHSerialization::CreatedEntitiesList SHSerialization::DeserializeEntitiesFromString(std::string const& data, EntityID const& parentEID) noexcept
   {
     if (data.empty())
-      return MAX_EID;
+      return {};
     YAML::Node entities = YAML::Load(data.c_str());
     EntityID eid{ MAX_EID };
-    std::vector<EntityID> createdEntities;
+    CreatedEntitiesList createdEntities{};
     for (auto it = entities.begin(); it != entities.end(); ++it)
     {
       eid = DeserializeEntity(it, *it, createdEntities, parentEID);
@@ -232,14 +233,14 @@ namespace SHADE
     if (createdEntities.empty())
     {
       SHLOG_ERROR("Failed to create entities from deserializaiton")
-        return MAX_EID;
+        return createdEntities;
     }
-    auto entityVecIt = createdEntities.begin();
+    //auto entityVecIt = createdEntities.begin();
     for (auto it = entities.begin(); it != entities.end(); ++it)
     {
-      InitializeEntity(*it, *entityVecIt++);
+      InitializeEntity(*it, createdEntities[(*it)[EIDNode].as<EntityID>()]);
     }
-    return eid;
+    return createdEntities;
   }
 
   template<typename ComponentType, std::enable_if_t<std::is_base_of_v<SHComponent, ComponentType>, bool> = true>
@@ -290,6 +291,41 @@ namespace SHADE
     SHResourceManager::FinaliseChanges();
   }
 
+  void ResolveSerializedEntityID(YAML::Emitter& out, YAML::iterator& it, YAML::Node const& entityNode, SHSerialization::CreatedEntitiesList const& createdEntities)
+  {
+    EntityID eid = entityNode[EIDNode].as<EntityID>();
+    YAML::Node resolvedNode = entityNode;
+    resolvedNode[EIDNode] = createdEntities.at(eid);
+    out << resolvedNode;
+    if (entityNode[NumberOfChildrenNode])
+    {
+      if (const int numOfChildren = entityNode[NumberOfChildrenNode].as<int>(); numOfChildren > 0)
+      {
+        ++it;
+        for (int i = 0; i < numOfChildren; ++i)
+        {
+          ResolveSerializedEntityID(out, it, (*it), createdEntities);
+          //DeserializeEntity(it, (*it), createdEntities, eid);
+          if ((i + 1) < numOfChildren)
+            ++it;
+        }
+      }
+    }
+  }
+
+  std::string SHSerialization::ResolveSerializedEntityIndices(std::string serializedEntityData, CreatedEntitiesList const& createdEntities) noexcept
+  {
+    YAML::Node entities = YAML::Load(serializedEntityData);
+    YAML::Emitter out;
+    out << YAML::BeginSeq;
+    for (auto it = entities.begin(); it != entities.end(); ++it)
+    {
+      ResolveSerializedEntityID(out, it, (*it), createdEntities);
+    }
+    out << YAML::EndSeq;
+    return out.c_str();
+  }
+
   void SHSerialization::InitializeEntity(YAML::Node const& entityNode, EntityID const& eid)
   {
     auto const componentsNode = entityNode[ComponentsNode];

SHADE_Engine/src/Serialization/SHSerialization.h

@@ -2,7 +2,6 @@
 
 #include "SH_API.h"
 #include <string>
-#include <filesystem>
 
 
 #include "ECS_Base/SHECSMacros.h"
@@ -26,8 +25,12 @@ namespace SHADE
   constexpr const char* NumberOfChildrenNode = "NumberOfChildren";
   constexpr const char* ScriptsNode = "Scripts";
 
-  struct SH_API SHSerialization
+  class SH_API SHSerialization
   {
+  public:
+    //Original EID : New EID
+    using CreatedEntitiesList = std::unordered_map<EntityID, EntityID>;
+
     static bool SerializeSceneToFile(AssetID const& sceneAssetID);
     static std::string SerializeSceneToString();
     static void SerializeSceneToEmitter(YAML::Emitter& out);
@@ -38,15 +41,18 @@ namespace SHADE
     static void EmitEntity(SHSceneNode* entityNode, YAML::Emitter& out);
 
     static std::string SerializeEntitiesToString(std::vector<EntityID> const& entities) noexcept;
-    static void SerializeEntityToFile(std::filesystem::path const& path);
+    //static void SerializeEntityToFile(std::filesystem::path const& path);
     static YAML::Node SerializeEntityToNode(SHSceneNode* sceneNode);
 
-    static EntityID DeserializeEntitiesFromString(std::string const& data, EntityID const& parentEID = MAX_EID) noexcept;
+    static CreatedEntitiesList DeserializeEntitiesFromString(std::string const& data, EntityID const& parentEID = MAX_EID) noexcept;
 
     static std::vector<ComponentTypeID> GetComponentIDList(YAML::Node const& componentsNode);
     
     static void LoadAssetsFromAssetQueue(std::unordered_map<AssetID, AssetType>& assetQueue);
+
+    static std::string ResolveSerializedEntityIndices(std::string serializedEntityData, CreatedEntitiesList const& createdEntities) noexcept;
   private:
+    //static void ResolveSerializedEntityID(YAML::Emitter& out, YAML::iterator& it, YAML::Node const& entityNode, CreatedEntitiesList const& createdEntities);
     static void InitializeEntity(YAML::Node const& entityNode, EntityID const& eid);
 
     static constexpr std::string_view NewSceneName = "New Scene";

SHADE_Managed/src/Components/Component.hxx

@@ -110,7 +110,7 @@ namespace SHADE
         /// <param name="c">Component to check.</param>
         static operator bool(BaseComponent^ c);
 
-      protected:
+      internal:
         /*-----------------------------------------------------------------------------*/
         /* Constructors                                                                */
         /*-----------------------------------------------------------------------------*/
@@ -193,7 +193,6 @@ namespace SHADE
         /// </exception>
         NativeComponent* GetNativeComponent();
 
-      protected:
         /*-----------------------------------------------------------------------------*/
         /* Constructors                                                                */
         /*-----------------------------------------------------------------------------*/

SHADE_Managed/src/Editor/Editor.cxx

@@ -79,7 +79,10 @@ namespace SHADE
                 if (SHEditorUI::Selectable(Convert::ToNative(type->Name)))
                 {
                     // Add the script
-                    ScriptStore::AddScriptViaName(entity, type->Name);
+                    Script^ script;
+                    ScriptStore::AddScriptViaNameWithRef(entity, type->Name, script);
+                    registerUndoScriptAddAction(entity, script);
+                    break;
                 }
             }
 
@@ -120,7 +123,7 @@ namespace SHADE
             SHEditorUI::Indent();
             {
                 // Right Click Menu
-                renderScriptContextMenu(entity, script);
+                renderScriptContextMenu(entity, script, index);
 
                 // Go through all fields and output them
                 auto fields = ReflectionUtilities::GetInstanceFields(script);
@@ -143,7 +146,7 @@ namespace SHADE
         }
         else
         {
-            renderScriptContextMenu(entity, script);
+            renderScriptContextMenu(entity, script, index);
         }
         SHEditorUI::PopID();
     }
@@ -336,7 +339,7 @@ namespace SHADE
         return false;
     }
 
-    void Editor::renderScriptContextMenu(Entity entity, Script^ script)
+    void Editor::renderScriptContextMenu(Entity entity, Script^ script, int scriptIndex)
     {
         // Right Click Menu
         if (SHEditorUI::BeginPopupContextItem("scriptContextMenu"))
@@ -345,6 +348,7 @@ namespace SHADE
             {
                 // Mark script for removal
                 ScriptStore::RemoveScript(entity, script);
+                registerUndoScriptRemoveAction(entity, script, scriptIndex);
             }
             SHEditorUI::EndPopup();
         }
@@ -392,6 +396,28 @@ namespace SHADE
         SHCommandManager::RegisterCommand(std::reinterpret_pointer_cast<SHBaseCommand>(std::make_shared<SHCLICommand>()));
     }
 
+    void Editor::registerUndoScriptAddAction(EntityID id, Script^ script)
+    {
+        if (script == nullptr)
+            return;
+
+        actionStack.Add(gcnew ScriptAddCommand(id, script));
+
+        // Inform the C++ Undo-Redo stack
+        SHCommandManager::RegisterCommand(std::reinterpret_pointer_cast<SHBaseCommand>(std::make_shared<SHCLICommand>()));
+    }
+
+    void Editor::registerUndoScriptRemoveAction(EntityID id, Script^ script, int originalIndex)
+    {
+        if (script == nullptr)
+            return;
+
+        actionStack.Add(gcnew ScriptRemoveCommand(id, script, originalIndex));
+
+        // Inform the C++ Undo-Redo stack
+        SHCommandManager::RegisterCommand(std::reinterpret_pointer_cast<SHBaseCommand>(std::make_shared<SHCLICommand>()));
+    }
+
     generic<typename Attribute>
     Attribute Editor::hasAttribute(System::Reflection::FieldInfo^ field)
     {

SHADE_Managed/src/Editor/Editor.hxx

@@ -69,7 +69,7 @@ namespace SHADE
         static UndoRedoStack actionStack;
 
         /*-----------------------------------------------------------------------------*/
-        /* Helper Functions                                                            */
+        /* Helper Functions - Inspector Rendering                                      */
         /*-----------------------------------------------------------------------------*/
         /// <summary>
         /// Renders a single specified Script's inspector.
@@ -170,25 +170,25 @@ namespace SHADE
         /// <returns>True if the field is modified.</returns>
         template<typename NativeType, typename ManagedType>
         static bool renderFieldEditorInternal(const std::string& fieldName, interior_ptr<ManagedType> managedValPtr, EditorFieldFunc<NativeType> fieldEditor, bool* isHovered, RangeAttribute^ rangeAttrib);
-
         /// <summary>
         /// Renders a context menu when right clicked for the scripts
         /// </summary>
         /// <param name="entity">The Entity to render the Scripts of.</param>
         /// <param name="script">The Script to render the inspector for.</param>
-        static void renderScriptContextMenu(Entity entity, Script^ script);
+        /// <param name="scriptIndex">Index at which the Script is stored.</param>
-        /// <summary>
+        static void renderScriptContextMenu(Entity entity, Script^ script, int scriptIndex);
-        /// Adds changes to a variable as an undo-able/redo-able action on the Undo-Redo
+        /*-----------------------------------------------------------------------------*/
-        /// stack.
+        /* Helper Functions - Undo                                                     */
-        /// </summary>
+        /*-----------------------------------------------------------------------------*/
-        /// <param name="object">The object that changes are applied to.</param>
-        /// <param name="field">The field that was changed.</param>
-        /// <param name="newData">New data to set.</param>
-        /// <param name="oldData">Data that was overriden.</param>
         static void registerUndoAction(System::Object^ object, System::Reflection::FieldInfo^ field, System::Object^ newData, System::Object^ oldData);
         static void registerUndoListChangeAction(System::Type^ type, System::Collections::IList^ list, int index, System::Object^ newData, System::Object^ oldData);
         static void registerUndoListAddAction(System::Type^ type, System::Collections::IList^ list, int index, System::Object^ data);
         static void registerUndoListRemoveAction(System::Type^ type, System::Collections::IList^ list, int index, System::Object^ data);
+        static void registerUndoScriptAddAction(EntityID id, Script^ script);
+        static void registerUndoScriptRemoveAction(EntityID id, Script^ script, int originalIndex);
+        /*-----------------------------------------------------------------------------*/
+        /* Helper Functions - Others                                                   */
+        /*-----------------------------------------------------------------------------*/
         /// <summary>
         /// Checks if a specific field has the specified attribute
         /// </summary>

SHADE_Managed/src/Editor/UndoRedoStack.cxx

@@ -21,6 +21,7 @@ of DigiPen Institute of Technology is prohibited.
 // Project Headers
 #include "Utility/Debug.hxx"
 #include "Utility/Convert.hxx"
+#include "Scripts/ScriptStore.hxx"
 
 namespace SHADE
 {
@@ -34,7 +35,8 @@ namespace SHADE
 
     bool UndoRedoStack::RedoActionPresent::get()
     {
-        return latestActionIndex >= 0 && latestActionIndex < commandStack->Count - 1;
+        const int REDO_ACTION_INDEX = latestActionIndex + 1;
+        return REDO_ACTION_INDEX >= 0 && REDO_ACTION_INDEX < commandStack->Count;
     }
     
     /*---------------------------------------------------------------------------------*/
@@ -70,7 +72,8 @@ namespace SHADE
         if (!RedoActionPresent)
             return;
         
-        ICommand^ cmd = commandStack[latestActionIndex];
+        const int REDO_ACTION_INDEX = latestActionIndex + 1;
+        ICommand^ cmd = commandStack[REDO_ACTION_INDEX];
         cmd->Execute();
         ++latestActionIndex;
     }
@@ -180,7 +183,7 @@ namespace SHADE
     }    
     
     /*---------------------------------------------------------------------------------*/
-    /* ListElementAddCommand - ICommand Functions                                      */
+    /* ListElementAddCommand - Constructor                                             */
     /*---------------------------------------------------------------------------------*/
     ListElementAddCommand::ListElementAddCommand(System::Collections::IList^ list, int addIndex, System::Object^ data)
     : list     { list     }
@@ -220,7 +223,7 @@ namespace SHADE
     }
 
     /*---------------------------------------------------------------------------------*/
-    /* ListElementRemoveCommand - ICommand Functions                                   */
+    /* ListElementRemoveCommand - Constructor                                          */
     /*---------------------------------------------------------------------------------*/
     ListElementRemoveCommand::ListElementRemoveCommand(System::Collections::IList^ list, int removeIndex, System::Object^ data)
     : list        { list        }
@@ -258,4 +261,59 @@ namespace SHADE
         // Not allowed
         return false;
     }
+    
+    /*---------------------------------------------------------------------------------*/
+    /* ScriptAddCommand - Constructor                                                  */
+    /*---------------------------------------------------------------------------------*/
+    ScriptAddCommand::ScriptAddCommand(EntityID id, Script^ script)
+    : entity      { id     }
+    , addedScript { script }
+    {}
+    
+    /*---------------------------------------------------------------------------------*/
+    /* ScriptAddCommand - ICommand Functions                                           */
+    /*---------------------------------------------------------------------------------*/
+    bool ScriptAddCommand::Execute()
+    {
+        return ScriptStore::AddScript(entity, addedScript) != nullptr;
+    }
+    
+    bool ScriptAddCommand::Unexceute()
+    {
+        return ScriptStore::RemoveScript(entity, addedScript);
+    }
+    
+    bool ScriptAddCommand::Merge(ICommand^)
+    {
+        // Not allowed
+        return false;
+    }
+    
+    /*---------------------------------------------------------------------------------*/
+    /* ScriptRemoveCommand - Constructor                                               */
+    /*---------------------------------------------------------------------------------*/
+    ScriptRemoveCommand::ScriptRemoveCommand(EntityID id, Script^ script, int index)
+    : entity        { id     }
+    , removedScript { script }
+    , originalIndex { index  }
+    {}
+    
+    /*---------------------------------------------------------------------------------*/
+    /* ScriptRemoveCommand - ICommand Functions                                        */
+    /*---------------------------------------------------------------------------------*/
+    bool ScriptRemoveCommand::Execute()
+    {
+        return ScriptStore::RemoveScript(entity, removedScript);
+    }
+    
+    bool ScriptRemoveCommand::Unexceute()
+    {
+        return ScriptStore::AddScript(entity, removedScript, originalIndex) != nullptr;
+    }
+    
+    bool ScriptRemoveCommand::Merge(ICommand^)
+    {
+        // Not allowed
+        return false;
+    }
 }

SHADE_Managed/src/Editor/UndoRedoStack.hxx

@@ -12,6 +12,7 @@ Reproduction or disclosure of this file or its contents without the prior writte
 of DigiPen Institute of Technology is prohibited.
 *//*************************************************************************************/
 #pragma once
+#include "Scripts/Script.hxx"
 
 namespace SHADE
 {
@@ -102,6 +103,35 @@ namespace SHADE
         System::Object^ data;
     };
 
+    private ref class ScriptAddCommand sealed : public ICommand
+    {
+      public:
+        ScriptAddCommand(EntityID id, Script^ script);
+
+        bool Execute() override;
+        bool Unexceute() override;
+        bool Merge(ICommand^ command) override;
+
+      private:
+        EntityID entity;
+        Script^  addedScript;
+    };
+
+    private ref class ScriptRemoveCommand sealed : public ICommand
+    {
+      public:
+        ScriptRemoveCommand(EntityID id, Script^ script, int index);
+
+        bool Execute() override;
+        bool Unexceute() override;
+        bool Merge(ICommand^ command) override;
+
+      private:
+        EntityID entity;
+        Script^  removedScript;
+        int      originalIndex;
+    };
+
     /// <summary>
     /// Class that is able to store a stack of actions that can be done and redone.
     /// </summary>

SHADE_Managed/src/Engine/GenericHandle.hxx

@@ -21,7 +21,7 @@ namespace SHADE
     /// <summary>
     /// Managed version of the generic Handle<void>.
     /// </summary>
-    public value struct GenericHandle
+    private value struct GenericHandle
     {
       public:
         /*-----------------------------------------------------------------------------*/

SHADE_Managed/src/Scripts/Script.cxx

@@ -93,6 +93,11 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     /* "All-time" Lifecycle Functions                                                  */
     /*---------------------------------------------------------------------------------*/
+    void Script::Initialize(GameObject newOwner)
+    {
+        owner = newOwner;
+    }
+
     void Script::OnAttached()
     {
         SAFE_NATIVE_CALL_BEGIN
@@ -198,9 +203,8 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     /* Constructors                                                                    */
     /*---------------------------------------------------------------------------------*/
-    Script::Script(GameObject gameObj)
+    Script::Script()
-    : owner { gameObj }
+    : OnGizmosDrawOverriden { false }
-    , OnGizmosDrawOverriden { false }
     {}
     
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Scripts/Script.hxx

@@ -165,7 +165,7 @@ namespace SHADE
 
       internal:
         /*-----------------------------------------------------------------------------*/
-        /* Properties                                                                  */
+        /* Fields                                                                      */
         /*-----------------------------------------------------------------------------*/
         /// <summary>
         /// If true, the OnGizmosDraw function was overridden.
@@ -176,6 +176,10 @@ namespace SHADE
         /* "All-Time" Lifecycle Functions                                              */
         /*-----------------------------------------------------------------------------*/
         /// <summary>
+        /// Used to initialize a Script with a GameObject.
+        /// </summary>
+        void Initialize(GameObject newOwner);
+        /// <summary>
         /// Used to call onAttached(). This is called immediately when this script is
         /// attached to a GameObject.
         /// </summary>
@@ -272,13 +276,9 @@ namespace SHADE
         /* Constructors                                                                */
         /*-----------------------------------------------------------------------------*/
         /// <summary>
-        /// Constructor for Script to tie it to a specific GameObject.
+        /// Default Constructor
-        /// Constructors of derived Scripts should call this Constructor.
         /// </summary>
-        /// <param name="gameObj">
+        Script();
-        /// GameObject that this Script will be tied to.
-        /// </param>
-        Script(GameObject gameObj);
         
         /*-----------------------------------------------------------------------------*/
         /* Virtual "All-Time" Lifecycle Functions                                      */

SHADE_Managed/src/Scripts/ScriptStore.cxx

@@ -39,6 +39,19 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     generic<typename T>
     T ScriptStore::AddScript(Entity entity)
+    {
+        // Create the script and add it in        
+        Script^ script = safe_cast<Script^>(System::Activator::CreateInstance(T::typeid));
+
+        return safe_cast<T>(AddScript(entity, script));
+    }
+
+    Script^ ScriptStore::AddScript(Entity entity, Script^ script)
+    {
+        return AddScript(entity, script, System::Int32::MaxValue);
+    }
+
+    Script^ ScriptStore::AddScript(Entity entity, Script^ script, int index)
     {
         // Check if entity exists
         if (!EntityUtils::IsValid(entity))
@@ -58,15 +71,22 @@ namespace SHADE
             entityScriptList = scripts[entity];
         }
 
-        // Create the script and add it in        
+        // Add the script in
-        array<Object^>^ params = gcnew array<Object^>{GameObject(entity)};
+        script->Initialize(GameObject(entity));
-        Script^ script = safe_cast<Script^>(System::Activator::CreateInstance(T::typeid, params));
+        entityScriptList->Insert(System::Math::Clamp(index, 0, entityScriptList->Count), script);
-        entityScriptList->Add(script);
+        if (Application::IsPlaying)
+        {
+            script->Awake();
+            script->Start();
+        }
+        else
+        {
             awakeList.Add(script);
             startList.Add(script);
+        }
         script->OnAttached();
 
-        return safe_cast<T>(script);
+        return script;
     }
 
     bool ScriptStore::AddScriptViaName(Entity entity, System::String^ scriptName)
@@ -111,6 +131,7 @@ namespace SHADE
             std::ostringstream oss;
             oss << "[ScriptStore] Failed to add Script named \"" << Convert::ToNative(scriptName)
                 << "\" to Entity #" << entity << "! (" << Convert::ToNative(e->GetType()->Name) << ")";
+            oss << Convert::ToNative(e->ToString());
             Debug::LogError(oss.str());
             return false;
         }
@@ -365,7 +386,10 @@ namespace SHADE
             }
         }
         startList.Clear();
-        startList.AddRange(%inactiveStartList);
+        for each (Script ^ script in startList)
+        {
+            startList.Add(script);
+        }
         inactiveStartList.Clear();
 
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -374,9 +398,8 @@ namespace SHADE
     {
         SAFE_NATIVE_CALL_BEGIN
         // Clear the queue
-        while (disposalQueue.Count > 0)
+        for each (Script^ script in disposalQueue)
-        {
+        {;            
-            Script^ script = disposalQueue.Dequeue();            
             if (Application::IsPlaying)
             {
                 script->OnDestroy();
@@ -389,6 +412,7 @@ namespace SHADE
                 scripts.Remove(entity);
             }
         }
+        disposalQueue.Clear();
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     void ScriptStore::Exit()
@@ -437,9 +461,10 @@ namespace SHADE
                 continue;
 
             // Update each script
-            for each (Script^ script in entity.Value)
+            ScriptList^ scripts = entity.Value;
+            for (int i = 0; i < scripts->Count; ++i)
             {
-                script->FixedUpdate();
+                scripts[i]->FixedUpdate();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -454,9 +479,10 @@ namespace SHADE
                 continue;
 
             // Update each script
-            for each (Script^ script in entity.Value)
+            ScriptList^ scripts = entity.Value;
+            for (int i = 0; i < scripts->Count; ++i)
             {
-                script->Update();
+                scripts[i]->Update();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -471,9 +497,10 @@ namespace SHADE
                 continue;
 
             // Update each script
-            for each (Script^ script in entity.Value)
+            ScriptList^ scripts = entity.Value;
+            for (int i = 0; i < scripts->Count; ++i)
             {
-                script->LateUpdate();
+                scripts[i]->LateUpdate();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -489,9 +516,10 @@ namespace SHADE
                 continue;
 
             // Update each script
-            for each (Script^ script in entity.Value)
+            ScriptList^ scripts = entity.Value;
+            for (int i = 0; i < scripts->Count; ++i)
             {
-                script->OnDrawGizmos();
+                scripts[i]->OnDrawGizmos();
             }
         }
         SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
@@ -523,8 +551,9 @@ namespace SHADE
                 auto entityScripts = scripts[entity.first];
                 if (entityScripts->Count > 0)
                 {
-                    for each (Script ^ script in entityScripts)
+                    for (int i = 0; i < entityScripts->Count; ++i)
                     {
+                        Script^ script = entityScripts[i];
                         switch (collisionInfo.GetCollisionState())
                         {
                             case SHCollisionInfo::State::ENTER:
@@ -564,8 +593,9 @@ namespace SHADE
                 auto entityScripts = scripts[entity.first];
                 if (entityScripts->Count > 0)
                 {
-                    for each (Script ^ script in entityScripts)
+                    for (int i = 0; i < entityScripts->Count; ++i)
                     {
+                        Script^ script = entityScripts[i];
                         switch (triggerInfo.GetCollisionState())
                         {
                             case SHCollisionInfo::State::ENTER:
@@ -678,9 +708,9 @@ namespace SHADE
     void ScriptStore::removeScript(Script^ script)
     {
         // Prepare for disposal
-        disposalQueue.Enqueue(script);
+        disposalQueue.Add(script);
 
-        // Also remove it fromm awake and start queues if they were created but not initialised
+        // Also remove it from awake and start queues if they were created but not initialised
         awakeList.Remove(script);
         startList.Remove(script);
         script->OnDetached();
@@ -750,7 +780,8 @@ namespace SHADE
 
     void ScriptStore::getGenericMethods()
     {
-        addScriptMethod = ScriptStore::typeid->GetMethod("AddScript");
+        array<System::Type^>^ paramTypes = gcnew array<System::Type^>{ Entity::typeid };
+        addScriptMethod = ScriptStore::typeid->GetMethod("AddScript", paramTypes);
         if  (addScriptMethod == nullptr)
         {
             Debug::LogError("[ScriptStore] Failed to get MethodInfo of \"AddScript<T>()\". Adding of scripts from native code will fail.");

SHADE_Managed/src/Scripts/ScriptStore.hxx

@@ -25,7 +25,7 @@ namespace SHADE
     /// Responsible for managing all scripts attached to Entities as well as executing 
     /// all lifecycle functions of scripts.
     /// </summary>
-    public ref class ScriptStore abstract sealed
+    private ref class ScriptStore abstract sealed
     {
       public:
         /*-----------------------------------------------------------------------------*/
@@ -46,6 +46,27 @@ namespace SHADE
         generic<typename T> where T : ref class, Script
         static T AddScript(Entity entity);
         /// <summary>
+        /// Adds a specified pre-constructed Script to a specified Entity.
+        /// </summary>
+        /// <param name="entity">The entity to add a script to.</param>
+        /// <param name="script">The pre-constructed Script to add.</param>
+        /// <returns>Reference to the script added.</returns>
+        /// <exception cref="ArgumentException">
+        /// If the specified Entity is invalid.
+        /// </exception>
+        static Script^ AddScript(Entity entity, Script^ script);
+        /// <summary>
+        /// Adds a specified pre-constructed Script to a specified Entity.
+        /// </summary>
+        /// <param name="entity">The entity to add a script to.</param>
+        /// <param name="script">The pre-constructed Script to add.</param>
+        /// <param name="index">Location in the script list to add.</param>
+        /// <returns>Reference to the script added.</returns>
+        /// <exception cref="ArgumentException">
+        /// If the specified Entity is invalid.
+        /// </exception>
+        static Script^ AddScript(Entity entity, Script^ script, int index);
+        /// <summary>
         /// Adds a Script to a specified Entity.
         /// <br/>
         /// This function is meant for consumption from native code. If you are writing
@@ -281,16 +302,16 @@ namespace SHADE
         /*-----------------------------------------------------------------------------*/
         using ScriptList       = System::Collections::Generic::List<Script^>;
         using ScriptDictionary = System::Collections::Generic::Dictionary<Entity, ScriptList^>;
-        using ScriptQueue      = System::Collections::Generic::Queue<Script^>;
+        using ScriptSet        = System::Collections::Generic::HashSet<Script^>;
 
         /*-----------------------------------------------------------------------------*/
         /* Static Data Members                                                         */
         /*-----------------------------------------------------------------------------*/
         static ScriptDictionary                                          scripts;
-        static ScriptList                                                awakeList;
+        static ScriptSet                                                 awakeList;
-        static ScriptList                                                startList;
+        static ScriptSet                                                 startList;
-        static ScriptList                                                inactiveStartList;
+        static ScriptSet                                                 inactiveStartList;
-        static ScriptQueue                                               disposalQueue;
+        static ScriptSet                                                 disposalQueue;
         static System::Collections::Generic::IEnumerable<System::Type^>^ scriptTypeList;
         static System::Reflection::MethodInfo^                           addScriptMethod;
 

SHADE_Managed/src/Serialisation/SerialisationUtilities.h++

@@ -28,7 +28,6 @@ namespace SHADE
     template<typename FieldType>
     bool SerialisationUtilities::fieldInsertYaml(System::Reflection::FieldInfo^ fieldInfo, System::Object^ object, YAML::Node& fieldNode)
     {
-        Debug::Log(FieldType::typeid->Name);
         return varInsertYamlInternal<FieldType>(fieldInfo->GetValue(object), fieldNode);
     }
     template<typename FieldType>
@@ -123,16 +122,6 @@ namespace SHADE
                 return true;
             }
         }
-        else if constexpr (std::is_same_v<FieldType, System::Collections::IList>)
-        {
-            if (ReflectionUtilities::FieldIsList(fieldInfo))
-            {
-                System::Collections::IList^ iList = safe_cast<System::Collections::IList^>(object);
-                object = gcnew 
-                if (node.IsSequence() )
-
-            }
-        }
         else
         {
             if (object->GetType() == FieldType::typeid)