Assets/Editor/Editor.SHConfig

@@ -1,4 +0,0 @@
-Start Maximized: true
-Working Scene ID: 97158628
-Window Size: {x: 1920, y: 1013}
-Style: 0

Assets/Prefabs/====Raccoon====.shprefab

@@ -0,0 +1,147 @@
+- EID: 0
+  PrefabID: 117058283
+  Name: ====Raccoon====
+  IsActive: true
+  NumberOfChildren: 2
+  Components: ~
+  Scripts: ~
+- EID: 1
+  Name: Player
+  IsActive: true
+  NumberOfChildren: 3
+  Components:
+    Transform Component:
+      Translate: {x: 2.35245037, y: 0.38365531, z: 7.10571432}
+      Rotate: {x: -0, y: 0, z: -0}
+      Scale: {x: 0.999999881, y: 1, z: 0.999999881}
+      IsActive: true
+    Renderable Component:
+      Mesh: 149697411
+      Material: 126974645
+      IsActive: true
+    RigidBody Component:
+      Type: Dynamic
+      Drag: 0.00999999978
+      Angular Drag: 0.100000001
+      Use Gravity: false
+      Interpolate: false
+      Sleeping Enabled: true
+      Freeze Position X: false
+      Freeze Position Y: true
+      Freeze Position Z: false
+      Freeze Rotation X: true
+      Freeze Rotation Y: true
+      Freeze Rotation Z: true
+      IsActive: true
+    Collider Component:
+      Colliders:
+        - Is Trigger: false
+          Collision Tag: 0
+          Type: Box
+          Half Extents: {x: 0.400000006, y: 0.5, z: 0.300000012}
+          Friction: 0.400000006
+          Bounciness: 0
+          Density: 1
+          Position Offset: {x: 0, y: 0.25, z: 0}
+          Rotation Offset: {x: 0, y: 0, z: 0}
+      IsActive: true
+  Scripts:
+    - Type: PlayerController
+      Enabled: true
+      respawnPoint: 239
+      currentState: 0
+      maxMoveVel: 3
+      moveForce: 50
+      sprintMultiplier: 1.5
+      rotationFactorPerFrame: 5
+      maxJumpHeight: 2
+      maxJumpTime: 0.75
+      fallMultipler: 3
+      lightMultiper: 0.899999976
+      mediumMultiper: 0.699999988
+      heavyMultiper: 0.5
+    - Type: PickAndThrow
+      Enabled: true
+      throwForce: [10, 8, 10]
+      cameraArmOffSet: [0.25, 0.600000024, 0.200000003]
+      delayTimer: 1
+      aimingLength: 1
+      throwItem: false
+      rayDistance: 0.75
+      rayHeight: 0.100000001
+- EID: 2
+  Name: HoldingPoint
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: 0.899999976, z: 0.200000286}
+      Rotate: {x: 0, y: 0, z: -0}
+      Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
+  Scripts: ~
+- EID: 3
+  Name: PlayerCamera
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: -5.96046448e-08, z: 0}
+      Rotate: {x: 0, y: 6.28318548, z: 2.23517329e-08}
+      Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
+    Camera Component:
+      Position: {x: 2.12735963, y: 0.362327784, z: 7.98933029}
+      Pitch: 0
+      Yaw: 360
+      Roll: 1.28065994e-06
+      Width: 2560
+      Near: 0.00999999978
+      Far: 10000
+      Perspective: true
+      FOV: 45
+      IsActive: true
+    Camera Arm Component:
+      Arm Pitch: 0
+      Arm Yaw: 0
+      Arm Length: 3
+      Look At Camera Origin: true
+      Target Offset: {x: 0, y: 0.75, z: 0}
+      Camera Collision: true
+      IsActive: true
+  Scripts:
+    - Type: SHADE_Scripting.ThirdPersonCamera
+      Enabled: true
+      armLength: 3
+      turnSpeedPitch: 0.200000003
+      turnSpeedYaw: 0.400000006
+      pitchClamp: 45
+      inverseXControls: false
+      inverseYControls: false
+      lowerClamp: 5
+- EID: 4
+  Name: PlayerBag
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: -2.98023224e-08, z: 4.76837158e-07}
+      Rotate: {x: 0, y: 0, z: -0}
+      Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
+    Renderable Component:
+      Mesh: 144838771
+      Material: 123745521
+      IsActive: true
+  Scripts: ~
+- EID: 5
+  Name: RespawnPoint
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 2.5, y: 0.660660267, z: 7}
+      Rotate: {x: 0, y: 0, z: 0}
+      Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
+  Scripts: ~

Assets/Prefabs/====Raccoon====.shprefab.shmeta

@@ -0,0 +1,3 @@
+Name: ====Raccoon====
+ID: 117058283
+Type: 6

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

@@ -19,6 +19,10 @@
 #include "Tools/Utilities/SHStringUtilities.h"
 #include <filesystem>
 #include <rttr/type>
+#include "Assets/Asset Types/SHPrefabAsset.h"
+#include "Serialization/SHSerialization.h"
+#include <Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.h>
+#include "Serialization/Prefab/SHPrefabManager.h"
 
 namespace SHADE
 {
@@ -247,6 +251,7 @@ namespace SHADE
       const ImRect childRect = DrawAsset(file.assetMeta, file.ext);
       return childRect;
     }
+    return ImRect(ImGui::GetItemRectMin(), ImGui::GetItemRectMax());
   }
 
   ImRect SHAssetBrowser::DrawAsset(SHAsset const* const asset, FileExt const& ext /*= ""*/) noexcept
@@ -365,6 +370,35 @@ namespace SHADE
       }
     }
 
+    if(ImGui::BeginPopupContextItem())
+    {
+      switch (asset->type)
+      {
+      case AssetType::INVALID: break;
+      case AssetType::SHADER:  break;
+      case AssetType::SHADER_BUILT_IN: break;
+      case AssetType::TEXTURE:  break;
+      case AssetType::MESH:  break;
+      case AssetType::SCENE:
+        break;
+      case AssetType::PREFAB:  
+      {
+        if(ImGui::Selectable("Insert into scene"))
+        {
+          auto createdEntitiesList = SHSerialization::DeserializeEntitiesFromString(SHAssetManager::GetData<SHPrefabAsset>(asset->id)->data);
+          SHEditorWindowManager::GetEditorWindow<SHHierarchyPanel>()->SetScrollTo(createdEntitiesList.begin()->second);
+          SHPrefabManager::AddEntity(asset->id, createdEntitiesList.begin()->second);
+        }
+      }
+        break;
+      case AssetType::MATERIAL: break;
+      case AssetType::SCRIPT: break;
+      case AssetType::MAX_COUNT: break;
+      default:;
+      }
+      ImGui::EndPopup();
+    }
+
     if (ImGui::IsItemHovered())
     {
       ImGui::BeginTooltip();

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

@@ -26,6 +26,9 @@
 #include "Serialization/SHSerialization.h"
 #include "Tools/Utilities/SHClipboardUtilities.h"
 #include "Tools/Utilities/SHStringUtilities.h"
+#include "Serialization/Prefab/SHPrefabManager.h"
+#include "../SHEditorWindowManager.h"
+#include "../AssetBrowser/SHAssetBrowser.h"
 
 
 namespace SHADE
@@ -315,7 +318,7 @@ namespace SHADE
 
     const ImGuiTreeNodeFlags nodeFlags = ((isSelected) ? ImGuiTreeNodeFlags_Selected : 0) | ((children.empty()) ? ImGuiTreeNodeFlags_Leaf : ImGuiTreeNodeFlags_OpenOnArrow);
     //Draw Node
-    bool isNodeOpen = ImGui::TreeNodeEx(reinterpret_cast<void*>(eid), nodeFlags, "%u: %s", SHEntityManager::GetEntityIndex(eid), entity->name.c_str());
+    bool isNodeOpen = ImGui::TreeNodeEx((void*)(eid), nodeFlags, "%u: %s", SHEntityManager::GetEntityIndex(eid), entity->name.c_str());
 
     if(!filter.empty())
     {
@@ -388,6 +391,11 @@ namespace SHADE
         //SHEntityManager::DestroyEntity(eid);
         DeleteSelectedEntities();
       }
+      if(ImGui::Selectable("Save entity as Prefab"))
+      {
+        SHPrefabManager::SaveEntityAsPrefab(eid);
+        SHEditorWindowManager::GetEditorWindow<SHAssetBrowser>()->QueueRefresh();
+      }
 
       if ((currentNode->GetParent() != sceneGraph.GetRoot()) && ImGui::Selectable(std::format("{} Unparent Selected", ICON_MD_NORTH_WEST).data()))
       {

SHADE_Engine/src/Serialization/Prefab/SHPrefabManager.cpp

@@ -1,13 +1,29 @@
 #include "SHpch.h"
 #include "SHPrefabManager.h"
+#include "ECS_Base/Managers/SHEntityManager.h"
+#include "Assets/SHAssetManager.h"
+#include "Assets/Asset Types/SHPrefabAsset.h"
+#include "Serialization/SHSerialization.h"
 
 namespace SHADE
 {
   SHPrefabManager::PrefabMap SHPrefabManager::prefabMap{};
 
+  AssetID SHPrefabManager::GetPrefabAssetID(EntityID eid) noexcept
+  {
+    for(auto const& [assetId, entityList] : prefabMap)
+    {
+       if(std::ranges::find(entityList, eid) != entityList.end())
+       {
+         return assetId;
+       }
+    }
+    return 0;
+  }
+
   void SHPrefabManager::AddPrefab(AssetID const& prefabAssetID) noexcept
   {
-    prefabMap.insert({ prefabAssetID, {} });
+    prefabMap[prefabAssetID] = {};
   }
 
   void SHPrefabManager::RemovePrefab(AssetID const& prefabAssetID) noexcept
@@ -30,20 +46,30 @@ namespace SHADE
 
   void SHPrefabManager::AddEntity(AssetID const& prefabAssetID, EntityID const& eid) noexcept
   {
-    if (prefabMap.contains(prefabAssetID))
+
-    {
+     prefabMap[prefabAssetID].push_back(eid);
-      prefabMap[prefabAssetID].insert(eid);
+    
-    }
   }
 
   void SHPrefabManager::RemoveEntity(AssetID const& prefabAssetID, EntityID const& eid) noexcept
   {
     if (prefabMap.contains(prefabAssetID))
     {
-      prefabMap[prefabAssetID].erase(eid);
+      (void)std::ranges::remove(prefabMap[prefabAssetID], eid);
     }
   }
 
+  void SHPrefabManager::SaveEntityAsPrefab(EntityID const& eid) noexcept
+  {
+    SHEntity* const entity = SHEntityManager::GetEntityByID(eid);
+    AssetID const assetID = SHAssetManager::CreateNewAsset(AssetType::PREFAB, entity->name);
+    AddEntity(assetID, eid);
+    auto assetData = SHAssetManager::GetData<SHPrefabAsset>(assetID);
+    assetData->data = SHSerialization::SerializeEntityToString(eid);
+
+    SHAssetManager::SaveAsset(assetID);
+  }
+
   void SHPrefabManager::Clear() noexcept
   {
     prefabMap.clear();

SHADE_Engine/src/Serialization/Prefab/SHPrefabManager.h

@@ -2,7 +2,8 @@
 
 #include "Assets/SHAssetMacros.h"
 #include "ECS_Base/SHECSMacros.h"
-#include <unordered_set>
+#include "ECS_Base/General/SHFamily.h"
+#include "ECS_Base/Components/SHComponent.h"
 #include <unordered_map>
 
 
@@ -11,18 +12,34 @@ namespace SHADE
   class SHPrefabManager
   {
   public:
-    using PrefabMap = std::unordered_map<AssetID, std::unordered_set<EntityID>>;
     
+    enum class PrefabEntityComponentStatus : uint8_t
+    {
+      PES_UNCHANGED = 0,
+      PES_MODIFIED,
+      PES_ADDED,
+      PES_REMOVED
+    };
+
+    using PrefabMap = std::unordered_map<AssetID, std::vector<EntityID>>;
+    using PrefabEntitiesComponentStatusData = std::unordered_map<EntityID, std::unordered_map<SHFamilyID<SHComponent>,PrefabEntityComponentStatus>>;
+
+    static AssetID GetPrefabAssetID(EntityID eid) noexcept;
     static void AddPrefab(AssetID const& prefabAssetID) noexcept;
     static void RemovePrefab(AssetID const& prefabAssetID) noexcept;
     static void ClearPrefab(AssetID const& prefabAssetID) noexcept;
     static void UpdateAllPrefabEntities(AssetID const& prefabAssetID) noexcept;
     static void AddEntity(AssetID const& prefabAssetID, EntityID const& eid) noexcept;
     static void RemoveEntity(AssetID const& prefabAssetID, EntityID const& eid) noexcept;
+    static void SaveEntityAsPrefab(EntityID const& eid) noexcept;
     static void Clear() noexcept;
     static bool Empty() noexcept;
 
   private:
     static PrefabMap prefabMap;
+    static PrefabEntitiesComponentStatusData prefabEntitiesComponentStatusData;
+
+    friend class SHSerialization;
+    friend struct SHSerializationHelper;
   };
 }

SHADE_Engine/src/Serialization/SHSerialization.cpp

@@ -15,6 +15,7 @@
 #include "ECS_Base/Managers/SHSystemManager.h"
 #include "Scripting/SHScriptEngine.h"
 #include "Tools/FileIO/SHFileIO.h"
+#include "Prefab/SHPrefabManager.h"
 
 namespace SHADE
 {
@@ -23,7 +24,7 @@ namespace SHADE
     auto assetData = SHAssetManager::GetData<SHSceneAsset>(sceneAssetID);
     if(!assetData)
     {
-      SHLOG_ERROR("Asset does not exist: {}", sceneAssetID);
+      SHLOG_ERROR("Serialization: Asset does not exist: {}", sceneAssetID);
       return false;
     }
     YAML::Emitter out;
@@ -45,7 +46,7 @@ namespace SHADE
     auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
     auto root = sceneGraph.GetRoot();
 
-    SHASSERT(root != nullptr, "Root is null. Failed to serialize scene to node.");
+    SHASSERT(root != nullptr, "Serialization: Root is null. Failed to serialize scene to node.");
 
     auto const& children = root->GetChildren();
     out << YAML::BeginSeq;
@@ -62,6 +63,7 @@ namespace SHADE
     EntityID eid{MAX_EID}, oldEID{MAX_EID};
     if (!node)
       return eid;
+
     if (node[EIDNode])
       oldEID = eid = node[EIDNode].as<EntityID>();
     std::string name = "UnnamedEntitiy";
@@ -105,7 +107,7 @@ namespace SHADE
     auto assetData = SHAssetManager::GetData<SHSceneAsset>(sceneAssetID);
     if(!assetData)
     {
-      SHLOG_ERROR("Attempted to load scene that doesn't exist {}", sceneAssetID)
+      SHLOG_ERROR("Serialization: Attempted to load scene that doesn't exist {}", sceneAssetID)
       SHSceneManager::SetCurrentSceneAssetID(0);
       return NewSceneName.data();
     }
@@ -119,7 +121,7 @@ namespace SHADE
     }
     if (createdEntities.empty())
     {
-      SHLOG_ERROR("Failed to create entities from deserializaiton")
+      SHLOG_ERROR("Serialization: Failed to create entities from deserialization")
         return NewSceneName.data();
     }
     auto entityVecIt = createdEntities.begin();
@@ -139,13 +141,16 @@ namespace SHADE
     return assetData->name;
   } 
 
-  void SHSerialization::EmitEntity(SHSceneNode* entityNode, YAML::Emitter& out)
+  void SHSerialization::EmitEntity(SHSceneNode* entityNode, YAML::Emitter& out, bool isPrefab /*= false*/, EntityID* entityIndex /*= nullptr*/)
   {
-    out << SerializeEntityToNode(entityNode);
+    out << SerializeEntityToNode(entityNode, isPrefab, entityIndex);
+    if(isPrefab)
+      ++(*entityIndex);
+
     auto const& children = entityNode->GetChildren();
     for (auto const& child : children)
     {
-      EmitEntity(child, out);
+      EmitEntity(child, out, isPrefab, entityIndex);
     }
   }
 
@@ -155,6 +160,7 @@ namespace SHADE
     YAML::Node node;
     auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
     out << YAML::BeginSeq;
+    EntityID entityIndex = 0;
     for (auto const& eid : entities)
     {
       auto entityNode = sceneGraph.GetNode(eid);
@@ -164,6 +170,21 @@ namespace SHADE
     return std::string(out.c_str());
   }
 
+  std::string SHSerialization::SerializeEntityToString(EntityID eid) noexcept
+  {
+    YAML::Emitter out;
+    YAML::Node node;
+    auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
+    out << YAML::BeginSeq;
+    EntityID entityIndex = 0;
+    
+    auto entityNode = sceneGraph.GetNode(eid);
+    EmitEntity(entityNode, out, true, &entityIndex);
+    
+    out << YAML::EndSeq;
+    return std::string(out.c_str());
+  }
+
   //void SHSerialization::SerializeEntityToFile(std::filesystem::path const& path)
   //{
   //}
@@ -179,8 +200,11 @@ namespace SHADE
      }
    }
 
-  YAML::Node SHSerialization::SerializeEntityToNode(SHSceneNode* sceneNode)
+  YAML::Node SHSerialization::SerializeEntityToNode(SHSceneNode* sceneNode, bool isPrefab /*= false*/, EntityID* entityIndex /*= nullptr*/)
   {
+    if(!sceneNode)
+      return YAML::Node();
+
     YAML::Node node;
     auto eid = sceneNode->GetEntityID();
     auto entity = SHEntityManager::GetEntityByID(eid);
@@ -190,7 +214,15 @@ namespace SHADE
       return node;
     }
     node.SetStyle(YAML::EmitterStyle::Block);
-    node[EIDNode] = eid;
+
+    node[EIDNode] = (entityIndex) ? *entityIndex : eid;
+
+    AssetID prefabAssetID = SHPrefabManager::GetPrefabAssetID(eid);
+    if(prefabAssetID != 0)
+    {
+      node[PrefabID] = prefabAssetID;
+    }
+
     node[EntityNameNode] = entity->name;
     node[IsActiveNode] = sceneNode->IsActive();
     auto const& children = sceneNode->GetChildren();
@@ -236,7 +268,7 @@ namespace SHADE
     }
     if (createdEntities.empty())
     {
-      SHLOG_ERROR("Failed to create entities from deserializaiton")
+      SHLOG_ERROR("Failed to create entities from deserialization")
         return createdEntities;
     }
     //auto entityVecIt = createdEntities.begin();

SHADE_Engine/src/Serialization/SHSerialization.h

@@ -24,6 +24,7 @@ namespace SHADE
   constexpr const char* IsActiveNode = "IsActive";
   constexpr const char* NumberOfChildrenNode = "NumberOfChildren";
   constexpr const char* ScriptsNode = "Scripts";
+  constexpr const char* PrefabID = "PrefabID";
 
   class SH_API SHSerialization
   {
@@ -37,12 +38,13 @@ namespace SHADE
 
     static std::string DeserializeSceneFromFile(AssetID const& sceneAssetID) noexcept;
     
-    
+    static void EmitEntity(SHSceneNode* entityNode, YAML::Emitter& out, bool isPrefab = false, EntityID* entityIndex = nullptr);
-    static void EmitEntity(SHSceneNode* entityNode, YAML::Emitter& out);
 
     static std::string SerializeEntitiesToString(std::vector<EntityID> const& entities) noexcept;
+    
+    static std::string SerializeEntityToString(EntityID eid) noexcept;
     //static void SerializeEntityToFile(std::filesystem::path const& path);
-    static YAML::Node SerializeEntityToNode(SHSceneNode* sceneNode);
+    static YAML::Node SerializeEntityToNode(SHSceneNode* sceneNode, bool isPrefab = false, EntityID* entityIndex = nullptr);
 
     static CreatedEntitiesList DeserializeEntitiesFromString(std::string const& data, EntityID const& parentEID = MAX_EID) noexcept;
 

SHADE_Engine/src/Serialization/SHSerializationHelper.hpp

@@ -135,6 +135,7 @@ namespace SHADE
 
         }
       }
+      return YAML::Node();
     }
 
     template <typename Type>