Merge branch 'main' into SP3-12-SceneGraph

Assets/Shaders/DeferredComposite_CS.shshaderb.shmeta

@@ -1,3 +1,3 @@
 Name: DeferredComposite_CS
-ID: 42814284
+ID: 45072428
 Type: 2

Assets/Shaders/TestCube_FS.shshaderb.shmeta

@@ -1,3 +1,3 @@
 Name: TestCube_FS
-ID: 37450402
+ID: 46377769
 Type: 2

Assets/Shaders/TestCube_VS.shshaderb.shmeta

@@ -1,3 +1,3 @@
 Name: TestCube_VS
-ID: 41688429
+ID: 39210065
 Type: 2

SHADE_Application/src/Application/SBApplication.cpp

@@ -108,13 +108,10 @@ namespace Sandbox
     SHComponentManager::CreateComponentSparseSet<SHColliderComponent>();
     SHComponentManager::CreateComponentSparseSet<SHTransformComponent>();
     SHComponentManager::CreateComponentSparseSet<SHRenderable>();
-    SHComponentManager::CreateComponentSparseSet<SHCameraComponent>();
+    //SHComponentManager::CreateComponentSparseSet<SHCameraComponent>();
 
     SHAssetManager::Load();
 
-    auto id = SHFamilyID<SHSystem>::GetID<SHGraphicsSystem>();
-    auto id2 = SHFamilyID<SHSystem>::GetID<SHGraphicsSystem>();
-    auto id3 = SHFamilyID<SHSystem>::GetID<SHGraphicsSystem>();
     
     SHSystemManager::RegisterRoutine<SHAudioSystem, SHAudioSystem::AudioRoutine>();
 

SHADE_Application/src/Scenes/SBTestScene.cpp

@@ -128,7 +128,6 @@ namespace Sandbox
     floorRigidBody.SetType(SHRigidBodyComponent::Type::STATIC);
 
     auto* floorBox = floorCollider.AddBoundingBox();
-    floorBox->SetHalfExtents(floorTransform.GetWorldScale() * 0.5f);
 
     // Create blank entity with a script
     //testObj = SHADE::SHEntityManager::CreateEntity<SHRenderable, SHTransformComponent>();

SHADE_Engine/src/Assets/Asset Types/SHShaderAsset.h

@@ -10,6 +10,7 @@
  *****************************************************************************/
 #pragma once
 
+#include <vulkan/vulkan.hpp>
 #include "SHAssetData.h"
 #include "SH_API.h"
 #include <vector>
@@ -17,12 +18,14 @@
 
 namespace SHADE
 {
+  //! Tighter control over types of shaders. Maps directly to their
+  //! equivalent vk::ShaderStageFlagBits.
   enum class SH_SHADER_TYPE : uint8_t
   {
-    VERTEX,
-    FRAGMENT,
-    COMPUTE,
-    INAVLID_TYPE
+    VERTEX       = static_cast<uint8_t>(vk::ShaderStageFlagBits::eVertex),
+    FRAGMENT     = static_cast<uint8_t>(vk::ShaderStageFlagBits::eFragment),
+    COMPUTE      = static_cast<uint8_t>(vk::ShaderStageFlagBits::eCompute),
+    INAVLID_TYPE = std::numeric_limits<uint8_t>::max()
   };
 
   struct SH_API SHShaderAsset : SHAssetData

SHADE_Engine/src/Assets/Libraries/Compilers/SHShaderSourceCompiler.cpp

@@ -99,11 +99,12 @@ namespace SHADE
 
   SH_SHADER_TYPE SHShaderSourceCompiler::GetShaderTypeFromFilename(std::string name) noexcept
   {
-		for (auto i { 0}; i < SHADER_TYPE_MAX_COUNT; ++i)
+    for (auto i { 0 }; i < SHADER_TYPE_MAX_COUNT; ++i)
     {
-			if (name.find(SHADER_IDENTIFIERS[i].data()) != std::string::npos)
+      const auto& [SHADER_SUFFIX, SHADER_TYPE] = SHADER_IDENTIFIERS[i];
+      if (name.find(SHADER_SUFFIX.data()) != std::string::npos)
       {
-				return static_cast<SH_SHADER_TYPE>(i);
+        return SHADER_TYPE;
       }
     }
 

SHADE_Engine/src/Assets/Libraries/Loaders/SHTextBasedLoader.h

@@ -11,6 +11,10 @@
 #pragma once
 #include "SHAssetLoader.h"
 
+#include "Assets/Asset Types/SHPrefabAsset.h"
+#include "Assets/Asset Types/SHSceneAsset.h"
+#include "Assets/Asset Types/SHMaterialAsset.h"
+
 namespace SHADE
 {
 	struct SHTextBasedLoader : SHAssetLoader

SHADE_Engine/src/Assets/SHAssetMacros.h

@@ -13,6 +13,7 @@
 #include <cstdint>
 #include <string>
 #include <filesystem>
+#include "Asset Types/SHShaderAsset.h"
 
 // FMOD Fwd Declare
 namespace FMOD
@@ -113,10 +114,10 @@ constexpr std::string_view VERTEX_SHADER{ "_VS" };
 constexpr std::string_view FRAGMENT_SHADER{ "_FS" };
 constexpr std::string_view COMPUTER_SHADER{ "_CS" };
 
-constexpr std::string_view SHADER_IDENTIFIERS[] = {
-	VERTEX_SHADER,
-	FRAGMENT_SHADER,
-	COMPUTER_SHADER
+constexpr std::pair<std::string_view, SHADE::SH_SHADER_TYPE> SHADER_IDENTIFIERS[] = {
+	std::make_pair(VERTEX_SHADER, SHADE::SH_SHADER_TYPE::VERTEX),
+	std::make_pair(FRAGMENT_SHADER, SHADE::SH_SHADER_TYPE::FRAGMENT),
+	std::make_pair(COMPUTER_SHADER, SHADE::SH_SHADER_TYPE::COMPUTE)
 };
 
 constexpr size_t SHADER_TYPE_MAX_COUNT{ 3 };

SHADE_Engine/src/Assets/SHAssetManager.cpp

@@ -151,19 +151,23 @@ namespace SHADE
 	****************************************************************************/
 	AssetID SHAssetManager::CreateNewAsset(AssetType type, AssetName name) noexcept
 	{
+    SHAssetData* data = nullptr;
     std::string newPath{ ASSET_ROOT };
     switch (type)
     {
     case AssetType::PREFAB:
       newPath += PREFAB_FOLDER;
+      data = new SHPrefabAsset();
       break;
 
     case AssetType::SCENE:
       newPath += SCENE_FOLDER;
+      data = new SHSceneAsset();
       break;
 
     case AssetType::MATERIAL:
       newPath += MATERIAL_FOLDER;
+      data = new SHMaterialAsset();
       break;
 
     default:
@@ -189,6 +193,8 @@ namespace SHADE
           )
     });
 
+    assetData.emplace(id, data);
+
 		return id;
 	}
 

SHADE_Engine/src/Camera/SHCameraArmComponent.cpp

@@ -0,0 +1,68 @@
+#include "SHpch.h"
+#include "SHCameraArmComponent.h"
+
+
+
+namespace SHADE
+{
+
+  SHCameraArmComponent::SHCameraArmComponent()
+    :pitch(0.0f), yaw(0.0f), armLength(1.0f),offset(), dirty(true), lookAtCameraOrigin(true)
+  {
+
+  }
+
+
+  SHVec3 const& SHCameraArmComponent::GetOffset() const noexcept
+  {
+    return offset;
+  }
+  
+  float SHCameraArmComponent::GetPitch() const noexcept
+  {
+    return pitch;
+  }
+
+  float SHCameraArmComponent::GetYaw() const noexcept
+  {
+    return yaw;
+  }
+
+  float SHCameraArmComponent::GetArmLength() const noexcept
+  {
+    return armLength;
+  }
+
+  void SHCameraArmComponent::SetPitch(float pitch) noexcept
+  {
+    this->pitch = pitch;
+    dirty = true;
+  }
+
+  void SHCameraArmComponent::SetYaw(float yaw) noexcept
+  {
+    this->yaw = yaw;
+    dirty = true;
+  }
+
+  void SHCameraArmComponent::SetArmLength(float length) noexcept
+  {
+    this->armLength = length;
+    dirty = true;
+  }
+
+}//namespace SHADE
+
+
+RTTR_REGISTRATION
+{
+  using namespace SHADE;
+  using namespace rttr;
+
+  registration::class_<SHCameraArmComponent>("Camera Arm Component")
+    .property("Arm Pitch", &SHCameraArmComponent::GetPitch, &SHCameraArmComponent::SetPitch)
+    .property("Arm Yaw", &SHCameraArmComponent::GetYaw, &SHCameraArmComponent::SetYaw)
+    .property("Arm Length", &SHCameraArmComponent::GetArmLength, &SHCameraArmComponent::SetArmLength)
+    .property("Look At Camera Origin", &SHCameraArmComponent::lookAtCameraOrigin);
+    
+}

SHADE_Engine/src/Camera/SHCameraArmComponent.h

@@ -0,0 +1,44 @@
+#pragma once
+
+
+#include <rttr/registration>
+#include "ECS_Base/Components/SHComponent.h"
+#include "Math/SHMatrix.h"
+#include "SH_API.h"
+
+namespace SHADE
+{
+  class SH_API SHCameraArmComponent final: public SHComponent
+  {
+  private:
+    float pitch;
+    float yaw;
+    float armLength;
+
+    bool dirty;
+    SHVec3 offset;
+
+  public:
+    friend class SHCameraSystem;
+    SHCameraArmComponent();
+    virtual ~SHCameraArmComponent() = default;
+    
+    bool lookAtCameraOrigin;
+    //Getters
+    //SHMatrix const& GetMatrix() const noexcept;
+    SHVec3 const& GetOffset() const noexcept;
+    float GetPitch() const noexcept;
+    float GetYaw() const noexcept;
+    float GetArmLength() const noexcept;
+
+    //Setters
+    void SetPitch(float pitch) noexcept;
+    void SetYaw(float yaw) noexcept;
+    void SetArmLength(float length) noexcept;
+
+  protected:
+
+
+  };
+
+}//namespace SHADE

SHADE_Engine/src/Camera/SHCameraComponent.cpp

@@ -13,7 +13,7 @@ namespace SHADE
 		, width(1920.0f), height(1080.0f), zNear(0.01f), zFar(10000.0f), fov(90.0f), movementSpeed(1.0f), turnSpeed(0.5f)
 		, perspProj(true), dirtyView(true), dirtyProj(true)
 		, viewMatrix(), projMatrix()
-		, position()
+		, position(), offset()
 	{
 		ComponentFamily::GetID<SHCameraComponent>();
 	}

SHADE_Engine/src/Camera/SHCameraComponent.h

@@ -33,7 +33,7 @@ namespace SHADE
 		SHVec3 position;
 
 		bool perspProj;
-
+    SHVec3 offset;
 
 
 
@@ -41,7 +41,7 @@ namespace SHADE
 		friend class SHCameraSystem;
 
 		SHCameraComponent();
-		~SHCameraComponent();
+		virtual ~SHCameraComponent();
 		
 
 		//Getters and setters.

SHADE_Engine/src/Camera/SHCameraDirector.cpp

@@ -1,6 +1,7 @@
 #include "SHpch.h"
 #include "SHCameraDirector.h"
 #include "SHCameraComponent.h"
+#include "SHCameraArmComponent.h"
 #include "ECS_Base/Managers/SHComponentManager.h"
 #include "ECS_Base/SHECSMacros.h"
 #include "ECS_Base/Managers/SHEntityManager.h"
@@ -48,6 +49,7 @@ namespace SHADE
 			viewMatrix = camComponent->GetViewMatrix();
 			projMatrix = camComponent->GetProjMatrix();
 		}
+
 	}
 
 	void SHCameraDirector::SetMainCamera(SHCameraComponent& camera) noexcept

SHADE_Engine/src/Camera/SHCameraDirector.h

@@ -22,6 +22,7 @@ namespace SHADE
 		EntityID mainCameraEID;
 		EntityID transitionCameraEID;
     
+
 		SHMatrix GetViewMatrix() const noexcept;
 		SHMatrix GetProjMatrix() const noexcept;
 		SHMatrix GetVPMatrix() const noexcept;

SHADE_Engine/src/Camera/SHCameraSystem.cpp

@@ -1,10 +1,12 @@
 #include "SHpch.h"
 #include "SHCameraSystem.h"
+#include "SHCameraArmComponent.h"
 #include "Math/SHMathHelpers.h"
 #include "Input/SHInputManager.h"
 #include "Math/Vector/SHVec2.h"
 #include "ECS_Base/Managers/SHComponentManager.h"
 #include "Math/Transform/SHTransformComponent.h"
+#include <math.h>
 
 
 namespace SHADE
@@ -59,6 +61,7 @@ namespace SHADE
     }
 
     UpdateCameraComponent(editorCamera);
+
   }
 	void SHCameraSystem::EditorCameraUpdate::Execute(double dt) noexcept 
 	{
@@ -112,6 +115,8 @@ namespace SHADE
 
     //std::cout << "Camera position: " << camera.position.x << " " << camera.position.y << std::endl;
     system->UpdateCameraComponent(system->editorCamera);
+    
+    system->DecomposeViewMatrix(camera.viewMatrix, camera.pitch, camera.yaw, camera.roll, camera.position);
 	}
 
   void SHCameraSystem::Init(void) 
@@ -122,6 +127,9 @@ namespace SHADE
     editorCamera.SetRoll(0.0f);
     editorCamera.movementSpeed = 2.0f;
 
+    SHComponentManager::CreateComponentSparseSet<SHCameraComponent>();
+    SHComponentManager::CreateComponentSparseSet<SHCameraArmComponent>();
+    
   }
 
   void SHCameraSystem::Exit(void) 
@@ -134,6 +142,26 @@ namespace SHADE
     return &editorCamera;
   }
 
+  void SHCameraSystem::UpdatePivotArmComponent(SHCameraArmComponent& pivot) noexcept
+  {
+    if (pivot.dirty)
+    {
+
+      SHVec3 offset{ 0.0f,0.0f, pivot.GetArmLength() };
+      offset = SHVec3::RotateX(offset, -(SHMath::DegreesToRadians(pivot.GetPitch())));
+      offset = SHVec3::RotateY(offset, (SHMath::DegreesToRadians(pivot.GetYaw())));
+
+
+      //pivot.rtMatrix = SHMatrix::RotateX(SHMath::DegreesToRadians(pivot.GetPitch()))
+      //  * SHMatrix::RotateY(SHMath::DegreesToRadians(pivot.GetYaw()))
+      //  * SHMatrix::Translate(SHVec3(0.0f , 0.0f, pivot.GetArmLength()));
+
+      pivot.offset = offset;
+      // pivot.rtMatrix = SHMatrix::Inverse(pivot.rtMatrix);
+    }
+  }
+
+
   void SHCameraSystem::UpdateCameraComponent(SHCameraComponent& camera) noexcept
 	{
     if (SHComponentManager::HasComponent<SHTransformComponent>(camera.GetEID()) == true && &camera != &editorCamera)
@@ -151,6 +179,15 @@ namespace SHADE
 		if (camera.dirtyView)
 		{
       
+      camera.offset = SHVec3{ 0.0f };
+      if (SHComponentManager::HasComponent<SHCameraArmComponent>(camera.GetEID()))
+      {
+        auto arm = SHComponentManager::GetComponent<SHCameraArmComponent>(camera.GetEID());        
+        camera.offset = arm->GetOffset();
+        if(arm->lookAtCameraOrigin)
+          CameraLookAt(camera, camera.position);
+      }
+
       SHVec3 view, right, UP;
 
       
@@ -171,9 +208,12 @@ namespace SHADE
       camera.viewMatrix(2, 1) = view[1];
       camera.viewMatrix(2, 2) = view[2];
 
-      camera.viewMatrix(0, 3) = -right.Dot(camera.position);
-      camera.viewMatrix(1, 3) = -UP.Dot(camera.position);
-      camera.viewMatrix(2, 3) = -view.Dot(camera.position);
+      camera.viewMatrix(0, 3) = -right.Dot(camera.position + camera.offset);
+      camera.viewMatrix(1, 3) = -UP.Dot(camera.position + camera.offset);
+      camera.viewMatrix(2, 3) = -view.Dot(camera.position + camera.offset);
+
+      
+      
 
       camera.dirtyView = false;
 		}
@@ -221,6 +261,8 @@ namespace SHADE
     SHVec3 up = { 0.0f,1.0f,0.0f };
 
 
+
+
     target = SHVec3::RotateX(target, SHMath::DegreesToRadians(camera.pitch));
     target = SHVec3::RotateY(target, SHMath::DegreesToRadians(camera.yaw));
     target += camera.position;
@@ -241,6 +283,13 @@ namespace SHADE
   {
     SHCameraSystem* system = static_cast<SHCameraSystem*>(GetSystem());
     auto& dense = SHComponentManager::GetDense<SHCameraComponent>();
+    auto& pivotDense = SHComponentManager::GetDense<SHCameraArmComponent>();
+
+    for (auto& pivot : pivotDense)
+    {
+      system->UpdatePivotArmComponent(pivot);
+    }
+
     for (auto& cam : dense)
     {
       system->UpdateCameraComponent(cam);
@@ -274,18 +323,115 @@ namespace SHADE
   }
   void SHCameraSystem::ClampCameraRotation(SHCameraComponent& camera) noexcept
   {
+    constexpr float clampVal = 85.0f;
 
 
+    if (camera.pitch > clampVal)
+      camera.SetPitch(clampVal);
+    if (camera.pitch < -clampVal)
+      camera.SetPitch(-clampVal);
+    if (camera.roll > clampVal)
+      camera.SetRoll(clampVal);
+    if (camera.roll < -clampVal)
+      camera.SetRoll(-clampVal);
 
-    if (camera.pitch > 85)
-      camera.SetPitch(85);
-    if (camera.pitch < -85)
-      camera.SetPitch(-85);
-    if (camera.roll > 85)
-      camera.SetRoll(85);
-    if (camera.roll < -85)
-      camera.SetRoll(-85);
+    while (camera.yaw > 360)
+      camera.yaw -= 360;
+    while (camera.yaw < -360)
+      camera.yaw += 360;
 
   }
 
+  void SHCameraSystem::SetMainCamera(EntityID eid, size_t directorIndex) noexcept
+  {
+    if (SHComponentManager::HasComponent<SHCameraComponent>(eid) && directorIndex < directorHandleList.size())
+      directorHandleList[directorIndex]->SetMainCamera(*SHComponentManager::GetComponent<SHCameraComponent>(eid));
+    else
+    {
+      SHLOG_WARNING("Set Main Camera warning: Entity does not have camera component or director does not exist.")
+    }
+  }
+
+  void SHCameraSystem::DecomposeViewMatrix(SHMatrix const& viewMatrix, float& pitch, float& yaw, float& roll, SHVec3& pos) noexcept
+  {
+
+    float initPitch = pitch;
+    SHVec3 initPos = pos;
+    SHVec3 translate3, scale;
+    SHQuaternion quat;
+
+    //SHMatrix viewInverse = viewMatrix;
+
+    viewMatrix.Decompose(translate3, quat, scale);
+    yaw = 180+ SHMath::RadiansToDegrees(quat.ToEuler().y);
+    pitch = -SHMath::RadiansToDegrees(quat.ToEuler().x);
+
+    SHVec4 dotPos{ -viewMatrix(0,3),-viewMatrix(1,3), -viewMatrix(2,3), 1.0f };
+    SHMatrix mtx = viewMatrix;
+    mtx(0, 3) = 0.0f;
+    mtx(1, 3) = 0.0f;
+    mtx(2, 3) = 0.0f;
+    mtx.Transpose();
+    mtx = SHMatrix::Inverse(mtx);
+    SHVec4 translate =  mtx* dotPos;
+
+    pos.x = translate.x;
+    pos.y = translate.y;
+    pos.z = translate.z;
+    
+  }
+  void SHCameraSystem::SetCameraViewMatrix(SHCameraComponent& camera, SHMatrix const& viewMatrix) noexcept
+  {
+    DecomposeViewMatrix(viewMatrix, camera.pitch, camera.yaw, camera.roll, camera.position);
+    camera.dirtyView = true;
+  }
+
+  void SHCameraSystem::CameraLookAt(SHCameraComponent& camera, SHVec3 target) noexcept
+  {
+ 
+    if (camera.position == target)
+    {
+      //lets off set it abit so the view is nt fked
+      target.z -= 0.0001f;
+    }
+    SHVec3 forward, right, upVec;
+
+    SHVec3 up = { 0.0f,1.0f,0.0f };
+    
+
+    ////SHVec3::RotateZ(target, SHMath::DegreesToRadians(camera.roll));
+
+    //target = SHVec3::Normalise(target);
+
+    SHVec3::RotateZ(up, camera.roll);
+    up = SHVec3::Normalise(up);
+
+
+    forward = target - (camera.position + camera.offset); forward = SHVec3::Normalise(forward);
+    right = SHVec3::Cross(forward, up); right = SHVec3::Normalise(right);
+    upVec = SHVec3::Cross(forward, right);
+
+
+    SHMatrix viewMtx;
+    viewMtx = SHMatrix::Identity;
+    viewMtx(0, 0) = right[0];
+    viewMtx(0, 1) = right[1];
+    viewMtx(0, 2) = right[2];
+
+    viewMtx(1, 0) = upVec[0];
+    viewMtx(1, 1) = upVec[1];
+    viewMtx(1, 2) = upVec[2];
+
+    viewMtx(2, 0) = forward[0];
+    viewMtx(2, 1) = forward[1];
+    viewMtx(2, 2) = forward[2];
+
+    viewMtx(0, 3) = -right.Dot(camera.position + camera.offset);
+    viewMtx(1, 3) = -upVec.Dot(camera.position + camera.offset);
+    viewMtx(2, 3) = -forward.Dot(camera.position + camera.offset);
+
+
+    SetCameraViewMatrix(camera, viewMtx);
+  }
+
 }

SHADE_Engine/src/Camera/SHCameraSystem.h

@@ -9,6 +9,9 @@
 
 namespace SHADE
 {
+
+  class SHCameraArmComponent;
+
 	class SH_API SHCameraSystem final : public SHSystem
 	{
 	private:
@@ -19,6 +22,11 @@ namespace SHADE
 		SHResourceLibrary<SHCameraDirector> directorLibrary;
 		std::vector<DirectorHandle> directorHandleList;
 
+
+    void UpdateCameraComponent(SHCameraComponent& camera) noexcept;
+    void UpdatePivotArmComponent(SHCameraArmComponent& pivot) noexcept;
+
+
 	public:
     SHCameraSystem(void) = default;
     virtual ~SHCameraSystem(void) = default;
@@ -39,7 +47,7 @@ namespace SHADE
 		class SH_API CameraSystemUpdate final: public SHSystemRoutine
 		{
 		public:
-			CameraSystemUpdate() : SHSystemRoutine("Camera System Update", false) {};
+			CameraSystemUpdate() : SHSystemRoutine("Camera System Update", true) {};
 			virtual void Execute(double dt)noexcept override final;
 		};
 		friend class CameraSystemUpdate;
@@ -51,12 +59,10 @@ namespace SHADE
 		DirectorHandle GetDirector(size_t index) noexcept;
 		void ClampCameraRotation(SHCameraComponent& camera) noexcept;
 		void UpdateEditorCamera(double dt) noexcept;
-	protected:
-
-		void UpdateCameraComponent(SHCameraComponent& camera) noexcept;
-
-		
-
+    void SetMainCamera(EntityID eid, size_t directorIndex) noexcept;
+    void DecomposeViewMatrix(SHMatrix const& matrix, float& pitch, float& yaw, float& roll, SHVec3& pos) noexcept;
+    void SetCameraViewMatrix(SHCameraComponent& camera, SHMatrix const& viewMatrix) noexcept;
+    void CameraLookAt(SHCameraComponent& camera, SHVec3 target) noexcept;
 	};
 
 

SHADE_Engine/src/ECS_Base/Managers/SHComponentManager.cpp

@@ -33,12 +33,18 @@ namespace SHADE
 			return;
 		}
 
+    std::vector<SHComponentRemovedEvent> eventVec;
+
 		for (uint32_t i = 0; i < componentSet.Size(); ++i)
 		{
 			SHComponent* comp = (SHComponent*) componentSet.GetElement(i,  EntityHandleGenerator::GetIndex(entityID));
 			if (comp)
 			{
 				comp->OnDestroy();
+        SHComponentRemovedEvent eventData;
+        eventData.eid = entityID;
+        eventData.removedComponentType = i;
+        eventVec.push_back(eventData);
 			}
 		}
 
@@ -51,8 +57,15 @@ namespace SHADE
 
 		componentSet.RemoveElements(EntityHandleGenerator::GetIndex(entityID));
 
+    for (auto& eventData : eventVec)
+    {
+      SHEventManager::BroadcastEvent<SHComponentRemovedEvent>(eventData, SH_COMPONENT_REMOVED_EVENT);
+    }
+
+
 		//entityHandle.RemoveHandle(entityID);
 
+
 	}
 
 

SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.cpp

@@ -213,5 +213,14 @@ namespace SHADE
 		return SHSerialization::DeserializeEntityToSceneFromString(data);
 	}*/
 
-
+  EntityID SHEntityManager::GetEntityByName(std::string const& name) noexcept
+  {
+    EntityID result = MAX_EID;
+    for (auto& entity : entityVec)
+    {
+      if (entity->name == name)
+        result = entity->GetEID();
+    }
+    return result;
+  }
 }

SHADE_Engine/src/ECS_Base/Managers/SHEntityManager.h

@@ -209,6 +209,8 @@ namespace SHADE
 
 		//static EntityID DuplicateEntity(EntityID eid) noexcept;
 
+    static EntityID GetEntityByName(std::string const& name) noexcept;
+
 	protected:
 
 

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

@@ -195,18 +195,22 @@ namespace SHADE
     if (SHDragDrop::BeginSource())
     {
       std::string moveLabel = "Moving EID: ";
+      static std::vector<EntityID> draggingEntities = editor->selectedEntities;
       if (!isSelected)
-        editor->selectedEntities.push_back(eid);
-      for (int i = 0; i < static_cast<int>(editor->selectedEntities.size()); ++i)
       {
-        moveLabel.append(std::to_string(editor->selectedEntities[i]));
-        if (i + 1 < static_cast<int>(editor->selectedEntities.size()))
+        draggingEntities.clear();
+        draggingEntities.push_back(eid);
+      }
+      for (int i = 0; i < static_cast<int>(draggingEntities.size()); ++i)
+      {
+        moveLabel.append(std::to_string(draggingEntities[i]));
+        if (i + 1 < static_cast<int>(draggingEntities.size()))
         {
           moveLabel.append(", ");
         }
       }
       ImGui::Text(moveLabel.c_str());
-      SHDragDrop::SetPayload<std::vector<EntityID>>(SHDragDrop::DRAG_EID, &editor->selectedEntities);
+      SHDragDrop::SetPayload<std::vector<EntityID>>(SHDragDrop::DRAG_EID, &draggingEntities);
       SHDragDrop::EndSource();
     }
     else if (SHDragDrop::BeginTarget()) //If Received DragDrop

SHADE_Engine/src/Editor/EditorWindow/Inspector/SHEditorComponentView.hpp

@@ -251,7 +251,7 @@ namespace SHADE
           SHEditorWidgets::DragVec3
           (
             "Half Extents", { "X", "Y", "Z" },
-            [box, transformComponent] { return (transformComponent->GetWorldScale() * 2.0f) * box->GetHalfExtents(); },
+            [box, transformComponent] { return (box->GetHalfExtents() * 2.0f) / transformComponent->GetWorldScale(); },
             [collider](SHVec3 const& vec) { collider->SetBoundingBox(vec); });
         }
         else if (collider->GetType() == SHCollider::Type::SPHERE)
@@ -274,8 +274,27 @@ namespace SHADE
 
         }
         {
-          SHEditorWidgets::BeginPanel("Offset", { ImGui::GetContentRegionAvail().x, 30.0f });
+          SHEditorWidgets::BeginPanel("Offsets",{ ImGui::GetContentRegionAvail().x, 30.0f });
           SHEditorWidgets::DragVec3("Position", { "X", "Y", "Z" }, [&collider] {return collider->GetPositionOffset(); }, [&collider](SHVec3 const& vec) {collider->SetPositionOffset(vec); });
+          SHEditorWidgets::DragVec3("Rotation", { "X", "Y", "Z" }, 
+          [&collider]
+          {
+            auto offset = collider->GetRotationOffset();
+            offset.x = SHMath::RadiansToDegrees(offset.x);
+            offset.y = SHMath::RadiansToDegrees(offset.y);
+            offset.z = SHMath::RadiansToDegrees(offset.z);
+            return offset;
+          }, 
+          [&collider](SHVec3 const& vec)
+          {
+            const SHVec3 vecInRad
+            {
+              SHMath::DegreesToRadians(vec.x)
+            , SHMath::DegreesToRadians(vec.y)
+            , SHMath::DegreesToRadians(vec.z)
+            };
+            collider->SetRotationOffset(vecInRad);
+          });
           SHEditorWidgets::EndPanel();
         }
         if (ImGui::Button(std::format("{} Remove Collider #{}", ICON_MD_REMOVE, i).data()))
@@ -358,6 +377,7 @@ namespace SHADE
         [component](AssetID const& id)
         {
           component->SetMesh(SHResourceManager::LoadOrGet<SHMesh>(id));
+          SHResourceManager::FinaliseChanges();
         }, SHDragDrop::DRAG_RESOURCE);
     }
     else

SHADE_Engine/src/Editor/EditorWindow/Inspector/SHEditorInspector.cpp

@@ -17,6 +17,7 @@
 #include "Physics/Components/SHRigidBodyComponent.h"
 #include "Physics/Components/SHColliderComponent.h"
 #include "Camera/SHCameraComponent.h"
+#include "Camera/SHCameraArmComponent.h"
 #include "SHEditorComponentView.h"
 
 namespace SHADE
@@ -126,6 +127,9 @@ namespace SHADE
         if (auto cameraComponent = SHComponentManager::GetComponent_s<SHCameraComponent>(eid))
         {
           DrawComponent(cameraComponent);
+        }if (auto cameraArmComponent = SHComponentManager::GetComponent_s<SHCameraArmComponent>(eid))
+        {
+          DrawComponent(cameraArmComponent);
         }
         ImGui::Separator();
         // Render Scripts
@@ -136,6 +140,7 @@ namespace SHADE
         {
           DrawAddComponentButton<SHTransformComponent>(eid);
           DrawAddComponentButton<SHCameraComponent>(eid);
+          DrawAddComponentButton<SHCameraArmComponent>(eid);
           DrawAddComponentButton<SHLightComponent>(eid);
 
           // Components that require Transforms

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

@@ -175,19 +175,37 @@ namespace SHADE
       ImGui::BeginDisabled(editor->editorState == SHEditor::State::PLAY);
       if(ImGui::SmallButton(ICON_MD_PLAY_ARROW))
       {
+        const SHEditorStateChangeEvent STATE_CHANGE_EVENT
+        {
+          .previousState  = editor->editorState
+        };
         editor->editorState = SHEditor::State::PLAY;
+
+        SHEventManager::BroadcastEvent<SHEditorStateChangeEvent>(STATE_CHANGE_EVENT, SH_EDITOR_ON_PLAY_EVENT);
       }
       ImGui::EndDisabled();
       ImGui::BeginDisabled(editor->editorState == SHEditor::State::PAUSE);
       if(ImGui::SmallButton(ICON_MD_PAUSE))
       {
+        const SHEditorStateChangeEvent STATE_CHANGE_EVENT
+        {
+          .previousState  = editor->editorState
+        };
         editor->editorState = SHEditor::State::PAUSE;
+
+        SHEventManager::BroadcastEvent<SHEditorStateChangeEvent>(STATE_CHANGE_EVENT, SH_EDITOR_ON_PAUSE_EVENT);
       }
       ImGui::EndDisabled();
       ImGui::BeginDisabled(editor->editorState == SHEditor::State::STOP);
       if(ImGui::SmallButton(ICON_MD_STOP))
       {
+        const SHEditorStateChangeEvent STATE_CHANGE_EVENT
+        {
+          .previousState  = editor->editorState
+        };
         editor->editorState = SHEditor::State::STOP;
+
+        SHEventManager::BroadcastEvent<SHEditorStateChangeEvent>(STATE_CHANGE_EVENT, SH_EDITOR_ON_STOP_EVENT);
       }
       ImGui::EndDisabled();
       ImGui::EndMenuBar();

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

@@ -20,4 +20,10 @@ namespace SHADE
     float menuBarHeight = 20.0f;
     std::vector<std::filesystem::path> layoutPaths;
   };//class SHEditorMenuBar
+
+  struct SHEditorStateChangeEvent
+  {
+    SHEditor::State previousState;
+  };
+
 }//namespace SHADE

SHADE_Engine/src/Editor/SHEditor.h

@@ -15,7 +15,7 @@
 #include "ECS_Base/System/SHSystemRoutine.h"
 #include "Resource/SHHandle.h"
 #include "EditorWindow/SHEditorWindow.h"
-#include "Tools/SHLogger.h"
+#include "Tools/SHLog.h"
 #include "Gizmos/SHTransformGizmo.h"
 
 
@@ -76,7 +76,7 @@ namespace SHADE
       }
       else
       {
-        SHLOG_WARNING("Attempt to create duplicate of Editor window type")
+        SHLog::Warning("Attempt to create duplicate of Editor window type");
       }
     }
 

SHADE_Engine/src/Editor/SHEditorUI.cpp

@@ -16,6 +16,7 @@ of DigiPen Institute of Technology is prohibited.
 // External Dependencies
 #include <imgui.h>
 #include "SHEditorWidgets.hpp"
+#include "ECS_Base/Managers/SHEntityManager.h"
 
 namespace SHADE
 {
@@ -287,6 +288,35 @@ namespace SHADE
     return CHANGED;
   }
 
+  bool SHEditorUI::InputGameObjectField(const std::string& label, uint32_t& value, bool* isHovered)
+  {
+    ImGui::Text(label.c_str());
+    if (isHovered)
+      *isHovered = ImGui::IsItemHovered();
+    ImGui::SameLine();
+    SHEntity* entity = SHEntityManager::GetEntityByID(value);
+    std::ostringstream oss;
+    if (entity)
+    {
+      oss << value << ": " << entity->name;
+    }
+    std::string entityName = oss.str();
+    bool changed = ImGui::InputText("##", &entityName, ImGuiInputTextFlags_ReadOnly);
+    if (SHDragDrop::BeginTarget())
+    {
+      if (const std::vector<EntityID>* payload = SHDragDrop::AcceptPayload<std::vector<EntityID>>(SHDragDrop::DRAG_EID))
+      {
+        if (!payload->empty())
+        {
+          value = payload->at(0);
+          changed = true;
+        }
+        SHDragDrop::EndTarget();
+      }
+    }
+    return changed;
+  }
+
   bool SHEditorUI::InputEnumCombo(const std::string& label, int& v, const std::vector<std::string>& enumNames, bool* isHovered)
   {
     // Clamp input value

SHADE_Engine/src/Editor/SHEditorUI.h

@@ -308,6 +308,14 @@ namespace SHADE
     /// <returns>True if the value was changed.</returns>
     static bool InputTextField(const std::string& label, std::string& value, bool* isHovered = nullptr);
     /// <summary>
+    /// Creates a drag field widget for int input.
+    /// </summary>
+    /// <param name="label">Label used to identify this widget.</param>
+    /// <param name="value">Reference to the variable to store the result.</param>
+    /// <param name="isHovered>If set, stores the hover state of this widget.</param>
+    /// <returns>True if the value was changed.</returns>
+    static bool InputGameObjectField(const std::string& label, uint32_t& value, bool* isHovered = nullptr);
+    /// <summary>
     /// Creates a combo box for enumeration input.
     /// </summary>
     /// <typeparam name="Enum">The type of enum to input.</typeparam>

SHADE_Engine/src/Events/SHEventDefines.h

@@ -13,4 +13,7 @@ constexpr SHEventIdentifier SH_COMPONENT_REMOVED_EVENT        { 4 };
 constexpr SHEventIdentifier SH_SCENEGRAPH_CHANGE_PARENT_EVENT { 5 };
 constexpr SHEventIdentifier SH_PHYSICS_COLLIDER_ADDED_EVENT   { 6 };
 constexpr SHEventIdentifier SH_PHYSICS_COLLIDER_REMOVED_EVENT { 7 };
+constexpr SHEventIdentifier SH_EDITOR_ON_PLAY_EVENT           { 8 };
+constexpr SHEventIdentifier SH_EDITOR_ON_PAUSE_EVENT          { 9 };
+constexpr SHEventIdentifier SH_EDITOR_ON_STOP_EVENT           { 10 };
 

SHADE_Engine/src/Graphics/MiddleEnd/Batching/SHBatch.cpp

@@ -74,10 +74,11 @@ namespace SHADE
 
   void SHBatch::Remove(const SHRenderable* renderable)
   {
-    // Check if we have a SubBatch with the same mesh yet
+    // Check if we have a SubBatch with the existing mesh yet (if changed, we use the old mesh)
+    Handle<SHMesh> prevSubBatchMesh = renderable->HasMeshChanged() ? renderable->GetPrevMesh() : renderable->GetMesh();
     auto subBatch = std::find_if(subBatches.begin(), subBatches.end(), [&](const SHSubBatch& batch)
     {
-        return batch.Mesh == renderable->GetMesh();
+      return batch.Mesh == prevSubBatchMesh;
     });
 
     // Attempt to remove if it exists
@@ -88,9 +89,7 @@ namespace SHADE
 
     // Check if other renderables in subBatches contain the same material instance
     bool matUnused = true;
-
     Handle<SHMaterialInstance> matToCheck = renderable->HasMaterialChanged() ? renderable->GetPrevMaterial() : renderable->GetMaterial();
-
     for (const auto& sb : subBatches)
     {
       // Check material usage

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp

@@ -37,6 +37,8 @@ of DigiPen Institute of Technology is prohibited.
 #include "Assets/Asset Types/SHTextureAsset.h"
 #include "Graphics/MiddleEnd/Interface/SHMousePickSystem.h"
 #include "Graphics/MiddleEnd/Lights/SHLightingSubSystem.h"
+#include "Assets/SHAssetManager.h"
+#include "Resource/SHResourceManager.h"
 
 namespace SHADE
 {
@@ -104,14 +106,12 @@ namespace SHADE
     descPool = device->CreateDescriptorPools();
 
     // Create generic command buffer
-    //transferCmdPool = device->CreateCommandPool(SH_QUEUE_FAMILY_ARRAY_INDEX::GRAPHICS, SH_CMD_POOL_RESET::POOL_BASED, true);
     graphicsCmdPool = device->CreateCommandPool(SH_QUEUE_FAMILY_ARRAY_INDEX::GRAPHICS, SH_CMD_POOL_RESET::POOL_BASED, true);
-    transferCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
-    graphicsTexCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
 
-
-    shaderModuleLibrary.ImportAllShaderSource(device);
-    shaderModuleLibrary.ReflectAllShaderModules();
+    // Load Built In Shaders
+    static constexpr AssetID VS_DEFAULT   = 39210065; defaultVertShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
+    static constexpr AssetID FS_DEFAULT   = 46377769; defaultFragShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEFAULT);
+    static constexpr AssetID CS_COMPOSITE = 45072428; deferredCompositeShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(CS_COMPOSITE);
   }
 
   void SHGraphicsSystem::InitSceneRenderGraph(void) noexcept
@@ -180,16 +180,7 @@ namespace SHADE
     gBufferSubpass->AddColorOutput("Albedo");
     gBufferSubpass->AddDepthOutput("Depth Buffer", SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL);
 
-    //// kirsch
-    //auto kirschShader = shaderModuleLibrary.GetShaderModule("KirschCs.glsl");
-    //gBufferNode->AddNodeCompute(kirschShader, { "Position", "Scene" });
-
-    //// copy
-    //auto pureCopyShader = shaderModuleLibrary.GetShaderModule("PureCopyCs.glsl");
-    //gBufferNode->AddNodeCompute(pureCopyShader, { "Position", "Scene" });
-
     // deferred composite
-    auto deferredCompositeShader = shaderModuleLibrary.GetBuiltInShaderModule("DeferredComposite_CS");
     gBufferNode->AddNodeCompute(deferredCompositeShader, { "Position", "Normals", "Albedo", "Light Layer Indices", "Scene" });
 
 
@@ -207,10 +198,7 @@ namespace SHADE
 
     worldRenderer->SetCameraDirector(cameraSystem->CreateDirector());
 
-    auto cubeVS = shaderModuleLibrary.GetBuiltInShaderModule("TestCube_VS");
-    auto cubeFS = shaderModuleLibrary.GetBuiltInShaderModule("TestCube_FS");
-
-    defaultMaterial = AddMaterial(cubeVS, cubeFS, gBufferSubpass);
+    defaultMaterial = AddMaterial(defaultVertShader, defaultFragShader, gBufferSubpass);
   }
 
   void SHGraphicsSystem::InitMiddleEnd(void) noexcept
@@ -630,10 +618,14 @@ namespace SHADE
 
   void SHGraphicsSystem::BuildMeshBuffers()
   {
+      transferCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
+      device->WaitIdle();
 	  transferCmdBuffer->BeginRecording();
 	  meshLibrary.BuildBuffers(device, transferCmdBuffer);
 	  transferCmdBuffer->EndRecording();
 	  graphicsQueue->SubmitCommandBuffer({ transferCmdBuffer });
+      device->WaitIdle();
+      transferCmdBuffer.Free(); transferCmdBuffer = {};
   }
 
   /*---------------------------------------------------------------------------------*/
@@ -658,10 +650,14 @@ namespace SHADE
 
   void SHGraphicsSystem::BuildTextures()
   {
+      graphicsTexCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
+      device->WaitIdle();
       texLibrary.BuildTextures
       (
           device, graphicsTexCmdBuffer, graphicsQueue, descPool
       );
+      device->WaitIdle();
+      graphicsTexCmdBuffer.Free(); graphicsTexCmdBuffer = {};
   }
 
 #pragma endregion ADD_REMOVE
@@ -701,6 +697,7 @@ namespace SHADE
   void SHGraphicsSystem::EndRoutine::Execute(double) noexcept
   {
     reinterpret_cast<SHGraphicsSystem*>(system)->EndRender();
+    SHResourceManager::FinaliseChanges();
   }
   
   /*-----------------------------------------------------------------------------------*/
@@ -718,8 +715,13 @@ namespace SHADE
       if (!renderable.HasChanged())
         continue;
     
-      // Remove from old material's SuperBatch
-      Handle<SHMaterialInstance> prevMaterial = renderable.GetPrevMaterial();
+      if (!renderable.GetMesh())
+      {
+        SHLOG_CRITICAL("NULL Mesh provided!");
+      }
+
+      // Remove from the SuperBatch it is previously in (prevMat if mat has changed)
+      Handle<SHMaterialInstance> prevMaterial = renderable.HasMaterialChanged() ? renderable.GetPrevMaterial() : renderable.GetMaterial();
       if (prevMaterial)
       {
         Handle<SHSuperBatch> oldSuperBatch = prevMaterial->GetBaseMaterial()->GetPipeline()->GetPipelineState().GetSubpass()->GetSuperBatch();

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h

@@ -25,7 +25,6 @@ of DigiPen Institute of Technology is prohibited.
 #include "ECS_Base/System/SHSystemRoutine.h"
 #include "Graphics/Descriptors/SHVkDescriptorPool.h"
 #include "Graphics/RenderGraph/SHRenderGraph.h"
-#include "Graphics/MiddleEnd/Shaders/SHShaderModuleLibrary.h"
 #include "SHMeshLibrary.h"
 #include "Graphics/MiddleEnd/Materials/SHMaterialInstanceCache.h"
 #include "../Textures/SHTextureLibrary.h"
@@ -293,6 +292,10 @@ namespace SHADE
 
     //Handle<SHVkRenderpass> GetRenderPass() const { return renderPass; }
 
+    /*-----------------------------------------------------------------------------*/
+    /* Getters                                                                     */
+    /*-----------------------------------------------------------------------------*/
+    SHWindow* GetWindow() noexcept { return window; }
 
   private:
     /*-----------------------------------------------------------------------------*/
@@ -325,6 +328,7 @@ namespace SHADE
     SHTextureLibrary                                          texLibrary;
     SHSamplerCache                                            samplerCache;
     SHMaterialInstanceCache                                   materialInstanceCache;
+
     // Viewports  
 #ifdef SHEDITOR
     Handle<SHViewport>                                        editorViewport;
@@ -346,9 +350,12 @@ namespace SHADE
     Handle<SHCamera>                                          worldCamera;
     Handle<SHCamera>                                          screenCamera;
 
-    SHShaderModuleLibrary                                     shaderModuleLibrary;
+    // Built-In Shaders
+    Handle<SHVkShaderModule>                                  defaultVertShader;
+    Handle<SHVkShaderModule>                                  defaultFragShader;
+    Handle<SHVkShaderModule>                                  deferredCompositeShader;
 
-    // Temp Materials
+    // Built-In Materials
     Handle<SHMaterial>                                        defaultMaterial;
 
     Handle<SHRenderGraph>                                     worldRenderGraph;

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystemInterface.cpp

@@ -0,0 +1,77 @@
+/************************************************************************************//*!
+\file           SHGraphicsSystemInterface.cpp
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definitions of the functions of the static 
+                SHGraphicsSystemInterface class.
+
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+// Precompiled Headers
+#include "SHpch.h"
+// Primary Header
+#include "SHGraphicsSystemInterface.h"
+// Project Includes
+#include "ECS_Base/Managers/SHSystemManager.h"
+#include "Graphics/MiddleEnd/Interface/SHGraphicsSystem.h"
+#include "Graphics/Windowing/SHWindow.h"
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Static Usage Functions                                                            */
+  /*-----------------------------------------------------------------------------------*/
+  uint32_t SHGraphicsSystemInterface::GetWindowWidth()
+  {
+    auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
+    if (gfxSystem)
+    {
+      const auto WND = gfxSystem->GetWindow();
+      return WND->GetWindowSize().first;
+    }
+
+    SHLOG_WARNING("[SHGraphicsSystemInterface] Failed to get window width. Value of 0 returned instead.");
+    return 0;
+  }
+
+  uint32_t SHGraphicsSystemInterface::GetWindowHeight()
+  {
+    auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
+    if (gfxSystem)
+    {
+      const auto WND = gfxSystem->GetWindow();
+      return WND->GetWindowSize().second;
+    }
+
+    SHLOG_WARNING("[SHGraphicsSystemInterface] Failed to get window height. Value of 0 returned instead.");
+    return 0;
+  }
+
+  bool SHGraphicsSystemInterface::IsFullscreen()
+  {
+    auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
+    if (gfxSystem)
+    {
+      const auto WND = gfxSystem->GetWindow();
+      return WND->GetWindowData().isFullscreen;
+    }
+
+    SHLOG_WARNING("[SHGraphicsSystemInterface] Failed to get window fullscreen status. Value of false returned instead.");
+    return false;
+  }
+
+  void SHGraphicsSystemInterface::CloseWindow()
+  {
+    auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
+    if (gfxSystem)
+    {
+      auto WND = gfxSystem->GetWindow();
+      return WND->Close();
+    }
+
+    SHLOG_WARNING("[SHGraphicsSystemInterface] Failed to close window.");
+  }
+}

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystemInterface.h

@@ -0,0 +1,52 @@
+/************************************************************************************//*!
+\file           SHGraphicsSystemInterface.h
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definition of the SHGraphicsSystemInterface static class.
+
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+
+namespace SHADE
+{
+  /// <summary>
+  /// Static class that wraps up certain functions in the SHGraphicsSystem so that 
+  /// accessing it from SHADE_Managed would not cause issues due to C++20 features.
+  /// </summary>
+  class SH_API SHGraphicsSystemInterface final
+  {
+    public:
+    /*---------------------------------------------------------------------------------*/
+    /* Constructor                                                                     */
+    /*---------------------------------------------------------------------------------*/
+    SHGraphicsSystemInterface() = delete;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Static Usage Functions                                                          */
+    /*---------------------------------------------------------------------------------*/
+    /// <summary>
+    /// Retrieves the current window width.
+    /// </summary>
+    /// <returns>The current window width.</returns>
+    static uint32_t GetWindowWidth();
+    /// <summary>
+    /// Retrieves the current window height.
+    /// </summary>
+    /// <returns>The current window height.</returns>
+    static uint32_t GetWindowHeight();
+    /// <summary>
+    /// Retrieves the current window fullscreen status.
+    /// </summary>
+    /// <returns>The current window fullscreen status..</returns>
+    static bool IsFullscreen();
+    /// <summary>
+    /// Closes the current window, and depending on the implementation, should also
+    /// close the application.
+    /// </summary>
+    static void CloseWindow();
+  };
+}

SHADE_Engine/src/Graphics/MiddleEnd/Materials/SHMaterialSpec.h

@@ -0,0 +1,36 @@
+/************************************************************************************//*!
+\file           SHMaterialSpec.h
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief			Contains the struct definition of SHMaterialSpec.
+
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+// Standard Library
+#include <string>
+#include <vector>
+#include <utility>
+// Project Includes
+#include "Assets/SHAssetMacros.h"
+
+namespace SHADE
+{
+  /*************************************************************************************/
+  /*!
+    \brief
+    Describes a Material's serialized properties. A representation of a material that is
+    independent of GPU resources.
+  */
+  /*************************************************************************************/
+  struct SHMaterialSpec
+  {
+    AssetID vertexShader;
+    AssetID fragShader;
+    std::string subpassName;
+    YAML::Node properties;
+  };
+}

SHADE_Engine/src/Graphics/MiddleEnd/Shaders/SHShaderModuleLibrary.cpp

@@ -1,139 +0,0 @@
-#include "SHPch.h"
-#include "SHShaderModuleLibrary.h"
-#include "Graphics/Devices/SHVkLogicalDevice.h"
-#include "Assets/SHAssetManager.h"
-
-namespace SHADE
-{
-  /***************************************************************************/
-  /*!
-  
-    \brief
-      Imports all shader binaries from the source library.
-    
-    \param logicalDeviceHdl
-      For creating shader modules.
-
-    \param sourceLib
-      The source library class that stores the container of shader binary data.
-   
-  */
-  /***************************************************************************/
-  //void SHShaderModuleLibrary::ImportFromSourceLibrary(Handle<SHVkLogicalDevice>& logicalDeviceHdl, SHShaderSourceLibrary const& sourceLib) noexcept
-  //{
-  //  auto const& sources = sourceLib.GetSourceLibrary();
-  //  for (auto const& source : sources)
-  //  {
-  //    vk::ShaderStageFlagBits shaderType{};
-  //    switch (source.shaderType)
-  //    {
-  //    case SH_SHADER_TYPE::VERTEX:
-  //      shaderType = vk::ShaderStageFlagBits::eVertex;
-  //      break;
-  //    case SH_SHADER_TYPE::FRAGMENT:
-  //      shaderType = vk::ShaderStageFlagBits::eFragment;
-  //      break;
-  //    case SH_SHADER_TYPE::COMPUTE:
-  //      shaderType = vk::ShaderStageFlagBits::eCompute;
-  //      break;
-  //    default:
-  //      shaderType = vk::ShaderStageFlagBits::eVertex;
-  //      break;
-  //    }
-
-  //    Handle<SHVkShaderModule> newShaderModule = logicalDeviceHdl->CreateShaderModule(source.spirvBinary, "main", shaderType, source.name);
-  //    shaderModules.emplace(source.id, newShaderModule);
-  //    stringToID.emplace(source.name, source.id);
-  //  }
-  //}
-
-  /***************************************************************************/
-  /*!
-  
-    \brief
-      Gets the shader module based on module name.
-    
-    \param shaderName
-   
-    \return 
-  
-  */
-  /***************************************************************************/
-  //Handle<SHVkShaderModule> SHShaderModuleLibrary::GetShaderModule(std::string shaderName) const noexcept
-  //{
-  //  if (stringToID.contains(shaderName))
-  //    return shaderModules.at(stringToID.at(shaderName));
-  //  else
-  //    return {};
-  //}
-
-  vk::ShaderStageFlagBits SHShaderModuleLibrary::GetVkShaderFlag(SH_SHADER_TYPE type) noexcept
-  {
-    vk::ShaderStageFlagBits shaderType{};
-    switch (type)
-    {
-    case SH_SHADER_TYPE::VERTEX:
-      shaderType = vk::ShaderStageFlagBits::eVertex;
-      break;
-    case SH_SHADER_TYPE::FRAGMENT:
-      shaderType = vk::ShaderStageFlagBits::eFragment;
-      break;
-    case SH_SHADER_TYPE::COMPUTE:
-      shaderType = vk::ShaderStageFlagBits::eCompute;
-      break;
-    default:
-      shaderType = vk::ShaderStageFlagBits::eVertex;
-      break;
-    }
-
-    return shaderType;
-  }
-
-  Handle<SHVkShaderModule> SHShaderModuleLibrary::GetBuiltInShaderModule(std::string shaderName) const noexcept
-  {
-      if (builtInShaderModules.contains(shaderName))
-        return builtInShaderModules.at(shaderName);
-      else
-        return {};
-  }
-
-  void SHShaderModuleLibrary::ImportAllShaderSource(Handle<SHVkLogicalDevice>& logicalDeviceHdl) noexcept
-  {
-    uint32_t idCounter{ 0 };
-
-    auto const data = SHAssetManager::GetAllDataOfType(AssetType::SHADER);
-    for (auto const& dataPtr : data)
-    {
-      auto const shader = dynamic_cast<SHShaderAsset const*>(dataPtr);
-
-	    Handle<SHVkShaderModule> newShaderModule = 
-        logicalDeviceHdl->CreateShaderModule(shader->spirvBinary, "main", GetVkShaderFlag(shader->shaderType), shader->name);
-
-	    shaderModules.emplace(idCounter++, newShaderModule);
-    }
-
-    auto const builtIn = SHAssetManager::GetAllDataOfType(AssetType::SHADER_BUILT_IN);
-    for (auto const& dataPtr : builtIn)
-    {
-      auto const shader = dynamic_cast<SHShaderAsset const*>(dataPtr);
-
-      Handle<SHVkShaderModule> newShaderModule =
-        logicalDeviceHdl->CreateShaderModule(shader->spirvBinary, "main", GetVkShaderFlag(shader->shaderType), shader->name);
-
-      builtInShaderModules.emplace(shader->name, newShaderModule);
-    }
-  }
-
-  void SHShaderModuleLibrary::ReflectAllShaderModules() noexcept
-  {
-    for (auto& module : shaderModules)
-    {
-      module.second->Reflect();
-    }
-
-    for (auto& module : builtInShaderModules)
-    {
-      module.second->Reflect();
-    }
-  }
-}

SHADE_Engine/src/Graphics/MiddleEnd/Shaders/SHShaderModuleLibrary.h

@@ -1,44 +0,0 @@
-#ifndef SH_SHADER_MODULE_LIBRARY_H
-#define SH_SHADER_MODULE_LIBRARY_H
-
-#include "Graphics/Shaders/SHVkShaderModule.h"
-#include "Assets/Asset Types/SHShaderAsset.h"
-
-namespace SHADE
-{
-  class SHVkLogicalDevice;
-
-  /*
-   * The purpose of this shader module library is to be separate from the source library. The source library contains
-   * pure shader binary data that contains no vulkan related objects. Every time we load on unload a scene/level,
-   * this class and the source library class is cleared of its modules and recreated. 
-   */
-  class SHShaderModuleLibrary
-  {
-  private:
-    /*-----------------------------------------------------------------------*/
-    /* PRIVATE MEMBER VARIABLES                                              */
-    /*-----------------------------------------------------------------------*/
-    //! Stored shader modules
-    std::unordered_map<uint32_t, Handle<SHVkShaderModule>> shaderModules;
-    std::unordered_map<std::string, Handle<SHVkShaderModule>> builtInShaderModules;
-
-    inline vk::ShaderStageFlagBits GetVkShaderFlag(SH_SHADER_TYPE type) noexcept;
-
-  public:
-    /*-----------------------------------------------------------------------*/
-    /* PUBLIC MEMBER FUNCTIONS                                               */
-    /*-----------------------------------------------------------------------*/
-    //void ImportFromSourceLibrary(Handle<SHVkLogicalDevice>& logicalDeviceHdl, SHShaderSourceLibrary const& sourceLib) noexcept;
-
-    /*-----------------------------------------------------------------------*/
-    /* SETTERS AND GETTERS                                                   */
-    /*-----------------------------------------------------------------------*/
-    Handle<SHVkShaderModule> GetBuiltInShaderModule(std::string shaderName) const noexcept;
-    
-    void ImportAllShaderSource(Handle<SHVkLogicalDevice>& logicalDeviceHdl) noexcept;
-    void ReflectAllShaderModules() noexcept;
-  };
-}
-
-#endif

SHADE_Engine/src/Graphics/Windowing/SHWindow.cpp

@@ -260,7 +260,7 @@ namespace SHADE
     return wndHWND;
   }
 
-  const WindowData SHWindow::GetWindowData()
+  const WindowData SHWindow::GetWindowData() const
   {
     return wndData;
   }

SHADE_Engine/src/Graphics/Windowing/SHWindow.h

@@ -123,7 +123,7 @@ namespace SHADE
 
     HWND GetHWND();
 
-    const WindowData GetWindowData();
+    const WindowData GetWindowData() const;
 
     CALLBACKID RegisterWindowSizeCallback(WindowResizeCallbackFn);
     void UnregisterWindowSizeCallback(CALLBACKID const& callbackid);

SHADE_Engine/src/Math/Transform/SHTransformComponent.cpp

@@ -186,6 +186,6 @@ RTTR_REGISTRATION
 
   registration::class_<SHTransformComponent>("Transform Component")
     .property("Translate" ,&SHTransformComponent::GetLocalPosition  ,&SHTransformComponent::SetLocalPosition                                      ) (metadata(META::tooltip, "Translate"))
-    .property("Rotate"           ,&SHTransformComponent::GetLocalRotation        ,select_overload<void(const SHVec3&)>(&SHTransformComponent::SetLocalRotation) )     (metadata(META::tooltip, "Rotate"), metadata(META::angleInRad, true))
+    .property("Rotate"    ,&SHTransformComponent::GetLocalRotation  ,select_overload<void(const SHVec3&)>(&SHTransformComponent::SetLocalRotation)) (metadata(META::tooltip, "Rotate"), metadata(META::angleInRad, true))
     .property("Scale"     ,&SHTransformComponent::GetLocalScale     ,&SHTransformComponent::SetLocalScale                                         ) (metadata(META::tooltip, "Scale"));
 }

SHADE_Engine/src/Math/Transform/SHTransformSystem.cpp

@@ -47,16 +47,14 @@ namespace SHADE
   {
     // Get the current scene graph to traverse and update
     const auto& SCENE_GRAPH = SHSceneManager::GetCurrentSceneGraph();
-
-    // TODO(Diren): Consider how to clear dirty in pause / stop mode and update physics, but do not clear in play mode.
-    UpdateEntity(SCENE_GRAPH.GetRoot(), false);
+    UpdateEntity(SCENE_GRAPH.GetRoot(), !IsRunInEditorPause);
   }
 
   void SHTransformSystem::TransformPostPhysicsUpdate::Execute(double) noexcept
   {
     // Get the current scene graph to traverse and update
     const auto& SCENE_GRAPH = SHSceneManager::GetCurrentSceneGraph();
-    UpdateEntity(SCENE_GRAPH.GetRoot(), true);
+    UpdateEntity(SCENE_GRAPH.GetRoot(), IsRunInEditorPause);
   }
 
   void SHTransformSystem::Init()

SHADE_Engine/src/Physics/Components/SHRigidBodyComponent.cpp

@@ -18,6 +18,7 @@
 
 // Project Headers
 #include "ECS_Base/Managers/SHSystemManager.h"
+#include "Math/SHMathHelpers.h"
 #include "Physics/SHPhysicsSystem.h"
 
 namespace SHADE
@@ -28,21 +29,9 @@ namespace SHADE
 
   SHRigidBodyComponent::SHRigidBodyComponent() noexcept
   : type        { Type::DYNAMIC }
-  , flags       { 0 }
-  , dirtyFlags  { 0 }
   , interpolate { true }
   , rp3dBody    { nullptr }
-  , mass        { 1.0f }
-  , drag        { 0.01f }
-  , angularDrag { 0.01f }
-  {
-    // Set default flags: Gravity & Sleeping enabled
-    flags |= 1U << 0;
-    flags |= 1U << 1;
-
-    // Set all dirty flags to true
-    dirtyFlags = 1023;
-  }
+  {}
 
   /*-----------------------------------------------------------------------------------*/
   /* Getter Function Definitions                                                       */
@@ -50,12 +39,24 @@ namespace SHADE
 
   bool SHRigidBodyComponent::IsGravityEnabled() const noexcept
   {
-    return flags & (1U << 0);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    return rp3dBody->isGravityEnabled();
   }
 
   bool SHRigidBodyComponent::IsAllowedToSleep() const noexcept
   {
-    return flags & (1U << 1);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    return rp3dBody->isAllowedToSleep();
   }
 
   bool SHRigidBodyComponent::IsInterpolating() const noexcept
@@ -70,67 +71,151 @@ namespace SHADE
 
   float SHRigidBodyComponent::GetMass() const noexcept
   {
-    return mass;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return 0.0f;
+    }
+
+    return rp3dBody->getMass();
   }
 
   float SHRigidBodyComponent::GetDrag() const noexcept
   {
-    return drag;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return 0.0f;
+    }
+
+    return rp3dBody->getLinearDamping();
   }
 
   float SHRigidBodyComponent::GetAngularDrag() const noexcept
   {
-    return angularDrag;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return 0.0f;
+    }
+
+    return rp3dBody->getAngularDamping();
   }
 
   bool SHRigidBodyComponent::GetFreezePositionX() const noexcept
   {
-    return flags & (1U << 2);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    const auto& LINEAR_CONSTRAINTS = rp3dBody->getLinearLockAxisFactor();
+    return SHMath::CompareFloat(LINEAR_CONSTRAINTS.x, 0.0f);
   }
 
   bool SHRigidBodyComponent::GetFreezePositionY() const noexcept
   {
-    return flags & (1U << 3);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    const auto& LINEAR_CONSTRAINTS = rp3dBody->getLinearLockAxisFactor();
+    return SHMath::CompareFloat(LINEAR_CONSTRAINTS.y, 0.0f);
   }
 
   bool SHRigidBodyComponent::GetFreezePositionZ() const noexcept
   {
-    return flags & (1U << 4);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    const auto& LINEAR_CONSTRAINTS = rp3dBody->getLinearLockAxisFactor();
+    return SHMath::CompareFloat(LINEAR_CONSTRAINTS.z, 0.0f);
   }
 
   bool SHRigidBodyComponent::GetFreezeRotationX() const noexcept
   {
-    return flags & (1U << 5);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    const auto& ANGULAR_CONSTRAINTS = rp3dBody->getAngularLockAxisFactor();
+    return SHMath::CompareFloat(ANGULAR_CONSTRAINTS.x, 0.0f);
   }
 
   bool SHRigidBodyComponent::GetFreezeRotationY() const noexcept
   {
-    return flags & (1U << 6);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
+    }
+
+    const auto& ANGULAR_CONSTRAINTS = rp3dBody->getAngularLockAxisFactor();
+    return SHMath::CompareFloat(ANGULAR_CONSTRAINTS.y, 0.0f);
   }
 
   bool SHRigidBodyComponent::GetFreezeRotationZ() const noexcept
   {
-    return flags & (1U << 7);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
     }
 
-  const SHVec3& SHRigidBodyComponent::GetForce() const noexcept
-  {
-    return force;
+    const auto& ANGULAR_CONSTRAINTS = rp3dBody->getAngularLockAxisFactor();
+    return SHMath::CompareFloat(ANGULAR_CONSTRAINTS.z, 0.0f);
   }
 
-  const SHVec3& SHRigidBodyComponent::GetTorque() const noexcept
+  SHVec3 SHRigidBodyComponent::GetForce() const noexcept
   {
-    return torque;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return false;
     }
 
-  const SHVec3& SHRigidBodyComponent::GetLinearVelocity() const noexcept
-  {
-    return linearVelocity;
+    return rp3dBody->getForce();
   }
 
-  const SHVec3& SHRigidBodyComponent::GetAngularVelocity() const noexcept
+  SHVec3 SHRigidBodyComponent::GetTorque() const noexcept
   {
-    return angularVelocity;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return SHVec3::Zero;
+    }
+
+    return rp3dBody->getTorque();
+  }
+
+  SHVec3 SHRigidBodyComponent::GetLinearVelocity() const noexcept
+  {
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return SHVec3::Zero;
+    }
+
+    return rp3dBody->getLinearVelocity();
+  }
+
+  SHVec3 SHRigidBodyComponent::GetAngularVelocity() const noexcept
+  {
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return SHVec3::Zero;
+    }
+
+    return rp3dBody->getAngularVelocity();
   }
 
   const SHVec3& SHRigidBodyComponent::GetPosition() const noexcept
@@ -157,8 +242,15 @@ namespace SHADE
     if (type == newType)
       return;
 
-    dirtyFlags |=  1U << 4;
     type = newType;
+
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->setType(static_cast<rp3d::BodyType>(type));
   }
 
   void SHRigidBodyComponent::SetGravityEnabled(bool enableGravity) noexcept
@@ -171,8 +263,13 @@ namespace SHADE
       return;
     }
 
-    dirtyFlags |= 1U << FLAG_POS;
-    enableGravity ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->enableGravity(enableGravity);
   }
 
   void SHRigidBodyComponent::SetIsAllowedToSleep(bool isAllowedToSleep) noexcept
@@ -185,92 +282,127 @@ namespace SHADE
       return;
     }
 
-    dirtyFlags |= 1U << 1;
-    isAllowedToSleep ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->setIsAllowedToSleep(isAllowedToSleep);
   }
 
   void SHRigidBodyComponent::SetFreezePositionX(bool freezePositionX) noexcept
   {
-    static constexpr int FLAG_POS = 2;
-
     if (type == Type::STATIC)
     {
       SHLOG_WARNING("Cannot set linear constraints of a static object {}", GetEID())
       return;
     }
 
-    dirtyFlags |= 1U << 2;
-    freezePositionX ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    auto linearConstraints = rp3dBody->getLinearLockAxisFactor();
+    linearConstraints.x = freezePositionX ? 0.0f : 1.0f;
+    rp3dBody->setLinearLockAxisFactor(linearConstraints);
   }
 
   void SHRigidBodyComponent::SetFreezePositionY(bool freezePositionY) noexcept
   {
-    static constexpr int FLAG_POS = 3;
-
     if (type == Type::STATIC)
     {
       SHLOG_WARNING("Cannot set linear constraints of a static object {}", GetEID())
       return;
     }
 
-    dirtyFlags |= 1U << 2;
-    freezePositionY ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    auto linearConstraints = rp3dBody->getLinearLockAxisFactor();
+    linearConstraints.y = freezePositionY ? 0.0f : 1.0f;
+    rp3dBody->setLinearLockAxisFactor(linearConstraints);
   }
 
   void SHRigidBodyComponent::SetFreezePositionZ(bool freezePositionZ) noexcept
   {
-    static constexpr int FLAG_POS = 4;
-
     if (type == Type::STATIC)
     {
       SHLOG_WARNING("Cannot set linear constraints of a static object {}", GetEID())
       return;
     }
 
-    dirtyFlags |= 1U << 2;
-    freezePositionZ ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    auto linearConstraints = rp3dBody->getLinearLockAxisFactor();
+    linearConstraints.z = freezePositionZ ? 0.0f : 1.0f;
+    rp3dBody->setLinearLockAxisFactor(linearConstraints);
   }
 
   void SHRigidBodyComponent::SetFreezeRotationX(bool freezeRotationX) noexcept
   {
-    static constexpr int FLAG_POS = 5;
-
     if (type == Type::STATIC)
     {
       SHLOG_WARNING("Cannot set angular constraints of a static object {}", GetEID())
       return;
     }
 
-    dirtyFlags |= 1U << 3;
-    freezeRotationX ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    auto angularConstraints = rp3dBody->getAngularLockAxisFactor();
+    angularConstraints.x = freezeRotationX ? 0.0f : 1.0f;
+    rp3dBody->setAngularLockAxisFactor(angularConstraints);
   }
 
   void SHRigidBodyComponent::SetFreezeRotationY(bool freezeRotationY) noexcept
   {
-    static constexpr int FLAG_POS = 6;
-
     if (type == Type::STATIC)
     {
       SHLOG_WARNING("Cannot set angular constraints of a static object {}", GetEID())
       return;
     }
 
-    dirtyFlags |= 1U << 3;
-    freezeRotationY ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    auto angularConstraints = rp3dBody->getAngularLockAxisFactor();
+    angularConstraints.y = freezeRotationY ? 0.0f : 1.0f;
+    rp3dBody->setAngularLockAxisFactor(angularConstraints);
   }
 
   void SHRigidBodyComponent::SetFreezeRotationZ(bool freezeRotationZ) noexcept
   {
-    static constexpr int FLAG_POS = 7;
-
     if (type == Type::STATIC)
     {
       SHLOG_WARNING("Cannot set angular constraints of a static object {}", GetEID())
       return;
     }
 
-    dirtyFlags |= 1U << 3;
-    freezeRotationZ ? flags |= (1U << FLAG_POS) : flags &= ~(1U << FLAG_POS);
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    auto angularConstraints = rp3dBody->getAngularLockAxisFactor();
+    angularConstraints.z = freezeRotationZ ? 0.0f : 1.0f;
+    rp3dBody->setAngularLockAxisFactor(angularConstraints);
   }
 
   void SHRigidBodyComponent::SetInterpolate(bool allowInterpolation) noexcept
@@ -286,8 +418,13 @@ namespace SHADE
         return;
     }
 
-    dirtyFlags |=  1U << 5;
-    mass = newMass;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+        return;
+    }
+
+    rp3dBody->setMass(newMass);
   }
 
   void SHRigidBodyComponent::SetDrag(float newDrag) noexcept
@@ -298,8 +435,13 @@ namespace SHADE
       return;
     }
 
-    dirtyFlags |=  1U << 6;
-    drag = newDrag;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->setLinearDamping(newDrag);
   }
 
   void SHRigidBodyComponent::SetAngularDrag(float newAngularDrag) noexcept
@@ -310,8 +452,13 @@ namespace SHADE
       return;
     }
 
-    dirtyFlags |=  1U << 7;
-    angularDrag = newAngularDrag;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->setLinearDamping(newAngularDrag);
   }
 
   void SHRigidBodyComponent::SetLinearVelocity(const SHVec3& newLinearVelocity) noexcept
@@ -322,8 +469,13 @@ namespace SHADE
       return;
     }
 
-    dirtyFlags |= 1U << 8;
-    linearVelocity = newLinearVelocity;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->setLinearVelocity(newLinearVelocity);
   }
 
   void SHRigidBodyComponent::SetAngularVelocity(const SHVec3& newAngularVelocity) noexcept
@@ -334,8 +486,13 @@ namespace SHADE
       return;
     }
 
-    dirtyFlags |= 1U << 9;
-    angularVelocity = newAngularVelocity;
+    if (rp3dBody == nullptr)
+    {
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
+      return;
+    }
+
+    rp3dBody->setAngularVelocity(newAngularVelocity);
   }
 
   /*-----------------------------------------------------------------------------------*/
@@ -346,7 +503,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -357,7 +514,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -368,7 +525,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -379,7 +536,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -390,7 +547,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -401,7 +558,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -412,7 +569,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 
@@ -423,7 +580,7 @@ namespace SHADE
   {
     if (rp3dBody == nullptr)
     {
-      SHLOGV_ERROR("Entity {} is missing an rp3dBody!", GetEID())
+      SHLOG_ERROR("Missing rp3dBody from Entity {}", GetEID())
       return;
     }
 

SHADE_Engine/src/Physics/Components/SHRigidBodyComponent.h

@@ -94,10 +94,10 @@ namespace SHADE
     [[nodiscard]] bool                GetFreezeRotationY  ()  const noexcept;
     [[nodiscard]] bool                GetFreezeRotationZ  ()  const noexcept;
 
-    [[nodiscard]] const SHVec3&       GetForce            ()  const noexcept;
-    [[nodiscard]] const SHVec3&       GetTorque           ()  const noexcept;
-    [[nodiscard]] const SHVec3&       GetLinearVelocity   ()  const noexcept;
-    [[nodiscard]] const SHVec3&       GetAngularVelocity  ()  const noexcept;
+    [[nodiscard]] SHVec3              GetForce            ()  const noexcept;
+    [[nodiscard]] SHVec3              GetTorque           ()  const noexcept;
+    [[nodiscard]] SHVec3              GetLinearVelocity   ()  const noexcept;
+    [[nodiscard]] SHVec3              GetAngularVelocity  ()  const noexcept;
 
     [[nodiscard]] const SHVec3&       GetPosition         ()  const noexcept;
     [[nodiscard]] const SHQuaternion& GetOrientation      ()  const noexcept;
@@ -150,25 +150,10 @@ namespace SHADE
     static constexpr size_t NUM_DIRTY_FLAGS = 16;
 
     Type                        type;
-
-    // rX rY rZ pX pY pZ slp g
-    uint8_t           flags;
-    // 0 0 0 0 0 0 aV lV aD d m t ag lc slp g
-    uint16_t          dirtyFlags;
     bool                        interpolate;
 
     reactphysics3d::RigidBody*  rp3dBody;
 
-    float             mass;
-    float             drag;
-    float             angularDrag;
-
-    SHVec3            force;
-    SHVec3            linearVelocity;
-
-    SHVec3            torque;
-    SHVec3            angularVelocity;
-
     SHVec3                      position;
     SHQuaternion                orientation;
 

SHADE_Engine/src/Physics/SHCollider.cpp

@@ -17,6 +17,7 @@
 #include "Math/Geometry/SHBoundingSphere.h"
 #include "Math/Transform/SHTransformComponent.h"
 #include "Math/SHMathHelpers.h"
+#include "Reflection/SHReflectionMetadata.h"
 
 namespace SHADE
 {
@@ -158,6 +159,11 @@ namespace SHADE
     return positionOffset;
   }
 
+  const SHVec3& SHCollider::GetRotationOffset() const noexcept
+  {
+    return rotationOffset;
+  }
+
   SHShape* SHCollider::GetShape() noexcept
   {
     dirty = true;
@@ -275,6 +281,12 @@ namespace SHADE
     }
   }
 
+  void SHCollider::SetRotationOffset(const SHVec3& rotOffset) noexcept
+  {
+    dirty = true;
+    rotationOffset = rotOffset;
+  }
+
   /*-----------------------------------------------------------------------------------*/
   /* Private Function Member Definitions                                               */
   /*-----------------------------------------------------------------------------------*/
@@ -316,5 +328,6 @@ RTTR_REGISTRATION
   );
 
   registration::class_<SHCollider>("Collider")
-    .property("Position Offset", &SHCollider::GetPositionOffset, &SHCollider::SetPositionOffset);
+    .property("Position Offset", &SHCollider::GetPositionOffset, &SHCollider::SetPositionOffset)
+    .property("Rotation Offset", &SHCollider::GetRotationOffset, &SHCollider::SetRotationOffset) (metadata(META::angleInRad, true));
 }

SHADE_Engine/src/Physics/SHCollider.h

@@ -80,6 +80,7 @@ namespace SHADE
     [[nodiscard]] const SHPhysicsMaterial&  GetMaterial       ()  const noexcept;
 
     [[nodiscard]] const SHVec3&             GetPositionOffset ()  const noexcept;
+    [[nodiscard]] const SHVec3&             GetRotationOffset ()  const noexcept;
 
     [[nodiscard]] SHShape*                  GetShape          ()  noexcept;
 
@@ -96,7 +97,8 @@ namespace SHADE
     void    SetDensity          (float density)                         noexcept;
     void    SetMaterial         (const SHPhysicsMaterial& newMaterial)  noexcept;
 
-    void    SetPositionOffset   (const SHVec3& positionOffset)  noexcept;
+    void    SetPositionOffset   (const SHVec3& posOffset) noexcept;
+    void    SetRotationOffset   (const SHVec3& rotOffset) noexcept;
 
   private:
     /*---------------------------------------------------------------------------------*/
@@ -110,6 +112,7 @@ namespace SHADE
     SHShape*          shape;
     SHPhysicsMaterial material;
     SHVec3            positionOffset;
+    SHVec3            rotationOffset;
 
     /*---------------------------------------------------------------------------------*/
     /* Function Members                                                                */

SHADE_Engine/src/Physics/SHPhysicsObject.cpp

@@ -130,6 +130,8 @@ namespace SHADE
 
   int SHPhysicsObject::AddCollider(SHCollider* collider)
   {
+    const rp3d::Transform OFFSETS{ collider->GetPositionOffset(), collider->GetRotationOffset() };
+
     switch (collider->GetType())
     {
       case SHCollider::Type::BOX:
@@ -137,7 +139,7 @@ namespace SHADE
         const auto* box = reinterpret_cast<SHBoundingBox*>(collider->GetShape());
         rp3d::BoxShape* newBox = factory->createBoxShape(box->GetHalfExtents());
 
-        rp3dBody->addCollider(newBox, rp3d::Transform{ collider->GetPositionOffset(), SHQuaternion::Identity });
+        rp3dBody->addCollider(newBox, OFFSETS);
         break;
       }
       case SHCollider::Type::SPHERE:
@@ -145,7 +147,7 @@ namespace SHADE
         const auto* sphere = reinterpret_cast<SHBoundingSphere*>(collider->GetShape());
         rp3d::SphereShape* newSphere = factory->createSphereShape(sphere->GetRadius());
 
-        rp3dBody->addCollider(newSphere, rp3d::Transform{ collider->GetPositionOffset(), SHQuaternion::Identity });
+        rp3dBody->addCollider(newSphere, OFFSETS);
         break;
       }
       // TODO(Diren): Add more collider shapes
@@ -168,96 +170,6 @@ namespace SHADE
       rp3dBody->removeCollider(collider);
   }
 
-  void SHPhysicsObject::SyncRigidBody(SHRigidBodyComponent* rb) const noexcept
-  {
-    SHASSERT(rp3dBody != nullptr, "ReactPhysics body does not exist!")
-
-    if (rb->dirtyFlags == 0)
-      return;
-
-    auto* rigidBody = reinterpret_cast<rp3d::RigidBody*>(rp3dBody);
-
-    const uint16_t RB_FLAGS = rb->dirtyFlags;
-    for (size_t i = 0; i < SHRigidBodyComponent::NUM_DIRTY_FLAGS; ++i)
-    {
-      // Check if current dirty flag has been set to true
-      if (RB_FLAGS & 1U << i)
-      {
-        switch (i)
-        {
-          case 0: // Gravity
-          {
-            rigidBody->enableGravity(rb->IsGravityEnabled());
-            break;
-          }
-          case 1: // Sleeping
-          {
-            rigidBody->setIsAllowedToSleep(rb->IsAllowedToSleep());
-            break;
-          }
-          case 2: // Linear Constraints
-          {
-            const rp3d::Vector3 CONSTRAINTS
-            {
-              rb->flags & 1U << 2 ? 0.0f : 1.0f,
-              rb->flags & 1U << 3 ? 0.0f : 1.0f,
-              rb->flags & 1U << 4 ? 0.0f : 1.0f
-            };
-
-    
-            rigidBody->setLinearLockAxisFactor(CONSTRAINTS);
-            break;
-          }
-          case 3: // Angular Constraints
-          {
-            const rp3d::Vector3 CONSTRAINTS
-            {
-              rb->flags & 1U << 5 ? 0.0f : 1.0f,
-              rb->flags & 1U << 6 ? 0.0f : 1.0f,
-              rb->flags & 1U << 7 ? 0.0f : 1.0f
-            };
-
-            rigidBody->setAngularLockAxisFactor(CONSTRAINTS);
-            break;
-          }
-          case 4: // Type
-          {
-            rigidBody->setType(static_cast<rp3d::BodyType>(rb->GetType()));
-            break;
-          }
-          case 5: // Mass
-          {
-            rigidBody->setMass(rb->GetMass());
-            break;
-          }
-          case 6: // Drag
-          {
-            rigidBody->setLinearDamping(rb->GetDrag());
-            break;
-          }
-          case 7: // Angular Drag
-          {
-            rigidBody->setAngularDamping(rb->GetAngularDrag());
-            break;
-          }
-          case 8: // Linear Velocity
-          {
-            rigidBody->setLinearVelocity(rb->GetLinearVelocity());
-            break;
-          }
-          case 9: // Angular Velocity
-          {
-            rigidBody->setAngularVelocity(rb->GetAngularVelocity());
-            break;
-          }
-          default: break;
-        }
-      }
-    }
-
-    rb->dirtyFlags = 0;
-  }
-
   void SHPhysicsObject::SyncColliders(SHColliderComponent* c) const noexcept
   {
     int index = 0;
@@ -266,9 +178,13 @@ namespace SHADE
       if (!collider.dirty)
         continue;
 
-      // Update offsets
       auto* rp3dCollider = rp3dBody->getCollider(index);
-      rp3dCollider->setLocalToBodyTransform(rp3d::Transform(collider.GetPositionOffset(), SHQuaternion::Identity));
+
+      // Update trigger flag
+      rp3dCollider->setIsTrigger(collider.IsTrigger());
+
+      // Update offsets
+      rp3dCollider->setLocalToBodyTransform(rp3d::Transform(collider.GetPositionOffset(), collider.GetRotationOffset()));
 
       switch (collider.GetType())
       {
@@ -293,6 +209,8 @@ namespace SHADE
         default: break;
       }
 
+      // TODO(Diren): Update Material
+
       collider.dirty = false;
       ++index;
     }

SHADE_Engine/src/Physics/SHPhysicsObject.h

@@ -72,7 +72,6 @@ namespace SHADE
     int   AddCollider           (SHCollider* collider);
     void  RemoveCollider        (int index);
 
-    void  SyncRigidBody         (SHRigidBodyComponent* rb)    const noexcept;
     void  SyncColliders         (SHColliderComponent* c)      const noexcept;
 
   private:

SHADE_Engine/src/Physics/SHPhysicsSystem.cpp

@@ -17,10 +17,10 @@
 #include "ECS_Base/Managers/SHComponentManager.h"
 #include "ECS_Base/Managers/SHEntityManager.h"
 #include "ECS_Base/Managers/SHSystemManager.h"
-#include "Editor/SHEditor.h"
 #include "Math/SHMathHelpers.h"
-#include "Scene/SHSceneManager.h"
 #include "Math/Transform/SHTransformComponent.h"
+#include "Scene/SHSceneManager.h"
+#include "Scripting/SHScriptEngine.h"
 
 namespace SHADE
 {
@@ -99,6 +99,16 @@ namespace SHADE
     return 0;
   }
 
+  const SHPhysicsSystem::CollisionEvents& SHPhysicsSystem::GetCollisionInfo() const noexcept
+  {
+    return collisionInfo;
+  }
+
+  const SHPhysicsSystem::CollisionEvents& SHPhysicsSystem::GetTriggerInfo() const noexcept
+  {
+    return triggerInfo;
+  }
+
   /*-----------------------------------------------------------------------------------*/
   /* Setter Function Definitions                                                       */
   /*-----------------------------------------------------------------------------------*/
@@ -187,6 +197,7 @@ namespace SHADE
     settings.defaultBounciness                  = 0.0f;
     
     world = factory.createPhysicsWorld(settings);
+    world->setEventListener(this);
 
     // Set up solvers
     world->setContactsPositionCorrectionTechnique(rp3d::ContactsPositionCorrectionTechnique::SPLIT_IMPULSES);
@@ -200,6 +211,12 @@ namespace SHADE
     const std::shared_ptr REMOVE_COMPONENT_RECEIVER { std::make_shared<SHEventReceiverSpec<SHPhysicsSystem>>(this, &SHPhysicsSystem::RemovePhysicsComponent) };
     const ReceiverPtr REMOVE_COMPONENT_RECEIVER_PTR = std::dynamic_pointer_cast<SHEventReceiver>(REMOVE_COMPONENT_RECEIVER);
     SHEventManager::SubscribeTo(SH_COMPONENT_REMOVED_EVENT, REMOVE_COMPONENT_RECEIVER_PTR);
+
+    #ifdef SHEDITOR
+        const std::shared_ptr EDITOR_STOP_RECEIVER { std::make_shared<SHEventReceiverSpec<SHPhysicsSystem>>(this, &SHPhysicsSystem::ResetWorld) };
+        const ReceiverPtr EDITOR_STOP_RECEIVER_PTR = std::dynamic_pointer_cast<SHEventReceiver>(EDITOR_STOP_RECEIVER);
+        SHEventManager::SubscribeTo(SH_EDITOR_ON_STOP_EVENT, EDITOR_STOP_RECEIVER_PTR);
+    #endif
   }
 
   void SHPhysicsSystem::Exit()
@@ -247,6 +264,9 @@ namespace SHADE
         continue;
 
       const auto* transformComponent  = SHComponentManager::GetComponent_s<SHTransformComponent>(entityID);
+      auto* rigidBodyComponent        = SHComponentManager::GetComponent_s<SHRigidBodyComponent>(entityID);
+      auto* colliderComponent         = SHComponentManager::GetComponent_s<SHColliderComponent>(entityID);
+
       if (transformComponent && transformComponent->HasChanged())
       {
         const auto WORLD_POS = transformComponent->GetWorldPosition();
@@ -255,68 +275,119 @@ namespace SHADE
         physicsObject.SetPosition(WORLD_POS);
         physicsObject.SetOrientation(WORLD_ROT);
 
-        auto* rigidBodyComponent = SHComponentManager::GetComponent_s<SHRigidBodyComponent>(entityID);
+        // Sync physics component transforms
+
         if (rigidBodyComponent)
         {
           rigidBodyComponent->position    = WORLD_POS;
           rigidBodyComponent->orientation = WORLD_ROT;
-
-          // Clear all forces and velocities if editor is stopped
-          if (SHSystemManager::GetSystem<SHEditor>()->editorState == SHEditor::State::STOP)
-          {
-            auto* rp3dRigidBody = reinterpret_cast<rp3d::RigidBody*>(physicsObject.rp3dBody);
-            rp3dRigidBody->resetForce();
-            rp3dRigidBody->resetTorque();
-            rp3dRigidBody->setLinearVelocity(SHVec3::Zero);
-            rp3dRigidBody->setAngularVelocity(SHVec3::Zero);
-          }
         }
 
-        auto* colliderComponent = SHComponentManager::GetComponent_s<SHColliderComponent>(entityID);
         if (colliderComponent)
         {
           colliderComponent->position    = WORLD_POS;
           colliderComponent->orientation = WORLD_ROT;
         }
       }
+
+      // Sync rigid bodies
+
+      if (rigidBodyComponent)
+      {
+        // Sync active states
+        const bool COMPONENT_ACTIVE = rigidBodyComponent->isActive;
+        SyncActiveStates(physicsObject, COMPONENT_ACTIVE);
+
+        if (!COMPONENT_ACTIVE)
+          continue;
       }
 
-    // Update bodies and colliders if component is dirty
-    system->SyncRigidBodyComponents(SHComponentManager::GetDense<SHRigidBodyComponent>());
-    system->SyncColliderComponents(SHComponentManager::GetDense<SHColliderComponent>());
+      // Sync colliders
+
+      if (colliderComponent)
+      {
+        const bool COMPONENT_ACTIVE = colliderComponent->isActive;
+        SyncActiveStates(physicsObject, colliderComponent->isActive);
+
+        if (!COMPONENT_ACTIVE)
+          continue;
+
+        physicsObject.SyncColliders(colliderComponent);
+      }
+    }
   }
 
   void SHPhysicsSystem::PhysicsFixedUpdate::Execute(double dt) noexcept
   {
-    auto* system = reinterpret_cast<SHPhysicsSystem*>(GetSystem());
-    fixedTimeStep = 1.0 / system->fixedDT;
+    auto* physicsSystem   = reinterpret_cast<SHPhysicsSystem*>(GetSystem());
+    auto* scriptingSystem = SHSystemManager::GetSystem<SHScriptEngine>();
+    if (scriptingSystem == nullptr)
+    {
+        SHLOGV_WARNING("Unable to invoke FixedUpdate() on scripts due to missing SHScriptEngine!");
+    }
+
+    fixedTimeStep = 1.0 / physicsSystem->fixedDT;
     accumulatedTime += dt;
 
     int count = 0;
     while (accumulatedTime > fixedTimeStep)
     {
-      system->world->update(static_cast<rp3d::decimal>(fixedTimeStep));
+      if (scriptingSystem != nullptr)
+        scriptingSystem->ExecuteFixedUpdates();
+      
+      physicsSystem->world->update(static_cast<rp3d::decimal>(fixedTimeStep));
 
       accumulatedTime -= fixedTimeStep;
       ++count;
     }
 
     stats.numSteps = count;
-    system->worldUpdated = count > 0;
+    physicsSystem->worldUpdated = count > 0;
     
-    system->interpolationFactor = accumulatedTime / fixedTimeStep;
+    physicsSystem->interpolationFactor = accumulatedTime / fixedTimeStep;
   }
 
   void SHPhysicsSystem::PhysicsPostUpdate::Execute(double) noexcept
   {
-    auto* system = reinterpret_cast<SHPhysicsSystem*>(GetSystem());
+    auto* physicsSystem = reinterpret_cast<SHPhysicsSystem*>(GetSystem());
+    auto* scriptingSystem = SHSystemManager::GetSystem<SHScriptEngine>();
+    if (scriptingSystem == nullptr)
+    {
+        SHLOGV_WARNING("Unable to invoke collision and trigger script events due to missing SHScriptEngine!");
+    }
 
     // Interpolate transforms for rendering
-    if (system->worldUpdated)
+    if (physicsSystem->worldUpdated)
     {
-      system->SyncTransforms();
+      physicsSystem->SyncTransforms();
 
-      // TODO(Diren): Handle trigger messages for scripting
+      // Collision & Trigger messages
+      if (scriptingSystem != nullptr)
+        scriptingSystem->ExecuteCollisionFunctions();
+
+      physicsSystem->ClearInvalidCollisions();
+    }
+  }
+
+  void SHPhysicsSystem::onContact(const CallbackData& callbackData)
+  {
+    for (uint32_t i = 0; i < callbackData.getNbContactPairs(); ++i)
+    {
+      const auto CONTACT_PAIR           = callbackData.getContactPair(i);
+      const SHCollisionEvent NEW_EVENT  = GenerateCollisionEvent(CONTACT_PAIR);
+
+      UpdateEventContainers(NEW_EVENT, collisionInfo);
+    }
+  }
+
+  void SHPhysicsSystem::onTrigger(const rp3d::OverlapCallback::CallbackData& callbackData)
+  {
+    for (uint32_t i = 0; i < callbackData.getNbOverlappingPairs(); ++i)
+    {
+      const auto& OVERLAP_PAIR          = callbackData.getOverlappingPair(i);
+      const SHCollisionEvent NEW_EVENT  = GenerateCollisionEvent(OVERLAP_PAIR);
+
+      UpdateEventContainers(NEW_EVENT, triggerInfo);
     }
   }
 
@@ -353,58 +424,11 @@ namespace SHADE
     map.erase(entityID);
   }
 
-  void SHPhysicsSystem::SyncActiveStates(SHPhysicsObject* physicsObject, bool componentActive) noexcept
+  void SHPhysicsSystem::SyncActiveStates(SHPhysicsObject& physicsObject, bool componentActive) noexcept
   {
-    const bool RP3D_ACTIVE = physicsObject->rp3dBody->isActive();
+    const bool RP3D_ACTIVE = physicsObject.rp3dBody->isActive();
     if (RP3D_ACTIVE != componentActive)
-      physicsObject->rp3dBody->setIsActive(componentActive);
-  }
-
-
-  void SHPhysicsSystem::SyncRigidBodyComponents(std::vector<SHRigidBodyComponent>& denseArray) noexcept
-  {
-    if (denseArray.empty())
-      return;
-
-    for (auto& comp : denseArray)
-    {
-      const EntityID ENTITY_ID = comp.GetEID();
-
-      // Get physicsObject
-      auto* physicsObject = GetPhysicsObject(ENTITY_ID);
-
-      // TODO(Diren): Check if active in hierarchy
-      const bool COMPONENT_ACTIVE = comp.isActive;
-      SyncActiveStates(physicsObject, COMPONENT_ACTIVE);
-
-      if (!COMPONENT_ACTIVE)
-        continue;
-
-      physicsObject->SyncRigidBody(&comp);
-    }
-  }
-
-  void SHPhysicsSystem::SyncColliderComponents(std::vector<SHColliderComponent>& denseArray) noexcept
-  {
-    if (denseArray.empty())
-      return;
-
-    for (auto& comp : denseArray)
-    {
-      const EntityID ENTITY_ID = comp.GetEID();
-
-      // Get physicsObject
-      auto* physicsObject = GetPhysicsObject(ENTITY_ID);
-
-      // TODO(Diren): Check if active in hierarchy
-      const bool COMPONENT_ACTIVE = comp.isActive;
-      SyncActiveStates(physicsObject, COMPONENT_ACTIVE);
-
-      if (!COMPONENT_ACTIVE)
-        continue;
-
-      physicsObject->SyncColliders(&comp);
-    }
+      physicsObject.rp3dBody->setIsActive(componentActive);
   }
 
   void SHPhysicsSystem::SyncTransforms() noexcept
@@ -459,15 +483,54 @@ namespace SHADE
       }
 
       // Convert RP3D Transform to SHADE
-      auto* transformComponent = SHComponentManager::GetComponent<SHTransformComponent>(entityID);
+      auto* transformComponent = SHComponentManager::GetComponent_s<SHTransformComponent>(entityID);
+
+      if (transformComponent != nullptr)
+      {
         transformComponent->SetWorldPosition(rp3dPos);
         transformComponent->SetWorldOrientation(rp3dRot);
+      }
 
       // Cache transforms
       physicsObject.prevTransform = CURRENT_TF;
     }
   }
 
+  void SHPhysicsSystem::UpdateEventContainers(const SHCollisionEvent& collisionEvent, CollisionEvents& container) noexcept
+  {
+    const auto IT = std::ranges::find_if(container.begin(), container.end(), [&](const SHCollisionEvent& e)
+    {
+      const bool ENTITY_MATCH     = e.value[0] == collisionEvent.value[0];
+      const bool COLLIDERS_MATCH  = e.value[1] == collisionEvent.value[1];
+      return ENTITY_MATCH && COLLIDERS_MATCH;
+    });
+
+    if (IT == container.end())
+      container.emplace_back(collisionEvent);
+    else
+      IT->collisionState = collisionEvent.collisionState;
+  }
+
+  void SHPhysicsSystem::ClearInvalidCollisions() noexcept
+  {
+    static const auto CLEAR = [](CollisionEvents& container)
+    {
+      for (auto eventIter = container.begin(); eventIter != container.end();)
+      {
+        const bool CLEAR_EVENT =  eventIter->GetCollisionState() == SHCollisionEvent::State::EXIT
+                              ||  eventIter->GetCollisionState() == SHCollisionEvent::State::INVALID;
+
+        if (CLEAR_EVENT)
+          eventIter = container.erase(eventIter);
+        else
+          ++eventIter;
+      }
+    };
+
+    CLEAR(collisionInfo);
+    CLEAR(triggerInfo);
+  }
+
   SHEventHandle SHPhysicsSystem::AddPhysicsComponent(SHEventPtr addComponentEvent)
   {
     const auto& EVENT_DATA = reinterpret_cast<const SHEventSpec<SHComponentAddedEvent>*>(addComponentEvent.get());
@@ -556,14 +619,21 @@ namespace SHADE
       const EntityID ENTITY_ID = EVENT_DATA->data->eid;
       auto* physicsObject = GetPhysicsObject(ENTITY_ID);
 
-      SHASSERT(physicsObject != nullptr, "Physics object has been lost from the world!")
+      auto* rigidBodyComponent = SHComponentManager::GetComponent_s<SHRigidBodyComponent>(ENTITY_ID);
+      auto* colliderComponent = SHComponentManager::GetComponent_s<SHColliderComponent>(ENTITY_ID);
 
-      if (REMOVED_ID == RIGID_BODY_ID)
+      // Wake up all physics objects
+      for (auto& [entityID, object] : map)
+      {
+        if (SHComponentManager::HasComponent<SHRigidBodyComponent>(entityID))
+          reinterpret_cast<rp3d::RigidBody*>(object.rp3dBody)->setIsSleeping(false);
+      }
+
+      if (REMOVED_ID == RIGID_BODY_ID && physicsObject != nullptr)
       {
         world->destroyRigidBody(reinterpret_cast<rp3d::RigidBody*>(physicsObject->rp3dBody));
         physicsObject->rp3dBody = nullptr;
 
-        auto* colliderComponent = SHComponentManager::GetComponent_s<SHColliderComponent>(ENTITY_ID);
         if (colliderComponent != nullptr)
         {
           // Preserve colliders as a collision body
@@ -575,16 +645,9 @@ namespace SHADE
           for (auto& collider : colliderComponent->colliders)
             physicsObject->AddCollider(&collider);
         }
-
-        // Wake up all physics objects
-        for (auto& [entityID, object] : map)
-        {
-          if (SHComponentManager::HasComponent<SHRigidBodyComponent>(entityID))
-            reinterpret_cast<rp3d::RigidBody*>(object.rp3dBody)->setIsSleeping(false);
-        }
       }
 
-      if (REMOVED_ID == COLLIDER_ID)
+      if (REMOVED_ID == COLLIDER_ID && physicsObject != nullptr)
       {
         // Remove all colliders
         const int NUM_COLLIDERS = static_cast<int>(physicsObject->rp3dBody->getNbColliders());
@@ -594,13 +657,36 @@ namespace SHADE
           auto* collider = physicsObject->rp3dBody->getCollider(i);
           physicsObject->rp3dBody->removeCollider(collider);
         }
+
+        // Check for a rigidbody component
+        if (rigidBodyComponent == nullptr)
+          physicsObject->rp3dBody = nullptr;
       }
 
-      if (physicsObject->rp3dBody == nullptr)
+      if (physicsObject != nullptr && physicsObject->rp3dBody == nullptr)
         DestroyPhysicsObject(ENTITY_ID);
     }
 
     return EVENT_DATA->handle;
   }
 
+  SHEventHandle SHPhysicsSystem::ResetWorld(SHEventPtr editorStopEvent)
+  {
+    // TODO(Diren): Rebuild world based on how scene reloading is done
+
+    for (auto& [entityID, physicsObject] : map)
+    {
+      if (SHComponentManager::HasComponent<SHRigidBodyComponent>(entityID))
+      {
+        auto* rp3dRigidBody = reinterpret_cast<rp3d::RigidBody*>(physicsObject.rp3dBody);
+        rp3dRigidBody->resetForce();
+        rp3dRigidBody->resetTorque();
+        rp3dRigidBody->setLinearVelocity(SHVec3::Zero);
+        rp3dRigidBody->setAngularVelocity(SHVec3::Zero);
+      }
+    }
+
+    return editorStopEvent->handle;
+  }
+
 } // namespace SHADE

SHADE_Engine/src/Physics/SHPhysicsSystem.h

@@ -23,16 +23,18 @@
 #include "Math/Transform/SHTransformComponent.h"
 #include "Scene/SHSceneGraph.h"
 #include "SHPhysicsObject.h"
-
+#include "SHPhysicsUtils.h"
 
 
 namespace SHADE
 {
+
   /*-----------------------------------------------------------------------------------*/
   /* Type Definitions                                                                  */
   /*-----------------------------------------------------------------------------------*/
 
   class SH_API SHPhysicsSystem final  : public SHSystem
+                                      , public rp3d::EventListener
   {
   public:
     /*---------------------------------------------------------------------------------*/
@@ -47,6 +49,8 @@ namespace SHADE
       bool      sleepingEnabled;
     };
 
+    using CollisionEvents = std::vector<SHCollisionEvent>;
+
     /*---------------------------------------------------------------------------------*/
     /* Constructors & Destructor                                                       */
     /*---------------------------------------------------------------------------------*/
@@ -65,6 +69,9 @@ namespace SHADE
     [[nodiscard]] uint16_t  GetNumberVelocityIterations   ()  const noexcept;
     [[nodiscard]] uint16_t  GetNumberPositionIterations   ()  const noexcept;
 
+    [[nodiscard]] const CollisionEvents& GetCollisionInfo ()  const noexcept;
+    [[nodiscard]] const CollisionEvents& GetTriggerInfo   ()  const noexcept;
+    
 
     /*---------------------------------------------------------------------------------*/
     /* Setter Functions                                                                */
@@ -85,14 +92,12 @@ namespace SHADE
     void  Init                  () override;
     void  Exit                  () override;
 
-    //void  AddRigidBody                (EntityID entityID) noexcept;
-    //void  AddCollider                 (EntityID entityID) noexcept;
-    //void  RemoveRigidBody             (EntityID entityID) noexcept;
-    //void  RemoveCollider              (EntityID entityID) noexcept;
-
     void  AddCollisionShape     (EntityID entityID, SHCollider* collider);
     void  RemoveCollisionShape  (EntityID entityID, int index);
 
+    void onContact              (const rp3d::CollisionCallback::CallbackData& callbackData) override;
+    void onTrigger              (const rp3d::OverlapCallback::CallbackData& callbackData) override;
+
     /*---------------------------------------------------------------------------------*/
     /* System Routines                                                                 */
     /*---------------------------------------------------------------------------------*/
@@ -165,40 +170,32 @@ namespace SHADE
     rp3d::PhysicsCommon   factory;
 
     EntityObjectMap       map;
-
-
+    CollisionEvents       collisionInfo;
+    CollisionEvents       triggerInfo;
 
     /*---------------------------------------------------------------------------------*/
     /* Function Members                                                                */
     /*---------------------------------------------------------------------------------*/
+
     SHPhysicsObject*  EnsurePhysicsObject       (EntityID entityID) noexcept;
     SHPhysicsObject*  GetPhysicsObject          (EntityID entityID) noexcept;
     void              DestroyPhysicsObject      (EntityID entityID) noexcept;
 
-    void              SyncActiveStates          (SHPhysicsObject* physicsObject, bool componentActive)  noexcept;
-    void              SyncRigidBodyComponents   (std::vector<SHRigidBodyComponent>& denseArray)         noexcept;
-    void              SyncColliderComponents    (std::vector<SHColliderComponent>& denseArray)          noexcept;
+    static void       SyncActiveStates          (SHPhysicsObject& physicsObject, bool componentActive)  noexcept;
     void              SyncTransforms            ()                                                      noexcept;
 
+    static void       UpdateEventContainers     (const SHCollisionEvent& collisionEvent, CollisionEvents& container)  noexcept;
+    void              ClearInvalidCollisions    ()                                                              noexcept;
+
     SHEventHandle     AddPhysicsComponent       (SHEventPtr addComponentEvent);
     SHEventHandle     RemovePhysicsComponent    (SHEventPtr removeComponentEvent);
+    SHEventHandle     ResetWorld                (SHEventPtr editorStopEvent);
+
+    template <typename RP3DCollisionPair, typename = std::enable_if_t
+                                                    <std::is_same_v<RP3DCollisionPair, rp3d::CollisionCallback::ContactPair>
+                                                  || std::is_same_v<RP3DCollisionPair, rp3d::OverlapCallback::OverlapPair>>>
+    SHCollisionEvent GenerateCollisionEvent     (const RP3DCollisionPair& cp)           noexcept;
   };
-
-  /*-----------------------------------------------------------------------------------*/
-  /* Event Data Definitions                                                            */
-  /*-----------------------------------------------------------------------------------*/
-
-  struct SHPhysicsColliderAddedEvent
-  {
-    EntityID          entityID;
-    SHCollider::Type  colliderType;
-    int               colliderIndex;
-  };
-
-  struct SHPhysicsColliderRemovedEvent
-  {
-    EntityID          entityID;
-    int               colliderIndex;
-  };
-
 } // namespace SHADE
+
+#include "SHPhysicsSystem.hpp"

SHADE_Engine/src/Physics/SHPhysicsSystem.hpp

@@ -0,0 +1,84 @@
+/****************************************************************************************
+ * \file      SHPhysicsSystem.hpp
+ * \author    Diren D Bharwani, diren.dbharwani, 390002520
+ * \brief     Implementation for templated functions the Physics System
+ *
+ * \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
+ *            disclosure of this file or its contents without the prior written consent
+ *            of DigiPen Institute of Technology is prohibited.
+****************************************************************************************/
+
+#pragma once
+
+#include <type_traits>
+
+// Primary Header
+#include "SHPhysicsSystem.h"
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Private Function Member Definitions                                               */
+  /*-----------------------------------------------------------------------------------*/
+
+  template <typename RP3DCollisionPair, typename Condition>
+  SHCollisionEvent SHPhysicsSystem::GenerateCollisionEvent(const RP3DCollisionPair& cp) noexcept
+  {
+    static const auto MATCH_COLLIDER = []
+    (
+      const SHPhysicsObject&  physicsObject
+    , const rp3d::Entity      colliderID
+    )->uint32_t
+    {
+      for (uint32_t i = 0; i < physicsObject.rp3dBody->getNbColliders(); ++i)
+      {
+        const auto* collider = physicsObject.rp3dBody->getCollider(i);
+        if (collider->getEntity() == colliderID)
+          return i;
+      }
+
+      return std::numeric_limits<uint32_t>::max();
+    };
+
+    SHCollisionEvent cInfo;
+
+    // Update collision state
+    cInfo.collisionState = static_cast<SHCollisionEvent::State>(cp.getEventType());
+
+    // Match body and collider for collision event
+    const rp3d::Entity body1      = cp.getBody1()->getEntity();
+    const rp3d::Entity body2      = cp.getBody2()->getEntity();
+    const rp3d::Entity collider1  = cp.getCollider1()->getEntity();
+    const rp3d::Entity collider2  = cp.getCollider2()->getEntity();
+
+    // Find and match both ids
+    bool matched[2] = { false, false };
+
+    
+    for (auto& [entityID, physicsObject] : map)
+    {
+      // Match body 1
+      if (matched[SHCollisionEvent::ENTITY_A] == false && physicsObject.rp3dBody->getEntity() == body1)
+      {
+        cInfo.ids[SHCollisionEvent::ENTITY_A] = entityID;
+        cInfo.ids[SHCollisionEvent::COLLIDER_A] = MATCH_COLLIDER(physicsObject, collider1);
+
+        matched[SHCollisionEvent::ENTITY_A] = true;
+      }
+
+      // Match body 2
+      if (matched[SHCollisionEvent::ENTITY_B] == false && physicsObject.rp3dBody->getEntity() == body2)
+      {
+        cInfo.ids[SHCollisionEvent::ENTITY_B] = entityID;
+        cInfo.ids[SHCollisionEvent::COLLIDER_B] = MATCH_COLLIDER(physicsObject, collider2);
+
+        matched[SHCollisionEvent::ENTITY_B] = true;
+      }
+
+      if (matched[SHCollisionEvent::ENTITY_A] == true && matched[SHCollisionEvent::ENTITY_B] == true)
+        return cInfo;
+    }
+
+    return cInfo;
+  }
+} // namespace SHADE

SHADE_Engine/src/Physics/SHPhysicsSystemInterface.cpp

@@ -0,0 +1,65 @@
+/************************************************************************************//*!
+\file           SHPhysicsSystemInterface.cpp
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definitions of the functions of the static
+                SHPhysicsSystemInterface class.
+
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+// Precompiled Headers
+#include "SHpch.h"
+// Primary Header
+#include "SHPhysicsSystemInterface.h"
+// Project Includes
+#include "ECS_Base/Managers/SHSystemManager.h"
+#include "Physics/SHPhysicsSystem.h"
+#include "Physics/SHPhysicsUtils.h"
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Static Usage Functions                                                            */
+  /*-----------------------------------------------------------------------------------*/
+  const std::vector<SHCollisionEvent>& SHPhysicsSystemInterface::GetCollisionInfo() noexcept
+  {
+    static std::vector<SHCollisionEvent> emptyVec;
+
+    auto phySystem = SHSystemManager::GetSystem<SHPhysicsSystem>();
+    if (phySystem)
+    {
+      return phySystem->GetCollisionInfo();
+    }
+
+    SHLOG_WARNING("[SHPhysicsSystemInterface] Failed to get collision events. Empty vector returned instead.");
+    return emptyVec;
+  }
+  const std::vector<SHCollisionEvent>& SHPhysicsSystemInterface::GetTriggerInfo() noexcept
+  {
+    static std::vector<SHCollisionEvent> emptyVec;
+
+    auto phySystem = SHSystemManager::GetSystem<SHPhysicsSystem>();
+    if (phySystem)
+    {
+      return phySystem->GetTriggerInfo(); 
+    }
+
+    SHLOG_WARNING("[SHPhysicsSystemInterface] Failed to get trigger events. Empty vector returned instead.");
+    return emptyVec;
+  }
+
+  double SHPhysicsSystemInterface::GetFixedDT() noexcept
+  {
+    auto phySystem = SHSystemManager::GetSystem<SHPhysicsSystem>();
+    if (phySystem)
+    {
+      return phySystem->GetFixedDT();
+    }
+
+    SHLOG_WARNING("[SHPhysicsSystemInterface] Failed to get fixed delta time. 0.0 returned instead.");
+    return 0.0;
+  }
+}

SHADE_Engine/src/Physics/SHPhysicsSystemInterface.h

@@ -0,0 +1,46 @@
+/************************************************************************************//*!
+\file           SHPhysicsSystemInterface.h
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definition of the SHGraphicsSystemInterface static class.
+
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+
+// STL Includes
+#include <vector>
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Forward Declarations                                                              */
+  /*-----------------------------------------------------------------------------------*/
+  class SHCollisionEvent;
+
+  /*-----------------------------------------------------------------------------------*/
+  /* Type Definitions                                                                  */
+  /*-----------------------------------------------------------------------------------*/
+  /// <summary>
+  /// Static class that wraps up certain functions in the SHPhysicsSystem so that 
+  /// accessing it from SHADE_Managed would not cause issues due to C++20 features.
+  /// </summary>
+  class SH_API SHPhysicsSystemInterface final
+  {
+    public:
+    /*---------------------------------------------------------------------------------*/
+    /* Constructor                                                                     */
+    /*---------------------------------------------------------------------------------*/
+    SHPhysicsSystemInterface() = delete;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Static Usage Functions                                                          */
+    /*---------------------------------------------------------------------------------*/
+    [[nodiscard]] static const std::vector<SHCollisionEvent>& GetCollisionInfo() noexcept;
+    [[nodiscard]] static const std::vector<SHCollisionEvent>& GetTriggerInfo() noexcept;
+    [[nodiscard]] static double GetFixedDT() noexcept;
+  };
+}

SHADE_Engine/src/Physics/SHPhysicsUtils.cpp

@@ -0,0 +1,93 @@
+/****************************************************************************************
+ * \file      SHPhysicsUtils.cpp
+ * \author    Diren D Bharwani, diren.dbharwani, 390002520
+ * \brief     Implementation for some Physics Utilities
+ *
+ * \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
+ *            disclosure of this file or its contents without the prior written consent
+ *            of DigiPen Institute of Technology is prohibited.
+****************************************************************************************/
+
+#include <SHpch.h>
+
+// Primary Header
+#include "SHPhysicsUtils.h"
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Constructors & Destructor Definitions                                             */
+  /*-----------------------------------------------------------------------------------*/
+
+  SHCollisionEvent::SHCollisionEvent() noexcept
+  : collisionState  { State::INVALID }
+  {
+    ids[ENTITY_A]   = MAX_EID;
+    ids[ENTITY_B]   = MAX_EID;
+    ids[COLLIDER_A] = std::numeric_limits<uint32_t>::max();
+    ids[COLLIDER_B] = std::numeric_limits<uint32_t>::max();
+  }
+
+  SHCollisionEvent::SHCollisionEvent(EntityID entityA, EntityID entityB) noexcept
+  : collisionState  { State::INVALID }
+  {
+    ids[ENTITY_A]   = entityA;
+    ids[ENTITY_B]   = entityB;
+    ids[COLLIDER_A] = std::numeric_limits<uint32_t>::max();
+    ids[COLLIDER_B] = std::numeric_limits<uint32_t>::max();
+  }
+
+  /*-----------------------------------------------------------------------------------*/
+  /* Operator Overload Definitions                                                     */
+  /*-----------------------------------------------------------------------------------*/
+
+  bool SHCollisionEvent::operator==(const SHCollisionEvent& rhs) const noexcept
+  {
+    return value[0] == rhs.value[0] && value[1] == rhs.value[1];
+  }
+
+  bool SHCollisionEvent::operator!=(const SHCollisionEvent& rhs) const noexcept
+  {
+    return  value[0] != rhs.value[0] || value[1] != rhs.value[1];
+  }
+
+  /*-----------------------------------------------------------------------------------*/
+  /* Getter Function Definitions                                                       */
+  /*-----------------------------------------------------------------------------------*/
+
+  EntityID SHCollisionEvent::GetEntityA() const noexcept
+  {
+    return ids[ENTITY_A];
+  }
+
+  EntityID SHCollisionEvent::GetEntityB() const noexcept
+  {
+    return ids[ENTITY_B];
+  }
+
+  const SHRigidBodyComponent* SHCollisionEvent::GetRigidBodyA() const noexcept
+  {
+    return SHComponentManager::GetComponent_s<SHRigidBodyComponent>(ids[ENTITY_A]);
+  }
+
+  const SHRigidBodyComponent* SHCollisionEvent::GetRigidBodyB() const noexcept
+  {
+    return SHComponentManager::GetComponent_s<SHRigidBodyComponent>(ids[ENTITY_B]);
+  }
+
+  const SHCollider* SHCollisionEvent::GetColliderA() const noexcept
+  {
+    return &SHComponentManager::GetComponent<SHColliderComponent>(ids[ENTITY_A])->GetCollider(ids[COLLIDER_A]);
+  }
+
+  const SHCollider* SHCollisionEvent::GetColliderB() const noexcept
+  {
+    return &SHComponentManager::GetComponent<SHColliderComponent>(ids[ENTITY_B])->GetCollider(ids[COLLIDER_B]);
+  }
+
+  SHCollisionEvent::State SHCollisionEvent::GetCollisionState() const noexcept
+  {
+    return collisionState;
+  }
+
+} // namespace SHADE

SHADE_Engine/src/Physics/SHPhysicsUtils.h

@@ -0,0 +1,116 @@
+/****************************************************************************************
+ * \file      SHPhysicsUtils.h
+ * \author    Diren D Bharwani, diren.dbharwani, 390002520
+ * \brief     Interface for some Physics Utilities
+ *
+ * \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
+ *            disclosure of this file or its contents without the prior written consent
+ *            of DigiPen Institute of Technology is prohibited.
+****************************************************************************************/
+
+#pragma once
+
+// Project Headers
+#include "Components/SHColliderComponent.h"
+#include "Components/SHRigidBodyComponent.h"
+
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Type Definitions                                                                  */
+  /*-----------------------------------------------------------------------------------*/
+
+  struct SHPhysicsColliderAddedEvent
+  {
+    EntityID          entityID;
+    SHCollider::Type  colliderType;
+    int               colliderIndex;
+  };
+
+  struct SHPhysicsColliderRemovedEvent
+  {
+    EntityID          entityID;
+    int               colliderIndex;
+  };
+
+  class SH_API SHCollisionEvent
+  {
+  private:
+    /*---------------------------------------------------------------------------------*/
+    /* Friends                                                                         */
+    /*---------------------------------------------------------------------------------*/
+
+    friend class SHPhysicsSystem;
+
+  public:
+    /*---------------------------------------------------------------------------------*/
+    /* Type Definitions                                                                */
+    /*---------------------------------------------------------------------------------*/
+
+    enum class State
+    {
+      ENTER
+    , STAY
+    , EXIT
+
+    , TOTAL
+    , INVALID = -1
+    };
+
+    /*---------------------------------------------------------------------------------*/
+    /* Constructors & Destructor                                                       */
+    /*---------------------------------------------------------------------------------*/
+
+    SHCollisionEvent   ()                                    noexcept;
+    SHCollisionEvent   (EntityID entityA, EntityID entityB)  noexcept;
+
+
+    SHCollisionEvent   (const SHCollisionEvent& rhs)  = default;
+    SHCollisionEvent   (SHCollisionEvent&& rhs)       = default;
+    ~SHCollisionEvent  ()                             = default;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Operator Overloads                                                              */
+    /*---------------------------------------------------------------------------------*/
+
+    bool operator== (const SHCollisionEvent& rhs)      const noexcept;
+    bool operator!= (const SHCollisionEvent& rhs)      const noexcept;
+
+    SHCollisionEvent& operator= (const SHCollisionEvent& rhs) = default;
+    SHCollisionEvent& operator= (SHCollisionEvent&& rhs)      = default;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Getter Functions                                                                */
+    /*---------------------------------------------------------------------------------*/
+
+    [[nodiscard]] EntityID                    GetEntityA        ()  const noexcept;
+    [[nodiscard]] EntityID                    GetEntityB        ()  const noexcept;
+    [[nodiscard]] const SHRigidBodyComponent* GetRigidBodyA     ()  const noexcept;
+    [[nodiscard]] const SHRigidBodyComponent* GetRigidBodyB     ()  const noexcept;
+    [[nodiscard]] const SHCollider*           GetColliderA      ()  const noexcept;
+    [[nodiscard]] const SHCollider*           GetColliderB      ()  const noexcept;
+    [[nodiscard]] State                       GetCollisionState ()  const noexcept;
+
+  private:
+
+    static constexpr uint32_t ENTITY_A    = 0;
+    static constexpr uint32_t ENTITY_B    = 1;
+    static constexpr uint32_t COLLIDER_A  = 2;
+    static constexpr uint32_t COLLIDER_B  = 3;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Data Members                                                                    */
+    /*---------------------------------------------------------------------------------*/
+
+    union
+    {
+      uint64_t value[2];  // EntityValue, ColliderIndexValue
+      uint32_t ids  [4];  // EntityA, EntityB, ColliderIndexA, ColliderIndexB
+    };
+
+    State     collisionState;
+  };
+
+
+} // namespace SHADE

SHADE_Engine/src/Resource/SHResourceManager.cpp

@@ -21,9 +21,11 @@ namespace SHADE
   /*-----------------------------------------------------------------------------------*/
   SHResourceHub SHResourceManager::resourceHub;
   std::unordered_map<std::type_index, std::unordered_map<AssetID, Handle<void>>> SHResourceManager::handlesMap;
-  std::unordered_map<std::type_index, SHADE::SHResourceManager::HandleAssetMap> SHResourceManager::assetIdMap;
+  std::unordered_map<std::type_index, SHResourceManager::HandleAssetMap> SHResourceManager::assetIdMap;
   std::unordered_map<std::type_index, std::function<void(AssetID)>> SHResourceManager::typedFreeFuncMap;
   std::vector<AssetID> SHResourceManager::loadedAssetData;
+  bool SHResourceManager::textureChanged = false;
+  bool SHResourceManager::meshChanged    = false;
 
   /*-----------------------------------------------------------------------------------*/
   /* Function Definitions                                                              */
@@ -63,8 +65,17 @@ namespace SHADE
     SHGraphicsSystem* gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
     if (gfxSystem == nullptr)
       throw std::runtime_error("[SHResourceManager] Attempted to load graphics resource without a SHGraphicsSystem installed.");
+
+    if (meshChanged)
+    {
       gfxSystem->BuildMeshBuffers();
+      meshChanged = false;
+    }
+    if (textureChanged)
+    {
       gfxSystem->BuildTextures();
+      textureChanged = false;
+    }
 
     // Free CPU Resources
     for (auto assetId : loadedAssetData)

SHADE_Engine/src/Resource/SHResourceManager.h

@@ -17,9 +17,27 @@ of DigiPen Institute of Technology is prohibited.
 #include "SH_API.h"
 #include "SHResourceLibrary.h"
 #include "Assets/SHAssetMacros.h"
+#include "Assets/Asset Types/SHMeshAsset.h"
+#include "Assets/Asset Types/SHTextureAsset.h"
+#include "Assets/Asset Types/SHShaderAsset.h"
+#include "Graphics/Shaders/SHVkShaderModule.h"
+#include "Graphics/MiddleEnd/Textures/SHTextureLibrary.h"
+#include "Graphics/MiddleEnd/Interface/SHMeshLibrary.h"
+#include "Graphics/MiddleEnd/Interface/SHMaterial.h"
+#include "Assets/Asset Types/SHMaterialAsset.h"
 
 namespace SHADE
 {
+  /// <summary>
+  /// Template structs that maps a resource to their loaded asset representation type.
+  /// </summary>
+  template<typename T = void>
+  struct SHResourceLoader                              { using AssetType = void;            };
+  template<> struct SHResourceLoader<SHMesh>           { using AssetType = SHMeshAsset;     };
+  template<> struct SHResourceLoader<SHTexture>        { using AssetType = SHTextureAsset;  };
+  template<> struct SHResourceLoader<SHVkShaderModule> { using AssetType = SHShaderAsset;   };
+  template<> struct SHResourceLoader<SHMaterial>       { using AssetType = SHMaterialAsset; };
+
   /// <summary>
   /// Static class responsible for loading and caching runtime resources from their
   /// serialised Asset IDs.
@@ -61,7 +79,7 @@ namespace SHADE
     /// <param name="assetId">Handle to the resource to unload.</param>
     static void Unload(AssetID assetId);
     /// <summary>
-    /// Needs to be called to finalise all changes to loads.
+    /// Needs to be called to finalise all changes to loads, unless at runtime.
     /// </summary>
     static void FinaliseChanges();
 
@@ -111,6 +129,9 @@ namespace SHADE
     static std::unordered_map<std::type_index, std::function<void(AssetID)>> typedFreeFuncMap;
     // Pointers to temp CPU resources
     static std::vector<AssetID> loadedAssetData;
+    // Dirty Flags
+    static bool meshChanged;
+    static bool textureChanged;
 
     /*---------------------------------------------------------------------------------*/
     /* Helper Functions                                                                */
@@ -124,6 +145,14 @@ namespace SHADE
     /// <returns>Reference to the AssetHandleMap of the specified type.</returns>
     template<typename ResourceType>
     static std::pair<AssetHandleMapRef, HandleAssetMapRef> getAssetHandleMap();
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <typeparam name="ResourceType"></typeparam>
+    /// <param name="assetData"></param>
+    /// <returns></returns>
+    template<typename ResourceType>
+    static Handle<ResourceType> load(AssetID assetId, const typename SHResourceLoader<ResourceType>::AssetType& assetData);
   };
 }
 

SHADE_Engine/src/Resource/SHResourceManager.hpp

@@ -13,12 +13,17 @@ of DigiPen Institute of Technology is prohibited.
 #pragma once
 // Primary Include
 #include "SHResourceManager.h"
+// External Dependencies
+#include <yaml-cpp/yaml.h>
 // Project Includes
 #include "Assets/SHAssetManager.h"
 #include "Assets/Asset Types/SHAssetIncludes.h"
 #include "Graphics/MiddleEnd/Interface/SHGraphicsSystem.h"
 #include "ECS_Base/Managers/SHSystemManager.h"
 #include "Tools/SHLog.h"
+#include "Graphics/Shaders/SHVkShaderModule.h"
+#include "Graphics/Devices/SHVkLogicalDevice.h"
+#include "Graphics/MiddleEnd/Materials/SHMaterialSpec.h"
 
 namespace SHADE
 {
@@ -40,67 +45,19 @@ namespace SHADE
       return Handle<ResourceType>(typedHandleMap.get()[assetId]);
 
     /* Otherwise, we need to load it! */
-    // Meshes
-    if constexpr (std::is_same_v<ResourceType, SHMesh>)
-    {
-      // Get system
-      SHGraphicsSystem* gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
-      if (gfxSystem == nullptr)
-        throw std::runtime_error("[SHResourceManager] Attempted to load graphics resource without a SHGraphicsSystem installed.");
-
-      // Load
-      const SHMeshAsset* assetData = SHAssetManager::GetData<SHMeshAsset>(assetId);
+    // Load Asset Data
+    const auto* assetData = SHAssetManager::GetData<SHResourceLoader<ResourceType>::AssetType>(assetId);
     if (assetData == nullptr)
     {
       SHLog::Warning("[SHResourceManager] Attempted to load an asset with an invalid Asset ID.");
       return {};
     }
-      loadedAssetData.emplace_back(assetId);
 
-      Handle<SHMesh> meshHandle = gfxSystem->AddMesh
-      (
-        assetData->vertexPosition.size(), 
-        assetData->vertexPosition.data(),
-        assetData->texCoords.data(),
-        assetData->vertexTangent.data(),
-        assetData->vertexNormal.data(),
-        assetData->indices.size(),
-        assetData->indices.data()
-      );
-      Handle genericHandle = Handle(meshHandle);
+    auto handle = load<ResourceType>(assetId, *assetData);
+    Handle genericHandle = Handle(handle);
     typedHandleMap.get().emplace(assetId, genericHandle);
     typedAssetIdMap.get().emplace(genericHandle, assetId);
-      return meshHandle;
-    }
-    // Textures
-    else if constexpr (std::is_same_v<ResourceType, SHTexture>)
-    {
-      // Get system
-      SHGraphicsSystem* gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
-      if (gfxSystem == nullptr)
-        throw std::runtime_error("[SHResourceManager] Attempted to load graphics resource without a SHGraphicsSystem installed.");
-
-      // Load
-      const SHTextureAsset* assetData = SHAssetManager::GetData<SHTextureAsset>(assetId);
-      if (assetData == nullptr)
-      {
-        SHLog::Warning("[SHResourceManager] Attempted to load an asset with an invalid Asset ID.");
-        return {};
-      }
-      loadedAssetData.emplace_back(assetId);
-
-      Handle<SHTexture> texHandle = gfxSystem->AddTexture
-      (
-        assetData->numBytes,
-        assetData->pixelData,
-        assetData->width,
-        assetData->height,
-        assetData->format,
-        assetData->mipOffsets
-      );
-      typedHandleMap.get().emplace(assetId, Handle(texHandle));
-      return texHandle;
-    }
+    return handle;
   }
 
   template<typename ResourceType>
@@ -169,4 +126,131 @@ namespace SHADE
     }
     return std::make_pair(std::ref(handlesMap[TYPE]), std::ref(assetIdMap[TYPE]));
   }
+
+  template<typename ResourceType>
+  Handle<ResourceType> SHResourceManager::load(AssetID assetId, const typename SHResourceLoader<ResourceType>::AssetType& assetData)
+  {
+    // Get system
+    SHGraphicsSystem* gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
+    if (gfxSystem == nullptr)
+      throw std::runtime_error("[SHResourceManager] Attempted to load graphics resource without a SHGraphicsSystem installed.");
+
+    // Meshes
+    if constexpr (std::is_same_v<ResourceType, SHMesh>)
+    {
+      loadedAssetData.emplace_back(assetId);
+      meshChanged = true;
+
+      return gfxSystem->AddMesh
+      (
+        assetData.vertexPosition.size(),
+        assetData.vertexPosition.data(),
+        assetData.texCoords.data(),
+        assetData.vertexTangent.data(),
+        assetData.vertexNormal.data(),
+        assetData.indices.size(),
+        assetData.indices.data()
+      );
+    }
+    // Textures
+    else if constexpr (std::is_same_v<ResourceType, SHTexture>)
+    {
+      loadedAssetData.emplace_back(assetId);
+      textureChanged = true;
+
+      return gfxSystem->AddTexture
+      (
+        assetData.numBytes,
+        assetData.pixelData,
+        assetData.width,
+        assetData.height,
+        assetData.format,
+        assetData.mipOffsets
+      );
+    }
+    // Shaders
+    else if constexpr (std::is_same_v<ResourceType, SHVkShaderModule>)
+    {
+      auto shader = gfxSystem->GetDevice()->CreateShaderModule
+      (
+        assetData.spirvBinary,
+        "main",
+        static_cast<vk::ShaderStageFlagBits>(assetData.shaderType),
+        assetData.name
+      );
+      shader->Reflect();
+      return shader;
+    }
+    // Materials
+    else if constexpr (std::is_same_v<ResourceType, SHMaterial>)
+    {
+      // Get the data we need to construct
+      SHMaterialSpec matSpec = YAML::Node(assetData.data).as<SHMaterialSpec>();
+
+      // Load shaders
+      auto vertexShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(matSpec.vertexShader);
+      auto fragShader   = SHResourceManager::LoadOrGet<SHVkShaderModule>(matSpec.fragShader);
+
+      // Ensure that both shaders are present
+      if (!(vertexShader && fragShader))
+      {
+        SHLOG_ERROR("[SHResourceManager] Failed to load material as shaders failed to be loaded.");
+        return {};
+      }
+
+      // Grab subpass from worldRenderer
+      auto renderPass = gfxSystem->GetPrimaryRenderpass();
+      if (!renderPass)
+      {
+        SHLOG_ERROR("[SHResourceManager] Failed to load material as RenderPass could not be found.");
+        return {};
+      }
+      auto subPass = renderPass->GetSubpass(matSpec.subpassName);
+      if (!subPass)
+      {
+        SHLOG_ERROR("[SHResourceManager] Failed to load material as SubPass could not be found.");
+        return {};
+      }
+      
+      // Create material
+      auto matHandle = gfxSystem->AddMaterial(vertexShader, fragShader, subPass);
+
+      // Set properties for the material
+      Handle<SHShaderBlockInterface> pipelineProperties = matHandle->GetShaderBlockInterface();
+      for (int i = 0; i < static_cast<int>(pipelineProperties->GetVariableCount()); ++i)
+      {
+        const std::string& PROP_NAME = pipelineProperties->GetVariableName(i);
+        const auto& PROP_NODE = matSpec.properties;
+        if (PROP_NODE)
+        {
+          const std::string& VAR_NAME = pipelineProperties->GetVariableName(i);
+          const SHShaderBlockInterface::Variable* VARIABLE = pipelineProperties->GetVariable(i);
+          switch (VARIABLE->type)
+          {
+            case SHADE::SHShaderBlockInterface::Variable::Type::FLOAT:
+              matHandle->SetProperty(VARIABLE->offset, PROP_NODE.as<float>());
+              break;
+            case SHADE::SHShaderBlockInterface::Variable::Type::INT:
+              matHandle->SetProperty(VARIABLE->offset, PROP_NODE.as<int>());
+              break;
+            case SHADE::SHShaderBlockInterface::Variable::Type::VECTOR2:
+              matHandle->SetProperty(VARIABLE->offset, PROP_NODE.as<SHVec2>());
+              break;
+            case SHADE::SHShaderBlockInterface::Variable::Type::VECTOR3:
+              matHandle->SetProperty(VARIABLE->offset, PROP_NODE.as<SHVec3>());
+              break;
+            case SHADE::SHShaderBlockInterface::Variable::Type::VECTOR4:
+              matHandle->SetProperty(VARIABLE->offset, PROP_NODE.as<SHVec4>());
+              break;
+            case SHADE::SHShaderBlockInterface::Variable::Type::OTHER:
+            default:
+              continue;
+              break;
+          }
+        }
+      }
+
+      return matHandle;
+    }
+  }
 }

SHADE_Engine/src/Scripting/SHScriptEngine.cpp

@@ -80,7 +80,10 @@ namespace SHADE
   {
     csScriptsExecuteFixedUpdate();
   }
-
+  void SHScriptEngine::ExecuteCollisionFunctions()
+  {
+    csScriptsExecutePhysicsEvents();
+  }
   void SHScriptEngine::Exit()
   {
     // Do not allow deinitialization if not initialised
@@ -377,6 +380,12 @@ namespace SHADE
       DEFAULT_CSHARP_NAMESPACE + ".ScriptStore",
       "ExecuteLateUpdate"
     );
+    csScriptsExecutePhysicsEvents = dotNet.GetFunctionPtr<CsFuncPtr>
+    (
+      DEFAULT_CSHARP_LIB_NAME,
+      DEFAULT_CSHARP_NAMESPACE + ".ScriptStore",
+      "ExecuteCollisionFunctions"
+    );
     csScriptsFrameCleanUp = dotNet.GetFunctionPtr<CsFuncPtr>
     (
       DEFAULT_CSHARP_LIB_NAME,

SHADE_Engine/src/Scripting/SHScriptEngine.h

@@ -98,6 +98,11 @@ namespace SHADE
     /// </summary>
     void ExecuteFixedUpdates();
     /// <summary>
+    /// Executes the OnCollision*()s and OnTrigger*()s of the Scripts that are attached 
+    /// to Entities.
+    /// </summary>
+    void ExecuteCollisionFunctions();
+    /// <summary>
     /// Shuts down the DotNetRuntime.
     /// </summary>
     void Exit() override;
@@ -245,6 +250,7 @@ namespace SHADE
     CsFuncPtr                      csScriptsExecuteFixedUpdate   = nullptr;
     CsFuncPtr                      csScriptsExecuteUpdate        = nullptr;
     CsFuncPtr                      csScriptsExecuteLateUpdate    = nullptr;
+    CsFuncPtr                      csScriptsExecutePhysicsEvents = nullptr;
     CsFuncPtr                      csScriptsFrameCleanUp         = nullptr;
     CsScriptManipFuncPtr           csScriptsAdd                  = nullptr;
     CsScriptBasicFuncPtr           csScriptsRemoveAll            = nullptr;

SHADE_Engine/src/Scripting/SHScriptEngineRoutines.cpp

@@ -54,7 +54,7 @@ namespace SHADE
   /* System Routine Functions - FrameCleanUpRoutine                                    */
   /*-----------------------------------------------------------------------------------*/
   SHScriptEngine::FrameCleanUpRoutine::FrameCleanUpRoutine()
-      : SHSystemRoutine("Script Engine Frame Clean Up", false)
+      : SHSystemRoutine("Script Engine Frame Clean Up", true)
   {}
   void SHScriptEngine::FrameCleanUpRoutine::Execute(double) noexcept
   {

SHADE_Engine/src/Serialization/SHSerializationHelper.hpp

@@ -12,8 +12,11 @@
 #include "Resource/SHResourceManager.h"
 #include "Graphics/MiddleEnd/Interface/SHRenderable.h"
 #include "Graphics/MiddleEnd/Interface/SHMaterial.h"
+#include "Graphics/MiddleEnd/Interface/SHMaterialInstance.h"
 #include "SHSerializationTools.h"
 #include "Physics/Components/SHColliderComponent.h"
+#include "Graphics/MiddleEnd/Materials/SHMaterialSpec.h"
+#include "Tools/SHLog.h"
 
 namespace YAML
 {
@@ -303,102 +306,43 @@ namespace YAML
             // Write Material
             YAML::Node node;
             
-            node[VERT_SHADER_YAML_TAG.data()] = 0; // SHResourceManager::GetAssetID<SHVkShaderModule>(vertexShader).value_or(0);
-            node[FRAG_SHADER_YAML_TAG.data()] = 0; // SHResourceManager::GetAssetID<SHVkShaderModule>(fragShader).value_or(0);
+            node[VERT_SHADER_YAML_TAG.data()] = SHResourceManager::GetAssetID<SHVkShaderModule>(vertexShader).value_or(0);
+            node[FRAG_SHADER_YAML_TAG.data()] = SHResourceManager::GetAssetID<SHVkShaderModule>(fragShader).value_or(0);
             node[SUBPASS_YAML_TAG.data()]     = rhs.GetPipeline()->GetPipelineState().GetSubpass()->GetName(); 
             node[PROPS_YAML_TAG.data()]       = propertiesNode;
 
             return node;
         }
-        static bool decode(YAML::Node const& node, SHMaterial& rhs)
+    };
+
+    template<>
+    struct convert<SHMaterialSpec>
+    {
+      static constexpr std::string_view VERT_SHADER_YAML_TAG = "VertexShader";
+      static constexpr std::string_view FRAG_SHADER_YAML_TAG = "FragmentShader";
+      static constexpr std::string_view SUBPASS_YAML_TAG = "SubPass";
+      static constexpr std::string_view PROPS_YAML_TAG = "Properties";
+
+      static bool decode(YAML::Node const& node, SHMaterialSpec& rhs)
       {
-            /*
         // Retrieve Shader Asset IDs
-            AssetID vertShaderId = 0;
-            AssetID fragShaderId = 0;
-            if (node[VERT_SHADER_YAML_TAG.data()])
-                vertShaderId = node[VERT_SHADER_YAML_TAG.data()].as<AssetID>();
-            if (node[FRAG_SHADER_YAML_TAG.data()])
-                fragShaderId = node[FRAG_SHADER_YAML_TAG.data()].as<AssetID>();
-
-            // Ensure that both shaders are present
-            if (vertShaderId == 0 || fragShaderId == 0)
-                return false; // No pipeline
-
-            // Get Shader Modules
-            Handle<SHVkShaderModule> vertexShader, fragShader;
-            vertexShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(vertShaderId);
-            fragShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(fragShaderId);
-
-            // Get Pipeline Library
-            if (node[SUBPASS_YAML_TAG.data()])
-            {
-                auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
-                if (!gfxSystem)
+        if (!node[VERT_SHADER_YAML_TAG.data()])
           return false;
-
-                // Grab subpass from worldRenderer
-                auto renderPass = gfxSystem->GetPrimaryRenderpass();
-                if (!renderPass)
+        rhs.vertexShader = node[VERT_SHADER_YAML_TAG.data()].as<AssetID>();
+        if (!node[FRAG_SHADER_YAML_TAG.data()])
           return false;
-                auto subPass = renderPass->GetSubpass(node[SUBPASS_YAML_TAG.data()].as<std::string>());
-                if (!subPass)
+        rhs.fragShader = node[FRAG_SHADER_YAML_TAG.data()].as<AssetID>();
+
+        // Retrieve Subpass
+        if (!node[SUBPASS_YAML_TAG.data()])
           return false;
+        rhs.subpassName = node[SUBPASS_YAML_TAG.data()].as<std::string>();
 
-                // Set Pipeline
-                rhs.SetPipeline(renderPass->GetOrCreatePipeline
-                (
-                    std::make_pair(vertexShader, fragShader),
-                    subPass
-                ));
-            }
-            */
-
-            // TODO: Load Proper Material!
-            // Set default material 
-            auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
-            if (!gfxSystem)
+        // Retrieve
+        if (!node[PROPS_YAML_TAG.data()])
           return false;
-            rhs.SetPipeline(gfxSystem->GetDefaultMaterial()->GetPipeline());
+        rhs.properties = node[PROPS_YAML_TAG.data()];
 
-            if (node[PROPS_YAML_TAG.data()].IsDefined())
-            {
-                // Loop through all properties
-                Handle<SHShaderBlockInterface> pipelineProperties = rhs.GetShaderBlockInterface();
-                const YAML::Node& PROPS_NODE = node[PROPS_YAML_TAG.data()];
-                for (int i = 0; i < static_cast<int>(pipelineProperties->GetVariableCount()); ++i)
-                {
-                    const std::string& PROP_NAME = pipelineProperties->GetVariableName(i);
-                    const auto& PROP_NODE = PROPS_NODE[PROP_NAME.data()];
-                    if (PROP_NODE)
-                    {
-                        const std::string& VAR_NAME = pipelineProperties->GetVariableName(i);
-                        const SHShaderBlockInterface::Variable* VARIABLE = pipelineProperties->GetVariable(i);
-                        switch (VARIABLE->type)
-                        {
-                            case SHADE::SHShaderBlockInterface::Variable::Type::FLOAT:
-                                rhs.SetProperty(VARIABLE->offset, PROP_NODE.as<float>());
-                                break;
-                            case SHADE::SHShaderBlockInterface::Variable::Type::INT:
-                                rhs.SetProperty(VARIABLE->offset, PROP_NODE.as<int>());
-                                break;
-                            case SHADE::SHShaderBlockInterface::Variable::Type::VECTOR2:
-                                rhs.SetProperty(VARIABLE->offset, SHSerializationTools::YAMLToVec2(PROP_NODE));
-                                break;
-                            case SHADE::SHShaderBlockInterface::Variable::Type::VECTOR3:
-                                rhs.SetProperty(VARIABLE->offset, SHSerializationTools::YAMLToVec3(PROP_NODE));
-                                break;
-                            case SHADE::SHShaderBlockInterface::Variable::Type::VECTOR4:
-                                rhs.SetProperty(VARIABLE->offset, SHSerializationTools::YAMLToVec4(PROP_NODE));
-                                break;
-                            case SHADE::SHShaderBlockInterface::Variable::Type::OTHER:
-                            default:
-                                continue;
-                                break;
-                        }
-                    }
-                }
-            }
         return true;
       }
     };
@@ -413,7 +357,7 @@ namespace YAML
         {
             YAML::Node node;
             node[MESH_YAML_TAG.data()] = SHResourceManager::GetAssetID<SHMesh>(rhs.GetMesh()).value_or(0);
-            node[MAT_YAML_TAG.data()] = 0;  // TODO: Asset ID            
+            node[MAT_YAML_TAG.data()] = SHResourceManager::GetAssetID<SHMaterial>(rhs.GetMaterial()->GetBaseMaterial()).value_or(0);
             return node;
         }
         static bool decode(YAML::Node const& node, SHRenderable& rhs)
@@ -424,12 +368,17 @@ namespace YAML
             }
             if (node[MAT_YAML_TAG.data()].IsDefined())
             {
-                // TODO: Convert Asset ID To Material HAndle
                 // Temporarily, use default material
                 auto gfxSystem = SHSystemManager::GetSystem<SHGraphicsSystem>();
                 if (!gfxSystem)
                   return false;
-                rhs.SetMaterial(gfxSystem->AddOrGetBaseMaterialInstance(gfxSystem->GetDefaultMaterial()));
+                Handle<SHMaterial> baseMat = SHResourceManager::LoadOrGet<SHMaterial>(node[MAT_YAML_TAG.data()].as<AssetID>());
+                if (!baseMat)
+                {
+                  baseMat = gfxSystem->GetDefaultMaterial();
+                  SHLog::Warning("[SHSerializationHelper] Unable to load specified material. Falling back to default material.");
+                }
+                rhs.SetMaterial(gfxSystem->AddOrGetBaseMaterialInstance(baseMat));
             }
             return true;
         }

SHADE_Engine/src/Tools/SHLog.h

@@ -9,7 +9,7 @@ Copyright (C) 2022 DigiPen Institute of Technology.
 Reproduction or disclosure of this file or its contents without the prior written consent
 of DigiPen Institute of Technology is prohibited.
 *//*************************************************************************************/
-
+#pragma once
 // Standard Library
 #include <string>
 // Project Headers

SHADE_Managed/premake5.lua

@@ -25,11 +25,16 @@ project "SHADE_Managed"
   includedirs
   {
     "%{prj.location}/src",
+  }
+  
+  externalincludedirs
+  {
     "%{IncludeDir.spdlog}/include",
     "%{IncludeDir.imgui}",
     "%{IncludeDir.imguizmo}",
     "%{IncludeDir.imnodes}",
     "%{IncludeDir.yamlcpp}",
+    "%{IncludeDir.SDL}\\include",
     "%{IncludeDir.RTTR}/include",
     "%{IncludeDir.dotnet}\\include",
     "%{IncludeDir.reactphysics3d}\\include",
@@ -38,13 +43,16 @@ project "SHADE_Managed"
 
   libdirs
   {
-    "%{IncludeDir.RTTR}/lib"
+    "%{IncludeDir.RTTR}/lib",
+    "%{IncludeDir.SDL}/lib"
   }
   
   links
   {
     "yaml-cpp",
     "imgui",
+    "SDL2.lib",
+    "SDL2main.lib",
     "SHADE_Engine",
     "SHADE_CSharp"
   }

SHADE_Managed/src/Components/Camera.cxx

@@ -0,0 +1,127 @@
+#include "SHpch.h"
+
+#include "Camera.hxx"
+#include "ECS_Base/Managers/SHSystemManager.h"
+#include "Camera/SHCameraSystem.h"
+
+
+namespace SHADE
+{
+	Camera::Camera(Entity entity)
+		:Component(entity)
+	{
+
+	}
+
+
+	float Camera::Pitch::get()
+	{
+		return (GetNativeComponent()->GetPitch());
+	}
+
+	void Camera::Pitch::set(float val)
+	{
+		GetNativeComponent()->SetPitch(val);
+	}
+	float Camera::Yaw::get()
+	{
+		return (GetNativeComponent()->GetYaw());
+	}
+
+	void Camera::Yaw::set(float val)
+	{
+		GetNativeComponent()->SetYaw(val);
+	}
+	float Camera::Roll::get()
+	{
+		return (GetNativeComponent()->GetRoll());
+	}
+
+	void Camera::Roll::set(float val)
+	{
+		GetNativeComponent()->SetRoll(val);
+	}
+	float Camera::Width::get()
+	{
+		return (GetNativeComponent()->GetWidth());
+	}
+
+	void Camera::Width::set(float val)
+	{
+		GetNativeComponent()->SetWidth(val);
+	}
+	float Camera::Height::get()
+	{
+		return (GetNativeComponent()->GetHeight());
+	}
+
+	void Camera::Height::set(float val)
+	{
+		GetNativeComponent()->SetHeight(val);
+	}
+	float Camera::Near::get()
+	{
+		return (GetNativeComponent()->GetNear());
+	}
+
+	void Camera::Near::set(float val)
+	{
+		GetNativeComponent()->SetNear(val);
+	}
+	float Camera::Far::get()
+	{
+		return (GetNativeComponent()->GetFar());
+	}
+
+	void Camera::Far::set(float val)
+	{
+		GetNativeComponent()->SetFar(val);
+	}
+	float Camera::FOV::get()
+	{
+		return (GetNativeComponent()->GetFOV());
+	}
+
+	void Camera::FOV::set(float val)
+	{
+		GetNativeComponent()->SetFOV(val);
+	}
+
+	Vector3 Camera::Position::get()
+	{
+		return Convert::ToCLI(GetNativeComponent()->GetPosition());
+	}
+
+	void Camera::Position::set(Vector3 val)
+	{
+		GetNativeComponent()->SetPosition(Convert::ToNative(val));
+	}
+
+	void Camera::SetMainCamera(size_t directorIndex)
+	{
+		auto system = SHSystemManager::GetSystem<SHCameraSystem>();
+		system->SetMainCamera(GetNativeComponent()->GetEID(), directorIndex);
+	}
+
+	void Camera::SetMainCamera()
+	{
+		SetMainCamera(0);
+	}
+
+	void Camera::LookAt(Vector3 targetPosition)
+	{
+		auto system = SHSystemManager::GetSystem<SHCameraSystem>();
+		system->CameraLookAt(*GetNativeComponent(), Convert::ToNative(targetPosition));
+	}
+
+	Vector3 Camera::GetForward()
+	{
+		auto system = SHSystemManager::GetSystem<SHCameraSystem>();
+		SHVec3 forward, up, right;
+		system->GetCameraAxis(*GetNativeComponent(), forward, right, up);
+		return Convert::ToCLI(forward);
+		
+	}
+
+
+}

SHADE_Managed/src/Components/Camera.hxx

@@ -0,0 +1,70 @@
+#pragma once
+
+// Project Includes
+#include "Components/Component.hxx"
+#include "Math/Vector3.hxx"
+#include "Math/Quaternion.hxx"
+// External Dependencies
+#include "Camera/SHCameraComponent.h"
+
+namespace SHADE
+{
+	public ref class Camera : public Component<SHCameraComponent>
+	{
+	internal:
+		Camera(Entity entity);
+
+	public:
+		property float Pitch
+		{
+			float get();
+			void set(float val);
+		}
+		property float Yaw
+		{
+			float get();
+			void set(float val);
+		}
+		property float Roll
+		{
+			float get();
+			void set(float val);
+		}
+		property float Width
+		{
+			float get();
+			void set(float val);
+		}
+		property float Height
+		{
+			float get();
+			void set(float val);
+		}
+		property float Near
+		{
+			float get();
+			void set(float val);
+		}
+		property float Far
+		{
+			float get();
+			void set(float val);
+		}
+		property float FOV
+		{
+			float get();
+			void set(float val);
+		}
+		property Vector3 Position
+		{
+			Vector3 get();
+			void set(Vector3 val);
+		}
+
+
+		void SetMainCamera(size_t directorIndex);
+		void SetMainCamera();
+		void LookAt(Vector3 targetPosition);
+		Vector3 GetForward();
+	};
+}

SHADE_Managed/src/Components/CameraArm.cxx

@@ -0,0 +1,51 @@
+#include "SHpch.h"
+#include "CameraArm.hxx"
+
+
+namespace SHADE
+{
+	CameraArm::CameraArm(Entity entity)
+		:Component(entity)
+	{
+
+	}
+
+	float CameraArm::Pitch::get()
+	{
+		return (GetNativeComponent()->GetPitch());
+	}
+
+	void CameraArm::Pitch::set(float val)
+	{
+		GetNativeComponent()->SetPitch(val);
+	}
+	float CameraArm::Yaw::get()
+	{
+		return (GetNativeComponent()->GetYaw());
+	}
+
+	void CameraArm::Yaw::set(float val)
+	{
+		GetNativeComponent()->SetYaw(val);
+	}
+
+	float CameraArm::ArmLength::get()
+	{
+		return (GetNativeComponent()->GetArmLength());
+	}
+
+	void CameraArm::ArmLength::set(float val)
+	{
+		GetNativeComponent()->SetArmLength(val);
+	}
+
+	bool CameraArm::LookAtCameraOrigin::get()
+	{
+		return GetNativeComponent()->lookAtCameraOrigin;
+	}
+
+	void CameraArm::LookAtCameraOrigin::set(bool val)
+	{
+		GetNativeComponent()->lookAtCameraOrigin = val;
+	}
+}

SHADE_Managed/src/Components/CameraArm.hxx

@@ -0,0 +1,40 @@
+#pragma once
+
+// Project Includes
+#include "Components/Component.hxx"
+#include "Math/Vector3.hxx"
+
+// External Dependencies
+#include "Camera/SHCameraArmComponent.h"
+
+
+namespace SHADE
+{
+	public ref class CameraArm : public Component<SHCameraArmComponent>
+	{
+	internal:
+		CameraArm(Entity entity);
+	public:
+		property float Pitch
+		{
+			float get();
+			void set(float val);
+		}
+		property float Yaw
+		{
+			float get();
+			void set(float val);
+		}
+		property float ArmLength
+		{
+			float get();
+			void set(float val);
+		}
+		property bool LookAtCameraOrigin
+		{
+			bool get();
+			void set(bool val);
+		}
+
+	};
+}

SHADE_Managed/src/Components/Component.cxx

@@ -67,6 +67,11 @@ namespace SHADE
         ScriptStore::RemoveScript<T>(owner.GetEntity());
     }
 
+    BaseComponent::operator bool(BaseComponent^ c)
+    {
+        return c != nullptr;
+    }
+
     /*---------------------------------------------------------------------------------*/
     /* Constructors                                                                    */
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Components/Component.hxx

@@ -101,6 +101,15 @@ namespace SHADE
         generic<typename T> where T : ref class, Script
         void RemoveScript();
 
+        /*-----------------------------------------------------------------------------*/
+        /* Operator Overloads                                                          */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Implicit conversion operator to enable checking if a component is null.
+        /// </summary>
+        /// <param name="c">Component to check.</param>
+        static operator bool(BaseComponent^ c);
+
       protected:
         /*-----------------------------------------------------------------------------*/
         /* Constructors                                                                */

SHADE_Managed/src/Editor/Editor.cxx

@@ -260,7 +260,7 @@ namespace SHADE
 
             int val = safe_cast<int>(field->GetValue(object));
             int oldVal = val;
-            if (SHEditorUI::InputEnumCombo(Convert::ToNative(field->Name), val, nativeEnumNames))
+            if (SHEditorUI::InputEnumCombo(Convert::ToNative(field->Name), val, nativeEnumNames, &isHovered))
             {
                 field->SetValue(object, val); 
                 registerUndoAction(object, field, val, oldVal);
@@ -280,12 +280,23 @@ namespace SHADE
             // Actual Field
             std::string val = Convert::ToNative(stringVal);
             std::string oldVal = val;
-            if (SHEditorUI::InputTextField(Convert::ToNative(field->Name), val))
+            if (SHEditorUI::InputTextField(Convert::ToNative(field->Name), val, &isHovered))
             {
                 field->SetValue(object, Convert::ToCLI(val));
                 registerUndoAction(object, field, Convert::ToCLI(val), Convert::ToCLI(oldVal));
             }
         }
+        else if (field->FieldType == GameObject::typeid)
+        {
+            GameObject gameObj = safe_cast<GameObject>(field->GetValue(object));
+            uint32_t entityId = gameObj.GetEntity();
+            if (SHEditorUI::InputGameObjectField(Convert::ToNative(field->Name), entityId, &isHovered))
+            {
+                GameObject newVal = GameObject(entityId);
+                field->SetValue(object, newVal);
+                registerUndoAction(object, field, newVal, gameObj);
+            }
+        }
         else
         {
             array<System::Type^>^ interfaces = field->FieldType->GetInterfaces();

SHADE_Managed/src/Engine/Application.cxx

@@ -0,0 +1,71 @@
+/************************************************************************************//*!
+\file           Application.cxx
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definitions of the functions in the static managed
+                Application class.
+
+                Note: This file is written in C++17/CLI.
+ 
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent 
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+// Precompiled Headers
+#include "SHpch.h"
+// Primary Header
+#include "Application.hxx"
+// External Dependencies
+#include "ECS_Base/Managers/SHSystemManager.h"
+#include "Editor/SHEditor.h"
+#include "Graphics/MiddleEnd/Interface/SHGraphicsSystemInterface.h"
+
+namespace SHADE
+{
+    /*---------------------------------------------------------------------------------*/
+    /* Properties                                                                      */
+    /*---------------------------------------------------------------------------------*/
+    bool Application::IsPlaying::get()
+    {
+        auto editor = SHSystemManager::GetSystem<SHEditor>();
+        if (editor)
+            return editor->editorState == SHEditor::State::PLAY
+                   ||
+                   editor->editorState == SHEditor::State::PAUSE;
+
+        return true;
+    }
+    bool Application::IsPaused::get()
+    {
+        auto editor = SHSystemManager::GetSystem<SHEditor>();
+        if (editor)
+            return editor->editorState == SHEditor::State::PAUSE;
+
+        return false;
+    }
+    int Application::WindowWidth::get()
+    {
+        return SHGraphicsSystemInterface::GetWindowWidth();
+    }
+    int Application::WindowHeight::get()
+    {
+        return SHGraphicsSystemInterface::GetWindowWidth();
+    }
+    bool Application::IsFullscreen::get()
+    {
+        return SHGraphicsSystemInterface::IsFullscreen();
+    }
+    /*void Application::IsFullscreen::set(bool value)
+    {
+        return SHGraphicsSystemInterface::SetFullscreen(value);
+    }*/
+
+    /*---------------------------------------------------------------------------------*/
+    /* Usage Functions                                                                 */
+    /*---------------------------------------------------------------------------------*/
+    void Application::Quit()
+    {
+        SHGraphicsSystemInterface::CloseWindow();
+    }
+}

SHADE_Managed/src/Engine/Application.hxx

@@ -0,0 +1,77 @@
+/************************************************************************************//*!
+\file           Application.hxx
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definitions of a managed static Application class.
+
+                Note: This file is written in C++17/CLI.
+ 
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent 
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+
+namespace SHADE
+{
+    /// <summary>
+    /// Static class that contains useful properties for querying the state of the
+    /// engine.
+    /// </summary>
+    public ref class Application abstract sealed
+    {
+      public:
+        /*-----------------------------------------------------------------------------*/
+        /* Properties                                                                  */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Whether or not the engine is playing. This will always be true on Publish.
+        /// On Debug/Release builds, this is true when the editor is in Play Mode. It
+        /// will also be true even if the editor is in Play Mode but is paused.
+        /// </summary>
+        static property bool IsPlaying
+        {
+            bool get();
+        }
+        /// <summary>
+        /// Whether or not the engine is in a paused state where script updates and
+        /// physics are not in play.
+        /// </summary>
+        static property bool IsPaused
+        {
+            bool get();
+        }
+        /// <summary>
+        /// Retrieves the designated width of the current window.
+        /// </summary>
+        static property int WindowWidth
+        {
+            int get();
+        }
+        /// <summary>
+        /// Retrieves the designated height of the current window.
+        /// </summary>
+        static property int WindowHeight
+        {
+            int get();
+        }
+        /// <summary>
+        /// Whether or not the application is currently in fullscreen mode or not.
+        /// </summary>
+        static property bool IsFullscreen
+        {
+            bool get();
+            // TODO: once implemented on SHADE_Engine
+            //void set(bool value); 
+        }
+
+        /*-----------------------------------------------------------------------------*/
+        /* Usage Functions                                                             */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Marks the application to stop at the end of the current frame.
+        /// </summary>
+        static void Quit();
+    };
+}

SHADE_Managed/src/Engine/ECS.cxx

@@ -33,6 +33,8 @@ of DigiPen Institute of Technology is prohibited.
 #include "Components/Transform.hxx"
 #include "Components\RigidBody.hxx"
 #include "Components\Collider.hxx"
+#include "Components/Camera.hxx"
+#include "Components/CameraArm.hxx"
 
 namespace SHADE
 {
@@ -248,6 +250,8 @@ namespace SHADE
         componentMap.Add(createComponentSet<SHTransformComponent, Transform>());
         componentMap.Add(createComponentSet<SHColliderComponent, Collider>());
         componentMap.Add(createComponentSet<SHRigidBodyComponent, RigidBody>());
+        componentMap.Add(createComponentSet<SHCameraComponent, Camera>());
+        componentMap.Add(createComponentSet<SHCameraArmComponent, CameraArm>());
     }
     
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Engine/GameObject.cxx

@@ -20,7 +20,9 @@ of DigiPen Institute of Technology is prohibited.
 #include "Scene/SHSceneGraph.h"
 // Project Headers
 #include "ECS.hxx"
+#include "Utility/Convert.hxx"
 #include "Scripts/ScriptStore.hxx"
+#include "Utility/Debug.hxx"
 
 namespace SHADE
 {
@@ -40,7 +42,13 @@ namespace SHADE
     System::Nullable<GameObject> GameObject::Find(System::String ^ name)
     {
         // Search the GameObjectLibrary for an Entity with the specified name
-        throw gcnew System::NotImplementedException();
+        const auto ENTITY_ID = SHEntityManager::GetEntityByName(Convert::ToNative(name));
+        if (ENTITY_ID == MAX_EID)
+        {
+            return {};
+        }
+
+        return GameObject(ENTITY_ID);
     }
     
     /*---------------------------------------------------------------------------------*/
@@ -57,7 +65,17 @@ namespace SHADE
     }
     bool GameObject::IsActiveInHierarchy::get()
     {
-        return true; // TODO: Update once we have an equivalent on the Entity object
+        auto node = SHSceneManager::GetCurrentSceneGraph().GetNode(GetEntity());
+        if (!node)
+        {
+            Debug::LogWarning("Attempting to access a GameObject's ActiveInHierarchy state which does not exist. Assuming inactive.");
+            return false;
+        }
+        return node->IsActive();
+    }
+    Entity GameObject::EntityId::get()
+    {
+        return entity;
     }
     GameObject^ GameObject::Parent::get()
     {

SHADE_Managed/src/Engine/GameObject.hxx

@@ -86,6 +86,13 @@ namespace SHADE
         {
             bool get();
         }
+        /// <summary>
+        /// Native Entity ID value for this GameObject.
+        /// </summary>
+        property Entity EntityId
+        {
+            Entity get();
+        }
         property GameObject^ Parent
         {
           GameObject^ get();

SHADE_Managed/src/Engine/Time.cxx

@@ -14,6 +14,9 @@ of DigiPen Institute of Technology is prohibited.
 *//*************************************************************************************/
 // Precompiled Headers
 #include "SHpch.h"
+// External Dependencies
+#include "FRC/SHFramerateController.h"
+#include "Physics/SHPhysicsSystemInterface.h"
 // Primary Header
 #include "Time.hxx"
 
@@ -26,4 +29,14 @@ namespace SHADE
     {
         return SHFrameRateController::GetRawDeltaTime();
     }
+
+
+    float Time::DeltaTimeF::get()
+    {
+      return static_cast<float>(SHFrameRateController::GetRawDeltaTime());
+    }
+    double Time::FixedDeltaTime::get()
+    {
+        return SHPhysicsSystemInterface::GetFixedDT();
+    }
 }

SHADE_Managed/src/Engine/Time.hxx

@@ -14,8 +14,6 @@ of DigiPen Institute of Technology is prohibited.
 *//*************************************************************************************/
 #pragma once
 
-#include "FRC/SHFramerateController.h"
-
 namespace SHADE
 {
     /// <summary>
@@ -29,13 +27,28 @@ namespace SHADE
         /*-----------------------------------------------------------------------------*/
         /// <summary>
         /// Time taken to process the previous frame.
-        /// Note, is affected by TimeScale. Use UnscaledDeltaTime if you wish to retrieve
-        /// real world time. This is also affected by MaxDeltaTime clamping that
-        /// UnscaledDeltaTime is subject to.
         /// </summary>
         static property double DeltaTime
         {
             double get();
         }
+        /*-----------------------------------------------------------------------------*/
+        /* Properties                                                                  */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Time taken to process the previous frame.
+        /// </summary>
+        static property float DeltaTimeF
+        {
+          float get();
+        }
+        /// <summary>
+        /// Time taken for Physics simulations. You should use this for operations 
+        /// within Script.FixedUpdate()
+        /// </summary>
+        static property double FixedDeltaTime
+        {
+            double get();
+        }
     };
 }

SHADE_Managed/src/Input/Input.cxx

@@ -99,4 +99,11 @@ namespace SHADE
         return SHInputManager::GetKeyReleasedTime(static_cast<SHInputManager::SH_KEYCODE>(key));
     }
 
+    Vector2 Input::GetMouseVelocity()
+    {
+      double velX, velY;
+      SHInputManager::GetMouseVelocity(&velX, &velY);
+
+      return Convert::ToCLI(SHVec2{ (float)velX,(float)velY });
+    }
 }

SHADE_Managed/src/Input/Input.hxx

@@ -31,9 +31,158 @@ namespace SHADE
         /// <summary>
         /// Represents the available supported keycodes that can be passed into the 
         /// key-based Input functions.
+        /// 
+        /// Attempting to follow https://docs.unity3d.com/ScriptReference/KeyCode.html
+        /// Win32 keycodes are shift-insensitive, i.e. 'A' and 'a' are the same keycode and '1' and '!' are the same keycode
         /// </summary>
         enum class KeyCode : int
         {
+            Backspace       = static_cast<int>(SHInputManager::SH_KEYCODE::BACKSPACE),
+            Delete          = static_cast<int>(SHInputManager::SH_KEYCODE::DEL),
+            Tab             = static_cast<int>(SHInputManager::SH_KEYCODE::TAB),
+            Clear           = static_cast<int>(SHInputManager::SH_KEYCODE::CLEAR),
+            Return          = static_cast<int>(SHInputManager::SH_KEYCODE::ENTER),
+            Pause           = static_cast<int>(SHInputManager::SH_KEYCODE::PAUSE),
+            Escape          = static_cast<int>(SHInputManager::SH_KEYCODE::ESCAPE),
+            Space           = static_cast<int>(SHInputManager::SH_KEYCODE::SPACE),
+            Keypad0         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_0),
+            Keypad1         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_1),
+            Keypad2         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_2),
+            Keypad3         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_3),
+            Keypad4         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_4),
+            Keypad5         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_5),
+            Keypad6         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_6),
+            Keypad7         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_7),
+            Keypad8         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_8),
+            Keypad9         = static_cast<int>(SHInputManager::SH_KEYCODE::NUMPAD_9),
+            KeypadPeriod    = static_cast<int>(SHInputManager::SH_KEYCODE::DECIMAL),
+            KeypadDivide    = static_cast<int>(SHInputManager::SH_KEYCODE::DIVIDE),
+            KeypadMultiply  = static_cast<int>(SHInputManager::SH_KEYCODE::MULTIPLY),
+            KeypadMinus     = static_cast<int>(SHInputManager::SH_KEYCODE::SUBTRACT),
+            KeypadPlus      = static_cast<int>(SHInputManager::SH_KEYCODE::ADD),
+            KeypadEnter     = static_cast<int>(SHInputManager::SH_KEYCODE::ENTER),
+            //KeypadEquals
+            UpArrow         = static_cast<int>(SHInputManager::SH_KEYCODE::UP_ARROW),
+            DownArrow       = static_cast<int>(SHInputManager::SH_KEYCODE::DOWN_ARROW),
+            RightArrow      = static_cast<int>(SHInputManager::SH_KEYCODE::RIGHT_ARROW),
+            LeftArrow       = static_cast<int>(SHInputManager::SH_KEYCODE::LEFT_ARROW),
+            Insert          = static_cast<int>(SHInputManager::SH_KEYCODE::INSERT),
+            Home            = static_cast<int>(SHInputManager::SH_KEYCODE::HOME),
+            End             = static_cast<int>(SHInputManager::SH_KEYCODE::END),
+            PageUp          = static_cast<int>(SHInputManager::SH_KEYCODE::PAGE_UP),
+            PageDown        = static_cast<int>(SHInputManager::SH_KEYCODE::PAGE_DOWN),
+            F1              = static_cast<int>(SHInputManager::SH_KEYCODE::F1),
+            F2              = static_cast<int>(SHInputManager::SH_KEYCODE::F2),
+            F3              = static_cast<int>(SHInputManager::SH_KEYCODE::F3),
+            F4              = static_cast<int>(SHInputManager::SH_KEYCODE::F4),
+            F5              = static_cast<int>(SHInputManager::SH_KEYCODE::F5),
+            F6              = static_cast<int>(SHInputManager::SH_KEYCODE::F6),
+            F7              = static_cast<int>(SHInputManager::SH_KEYCODE::F7),
+            F8              = static_cast<int>(SHInputManager::SH_KEYCODE::F8),
+            F9              = static_cast<int>(SHInputManager::SH_KEYCODE::F9),
+            F10             = static_cast<int>(SHInputManager::SH_KEYCODE::F10),
+            F11             = static_cast<int>(SHInputManager::SH_KEYCODE::F11),
+            F12             = static_cast<int>(SHInputManager::SH_KEYCODE::F12),
+            F13             = static_cast<int>(SHInputManager::SH_KEYCODE::F13),
+            F14             = static_cast<int>(SHInputManager::SH_KEYCODE::F14),
+            F15             = static_cast<int>(SHInputManager::SH_KEYCODE::F15),
+            F16             = static_cast<int>(SHInputManager::SH_KEYCODE::F16),
+            F17             = static_cast<int>(SHInputManager::SH_KEYCODE::F17),
+            F18             = static_cast<int>(SHInputManager::SH_KEYCODE::F18),
+            F19             = static_cast<int>(SHInputManager::SH_KEYCODE::F19),
+            F20             = static_cast<int>(SHInputManager::SH_KEYCODE::F20),
+            F21             = static_cast<int>(SHInputManager::SH_KEYCODE::F21),
+            F22             = static_cast<int>(SHInputManager::SH_KEYCODE::F22),
+            F23             = static_cast<int>(SHInputManager::SH_KEYCODE::F23),
+            F24             = static_cast<int>(SHInputManager::SH_KEYCODE::F24),
+            Alpha0          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_0),
+            Alpha1          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_1),
+            Alpha2          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_2),
+            Alpha3          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_3),
+            Alpha4          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_4),
+            Alpha5          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_5),
+            Alpha6          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_6),
+            Alpha7          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_7),
+            Alpha8          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_8),
+            Alpha9          = static_cast<int>(SHInputManager::SH_KEYCODE::NUMBER_9),
+            //Exclaim
+            //DoubleQuote
+            //Hash
+            //Dollar
+            //Percent
+            //Ampersand
+            Quote           = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_7),
+            //LeftParen
+            //RightParen
+            //Asterisk
+            //Plus
+            Comma           = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_COMMA),
+            Minus           = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_MINUS),
+            Period          = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_PERIOD),
+            Slash           = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_2),
+            //Colon
+            Semicolon       = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_1),
+            //Less
+            Equals          = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_PLUS),
+            //Greater
+            //Question
+            //At
+            LeftBracket     = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_4),
+            Backslash       = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_5),
+            RightBracket    = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_6),
+            //Caret
+            //Underscore
+            BackQuote       = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_3),
+            A               = static_cast<int>(SHInputManager::SH_KEYCODE::A),
+            B               = static_cast<int>(SHInputManager::SH_KEYCODE::B),
+            C               = static_cast<int>(SHInputManager::SH_KEYCODE::C),
+            D               = static_cast<int>(SHInputManager::SH_KEYCODE::D),
+            E               = static_cast<int>(SHInputManager::SH_KEYCODE::E),
+            F               = static_cast<int>(SHInputManager::SH_KEYCODE::F),
+            G               = static_cast<int>(SHInputManager::SH_KEYCODE::G),
+            H               = static_cast<int>(SHInputManager::SH_KEYCODE::H),
+            I               = static_cast<int>(SHInputManager::SH_KEYCODE::I),
+            J               = static_cast<int>(SHInputManager::SH_KEYCODE::J),
+            K               = static_cast<int>(SHInputManager::SH_KEYCODE::K),
+            L               = static_cast<int>(SHInputManager::SH_KEYCODE::L),
+            M               = static_cast<int>(SHInputManager::SH_KEYCODE::M),
+            N               = static_cast<int>(SHInputManager::SH_KEYCODE::N),
+            O               = static_cast<int>(SHInputManager::SH_KEYCODE::O),
+            P               = static_cast<int>(SHInputManager::SH_KEYCODE::P),
+            Q               = static_cast<int>(SHInputManager::SH_KEYCODE::Q),
+            R               = static_cast<int>(SHInputManager::SH_KEYCODE::R),
+            S               = static_cast<int>(SHInputManager::SH_KEYCODE::S),
+            T               = static_cast<int>(SHInputManager::SH_KEYCODE::T),
+            U               = static_cast<int>(SHInputManager::SH_KEYCODE::U),
+            V               = static_cast<int>(SHInputManager::SH_KEYCODE::V),
+            W               = static_cast<int>(SHInputManager::SH_KEYCODE::W),
+            X               = static_cast<int>(SHInputManager::SH_KEYCODE::X),
+            Y               = static_cast<int>(SHInputManager::SH_KEYCODE::Y),
+            Z               = static_cast<int>(SHInputManager::SH_KEYCODE::Z),
+            //LeftCurlyBracket
+            //Pipe
+            //RightCurlyBracket
+            //Tilde
+            NumLock        = static_cast<int>(SHInputManager::SH_KEYCODE::NUM_LOCK),
+            CapsLock       = static_cast<int>(SHInputManager::SH_KEYCODE::CAPS_LOCK),
+            ScrollLock     = static_cast<int>(SHInputManager::SH_KEYCODE::SCROLL_LOCK),
+            RightShift     = static_cast<int>(SHInputManager::SH_KEYCODE::RIGHT_SHIFT),
+            LeftShift      = static_cast<int>(SHInputManager::SH_KEYCODE::LEFT_SHIFT),
+            RightControl   = static_cast<int>(SHInputManager::SH_KEYCODE::RIGHT_CTRL),
+            LeftControl    = static_cast<int>(SHInputManager::SH_KEYCODE::LEFT_CTRL),
+            RightAlt       = static_cast<int>(SHInputManager::SH_KEYCODE::RIGHT_ALT),
+            LeftAlt        = static_cast<int>(SHInputManager::SH_KEYCODE::LEFT_ALT),
+            LeftWindows    = static_cast<int>(SHInputManager::SH_KEYCODE::LEFT_WINDOWS),
+            RightWindows   = static_cast<int>(SHInputManager::SH_KEYCODE::RIGHT_WINDOWS),
+            //AltGr
+            Help           = static_cast<int>(SHInputManager::SH_KEYCODE::HELP),
+            Print          = static_cast<int>(SHInputManager::SH_KEYCODE::PRINT),
+            SysReq         = static_cast<int>(SHInputManager::SH_KEYCODE::PRINT_SCREEN),
+            //Break
+            //Menu
+            //Mouse buttons use mouse codes, which are enums declared later
+            //TODO Controller input
+#if 0
             Space = static_cast<int>(SHInputManager::SH_KEYCODE::SPACE),
             //Apostrophe		= static_cast<int>(SHInputManager::SH_KEYCODE::APOSTROPHE),
             Comma           = static_cast<int>(SHInputManager::SH_KEYCODE::OEM_COMMA),
@@ -191,6 +340,7 @@ namespace SHADE
             JoystickButton7       =  JoystickMenu,        
             JoystickButton8       =  JoystickLeftStick,   
             JoystickButton9       =  JoystickRightStick
+#endif
 
         };
         /// <summary>
@@ -321,5 +471,7 @@ namespace SHADE
         /// <param name="key">The key to check.</param>
         /// <returns>Time in seconds that the key was held.</returns>
         static double GetMouseReleasedTime(MouseCode mouseButton);
+
+        static Vector2 GetMouseVelocity();
     };
 }

SHADE_Managed/src/Math/Vector2.cxx

@@ -236,6 +236,22 @@ namespace SHADE
             lhs.y * rhs.y
         );
     }
+    Vector2 Vector2::operator*(Vector2 lhs, double rhs)
+    {
+        return Vector2
+        (
+            lhs.x * static_cast<float>(rhs),
+            lhs.y * static_cast<float>(rhs)
+        );
+    }
+    Vector2 Vector2::operator/(Vector2 lhs, double rhs)
+    {
+        return Vector2
+        (
+            lhs.x / static_cast<float>(rhs),
+            lhs.y / static_cast<float>(rhs)
+        );
+    }
     Vector2 Vector2::operator*(Vector2 lhs, float rhs)
     {
         return Vector2

SHADE_Managed/src/Math/Vector2.hxx

@@ -361,6 +361,22 @@ namespace SHADE
         /// <param name="lhs">Vector2 to multiply with.</param>
         /// <param name="rhs">Scalar to multiply with.</param>
         /// <returns>The result of the scalar multiplication.</returns>
+        static Vector2 operator*(Vector2 lhs, double rhs);
+        /// <summary>
+        /// Calculates the division of a Vector2 with a scalar value and returns 
+        /// the result.
+        /// </summary>
+        /// <param name="lhs">Scalar to divide with.</param>
+        /// <param name="rhs">Vector2 to divide with.</param>
+        /// <returns>The result of the scalar division.</returns>
+        static Vector2 operator/(Vector2 lhs, double rhs);
+        /// <summary>
+        /// Calculates the multiplication of a Vector2 with a scalar value and returns 
+        /// the result.
+        /// </summary>
+        /// <param name="lhs">Vector2 to multiply with.</param>
+        /// <param name="rhs">Scalar to multiply with.</param>
+        /// <returns>The result of the scalar multiplication.</returns>
         static Vector2 operator*(Vector2 lhs, float rhs);
         /// <summary>
         /// Calculates the division of a Vector2 with a scalar value and returns 

SHADE_Managed/src/Math/Vector3.cxx

@@ -237,6 +237,24 @@ namespace SHADE
             lhs.z * rhs.z
         );
     }
+    Vector3 Vector3::operator*(Vector3 lhs, double rhs)
+    {
+        return Vector3
+        (
+            lhs.x * static_cast<float>(rhs),
+            lhs.y * static_cast<float>(rhs),
+            lhs.z * static_cast<float>(rhs)
+        );
+    }
+    Vector3 Vector3::operator/(Vector3 lhs, double rhs)
+    {
+        return Vector3
+        (
+            lhs.x / static_cast<float>(rhs),
+            lhs.y / static_cast<float>(rhs),
+            lhs.z / static_cast<float>(rhs)
+        );
+    }
     Vector3 Vector3::operator*(Vector3 lhs, float rhs)
     {
         return Vector3

SHADE_Managed/src/Math/Vector3.hxx

@@ -375,6 +375,22 @@ namespace SHADE
         /// <param name="lhs">Vector3 to multiply with.</param>
         /// <param name="rhs">Scalar to multiply with.</param>
         /// <returns>The result of the scalar multiplication.</returns>
+        static Vector3 operator*(Vector3 lhs, double rhs);
+        /// <summary>
+        /// Calculates the division of a Vector3 with a scalar value and returns 
+        /// the result.
+        /// </summary>
+        /// <param name="lhs">Scalar to divide with.</param>
+        /// <param name="rhs">Vector3 to divide with.</param>
+        /// <returns>The result of the scalar division.</returns>
+        static Vector3 operator/(Vector3 lhs, double rhs);
+        /// <summary>
+        /// Calculates the multiplication of a Vector3 with a scalar value and returns 
+        /// the result.
+        /// </summary>
+        /// <param name="lhs">Vector3 to multiply with.</param>
+        /// <param name="rhs">Scalar to multiply with.</param>
+        /// <returns>The result of the scalar multiplication.</returns>
         static Vector3 operator*(Vector3 lhs, float rhs);
         /// <summary>
         /// Calculates the division of a Vector3 with a scalar value and returns 

SHADE_Managed/src/Physics/CollisionInfo.cxx

@@ -0,0 +1,36 @@
+/************************************************************************************//*!
+\file           CollisionInfo.cxx
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definition of the functions of the managed CollisionInfo 
+                struct.
+
+                Note: This file is written in C++17/CLI.
+ 
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent 
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#include "SHpch.h"
+#include "CollisionInfo.hxx"
+#include "Components/RigidBody.hxx"
+#include "Components/Collider.hxx"
+
+namespace SHADE
+{
+    Collider^ CollisionInfo::Collider::get()
+    {
+        return GameObject.GetComponent<SHADE::Collider^>();
+    }
+
+    CollisionShape^ CollisionInfo::CollisionShape::get()
+    {
+        throw gcnew System::NotImplementedException();
+    }
+
+    RigidBody^ CollisionInfo::RigidBody::get()
+    {
+        return GameObject.GetComponent<SHADE::RigidBody^>();
+    }
+}

SHADE_Managed/src/Physics/CollisionInfo.hxx

@@ -0,0 +1,66 @@
+/************************************************************************************//*!
+\file           CollisionInfo.hxx
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Oct 31, 2022
+\brief          Contains the definition of the managed CollisionInfo struct with the
+                definition of its properties and declaration of functions.
+
+                Note: This file is written in C++17/CLI.
+ 
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent 
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+// Project Includes
+#include "Engine/GameObject.hxx"
+
+namespace SHADE
+{
+    /*---------------------------------------------------------------------------------*/
+    /* Forward Declarations                                                            */
+    /*---------------------------------------------------------------------------------*/
+    ref class RigidBody;
+    ref class Collider;
+    ref class CollisionShape;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Type Definitions                                                                */
+    /*---------------------------------------------------------------------------------*/
+    /// <summary>
+    /// Struct that describes a collision
+    /// </summary>
+    public value struct CollisionInfo
+    {
+      public:
+        /*-----------------------------------------------------------------------------*/
+        /* Properties                                                                  */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// The GameObject whose collider you are colliding with.
+        /// </summary>
+        property GameObject GameObject;
+        /// <summary>
+        /// The Collider that you are colliding with.
+        /// </summary>
+        property Collider^ Collider
+        {
+            SHADE::Collider^ get();
+        }
+        /// <summary>
+        /// The CollisionShape of the Collider that you are colliding with.
+        /// </summary>
+        property CollisionShape^ CollisionShape
+        {
+            SHADE::CollisionShape^ get();
+        }
+        /// <summary>
+        /// The RigidBody that you are colliding with.
+        /// </summary>
+        property RigidBody^ RigidBody
+        {
+            SHADE::RigidBody^ get();
+        }
+    };
+}

SHADE_Managed/src/Scripts/Script.cxx

@@ -18,6 +18,8 @@ of DigiPen Institute of Technology is prohibited.
 #include "Script.hxx"
 // Project Headers
 #include "Utility/Debug.hxx"
+#include "ScriptStore.hxx"
+#include "Engine/ECS.hxx"
 
 namespace SHADE
 {
@@ -49,8 +51,7 @@ namespace SHADE
     generic <typename T>
     void Script::RemoveComponent()
     {
-        throw gcnew System::NotImplementedException;
-        //ECS::RemoveComponent<T>(owner.GetNativeEntity());
+        owner.RemoveComponent<T>();
     }
 
     /*---------------------------------------------------------------------------------*/
@@ -59,35 +60,35 @@ namespace SHADE
     generic <typename T>
     T Script::AddScript()
     {
-        throw gcnew System::NotImplementedException;
-        //return ScriptStore::AddScript<T>(owner.GetEntity());
+        return ScriptStore::AddScript<T>(owner.GetEntity());
     }
     generic <typename T>
     T Script::GetScript()
     {
-        throw gcnew System::NotImplementedException;
-        //return ScriptStore::GetScript<T>(owner.GetEntity());
+        return ScriptStore::GetScript<T>(owner.GetEntity());
     }
 
     generic <typename T>
     T Script::GetScriptInChildren()
     {
-        throw gcnew System::NotImplementedException;
-        //return ScriptStore::GetScriptInChildren<T>(owner.GetEntity());
+        return ScriptStore::GetScriptInChildren<T>(owner.GetEntity());
     }
 
     generic <typename T>
     System::Collections::Generic::IEnumerable<T>^ Script::GetScripts()
     {
-        throw gcnew System::NotImplementedException;
-        //return ScriptStore::GetScripts<T>(owner.GetEntity());
+        return ScriptStore::GetScripts<T>(owner.GetEntity());
     }
 
     generic <typename T>
     void Script::RemoveScript()
     {
-        throw gcnew System::NotImplementedException;
-        //ScriptStore::RemoveScript<T>(owner.GetEntity());
+        ScriptStore::RemoveScript<T>(owner.GetEntity());
+    }
+
+    Script::operator bool(Script^ s)
+    {
+        return s != nullptr;
     }
 
     /*---------------------------------------------------------------------------------*/
@@ -146,6 +147,48 @@ namespace SHADE
         SAFE_NATIVE_CALL_END(this)
     }
 
+    void Script::OnCollisionEnter(CollisionInfo collision)
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onCollisionEnter(collision);
+        SAFE_NATIVE_CALL_END(this)
+    }
+
+    void Script::OnCollisionStay(CollisionInfo collision)
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onCollisionStay(collision);
+        SAFE_NATIVE_CALL_END(this)
+    }
+
+    void Script::OnCollisionExit(CollisionInfo collision)
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onCollisionExit(collision);
+        SAFE_NATIVE_CALL_END(this)
+    }
+
+    void Script::OnTriggerEnter(CollisionInfo collision)
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onTriggerEnter(collision);
+        SAFE_NATIVE_CALL_END(this)
+    }
+
+    void Script::OnTriggerStay(CollisionInfo collision)
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onTriggerStay(collision);
+        SAFE_NATIVE_CALL_END(this)
+    }
+
+    void Script::OnTriggerExit(CollisionInfo collision)
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        onTriggerExit(collision);
+        SAFE_NATIVE_CALL_END(this)
+    }
+
     /*---------------------------------------------------------------------------------*/
     /* Constructors                                                                    */
     /*---------------------------------------------------------------------------------*/
@@ -168,4 +211,14 @@ namespace SHADE
     void Script::update() {}
     void Script::lateUpdate() {}
     void Script::onDestroy() {}
-}// namespace PlushieAPI
+
+    /*---------------------------------------------------------------------------------*/
+    /* Virtual Event Functions                                                         */
+    /*---------------------------------------------------------------------------------*/
+    void Script::onTriggerEnter(CollisionInfo) {}
+    void Script::onTriggerStay(CollisionInfo) {}
+    void Script::onTriggerExit(CollisionInfo) {}
+    void Script::onCollisionEnter(CollisionInfo) {}
+    void Script::onCollisionStay(CollisionInfo) {}
+    void Script::onCollisionExit(CollisionInfo) {}
+}

SHADE_Managed/src/Scripts/Script.hxx

@@ -15,6 +15,7 @@ of DigiPen Institute of Technology is prohibited.
 
 // Project Includes
 #include "Engine/GameObject.hxx"
+#include "Physics/CollisionInfo.hxx"
 
 namespace SHADE
 {
@@ -153,6 +154,15 @@ namespace SHADE
         generic<typename T> where T : ref class, Script
         void RemoveScript();
 
+        /*-----------------------------------------------------------------------------*/
+        /* Operator Overloads                                                          */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Implicit conversion operator to enable checking if a component is null.
+        /// </summary>
+        /// <param name="c">Component to check.</param>
+        static operator bool(Script^ s);
+
       internal:
         /*-----------------------------------------------------------------------------*/
         /* "All-Time" Lifecycle Functions                                              */
@@ -204,6 +214,46 @@ namespace SHADE
         /// </summary>
         void OnDestroy();
 
+        /*-----------------------------------------------------------------------------*/
+        /* Event Functions                                                             */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Used to call onCollisionEnter(). This should be called when a collision is
+        /// detected between the attached GameObject and another GameObject.
+        /// </summary>
+        /// <param name="collision">Information on the collision event.</param>
+        void OnCollisionEnter(CollisionInfo collision);
+        /// <summary>
+        /// Used to call onCollisionStay(). This should be called when a collision is
+        /// persistent between the attached GameObject and another GameObject.
+        /// </summary>
+        /// <param name="collision">Information on the collision event.</param>
+        void OnCollisionStay(CollisionInfo collision);
+        /// <summary>
+        /// Used to call onCollisionExit(). This should be called when a collision ends
+        /// between the attached GameObject and another GameObject.
+        /// </summary>
+        /// <param name="collision">Information on the collision event.</param>
+        void OnCollisionExit(CollisionInfo collision);
+        /// <summary>
+        /// Used to call onTriggerEnter(). This should be called when a trigger-type 
+        /// collision is detected between the attached GameObject and another GameObject.
+        /// </summary>
+        /// <param name="collision">Information on the collision event.</param>
+        void OnTriggerEnter(CollisionInfo collision);
+        /// <summary>
+        /// Used to call onTriggerStay(). This should be called when a trigger-type 
+        /// collision is detected between the attached GameObject and another GameObject.
+        /// </summary>
+        /// <param name="collision">Information on the collision event.</param>
+        void OnTriggerStay(CollisionInfo collision);
+        /// <summary>
+        /// Used to call onTriggerExit(). This should be called when a trigger-type 
+        /// collision is detected between the attached GameObject and another GameObject.
+        /// </summary>
+        /// <param name="collision">Information on the collision event.</param>
+        void OnTriggerExit(CollisionInfo collision);
+
       protected:
         /*-----------------------------------------------------------------------------*/
         /* Constructors                                                                */
@@ -264,6 +314,46 @@ namespace SHADE
         /// </summary>
         virtual void onDestroy();
 
+        /*-----------------------------------------------------------------------------*/
+        /* Virtual Event Functions                                                     */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Called when the attached GameObject has a trigger Collider and collides with
+        /// another GameObject with a Collider in the first frame of collision.
+        /// </summary>
+        /// <param name="info">Information on the collision event.</param>
+        virtual void onTriggerEnter(CollisionInfo info);
+        /// <summary>
+        /// Called when the attached GameObject has a trigger Collider and collides with
+        /// another GameObject with a Collider in subsequent frames of collision.
+        /// </summary>
+        /// <param name="info">Information on the collision event.</param>
+        virtual void onTriggerStay(CollisionInfo info);
+        /// <summary>
+        /// Called when the attached GameObject has a trigger Collider and leaves a 
+        /// collision with another GameObject with a Collider2D.
+        /// </summary>
+        /// <param name="info">Information on the collision event.</param>
+        virtual void onTriggerExit(CollisionInfo info);
+        /// <summary>
+        /// Called when the attached GameObject has a Collider and collides with
+        /// another GameObject with a Collider in the first frame of collision.
+        /// </summary>
+        /// <param name="info">Information on the collision event.</param>
+        virtual void onCollisionEnter(CollisionInfo info);
+        /// <summary>
+        /// Called when the attached GameObject has a Collider and collides with
+        /// another GameObject with a Collider in subsequent frames of collision.
+        /// </summary>
+        /// <param name="info">Information on the collision event.</param>
+        virtual void onCollisionStay(CollisionInfo info);
+        /// <summary>
+        /// Called when the attached GameObject has a Collider and leaves a 
+        /// collision with another GameObject with a Collider2D.
+        /// </summary>
+        /// <param name="info">Information on the collision event.</param>
+        virtual void onCollisionExit(CollisionInfo info);
+
       private:
         /*-----------------------------------------------------------------------------*/
         /* Data Members                                                                */
@@ -271,4 +361,4 @@ namespace SHADE
         GameObject owner;
     };
 
-} // namespace PlushieAPI
+}

SHADE_Managed/src/Scripts/ScriptStore.cxx

@@ -27,6 +27,9 @@ of DigiPen Institute of Technology is prohibited.
 #include "Script.hxx"
 #include "Engine/Entity.hxx"
 #include "Serialisation/ReflectionUtilities.hxx"
+#include "Engine/Application.hxx"
+#include "Physics/SHPhysicsSystemInterface.h"
+#include "Physics/SHPhysicsUtils.h"
 
 namespace SHADE
 {
@@ -70,7 +73,7 @@ namespace SHADE
         SAFE_NATIVE_CALL_BEGIN
         Script^ script;
         return AddScriptViaNameWithRef(entity, scriptName, script);
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
         return false;
     }
 
@@ -300,7 +303,7 @@ namespace SHADE
             removeScript(script);
         }
         scriptList->Clear();
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     void ScriptStore::RemoveAllScriptsImmediately(Entity entity, bool callOnDestroy)
     {
@@ -325,7 +328,7 @@ namespace SHADE
             startList.Remove(script);
         }
         scriptList->Clear();
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     
     /*---------------------------------------------------------------------------------*/
@@ -364,7 +367,7 @@ namespace SHADE
         startList.AddRange(%inactiveStartList);
         inactiveStartList.Clear();
 
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     void ScriptStore::FrameCleanUp()
     {
@@ -373,7 +376,10 @@ namespace SHADE
         while (disposalQueue.Count > 0)
         {
             Script^ script = disposalQueue.Dequeue();            
+            if (Application::IsPlaying)
+            {
                 script->OnDestroy();
+            }
             auto entity = script->Owner.GetEntity();
             auto scriptList = scripts[script->Owner.GetEntity()];
             scriptList->Remove(script);
@@ -382,13 +388,13 @@ namespace SHADE
                 scripts.Remove(entity);
             }
         }
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     void ScriptStore::Exit()
     {
         SAFE_NATIVE_CALL_BEGIN
         // Run the deinit all scripts if needed
-        //if (Application::IsPlaying)
+        if (Application::IsPlaying)
         {
             Debug::Log("Running OnDestroy() for scripts.");
             for each (System::Collections::Generic::KeyValuePair<Entity, ScriptList^> entity in scripts)
@@ -406,7 +412,7 @@ namespace SHADE
         startList.Clear();
         disposalQueue.Clear();
         scriptTypeList = nullptr;
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
 
     /*---------------------------------------------------------------------------------*/
@@ -435,7 +441,7 @@ namespace SHADE
                 script->FixedUpdate();
             }
         }
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     void ScriptStore::ExecuteUpdate()
     {
@@ -452,7 +458,7 @@ namespace SHADE
                 script->Update();
             }
         }
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
     void ScriptStore::ExecuteLateUpdate()
     {
@@ -469,7 +475,95 @@ namespace SHADE
                 script->LateUpdate();
             }
         }
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
+    }
+
+    void ScriptStore::ExecuteCollisionFunctions()
+    {
+        SAFE_NATIVE_CALL_BEGIN
+        /* Collisions */
+        const auto& collisions = SHPhysicsSystemInterface::GetCollisionInfo();
+        for (const auto& collisionInfo : collisions)
+        {
+            auto entities = 
+            { 
+                std::make_pair(collisionInfo.GetEntityA(), collisionInfo.GetEntityB()),
+                std::make_pair(collisionInfo.GetEntityB(), collisionInfo.GetEntityA())
+            };
+            for (auto entity : entities)
+            {
+                // Don't bother if this object has no scripts or is inactive
+                if (!isEntityActive(entity.first) || !scripts.ContainsKey(entity.first))
+                    continue;
+
+                // Construct the collision state object
+                CollisionInfo info;
+                info.GameObject = GameObject(entity.second);
+
+                // Call all of the script's functions
+                auto entityScripts = scripts[entity.first];
+                if (entityScripts->Count > 0)
+                {
+                    for each (Script ^ script in entityScripts)
+                    {
+                        switch (collisionInfo.GetCollisionState())
+                        {
+                            case SHCollisionEvent::State::ENTER:
+                                script->OnCollisionEnter(info);
+                                break;
+                            case SHCollisionEvent::State::STAY:
+                                script->OnCollisionStay(info);
+                                break;
+                            case SHCollisionEvent::State::EXIT:
+                                script->OnCollisionExit(info);
+                                break;
+                        }
+                    }
+                }
+            }
+        }
+        /* Triggers */
+        const auto& triggers = SHPhysicsSystemInterface::GetTriggerInfo();
+        for (const auto& triggerInfo : triggers)
+        {
+            auto entities = 
+            { 
+                std::make_pair(triggerInfo.GetEntityA(), triggerInfo.GetEntityB()),
+                std::make_pair(triggerInfo.GetEntityB(), triggerInfo.GetEntityA())
+            };
+            for (auto entity : entities)
+            {
+                // Don't bother if this object has no scripts or is inactive
+                if (!isEntityActive(entity.first) || !scripts.ContainsKey(entity.first))
+                    continue;
+
+                // Construct the collision state object
+                CollisionInfo info;
+                info.GameObject = GameObject(entity.second);
+
+                // Call all of the script's functions
+                auto entityScripts = scripts[entity.first];
+                if (entityScripts->Count > 0)
+                {
+                    for each (Script ^ script in entityScripts)
+                    {
+                        switch (triggerInfo.GetCollisionState())
+                        {
+                            case SHCollisionEvent::State::ENTER:
+                                script->OnTriggerEnter(info);
+                                break;
+                            case SHCollisionEvent::State::STAY:
+                                script->OnTriggerStay(info);
+                                break;
+                            case SHCollisionEvent::State::EXIT:
+                                script->OnTriggerExit(info);
+                                break;
+                        }
+                    }
+                }
+            }
+        }
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
     }
 
     bool ScriptStore::SerialiseScripts(Entity entity, System::IntPtr yamlNodePtr)
@@ -505,7 +599,7 @@ namespace SHADE
         }
 
         return true;
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
         return false;
     }
 
@@ -555,7 +649,7 @@ namespace SHADE
         }
         return true;
 
-        SAFE_NATIVE_CALL_END_N("SHADE.ScriptStore")
+        SAFE_NATIVE_CALL_END_N("SHADE_Managed.ScriptStore")
         return false;
     }
 
@@ -663,14 +757,10 @@ namespace SHADE
 
     bool ScriptStore::isEntityActive(Entity entity)
     {
-        // Get native Entity
-        SHEntity* nativeEntity = SHEntityManager::GetEntityByID(entity);
-
-        // Entity Validity Check
-        if (nativeEntity == nullptr)
+        // Invalid entity
+        if (!EntityUtils::IsValid(entity))
             return false;
 
-        // Check active state
-        return nativeEntity->GetActive();
+        return GameObject(entity).IsActiveInHierarchy;
     }
 }

SHADE_Managed/src/Scripts/ScriptStore.hxx

@@ -233,6 +233,10 @@ namespace SHADE
         /// Executes LateUpdate() for all scripts.
         /// </summary>
         static void ExecuteLateUpdate();
+        /// <summary>
+        /// Executes OnCollision*() and OnTrigger*() for all scripts.
+        /// </summary>
+        static void ExecuteCollisionFunctions();
 
         /*-----------------------------------------------------------------------------*/
         /* Serialisation Functions                                                     */

SHADE_Managed/src/Serialisation/ReflectionUtilities.cxx

@@ -22,6 +22,7 @@ of DigiPen Institute of Technology is prohibited.
 #include "Math/Vector2.hxx"
 #include "Math/Vector3.hxx"
 #include "Utility/Debug.hxx"
+#include "Engine/GameObject.hxx"
 
 /*-------------------------------------------------------------------------------------*/
 /* Macro Functions                                                                     */
@@ -167,6 +168,11 @@ namespace SHADE
                 fieldNode.push_back(vec.y);
                 fieldNode.push_back(vec.z);
             }
+            else if (fieldInfo->FieldType == GameObject::typeid)
+            {
+                GameObject gameObj = safe_cast<GameObject>(fieldInfo->GetValue(object));
+                fieldNode = gameObj.GetEntity();
+            }
             else // Not any of the supported types
             {
                 Debug::LogWarning(Convert::ToNative(System::String::Format
@@ -242,6 +248,10 @@ namespace SHADE
                 );
             }
         }
+        else if (fieldInfo->FieldType == GameObject::typeid)
+        {
+            fieldInfo->SetValue(object, GameObject(node.as<uint32_t>()));
+        }
         else // Not any of the supported types
         {
             Debug::LogWarning(Convert::ToNative(System::String::Format

TempScriptsFolder/CameraControl.cs

@@ -0,0 +1,22 @@
+using System;
+using SHADE;
+
+namespace SHADE_Scripting
+{
+    public class CameraControl :Script
+    {
+        public float turnSpeed = 0.5f;
+
+        public CameraControl(GameObject go) : base(go) { }
+        protected override void update()
+        {
+            //Camera
+            Camera cam = GetComponent<Camera>();
+            Vector2 mouseVel = Input.GetMouseVelocity();
+
+            cam.Pitch -= mouseVel.y * turnSpeed * (float)Time.DeltaTime;
+            cam.Yaw += mouseVel.x * turnSpeed * (float)Time.DeltaTime;
+
+        }
+    }
+}

TempScriptsFolder/PhysicsTest.cs

@@ -38,6 +38,35 @@ public class PhysicsTest : Script
             RigidBody.AddForce(Force);
             Debug.Log($"Jump!");
         }
-        Debug.Log($"{Transform.LocalPosition.y}");
+    }
+
+    protected override void fixedUpdate()
+    {
+        Debug.Log("Fixed Update");
+    }
+
+    protected override void onCollisionEnter(CollisionInfo info)
+    {
+        Debug.Log($"Collision Enter: {info.GameObject.Name}");
+    }
+    protected override void onCollisionStay(CollisionInfo info)
+    {
+        Debug.Log($"Collision Stay: {info.GameObject.Name}");
+    }
+    protected override void onCollisionExit(CollisionInfo info)
+    {
+        Debug.Log($"Collision Exit: {info.GameObject.Name}");
+    }
+    protected override void onTriggerEnter(CollisionInfo info)
+    {
+        Debug.Log($"Trigger Enter: {info.GameObject.Name}");
+    }
+    protected override void onTriggerStay(CollisionInfo info)
+    {
+        Debug.Log($"Trigger Stay: {info.GameObject.Name}");
+    }
+    protected override void onTriggerExit(CollisionInfo info)
+    {
+        Debug.Log($"Trigger Exit: {info.GameObject.Name}");
     }
 }

TempScriptsFolder/PrintWhenActive.cs

@@ -0,0 +1,11 @@
+using SHADE;
+
+public class PrintWhenActive : Script
+{
+    public PrintWhenActive(GameObject gameObj) : base(gameObj) { }
+
+    protected override void update()
+    {
+        Debug.Log("Active!");
+    }
+}

TempScriptsFolder/ThirdPersonCamera.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SHADE;
+
+
+namespace SHADE_Scripting
+{
+    public class ThirdPersonCamera: Script
+    {
+
+        public float armLength = 4.0f;
+        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()
+        {
+            if(!GetComponent<Camera>())
+            {
+                AddComponent<Camera>();
+            }
+            if (!GetComponent<CameraArm>())
+            {
+                AddComponent<CameraArm>();
+            }
+            GetComponent<CameraArm>().ArmLength = armLength;
+        }
+
+        protected override void update()
+        {
+            CameraArm arm = GetComponent<CameraArm>();
+            if(arm)
+            {
+                Vector2 vel = Input.GetMouseVelocity();
+                arm.Pitch -= vel.y * turnSpeedPitch * Time.DeltaTimeF;
+                arm.Yaw += vel.x * turnSpeedYaw * Time.DeltaTimeF;
+
+                if(arm.Pitch > pitchClamp)
+                {
+                    arm.Pitch = pitchClamp;
+                }
+                else if(arm.Pitch < -pitchClamp)
+                {
+                    arm.Pitch = -pitchClamp;
+                }
+
+            }
+        }
+
+    }
+}