diff --git a/Engine/source/T3D/assets/ImageAsset.cpp b/Engine/source/T3D/assets/ImageAsset.cpp
index 3e29b0bdf..ff4c3ac70 100644
--- a/Engine/source/T3D/assets/ImageAsset.cpp
+++ b/Engine/source/T3D/assets/ImageAsset.cpp
@@ -90,14 +90,9 @@ ConsoleSetType(TypeImageAssetPtr)
 
 //-----------------------------------------------------------------------------
 
-ImageAsset::ImageAsset()
+ImageAsset::ImageAsset() : AssetBase(), mImage(nullptr), mUseMips(true), mIsHDRImage(false), mIsValidImage(false)
 {
    mImageFileName = StringTable->EmptyString();
-
-   mImage = NULL;
-   mUseMips = true;
-   mIsHDRImage = false;
-   mIsValidImage = false;
 }
 
 //-----------------------------------------------------------------------------
diff --git a/Engine/source/T3D/assets/ImageAsset.h b/Engine/source/T3D/assets/ImageAsset.h
index d289ac195..f5b52db07 100644
--- a/Engine/source/T3D/assets/ImageAsset.h
+++ b/Engine/source/T3D/assets/ImageAsset.h
@@ -47,11 +47,6 @@ class ImageAsset : public AssetBase
 {
    typedef AssetBase Parent;
 
-   AssetManager*           mpOwningAssetManager;
-   bool                    mAssetInitialized;
-   AssetDefinition*        mpAssetDefinition;
-   U32                     mAcquireReferenceCount;
-
    StringTableEntry mImageFileName;
 
    GFXTexHandle mImage;
diff --git a/Engine/source/T3D/assets/LevelAsset.cpp b/Engine/source/T3D/assets/LevelAsset.cpp
index 849cdc8d7..34084924a 100644
--- a/Engine/source/T3D/assets/LevelAsset.cpp
+++ b/Engine/source/T3D/assets/LevelAsset.cpp
@@ -90,10 +90,12 @@ ConsoleSetType(TypeLevelAssetPtr)
 
 //-----------------------------------------------------------------------------
 
-LevelAsset::LevelAsset()
+LevelAsset::LevelAsset() : AssetBase(), mIsSubLevel(false)
 {
    mLevelFile = StringTable->EmptyString();
    mPreviewImage = StringTable->EmptyString();
+
+   mMainLevelAsset = StringTable->EmptyString();
 }
 
 //-----------------------------------------------------------------------------
diff --git a/Engine/source/T3D/assets/ScriptAsset.cpp b/Engine/source/T3D/assets/ScriptAsset.cpp
index dbc5e7a2e..10c3be777 100644
--- a/Engine/source/T3D/assets/ScriptAsset.cpp
+++ b/Engine/source/T3D/assets/ScriptAsset.cpp
@@ -89,7 +89,7 @@ ConsoleSetType(TypeScriptAssetPtr)
 
 //-----------------------------------------------------------------------------
 
-ScriptAsset::ScriptAsset()
+ScriptAsset::ScriptAsset() : AssetBase(), mIsServerSide(true)
 {
    mScriptFilePath = StringTable->EmptyString();
 }
diff --git a/Engine/source/T3D/components/animation/animationComponent.cpp b/Engine/source/T3D/components/animation/animationComponent.cpp
index c8fd645d0..1b4604ce5 100644
--- a/Engine/source/T3D/components/animation/animationComponent.cpp
+++ b/Engine/source/T3D/components/animation/animationComponent.cpp
@@ -613,6 +613,9 @@ void AnimationComponent::advanceThreads(F32 dt)
    if (!mOwnerRenderInst)
       return;
 
+   if (mOwnerShapeInstance == nullptr || !getShape())
+      return;
+
    for (U32 i = 0; i < MaxScriptThreads; i++)
    {
       Thread& st = mAnimationThreads[i];
diff --git a/Engine/source/T3D/components/collision/collisionComponent.cpp b/Engine/source/T3D/components/collision/collisionComponent.cpp
index ccdf818f1..3736fbe04 100644
--- a/Engine/source/T3D/components/collision/collisionComponent.cpp
+++ b/Engine/source/T3D/components/collision/collisionComponent.cpp
@@ -142,10 +142,12 @@ CollisionComponent::CollisionComponent() : Component()
       StaticShapeObjectType | VehicleObjectType |
       VehicleBlockerObjectType | DynamicShapeObjectType | StaticObjectType | EntityObjectType | TriggerObjectType);
 
-   mPhysicsRep = NULL;
-   mPhysicsWorld = NULL;
+   mPhysicsRep = nullptr;
+   mPhysicsWorld = nullptr;
 
-   mTimeoutList = NULL;
+   mTimeoutList = nullptr;
+
+   mAnimated = false;
 }
 
 CollisionComponent::~CollisionComponent()
diff --git a/Engine/source/T3D/components/component.cpp b/Engine/source/T3D/components/component.cpp
index ff207d2c1..181c892e5 100644
--- a/Engine/source/T3D/components/component.cpp
+++ b/Engine/source/T3D/components/component.cpp
@@ -67,6 +67,13 @@ Component::Component()
    mOriginatingAssetId = StringTable->EmptyString();
 
    mIsServerObject = true;
+
+   componentIdx = 0;
+
+   mHidden = false;
+   mEnabled = true;
+
+   mDirtyMaskBits = 0;
 }
 
 Component::~Component()
@@ -535,7 +542,7 @@ const char * Component::getDescriptionText(const char *desc)
    if (desc == NULL)
       return NULL;
 
-   char *newDesc;
+   char *newDesc = "";
 
    // [tom, 1/12/2007] If it isn't a file, just do it the easy way
    if (!Platform::isFile(desc))
@@ -568,7 +575,7 @@ const char * Component::getDescriptionText(const char *desc)
    }
 
    str.close();
-   delete stream;
+   //delete stream;
 
    return newDesc;
 }
diff --git a/Engine/source/T3D/components/game/stateMachine.cpp b/Engine/source/T3D/components/game/stateMachine.cpp
index 335b69db3..fd1ef8505 100644
--- a/Engine/source/T3D/components/game/stateMachine.cpp
+++ b/Engine/source/T3D/components/game/stateMachine.cpp
@@ -30,6 +30,10 @@ StateMachine::StateMachine()
    mStartingState = "";
 
    mCurCreateState = NULL;
+
+   mStateMachineFile = StringTable->EmptyString();
+
+   mCurCreateState = nullptr;
 }
 
 StateMachine::~StateMachine()
diff --git a/Engine/source/T3D/components/game/stateMachine.h b/Engine/source/T3D/components/game/stateMachine.h
index 9ccc540e8..b440ab7fa 100644
--- a/Engine/source/T3D/components/game/stateMachine.h
+++ b/Engine/source/T3D/components/game/stateMachine.h
@@ -158,6 +158,8 @@ public:
    {
       if (index <= mFields.size())
          return mFields[index];
+
+      return StateField(); //return a blank one
    }
 
    Signal< void(StateMachine*, S32 stateIdx) > onStateChanged;
diff --git a/Engine/source/T3D/components/physics/playerControllerComponent.cpp b/Engine/source/T3D/components/physics/playerControllerComponent.cpp
index 2c6cea6e9..761ac570c 100644
--- a/Engine/source/T3D/components/physics/playerControllerComponent.cpp
+++ b/Engine/source/T3D/components/physics/playerControllerComponent.cpp
@@ -119,8 +119,11 @@ PlayerControllerComponent::PlayerControllerComponent() : Component()
 
    mInputVelocity = Point3F(0, 0, 0);
 
-   mPhysicsRep = NULL;
-   mPhysicsWorld = NULL;
+   mPhysicsRep = nullptr;
+   mPhysicsWorld = nullptr;
+
+   mOwnerCollisionInterface = nullptr;
+   mIntegrationCount = 0;
 }
 
 PlayerControllerComponent::~PlayerControllerComponent()
diff --git a/Engine/source/T3D/components/render/meshComponent.cpp b/Engine/source/T3D/components/render/meshComponent.cpp
index 10186c873..c87733bf8 100644
--- a/Engine/source/T3D/components/render/meshComponent.cpp
+++ b/Engine/source/T3D/components/render/meshComponent.cpp
@@ -59,7 +59,7 @@ ImplementEnumType(BatchingMode,
 //////////////////////////////////////////////////////////////////////////
 // Constructor/Destructor
 //////////////////////////////////////////////////////////////////////////
-MeshComponent::MeshComponent() : Component()
+MeshComponent::MeshComponent() : Component(), mShape(nullptr), mRenderMode(Individual)
 {
    mFriendlyName = "Mesh Component";
    mComponentType = "Render";
diff --git a/Engine/source/T3D/entity.cpp b/Engine/source/T3D/entity.cpp
index a7af19b33..62c0b031f 100644
--- a/Engine/source/T3D/entity.cpp
+++ b/Engine/source/T3D/entity.cpp
@@ -850,7 +850,7 @@ void Entity::setTransform(const MatrixF &mat)
    }
 }
 
-void Entity::setTransform(Point3F position, RotationF rotation)
+void Entity::setTransform(const Point3F& position, const RotationF& rotation)
 {
    MatrixF oldTransform = getTransform();
 
@@ -922,7 +922,7 @@ void Entity::setRenderTransform(const MatrixF &mat)
    Parent::setRenderTransform(mat);
 }
 
-void Entity::setRenderTransform(Point3F position, RotationF rotation)
+void Entity::setRenderTransform(const Point3F& position, const RotationF& rotation)
 {
    if (isMounted())
    {
@@ -977,7 +977,7 @@ MatrixF Entity::getTransform()
    }
 }
 
-void Entity::setMountOffset(Point3F posOffset)
+void Entity::setMountOffset(const Point3F& posOffset)
 {
    if (isMounted())
    {
@@ -987,7 +987,7 @@ void Entity::setMountOffset(Point3F posOffset)
    }
 }
 
-void Entity::setMountRotation(EulerF rotOffset)
+void Entity::setMountRotation(const EulerF& rotOffset)
 {
    if (isMounted())
    {
@@ -1111,11 +1111,12 @@ bool Entity::castRayRendered(const Point3F &start, const Point3F &end, RayInfo *
 
 bool Entity::buildPolyList(PolyListContext context, AbstractPolyList* polyList, const Box3F &box, const SphereF &sphere)
 {
-   Vector<BuildPolyListInterface*> updaters = getComponents<BuildPolyListInterface>();
+   Con::errorf("Build Poly List not yet implemented as a passthrough for Entity");
+   /*Vector<BuildPolyListInterface*> updaters = getComponents<BuildPolyListInterface>();
    for (Vector<BuildPolyListInterface*>::iterator it = updaters.begin(); it != updaters.end(); it++)
    {
       return (*it)->buildPolyList(context, polyList, box, sphere);
-   }
+   }*/
 
    return false;
 }
@@ -1131,7 +1132,7 @@ void Entity::buildConvex(const Box3F& box, Convex* convex)
 
 //
 // Mounting and heirarchy manipulation
-void Entity::mountObject(SceneObject* objB, MatrixF txfm)
+void Entity::mountObject(SceneObject* objB, const MatrixF& txfm)
 {
    Parent::mountObject(objB, -1, txfm);
    Parent::addObject(objB);
@@ -1604,7 +1605,7 @@ void Entity::onCameraScopeQuery(NetConnection* connection, CameraScopeQuery* que
    }
 }
 //
-void Entity::setObjectBox(Box3F objBox)
+void Entity::setObjectBox(const Box3F& objBox)
 {
    mObjBox = objBox;
    resetWorldBox();
@@ -1705,8 +1706,8 @@ void Entity::setComponentDirty(Component *comp, bool forceUpdate)
       }
    }
 
-   if (!found)
-      return;
+   //if (!found)
+   //   return;
 
    //if(mToLoadComponents.empty())
    //	mStartComponentUpdate = true;
diff --git a/Engine/source/T3D/entity.h b/Engine/source/T3D/entity.h
index db65f2866..5bf9898ea 100644
--- a/Engine/source/T3D/entity.h
+++ b/Engine/source/T3D/entity.h
@@ -152,14 +152,14 @@ public:
    virtual void setTransform(const MatrixF &mat);
    virtual void setRenderTransform(const MatrixF &mat);
 
-   void setTransform(Point3F position, RotationF rotation);
+   void setTransform(const Point3F& position, const RotationF& rotation);
 
-   void setRenderTransform(Point3F position, RotationF rotation);
+   void setRenderTransform(const Point3F& position, const RotationF& rotation);
 
    virtual MatrixF getTransform();
    virtual Point3F getPosition() const { return mPos; }
 
-   void setRotation(RotationF rotation) {
+   void setRotation(const RotationF& rotation) {
       mRot = rotation;
       setMaskBits(TransformMask);
    };
@@ -167,8 +167,8 @@ public:
 
    static bool _setGameObject(void *object, const char *index, const char *data);
 
-   void setMountOffset(Point3F posOffset);
-   void setMountRotation(EulerF rotOffset);
+   void setMountOffset(const Point3F& posOffset);
+   void setMountRotation(const EulerF& rotOffset);
 
    //static bool _setEulerRotation( void *object, const char *index, const char *data );
    static bool _setPosition(void *object, const char *index, const char *data);
@@ -181,7 +181,7 @@ public:
    virtual void getRenderMountTransform(F32 delta, S32 index, const MatrixF &xfm, MatrixF *outMat);
 
    virtual void mountObject(SceneObject *obj, S32 node, const MatrixF &xfm = MatrixF::Identity);
-   void mountObject(SceneObject* objB, MatrixF txfm);
+   void mountObject(SceneObject* objB, const MatrixF& txfm);
    void onMount(SceneObject *obj, S32 node);
    void onUnmount(SceneObject *obj, S32 node);
 
@@ -218,7 +218,7 @@ public:
       return mComponents.size(); 
    }
 
-   virtual void setObjectBox(Box3F objBox);
+   virtual void setObjectBox(const Box3F& objBox);
 
    void resetWorldBox() { Parent::resetWorldBox(); }
    void resetObjectBox() { Parent::resetObjectBox(); }
diff --git a/Engine/source/T3D/systems/render/meshRenderSystem.cpp b/Engine/source/T3D/systems/render/meshRenderSystem.cpp
index 214a63dfe..f777b264b 100644
--- a/Engine/source/T3D/systems/render/meshRenderSystem.cpp
+++ b/Engine/source/T3D/systems/render/meshRenderSystem.cpp
@@ -11,6 +11,9 @@ Vector<MeshRenderSystem::BufferSet> MeshRenderSystem::mStaticBuffers(0);
 
 void MeshRenderSystem::render(SceneManager *sceneManager, SceneRenderState* state)
 {
+   if (sceneManager == nullptr || state == nullptr)
+      return;
+
    Frustum viewFrustum = state->getCullingFrustum();
    MatrixF camTransform = state->getCameraTransform();
 
@@ -129,7 +132,7 @@ void MeshRenderSystem::render(SceneManager *sceneManager, SceneRenderState* stat
 
          // We sort by the material then vertex buffer
          ri->defaultKey = matInst->getStateHint();
-         ri->defaultKey2 = (uintptr_t)ri->vertBuff; // Not 64bit safe!
+         ri->defaultKey2 = (U32)ri->vertBuff; // Not 64bit safe!
 
                                                     // Submit our RenderInst to the RenderPassManager
          state->getRenderPass()->addInst(ri);
diff --git a/Engine/source/gui/editor/inspector/entityGroup.cpp b/Engine/source/gui/editor/inspector/entityGroup.cpp
index c833d336d..7b7559833 100644
--- a/Engine/source/gui/editor/inspector/entityGroup.cpp
+++ b/Engine/source/gui/editor/inspector/entityGroup.cpp
@@ -70,7 +70,8 @@ bool GuiInspectorEntityGroup::inspectGroup()
    {
       Entity* target = dynamic_cast<Entity*>(mParent->getInspectObject(0));
 
-      Con::executef(this, "inspectObject", target->getIdString());
+      if(target)
+         Con::executef(this, "inspectObject", target->getIdString());
    }
 
    return true;