Implementing basic scene tree

src/Engine/Graphics/CMakeLists.txt

@@ -1,21 +1,27 @@
 target_sources(SeeleEngine
     PRIVATE
+        ForwardPlusRenderPath.h
+        ForwardPlusRenderPath.cpp
+        GraphicsResources.h
+        GraphicsResources.cpp
+        GraphicsEnums.h
         Graphics.h
         Graphics.cpp
+        Mesh.h
+        Mesh.cpp
         RenderCore.h
         RenderCore.cpp
         RenderPath.h
         RenderPath.cpp
+        SceneView.h
+        SceneView.cpp
         SceneRenderPath.h
         SceneRenderPath.cpp
         View.h
         View.cpp
-        SceneView.h
+        Window.cpp
-        SceneView.cpp
+        Window.h
         WindowManager.h
-        WindowManager.cpp
+        WindowManager.cpp)
-        GraphicsResources.h
-        GraphicsResources.cpp
-        GraphicsEnums.h)
 
 add_subdirectory(Vulkan/)

src/Engine/Graphics/ForwardPlusRenderPath.cpp

@@ -0,0 +1,24 @@
+#include "ForwardPlusRenderPath.h"
+
+using namespace Seele;
+
+Seele::ForwardPlusRenderPath::ForwardPlusRenderPath(Gfx::PGraphics graphics, Gfx::PViewport viewport)
+    : SceneRenderPath(graphics, viewport)
+{
+
+}
+
+Seele::ForwardPlusRenderPath::~ForwardPlusRenderPath()
+{}
+
+void Seele::ForwardPlusRenderPath::beginFrame()
+{
+}
+
+void Seele::ForwardPlusRenderPath::render()
+{
+}
+
+void Seele::ForwardPlusRenderPath::endFrame()
+{
+}

src/Engine/Graphics/ForwardPlusRenderPath.h

@@ -0,0 +1,16 @@
+#pragma once
+#include "SceneRenderPath.h"
+
+namespace Seele
+{
+class ForwardPlusRenderPath : public SceneRenderPath
+{
+public:
+    ForwardPlusRenderPath(Gfx::PGraphics graphics, Gfx::PViewport target);
+    virtual ~ForwardPlusRenderPath();
+	virtual void beginFrame() override;
+	virtual void render() override;
+	virtual void endFrame() override;
+private:
+};
+}

src/Engine/Graphics/GraphicsResources.h

@@ -283,7 +283,8 @@ class Viewport
 public:
 	Viewport(PWindow owner, const ViewportCreateInfo &createInfo);
 	virtual ~Viewport();
-
+	virtual void resize(uint32 newX, uint32 newY) = 0;
+	virtual void move(uint32 newOffsetX, uint32 newOffsetY) = 0;
 protected:
 	uint32 sizeX;
 	uint32 sizeY;

src/Engine/Graphics/Mesh.cpp

@@ -0,0 +1 @@
+#include "Mesh.h"

src/Engine/Graphics/Mesh.h

@@ -0,0 +1,15 @@
+#pragma once
+#include "GraphicsResources.h"
+
+namespace Seele
+{
+class Mesh
+{
+public:
+    Mesh(Gfx::PVertexBuffer vertexBuffer, Gfx::PIndexBuffer indexBuffer);
+    ~Mesh();
+private:
+    Gfx::VertexBuffer vertexBuffer;
+    Gfx::IndexBuffer indexBuffer;
+};
+}

src/Engine/Graphics/RenderPath.cpp

@@ -1,10 +1,17 @@
 #include "RenderPath.h"
 
-Seele::RenderPath::RenderPath(Gfx::PGraphics graphics)
+Seele::RenderPath::RenderPath(Gfx::PGraphics graphics, Gfx::PViewport target)
 	: graphics(graphics)
+	, target(target)
 {
 }
 
 Seele::RenderPath::~RenderPath()
 {
 }
+
+void Seele::RenderPath::applyArea(Rect newArea)
+{
+	target->resize(newArea.size.x, newArea.size.y);
+	target->move(newArea.offset.x, newArea.offset.y);
+}

src/Engine/Graphics/RenderPath.h

@@ -6,17 +6,15 @@ namespace Seele
 class RenderPath
 {
 public:
-	RenderPath(Gfx::PGraphics graphics);
+	RenderPath(Gfx::PGraphics graphics, Gfx::PViewport target);
 	virtual ~RenderPath();
-	virtual void applyArea(Rect area) = 0;
+	virtual void applyArea(Rect area);
-	virtual void init() = 0;
 	virtual void beginFrame() = 0;
 	virtual void render() = 0;
 	virtual void endFrame() = 0;
-
 protected:
 	Gfx::PGraphics graphics;
-	Rect area;
+	Gfx::PViewport target;
 };
 DEFINE_REF(RenderPath);
 } // namespace Seele

src/Engine/Graphics/SceneRenderPath.cpp

@@ -1,31 +1,10 @@
 #include "SceneRenderPath.h"
 
-Seele::SceneRenderPath::SceneRenderPath(Gfx::PGraphics graphics)
+Seele::SceneRenderPath::SceneRenderPath(Gfx::PGraphics graphics, Gfx::PViewport target)
-	: RenderPath(graphics)
+	: RenderPath(graphics, target)
 {
 }
 
 Seele::SceneRenderPath::~SceneRenderPath()
 {
 }
-
-void Seele::SceneRenderPath::applyArea(Rect newArea)
-{
-	area = newArea;
-}
-
-void Seele::SceneRenderPath::init()
-{
-}
-
-void Seele::SceneRenderPath::beginFrame()
-{
-}
-
-void Seele::SceneRenderPath::render()
-{
-}
-
-void Seele::SceneRenderPath::endFrame()
-{
-}

src/Engine/Graphics/SceneRenderPath.h

@@ -6,12 +6,10 @@ namespace Seele
 class SceneRenderPath : public RenderPath
 {
 public:
-	SceneRenderPath(Gfx::PGraphics graphics);
+	SceneRenderPath(Gfx::PGraphics graphics, Gfx::PViewport target);
 	virtual ~SceneRenderPath();
-	virtual void applyArea(Rect area) override;
+	virtual void beginFrame() = 0;
-	virtual void init() override;
+	virtual void render() = 0;
-	virtual void beginFrame() override;
+	virtual void endFrame() = 0;
-	virtual void render() override;
-	virtual void endFrame() override;
 };
 } // namespace Seele

src/Engine/Graphics/SceneView.cpp

@@ -1,10 +1,10 @@
 #include "SceneView.h"
-#include "SceneRenderPath.h"
+#include "ForwardPlusRenderPath.h"
 
-Seele::SceneView::SceneView(Gfx::PGraphics graphics)
+Seele::SceneView::SceneView(Gfx::PGraphics graphics, PWindow owner, const ViewportCreateInfo& createInfo)
-	: View(graphics)
+	: View(graphics, owner, createInfo)
 {
-	renderer = new SceneRenderPath(graphics);
+	renderer = new ForwardPlusRenderPath(graphics, viewport);
 }
 
 Seele::SceneView::~SceneView()

src/Engine/Graphics/SceneView.h

@@ -5,7 +5,7 @@ namespace Seele
 class SceneView : public View
 {
 public:
-	SceneView(Gfx::PGraphics graphics);
+	SceneView(Gfx::PGraphics graphics, PWindow owner, const ViewportCreateInfo& createInfo);
 	~SceneView();
 };
 } // namespace Seele

src/Engine/Graphics/View.cpp

@@ -1,8 +1,11 @@
 #include "View.h"
+#include "Window.h"
 
-Seele::View::View(Gfx::PGraphics graphics)
+Seele::View::View(Gfx::PGraphics graphics, PWindow window, const ViewportCreateInfo& viewportInfo)
 	: graphics(graphics)
+	, owner(owner)
 {
+	viewport = graphics->createViewport(owner->getGfxHandle(), viewportInfo);
 }
 
 Seele::View::~View()
@@ -14,6 +17,11 @@ void Seele::View::beginFrame()
 	renderer->beginFrame();
 }
 
+void Seele::View::render()
+{
+	renderer->render();
+}
+
 void Seele::View::endFrame()
 {
 	renderer->endFrame();

src/Engine/Graphics/View.h

@@ -2,18 +2,22 @@
 #include "RenderPath.h"
 namespace Seele
 {
+DECLARE_REF(Window);
 // A view is a part of the window, which can be anything from a viewport to an editor
 class View
 {
 public:
-	View(Gfx::PGraphics graphics);
+	View(Gfx::PGraphics graphics, PWindow window, const ViewportCreateInfo& createInfo);
 	virtual ~View();
 	void beginFrame();
+	void render();
 	void endFrame();
 	void applyArea(Rect area);
 
 protected:
 	Gfx::PGraphics graphics;
+	Gfx::PViewport viewport;
+	PWindow owner;
 	PRenderPath renderer;
 };
 

src/Engine/Graphics/Vulkan/VulkanGraphicsResources.h

@@ -332,7 +332,8 @@ class Viewport : public Gfx::Viewport
 public:
 	Viewport(PGraphics graphics, PWindow owner, const ViewportCreateInfo &createInfo);
 	virtual ~Viewport();
-
+	virtual void resize(uint32 newX, uint32 newY);
+	virtual void move(uint32 newOffsetX, uint32 newOffsetY);
 protected:
 private:
 	PGraphics graphics;

src/Engine/Graphics/Vulkan/VulkanViewport.cpp

@@ -241,3 +241,15 @@ Viewport::Viewport(PGraphics graphics, PWindow owner, const ViewportCreateInfo &
 Viewport::~Viewport()
 {
 }
+
+void Viewport::resize(uint32 newX, uint32 newY)
+{
+    sizeX = newX;
+    sizeY = newY;
+}
+
+void Viewport::move(uint32 newOffsetX, uint32 newOffsetY)
+{
+    offsetX = newOffsetX;
+    offsetY = newOffsetY;
+}

src/Engine/Graphics/Window.cpp

@@ -0,0 +1,47 @@
+#include "Window.h"
+
+Seele::Window::Window(Gfx::PWindow handle)
+    : gfxHandle(handle)
+{
+}
+
+Seele::Window::~Window()
+{
+    
+}
+
+void Seele::Window::addView(PView view)
+{
+    viewports.add(view);
+}
+
+void Seele::Window::beginFrame()
+{
+    gfxHandle->beginFrame();
+    for(auto view : viewports)
+    {
+        view->beginFrame();
+    }
+}
+
+void Seele::Window::render()
+{
+    for(auto view : viewports)
+    {
+        view->render();
+    }
+}
+
+void Seele::Window::endFrame()
+{
+    gfxHandle->endFrame();
+    for(auto view : viewports)
+    {
+        view->endFrame();
+    }
+}
+
+Gfx::PWindow Seele::Window::getGfxHandle()
+{
+    return gfxHandle;
+}

src/Engine/Graphics/Window.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "GraphicsResources.h"
+#include "View.h"
+
+namespace Seele
+{
+// The logical window, with the graphics proxy
+class Window
+{
+public:
+    Window(Gfx::PWindow handle);
+    ~Window();
+    void addView(PView view);
+    void beginFrame();
+    void render();
+    void endFrame();
+    Gfx::PWindow getGfxHandle();
+private:
+    Array<PView> viewports;
+    Gfx::PWindow gfxHandle;
+};
+DEFINE_REF(Window);
+}

src/Engine/Math/CMakeLists.txt

@@ -2,4 +2,6 @@ target_sources(SeeleEngine
 	PRIVATE
 		Math.h
 		Matrix.h
-		Vector.h)
+		Vector.h
+		Transform.h
+		Transform.cpp)

src/Engine/Math/Math.h

@@ -26,7 +26,7 @@ struct Rect
 };
 struct Rect3D
 {
-	Vector3 size;
+	Vector size;
-	Vector3 offset;
+	Vector offset;
 };
 } // namespace Seele

src/Engine/Math/Transform.cpp

@@ -0,0 +1,84 @@
+#include "Transform.h"
+
+using namespace Seele;
+
+Transform::Transform()
+    : position(Vector4(0, 0, 0, 0)), rotation(Quaternion(0, 0, 0, 0)), scale(Vector4(1, 1, 1, 0))
+{
+}
+
+Transform::Transform(Vector position)
+    : position(Vector4(position, 0)), rotation(Quaternion(0, 0, 0, 0)), scale(Vector4(1, 1, 1, 0))
+{
+}
+Transform::Transform(Vector position, Quaternion rotation)
+    : position(Vector4(position, 0)), rotation(rotation), scale(Vector4(1, 1, 1, 0))
+{
+}
+Transform::Transform(Vector position, Quaternion rotation, Vector scale)
+    : position(Vector4(position, 0)), rotation(rotation), scale(Vector4(scale, 0))
+{
+}
+Transform::Transform(Quaternion rotation, Vector scale)
+    : position(Vector4(0, 0, 0, 0)), rotation(rotation), scale(Vector4(scale, 0))
+{
+}
+Transform::~Transform()
+{
+}
+Vector Transform::inverseTransformPosition(const Vector& v) const
+{
+    return (unrotateVector(rotation, v - Vector(position))) * getSafeScaleReciprocal(scale);
+}
+
+Vector Transform::getSafeScaleReciprocal(const Vector4& inScale, float tolerance) 
+{
+    Vector safeReciprocalScale;
+    if (abs(inScale.x) <= tolerance)
+    {
+        safeReciprocalScale.x = 0.f;
+    }
+    else
+    {
+        safeReciprocalScale.x = 1 / inScale.x;
+    }
+    if (abs(inScale.y) <= tolerance)
+    {
+        safeReciprocalScale.y = 0.f;
+    }
+    else
+    {
+        safeReciprocalScale.y = 1 / inScale.y;
+    }
+    if (abs(inScale.z) <= tolerance)
+    {
+        safeReciprocalScale.z = 0.f;
+    }
+    else
+    {
+        safeReciprocalScale.z = 1 / inScale.z;
+    }
+    return safeReciprocalScale;
+}
+
+inline Vector Transform::getPosition() const
+{
+    return Vector(position);
+}
+
+inline Quaternion Transform::getRotation() const
+{
+    return rotation;
+}
+
+inline Vector Transform::getScale() const
+{
+    return Vector(scale);
+}
+
+inline void Transform::multiply(Transform* outTransform, const Transform* a, const Transform* b) 
+{
+    outTransform->rotation = b->rotation * a->rotation;
+    outTransform->position = b->position * (b->scale * a->position) + b->position;
+    outTransform->scale = b->scale * a->scale;
+}

src/Engine/Math/Transform.h

@@ -0,0 +1,36 @@
+#pragma once
+#include "Vector.h"
+
+namespace Seele
+{
+class Transform
+{
+public:
+    Transform();
+    Transform(Vector position);
+    Transform(Vector position, Quaternion rotation);
+    Transform(Vector position, Quaternion rotation, Vector scale);
+    Transform(Quaternion rotation, Vector scale);
+    ~Transform();
+    Vector inverseTransformPosition(const Vector &v) const;
+    static Vector getSafeScaleReciprocal(const Vector4 &inScale, float tolerance = 0.00001f);
+
+    inline Vector getPosition() const;
+    inline Quaternion getRotation() const;
+    inline Vector getScale() const;
+
+    inline static void multiply(Transform* outTransform, const Transform* a, const Transform* b);
+
+    Transform& operator*(const Transform& other) const
+    {
+        Transform outTransform;
+        multiply(&outTransform, this, &other);
+        return outTransform;
+    }
+
+private:
+    Vector4 position;
+    Quaternion rotation;
+    Vector4 scale;
+};
+} // namespace Seele

src/Engine/Math/Vector.h

@@ -2,10 +2,11 @@
 #include <glm/vec2.hpp>
 #include <glm/vec3.hpp>
 #include <glm/vec4.hpp>
+#include <glm/gtc/quaternion.hpp>
 namespace Seele
 {
 typedef glm::vec2 Vector2;
-typedef glm::vec3 Vector3;
+typedef glm::vec3 Vector;
 typedef glm::vec4 Vector4;
 
 typedef glm::uvec2 UVector2;
@@ -15,4 +16,101 @@ typedef glm::uvec4 UVector4;
 typedef glm::ivec2 IVector2;
 typedef glm::ivec3 IVector3;
 typedef glm::ivec4 IVector4;
+
+typedef glm::quat Quaternion;
+
+static inline float square(float x)
+{
+    return x * x;
+}
+
+static inline Vector unrotateVector(Quaternion quaternion, Vector v)
+{
+	const Vector q(-quaternion.x, -quaternion.y, -quaternion.z);
+	const Vector t = 2.f * glm::cross(q, v);
+	const Vector result = v + (quaternion.w * t) + glm::cross(q, t);
+	return result;
+}
+
+static inline bool equalsQuaternion(const Quaternion& right, const Quaternion& left, float tolerance)
+{
+	return (abs(right.x - left.x) <= tolerance && abs(right.y - left.y) <= tolerance && abs(right.z - left.z) <= tolerance && abs(right.w - left.w) <= tolerance)
+		|| (abs(right.x + left.x) <= tolerance && abs(right.y + left.y) <= tolerance && abs(right.z + left.z) <= tolerance && abs(right.w + left.w) <= tolerance);
+}
+
+static inline float clampRotatorAxis(float angle)
+{
+	angle = fmod(angle, 360.f);
+	if (angle < 0.f)
+	{
+		angle += 360.f;
+	}
+	return angle;
+}
+static inline float normalizeRotatorAxis(float angle)
+{
+	angle = clampRotatorAxis(angle);
+
+	if (angle > 180.f)
+	{
+		angle -= 360.f;
+	}
+	return angle;
+}
+
+static inline Quaternion toQuaternion(const Vector& other)
+{
+	Quaternion result;
+	const float DEG_TO_RAD = glm::pi<float>() / (180.f);
+	const float RADS_DIVIDED_BY_2 = DEG_TO_RAD / 2.f;
+
+	const float PitchNoWinding = fmod(other.x, 360.0f);
+	const float YawNoWinding = fmod(other.y, 360.0f);
+	const float RollNoWinding = fmod(other.z, 360.0f);
+
+	const float SP = sin(PitchNoWinding * RADS_DIVIDED_BY_2);
+	const float SY = sin(YawNoWinding * RADS_DIVIDED_BY_2);
+	const float SR = sin(RollNoWinding * RADS_DIVIDED_BY_2);
+	
+	const float CP = cos(PitchNoWinding * RADS_DIVIDED_BY_2);
+	const float CY = cos(YawNoWinding * RADS_DIVIDED_BY_2);
+	const float CR = cos(RollNoWinding * RADS_DIVIDED_BY_2);
+
+	result.x = CR * SP * SY - SR * CP * CY;
+	result.y = -CR * SP * CY - SR * CP * SY;
+	result.z = CR * CP * SY - SR * SP * CY;
+	result.w = CR * CP * CY + SR * SP * SY;
+	return result;
+}
+
+static inline Vector toRotator(const Quaternion& other)
+{
+	const float singularityTest = other.z * other.x - other.w * other.y;
+	const float yawY = 2.f * (other.w * other.z + other.x * other.y);
+	const float yawX = (1.f - 2.f * (square(other.y) + square(other.z)));
+	
+	const float SINGULARITY_THRESHOLD = 0.4999995f;
+	const float RAD_TO_DEG = (180.f) / glm::pi<float>();
+	Vector rotatorFromQuat;
+
+	if (singularityTest < -SINGULARITY_THRESHOLD)
+	{
+		rotatorFromQuat.x = -90.f;
+		rotatorFromQuat.y = atan2(yawY, yawX) * RAD_TO_DEG;
+		rotatorFromQuat.z = normalizeRotatorAxis(-rotatorFromQuat.y - (2.f * atan2(other.x, other.w) * RAD_TO_DEG));
+	}
+	else if (singularityTest > SINGULARITY_THRESHOLD)
+	{
+		rotatorFromQuat.x = 90.f;
+		rotatorFromQuat.y = atan2(yawY, yawX) * RAD_TO_DEG;
+		rotatorFromQuat.z = normalizeRotatorAxis(rotatorFromQuat.y - (2.f * atan2(other.x, other.w) * RAD_TO_DEG));
+	}
+	else
+	{
+		rotatorFromQuat.x = asin(2.f * (singularityTest)) * RAD_TO_DEG;
+		rotatorFromQuat.y = atan2(yawY, yawX) * RAD_TO_DEG;
+		rotatorFromQuat.z = atan2(-2.f * (other.w * other.x + other.y * other.z), (1.f - 2.f * (square(other.x) + square(other.y)))) * RAD_TO_DEG;
+	}
+	return rotatorFromQuat;
+}
 } // namespace Seele

src/Engine/Scene/Actor/Actor.cpp

@@ -0,0 +1,69 @@
+#include "Actor.h"
+#include "Component.h"
+
+using namespace Seele;
+
+Actor::Actor()
+{
+
+}
+Actor::~Actor()
+{
+
+}
+void Actor::setParent(PActor newParent)
+{
+    parent = newParent;
+}
+void Actor::addChild(PActor child)
+{
+    children.add(child);
+}
+void Actor::detachChild(PActor child)
+{
+    children.remove(children.find(child), false);
+}
+void Actor::setWorldLocation(Vector location)
+{
+    rootComponent->setWorldLocation(location);
+}
+void Actor::setWorldRotation(Vector4 rotation)
+{
+    rootComponent->setWorldRotation(rotation);
+}
+void Actor::setWorldScale(Vector scale)
+{
+    rootComponent->setWorldScale(scale);
+}
+void Actor::setRelativeLocation(Vector location)
+{
+    rootComponent->setRelativeLocation(location);
+}
+void Actor::setRelativeRotation(Vector4 rotation)
+{
+    rootComponent->setRelativeRotation(rotation);
+}
+void Actor::setRelativeScale(Vector scale)
+{
+    rootComponent->setRelativeScale(scale);
+}
+void Actor::addWorldTranslation(Vector translation)
+{
+    rootComponent->addWorldTranslation(translation);
+}
+void Actor::addWorldRotation(Vector4 rotation)
+{
+    rootComponent->addWorldRotation(rotation);
+}
+void Actor::addWorldScale(Vector scale)
+{
+    rootComponent->addWorldScale(scale);
+}
+PComponent Actor::getRootComponent()
+{
+    return rootComponent;
+}
+void Actor::setRootComponent(PComponent newRoot)
+{
+    rootComponent = newRoot;
+}

src/Engine/Scene/Actor/Actor.h

@@ -0,0 +1,40 @@
+#pragma once
+#include "MinimalEngine.h"
+#include "Transform.h"
+
+namespace Seele
+{
+DECLARE_REF(Actor);
+DECLARE_REF(Component);
+class Actor
+{
+public:
+    Actor();
+    virtual ~Actor();
+    void setParent(PActor parent);
+    PActor getParent();
+    void addChild(PActor child);
+    void detachChild(PActor child);
+    Array<PActor> getChildren();
+    void setWorldLocation(Vector location);
+    void setWorldRotation(Vector4 rotation);
+    void setWorldScale(Vector scale);
+
+    void setRelativeLocation(Vector location);
+    void setRelativeRotation(Vector4 rotation);
+    void setRelativeScale(Vector scale);
+    
+    void addWorldTranslation(Vector translation);
+    void addWorldRotation(Vector4 rotation);
+    void addWorldScale(Vector scale);
+    
+    PComponent getRootComponent();
+    void setRootComponent(PComponent newRoot);
+private:
+    PActor parent;
+    Array<PActor> children;
+    PComponent rootComponent;
+    Transform transform;
+};
+DEFINE_REF(Actor);
+}

src/Engine/Scene/Actor/CMakeLists.txt

@@ -0,0 +1,4 @@
+target_sources(SeeleEngine
+    PRIVATE
+        Actor.cpp
+        Actor.h)

src/Engine/Scene/CMakeLists.txt

@@ -0,0 +1,7 @@
+target_sources(SeeleEngine
+	PRIVATE
+        Scene.cpp
+        Scene.h)
+
+add_subdirectory(Actor/)
+add_subdirectory(Components/)

src/Engine/Scene/Components/CMakeLists.txt

@@ -0,0 +1,6 @@
+target_sources(SeeleEngine
+    PRIVATE
+        Component.h
+        Component.cpp
+        PrimitiveComponent.cpp
+        PrimitiveComponent.h)

src/Engine/Scene/Components/Component.cpp

@@ -0,0 +1,108 @@
+#include "Component.h"
+
+using namespace Seele;
+
+Component::Component()
+{
+}
+Component::~Component()
+{
+}
+PComponent Component::getParent()
+{
+    
+}
+PActor Component::getOwner()
+{
+
+}
+void Component::setWorldLocation(Vector location)
+{
+}
+void Component::setWorldRotation(Vector rotation)
+{
+}
+void Component::setWorldRotation(Quaternion rotation)
+{
+}
+void Component::setWorldScale(Vector scale)
+{
+}
+void Component::setRelativeLocation(Vector location)
+{
+}
+void Component::setRelativeRotation(Vector rotation)
+{
+}
+void Component::setRelativeRotation(Quaternion rotation)
+{
+}
+void Component::setRelativeScale(Vector scale)
+{
+}
+void Component::addWorldTranslation(Vector translation)
+{
+}
+void Component::addWorldRotation(Vector rotation)
+{
+}
+void Component::addWorldRotation(Quaternion rotation)
+{
+}
+void Component::addWorldScale(Vector scale)
+{
+}
+Transform Component::getTransform() const
+{
+    return transform;
+}
+
+void Component::internalSetTransform(Vector newLocation, Quaternion newRotation)
+{
+    if(parent != nullptr)
+    {
+        Transform parentTransform = parent->getTransform();
+        newLocation = parentTransform.inverseTransformPosition(newLocation);
+        newRotation = glm::inverse(parentTransform.getRotation()) * newRotation;
+    }
+
+    const Vector newRelRotation = toRotator(newRotation);
+    if(newLocation != relativeLocation || newRelRotation != relativeLocation)
+    {
+        relativeLocation = newLocation;
+        relativeRotation = newRelRotation;
+        updateComponentTransform(newRelRotation);
+    }
+}
+
+void Component::propagateTransformUpdate() 
+{
+    for(auto child : children)
+    {
+        if(child != nullptr)
+        {
+            child->updateComponentTransform(child->relativeRotation);
+        }
+    }
+}
+
+void Component::updateComponentTransform(Quaternion relativeRotationQuat) 
+{
+    if(parent != nullptr && !parent->bComponentTransformClean)
+    {
+        parent->updateComponentTransform(parent->relativeRotation);
+
+        if(bComponentTransformClean)
+        {
+            return;
+        }
+    }
+    bComponentTransformClean = true;
+    Transform newTransform;
+    const Transform relTransform(relativeLocation, relativeRotationQuat, relativeScale);
+    if(parent != nullptr)
+    {
+        newTransform = parent->getTransform() * relTransform;
+    }
+    
+}

src/Engine/Scene/Components/Component.h

@@ -0,0 +1,48 @@
+#pragma once
+#include "MinimalEngine.h"
+#include "Transform.h"
+
+namespace Seele
+{
+DECLARE_REF(Actor);
+class Component
+{
+public:
+    Component();
+    virtual ~Component();
+    PComponent getParent();
+    void setParent(PComponent parent);
+    PActor getOwner();
+    void setOwner(PActor owner);
+
+    void setWorldLocation(Vector location);
+    void setWorldRotation(Vector rotation);
+    void setWorldRotation(Quaternion rotation);
+    void setWorldScale(Vector scale);
+
+    void setRelativeLocation(Vector location);
+    void setRelativeRotation(Vector rotation);
+    void setRelativeRotation(Quaternion rotation);
+    void setRelativeScale(Vector scale);
+    
+    void addWorldTranslation(Vector translation);
+    void addWorldRotation(Vector rotation);
+    void addWorldRotation(Quaternion rotation);
+    void addWorldScale(Vector scale);
+
+    Transform getTransform() const;
+private:
+    void internalSetTransform(Vector newLocation, Quaternion newRotation);
+    void propagateTransformUpdate();
+    void updateComponentTransform(Quaternion relativeRotationQuat);
+    uint8 bComponentTransformClean:1;
+    Vector relativeLocation;
+    Vector relativeRotation;
+    Vector relativeScale;
+    Transform transform;
+    PActor owner;
+    PComponent parent;
+    Array<PComponent> children;
+};
+DEFINE_REF(Component)
+}

src/Engine/Scene/Components/PrimitiveComponent.h

@@ -0,0 +1,12 @@
+#pragma once
+#include "Component.h"
+
+namespace Seele
+{
+class PrimitiveComponent : public Component
+{
+public:
+private:
+
+};
+}

src/Engine/Scene/Scene.h

@@ -0,0 +1,14 @@
+#include "MinimalEngine.h"
+#include "Actor/Actor.h"
+
+namespace Seele
+{
+class Scene
+{
+public:
+    Scene();
+    ~Scene();
+private:
+    Array<PActor> rootActors;
+};
+}