Utility/Node: Massively improve skeletal animations performance by allowing to invalidate the whole skeleton only once

Thanks to @SirMishaa for pointing that out

src/Nazara/Utility/Joint.cpp

@@ -3,86 +3,14 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Utility/Joint.hpp>
-#include <Nazara/Utility/Skeleton.hpp>
 #include <Nazara/Utility/Debug.hpp>
 
 namespace Nz
 {
-	Joint::Joint(Skeleton* skeleton) :
-	m_skeleton(skeleton),
-	m_skinningMatrixUpdated(false)
+	void Joint::InvalidateNode(Invalidation invalidation)
 	{
-	}
-
-	Joint::Joint(const Joint& joint) :
-	Node(joint),
-	m_inverseBindMatrix(joint.m_inverseBindMatrix),
-	m_name(joint.m_name),
-	m_skeleton(joint.m_skeleton),
-	m_skinningMatrixUpdated(false)
-	{
-	}
-
-	void Joint::EnsureSkinningMatrixUpdate() const
-	{
-		if (!m_skinningMatrixUpdated)
-			UpdateSkinningMatrix();
-	}
-
-	const Matrix4f& Joint::GetInverseBindMatrix() const
-	{
-		return m_inverseBindMatrix;
-	}
-
-	const std::string& Joint::GetName() const
-	{
-		return m_name;
-	}
-
-	Skeleton* Joint::GetSkeleton()
-	{
-		return m_skeleton;
-	}
-
-	const Skeleton* Joint::GetSkeleton() const
-	{
-		return m_skeleton;
-	}
-
-	const Matrix4f& Joint::GetSkinningMatrix() const
-	{
-		if (!m_skinningMatrixUpdated)
-			UpdateSkinningMatrix();
-
-		return m_skinningMatrix;
-	}
-
-	void Joint::SetInverseBindMatrix(const Matrix4f& matrix)
-	{
-		m_inverseBindMatrix = matrix;
-		m_skinningMatrixUpdated = false;
-	}
-
-	void Joint::SetName(std::string name)
-	{
-		m_name = std::move(name);
-
-		m_skeleton->InvalidateJointMap();
-	}
-
-	void Joint::InvalidateNode()
-	{
-		Node::InvalidateNode();
+		Node::InvalidateNode(invalidation);
 
 		m_skinningMatrixUpdated = false;
 	}
-
-	void Joint::UpdateSkinningMatrix() const
-	{
-		if (!m_transformMatrixUpdated)
-			UpdateTransformMatrix();
-
-		m_skinningMatrix = Matrix4f::ConcatenateTransform(m_inverseBindMatrix, m_transformMatrix);
-		m_skinningMatrixUpdated = true;
-	}
 }