Fix cPawn pushing

cPawn instances can no longer push an entity they are attached to. cEntity now has a IsAttachedTo method.

src/Entities/Entity.cpp

@@ -1864,6 +1864,19 @@ bool cEntity::IsA(const char * a_ClassName) const
 
 
 
+bool cEntity::IsAttachedTo(const cEntity * a_Entity) const
+{
+	if ((m_AttachedTo != nullptr) && (a_Entity->GetUniqueID() == m_AttachedTo->GetUniqueID()))
+	{
+		return true;
+	}
+	return false;
+}
+
+
+
+
+
 void cEntity::SetHeadYaw(double a_HeadYaw)
 {
 	m_HeadYaw = a_HeadYaw;