struct EntityCloneState {
  class CXServerSlot* m_pServerSlot;
  Vec3 m_v3Angles;
  bool m_bLocalplayer;
  bool m_bSyncYAngle;
  bool m_bSyncAngles;
  bool m_bSyncPosition;
  float m_fWriteStepBack;
  bool m_bOffSync;
};

IEntitySerialize.h

bool m_bLocalplayer;

!< say if this entity is the entity of the player

bool m_bOffSync;

!<

bool m_bSyncAngles;

!< can be changed dynamically (1 bit)

bool m_bSyncPosition;

!< can be changed dynamically (1 bit)

bool m_bSyncYAngle;

!< can be changed dynamically (1 bit), only used if m_bSyncAngles==true, usually not used by players (roll)

float m_fWriteStepBack;

!<

class CXServerSlot* m_pServerSlot;

!< destination serverslot, 0 if not used

Vec3 m_v3Angles;

!<

EntityCloneState();

! constructor

EntityCloneState(const EntityCloneState& ecs);

! destructor