struct SCharUpdateFeedback {
  int flags;
  IPhysicalEntity * pPhysHost;
  Matrix34 mtxDelta;
};

ICryAnimation.h

int flags;

1 if pPhysHost is valid, |2 is mtxDelta is valid

Matrix34 mtxDelta;

tells the caller to instantly post-multiply its matrix with this one

IPhysicalEntity * pPhysHost;

tells the caller to restore this host as the main phys entity

SCharUpdateFeedback();