search string fov_desired, xref
look for the following snippet:
if ( (_DWORD)PlayerInfo != -1 )
v4 = (_DWORD)PlayerInfo - 1;
v31 = (_BYTE *)v30(g_Source2EngineToServer, v4, "fov_desired");You should have the oldname, newname and player_changename on the function.
the current function is CGameRules::ClientSettingsChanged
prototype: bool CGameRules::ClientSettingsChanged(CGameRules *pGameRules, CBasePlayerController *pPlayerController)
dll: server