Revert "netcode: unreliable updates"

This reverts commit 13ff574f3067094b9c252b6353fa0df5d6317624.

Revert "netcode: easing"

This reverts commit c7da20800d035a6491e612693b2039aa99988c15.

netcode: easing

netcode: unreliable updates

netcode: part updates (mystery performance issue, probably related to lots of malloc())