Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-21 09:24:00 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

try to avoid negative roll-over when moving to or from server time

Browse source
This commit is contained in:
Seth Alves 2015-10-27 10:27:32 -07:00
parent 7d9b566d0a
commit 4c64da9ce5
1 changed files with 16 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
libraries/physics/src/ObjectAction.cpp
View file

@ -247,15 +247,29 @@ bool ObjectAction::lifetimeIsOver() {
}
quint64 ObjectAction::localTimeToServerTime(quint64 timeValue) const {
// 0 indicates no expiration
if (timeValue == 0) {
return 0;
}
return timeValue + getEntityServerClockSkew();
int serverClockSkew = getEntityServerClockSkew();
if (serverClockSkew < 0 && timeValue <= (quint64)(-serverClockSkew)) {
return 1; // non-zero but long-expired value to avoid negative roll-over
}
return timeValue + serverClockSkew;
}
quint64 ObjectAction::serverTimeToLocalTime(quint64 timeValue) const {
// 0 indicates no expiration
if (timeValue == 0) {
return 0;
}
return timeValue - getEntityServerClockSkew();
int serverClockSkew = getEntityServerClockSkew();
if (serverClockSkew > 0 && timeValue <= (quint64)serverClockSkew) {
return 1; // non-zero but long-expired value to avoid negative roll-over
}
return timeValue - serverClockSkew;
}