| 1579 | } |
| 1580 | |
| 1581 | void RigidShape::unpackUpdate(NetConnection *con, BitStream *stream) |
| 1582 | { |
| 1583 | Parent::unpackUpdate(con,stream); |
| 1584 | |
| 1585 | if (stream->readFlag()) |
| 1586 | return; |
| 1587 | |
| 1588 | mDelta.move.unpack(stream); |
| 1589 | |
| 1590 | if (stream->readFlag()) |
| 1591 | { |
| 1592 | // Check if we need to jump to the given transform |
| 1593 | // rather than interpolate to it. |
| 1594 | bool forceUpdate = stream->readFlag(); |
| 1595 | |
| 1596 | mPredictionCount = sMaxPredictionTicks; |
| 1597 | F32 speed = mRigid.linVelocity.len(); |
| 1598 | mDelta.warpRot[0] = mRigid.angPosition; |
| 1599 | |
| 1600 | // Read in new position and momentum values |
| 1601 | stream->readCompressedPoint(&mRigid.linPosition); |
| 1602 | mathRead(*stream, &mRigid.angPosition); |
| 1603 | mathRead(*stream, &mRigid.linMomentum); |
| 1604 | mathRead(*stream, &mRigid.angMomentum); |
| 1605 | mRigid.atRest = stream->readFlag(); |
| 1606 | mRigid.updateVelocity(); |
| 1607 | |
| 1608 | if (!forceUpdate && isProperlyAdded()) |
| 1609 | { |
| 1610 | // Determine number of ticks to warp based on the average |
| 1611 | // of the client and server velocities. |
| 1612 | Point3F cp = mDelta.pos + mDelta.posVec * mDelta.dt; |
| 1613 | mDelta.warpOffset = mRigid.linPosition - cp; |
| 1614 | |
| 1615 | // Calc the distance covered in one tick as the average of |
| 1616 | // the old speed and the new speed from the server. |
| 1617 | F32 dt,as = (speed + mRigid.linVelocity.len()) * 0.5 * TickSec; |
| 1618 | |
| 1619 | // Cal how many ticks it will take to cover the warp offset. |
| 1620 | // If it's less than what's left in the current tick, we'll just |
| 1621 | // warp in the remaining time. |
| 1622 | if (!as || (dt = mDelta.warpOffset.len() / as) > sMaxWarpTicks) |
| 1623 | dt = mDelta.dt + sMaxWarpTicks; |
| 1624 | else |
| 1625 | dt = (dt <= mDelta.dt)? mDelta.dt : mCeil(dt - mDelta.dt) + mDelta.dt; |
| 1626 | |
| 1627 | // Adjust current frame interpolation |
| 1628 | if (mDelta.dt) |
| 1629 | { |
| 1630 | mDelta.pos = cp + (mDelta.warpOffset * (mDelta.dt / dt)); |
| 1631 | mDelta.posVec = (cp - mDelta.pos) / mDelta.dt; |
| 1632 | QuatF cr; |
| 1633 | cr.interpolate(mDelta.rot[1],mDelta.rot[0],mDelta.dt); |
| 1634 | mDelta.rot[1].interpolate(cr,mRigid.angPosition,mDelta.dt / dt); |
| 1635 | mDelta.rot[0].extrapolate(mDelta.rot[1],cr,mDelta.dt); |
| 1636 | } |
| 1637 | |
| 1638 | // Calculated multi-tick warp |
nothing calls this directly
no test coverage detected