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Update LastSentPosition when entity has no speed (#4487) 

* Update LastSentPosition when entity has no speed

* Restructure BroadcastMovementUpdate and always process relmove
This commit is contained in:
peterbell10 2020-03-04 14:47:51 +00:00 committed by GitHub
parent aba329544f
commit d7a726a423
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 53 additions and 56 deletions
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109
src/Entities/Entity.cpp
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@ -1878,72 +1878,69 @@ void cEntity::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ)
void cEntity::BroadcastMovementUpdate(const cClientHandle * a_Exclude)
{
// Process packet sending every two ticks
if (GetWorld()->GetWorldAge() % 2 == 0)
if (GetWorld()->GetWorldAge() % 2 != 0)
{
double SpeedSqr = GetSpeed().SqrLength();
if (SpeedSqr == 0.0)
return;
}
if (GetSpeed().HasNonZeroLength())
{
// Movin'
m_World->BroadcastEntityVelocity(*this, a_Exclude);
m_bHasSentNoSpeed = false;
}
else
{
// Speed is zero, send this to clients once only as well as an absolute position
if (!m_bHasSentNoSpeed)
{
// Speed is zero, send this to clients once only as well as an absolute position
if (!m_bHasSentNoSpeed)
m_World->BroadcastEntityVelocity(*this, a_Exclude);
m_World->BroadcastTeleportEntity(*this, a_Exclude);
m_LastSentPosition = GetPosition();
m_bHasSentNoSpeed = true;
}
}
// TODO: Pickups move disgracefully if relative move packets are sent as opposed to just velocity. Have a system to send relmove only when SetPosXXX() is called with a large difference in position
Vector3i Diff = (GetPosition() * 32.0).Floor() - (m_LastSentPosition * 32.0).Floor();
if (Diff.HasNonZeroLength()) // Have we moved?
{
if ((abs(Diff.x) <= 127) && (abs(Diff.y) <= 127) && (abs(Diff.z) <= 127)) // Limitations of a Byte
{
// Difference within Byte limitations, use a relative move packet
if (m_bDirtyOrientation)
{
m_World->BroadcastEntityVelocity(*this, a_Exclude);
m_World->BroadcastTeleportEntity(*this, a_Exclude);
m_bHasSentNoSpeed = true;
m_World->BroadcastEntityRelMoveLook(*this, Vector3<Int8>(Diff), a_Exclude);
m_bDirtyOrientation = false;
}
else
{
m_World->BroadcastEntityRelMove(*this, Vector3<Int8>(Diff), a_Exclude);
}
// Clients seem to store two positions, one for the velocity packet and one for the teleport / relmove packet
// The latter is only changed with a relmove / teleport, and m_LastSentPosition stores this position
m_LastSentPosition = GetPosition();
}
else
{
// Movin'
m_World->BroadcastEntityVelocity(*this, a_Exclude);
m_bHasSentNoSpeed = false;
}
// Only send movement if speed is not 0 and 'no speed' was sent to client
if (!m_bHasSentNoSpeed || IsPlayer())
{
// TODO: Pickups move disgracefully if relative move packets are sent as opposed to just velocity. Have a system to send relmove only when SetPosXXX() is called with a large difference in position
Vector3i Diff = (GetPosition() * 32.0).Floor() - (m_LastSentPosition * 32.0).Floor();
if (Diff.HasNonZeroLength()) // Have we moved?
{
if ((abs(Diff.x) <= 127) && (abs(Diff.y) <= 127) && (abs(Diff.z) <= 127)) // Limitations of a Byte
{
// Difference within Byte limitations, use a relative move packet
if (m_bDirtyOrientation)
{
m_World->BroadcastEntityRelMoveLook(*this, Vector3<Int8>(Diff), a_Exclude);
m_bDirtyOrientation = false;
}
else
{
m_World->BroadcastEntityRelMove(*this, Vector3<Int8>(Diff), a_Exclude);
}
// Clients seem to store two positions, one for the velocity packet and one for the teleport / relmove packet
// The latter is only changed with a relmove / teleport, and m_LastSentPosition stores this position
m_LastSentPosition = GetPosition();
}
else
{
// Too big a movement, do a teleport
m_World->BroadcastTeleportEntity(*this, a_Exclude);
m_LastSentPosition = GetPosition(); // See above
m_bDirtyOrientation = false;
}
}
}
if (m_bDirtyHead)
{
m_World->BroadcastEntityHeadLook(*this, a_Exclude);
m_bDirtyHead = false;
}
if (m_bDirtyOrientation)
{
// Send individual update in case above (sending with rel-move packet) wasn't done
GetWorld()->BroadcastEntityLook(*this, a_Exclude);
// Too big a movement, do a teleport
m_World->BroadcastTeleportEntity(*this, a_Exclude);
m_LastSentPosition = GetPosition(); // See above
m_bDirtyOrientation = false;
}
}
if (m_bDirtyHead)
{
m_World->BroadcastEntityHeadLook(*this, a_Exclude);
m_bDirtyHead = false;
}
if (m_bDirtyOrientation)
{
// Send individual update in case above (sending with rel-move packet) wasn't done
GetWorld()->BroadcastEntityLook(*this, a_Exclude);
m_bDirtyOrientation = false;
}
}