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start adding LegacySitOffsets option. TRUE will prevent the use of new math for the compensation of SL sittarget bug, and so not break content. (this is the main code change)

LSLKeyTest
UbitUmarov 2015-11-17 17:41:09 +00:00
parent eab427e58b
commit da5aad87bf
2 changed files with 71 additions and 20 deletions
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7
OpenSim/Region/Framework/Scenes/Scene.cs
View File

@ -228,7 +228,12 @@ namespace OpenSim.Region.Framework.Scenes
public bool m_allowScriptCrossings = true;
/// <summary>
/// use legacy sittarget offsets to avoid contents breaks
/// to compensate for SL bug
/// </summary>
public bool LegacySitOffsets = true;
/// <summary>
/// Can avatars cross from and to this region?
/// </summary>
public bool AllowAvatarCrossing { get; set; }
@ -960,6 +965,8 @@ namespace OpenSim.Region.Framework.Scenes
m_defaultDrawDistance = startupConfig.GetFloat("DefaultDrawDistance", m_defaultDrawDistance);
m_maxDrawDistance = startupConfig.GetFloat("MaxDrawDistance", m_maxDrawDistance);
LegacySitOffsets = startupConfig.GetBoolean("LegacyOpenSimSitOffsets", LegacySitOffsets);
if (m_defaultDrawDistance > m_maxDrawDistance)
m_defaultDrawDistance = m_maxDrawDistance;

58
OpenSim/Region/Framework/Scenes/ScenePresence.cs
View File

@ -144,6 +144,7 @@ namespace OpenSim.Region.Framework.Scenes
/// issue #1716
/// </summary>
public static readonly Vector3 SIT_TARGET_ADJUSTMENT = new Vector3(0.0f, 0.0f, 0.4f);
public bool LegacySitOffsets = true;
/// <summary>
/// Movement updates for agents in neighboring regions are sent directly to clients.
@ -1003,6 +1004,7 @@ namespace OpenSim.Region.Framework.Scenes
m_name = String.Format("{0} {1}", Firstname, Lastname);
m_uuid = client.AgentId;
LocalId = m_scene.AllocateLocalId();
LegacySitOffsets = m_scene.LegacySitOffsets;
UserAccount account = m_scene.UserAccountService.GetUserAccount(m_scene.RegionInfo.ScopeID, m_uuid);
if (account != null)
@ -3211,17 +3213,49 @@ namespace OpenSim.Region.Framework.Scenes
// "[SCENE PRESENCE]: Sitting {0} at sit target {1}, {2} on {3} {4}",
// Name, sitTargetPos, sitTargetOrient, part.Name, part.LocalId);
//Quaternion vq = new Quaternion(sitTargetPos.X, sitTargetPos.Y+0.2f, sitTargetPos.Z+0.2f, 0);
//Quaternion nq = new Quaternion(-sitTargetOrient.X, -sitTargetOrient.Y, -sitTargetOrient.Z, sitTargetOrient.w);
//Quaternion result = (sitTargetOrient * vq) * nq;
double x, y, z, m;
Vector3 sitOffset;
Quaternion r = sitTargetOrient;
if(LegacySitOffsets)
{
double m1,m2;
m1 = r.X * r.X + r.Y * r.Y;
m2 = r.Z * r.Z + r.W * r.W;
// Rotate the vector <0, 0, 1>
x = 2 * (r.X * r.Z + r.Y * r.W);
y = 2 * (-r.X * r.W + r.Y * r.Z);
z = m2 - m1;
// Set m to be the square of the norm of r.
m = m1 + m2;
// This constant is emperically determined to be what is used in SL.
// See also http://opensimulator.org/mantis/view.php?id=7096
double offset = 0.05;
// Normally m will be ~ 1, but if someone passed a handcrafted quaternion
// to llSitTarget with values so small that squaring them is rounded off
// to zero, then m could be zero. The result of this floating point
// round off error (causing us to skip this impossible normalization)
// is only 5 cm.
if (m > 0.000001)
{
offset /= m;
}
Vector3 up = new Vector3((float)x, (float)y, (float)z);
sitOffset = up * (float)offset;
}
else
{
m = r.X * r.X + r.Y * r.Y + r.Z * r.Z + r.W * r.W;
if (Math.Abs(1.0 - m) > 0.000001)
{
if(m != 0)
{
m = 1.0 / Math.Sqrt(m);
r.X *= (float)m;
@ -3229,12 +3263,22 @@ namespace OpenSim.Region.Framework.Scenes
r.Z *= (float)m;
r.W *= (float)m;
}
else
{
r.X = 0.0f;
r.Y = 0.0f;
r.Z = 0.0f;
r.W = 1.0f;
m = 1.0f;
}
}
x = 2 * (r.X * r.Z + r.Y * r.W);
y = 2 * (-r.X * r.W + r.Y * r.Z);
z = -r.X * r.X - r.Y * r.Y + r.Z * r.Z + r.W * r.W;
Vector3 up = new Vector3((float)x, (float)y, (float)z);
Vector3 sitOffset = up * Appearance.AvatarHeight * 0.02638f;
sitOffset = up * Appearance.AvatarHeight * 0.02638f;
}
Vector3 newPos = sitTargetPos + sitOffset + SIT_TARGET_ADJUSTMENT;
Quaternion newRot;