private void TerseUpdateHandler(Packet packet, Simulator simulator)
{
float x, y, z, w;
uint localid;
LLVector4 CollisionPlane = LLVector4.Zero;
LLVector3 Position;
LLVector3 Velocity;
LLVector3 Acceleration;
LLQuaternion Rotation;
LLVector3 RotationVelocity;
ImprovedTerseObjectUpdatePacket update = (ImprovedTerseObjectUpdatePacket)packet;
foreach (ImprovedTerseObjectUpdatePacket.ObjectDataBlock block in update.ObjectData)
{
int i = 0;
bool avatar;
localid = (uint)(block.Data[i++] + (block.Data[i++] << 8) +
(block.Data[i++] << 16) + (block.Data[i++] << 24));
byte state = block.Data[i++];
avatar = Convert.ToBoolean(block.Data[i++]);
if (avatar)
{
if (OnAvatarMoved == null) return;
CollisionPlane = new LLVector4(block.Data, i);
i += 16;
}
else
{
if (OnPrimMoved == null) return;
}
// Position
Position = new LLVector3(block.Data, i);
i += 12;
// Velocity
x = Dequantize(block.Data, i, -128.0F, 128.0F);
i += 2;
y = Dequantize(block.Data, i, -128.0F, 128.0F);
i += 2;
z = Dequantize(block.Data, i, -128.0F, 128.0F);
i += 2;
Velocity = new LLVector3(x, y, z);
// Acceleration
x = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
y = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
z = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
Acceleration = new LLVector3(x, y, z);
// Rotation
x = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
y = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
z = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
w = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
Rotation = new LLQuaternion(x, y, z, w);
// Rotation velocity
x = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
y = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
z = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
RotationVelocity = new LLVector3(x, y, z);
if (avatar)
{
if (localid == Client.Self.LocalID)
{
Client.Self.Position = Position;
Client.Self.Rotation = Rotation;
}
AvatarUpdate avupdate = new AvatarUpdate();
avupdate.LocalID = localid;
avupdate.State = state;
avupdate.Position = Position;
avupdate.CollisionPlane = CollisionPlane;
avupdate.Velocity = Velocity;
avupdate.Acceleration = Acceleration;
avupdate.Rotation = Rotation;
avupdate.RotationVelocity = RotationVelocity;
avupdate.Textures = new TextureEntry(block.TextureEntry, 4, block.TextureEntry.Length - 4);
if (OnAvatarMoved != null)
{
OnAvatarMoved(simulator, avupdate, update.RegionData.RegionHandle, update.RegionData.TimeDilation);
}
}
else
{
// TODO: Is there an easy way to distinguish prims from trees in this packet,
// or would the client have to do it's own lookup to determine whether it's a
// prim or a tree? If the latter, we should rename this update to something
// less prim specific
PrimUpdate primupdate = new PrimUpdate();
primupdate.LocalID = localid;
primupdate.State = state;
primupdate.Position = Position;
primupdate.Velocity = Velocity;
primupdate.Acceleration = Acceleration;
primupdate.Rotation = Rotation;
primupdate.RotationVelocity = RotationVelocity;
primupdate.Textures = new TextureEntry(block.TextureEntry, 4, block.TextureEntry.Length - 4);
if (OnPrimMoved != null)
{
OnPrimMoved(simulator, primupdate, update.RegionData.RegionHandle, update.RegionData.TimeDilation);
}
}
}
}
private void TerseUpdateHandler(Packet packet, Simulator simulator)
{
float x, y, z, w;
uint localid;
LLVector4 CollisionPlane = null;
LLVector3 Position;
LLVector3 Velocity;
LLVector3 Acceleration;
LLQuaternion Rotation;
LLVector3 RotationVelocity;
ImprovedTerseObjectUpdatePacket update = (ImprovedTerseObjectUpdatePacket)packet;
foreach (ImprovedTerseObjectUpdatePacket.ObjectDataBlock block in update.ObjectData)
{
int i = 0;
bool avatar;
localid = (uint)(block.Data[i++] + (block.Data[i++] << 8) +
(block.Data[i++] << 16) + (block.Data[i++] << 24));
byte state = block.Data[i++];
avatar = Convert.ToBoolean(block.Data[i++]);
if (avatar)
{
if (OnAvatarMoved == null)
{
return;
}
CollisionPlane = new LLVector4(block.Data, i);
i += 16;
}
else
{
if (OnPrimMoved == null)
{
return;
}
}
// Position
Position = new LLVector3(block.Data, i);
i += 12;
// Velocity
x = Dequantize(block.Data, i, -128.0F, 128.0F);
i += 2;
y = Dequantize(block.Data, i, -128.0F, 128.0F);
i += 2;
z = Dequantize(block.Data, i, -128.0F, 128.0F);
i += 2;
Velocity = new LLVector3(x, y, z);
// Acceleration
x = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
y = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
z = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
Acceleration = new LLVector3(x, y, z);
// Rotation
x = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
y = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
z = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
w = Dequantize(block.Data, i, -1.0F, 1.0F);
i += 2;
Rotation = new LLQuaternion(x, y, z, w);
// Rotation velocity
x = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
y = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
z = Dequantize(block.Data, i, -64.0F, 64.0F);
i += 2;
RotationVelocity = new LLVector3(x, y, z);
if (avatar)
{
if (localid == Client.Self.LocalID)
{
Client.Self.Position = Position;
Client.Self.Rotation = Rotation;
}
AvatarUpdate avupdate = new AvatarUpdate();
avupdate.LocalID = localid;
avupdate.State = state;
avupdate.Position = Position;
avupdate.CollisionPlane = CollisionPlane;
avupdate.Velocity = Velocity;
avupdate.Acceleration = Acceleration;
avupdate.Rotation = Rotation;
avupdate.RotationVelocity = RotationVelocity;
if (OnAvatarMoved != null)
{
OnAvatarMoved(simulator, avupdate, update.RegionData.RegionHandle, update.RegionData.TimeDilation);
}
}
else
{
// TODO: Is there an easy way to distinguish prims from trees in this packet,
// or would the client have to do it's own lookup to determine whether it's a
// prim or a tree? If the latter, we should rename this update to something
// less prim specific
PrimUpdate primupdate = new PrimUpdate();
primupdate.LocalID = localid;
primupdate.State = state;
primupdate.Position = Position;
primupdate.Velocity = Velocity;
primupdate.Acceleration = Acceleration;
primupdate.Rotation = Rotation;
primupdate.RotationVelocity = RotationVelocity;
if (OnPrimMoved != null)
{
OnPrimMoved(simulator, primupdate, update.RegionData.RegionHandle, update.RegionData.TimeDilation);
}
}
}
}
public static bool TryParse(string val, out LLVector4 result)
{
try
{
result = Parse(val);
return true;
}
catch (Exception)
{
result = new LLVector4();
return false;
}
}
/// <summary>
/// Used for new prims, or significant changes to existing prims
/// </summary>
/// <param name="packet"></param>
/// <param name="simulator"></param>
protected void UpdateHandler(Packet packet, Simulator simulator)
{
ObjectUpdatePacket update = (ObjectUpdatePacket)packet;
UpdateDilation(simulator, update.RegionData.TimeDilation);
for (int b = 0; b < update.ObjectData.Length; b++)
{
ObjectUpdatePacket.ObjectDataBlock block = update.ObjectData[b];
LLVector4 collisionPlane = LLVector4.Zero;
LLVector3 position;
LLVector3 velocity;
LLVector3 acceleration;
LLQuaternion rotation;
LLVector3 angularVelocity;
NameValue[] nameValues;
bool attachment = false;
PCode pcode = (PCode)block.PCode;
#region Relevance check
// Check if we are interested in this object
if (!Client.Settings.ALWAYS_DECODE_OBJECTS)
{
switch (pcode)
{
case PCode.Grass:
case PCode.Tree:
case PCode.NewTree:
if (OnNewFoliage == null) continue;
break;
case PCode.Prim:
if (OnNewPrim == null) continue;
break;
case PCode.Avatar:
// Make an exception for updates about our own agent
if (block.FullID != Client.Self.AgentID && OnNewAvatar == null) continue;
break;
case PCode.ParticleSystem:
continue; // TODO: Do something with these
}
}
#endregion Relevance check
#region NameValue parsing
string nameValue = Helpers.FieldToUTF8String(block.NameValue);
if (nameValue.Length > 0)
{
string[] lines = nameValue.Split('\n');
nameValues = new NameValue[lines.Length];
for (int i = 0; i < lines.Length; i++)
{
if (!String.IsNullOrEmpty(lines[i]))
{
NameValue nv = new NameValue(lines[i]);
if (nv.Name == "AttachItemID") attachment = true;
nameValues[i] = nv;
}
}
}
else
{
nameValues = new NameValue[0];
}
#endregion NameValue parsing
#region Decode Object (primitive) parameters
LLObject.ObjectData data = new LLObject.ObjectData();
data.State = block.State;
data.Material = (LLObject.MaterialType)block.Material;
data.PathCurve = (LLObject.PathCurve)block.PathCurve;
data.profileCurve = block.ProfileCurve;
data.PathBegin = LLObject.UnpackBeginCut(block.PathBegin);
data.PathEnd = LLObject.UnpackEndCut(block.PathEnd);
data.PathScaleX = LLObject.UnpackPathScale(block.PathScaleX);
data.PathScaleY = LLObject.UnpackPathScale(block.PathScaleY);
data.PathShearX = LLObject.UnpackPathShear((sbyte)block.PathShearX);
data.PathShearY = LLObject.UnpackPathShear((sbyte)block.PathShearY);
data.PathTwist = LLObject.UnpackPathTwist(block.PathTwist);
data.PathTwistBegin = LLObject.UnpackPathTwist(block.PathTwistBegin);
data.PathRadiusOffset = LLObject.UnpackPathTwist(block.PathRadiusOffset);
data.PathTaperX = LLObject.UnpackPathTaper(block.PathTaperX);
data.PathTaperY = LLObject.UnpackPathTaper(block.PathTaperY);
data.PathRevolutions = LLObject.UnpackPathRevolutions(block.PathRevolutions);
data.PathSkew = LLObject.UnpackPathTwist(block.PathSkew);
data.ProfileBegin = LLObject.UnpackBeginCut(block.ProfileBegin);
data.ProfileEnd = LLObject.UnpackEndCut(block.ProfileEnd);
data.ProfileHollow = LLObject.UnpackProfileHollow(block.ProfileHollow);
data.PCode = pcode;
#endregion
#region Decode Additional packed parameters in ObjectData
int pos = 0;
switch (block.ObjectData.Length)
{
case 76:
// Collision normal for avatar
collisionPlane = new LLVector4(block.ObjectData, pos);
pos += 16;
goto case 60;
case 60:
// Position
position = new LLVector3(block.ObjectData, pos);
pos += 12;
// Velocity
velocity = new LLVector3(block.ObjectData, pos);
pos += 12;
// Acceleration
acceleration = new LLVector3(block.ObjectData, pos);
pos += 12;
// Rotation (theta)
rotation = new LLQuaternion(block.ObjectData, pos, true);
pos += 12;
// Angular velocity (omega)
angularVelocity = new LLVector3(block.ObjectData, pos);
pos += 12;
break;
case 48:
// Collision normal for avatar
collisionPlane = new LLVector4(block.ObjectData, pos);
pos += 16;
goto case 32;
case 32:
// The data is an array of unsigned shorts
// Position
position = new LLVector3(
Helpers.UInt16ToFloat(block.ObjectData, pos, -0.5f * 256.0f, 1.5f * 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 2, -0.5f * 256.0f, 1.5f * 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 4, -256.0f, 3.0f * 256.0f));
pos += 6;
// Velocity
velocity = new LLVector3(
Helpers.UInt16ToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 4, -256.0f, 256.0f));
pos += 6;
// Acceleration
acceleration = new LLVector3(
Helpers.UInt16ToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 4, -256.0f, 256.0f));
pos += 6;
// Rotation (theta)
rotation = new LLQuaternion(
Helpers.UInt16ToFloat(block.ObjectData, pos, -1.0f, 1.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 2, -1.0f, 1.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 4, -1.0f, 1.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 6, -1.0f, 1.0f));
pos += 8;
// Angular velocity (omega)
angularVelocity = new LLVector3(
Helpers.UInt16ToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f),
Helpers.UInt16ToFloat(block.ObjectData, pos + 4, -256.0f, 256.0f));
pos += 6;
break;
case 16:
// The data is an array of single bytes (8-bit numbers)
// Position
position = new LLVector3(
Helpers.ByteToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 1, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f));
pos += 3;
// Velocity
velocity = new LLVector3(
Helpers.ByteToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 1, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f));
pos += 3;
// Accleration
acceleration = new LLVector3(
Helpers.ByteToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 1, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f));
pos += 3;
// Rotation
rotation = new LLQuaternion(
Helpers.ByteToFloat(block.ObjectData, pos, -1.0f, 1.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 1, -1.0f, 1.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 2, -1.0f, 1.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 3, -1.0f, 1.0f));
pos += 4;
// Angular Velocity
angularVelocity = new LLVector3(
Helpers.ByteToFloat(block.ObjectData, pos, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 1, -256.0f, 256.0f),
Helpers.ByteToFloat(block.ObjectData, pos + 2, -256.0f, 256.0f));
pos += 3;
break;
default:
Client.Log("Got an ObjectUpdate block with ObjectUpdate field length of " +
block.ObjectData.Length, Helpers.LogLevel.Warning);
continue;
}
#endregion
// Determine the object type and create the appropriate class
switch (pcode)
{
#region Prim and Foliage
case PCode.Grass:
case PCode.Tree:
case PCode.NewTree:
case PCode.Prim:
Primitive prim = GetPrimitive(simulator, block.ID, block.FullID);
#region Update Prim Info with decoded data
prim.Flags = (LLObject.ObjectFlags)block.UpdateFlags;
if ((prim.Flags & LLObject.ObjectFlags.ZlibCompressed) != 0)
{
Client.Log("Got a ZlibCompressed ObjectUpdate, implement me!",
Helpers.LogLevel.Warning);
continue;
}
// Automatically request ObjectProperties for prim if it was rezzed selected.
if ((prim.Flags & LLObject.ObjectFlags.CreateSelected) == LLObject.ObjectFlags.CreateSelected)
SelectObject(simulator, prim.LocalID);
prim.NameValues = nameValues;
prim.LocalID = block.ID;
prim.ID = block.FullID;
prim.ParentID = block.ParentID;
prim.RegionHandle = update.RegionData.RegionHandle;
prim.Scale = block.Scale;
prim.ClickAction = (ClickAction)block.ClickAction;
prim.OwnerID = block.OwnerID;
prim.MediaURL = Helpers.FieldToUTF8String(block.MediaURL);
prim.Text = Helpers.FieldToUTF8String(block.Text);
prim.TextColor = new LLColor(block.TextColor, 0, false);
// Only alpha is inversed
prim.TextColor.A = (byte)(1.0f - prim.TextColor.A);
// Sound information
prim.Sound = block.Sound;
prim.SoundFlags = block.Flags;
prim.SoundGain = block.Gain;
prim.SoundRadius = block.Radius;
// Joint information
prim.Joint = (Primitive.JointType)block.JointType;
prim.JointPivot = block.JointPivot;
prim.JointAxisOrAnchor = block.JointAxisOrAnchor;
// Object parameters
prim.Data = data;
// Textures, texture animations, particle system, and extra params
prim.Textures = new LLObject.TextureEntry(block.TextureEntry, 0,
block.TextureEntry.Length);
prim.TextureAnim = new Primitive.TextureAnimation(block.TextureAnim, 0);
prim.ParticleSys = new Primitive.ParticleSystem(block.PSBlock, 0);
prim.SetExtraParamsFromBytes(block.ExtraParams, 0);
// PCode-specific data
prim.GenericData = block.Data;
// Packed parameters
prim.CollisionPlane = collisionPlane;
prim.Position = position;
prim.Velocity = velocity;
prim.Acceleration = acceleration;
prim.Rotation = rotation;
prim.AngularVelocity = angularVelocity;
#endregion
if (attachment)
FireOnNewAttachment(simulator, prim, update.RegionData.RegionHandle,
update.RegionData.TimeDilation);
else if (pcode == PCode.Prim)
FireOnNewPrim(simulator, prim, update.RegionData.RegionHandle,
update.RegionData.TimeDilation);
else
FireOnNewFoliage(simulator, prim, update.RegionData.RegionHandle,
update.RegionData.TimeDilation);
break;
#endregion Prim and Foliage
#region Avatar
case PCode.Avatar:
// Update some internals if this is our avatar
if (block.FullID == Client.Self.AgentID)
{
#region Update Client.Self
// We need the local ID to recognize terse updates for our agent
Client.Self.localID = block.ID;
// Packed parameters
Client.Self.collisionPlane = collisionPlane;
Client.Self.relativePosition = position;
Client.Self.velocity = velocity;
Client.Self.acceleration = acceleration;
Client.Self.relativeRotation = rotation;
Client.Self.angularVelocity = angularVelocity;
#endregion
}
#region Create an Avatar from the decoded data
Avatar avatar = GetAvatar(simulator, block.ID, block.FullID);
uint oldSeatID = avatar.sittingOn;
avatar.ID = block.FullID;
avatar.LocalID = block.ID;
avatar.CollisionPlane = collisionPlane;
avatar.Position = position;
avatar.Velocity = velocity;
avatar.Acceleration = acceleration;
avatar.Rotation = rotation;
avatar.AngularVelocity = angularVelocity;
avatar.NameValues = nameValues;
avatar.Data = data;
avatar.GenericData = block.Data;
avatar.sittingOn = block.ParentID;
SetAvatarSittingOn(simulator, avatar, block.ParentID, oldSeatID);
// Set the current simulator for this avatar
avatar.CurrentSim = simulator;
// Textures
avatar.Textures = new Primitive.TextureEntry(block.TextureEntry, 0,
block.TextureEntry.Length);
#endregion Create an Avatar from the decoded data
FireOnNewAvatar(simulator, avatar, update.RegionData.RegionHandle,
update.RegionData.TimeDilation);
break;
#endregion Avatar
case PCode.ParticleSystem:
DecodeParticleUpdate(block);
// TODO: Create a callback for particle updates
break;
default:
Client.DebugLog("Got an ObjectUpdate block with an unrecognized PCode " + pcode.ToString());
break;
}
}
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="vector">Vector to copy</param>
public LLVector4(LLVector4 vector)
{
conversionBuffer = null;
X = vector.X;
Y = vector.Y;
Z = vector.Z;
S = vector.S;
}
