C# LSL_Types.Vector3类代码示例

        public LSL_Integer llScriptDanger(LSL_Vector pos)
        {
            m_host.AddScriptLPS(1);
            bool result = World.ScriptDanger(m_host.LocalId, new Vector3((float)pos.x, (float)pos.y, (float)pos.z));
            if (result)
            {
                return 1;
            }
            else
            {
                return 0;
            }

        }

 public void llSetCameraAtOffset(LSL_Vector offset)
 {
     m_host.AddScriptLPS(1);
     m_host.SetCameraAtOffset(new Vector3((float)offset.x, (float)offset.y, (float)offset.z));
 }

        /// <summary>
        /// A partial implementation.
        /// http://lslwiki.net/lslwiki/wakka.php?wakka=llGetBoundingBox
        /// So far only valid for standing/flying/ground sitting avatars and single prim objects.
        /// If the object has multiple prims and/or a sitting avatar then the bounding
        /// box is for the root prim only.
        /// </summary>
        public LSL_List llGetBoundingBox(string obj)
        {
            m_host.AddScriptLPS(1);
            UUID objID = UUID.Zero;
            LSL_List result = new LSL_List();
            if (!UUID.TryParse(obj, out objID))
            {
                result.Add(new LSL_Vector());
                result.Add(new LSL_Vector());
                return result;
            }
            ScenePresence presence = World.GetScenePresence(objID);
            if (presence != null)
            {
                if (presence.ParentID == 0) // not sat on an object
                {
                    LSL_Vector lower;
                    LSL_Vector upper;
                    if (presence.Animator.Animations.DefaultAnimation.AnimID
                        == DefaultAvatarAnimations.AnimsUUID["SIT_GROUND_CONSTRAINED"])
                    {
                        // This is for ground sitting avatars
                        float height = presence.Appearance.AvatarHeight / 2.66666667f;
                        lower = new LSL_Vector(-0.3375f, -0.45f, height * -1.0f);
                        upper = new LSL_Vector(0.3375f, 0.45f, 0.0f);
                    }
                    else
                    {
                        // This is for standing/flying avatars
                        float height = presence.Appearance.AvatarHeight / 2.0f;
                        lower = new LSL_Vector(-0.225f, -0.3f, height * -1.0f);
                        upper = new LSL_Vector(0.225f, 0.3f, height + 0.05f);
                    }
                    result.Add(lower);
                    result.Add(upper);
                    return result;
                }
                else
                {
                    // sitting on an object so we need the bounding box of that
                    // which should include the avatar so set the UUID to the
                    // UUID of the object the avatar is sat on and allow it to fall through
                    // to processing an object
                    SceneObjectPart p = World.GetSceneObjectPart(presence.ParentID);
                    objID = p.UUID;
                }
            }
            SceneObjectPart part = World.GetSceneObjectPart(objID);
            // Currently only works for single prims without a sitting avatar
            if (part != null)
            {
                Vector3 halfSize = part.Scale / 2.0f;
                LSL_Vector lower = new LSL_Vector(halfSize.X * -1.0f, halfSize.Y * -1.0f, halfSize.Z * -1.0f);
                LSL_Vector upper = new LSL_Vector(halfSize.X, halfSize.Y, halfSize.Z);
                result.Add(lower);
                result.Add(upper);
                return result;
            }

            // Not found so return empty values
            result.Add(new LSL_Vector());
            result.Add(new LSL_Vector());
            return result;
        }

        private LSL_Key NpcCreate(
            string firstname, string lastname, LSL_Vector position, string notecard, bool owned, bool senseAsAgent, bool hostGroupID)
        {
            if (!World.Permissions.CanRezObject(1, m_host.OwnerID, new Vector3((float)position.x, (float)position.y, (float)position.z)))
            {
                OSSLError("no permission to rez NPC at requested location");
                return new LSL_Key(UUID.Zero.ToString());
            }

            INPCModule module = World.RequestModuleInterface<INPCModule>();
            if(module == null)
            {
                OSSLError("NPC module not enabled");
                return new LSL_Key(UUID.Zero.ToString());
            }

            string groupTitle = String.Empty;
            UUID groupID = UUID.Zero;

            AvatarAppearance appearance = null;

            // check creation options
            NPCOptionsFlags createFlags = module.NPCOptionFlags;

            if((createFlags & NPCOptionsFlags.AllowNotOwned) == 0 && !owned)
            {
                OSSLError("Not owned NPCs disabled");
                owned = true; // we should get here...
            }

            if((createFlags & NPCOptionsFlags.AllowSenseAsAvatar) == 0 && senseAsAgent)
            {
                OSSLError("NPC allow sense as Avatar disabled");
                senseAsAgent = false;
            }

            if(hostGroupID && m_host.GroupID != UUID.Zero)
            {
                IGroupsModule groupsModule = m_ScriptEngine.World.RequestModuleInterface<IGroupsModule>();
                if (groupsModule != null)
                {
                    GroupMembershipData member = groupsModule.GetMembershipData(m_host.GroupID, m_host.OwnerID);
                    if (member == null)
                    {
                        OSSLError(string.Format("osNpcCreate: the object owner is not member of the object group"));
                        return new LSL_Key(UUID.Zero.ToString());
                    }

                    groupID = m_host.GroupID;

                    if((createFlags & NPCOptionsFlags.NoNPCGroup) != 0)
                    {
                        GroupRecord grprec = groupsModule.GetGroupRecord(m_host.GroupID);
                        if(grprec != null && grprec.GroupName != "")
                            groupTitle = grprec.GroupName;
                    }
                }
            }

            if((createFlags & NPCOptionsFlags.NoNPCGroup) == 0)
            {
                if (firstname != String.Empty || lastname != String.Empty)
                {
                    if (firstname != "Shown outfit:")
                        groupTitle = "- NPC -";
                }
            }
               
            if((createFlags & NPCOptionsFlags.AllowCloneOtherAvatars) != 0)
            {
                UUID id;
                if (UUID.TryParse(notecard, out id))
                {
                    ScenePresence clonePresence = World.GetScenePresence(id);
                    if (clonePresence != null)
                        appearance = clonePresence.Appearance;
                }
            }

            if (appearance == null)
            {
                string appearanceSerialized = LoadNotecard(notecard);

                if (appearanceSerialized != null)
                {
                    try
                    {
                        OSDMap appearanceOsd = (OSDMap)OSDParser.DeserializeLLSDXml(appearanceSerialized);
                        appearance = new AvatarAppearance();
                        appearance.Unpack(appearanceOsd);
                    }
                    catch
                    {
                        OSSLError(string.Format("osNpcCreate: Error processing notcard '{0}'", notecard));
                        return new LSL_Key(UUID.Zero.ToString());
                    }
                }
            else
                {
                    OSSLError(string.Format("osNpcCreate: Notecard reference '{0}' not found.", notecard));
//.........这里部分代码省略.........

 public void llLinkSitTarget(LSL_Integer link, LSL_Vector offset, LSL_Rotation rot)
 {
     m_host.AddScriptLPS(1);
     if (link == ScriptBaseClass.LINK_ROOT)
         SitTarget(m_host.ParentGroup.RootPart, offset, rot);
     else if (link == ScriptBaseClass.LINK_THIS)
         SitTarget(m_host, offset, rot);
     else
     {
         SceneObjectPart part = m_host.ParentGroup.GetLinkNumPart(link);
         if (null != part)
         {
             SitTarget(part, offset, rot);
         }
     }
 }

        protected void DropAttachmentAt(bool checkPerms, LSL_Vector pos, LSL_Rotation rot)
        {
            if (checkPerms && ShoutErrorOnLackingOwnerPerms(ScriptBaseClass.PERMISSION_ATTACH, "Cannot drop attachment"))
            {
                return;
            }

            IAttachmentsModule attachmentsModule = m_ScriptEngine.World.AttachmentsModule;
            ScenePresence sp = attachmentsModule == null ? null : m_host.ParentGroup.Scene.GetScenePresence(m_host.ParentGroup.OwnerID);

            if (attachmentsModule != null && sp != null)
            {
                attachmentsModule.DetachSingleAttachmentToGround(sp, m_host.ParentGroup.LocalId, pos, rot);
            }
        }

        public void osForceDropAttachmentAt(LSL_Vector pos, LSL_Rotation rot)
        {
            CheckThreatLevel(ThreatLevel.High, "osForceDropAttachmentAt");
            m_host.AddScriptLPS(1);

            DropAttachmentAt(false, pos, rot);
        }

        public LSL_Key osNpcCreate(string firstname, string lastname, LSL_Vector position, string notecard, int options)
        {
            CheckThreatLevel(ThreatLevel.High, "osNpcCreate");
            m_host.AddScriptLPS(1);

            return NpcCreate(
                firstname, lastname, position, notecard,
                (options & ScriptBaseClass.OS_NPC_NOT_OWNED) == 0,
                (options & ScriptBaseClass.OS_NPC_SENSE_AS_AGENT) != 0,
                (options & ScriptBaseClass.OS_NPC_OBJECT_GROUP) != 0);
        }

        public void osNpcMoveTo(LSL_Key npc, LSL_Vector pos)
        {
            CheckThreatLevel(ThreatLevel.High, "osNpcMoveTo");
            m_host.AddScriptLPS(1);

            INPCModule module = World.RequestModuleInterface<INPCModule>();
            if (module != null)
            {
                UUID npcId;
                if (!UUID.TryParse(npc.m_string, out npcId))
                    return;

                if (!module.CheckPermissions(npcId, m_host.OwnerID))
                    return;
                
                module.MoveToTarget(npcId, World, pos, false, true, false);
            }
        }

        public void osParcelSubdivide(LSL_Vector pos1, LSL_Vector pos2)
        {
            CheckThreatLevel(ThreatLevel.High, "osParcelSubdivide");
            m_host.AddScriptLPS(1);

            int startx = (int)(pos1.x < pos2.x ? pos1.x : pos2.x);
            int starty = (int)(pos1.y < pos2.y ? pos1.y : pos2.y);
            int endx = (int)(pos1.x > pos2.x ? pos1.x : pos2.x);
            int endy = (int)(pos1.y > pos2.y ? pos1.y : pos2.y);

            World.LandChannel.Subdivide(startx,starty,endx,endy,m_host.OwnerID);
        }

        private void SetParcelDetails(LSL_Vector pos, LSL_List rules, string functionName)
        {
            m_host.AddScriptLPS(1);

            // Get a reference to the land data and make sure the owner of the script
            // can modify it

            ILandObject startLandObject = World.LandChannel.GetLandObject((int)pos.x, (int)pos.y);
            if (startLandObject == null)
            {
                OSSLShoutError("There is no land at that location");
                return;
            }

            if (!World.Permissions.CanEditParcelProperties(m_host.OwnerID, startLandObject, GroupPowers.LandOptions, false))
            {
                OSSLShoutError("You do not have permission to modify the parcel");
                return;
            }

            // Create a new land data object we can modify
            LandData newLand = startLandObject.LandData.Copy();
            UUID uuid;

            // Process the rules, not sure what the impact would be of changing owner or group
            for (int idx = 0; idx < rules.Length;)
            {
                int code = rules.GetLSLIntegerItem(idx++);
                string arg = rules.GetLSLStringItem(idx++);
                switch (code)
                {
                    case ScriptBaseClass.PARCEL_DETAILS_NAME:
                        newLand.Name = arg;
                        break;

                    case ScriptBaseClass.PARCEL_DETAILS_DESC:
                        newLand.Description = arg;
                        break;

                    case ScriptBaseClass.PARCEL_DETAILS_OWNER:
                        CheckThreatLevel(ThreatLevel.VeryHigh, functionName);
                        if (UUID.TryParse(arg, out uuid))
                            newLand.OwnerID = uuid;
                        break;

                    case ScriptBaseClass.PARCEL_DETAILS_GROUP:
                        CheckThreatLevel(ThreatLevel.VeryHigh, functionName);
                        if (UUID.TryParse(arg, out uuid))
                            newLand.GroupID = uuid;
                        break;

                    case ScriptBaseClass.PARCEL_DETAILS_CLAIMDATE:
                        CheckThreatLevel(ThreatLevel.VeryHigh, functionName);
                        newLand.ClaimDate = Convert.ToInt32(arg);
                        if (newLand.ClaimDate == 0)
                            newLand.ClaimDate = Util.UnixTimeSinceEpoch();
                        break;
                 }
             }

            World.LandChannel.UpdateLandObject(newLand.LocalID,newLand);
        }

        // Prim type sphere.
        protected void SetPrimitiveShapeParams(SceneObjectPart part, int holeshape, LSL_Vector cut, float hollow, LSL_Vector twist, LSL_Vector dimple, byte profileshape, byte pathcurve)
        {
            ObjectShapePacket.ObjectDataBlock shapeBlock;

            shapeBlock = SetPrimitiveBlockShapeParams(part, holeshape, cut, hollow, twist, profileshape, pathcurve);

            // profile/path swapped for a sphere
            shapeBlock.PathBegin = shapeBlock.ProfileBegin;
            shapeBlock.PathEnd = shapeBlock.ProfileEnd;

            shapeBlock.PathScaleX = 100;
            shapeBlock.PathScaleY = 100;

            if (dimple.x < 0f)
            {
                dimple.x = 0f;
            }
            if (dimple.x > 1f)
            {
                dimple.x = 1f;
            }
            if (dimple.y < 0f)
            {
                dimple.y = 0f;
            }
            if (dimple.y > 1f)
            {
                dimple.y = 1f;
            }
            if (dimple.y - cut.x < 0.05f)
            {
                dimple.x = cut.y - 0.05f;
            }
            shapeBlock.ProfileBegin = (ushort)(50000 * dimple.x);
            shapeBlock.ProfileEnd   = (ushort)(50000 * (1 - dimple.y));

            part.Shape.SculptEntry = false;
            part.UpdateShape(shapeBlock);
        }

        protected ObjectShapePacket.ObjectDataBlock SetPrimitiveBlockShapeParams(SceneObjectPart part, int holeshape, LSL_Vector cut, float hollow, LSL_Vector twist, byte profileshape, byte pathcurve)
        {
            float tempFloat;                                    // Use in float expressions below to avoid byte cast precision issues.
            ObjectShapePacket.ObjectDataBlock shapeBlock = new ObjectShapePacket.ObjectDataBlock();

            if (holeshape != (int)ScriptBaseClass.PRIM_HOLE_DEFAULT &&
                holeshape != (int)ScriptBaseClass.PRIM_HOLE_CIRCLE &&
                holeshape != (int)ScriptBaseClass.PRIM_HOLE_SQUARE &&
                holeshape != (int)ScriptBaseClass.PRIM_HOLE_TRIANGLE)
            {
                holeshape = (int)ScriptBaseClass.PRIM_HOLE_DEFAULT;
            }
            shapeBlock.PathCurve = pathcurve;
            shapeBlock.ProfileCurve = (byte)holeshape;          // Set the hole shape.
            shapeBlock.ProfileCurve += profileshape;            // Add in the profile shape.
            if (cut.x < 0f)
            {
                cut.x = 0f;
            }
            if (cut.x > 1f)
            {
                cut.x = 1f;
            }
            if (cut.y < 0f)
            {
                cut.y = 0f;
            }
            if (cut.y > 1f)
            {
                cut.y = 1f;
            }
            if (cut.y - cut.x < 0.05f)
            {
                cut.x = cut.y - 0.05f;
                if (cut.x < 0.0f)
                {
                    cut.x = 0.0f;
                    cut.y = 0.05f;
                }
            }
            shapeBlock.ProfileBegin = (ushort)(50000 * cut.x);
            shapeBlock.ProfileEnd = (ushort)(50000 * (1 - cut.y));
            if (hollow < 0f)
            {
                hollow = 0f;
            }
            // If the prim is a Cylinder, Prism, Sphere, Torus or Ring (or not a
            // Box or Tube) and the hole shape is a square, hollow is limited to
            // a max of 70%. The viewer performs its own check on this value but
            // we need to do it here also so llGetPrimitiveParams can have access
            // to the correct value.
            if (profileshape != (byte)ProfileCurve.Square &&
                holeshape == (int)ScriptBaseClass.PRIM_HOLE_SQUARE)
            {
                if (hollow > 0.70f)
                {
                    hollow = 0.70f;
                }
            }
            // Otherwise, hollow is limited to 95%. 
            else
            {
                if (hollow > 0.95f)
                {
                    hollow = 0.95f;
                }
            }
            shapeBlock.ProfileHollow = (ushort)(50000 * hollow);
            if (twist.x < -1.0f)
            {
                twist.x = -1.0f;
            }
            if (twist.x > 1.0f)
            {
                twist.x = 1.0f;
            }
            if (twist.y < -1.0f)
            {
                twist.y = -1.0f;
            }
            if (twist.y > 1.0f)
            {
                twist.y = 1.0f;
            }
            // A fairly large precision error occurs for some calculations,
            // if a float or double is directly cast to a byte or sbyte
            // variable, in both .Net and Mono. In .Net, coding
            // "(sbyte)(float)(some expression)" corrects the precision
            // errors. But this does not work for Mono. This longer coding
            // form of creating a tempoary float variable from the
            // expression first, then casting that variable to a byte or
            // sbyte, works for both .Net and Mono. These types of
            // assignments occur in SetPrimtiveBlockShapeParams and
            // SetPrimitiveShapeParams in support of llSetPrimitiveParams.
            tempFloat = (float)(100.0d * twist.x);
            shapeBlock.PathTwistBegin = (sbyte)tempFloat;
            tempFloat = (float)(100.0d * twist.y);
            shapeBlock.PathTwist = (sbyte)tempFloat;

            shapeBlock.ObjectLocalID = part.LocalId;
//.........这里部分代码省略.........

 public LSL_Rotation llRotBetween(LSL_Vector a, LSL_Vector b)
 {
     //A and B should both be normalized
     m_host.AddScriptLPS(1);
     LSL_Rotation rotBetween;
     // Check for zero vectors. If either is zero, return zero rotation. Otherwise,
     // continue calculation.
     if (a == new LSL_Vector(0.0f, 0.0f, 0.0f) || b == new LSL_Vector(0.0f, 0.0f, 0.0f))
     {
         rotBetween = new LSL_Rotation(0.0f, 0.0f, 0.0f, 1.0f);
     }
     else
     {
         a = LSL_Vector.Norm(a);
         b = LSL_Vector.Norm(b);
         double dotProduct = LSL_Vector.Dot(a, b);
         // There are two degenerate cases possible. These are for vectors 180 or
         // 0 degrees apart. These have to be detected and handled individually.
         //
         // Check for vectors 180 degrees apart.
         // A dot product of -1 would mean the angle between vectors is 180 degrees.
         if (dotProduct < -0.9999999f)
         {
             // First assume X axis is orthogonal to the vectors.
             LSL_Vector orthoVector = new LSL_Vector(1.0f, 0.0f, 0.0f);
             orthoVector = orthoVector - a * (a.x / LSL_Vector.Dot(a, a));
             // Check for near zero vector. A very small non-zero number here will create
             // a rotation in an undesired direction.
             if (LSL_Vector.Mag(orthoVector) > 0.0001)
             {
                 rotBetween = new LSL_Rotation(orthoVector.x, orthoVector.y, orthoVector.z, 0.0f);
             }
             // If the magnitude of the vector was near zero, then assume the X axis is not
             // orthogonal and use the Z axis instead.
             else
             {
                 // Set 180 z rotation.
                 rotBetween = new LSL_Rotation(0.0f, 0.0f, 1.0f, 0.0f);
             }
         }
         // Check for parallel vectors.
         // A dot product of 1 would mean the angle between vectors is 0 degrees.
         else if (dotProduct > 0.9999999f)
         {
             // Set zero rotation.
             rotBetween = new LSL_Rotation(0.0f, 0.0f, 0.0f, 1.0f);
         }
         else
         {
             // All special checks have been performed so get the axis of rotation.
             LSL_Vector crossProduct = LSL_Vector.Cross(a, b);
             // Quarternion s value is the length of the unit vector + dot product.
             double qs = 1.0 + dotProduct;
             rotBetween = new LSL_Rotation(crossProduct.x, crossProduct.y, crossProduct.z, qs);
             // Normalize the rotation.
             double mag = LSL_Rotation.Mag(rotBetween);
             // We shouldn't have to worry about a divide by zero here. The qs value will be
             // non-zero because we already know if we're here, then the dotProduct is not -1 so
             // qs will not be zero. Also, we've already handled the input vectors being zero so the
             // crossProduct vector should also not be zero.
             rotBetween.x = rotBetween.x / mag;
             rotBetween.y = rotBetween.y / mag;
             rotBetween.z = rotBetween.z / mag;
             rotBetween.s = rotBetween.s / mag;
             // Check for undefined values and set zero rotation if any found. This code might not actually be required
             // any longer since zero vectors are checked for at the top.
             if (Double.IsNaN(rotBetween.x) || Double.IsNaN(rotBetween.y) || Double.IsNaN(rotBetween.z) || Double.IsNaN(rotBetween.s))
             {
                 rotBetween = new LSL_Rotation(0.0f, 0.0f, 0.0f, 1.0f);
             }
         }
     }
     return rotBetween;
 }

        private LSL_Key NpcCreate(
            string firstname, string lastname, LSL_Vector position, string notecard, bool owned, bool senseAsAgent)
        {
            INPCModule module = World.RequestModuleInterface<INPCModule>();
            if (module != null)
            {
                AvatarAppearance appearance = null;

                UUID id;
                if (UUID.TryParse(notecard, out id))
                {
                    ScenePresence clonePresence = World.GetScenePresence(id);
                    if (clonePresence != null)
                        appearance = clonePresence.Appearance;
                }

                if (appearance == null)
                {
                    string appearanceSerialized = LoadNotecard(notecard);

                    if (appearanceSerialized != null)
                    {
                        OSDMap appearanceOsd = (OSDMap)OSDParser.DeserializeLLSDXml(appearanceSerialized);
                        appearance = new AvatarAppearance();
                        appearance.Unpack(appearanceOsd);
                    }
                }

                if (appearance == null)
                    return new LSL_Key(UUID.Zero.ToString());

                UUID ownerID = UUID.Zero;
                if (owned)
                    ownerID = m_host.OwnerID;
                UUID x = module.CreateNPC(firstname,
                                          lastname,
                                          position,
                                          ownerID,
                                          senseAsAgent,
                                          World,
                                          appearance);

                return new LSL_Key(x.ToString());
            }

            return new LSL_Key(UUID.Zero.ToString());
        }