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-
- #region Header
- #endregion Header
- using System;
- using System.Collections.Generic;
- using System.Diagnostics;
- using System.Drawing;
- using OpenMetaverse;
- using Nini.Config;
- using OpenSim.Framework;
- using OpenSim.Region.Framework.Interfaces;
- using OpenSim.Region.Framework.Scenes;
- using OpenSim.Region.Physics.Manager;
- using log4net;
- namespace OpenSim.Region.OptionalModules.ContentManagement
- {
- #region Enumerations
- [Flags]
- public enum Diff
- {
- NONE = 0,
- FACECOLOR = 1,
- SHAPE = 1<<1,
- MATERIAL = 1<<2,
- TEXTURE = 1<<3,
- SCALE = 1<<4,
- POSITION = 1<<5,
- OFFSETPOSITION = 1<<6,
- ROTATIONOFFSET = 1<<7,
- ROTATIONALVELOCITY = 1<<8,
- ACCELERATION = 1<<9,
- ANGULARVELOCITY = 1<<10,
- VELOCITY = 1<<11,
- OBJECTOWNER = 1<<12,
- PERMISSIONS = 1<<13,
- DESCRIPTION = 1<<14,
- NAME = 1<<15,
- SCRIPT = 1<<16,
- CLICKACTION = 1<<17,
- PARTICLESYSTEM = 1<<18,
- GLOW = 1<<19,
- SALEPRICE = 1<<20,
- SITNAME = 1<<21,
- SITTARGETORIENTATION = 1<<22,
- SITTARGETPOSITION = 1<<23,
- TEXT = 1<<24,
- TOUCHNAME = 1<<25
- }
- #endregion Enumerations
- public static class Difference
- {
- #region Static Fields
- static float TimeToDiff = 0;
- #endregion Static Fields
- #region Private Methods
- private static bool AreQuaternionsEquivalent(Quaternion first, Quaternion second)
- {
- Vector3 firstVector = llRot2Euler(first);
- Vector3 secondVector = llRot2Euler(second);
- return AreVectorsEquivalent(firstVector, secondVector);
- }
- private static bool AreVectorsEquivalent(Vector3 first, Vector3 second)
- {
- if (TruncateSignificant(first.X, 2) == TruncateSignificant(second.X, 2)
- && TruncateSignificant(first.Y, 2) == TruncateSignificant(second.Y, 2)
- && TruncateSignificant(first.Z, 2) == TruncateSignificant(second.Z, 2)
- )
- return true;
- else
- return false;
- }
-
- private static double NormalizeAngle(double angle)
- {
- angle = angle % (Math.PI * 2);
- if (angle < 0) angle = angle + Math.PI * 2;
- return angle;
- }
- private static int TruncateSignificant(float num, int digits)
- {
- return (int) Math.Ceiling((Math.Truncate(num * 10 * digits)/10*digits));
-
- }
-
-
- private static Vector3 llRot2Euler(Quaternion r)
- {
- Quaternion t = new Quaternion(r.X * r.X, r.Y * r.Y, r.Z * r.Z, r.W * r.W);
- double m = (t.X + t.Y + t.Z + t.W);
- if (m == 0) return new Vector3();
- double n = 2 * (r.Y * r.W + r.X * r.Z);
- double p = m * m - n * n;
- if (p > 0)
- return new Vector3((float)NormalizeAngle(Math.Atan2(2.0 * (r.X * r.W - r.Y * r.Z), (-t.X - t.Y + t.Z + t.W))),
- (float)NormalizeAngle(Math.Atan2(n, Math.Sqrt(p))),
- (float)NormalizeAngle(Math.Atan2(2.0 * (r.Z * r.W - r.X * r.Y), (t.X - t.Y - t.Z + t.W))));
- else if (n > 0)
- return new Vector3(0.0f, (float)(Math.PI / 2), (float)NormalizeAngle(Math.Atan2((r.Z * r.W + r.X * r.Y), 0.5 - t.X - t.Z)));
- else
- return new Vector3(0.0f, (float)(-Math.PI / 2), (float)NormalizeAngle(Math.Atan2((r.Z * r.W + r.X * r.Y), 0.5 - t.X - t.Z)));
- }
- #endregion Private Methods
- #region Public Methods
-
-
-
-
- public static Diff FindDifferences(SceneObjectPart first, SceneObjectPart second)
- {
- Stopwatch x = new Stopwatch();
- x.Start();
- Diff result = 0;
-
- if (!AreVectorsEquivalent(first.Acceleration, second.Acceleration))
- result |= Diff.ACCELERATION;
- if (!AreVectorsEquivalent(first.AbsolutePosition, second.AbsolutePosition))
- result |= Diff.POSITION;
- if (!AreVectorsEquivalent(first.AngularVelocity, second.AngularVelocity))
- result |= Diff.ANGULARVELOCITY;
- if (!AreVectorsEquivalent(first.OffsetPosition, second.OffsetPosition))
- result |= Diff.OFFSETPOSITION;
- if (!AreVectorsEquivalent(first.RotationalVelocity, second.RotationalVelocity))
- result |= Diff.ROTATIONALVELOCITY;
- if (!AreVectorsEquivalent(first.Scale, second.Scale))
- result |= Diff.SCALE;
- if (!AreVectorsEquivalent(first.Velocity, second.Velocity))
- result |= Diff.VELOCITY;
-
- if (!AreQuaternionsEquivalent(first.RotationOffset, second.RotationOffset))
- result |= Diff.ROTATIONOFFSET;
-
- if (first.ClickAction != second.ClickAction)
- result |= Diff.CLICKACTION;
- if (first.OwnerID != second.OwnerID)
- result |= Diff.OBJECTOWNER;
-
- if (first.Description != second.Description)
- result |= Diff.DESCRIPTION;
- if (first.Material != second.Material)
- result |= Diff.MATERIAL;
- if (first.Name != second.Name)
- result |= Diff.NAME;
- if (first.SitName != second.SitName)
- result |= Diff.SITNAME;
- if (first.Text != second.Text)
- result |= Diff.TEXT;
- if (first.TouchName != second.TouchName)
- result |= Diff.TOUCHNAME;
- x.Stop();
- TimeToDiff += x.ElapsedMilliseconds;
-
- return result;
- }
- #endregion Public Methods
- }
- }
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