aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Framework/AvatarAppearance.cs
blob: ec310182442f1935eb73241a4797f56cf51109a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSim Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.Security.Permissions;
using OpenMetaverse;

namespace OpenSim.Framework
{
    public class AvatarAppearance
    {
//        private static readonly ILog m_log
//            = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        // these are guessed at by the list here -
        // http://wiki.secondlife.com/wiki/Avatar_Appearance.  We'll
        // correct them over time for when were are wrong.
        public readonly static int BODY = 0;
        public readonly static int SKIN = 1;
        public readonly static int HAIR = 2;
        public readonly static int EYES = 3;
        public readonly static int SHIRT = 4;
        public readonly static int PANTS = 5;
        public readonly static int SHOES = 6;
        public readonly static int SOCKS = 7;
        public readonly static int JACKET = 8;
        public readonly static int GLOVES = 9;
        public readonly static int UNDERSHIRT = 10;
        public readonly static int UNDERPANTS = 11;
        public readonly static int SKIRT = 12;

        private readonly static int MAX_WEARABLES = 13;

        private static UUID BODY_ASSET = new UUID("66c41e39-38f9-f75a-024e-585989bfab73");
        private static UUID BODY_ITEM = new UUID("66c41e39-38f9-f75a-024e-585989bfaba9");
        private static UUID SKIN_ASSET = new UUID("77c41e39-38f9-f75a-024e-585989bbabbb");
        private static UUID SKIN_ITEM = new UUID("77c41e39-38f9-f75a-024e-585989bfabc9");
        private static UUID SHIRT_ASSET = new UUID("00000000-38f9-1111-024e-222222111110");
        private static UUID SHIRT_ITEM = new UUID("77c41e39-38f9-f75a-0000-585989bf0000");
        private static UUID PANTS_ASSET = new UUID("00000000-38f9-1111-024e-222222111120");
        private static UUID PANTS_ITEM = new UUID("77c41e39-38f9-f75a-0000-5859892f1111");

        public readonly static int VISUALPARAM_COUNT = 218;

        protected UUID m_owner;

        public virtual UUID Owner
        {
            get { return m_owner; }
            set { m_owner = value; }
        }
        protected int m_serial = 1;

        public virtual int Serial
        {
            get { return m_serial; }
            set { m_serial = value; }
        }

        protected byte[] m_visualparams;

        public virtual byte[] VisualParams
        {
            get { return m_visualparams; }
            set { m_visualparams = value; }
        }

        protected AvatarWearable[] m_wearables;

        public virtual AvatarWearable[] Wearables
        {
            get { return m_wearables; }
            set { m_wearables = value; }
        }

        public virtual UUID BodyItem {
            get { return m_wearables[BODY].ItemID; }
            set { m_wearables[BODY].ItemID = value; }
        }

        public virtual UUID BodyAsset {
            get { return m_wearables[BODY].AssetID; }
            set { m_wearables[BODY].AssetID = value; }
        }

        public virtual UUID SkinItem {
            get { return m_wearables[SKIN].ItemID; }
            set { m_wearables[SKIN].ItemID = value; }
        }

        public virtual UUID SkinAsset {
            get { return m_wearables[SKIN].AssetID; }
            set { m_wearables[SKIN].AssetID = value; }
        }

        public virtual UUID HairItem {
            get { return m_wearables[HAIR].ItemID; }
            set { m_wearables[HAIR].ItemID = value; }
        }

        public virtual UUID HairAsset {
            get { return m_wearables[HAIR].AssetID; }
            set { m_wearables[HAIR].AssetID = value; }
        }

        public virtual UUID EyesItem {
            get { return m_wearables[EYES].ItemID; }
            set { m_wearables[EYES].ItemID = value; }
        }

        public virtual UUID EyesAsset {
            get { return m_wearables[EYES].AssetID; }
            set { m_wearables[EYES].AssetID = value; }
        }

        public virtual UUID ShirtItem {
            get { return m_wearables[SHIRT].ItemID; }
            set { m_wearables[SHIRT].ItemID = value; }
        }

        public virtual UUID ShirtAsset {
            get { return m_wearables[SHIRT].AssetID; }
            set { m_wearables[SHIRT].AssetID = value; }
        }

        public virtual UUID PantsItem {
            get { return m_wearables[PANTS].ItemID; }
            set { m_wearables[PANTS].ItemID = value; }
        }

        public virtual UUID PantsAsset {
            get { return m_wearables[PANTS].AssetID; }
            set { m_wearables[PANTS].AssetID = value; }
        }

        public virtual UUID ShoesItem {
            get { return m_wearables[SHOES].ItemID; }
            set { m_wearables[SHOES].ItemID = value; }
        }

        public virtual UUID ShoesAsset {
            get { return m_wearables[SHOES].AssetID; }
            set { m_wearables[SHOES].AssetID = value; }
        }

        public virtual UUID SocksItem {
            get { return m_wearables[SOCKS].ItemID; }
            set { m_wearables[SOCKS].ItemID = value; }
        }

        public virtual UUID SocksAsset {
            get { return m_wearables[SOCKS].AssetID; }
            set { m_wearables[SOCKS].AssetID = value; }
        }

        public virtual UUID JacketItem {
            get { return m_wearables[JACKET].ItemID; }
            set { m_wearables[JACKET].ItemID = value; }
        }

        public virtual UUID JacketAsset {
            get { return m_wearables[JACKET].AssetID; }
            set { m_wearables[JACKET].AssetID = value; }
        }

        public virtual UUID GlovesItem {
            get { return m_wearables[GLOVES].ItemID; }
            set { m_wearables[GLOVES].ItemID = value; }
        }

        public virtual UUID GlovesAsset {
            get { return m_wearables[GLOVES].AssetID; }
            set { m_wearables[GLOVES].AssetID = value; }
        }

        public virtual UUID UnderShirtItem {
            get { return m_wearables[UNDERSHIRT].ItemID; }
            set { m_wearables[UNDERSHIRT].ItemID = value; }
        }

        public virtual UUID UnderShirtAsset {
            get { return m_wearables[UNDERSHIRT].AssetID; }
            set { m_wearables[UNDERSHIRT].AssetID = value; }
        }

        public virtual UUID UnderPantsItem {
            get { return m_wearables[UNDERPANTS].ItemID; }
            set { m_wearables[UNDERPANTS].ItemID = value; }
        }

        public virtual UUID UnderPantsAsset {
            get { return m_wearables[UNDERPANTS].AssetID; }
            set { m_wearables[UNDERPANTS].AssetID = value; }
        }

        public virtual UUID SkirtItem {
            get { return m_wearables[SKIRT].ItemID; }
            set { m_wearables[SKIRT].ItemID = value; }
        }

        public virtual UUID SkirtAsset {
            get { return m_wearables[SKIRT].AssetID; }
            set { m_wearables[SKIRT].AssetID = value; }
        }

        public virtual void SetDefaultWearables()
        {
            m_wearables[BODY].AssetID = BODY_ASSET;
            m_wearables[BODY].ItemID = BODY_ITEM;
            m_wearables[SKIN].AssetID = SKIN_ASSET;
            m_wearables[SKIN].ItemID = SKIN_ITEM;
            m_wearables[SHIRT].AssetID = SHIRT_ASSET;
            m_wearables[SHIRT].ItemID = SHIRT_ITEM;
            m_wearables[PANTS].AssetID = PANTS_ASSET;
            m_wearables[PANTS].ItemID = PANTS_ITEM;
        }

        public virtual void SetDefaultParams(byte[] vparams)
        {
            // TODO: Figure out better values then 'fat scientist 150' or 'alien 0'
            for (int i = 0; i < VISUALPARAM_COUNT; i++)
            {
                vparams[i] = 150;
            }
        }

        protected Primitive.TextureEntry m_texture;

        public virtual Primitive.TextureEntry Texture
        {
            get { return m_texture; }
            set { m_texture = value; }
        }

        protected float m_avatarHeight = 0;
        protected float m_hipOffset = 0;

        public virtual float AvatarHeight
        {
            get { return m_avatarHeight; }
            set { m_avatarHeight = value; }
        }

        public virtual float HipOffset
        {
            get { return m_hipOffset; }
        }

        public AvatarAppearance()
            : this(UUID.Zero)
        {
        }

        public AvatarAppearance(UUID owner)
        {
            m_wearables = new AvatarWearable[MAX_WEARABLES];
            for (int i = 0; i < MAX_WEARABLES; i++)
            {
                // this makes them all null
                m_wearables[i] = new AvatarWearable();
            }
            m_serial = 0;
            m_owner = owner;
            m_visualparams = new byte[VISUALPARAM_COUNT];
            // This sets Visual Params with *less* weirder values then default. Instead of a ugly alien, it looks like a fat scientist
            SetDefaultParams(m_visualparams);
            SetDefaultWearables();
            m_texture = GetDefaultTexture();
        }

        public AvatarAppearance(UUID avatarID, AvatarWearable[] wearables, byte[] visualParams)
        {
            m_owner = avatarID;
            m_serial = 1;
            m_wearables = wearables;
            m_visualparams = visualParams;
            m_texture = GetDefaultTexture();
        }

        /// <summary>
        /// Set up appearance textures and avatar parameters, including a height calculation
        /// </summary>
        /// <param name="texture"></param>
        /// <param name="visualParam"></param>
        public virtual void SetAppearance(byte[] texture, List<byte> visualParam)
        {
            Primitive.TextureEntry textureEnt = new Primitive.TextureEntry(texture, 0, texture.Length);
            m_texture = textureEnt;
            m_visualparams = visualParam.ToArray();
            m_avatarHeight = 1.23077f  // Shortest possible avatar height
                           + 0.516945f * (float)m_visualparams[25] / 255.0f   // Body height
                           + 0.072514f * (float)m_visualparams[120] / 255.0f  // Head size
                           + 0.3836f * (float)m_visualparams[125] / 255.0f    // Leg length
                           + 0.08f * (float)m_visualparams[77] / 255.0f    // Shoe heel height
                           + 0.07f * (float)m_visualparams[78] / 255.0f    // Shoe platform height
                           + 0.076f * (float)m_visualparams[148] / 255.0f;    // Neck length
            m_hipOffset = (0.615385f // Half of avatar
                           + 0.08f * (float)m_visualparams[77] / 255.0f    // Shoe heel height
                           + 0.07f * (float)m_visualparams[78] / 255.0f    // Shoe platform height
                           + 0.3836f * (float)m_visualparams[125] / 255.0f    // Leg length
                           - m_avatarHeight / 2) * 0.3f - 0.04f;
            //System.Console.WriteLine(">>>>>>> [APPEARANCE]: Height {0} Hip offset {1}" + m_avatarHeight + " " + m_hipOffset);
            //m_log.Debug("------------- Set Appearance Texture ---------------");
            //Primitive.TextureEntryFace[] faces = Texture.FaceTextures;
            //foreach (Primitive.TextureEntryFace face in faces)
            //{
            //    if (face != null)
            //        m_log.Debug("  ++ " + face.TextureID);
            //    else
            //        m_log.Debug("  ++ NULL ");
            //}
            //m_log.Debug("----------------------------");

        }

        public virtual void SetWearable(int wearableId, AvatarWearable wearable)
        {
            m_wearables[wearableId] = wearable;
        }

        public static Primitive.TextureEntry GetDefaultTexture()
        {
            Primitive.TextureEntry textu = new Primitive.TextureEntry(new UUID("C228D1CF-4B5D-4BA8-84F4-899A0796AA97"));
            textu.CreateFace(0).TextureID = new UUID("00000000-0000-1111-9999-000000000012");
            textu.CreateFace(1).TextureID = Util.BLANK_TEXTURE_UUID;
            textu.CreateFace(2).TextureID = Util.BLANK_TEXTURE_UUID;
            textu.CreateFace(3).TextureID = new UUID("6522E74D-1660-4E7F-B601-6F48C1659A77");
            textu.CreateFace(4).TextureID = new UUID("7CA39B4C-BD19-4699-AFF7-F93FD03D3E7B");
            textu.CreateFace(5).TextureID = new UUID("00000000-0000-1111-9999-000000000010");
            textu.CreateFace(6).TextureID = new UUID("00000000-0000-1111-9999-000000000011");
            return textu;
        }

        public static byte[] GetDefaultVisualParams()
        {
            byte[] visualParams;
            visualParams = new byte[VISUALPARAM_COUNT];
            for (int i = 0; i < VISUALPARAM_COUNT; i++)
            {
                visualParams[i] = 100;
            }
            return visualParams;
        }

        public override String ToString()
        {
            String s = "[Wearables] =>";
            s += " Body Item: " + BodyItem.ToString() + ";";
            s += " Skin Item: " + SkinItem.ToString() + ";";
            s += " Shirt Item: " + ShirtItem.ToString() + ";";
            s += " Pants Item: " + PantsItem.ToString() + ";";
            return s;
        }

        // this is used for OGS1
        public virtual Hashtable ToHashTable()
        {
            Hashtable h = new Hashtable();
            h["owner"] = Owner.ToString();
            h["serial"] = Serial.ToString();
            h["visual_params"] = VisualParams;
            h["texture"] = Texture.GetBytes();
            h["avatar_height"] = AvatarHeight.ToString();
            h["body_item"] = BodyItem.ToString();
            h["body_asset"] = BodyAsset.ToString();
            h["skin_item"] = SkinItem.ToString();
            h["skin_asset"] = SkinAsset.ToString();
            h["hair_item"] = HairItem.ToString();
            h["hair_asset"] = HairAsset.ToString();
            h["eyes_item"] = EyesItem.ToString();
            h["eyes_asset"] = EyesAsset.ToString();
            h["shirt_item"] = ShirtItem.ToString();
            h["shirt_asset"] = ShirtAsset.ToString();
            h["pants_item"] = PantsItem.ToString();
            h["pants_asset"] = PantsAsset.ToString();
            h["shoes_item"] = ShoesItem.ToString();
            h["shoes_asset"] = ShoesAsset.ToString();
            h["socks_item"] = SocksItem.ToString();
            h["socks_asset"] = SocksAsset.ToString();
            h["jacket_item"] = JacketItem.ToString();
            h["jacket_asset"] = JacketAsset.ToString();
            h["gloves_item"] = GlovesItem.ToString();
            h["gloves_asset"] = GlovesAsset.ToString();
            h["undershirt_item"] = UnderShirtItem.ToString();
            h["undershirt_asset"] = UnderShirtAsset.ToString();
            h["underpants_item"] = UnderPantsItem.ToString();
            h["underpants_asset"] = UnderPantsAsset.ToString();
            h["skirt_item"] = SkirtItem.ToString();
            h["skirt_asset"] = SkirtAsset.ToString();

            string attachments = GetAttachmentsString();
            if (attachments != String.Empty)
                h["attachments"] = attachments;

            return h;
        }

        public AvatarAppearance(Hashtable h)
        {
            Owner = new UUID((string)h["owner"]);
            Serial = Convert.ToInt32((string)h["serial"]);
            VisualParams = (byte[])h["visual_params"];
            Texture = new Primitive.TextureEntry((byte[])h["texture"], 0, ((byte[])h["texture"]).Length);
            AvatarHeight = (float)Convert.ToDouble((string)h["avatar_height"]);

            m_wearables = new AvatarWearable[MAX_WEARABLES];
            for (int i = 0; i < MAX_WEARABLES; i++)
            {
                // this makes them all null
                m_wearables[i] = new AvatarWearable();
            }

            BodyItem = new UUID((string)h["body_item"]);
            BodyAsset = new UUID((string)h["body_asset"]);
            SkinItem = new UUID((string)h["skin_item"]);
            SkinAsset = new UUID((string)h["skin_asset"]);
            HairItem = new UUID((string)h["hair_item"]);
            HairAsset = new UUID((string)h["hair_asset"]);
            EyesItem = new UUID((string)h["eyes_item"]);
            EyesAsset = new UUID((string)h["eyes_asset"]);
            ShirtItem = new UUID((string)h["shirt_item"]);
            ShirtAsset = new UUID((string)h["shirt_asset"]);
            PantsItem = new UUID((string)h["pants_item"]);
            PantsAsset = new UUID((string)h["pants_asset"]);
            ShoesItem = new UUID((string)h["shoes_item"]);
            ShoesAsset = new UUID((string)h["shoes_asset"]);
            SocksItem = new UUID((string)h["socks_item"]);
            SocksAsset = new UUID((string)h["socks_asset"]);
            JacketItem = new UUID((string)h["jacket_item"]);
            JacketAsset = new UUID((string)h["jacket_asset"]);
            GlovesItem = new UUID((string)h["gloves_item"]);
            GlovesAsset = new UUID((string)h["gloves_asset"]);
            UnderShirtItem = new UUID((string)h["undershirt_item"]);
            UnderShirtAsset = new UUID((string)h["undershirt_asset"]);
            UnderPantsItem = new UUID((string)h["underpants_item"]);
            UnderPantsAsset = new UUID((string)h["underpants_asset"]);
            SkirtItem = new UUID((string)h["skirt_item"]);
            SkirtAsset = new UUID((string)h["skirt_asset"]);

            if (h.ContainsKey("attachments"))
            {
                SetAttachmentsString(h["attachments"].ToString());
            }
        }

        private Dictionary<int, UUID[]> m_attachments = new Dictionary<int, UUID[]>();

        public void SetAttachments(Hashtable data)
        {
            m_attachments.Clear();

            if (data == null)
                return;

            foreach (DictionaryEntry e in data)
            {
                int attachpoint = Convert.ToInt32(e.Key);

                if (m_attachments.ContainsKey(attachpoint))
                    continue;

                UUID item;
                UUID asset;

                Hashtable uuids = (Hashtable) e.Value;
                UUID.TryParse(uuids["item"].ToString(), out item);
                UUID.TryParse(uuids["asset"].ToString(), out asset);

                UUID[] attachment = new UUID[2];
                attachment[0] = item;
                attachment[1] = asset;

                m_attachments[attachpoint] = attachment;
            }
        }

        public Hashtable GetAttachments()
        {
            if (m_attachments.Count == 0)
                return null;

            Hashtable ret = new Hashtable();

            foreach (KeyValuePair<int, UUID[]> kvp in m_attachments)
            {
                int attachpoint = kvp.Key;
                UUID[] uuids = kvp.Value;

                Hashtable data = new Hashtable();
                data["item"] = uuids[0].ToString();
                data["asset"] = uuids[1].ToString();

                ret[attachpoint] = data;
            }

            return ret;
        }

        public List<int> GetAttachedPoints()
        {
            return new List<int>(m_attachments.Keys);
        }

        public UUID GetAttachedItem(int attachpoint)
        {
            if (!m_attachments.ContainsKey(attachpoint))
                return UUID.Zero;

            return m_attachments[attachpoint][0];
        }

        public UUID GetAttachedAsset(int attachpoint)
        {
            if (!m_attachments.ContainsKey(attachpoint))
                return UUID.Zero;

            return m_attachments[attachpoint][1];
        }

        public void SetAttachment(int attachpoint, UUID item, UUID asset)
        {
            if (attachpoint == 0)
                return;

            if (item == UUID.Zero)
            {
                if (m_attachments.ContainsKey(attachpoint))
                    m_attachments.Remove(attachpoint);
                return;
            }

            if (!m_attachments.ContainsKey(attachpoint))
                m_attachments[attachpoint] = new UUID[2];

            m_attachments[attachpoint][0] = item;
            m_attachments[attachpoint][1] = asset;
        }

        public int GetAttachpoint(UUID itemID)
        {
            foreach (KeyValuePair<int, UUID[]> kvp in m_attachments)
            {
                if (kvp.Value[0] == itemID)
                {
                    return kvp.Key;
                }
            }
            return 0;
        }

        public void DetachAttachment(UUID itemID)
        {
            int attachpoint = GetAttachpoint(itemID);

            if (attachpoint > 0)
                m_attachments.Remove(attachpoint);
        }

        string GetAttachmentsString()
        {
            List<string> strings = new List<string>();

            foreach (KeyValuePair<int, UUID[]> e in m_attachments)
            {
                strings.Add(e.Key.ToString());
                strings.Add(e.Value[0].ToString());
                strings.Add(e.Value[1].ToString());
            }

            return String.Join(",", strings.ToArray());
        }

        void SetAttachmentsString(string data)
        {
            string[] strings = data.Split(new char[] {','});
            int i = 0;

            m_attachments.Clear();

            while (strings.Length - i > 2)
            {
                int attachpoint = Int32.Parse(strings[i]);
                UUID item = new UUID(strings[i+1]);
                UUID asset = new UUID(strings[i+2]);
                i += 3;

                if (!m_attachments.ContainsKey(attachpoint))
                {
                    m_attachments[attachpoint] = new UUID[2];
                    m_attachments[attachpoint][0] = item;
                    m_attachments[attachpoint][1] = asset;
                }
            }
        }
    }
}