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Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs b/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs new file mode 100644 index 0000000..55455cc --- /dev/null +++ b/OpenSim/Region/Framework/Scenes/Serialization/CoalescedSceneObjectsSerializer.cs | |||
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1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSimulator Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | using System; | ||
29 | using System.Collections.Generic; | ||
30 | using System.Drawing; | ||
31 | using System.IO; | ||
32 | using System.Reflection; | ||
33 | using System.Xml; | ||
34 | using log4net; | ||
35 | using OpenMetaverse; | ||
36 | using OpenSim.Framework; | ||
37 | using OpenSim.Region.Framework.Interfaces; | ||
38 | using OpenSim.Region.Framework.Scenes; | ||
39 | |||
40 | namespace OpenSim.Region.Framework.Scenes.Serialization | ||
41 | { | ||
42 | /// <summary> | ||
43 | /// Serialize and deserialize coalesced scene objects. | ||
44 | /// </summary> | ||
45 | /// <remarks> | ||
46 | /// Deserialization not yet here. | ||
47 | /// </remarks> | ||
48 | public class CoalescedSceneObjectsSerializer | ||
49 | { | ||
50 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); | ||
51 | |||
52 | /// <summary> | ||
53 | /// Serialize coalesced objects to Xml | ||
54 | /// </summary> | ||
55 | /// <param name="coa"></param> | ||
56 | /// <returns></returns> | ||
57 | public static string ToXml(CoalescedSceneObjects coa) | ||
58 | { | ||
59 | using (StringWriter sw = new StringWriter()) | ||
60 | { | ||
61 | using (XmlTextWriter writer = new XmlTextWriter(sw)) | ||
62 | { | ||
63 | Vector3 size; | ||
64 | |||
65 | List<SceneObjectGroup> coaObjects = coa.Objects; | ||
66 | |||
67 | // m_log.DebugFormat( | ||
68 | // "[COALESCED SCENE OBJECTS SERIALIZER]: Writing {0} objects for coalesced object", | ||
69 | // coaObjects.Count); | ||
70 | |||
71 | // This is weak - we're relying on the set of coalesced objects still being identical | ||
72 | Vector3[] offsets = coa.GetSizeAndOffsets(out size); | ||
73 | |||
74 | writer.WriteStartElement("CoalescedObject"); | ||
75 | |||
76 | writer.WriteAttributeString("x", size.X.ToString()); | ||
77 | writer.WriteAttributeString("y", size.Y.ToString()); | ||
78 | writer.WriteAttributeString("z", size.Z.ToString()); | ||
79 | |||
80 | // Embed the offsets into the group XML | ||
81 | for (int i = 0; i < coaObjects.Count; i++) | ||
82 | { | ||
83 | SceneObjectGroup obj = coaObjects[i]; | ||
84 | |||
85 | // m_log.DebugFormat( | ||
86 | // "[COALESCED SCENE OBJECTS SERIALIZER]: Writing offset for object {0}, {1}", | ||
87 | // i, obj.Name); | ||
88 | |||
89 | writer.WriteStartElement("SceneObjectGroup"); | ||
90 | writer.WriteAttributeString("offsetx", offsets[i].X.ToString()); | ||
91 | writer.WriteAttributeString("offsety", offsets[i].Y.ToString()); | ||
92 | writer.WriteAttributeString("offsetz", offsets[i].Z.ToString()); | ||
93 | |||
94 | SceneObjectSerializer.ToOriginalXmlFormat(obj, writer, true); | ||
95 | |||
96 | writer.WriteEndElement(); // SceneObjectGroup | ||
97 | } | ||
98 | |||
99 | writer.WriteEndElement(); // CoalescedObject | ||
100 | } | ||
101 | |||
102 | string output = sw.ToString(); | ||
103 | |||
104 | // Console.WriteLine(output); | ||
105 | |||
106 | return output; | ||
107 | } | ||
108 | } | ||
109 | |||
110 | public static bool TryFromXml(string xml, out CoalescedSceneObjects coa) | ||
111 | { | ||
112 | // m_log.DebugFormat("[COALESCED SCENE OBJECTS SERIALIZER]: TryFromXml() deserializing {0}", xml); | ||
113 | |||
114 | coa = null; | ||
115 | |||
116 | using (StringReader sr = new StringReader(xml)) | ||
117 | { | ||
118 | using (XmlTextReader reader = new XmlTextReader(sr)) | ||
119 | { | ||
120 | try | ||
121 | { | ||
122 | reader.Read(); | ||
123 | if (reader.Name != "CoalescedObject") | ||
124 | { | ||
125 | // m_log.DebugFormat( | ||
126 | // "[COALESCED SCENE OBJECTS SERIALIZER]: TryFromXml() root element was {0} so returning false", | ||
127 | // reader.Name); | ||
128 | |||
129 | return false; | ||
130 | } | ||
131 | |||
132 | coa = new CoalescedSceneObjects(UUID.Zero); | ||
133 | reader.Read(); | ||
134 | |||
135 | while (reader.NodeType != XmlNodeType.EndElement && reader.Name != "CoalescedObject") | ||
136 | { | ||
137 | if (reader.Name == "SceneObjectGroup") | ||
138 | { | ||
139 | string soXml = reader.ReadOuterXml(); | ||
140 | coa.Add(SceneObjectSerializer.FromOriginalXmlFormat(soXml)); | ||
141 | } | ||
142 | } | ||
143 | |||
144 | reader.ReadEndElement(); // CoalescedObject | ||
145 | } | ||
146 | catch (Exception e) | ||
147 | { | ||
148 | m_log.ErrorFormat( | ||
149 | "[COALESCED SCENE OBJECTS SERIALIZER]: Deserialization of xml failed with {0} {1}", | ||
150 | e.Message, e.StackTrace); | ||
151 | |||
152 | return false; | ||
153 | } | ||
154 | } | ||
155 | } | ||
156 | |||
157 | return true; | ||
158 | } | ||
159 | } | ||
160 | } \ No newline at end of file | ||