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-rw-r--r--OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.cs277
1 files changed, 277 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.cs b/OpenSim/Region/Environment/Modules/Scripting/DynamicTexture/DynamicTextureModule.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 OpenSim 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
28using System;
29using System.Collections.Generic;
30using System.Drawing;
31using System.Drawing.Imaging;
32using libsecondlife;
33using Nini.Config;
34using OpenJPEGNet;
35using OpenSim.Framework;
36using OpenSim.Region.Environment.Interfaces;
37using OpenSim.Region.Environment.Scenes;
38
39namespace OpenSim.Region.Environment.Modules.Scripting.DynamicTexture
40{
41 public class DynamicTextureModule : IRegionModule, IDynamicTextureManager
42 {
43 private Dictionary<LLUUID, Scene> RegisteredScenes = new Dictionary<LLUUID, Scene>();
44
45 private Dictionary<string, IDynamicTextureRender> RenderPlugins =
46 new Dictionary<string, IDynamicTextureRender>();
47
48 private Dictionary<LLUUID, DynamicTextureUpdater> Updaters = new Dictionary<LLUUID, DynamicTextureUpdater>();
49
50 public void Initialise(Scene scene, IConfigSource config)
51 {
52 if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID))
53 {
54 RegisteredScenes.Add(scene.RegionInfo.RegionID, scene);
55 scene.RegisterModuleInterface<IDynamicTextureManager>(this);
56 }
57 }
58
59 public void PostInitialise()
60 {
61 }
62
63 public void Close()
64 {
65 }
66
67 public string Name
68 {
69 get { return "DynamicTextureModule"; }
70 }
71
72 public bool IsSharedModule
73 {
74 get { return true; }
75 }
76
77 public void RegisterRender(string handleType, IDynamicTextureRender render)
78 {
79 if (!RenderPlugins.ContainsKey(handleType))
80 {
81 RenderPlugins.Add(handleType, render);
82 }
83 }
84
85 public void ReturnData(LLUUID id, byte[] data)
86 {
87 if (Updaters.ContainsKey(id))
88 {
89 DynamicTextureUpdater updater = Updaters[id];
90 if (RegisteredScenes.ContainsKey(updater.SimUUID))
91 {
92 Scene scene = RegisteredScenes[updater.SimUUID];
93 updater.DataReceived(data, scene);
94 }
95 }
96 }
97
98
99 public LLUUID AddDynamicTextureURL(LLUUID simID, LLUUID primID, string contentType, string url,
100 string extraParams, int updateTimer)
101 {
102 return AddDynamicTextureURL(simID, primID, contentType, url, extraParams, updateTimer, false, 255);
103 }
104
105 public LLUUID AddDynamicTextureURL(LLUUID simID, LLUUID primID, string contentType, string url,
106 string extraParams, int updateTimer, bool SetBlending, byte AlphaValue)
107 {
108 if (RenderPlugins.ContainsKey(contentType))
109 {
110 //Console.WriteLine("dynamic texture being created: " + url + " of type " + contentType);
111
112 DynamicTextureUpdater updater = new DynamicTextureUpdater();
113 updater.SimUUID = simID;
114 updater.PrimID = primID;
115 updater.ContentType = contentType;
116 updater.Url = url;
117 updater.UpdateTimer = updateTimer;
118 updater.UpdaterID = LLUUID.Random();
119 updater.Params = extraParams;
120 updater.BlendWithOldTexture = SetBlending;
121 updater.FrontAlpha = AlphaValue;
122
123 if (!Updaters.ContainsKey(updater.UpdaterID))
124 {
125 Updaters.Add(updater.UpdaterID, updater);
126 }
127
128 RenderPlugins[contentType].AsyncConvertUrl(updater.UpdaterID, url, extraParams);
129 return updater.UpdaterID;
130 }
131 return LLUUID.Zero;
132 }
133
134 public LLUUID AddDynamicTextureData(LLUUID simID, LLUUID primID, string contentType, string data,
135 string extraParams, int updateTimer)
136 {
137 return AddDynamicTextureData(simID, primID, contentType, data, extraParams, updateTimer, false, 255);
138 }
139
140 public LLUUID AddDynamicTextureData(LLUUID simID, LLUUID primID, string contentType, string data,
141 string extraParams, int updateTimer, bool SetBlending, byte AlphaValue)
142 {
143 if (RenderPlugins.ContainsKey(contentType))
144 {
145 DynamicTextureUpdater updater = new DynamicTextureUpdater();
146 updater.SimUUID = simID;
147 updater.PrimID = primID;
148 updater.ContentType = contentType;
149 updater.BodyData = data;
150 updater.UpdateTimer = updateTimer;
151 updater.UpdaterID = LLUUID.Random();
152 updater.Params = extraParams;
153 updater.BlendWithOldTexture = SetBlending;
154 updater.FrontAlpha = AlphaValue;
155
156 if (!Updaters.ContainsKey(updater.UpdaterID))
157 {
158 Updaters.Add(updater.UpdaterID, updater);
159 }
160
161 RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
162 return updater.UpdaterID;
163 }
164 return LLUUID.Zero;
165 }
166
167 public class DynamicTextureUpdater
168 {
169 public LLUUID SimUUID;
170 public LLUUID UpdaterID;
171 public string ContentType;
172 public string Url;
173 public string BodyData;
174 public LLUUID PrimID;
175 public int UpdateTimer;
176 public LLUUID LastAssetID;
177 public string Params;
178 public bool BlendWithOldTexture = false;
179 public bool SetNewFrontAlpha = false;
180 public byte FrontAlpha = 255;
181
182 public DynamicTextureUpdater()
183 {
184 LastAssetID = LLUUID.Zero;
185 UpdateTimer = 0;
186 BodyData = null;
187 }
188
189 public void DataReceived(byte[] data, Scene scene)
190 {
191 SceneObjectPart part = scene.GetSceneObjectPart(PrimID);
192 byte[] assetData;
193 AssetBase oldAsset = null;
194 if (BlendWithOldTexture)
195 {
196 LLUUID lastTextureID = part.Shape.Textures.DefaultTexture.TextureID;
197 oldAsset = scene.AssetCache.GetAsset(lastTextureID, true);
198 if (oldAsset != null)
199 {
200 assetData = BlendTextures(data, oldAsset.Data, SetNewFrontAlpha, FrontAlpha);
201 }
202 else
203 {
204 assetData = new byte[data.Length];
205 Array.Copy(data, assetData, data.Length);
206 }
207 }
208 else
209 {
210 assetData = new byte[data.Length];
211 Array.Copy(data, assetData, data.Length);
212 }
213
214 //TODO delete the last asset(data), if it was a dynamic texture
215 AssetBase asset = new AssetBase();
216 asset.FullID = LLUUID.Random();
217 asset.Data = assetData;
218 asset.Name = "DynamicImage" + Util.RandomClass.Next(1, 10000);
219 asset.Type = 0;
220 asset.Description = "dynamic image";
221 asset.Local = false;
222 asset.Temporary = true;
223 scene.AssetCache.AddAsset(asset);
224
225 LastAssetID = asset.FullID;
226
227
228 part.Shape.Textures = new LLObject.TextureEntry(asset.FullID);
229 part.ScheduleFullUpdate();
230 }
231
232// TODO: unused
233// private byte[] BlendTextures(byte[] frontImage, byte[] backImage)
234// {
235// return BlendTextures(frontImage, backImage, false, 0);
236// }
237
238 private byte[] BlendTextures(byte[] frontImage, byte[] backImage, bool setNewAlpha, byte newAlpha)
239 {
240 Bitmap image1 = new Bitmap(OpenJPEG.DecodeToImage(frontImage));
241 Bitmap image2 = new Bitmap(OpenJPEG.DecodeToImage(backImage));
242 if (setNewAlpha)
243 {
244 SetAlpha(ref image1, newAlpha);
245 }
246 Bitmap joint = MergeBitMaps(image1, image2);
247
248 return OpenJPEG.EncodeFromImage(joint, true);
249 }
250
251 public Bitmap MergeBitMaps(Bitmap front, Bitmap back)
252 {
253 Bitmap joint;
254 Graphics jG;
255
256 joint = new Bitmap(back.Width, back.Height, PixelFormat.Format32bppArgb);
257 jG = Graphics.FromImage(joint);
258
259 jG.DrawImage(back, 0, 0, back.Width, back.Height);
260 jG.DrawImage(front, 0, 0, back.Width, back.Height);
261
262 return joint;
263 }
264
265 private void SetAlpha(ref Bitmap b, byte alpha)
266 {
267 for (int w = 0; w < b.Width; w++)
268 {
269 for (int h = 0; h < b.Height; h++)
270 {
271 b.SetPixel(w, h, Color.FromArgb(alpha, b.GetPixel(w, h)));
272 }
273 }
274 }
275 }
276 }
277} \ No newline at end of file