clockwerk-opensim – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.Drawing; |
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31 | using System.Drawing.Imaging; |
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32 | using Nini.Config; |
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33 | using OpenMetaverse; |
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34 | using OpenMetaverse.Imaging; |
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35 | using OpenSim.Framework; |
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36 | using OpenSim.Region.Framework.Interfaces; |
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37 | using OpenSim.Region.Framework.Scenes; |
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38 | using log4net; |
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39 | using System.Reflection; |
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40 | using Mono.Addins; |
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41 | |||
42 | namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture |
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43 | { |
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44 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "DynamicTextureModule")] |
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45 | public class DynamicTextureModule : ISharedRegionModule, IDynamicTextureManager |
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46 | { |
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47 | // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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48 | |||
49 | private const int ALL_SIDES = -1; |
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50 | |||
51 | public const int DISP_EXPIRE = 1; |
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52 | public const int DISP_TEMP = 2; |
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53 | |||
54 | /// <summary> |
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55 | /// If true then where possible dynamic textures are reused. |
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56 | /// </summary> |
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57 | public bool ReuseTextures { get; set; } |
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58 | |||
59 | /// <summary> |
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60 | /// If false, then textures which have a low data size are not reused when ReuseTextures = true. |
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61 | /// </summary> |
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62 | /// <remarks> |
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63 | /// LL viewers 3.3.4 and before appear to not fully render textures pulled from the viewer cache if those |
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64 | /// textures have a relatively high pixel surface but a small data size. Typically, this appears to happen |
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65 | /// if the data size is smaller than the viewer's discard level 2 size estimate. So if this is setting is |
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66 | /// false, textures smaller than the calculation in IsSizeReuseable are always regenerated rather than reused |
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67 | /// to work around this problem.</remarks> |
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68 | public bool ReuseLowDataTextures { get; set; } |
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69 | |||
70 | private Dictionary<UUID, Scene> RegisteredScenes = new Dictionary<UUID, Scene>(); |
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71 | |||
72 | private Dictionary<string, IDynamicTextureRender> RenderPlugins = |
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73 | new Dictionary<string, IDynamicTextureRender>(); |
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74 | |||
75 | private Dictionary<UUID, DynamicTextureUpdater> Updaters = new Dictionary<UUID, DynamicTextureUpdater>(); |
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76 | |||
77 | /// <summary> |
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78 | /// Record dynamic textures that we can reuse for a given data and parameter combination rather than |
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79 | /// regenerate. |
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80 | /// </summary> |
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81 | /// <remarks> |
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82 | /// Key is string.Format("{0}{1}", data |
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83 | /// </remarks> |
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84 | private Cache m_reuseableDynamicTextures; |
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85 | |||
86 | /// <summary> |
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87 | /// This constructor is only here because of the Unit Tests... |
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88 | /// Don't use it. |
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89 | /// </summary> |
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90 | public DynamicTextureModule() |
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91 | { |
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92 | m_reuseableDynamicTextures = new Cache(CacheMedium.Memory, CacheStrategy.Conservative); |
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93 | m_reuseableDynamicTextures.DefaultTTL = new TimeSpan(24, 0, 0); |
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94 | } |
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95 | |||
96 | #region IDynamicTextureManager Members |
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97 | |||
98 | public void RegisterRender(string handleType, IDynamicTextureRender render) |
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99 | { |
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100 | if (!RenderPlugins.ContainsKey(handleType)) |
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101 | { |
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102 | RenderPlugins.Add(handleType, render); |
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103 | } |
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104 | } |
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105 | |||
106 | /// <summary> |
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107 | /// Called by code which actually renders the dynamic texture to supply texture data. |
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108 | /// </summary> |
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109 | /// <param name="updaterId"></param> |
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110 | /// <param name="texture"></param> |
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111 | public void ReturnData(UUID updaterId, IDynamicTexture texture) |
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112 | { |
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113 | DynamicTextureUpdater updater = null; |
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114 | |||
115 | lock (Updaters) |
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116 | { |
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117 | if (Updaters.ContainsKey(updaterId)) |
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118 | { |
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119 | updater = Updaters[updaterId]; |
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120 | } |
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121 | } |
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122 | |||
123 | if (updater != null) |
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124 | { |
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125 | if (RegisteredScenes.ContainsKey(updater.SimUUID)) |
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126 | { |
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127 | Scene scene = RegisteredScenes[updater.SimUUID]; |
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128 | UUID newTextureID = updater.DataReceived(texture.Data, scene); |
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129 | |||
130 | if (ReuseTextures |
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131 | && !updater.BlendWithOldTexture |
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132 | && texture.IsReuseable |
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133 | && (ReuseLowDataTextures || IsDataSizeReuseable(texture))) |
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134 | { |
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135 | m_reuseableDynamicTextures.Store( |
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136 | GenerateReusableTextureKey(texture.InputCommands, texture.InputParams), newTextureID); |
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137 | } |
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138 | } |
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139 | } |
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140 | |||
141 | if (updater.UpdateTimer == 0) |
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142 | { |
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143 | lock (Updaters) |
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144 | { |
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145 | if (!Updaters.ContainsKey(updater.UpdaterID)) |
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146 | { |
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147 | Updaters.Remove(updater.UpdaterID); |
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148 | } |
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149 | } |
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150 | } |
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151 | } |
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152 | |||
153 | /// <summary> |
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154 | /// Determines whether the texture is reuseable based on its data size. |
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155 | /// </summary> |
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156 | /// <remarks> |
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157 | /// This is a workaround for a viewer bug where very small data size textures relative to their pixel size |
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158 | /// are not redisplayed properly when pulled from cache. The calculation here is based on the typical discard |
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159 | /// level of 2, a 'rate' of 0.125 and 4 components (which makes for a factor of 0.5). |
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160 | /// </remarks> |
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161 | /// <returns></returns> |
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162 | private bool IsDataSizeReuseable(IDynamicTexture texture) |
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163 | { |
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164 | // Console.WriteLine("{0} {1}", texture.Size.Width, texture.Size.Height); |
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165 | int discardLevel2DataThreshold = (int)Math.Ceiling((texture.Size.Width >> 2) * (texture.Size.Height >> 2) * 0.5); |
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166 | |||
167 | // m_log.DebugFormat( |
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168 | // "[DYNAMIC TEXTURE MODULE]: Discard level 2 threshold {0}, texture data length {1}", |
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169 | // discardLevel2DataThreshold, texture.Data.Length); |
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170 | |||
171 | return discardLevel2DataThreshold < texture.Data.Length; |
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172 | } |
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173 | |||
174 | public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, |
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175 | string extraParams, int updateTimer) |
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176 | { |
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177 | return AddDynamicTextureURL(simID, primID, contentType, url, extraParams, updateTimer, false, 255); |
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178 | } |
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179 | |||
180 | public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, |
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181 | string extraParams, int updateTimer, bool SetBlending, byte AlphaValue) |
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182 | { |
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183 | return AddDynamicTextureURL(simID, primID, contentType, url, |
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184 | extraParams, updateTimer, SetBlending, |
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185 | (int)(DISP_TEMP|DISP_EXPIRE), AlphaValue, ALL_SIDES); |
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186 | } |
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187 | |||
188 | public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, |
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189 | string extraParams, int updateTimer, bool SetBlending, |
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190 | int disp, byte AlphaValue, int face) |
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191 | { |
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192 | if (RenderPlugins.ContainsKey(contentType)) |
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193 | { |
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194 | DynamicTextureUpdater updater = new DynamicTextureUpdater(); |
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195 | updater.SimUUID = simID; |
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196 | updater.PrimID = primID; |
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197 | updater.ContentType = contentType; |
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198 | updater.Url = url; |
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199 | updater.UpdateTimer = updateTimer; |
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200 | updater.UpdaterID = UUID.Random(); |
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201 | updater.Params = extraParams; |
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202 | updater.BlendWithOldTexture = SetBlending; |
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203 | updater.FrontAlpha = AlphaValue; |
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204 | updater.Face = face; |
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205 | updater.Disp = disp; |
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206 | |||
207 | lock (Updaters) |
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208 | { |
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209 | if (!Updaters.ContainsKey(updater.UpdaterID)) |
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210 | { |
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211 | Updaters.Add(updater.UpdaterID, updater); |
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212 | } |
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213 | } |
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214 | |||
215 | RenderPlugins[contentType].AsyncConvertUrl(updater.UpdaterID, url, extraParams); |
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216 | return updater.UpdaterID; |
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217 | } |
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218 | return UUID.Zero; |
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219 | } |
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220 | |||
221 | public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data, |
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222 | string extraParams, int updateTimer) |
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223 | { |
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224 | return AddDynamicTextureData(simID, primID, contentType, data, extraParams, updateTimer, false, 255); |
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225 | } |
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226 | |||
227 | public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data, |
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228 | string extraParams, int updateTimer, bool SetBlending, byte AlphaValue) |
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229 | { |
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230 | return AddDynamicTextureData(simID, primID, contentType, data, extraParams, updateTimer, SetBlending, |
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231 | (int) (DISP_TEMP|DISP_EXPIRE), AlphaValue, ALL_SIDES); |
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232 | } |
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233 | |||
234 | public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data, |
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235 | string extraParams, int updateTimer, bool SetBlending, int disp, byte AlphaValue, int face) |
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236 | { |
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237 | if (!RenderPlugins.ContainsKey(contentType)) |
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238 | return UUID.Zero; |
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239 | |||
240 | Scene scene; |
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241 | RegisteredScenes.TryGetValue(simID, out scene); |
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242 | |||
243 | if (scene == null) |
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244 | return UUID.Zero; |
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245 | |||
246 | SceneObjectPart part = scene.GetSceneObjectPart(primID); |
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247 | |||
248 | if (part == null) |
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249 | return UUID.Zero; |
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250 | |||
251 | // If we want to reuse dynamic textures then we have to ignore any request from the caller to expire |
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252 | // them. |
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253 | if (ReuseTextures) |
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254 | disp = disp & ~DISP_EXPIRE; |
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255 | |||
256 | DynamicTextureUpdater updater = new DynamicTextureUpdater(); |
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257 | updater.SimUUID = simID; |
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258 | updater.PrimID = primID; |
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259 | updater.ContentType = contentType; |
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260 | updater.BodyData = data; |
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261 | updater.UpdateTimer = updateTimer; |
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262 | updater.UpdaterID = UUID.Random(); |
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263 | updater.Params = extraParams; |
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264 | updater.BlendWithOldTexture = SetBlending; |
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265 | updater.FrontAlpha = AlphaValue; |
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266 | updater.Face = face; |
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267 | updater.Url = "Local image"; |
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268 | updater.Disp = disp; |
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269 | |||
270 | object objReusableTextureUUID = null; |
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271 | |||
272 | if (ReuseTextures && !updater.BlendWithOldTexture) |
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273 | { |
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274 | string reuseableTextureKey = GenerateReusableTextureKey(data, extraParams); |
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275 | objReusableTextureUUID = m_reuseableDynamicTextures.Get(reuseableTextureKey); |
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276 | |||
277 | if (objReusableTextureUUID != null) |
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278 | { |
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279 | // If something else has removed this temporary asset from the cache, detect and invalidate |
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280 | // our cached uuid. |
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281 | if (scene.AssetService.GetMetadata(objReusableTextureUUID.ToString()) == null) |
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282 | { |
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283 | m_reuseableDynamicTextures.Invalidate(reuseableTextureKey); |
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284 | objReusableTextureUUID = null; |
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285 | } |
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286 | } |
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287 | } |
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288 | |||
289 | // We cannot reuse a dynamic texture if the data is going to be blended with something already there. |
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290 | if (objReusableTextureUUID == null) |
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291 | { |
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292 | lock (Updaters) |
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293 | { |
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294 | if (!Updaters.ContainsKey(updater.UpdaterID)) |
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295 | { |
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296 | Updaters.Add(updater.UpdaterID, updater); |
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297 | } |
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298 | } |
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299 | |||
300 | // m_log.DebugFormat( |
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301 | // "[DYNAMIC TEXTURE MODULE]: Requesting generation of new dynamic texture for {0} in {1}", |
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302 | // part.Name, part.ParentGroup.Scene.Name); |
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303 | |||
304 | RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams); |
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305 | } |
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306 | else |
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307 | { |
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308 | // m_log.DebugFormat( |
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309 | // "[DYNAMIC TEXTURE MODULE]: Reusing cached texture {0} for {1} in {2}", |
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310 | // objReusableTextureUUID, part.Name, part.ParentGroup.Scene.Name); |
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311 | |||
312 | // No need to add to updaters as the texture is always the same. Not that this functionality |
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313 | // apppears to be implemented anyway. |
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314 | updater.UpdatePart(part, (UUID)objReusableTextureUUID); |
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315 | } |
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316 | |||
317 | return updater.UpdaterID; |
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318 | } |
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319 | |||
320 | private string GenerateReusableTextureKey(string data, string extraParams) |
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321 | { |
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322 | return string.Format("{0}{1}", data, extraParams); |
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323 | } |
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324 | |||
325 | public void GetDrawStringSize(string contentType, string text, string fontName, int fontSize, |
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326 | out double xSize, out double ySize) |
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327 | { |
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328 | xSize = 0; |
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329 | ySize = 0; |
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330 | if (RenderPlugins.ContainsKey(contentType)) |
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331 | { |
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332 | RenderPlugins[contentType].GetDrawStringSize(text, fontName, fontSize, out xSize, out ySize); |
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333 | } |
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334 | } |
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335 | |||
336 | #endregion |
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337 | |||
338 | #region ISharedRegionModule Members |
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339 | |||
340 | public void Initialise(IConfigSource config) |
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341 | { |
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342 | IConfig texturesConfig = config.Configs["Textures"]; |
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343 | if (texturesConfig != null) |
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344 | { |
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345 | ReuseTextures = texturesConfig.GetBoolean("ReuseDynamicTextures", false); |
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346 | ReuseLowDataTextures = texturesConfig.GetBoolean("ReuseDynamicLowDataTextures", false); |
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347 | |||
348 | if (ReuseTextures) |
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349 | { |
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350 | m_reuseableDynamicTextures = new Cache(CacheMedium.Memory, CacheStrategy.Conservative); |
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351 | m_reuseableDynamicTextures.DefaultTTL = new TimeSpan(24, 0, 0); |
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352 | } |
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353 | } |
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354 | } |
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355 | |||
356 | public void PostInitialise() |
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357 | { |
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358 | } |
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359 | |||
360 | public void AddRegion(Scene scene) |
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361 | { |
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362 | if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID)) |
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363 | { |
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364 | RegisteredScenes.Add(scene.RegionInfo.RegionID, scene); |
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365 | scene.RegisterModuleInterface<IDynamicTextureManager>(this); |
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366 | } |
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367 | } |
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368 | |||
369 | public void RegionLoaded(Scene scene) |
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370 | { |
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371 | } |
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372 | |||
373 | public void RemoveRegion(Scene scene) |
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374 | { |
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375 | if (RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID)) |
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376 | RegisteredScenes.Remove(scene.RegionInfo.RegionID); |
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377 | } |
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378 | |||
379 | public void Close() |
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380 | { |
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381 | } |
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382 | |||
383 | public string Name |
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384 | { |
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385 | get { return "DynamicTextureModule"; } |
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386 | } |
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387 | |||
388 | public Type ReplaceableInterface |
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389 | { |
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390 | get { return null; } |
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391 | } |
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392 | |||
393 | #endregion |
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394 | |||
395 | #region Nested type: DynamicTextureUpdater |
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396 | |||
397 | public class DynamicTextureUpdater |
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398 | { |
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399 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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400 | |||
401 | public bool BlendWithOldTexture = false; |
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402 | public string BodyData; |
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403 | public string ContentType; |
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404 | public byte FrontAlpha = 255; |
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405 | public string Params; |
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406 | public UUID PrimID; |
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407 | public bool SetNewFrontAlpha = false; |
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408 | public UUID SimUUID; |
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409 | public UUID UpdaterID; |
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410 | public int UpdateTimer; |
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411 | public int Face; |
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412 | public int Disp; |
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413 | public string Url; |
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414 | |||
415 | public DynamicTextureUpdater() |
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416 | { |
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417 | UpdateTimer = 0; |
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418 | BodyData = null; |
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419 | } |
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420 | |||
421 | /// <summary> |
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422 | /// Update the given part with the new texture. |
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423 | /// </summary> |
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424 | /// <returns> |
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425 | /// The old texture UUID. |
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426 | /// </returns> |
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427 | public UUID UpdatePart(SceneObjectPart part, UUID textureID) |
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428 | { |
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429 | UUID oldID; |
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430 | |||
431 | lock (part) |
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432 | { |
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433 | // mostly keep the values from before |
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434 | Primitive.TextureEntry tmptex = part.Shape.Textures; |
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435 | |||
436 | // FIXME: Need to return the appropriate ID if only a single face is replaced. |
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437 | oldID = tmptex.DefaultTexture.TextureID; |
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438 | |||
439 | if (Face == ALL_SIDES) |
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440 | { |
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441 | oldID = tmptex.DefaultTexture.TextureID; |
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442 | tmptex.DefaultTexture.TextureID = textureID; |
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443 | } |
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444 | else |
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445 | { |
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446 | try |
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447 | { |
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448 | Primitive.TextureEntryFace texface = tmptex.CreateFace((uint)Face); |
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449 | texface.TextureID = textureID; |
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450 | tmptex.FaceTextures[Face] = texface; |
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451 | } |
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452 | catch (Exception) |
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453 | { |
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454 | tmptex.DefaultTexture.TextureID = textureID; |
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455 | } |
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456 | } |
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457 | |||
458 | // I'm pretty sure we always want to force this to true |
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459 | // I'm pretty sure noone whats to set fullbright true if it wasn't true before. |
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460 | // tmptex.DefaultTexture.Fullbright = true; |
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461 | |||
462 | part.UpdateTextureEntry(tmptex.GetBytes()); |
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463 | } |
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464 | |||
465 | return oldID; |
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466 | } |
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467 | |||
468 | /// <summary> |
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469 | /// Called once new texture data has been received for this updater. |
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470 | /// </summary> |
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471 | /// <param name="data"></param> |
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472 | /// <param name="scene"></param> |
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473 | /// <param name="isReuseable">True if the data given is reuseable.</param> |
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474 | /// <returns>The asset UUID given to the incoming data.</returns> |
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475 | public UUID DataReceived(byte[] data, Scene scene) |
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476 | { |
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477 | SceneObjectPart part = scene.GetSceneObjectPart(PrimID); |
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478 | |||
479 | if (part == null || data == null || data.Length <= 1) |
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480 | { |
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481 | string msg = |
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482 | String.Format("DynamicTextureModule: Error preparing image using URL {0}", Url); |
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483 | scene.SimChat(Utils.StringToBytes(msg), ChatTypeEnum.Say, |
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484 | 0, part.ParentGroup.RootPart.AbsolutePosition, part.Name, part.UUID, false); |
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485 | |||
486 | return UUID.Zero; |
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487 | } |
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488 | |||
489 | byte[] assetData = null; |
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490 | AssetBase oldAsset = null; |
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491 | |||
492 | if (BlendWithOldTexture) |
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493 | { |
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494 | Primitive.TextureEntryFace defaultFace = part.Shape.Textures.DefaultTexture; |
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495 | if (defaultFace != null) |
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496 | { |
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497 | oldAsset = scene.AssetService.Get(defaultFace.TextureID.ToString()); |
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498 | |||
499 | if (oldAsset != null) |
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500 | assetData = BlendTextures(data, oldAsset.Data, SetNewFrontAlpha, FrontAlpha); |
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501 | } |
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502 | } |
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503 | |||
504 | if (assetData == null) |
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505 | { |
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506 | assetData = new byte[data.Length]; |
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507 | Array.Copy(data, assetData, data.Length); |
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508 | } |
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509 | |||
510 | // Create a new asset for user |
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511 | AssetBase asset |
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512 | = new AssetBase( |
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513 | UUID.Random(), "DynamicImage" + Util.RandomClass.Next(1, 10000), (sbyte)AssetType.Texture, |
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514 | scene.RegionInfo.RegionID.ToString()); |
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515 | asset.Data = assetData; |
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516 | asset.Description = String.Format("URL image : {0}", Url); |
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517 | if (asset.Description.Length > AssetBase.MAX_ASSET_DESC) |
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518 | asset.Description = asset.Description.Substring(0, AssetBase.MAX_ASSET_DESC); |
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519 | asset.Local = true; // dynamic images aren't saved in the assets server |
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520 | asset.Temporary = ((Disp & DISP_TEMP) != 0); |
||
521 | scene.AssetService.Store(asset); // this will only save the asset in the local asset cache |
||
522 | |||
523 | IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface<IJ2KDecoder>(); |
||
524 | if (cacheLayerDecode != null) |
||
525 | { |
||
526 | if (!cacheLayerDecode.Decode(asset.FullID, asset.Data)) |
||
527 | m_log.WarnFormat( |
||
528 | "[DYNAMIC TEXTURE MODULE]: Decoding of dynamically generated asset {0} for {1} in {2} failed", |
||
529 | asset.ID, part.Name, part.ParentGroup.Scene.Name); |
||
530 | } |
||
531 | |||
532 | UUID oldID = UpdatePart(part, asset.FullID); |
||
533 | |||
534 | if (oldID != UUID.Zero && ((Disp & DISP_EXPIRE) != 0)) |
||
535 | { |
||
536 | if (oldAsset == null) |
||
537 | oldAsset = scene.AssetService.Get(oldID.ToString()); |
||
538 | |||
539 | if (oldAsset != null) |
||
540 | { |
||
541 | if (oldAsset.Temporary) |
||
542 | { |
||
543 | scene.AssetService.Delete(oldID.ToString()); |
||
544 | } |
||
545 | } |
||
546 | } |
||
547 | |||
548 | return asset.FullID; |
||
549 | } |
||
550 | |||
551 | private byte[] BlendTextures(byte[] frontImage, byte[] backImage, bool setNewAlpha, byte newAlpha) |
||
552 | { |
||
553 | ManagedImage managedImage; |
||
554 | Image image; |
||
555 | |||
556 | if (OpenJPEG.DecodeToImage(frontImage, out managedImage, out image)) |
||
557 | { |
||
558 | Bitmap image1 = new Bitmap(image); |
||
559 | |||
560 | if (OpenJPEG.DecodeToImage(backImage, out managedImage, out image)) |
||
561 | { |
||
562 | Bitmap image2 = new Bitmap(image); |
||
563 | |||
564 | if (setNewAlpha) |
||
565 | SetAlpha(ref image1, newAlpha); |
||
566 | |||
567 | Bitmap joint = MergeBitMaps(image1, image2); |
||
568 | |||
569 | byte[] result = new byte[0]; |
||
570 | |||
571 | try |
||
572 | { |
||
573 | result = OpenJPEG.EncodeFromImage(joint, true); |
||
574 | } |
||
575 | catch (Exception e) |
||
576 | { |
||
577 | m_log.ErrorFormat( |
||
578 | "[DYNAMICTEXTUREMODULE]: OpenJpeg Encode Failed. Exception {0}{1}", |
||
579 | e.Message, e.StackTrace); |
||
580 | } |
||
581 | |||
582 | return result; |
||
583 | } |
||
584 | } |
||
585 | |||
586 | return null; |
||
587 | } |
||
588 | |||
589 | public Bitmap MergeBitMaps(Bitmap front, Bitmap back) |
||
590 | { |
||
591 | Bitmap joint; |
||
592 | Graphics jG; |
||
593 | |||
594 | joint = new Bitmap(back.Width, back.Height, PixelFormat.Format32bppArgb); |
||
595 | jG = Graphics.FromImage(joint); |
||
596 | |||
597 | jG.DrawImage(back, 0, 0, back.Width, back.Height); |
||
598 | jG.DrawImage(front, 0, 0, back.Width, back.Height); |
||
599 | |||
600 | return joint; |
||
601 | } |
||
602 | |||
603 | private void SetAlpha(ref Bitmap b, byte alpha) |
||
604 | { |
||
605 | for (int w = 0; w < b.Width; w++) |
||
606 | { |
||
607 | for (int h = 0; h < b.Height; h++) |
||
608 | { |
||
609 | b.SetPixel(w, h, Color.FromArgb(alpha, b.GetPixel(w, h))); |
||
610 | } |
||
611 | } |
||
612 | } |
||
613 | } |
||
614 | |||
615 | #endregion |
||
616 | } |
||
617 | } |