290 lines
11 KiB
C#
290 lines
11 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using libsecondlife;
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using Nini.Config;
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using OpenJPEGNet;
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using OpenSim.Framework;
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using OpenSim.Region.Environment.Interfaces;
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using OpenSim.Region.Environment.Scenes;
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namespace OpenSim.Region.Environment.Modules.Scripting.DynamicTexture
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{
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public class DynamicTextureModule : IRegionModule, IDynamicTextureManager
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{
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private Dictionary<LLUUID, Scene> RegisteredScenes = new Dictionary<LLUUID, Scene>();
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private Dictionary<string, IDynamicTextureRender> RenderPlugins =
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new Dictionary<string, IDynamicTextureRender>();
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private Dictionary<LLUUID, DynamicTextureUpdater> Updaters = new Dictionary<LLUUID, DynamicTextureUpdater>();
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#region IDynamicTextureManager Members
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public void RegisterRender(string handleType, IDynamicTextureRender render)
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{
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if (!RenderPlugins.ContainsKey(handleType))
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{
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RenderPlugins.Add(handleType, render);
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}
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}
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/// <summary>
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/// Called by code which actually renders the dynamic texture to supply texture data.
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/// </summary>
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/// <param name="id"></param>
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/// <param name="data"></param>
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public void ReturnData(LLUUID id, byte[] data)
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{
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if (Updaters.ContainsKey(id))
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{
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DynamicTextureUpdater updater = Updaters[id];
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if (RegisteredScenes.ContainsKey(updater.SimUUID))
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{
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Scene scene = RegisteredScenes[updater.SimUUID];
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updater.DataReceived(data, scene);
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}
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}
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}
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public LLUUID AddDynamicTextureURL(LLUUID simID, LLUUID primID, string contentType, string url,
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string extraParams, int updateTimer)
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{
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return AddDynamicTextureURL(simID, primID, contentType, url, extraParams, updateTimer, false, 255);
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}
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public LLUUID AddDynamicTextureURL(LLUUID simID, LLUUID primID, string contentType, string url,
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string extraParams, int updateTimer, bool SetBlending, byte AlphaValue)
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{
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if (RenderPlugins.ContainsKey(contentType))
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{
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//Console.WriteLine("dynamic texture being created: " + url + " of type " + contentType);
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DynamicTextureUpdater updater = new DynamicTextureUpdater();
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updater.SimUUID = simID;
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updater.PrimID = primID;
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updater.ContentType = contentType;
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updater.Url = url;
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updater.UpdateTimer = updateTimer;
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updater.UpdaterID = LLUUID.Random();
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updater.Params = extraParams;
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updater.BlendWithOldTexture = SetBlending;
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updater.FrontAlpha = AlphaValue;
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if (!Updaters.ContainsKey(updater.UpdaterID))
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{
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Updaters.Add(updater.UpdaterID, updater);
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}
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RenderPlugins[contentType].AsyncConvertUrl(updater.UpdaterID, url, extraParams);
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return updater.UpdaterID;
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}
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return LLUUID.Zero;
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}
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public LLUUID AddDynamicTextureData(LLUUID simID, LLUUID primID, string contentType, string data,
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string extraParams, int updateTimer)
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{
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return AddDynamicTextureData(simID, primID, contentType, data, extraParams, updateTimer, false, 255);
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}
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public LLUUID AddDynamicTextureData(LLUUID simID, LLUUID primID, string contentType, string data,
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string extraParams, int updateTimer, bool SetBlending, byte AlphaValue)
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{
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if (RenderPlugins.ContainsKey(contentType))
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{
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DynamicTextureUpdater updater = new DynamicTextureUpdater();
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updater.SimUUID = simID;
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updater.PrimID = primID;
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updater.ContentType = contentType;
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updater.BodyData = data;
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updater.UpdateTimer = updateTimer;
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updater.UpdaterID = LLUUID.Random();
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updater.Params = extraParams;
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updater.BlendWithOldTexture = SetBlending;
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updater.FrontAlpha = AlphaValue;
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if (!Updaters.ContainsKey(updater.UpdaterID))
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{
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Updaters.Add(updater.UpdaterID, updater);
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}
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RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
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return updater.UpdaterID;
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}
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return LLUUID.Zero;
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}
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#endregion
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#region IRegionModule Members
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public void Initialise(Scene scene, IConfigSource config)
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{
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if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID))
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{
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RegisteredScenes.Add(scene.RegionInfo.RegionID, scene);
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scene.RegisterModuleInterface<IDynamicTextureManager>(this);
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}
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}
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public void PostInitialise()
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{
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}
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public void Close()
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{
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}
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public string Name
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{
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get { return "DynamicTextureModule"; }
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}
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public bool IsSharedModule
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{
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get { return true; }
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}
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#endregion
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#region Nested type: DynamicTextureUpdater
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public class DynamicTextureUpdater
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{
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public bool BlendWithOldTexture = false;
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public string BodyData;
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public string ContentType;
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public byte FrontAlpha = 255;
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public LLUUID LastAssetID;
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public string Params;
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public LLUUID PrimID;
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public bool SetNewFrontAlpha = false;
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public LLUUID SimUUID;
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public LLUUID UpdaterID;
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public int UpdateTimer;
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public string Url;
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public DynamicTextureUpdater()
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{
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LastAssetID = LLUUID.Zero;
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UpdateTimer = 0;
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BodyData = null;
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}
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/// <summary>
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/// Called once new texture data has been received for this updater.
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/// </summary>
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public void DataReceived(byte[] data, Scene scene)
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{
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SceneObjectPart part = scene.GetSceneObjectPart(PrimID);
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byte[] assetData;
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AssetBase oldAsset = null;
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if (BlendWithOldTexture)
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{
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LLUUID lastTextureID = part.Shape.Textures.DefaultTexture.TextureID;
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oldAsset = scene.AssetCache.GetAsset(lastTextureID, true);
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if (oldAsset != null)
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{
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assetData = BlendTextures(data, oldAsset.Data, SetNewFrontAlpha, FrontAlpha);
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}
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else
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{
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assetData = new byte[data.Length];
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Array.Copy(data, assetData, data.Length);
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}
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}
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else
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{
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assetData = new byte[data.Length];
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Array.Copy(data, assetData, data.Length);
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}
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//TODO delete the last asset(data), if it was a dynamic texture
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AssetBase asset = new AssetBase();
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asset.FullID = LLUUID.Random();
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asset.Data = assetData;
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asset.Name = "DynamicImage" + Util.RandomClass.Next(1, 10000);
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asset.Type = 0;
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asset.Description = "dynamic image";
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asset.Local = false;
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asset.Temporary = true;
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scene.AssetCache.AddAsset(asset);
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LastAssetID = asset.FullID;
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part.Shape.Textures = new LLObject.TextureEntry(asset.FullID);
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part.ScheduleFullUpdate();
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}
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private byte[] BlendTextures(byte[] frontImage, byte[] backImage, bool setNewAlpha, byte newAlpha)
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{
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Bitmap image1 = new Bitmap(OpenJPEG.DecodeToImage(frontImage));
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Bitmap image2 = new Bitmap(OpenJPEG.DecodeToImage(backImage));
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if (setNewAlpha)
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{
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SetAlpha(ref image1, newAlpha);
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}
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Bitmap joint = MergeBitMaps(image1, image2);
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return OpenJPEG.EncodeFromImage(joint, true);
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}
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public Bitmap MergeBitMaps(Bitmap front, Bitmap back)
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{
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Bitmap joint;
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Graphics jG;
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joint = new Bitmap(back.Width, back.Height, PixelFormat.Format32bppArgb);
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jG = Graphics.FromImage(joint);
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jG.DrawImage(back, 0, 0, back.Width, back.Height);
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jG.DrawImage(front, 0, 0, back.Width, back.Height);
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return joint;
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}
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private void SetAlpha(ref Bitmap b, byte alpha)
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{
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for (int w = 0; w < b.Width; w++)
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{
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for (int h = 0; h < b.Height; h++)
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{
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b.SetPixel(w, h, Color.FromArgb(alpha, b.GetPixel(w, h)));
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}
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}
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}
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}
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#endregion
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}
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} |