From 8136cf4075216d09738b8707258581e6db755759 Mon Sep 17 00:00:00 2001 From: Homer Horwitz Date: Sat, 4 Apr 2009 15:43:02 +0000 Subject: Thanks jonc, for a patch that adds rendering of classic clouds. First part of Mantis #964, the necessary clouds image will follow separately. --- .../Region/CoreModules/World/Cloud/CloudModule.cs | 190 +++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 OpenSim/Region/CoreModules/World/Cloud/CloudModule.cs (limited to 'OpenSim/Region/CoreModules/World/Cloud') diff --git a/OpenSim/Region/CoreModules/World/Cloud/CloudModule.cs b/OpenSim/Region/CoreModules/World/Cloud/CloudModule.cs new file mode 100644 index 0000000..e164f08 --- /dev/null +++ b/OpenSim/Region/CoreModules/World/Cloud/CloudModule.cs @@ -0,0 +1,190 @@ +/* + * 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.Generic; +using Nini.Config; +using OpenMetaverse; +using OpenSim.Framework; +using OpenSim.Region.Framework.Interfaces; +using OpenSim.Region.Framework.Scenes; + +namespace OpenSim.Region.CoreModules +{ + public class CloudModule : ICloudModule + { + private static readonly log4net.ILog m_log + = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); + + private Random m_rndnums = new Random(Environment.TickCount); + private Scene m_scene = null; + private bool m_ready = false; + private bool m_enabled = false; + private float m_cloudDensity = 1.0F; + private float[] cloudCover = new float[16 * 16]; + + private Dictionary m_rootAgents = new Dictionary(); + + public void Initialise(Scene scene, IConfigSource config) + { + IConfig cloudConfig = config.Configs["Cloud"]; + + if (cloudConfig != null) + { + m_enabled = cloudConfig.GetBoolean("enabled", false); + m_cloudDensity = cloudConfig.GetFloat("density", 0.5F); + } + + if (m_enabled) + { + + m_scene = scene; + + scene.EventManager.OnMakeChildAgent += MakeChildAgent; + scene.EventManager.OnAvatarEnteringNewParcel += AvatarEnteringParcel; + scene.EventManager.OnClientClosed += ClientLoggedOut; + scene.RegisterModuleInterface(this); + + GenerateCloudCover(); + + m_ready = true; + + } + + } + + public void PostInitialise() + { + } + + public void Close() + { + if (m_enabled) + { + m_ready = false; + // Remove our hooks + m_scene.EventManager.OnMakeChildAgent -= MakeChildAgent; + m_scene.EventManager.OnAvatarEnteringNewParcel -= AvatarEnteringParcel; + m_scene.EventManager.OnClientClosed -= ClientLoggedOut; + } + } + + public string Name + { + get { return "CloudModule"; } + } + + public bool IsSharedModule + { + get { return false; } + } + + + public float CloudCover(int x, int y, int z) + { + float cover = 0f; + x /= 16; + y /= 16; + if (x < 0) x = 0; + if (x > 15) x = 15; + if (y < 0) y = 0; + if (y > 15) y = 15; + + if (cloudCover != null) + { + cover = cloudCover[y * 16 + x]; + } + + return cover; + } + + public void CloudsToClient(IClientAPI client) + { + if (m_ready) + { + client.SendCloudData(cloudCover); + } + } + + + /// + /// Calculate the cloud cover over the region. + /// + private void GenerateCloudCover() + { + for (int y = 0; y < 16; y++) + { + for (int x = 0; x < 16; x++) + { + cloudCover[y * 16 + x] = (float)(m_rndnums.NextDouble()); // 0 to 1 + cloudCover[y * 16 + x] *= m_cloudDensity; + } + } + } + + private void ClientLoggedOut(UUID AgentId) + { + lock (m_rootAgents) + { + if (m_rootAgents.ContainsKey(AgentId)) + { + m_rootAgents.Remove(AgentId); + } + } + } + + private void AvatarEnteringParcel(ScenePresence avatar, int localLandID, UUID regionID) + { + lock (m_rootAgents) + { + if (m_rootAgents.ContainsKey(avatar.UUID)) + { + m_rootAgents[avatar.UUID] = avatar.RegionHandle; + } + else + { + m_rootAgents.Add(avatar.UUID, avatar.RegionHandle); + CloudsToClient(avatar.ControllingClient); + } + } + } + + private void MakeChildAgent(ScenePresence avatar) + { + lock (m_rootAgents) + { + if (m_rootAgents.ContainsKey(avatar.UUID)) + { + if (m_rootAgents[avatar.UUID] == avatar.RegionHandle) + { + m_rootAgents.Remove(avatar.UUID); + } + } + } + } + } +} -- cgit v1.1