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Thanks jonc, for a patch that adds rendering of classic clouds.

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First part of Mantis #964, the necessary clouds image will follow separately.
This commit is contained in:
Homer Horwitz
2009-04-04 15:43:02 +00:00
parent 7acec9860d
commit 8136cf4075
10 changed files with 295 additions and 5 deletions
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190
OpenSim/Region/CoreModules/World/Cloud/CloudModule.cs Normal file
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/*
* 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<UUID, ulong> m_rootAgents = new Dictionary<UUID, ulong>();
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<ICloudModule>(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);
}
}
/// <summary>
/// Calculate the cloud cover over the region.
/// </summary>
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);
}
}
}
}
}
}