1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* 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 libsecondlife;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
namespace OpenSim.Region.Environment.Modules
{
public class SunModule : IRegionModule
{
//private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private const int m_default_frame = 100;
private const double m_real_day = 24.0;
private double m_day_length;
private int m_dilation;
private int m_frame;
private int m_frame_mod;
private Scene m_scene;
private long m_start;
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource config)
{
m_start = DateTime.Now.Ticks;
m_frame = 0;
// Just in case they don't have the stanzas
try
{
m_day_length = config.Configs["Sun"].GetDouble("day_length", m_real_day);
m_frame_mod = config.Configs["Sun"].GetInt("frame_rate", m_default_frame);
}
catch (Exception)
{
m_day_length = m_real_day;
m_frame_mod = m_default_frame;
}
m_dilation = (int) (m_real_day / m_day_length);
m_scene = scene;
scene.EventManager.OnFrame += SunUpdate;
scene.EventManager.OnNewClient += SunToClient;
}
public void PostInitialise()
{
}
public void Close()
{
}
public string Name
{
get { return "SunModule"; }
}
public bool IsSharedModule
{
get { return false; }
}
#endregion
public void SunToClient(IClientAPI client)
{
client.SendSunPos(SunPos(HourOfTheDay()), new LLVector3(0, 0.0f, 10.0f));
}
public void SunUpdate()
{
if (m_frame < m_frame_mod)
{
m_frame++;
return;
}
// m_log.InfoFormat("[SUN]: I've got an update {0} => {1}", m_scene.RegionsInfo.RegionName, HourOfTheDay());
List<ScenePresence> avatars = m_scene.GetAvatars();
foreach (ScenePresence avatar in avatars)
{
avatar.ControllingClient.SendSunPos(SunPos(HourOfTheDay()), new LLVector3(0, 0.0f, 10.0f));
}
// set estate settings for region access to sun position
m_scene.RegionInfo.EstateSettings.sunPosition = SunPos(HourOfTheDay());
m_frame = 0;
}
// Hour of the Day figures out the hour of the day as a float.
// The intent here is that we seed hour of the day with real
// time when the simulator starts, then run time forward
// faster based on time dilation factor. This means that
// ticks don't get out of hand
private double HourOfTheDay()
{
long m_addticks = (DateTime.Now.Ticks - m_start) * m_dilation;
DateTime dt = new DateTime(m_start + m_addticks);
return (double) dt.Hour + ((double) dt.Minute / 60.0);
}
private LLVector3 SunPos(double hour)
{
// now we have our radian position
double rad = (hour / m_real_day) * 2 * Math.PI - (Math.PI / 2.0);
double z = Math.Sin(rad);
double x = Math.Cos(rad);
return new LLVector3((float) x, 0f, (float) z);
}
// TODO: clear this out. This is here so that I remember to
// figure out if we need those other packet fields that I've
// left out so far
//
// public void SendViewerTime(int phase)
// {
// Console.WriteLine("SunPhase: {0}", phase);
// SimulatorViewerTimeMessagePacket viewertime = new SimulatorViewerTimeMessagePacket();
// //viewertime.TimeInfo.SecPerDay = 86400;
// // viewertime.TimeInfo.SecPerYear = 31536000;
// viewertime.TimeInfo.SecPerDay = 1000;
// viewertime.TimeInfo.SecPerYear = 365000;
// viewertime.TimeInfo.SunPhase = 1;
// int sunPhase = (phase + 2)/2;
// if ((sunPhase < 6) || (sunPhase > 36))
// {
// viewertime.TimeInfo.SunDirection = new LLVector3(0f, 0.8f, -0.8f);
// Console.WriteLine("sending night");
// }
// else
// {
// if (sunPhase < 12)
// {
// sunPhase = 12;
// }
// sunPhase = sunPhase - 12;
//
// float yValue = 0.1f*(sunPhase);
// Console.WriteLine("Computed SunPhase: {0}, yValue: {1}", sunPhase, yValue);
// if (yValue > 1.2f)
// {
// yValue = yValue - 1.2f;
// }
// if (yValue > 1)
// {
// yValue = 1;
// }
// if (yValue < 0)
// {
// yValue = 0;
// }
// if (sunPhase < 14)
// {
// yValue = 1 - yValue;
// }
// if (sunPhase < 12)
// {
// yValue *= -1;
// }
// viewertime.TimeInfo.SunDirection = new LLVector3(0f, yValue, 0.3f);
// Console.WriteLine("sending sun update " + yValue);
// }
// viewertime.TimeInfo.SunAngVelocity = new LLVector3(0, 0.0f, 10.0f);
// viewertime.TimeInfo.UsecSinceStart = (ulong) Util.UnixTimeSinceEpoch();
// // OutPacket(viewertime);
// }
}
}
|