opensim – Blame information for rev 1
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1 | eva | 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 | |||
31 | using OpenMetaverse; |
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32 | using Mono.Addins; |
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33 | |||
34 | using OpenSim.Region.Framework.Interfaces; |
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35 | |||
36 | namespace OpenSim.Region.CoreModules.World.Wind.Plugins |
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37 | { |
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38 | [Extension(Path = "/OpenSim/WindModule", NodeName = "WindModel", Id = "SimpleRandomWind")] |
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39 | class SimpleRandomWind : Mono.Addins.TypeExtensionNode, IWindModelPlugin |
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40 | { |
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41 | private Vector2[] m_windSpeeds = new Vector2[16 * 16]; |
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42 | private float m_strength = 1.0f; |
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43 | private Random m_rndnums = new Random(Environment.TickCount); |
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44 | |||
45 | #region IPlugin Members |
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46 | |||
47 | public string Version |
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48 | { |
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49 | get { return "1.0.0.0"; } |
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50 | } |
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51 | |||
52 | public string Name |
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53 | { |
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54 | get { return "SimpleRandomWind"; } |
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55 | } |
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56 | |||
57 | public void Initialise() |
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58 | { |
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59 | } |
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60 | |||
61 | #endregion |
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62 | |||
63 | #region IDisposable Members |
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64 | |||
65 | public void Dispose() |
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66 | { |
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67 | m_windSpeeds = null; |
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68 | } |
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69 | |||
70 | #endregion |
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71 | |||
72 | #region IWindModelPlugin Members |
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73 | |||
74 | public void WindConfig(OpenSim.Region.Framework.Scenes.Scene scene, Nini.Config.IConfig windConfig) |
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75 | { |
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76 | if (windConfig != null) |
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77 | { |
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78 | if (windConfig.Contains("strength")) |
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79 | { |
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80 | m_strength = windConfig.GetFloat("strength", 1.0F); |
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81 | } |
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82 | } |
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83 | } |
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84 | |||
85 | public void WindUpdate(uint frame) |
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86 | { |
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87 | //Make sure our object is valid (we haven't been disposed of yet) |
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88 | if (m_windSpeeds != null) |
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89 | { |
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90 | for (int y = 0; y < 16; y++) |
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91 | { |
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92 | for (int x = 0; x < 16; x++) |
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93 | { |
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94 | m_windSpeeds[y * 16 + x].X = (float)(m_rndnums.NextDouble() * 2d - 1d); // -1 to 1 |
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95 | m_windSpeeds[y * 16 + x].Y = (float)(m_rndnums.NextDouble() * 2d - 1d); // -1 to 1 |
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96 | m_windSpeeds[y * 16 + x].X *= m_strength; |
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97 | m_windSpeeds[y * 16 + x].Y *= m_strength; |
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98 | } |
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99 | } |
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100 | } |
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101 | } |
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102 | |||
103 | public Vector3 WindSpeed(float fX, float fY, float fZ) |
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104 | { |
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105 | Vector3 windVector = new Vector3(0.0f, 0.0f, 0.0f); |
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106 | |||
107 | int x = (int)fX / 16; |
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108 | int y = (int)fY / 16; |
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109 | |||
110 | if (x < 0) x = 0; |
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111 | if (x > 15) x = 15; |
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112 | if (y < 0) y = 0; |
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113 | if (y > 15) y = 15; |
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114 | |||
115 | if (m_windSpeeds != null) |
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116 | { |
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117 | windVector.X = m_windSpeeds[y * 16 + x].X; |
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118 | windVector.Y = m_windSpeeds[y * 16 + x].Y; |
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119 | } |
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120 | |||
121 | return windVector; |
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122 | } |
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123 | |||
124 | public Vector2[] WindLLClientArray() |
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125 | { |
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126 | return m_windSpeeds; |
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127 | } |
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128 | |||
129 | public string Description |
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130 | { |
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131 | get |
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132 | { |
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133 | return "Provides a simple wind model that creates random wind of a given strength in 16m x 16m patches."; |
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134 | } |
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135 | } |
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136 | |||
137 | public System.Collections.Generic.Dictionary<string, string> WindParams() |
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138 | { |
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139 | Dictionary<string, string> Params = new Dictionary<string, string>(); |
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140 | |||
141 | Params.Add("strength", "wind strength"); |
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142 | |||
143 | return Params; |
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144 | } |
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145 | |||
146 | public void WindParamSet(string param, float value) |
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147 | { |
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148 | switch (param) |
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149 | { |
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150 | case "strength": |
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151 | m_strength = value; |
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152 | break; |
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153 | } |
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154 | } |
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155 | |||
156 | public float WindParamGet(string param) |
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157 | { |
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158 | switch (param) |
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159 | { |
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160 | case "strength": |
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161 | return m_strength; |
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162 | default: |
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163 | throw new Exception(String.Format("Unknown {0} parameter {1}", this.Name, param)); |
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164 | } |
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165 | } |
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166 | |||
167 | #endregion |
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168 | |||
169 | } |
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170 | } |