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authorRobert Adams2012-11-22 12:01:56 -0800
committerRobert Adams2012-11-25 20:04:26 -0800
commit4ae30873ad1c0d48b7e03047eafe5cd690bbe61c (patch)
tree0b72ed847334ef1567273375386cbb944f6e9faf /OpenSim/Region/Physics/BulletSPlugin/BSMaterials.cs
parentCombine TestDeleteSceneObjectAsync() with TestDeRezSceneObject() as they are ... (diff)
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BulletSim: Add tables and initialization for different attributes for different materials. For the moment, the per material tables are not used.
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-rwxr-xr-xOpenSim/Region/Physics/BulletSPlugin/BSMaterials.cs191
1 files changed, 191 insertions, 0 deletions
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSMaterials.cs b/OpenSim/Region/Physics/BulletSPlugin/BSMaterials.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyrightD
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27using System;
28using System.Collections.Generic;
29using System.Text;
30using System.Reflection;
31using Nini.Config;
32
33namespace OpenSim.Region.Physics.BulletSPlugin
34{
35
36public struct MaterialAttributes
37{
38 // Material type values that correspond with definitions for LSL
39 public enum Material : int
40 {
41 Stone = 0,
42 Metal,
43 Glass,
44 Wood,
45 Flesh,
46 Plastic,
47 Rubber,
48 Light,
49 // Hereafter are BulletSim additions
50 Avatar,
51 NumberOfTypes // the count of types in the enum.
52 }
53 // Names must be in the order of the above enum.
54 public static string[] MaterialNames = { "Stone", "Metal", "Glass", "Wood",
55 "Flesh", "Plastic", "Rubber", "Light", "Avatar" };
56 public static string[] MaterialAttribs = { "Density", "Friction", "Restitution",
57 "ccdMotionThreshold", "ccdSweptSphereRadius" };
58
59 public MaterialAttributes(string t, float d, float f, float r, float ccdM, float ccdS)
60 {
61 type = t;
62 density = d;
63 friction = f;
64 restitution = r;
65 ccdMotionThreshold = ccdM;
66 ccdSweptSphereRadius = ccdS;
67 }
68 public string type;
69 public float density;
70 public float friction;
71 public float restitution;
72 public float ccdMotionThreshold;
73 public float ccdSweptSphereRadius;
74}
75
76public static class BSMaterials
77{
78 public static MaterialAttributes[] Attributes;
79
80 static BSMaterials()
81 {
82 // Attribute sets for both the non-physical and physical instances of materials.
83 Attributes = new MaterialAttributes[(int)MaterialAttributes.Material.NumberOfTypes * 2];
84 }
85
86 // This is where all the default material attributes are defined.
87 public static void InitializeFromDefaults(ConfigurationParameters parms)
88 {
89 // public static string[] MaterialNames = { "Stone", "Metal", "Glass", "Wood",
90 // "Flesh", "Plastic", "Rubber", "Light", "Avatar" };
91 float dFriction = parms.defaultFriction;
92 float dRestitution = parms.defaultRestitution;
93 float dDensity = parms.defaultDensity;
94 float dCcdM = parms.ccdMotionThreshold;
95 float dCcdS = parms.ccdSweptSphereRadius;
96 Attributes[(int)MaterialAttributes.Material.Stone] =
97 new MaterialAttributes("stone",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
98 Attributes[(int)MaterialAttributes.Material.Metal] =
99 new MaterialAttributes("metal",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
100 Attributes[(int)MaterialAttributes.Material.Glass] =
101 new MaterialAttributes("glass",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
102 Attributes[(int)MaterialAttributes.Material.Wood] =
103 new MaterialAttributes("wood",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
104 Attributes[(int)MaterialAttributes.Material.Flesh] =
105 new MaterialAttributes("flesh",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
106 Attributes[(int)MaterialAttributes.Material.Plastic] =
107 new MaterialAttributes("plastic",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
108 Attributes[(int)MaterialAttributes.Material.Rubber] =
109 new MaterialAttributes("rubber",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
110 Attributes[(int)MaterialAttributes.Material.Light] =
111 new MaterialAttributes("light",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
112 Attributes[(int)MaterialAttributes.Material.Avatar] =
113 new MaterialAttributes("avatar",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
114
115 Attributes[(int)MaterialAttributes.Material.Stone + (int)MaterialAttributes.Material.NumberOfTypes] =
116 new MaterialAttributes("stonePhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
117 Attributes[(int)MaterialAttributes.Material.Metal + (int)MaterialAttributes.Material.NumberOfTypes] =
118 new MaterialAttributes("metalPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
119 Attributes[(int)MaterialAttributes.Material.Glass + (int)MaterialAttributes.Material.NumberOfTypes] =
120 new MaterialAttributes("glassPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
121 Attributes[(int)MaterialAttributes.Material.Wood + (int)MaterialAttributes.Material.NumberOfTypes] =
122 new MaterialAttributes("woodPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
123 Attributes[(int)MaterialAttributes.Material.Flesh + (int)MaterialAttributes.Material.NumberOfTypes] =
124 new MaterialAttributes("fleshPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
125 Attributes[(int)MaterialAttributes.Material.Plastic + (int)MaterialAttributes.Material.NumberOfTypes] =
126 new MaterialAttributes("plasticPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
127 Attributes[(int)MaterialAttributes.Material.Rubber + (int)MaterialAttributes.Material.NumberOfTypes] =
128 new MaterialAttributes("rubberPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
129 Attributes[(int)MaterialAttributes.Material.Light + (int)MaterialAttributes.Material.NumberOfTypes] =
130 new MaterialAttributes("lightPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
131 Attributes[(int)MaterialAttributes.Material.Avatar + (int)MaterialAttributes.Material.NumberOfTypes] =
132 new MaterialAttributes("avatarPhysical",dDensity,dFriction,dRestitution, dCcdM, dCcdS);
133 }
134
135 // Under the [BulletSim] section, one can change the individual material
136 // attribute values. The format of the configuration parameter is:
137 // <materialName><Attribute>["Physical"] = floatValue
138 // For instance:
139 // [BulletSim]
140 // StoneFriction = 0.2
141 // FleshRestitutionPhysical = 0.8
142 // Materials can have different parameters for their static and
143 // physical instantiations. When setting the non-physical value,
144 // both values are changed. Setting the physical value only changes
145 // the physical value.
146 public static void InitializefromParameters(IConfig pConfig)
147 {
148 int matType = 0;
149 foreach (string matName in MaterialAttributes.MaterialNames)
150 {
151 foreach (string attribName in MaterialAttributes.MaterialAttribs)
152 {
153 string paramName = matName + attribName;
154 if (pConfig.Contains(paramName))
155 {
156 float paramValue = pConfig.GetFloat(paramName);
157 SetAttributeValue(matType, attribName, paramValue);
158 // set the physical value also
159 SetAttributeValue(matType + (int)MaterialAttributes.Material.NumberOfTypes, attribName, paramValue);
160 }
161 paramName += "Physical";
162 if (pConfig.Contains(paramName))
163 {
164 float paramValue = pConfig.GetFloat(paramName);
165 SetAttributeValue(matType + (int)MaterialAttributes.Material.NumberOfTypes, attribName, paramValue);
166 }
167 }
168 matType++;
169 }
170 }
171
172 private static void SetAttributeValue(int matType, string attribName, float val)
173 {
174 MaterialAttributes thisAttrib = Attributes[matType];
175 FieldInfo fieldInfo = thisAttrib.GetType().GetField(attribName);
176 if (fieldInfo != null)
177 {
178 fieldInfo.SetValue(thisAttrib, val);
179 Attributes[matType] = thisAttrib;
180 }
181 }
182
183 public static MaterialAttributes GetAttributes(MaterialAttributes.Material type, bool isPhysical)
184 {
185 int ind = (int)type;
186 if (isPhysical) ind += (int)MaterialAttributes.Material.NumberOfTypes;
187 return Attributes[ind];
188 }
189
190}
191}
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