From 134f86e8d5c414409631b25b8c6f0ee45fbd8631 Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Thu, 3 Nov 2016 21:44:39 +1000 Subject: Initial update to OpenSim 0.8.2.1 source code. --- .../Region/PhysicsModules/BulletS/BSMaterials.cs | 203 +++++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100755 OpenSim/Region/PhysicsModules/BulletS/BSMaterials.cs (limited to 'OpenSim/Region/PhysicsModules/BulletS/BSMaterials.cs') diff --git a/OpenSim/Region/PhysicsModules/BulletS/BSMaterials.cs b/OpenSim/Region/PhysicsModules/BulletS/BSMaterials.cs new file mode 100755 index 0000000..0e44d03 --- /dev/null +++ b/OpenSim/Region/PhysicsModules/BulletS/BSMaterials.cs @@ -0,0 +1,203 @@ +/* + * 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 copyrightD + * 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 OpenSimulator 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 System.Text; +using System.Reflection; +using Nini.Config; + +namespace OpenSim.Region.PhysicsModule.BulletS +{ + +public struct MaterialAttributes +{ + // Material type values that correspond with definitions for LSL + public enum Material : int + { + Stone = 0, + Metal, + Glass, + Wood, + Flesh, + Plastic, + Rubber, + Light, + // Hereafter are BulletSim additions + Avatar, + NumberOfTypes // the count of types in the enum. + } + + // Names must be in the order of the above enum. + // These names must coorespond to the lower case field names in the MaterialAttributes + // structure as reflection is used to select the field to put the value in. + public static readonly string[] MaterialAttribs = { "Density", "Friction", "Restitution"}; + + public MaterialAttributes(string t, float d, float f, float r) + { + type = t; + density = d; + friction = f; + restitution = r; + } + public string type; + public float density; + public float friction; + public float restitution; +} + +public static class BSMaterials +{ + // Attributes for each material type + private static readonly MaterialAttributes[] Attributes; + + // Map of material name to material type code + public static readonly Dictionary MaterialMap; + + static BSMaterials() + { + // Attribute sets for both the non-physical and physical instances of materials. + Attributes = new MaterialAttributes[(int)MaterialAttributes.Material.NumberOfTypes * 2]; + + // Map of name to type code. + MaterialMap = new Dictionary(); + MaterialMap.Add("Stone", MaterialAttributes.Material.Stone); + MaterialMap.Add("Metal", MaterialAttributes.Material.Metal); + MaterialMap.Add("Glass", MaterialAttributes.Material.Glass); + MaterialMap.Add("Wood", MaterialAttributes.Material.Wood); + MaterialMap.Add("Flesh", MaterialAttributes.Material.Flesh); + MaterialMap.Add("Plastic", MaterialAttributes.Material.Plastic); + MaterialMap.Add("Rubber", MaterialAttributes.Material.Rubber); + MaterialMap.Add("Light", MaterialAttributes.Material.Light); + MaterialMap.Add("Avatar", MaterialAttributes.Material.Avatar); + } + + // This is where all the default material attributes are defined. + public static void InitializeFromDefaults(ConfigurationParameters parms) + { + // Values from http://wiki.secondlife.com/wiki/PRIM_MATERIAL + float dDensity = parms.defaultDensity; + float dFriction = parms.defaultFriction; + float dRestitution = parms.defaultRestitution; + Attributes[(int)MaterialAttributes.Material.Stone] = + new MaterialAttributes("stone",dDensity, 0.8f, 0.4f); + Attributes[(int)MaterialAttributes.Material.Metal] = + new MaterialAttributes("metal",dDensity, 0.3f, 0.4f); + Attributes[(int)MaterialAttributes.Material.Glass] = + new MaterialAttributes("glass",dDensity, 0.2f, 0.7f); + Attributes[(int)MaterialAttributes.Material.Wood] = + new MaterialAttributes("wood",dDensity, 0.6f, 0.5f); + Attributes[(int)MaterialAttributes.Material.Flesh] = + new MaterialAttributes("flesh",dDensity, 0.9f, 0.3f); + Attributes[(int)MaterialAttributes.Material.Plastic] = + new MaterialAttributes("plastic",dDensity, 0.4f, 0.7f); + Attributes[(int)MaterialAttributes.Material.Rubber] = + new MaterialAttributes("rubber",dDensity, 0.9f, 0.9f); + Attributes[(int)MaterialAttributes.Material.Light] = + new MaterialAttributes("light",dDensity, dFriction, dRestitution); + Attributes[(int)MaterialAttributes.Material.Avatar] = + new MaterialAttributes("avatar",3.5f, 0.2f, 0f); + + Attributes[(int)MaterialAttributes.Material.Stone + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("stonePhysical",dDensity, 0.8f, 0.4f); + Attributes[(int)MaterialAttributes.Material.Metal + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("metalPhysical",dDensity, 0.3f, 0.4f); + Attributes[(int)MaterialAttributes.Material.Glass + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("glassPhysical",dDensity, 0.2f, 0.7f); + Attributes[(int)MaterialAttributes.Material.Wood + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("woodPhysical",dDensity, 0.6f, 0.5f); + Attributes[(int)MaterialAttributes.Material.Flesh + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("fleshPhysical",dDensity, 0.9f, 0.3f); + Attributes[(int)MaterialAttributes.Material.Plastic + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("plasticPhysical",dDensity, 0.4f, 0.7f); + Attributes[(int)MaterialAttributes.Material.Rubber + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("rubberPhysical",dDensity, 0.9f, 0.9f); + Attributes[(int)MaterialAttributes.Material.Light + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("lightPhysical",dDensity, dFriction, dRestitution); + Attributes[(int)MaterialAttributes.Material.Avatar + (int)MaterialAttributes.Material.NumberOfTypes] = + new MaterialAttributes("avatarPhysical",3.5f, 0.2f, 0f); + } + + // Under the [BulletSim] section, one can change the individual material + // attribute values. The format of the configuration parameter is: + // ["Physical"] = floatValue + // For instance: + // [BulletSim] + // StoneFriction = 0.2 + // FleshRestitutionPhysical = 0.8 + // Materials can have different parameters for their static and + // physical instantiations. When setting the non-physical value, + // both values are changed. Setting the physical value only changes + // the physical value. + public static void InitializefromParameters(IConfig pConfig) + { + foreach (KeyValuePair kvp in MaterialMap) + { + string matName = kvp.Key; + foreach (string attribName in MaterialAttributes.MaterialAttribs) + { + string paramName = matName + attribName; + if (pConfig.Contains(paramName)) + { + float paramValue = pConfig.GetFloat(paramName); + SetAttributeValue((int)kvp.Value, attribName, paramValue); + // set the physical value also + SetAttributeValue((int)kvp.Value + (int)MaterialAttributes.Material.NumberOfTypes, attribName, paramValue); + } + paramName += "Physical"; + if (pConfig.Contains(paramName)) + { + float paramValue = pConfig.GetFloat(paramName); + SetAttributeValue((int)kvp.Value + (int)MaterialAttributes.Material.NumberOfTypes, attribName, paramValue); + } + } + } + } + + // Use reflection to set the value in the attribute structure. + private static void SetAttributeValue(int matType, string attribName, float val) + { + // Get the current attribute values for this material + MaterialAttributes thisAttrib = Attributes[matType]; + // Find the field for the passed attribute name (eg, find field named 'friction') + FieldInfo fieldInfo = thisAttrib.GetType().GetField(attribName.ToLower()); + if (fieldInfo != null) + { + fieldInfo.SetValue(thisAttrib, val); + // Copy new attributes back to array -- since MaterialAttributes is 'struct', passed by value, not reference. + Attributes[matType] = thisAttrib; + } + } + + // Given a material type, return a structure of attributes. + public static MaterialAttributes GetAttributes(MaterialAttributes.Material type, bool isPhysical) + { + int ind = (int)type; + if (isPhysical) ind += (int)MaterialAttributes.Material.NumberOfTypes; + return Attributes[ind]; + } +} +} -- cgit v1.1