/* * 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 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 OpenMetaverse; using OpenSim.Framework; using OpenSim.Region.Physics.Manager; using System.Xml; using OpenSim.Framework.Serialization; using OpenSim.Framework.Serialization.External; using OpenSim.Region.Framework.Scenes.Serialization; namespace OpenSim.Region.Framework.Scenes { public class SOGVehicle { public Vehicle Type { get { return vd.m_type; } } public VehicleData vd; /* private Vehicle m_type = Vehicle.TYPE_NONE; // If a 'VEHICLE', and what kind private VehicleFlag m_flags = (VehicleFlag)0; // Linear properties private Vector3 m_linearMotorDirection = Vector3.Zero; // velocity requested by LSL, decayed by time private Vector3 m_linearFrictionTimescale = new Vector3(1000, 1000, 1000); private float m_linearMotorDecayTimescale = 120; private float m_linearMotorTimescale = 1000; private Vector3 m_linearMotorOffset = Vector3.Zero; //Angular properties private Vector3 m_angularMotorDirection = Vector3.Zero; // angular velocity requested by LSL motor private float m_angularMotorTimescale = 1000; // motor angular velocity ramp up rate private float m_angularMotorDecayTimescale = 120; // motor angular velocity decay rate private Vector3 m_angularFrictionTimescale = new Vector3(1000, 1000, 1000); // body angular velocity decay rate //Deflection properties private float m_angularDeflectionEfficiency = 0; private float m_angularDeflectionTimescale = 1000; private float m_linearDeflectionEfficiency = 0; private float m_linearDeflectionTimescale = 1000; //Banking properties private float m_bankingEfficiency = 0; private float m_bankingMix = 0; private float m_bankingTimescale = 0; //Hover and Buoyancy properties private float m_VhoverHeight = 0f; private float m_VhoverEfficiency = 0f; private float m_VhoverTimescale = 1000f; private float m_VehicleBuoyancy = 0f; //Attractor properties private float m_verticalAttractionEfficiency = 1.0f; // damped private float m_verticalAttractionTimescale = 1000f; // Timescale > 300 means no vert attractor. // Axis public Quaternion m_referenceFrame = Quaternion.Identity; */ public SOGVehicle() { vd = new VehicleData(); ProcessTypeChange(Vehicle.TYPE_NONE); // is needed? } public void ProcessFloatVehicleParam(Vehicle pParam, float pValue) { float len; float timestep = 0.01f; switch (pParam) { case Vehicle.ANGULAR_DEFLECTION_EFFICIENCY: if (pValue < 0f) pValue = 0f; if (pValue > 1f) pValue = 1f; vd.m_angularDeflectionEfficiency = pValue; break; case Vehicle.ANGULAR_DEFLECTION_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_angularDeflectionTimescale = pValue; break; case Vehicle.ANGULAR_MOTOR_DECAY_TIMESCALE: if (pValue < timestep) pValue = timestep; else if (pValue > 120) pValue = 120; vd.m_angularMotorDecayTimescale = pValue; break; case Vehicle.ANGULAR_MOTOR_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_angularMotorTimescale = pValue; break; case Vehicle.BANKING_EFFICIENCY: if (pValue < -1f) pValue = -1f; if (pValue > 1f) pValue = 1f; vd.m_bankingEfficiency = pValue; break; case Vehicle.BANKING_MIX: if (pValue < 0f) pValue = 0f; if (pValue > 1f) pValue = 1f; vd.m_bankingMix = pValue; break; case Vehicle.BANKING_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_bankingTimescale = pValue; break; case Vehicle.BUOYANCY: if (pValue < -1f) pValue = -1f; if (pValue > 1f) pValue = 1f; vd.m_VehicleBuoyancy = pValue; break; case Vehicle.HOVER_EFFICIENCY: if (pValue < 0f) pValue = 0f; if (pValue > 1f) pValue = 1f; vd.m_VhoverEfficiency = pValue; break; case Vehicle.HOVER_HEIGHT: vd.m_VhoverHeight = pValue; break; case Vehicle.HOVER_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_VhoverTimescale = pValue; break; case Vehicle.LINEAR_DEFLECTION_EFFICIENCY: if (pValue < 0f) pValue = 0f; if (pValue > 1f) pValue = 1f; vd.m_linearDeflectionEfficiency = pValue; break; case Vehicle.LINEAR_DEFLECTION_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_linearDeflectionTimescale = pValue; break; case Vehicle.LINEAR_MOTOR_DECAY_TIMESCALE: // if (pValue < timestep) pValue = timestep; // try to make impulses to work a bit better if (pValue < timestep) pValue = timestep; else if (pValue > 120) pValue = 120; vd.m_linearMotorDecayTimescale = pValue; break; case Vehicle.LINEAR_MOTOR_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_linearMotorTimescale = pValue; break; case Vehicle.VERTICAL_ATTRACTION_EFFICIENCY: if (pValue < 0f) pValue = 0f; if (pValue > 1f) pValue = 1f; vd.m_verticalAttractionEfficiency = pValue; break; case Vehicle.VERTICAL_ATTRACTION_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_verticalAttractionTimescale = pValue; break; // These are vector properties but the engine lets you use a single float value to // set all of the components to the same value case Vehicle.ANGULAR_FRICTION_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_angularFrictionTimescale = new Vector3(pValue, pValue, pValue); break; case Vehicle.ANGULAR_MOTOR_DIRECTION: vd.m_angularMotorDirection = new Vector3(pValue, pValue, pValue); len = vd.m_angularMotorDirection.Length(); if (len > 12.566f) vd.m_angularMotorDirection *= (12.566f / len); break; case Vehicle.LINEAR_FRICTION_TIMESCALE: if (pValue < timestep) pValue = timestep; vd.m_linearFrictionTimescale = new Vector3(pValue, pValue, pValue); break; case Vehicle.LINEAR_MOTOR_DIRECTION: vd.m_linearMotorDirection = new Vector3(pValue, pValue, pValue); len = vd.m_linearMotorDirection.Length(); if (len > 30.0f) vd.m_linearMotorDirection *= (30.0f / len); break; case Vehicle.LINEAR_MOTOR_OFFSET: vd.m_linearMotorOffset = new Vector3(pValue, pValue, pValue); len = vd.m_linearMotorOffset.Length(); if (len > 100.0f) vd.m_linearMotorOffset *= (100.0f / len); break; } }//end ProcessFloatVehicleParam public void ProcessVectorVehicleParam(Vehicle pParam, Vector3 pValue) { float len; float timestep = 0.01f; switch (pParam) { case Vehicle.ANGULAR_FRICTION_TIMESCALE: if (pValue.X < timestep) pValue.X = timestep; if (pValue.Y < timestep) pValue.Y = timestep; if (pValue.Z < timestep) pValue.Z = timestep; vd.m_angularFrictionTimescale = new Vector3(pValue.X, pValue.Y, pValue.Z); break; case Vehicle.ANGULAR_MOTOR_DIRECTION: vd.m_angularMotorDirection = new Vector3(pValue.X, pValue.Y, pValue.Z); // Limit requested angular speed to 2 rps= 4 pi rads/sec len = vd.m_angularMotorDirection.Length(); if (len > 12.566f) vd.m_angularMotorDirection *= (12.566f / len); break; case Vehicle.LINEAR_FRICTION_TIMESCALE: if (pValue.X < timestep) pValue.X = timestep; if (pValue.Y < timestep) pValue.Y = timestep; if (pValue.Z < timestep) pValue.Z = timestep; vd.m_linearFrictionTimescale = new Vector3(pValue.X, pValue.Y, pValue.Z); break; case Vehicle.LINEAR_MOTOR_DIRECTION: vd.m_linearMotorDirection = new Vector3(pValue.X, pValue.Y, pValue.Z); len = vd.m_linearMotorDirection.Length(); if (len > 30.0f) vd.m_linearMotorDirection *= (30.0f / len); break; case Vehicle.LINEAR_MOTOR_OFFSET: vd.m_linearMotorOffset = new Vector3(pValue.X, pValue.Y, pValue.Z); len = vd.m_linearMotorOffset.Length(); if (len > 100.0f) vd.m_linearMotorOffset *= (100.0f / len); break; } }//end ProcessVectorVehicleParam public void ProcessRotationVehicleParam(Vehicle pParam, Quaternion pValue) { switch (pParam) { case Vehicle.REFERENCE_FRAME: vd.m_referenceFrame = Quaternion.Inverse(pValue); break; } }//end ProcessRotationVehicleParam public void ProcessVehicleFlags(int pParam, bool remove) { if (remove) { vd.m_flags &= ~((VehicleFlag)pParam); } else { vd.m_flags |= (VehicleFlag)pParam; } }//end ProcessVehicleFlags public void ProcessTypeChange(Vehicle pType) { vd.m_linearMotorDirection = Vector3.Zero; vd.m_angularMotorDirection = Vector3.Zero; vd.m_linearMotorOffset = Vector3.Zero; vd.m_referenceFrame = Quaternion.Identity; // Set Defaults For Type vd.m_type = pType; switch (pType) { case Vehicle.TYPE_NONE: // none sense this will never exist vd.m_linearFrictionTimescale = new Vector3(1000, 1000, 1000); vd.m_angularFrictionTimescale = new Vector3(1000, 1000, 1000); vd.m_linearMotorTimescale = 1000; vd.m_linearMotorDecayTimescale = 120; vd.m_angularMotorTimescale = 1000; vd.m_angularMotorDecayTimescale = 1000; vd.m_VhoverHeight = 0; vd.m_VhoverTimescale = 1000; vd.m_VehicleBuoyancy = 0; vd.m_flags = (VehicleFlag)0; break; case Vehicle.TYPE_SLED: vd.m_linearFrictionTimescale = new Vector3(30, 1, 1000); vd.m_angularFrictionTimescale = new Vector3(1000, 1000, 1000); vd.m_linearMotorTimescale = 1000; vd.m_linearMotorDecayTimescale = 120; vd.m_angularMotorTimescale = 1000; vd.m_angularMotorDecayTimescale = 120; vd.m_VhoverHeight = 0; vd.m_VhoverEfficiency = 1; vd.m_VhoverTimescale = 10; vd.m_VehicleBuoyancy = 0; vd.m_linearDeflectionEfficiency = 1; vd.m_linearDeflectionTimescale = 1; vd.m_angularDeflectionEfficiency = 0; vd.m_angularDeflectionTimescale = 1000; vd.m_bankingEfficiency = 0; vd.m_bankingMix = 1; vd.m_bankingTimescale = 10; vd.m_flags &= ~(VehicleFlag.HOVER_WATER_ONLY | VehicleFlag.HOVER_TERRAIN_ONLY | VehicleFlag.HOVER_GLOBAL_HEIGHT | VehicleFlag.HOVER_UP_ONLY); vd.m_flags |= (VehicleFlag.NO_DEFLECTION_UP | VehicleFlag.LIMIT_ROLL_ONLY | VehicleFlag.LIMIT_MOTOR_UP); break; case Vehicle.TYPE_CAR: vd.m_linearFrictionTimescale = new Vector3(100, 2, 1000); vd.m_angularFrictionTimescale = new Vector3(1000, 1000, 1000); vd.m_linearMotorTimescale = 1; vd.m_linearMotorDecayTimescale = 60; vd.m_angularMotorTimescale = 1; vd.m_angularMotorDecayTimescale = 0.8f; vd.m_VhoverHeight = 0; vd.m_VhoverEfficiency = 0; vd.m_VhoverTimescale = 1000; vd.m_VehicleBuoyancy = 0; vd.m_linearDeflectionEfficiency = 1; vd.m_linearDeflectionTimescale = 2; vd.m_angularDeflectionEfficiency = 0; vd.m_angularDeflectionTimescale = 10; vd.m_verticalAttractionEfficiency = 1f; vd.m_verticalAttractionTimescale = 10f; vd.m_bankingEfficiency = -0.2f; vd.m_bankingMix = 1; vd.m_bankingTimescale = 1; vd.m_flags &= ~(VehicleFlag.HOVER_WATER_ONLY | VehicleFlag.HOVER_TERRAIN_ONLY | VehicleFlag.HOVER_GLOBAL_HEIGHT); vd.m_flags |= (VehicleFlag.NO_DEFLECTION_UP | VehicleFlag.LIMIT_ROLL_ONLY | VehicleFlag.LIMIT_MOTOR_UP | VehicleFlag.HOVER_UP_ONLY); break; case Vehicle.TYPE_BOAT: vd.m_linearFrictionTimescale = new Vector3(10, 3, 2); vd.m_angularFrictionTimescale = new Vector3(10, 10, 10); vd.m_linearMotorTimescale = 5; vd.m_linearMotorDecayTimescale = 60; vd.m_angularMotorTimescale = 4; vd.m_angularMotorDecayTimescale = 4; vd.m_VhoverHeight = 0; vd.m_VhoverEfficiency = 0.5f; vd.m_VhoverTimescale = 2; vd.m_VehicleBuoyancy = 1; vd.m_linearDeflectionEfficiency = 0.5f; vd.m_linearDeflectionTimescale = 3; vd.m_angularDeflectionEfficiency = 0.5f; vd.m_angularDeflectionTimescale = 5; vd.m_verticalAttractionEfficiency = 0.5f; vd.m_verticalAttractionTimescale = 5f; vd.m_bankingEfficiency = -0.3f; vd.m_bankingMix = 0.8f; vd.m_bankingTimescale = 1; vd.m_flags &= ~(VehicleFlag.HOVER_TERRAIN_ONLY | VehicleFlag.HOVER_GLOBAL_HEIGHT | VehicleFlag.HOVER_UP_ONLY | VehicleFlag.LIMIT_ROLL_ONLY); vd.m_flags |= (VehicleFlag.NO_DEFLECTION_UP | VehicleFlag.LIMIT_MOTOR_UP | VehicleFlag.HOVER_WATER_ONLY); break; case Vehicle.TYPE_AIRPLANE: vd.m_linearFrictionTimescale = new Vector3(200, 10, 5); vd.m_angularFrictionTimescale = new Vector3(20, 20, 20); vd.m_linearMotorTimescale = 2; vd.m_linearMotorDecayTimescale = 60; vd.m_angularMotorTimescale = 4; vd.m_angularMotorDecayTimescale = 8; vd.m_VhoverHeight = 0; vd.m_VhoverEfficiency = 0.5f; vd.m_VhoverTimescale = 1000; vd.m_VehicleBuoyancy = 0; vd.m_linearDeflectionEfficiency = 0.5f; vd.m_linearDeflectionTimescale = 0.5f; vd.m_angularDeflectionEfficiency = 1; vd.m_angularDeflectionTimescale = 2; vd.m_verticalAttractionEfficiency = 0.9f; vd.m_verticalAttractionTimescale = 2f; vd.m_bankingEfficiency = 1; vd.m_bankingMix = 0.7f; vd.m_bankingTimescale = 2; vd.m_flags &= ~(VehicleFlag.HOVER_WATER_ONLY | VehicleFlag.HOVER_TERRAIN_ONLY | VehicleFlag.HOVER_GLOBAL_HEIGHT | VehicleFlag.HOVER_UP_ONLY | VehicleFlag.NO_DEFLECTION_UP | VehicleFlag.LIMIT_MOTOR_UP); vd.m_flags |= (VehicleFlag.LIMIT_ROLL_ONLY); break; case Vehicle.TYPE_BALLOON: vd.m_linearFrictionTimescale = new Vector3(5, 5, 5); vd.m_angularFrictionTimescale = new Vector3(10, 10, 10); vd.m_linearMotorTimescale = 5; vd.m_linearMotorDecayTimescale = 60; vd.m_angularMotorTimescale = 6; vd.m_angularMotorDecayTimescale = 10; vd.m_VhoverHeight = 5; vd.m_VhoverEfficiency = 0.8f; vd.m_VhoverTimescale = 10; vd.m_VehicleBuoyancy = 1; vd.m_linearDeflectionEfficiency = 0; vd.m_linearDeflectionTimescale = 5; vd.m_angularDeflectionEfficiency = 0; vd.m_angularDeflectionTimescale = 5; vd.m_verticalAttractionEfficiency = 0f; vd.m_verticalAttractionTimescale = 1000f; vd.m_bankingEfficiency = 0; vd.m_bankingMix = 0.7f; vd.m_bankingTimescale = 5; vd.m_flags &= ~(VehicleFlag.HOVER_WATER_ONLY | VehicleFlag.HOVER_TERRAIN_ONLY | VehicleFlag.HOVER_UP_ONLY | VehicleFlag.NO_DEFLECTION_UP | VehicleFlag.LIMIT_MOTOR_UP); vd.m_flags |= (VehicleFlag.LIMIT_ROLL_ONLY | VehicleFlag.HOVER_GLOBAL_HEIGHT); break; } } public void SetVehicle(PhysicsActor ph) { // crap crap crap if (ph == null) // what ?? return; ph.SetVehicle(vd); /* ph.VehicleType = (int)m_type; // Linear properties ph.VehicleVectorParam((int)Vehicle.LINEAR_MOTOR_DIRECTION, m_linearMotorDirection); ph.VehicleVectorParam((int)Vehicle.LINEAR_FRICTION_TIMESCALE, m_linearFrictionTimescale); ph.VehicleFloatParam((int)Vehicle.LINEAR_MOTOR_DECAY_TIMESCALE, m_linearMotorDecayTimescale); ph.VehicleFloatParam((int)Vehicle.LINEAR_MOTOR_TIMESCALE, m_linearMotorTimescale); ph.VehicleVectorParam((int)Vehicle.LINEAR_MOTOR_OFFSET, m_linearMotorOffset); //Angular properties ph.VehicleVectorParam((int)Vehicle.ANGULAR_MOTOR_DIRECTION, m_angularMotorDirection); ph.VehicleFloatParam((int)Vehicle.ANGULAR_MOTOR_TIMESCALE, m_angularMotorTimescale); ph.VehicleFloatParam((int)Vehicle.ANGULAR_MOTOR_DECAY_TIMESCALE, m_angularMotorDecayTimescale); ph.VehicleVectorParam((int)Vehicle.ANGULAR_FRICTION_TIMESCALE, m_angularFrictionTimescale); //Deflection properties ph.VehicleFloatParam((int)Vehicle.ANGULAR_DEFLECTION_EFFICIENCY, m_angularDeflectionEfficiency); ph.VehicleFloatParam((int)Vehicle.ANGULAR_DEFLECTION_TIMESCALE, m_angularDeflectionTimescale); ph.VehicleFloatParam((int)Vehicle.LINEAR_DEFLECTION_EFFICIENCY, m_linearDeflectionEfficiency); ph.VehicleFloatParam((int)Vehicle.LINEAR_DEFLECTION_TIMESCALE, m_linearDeflectionTimescale); //Banking properties ph.VehicleFloatParam((int)Vehicle.BANKING_EFFICIENCY, m_bankingEfficiency); ph.VehicleFloatParam((int)Vehicle.BANKING_MIX, m_bankingMix); ph.VehicleFloatParam((int)Vehicle.BANKING_TIMESCALE, m_bankingTimescale); //Hover and Buoyancy properties ph.VehicleFloatParam((int)Vehicle.HOVER_HEIGHT, m_VhoverHeight); ph.VehicleFloatParam((int)Vehicle.HOVER_EFFICIENCY, m_VhoverEfficiency); ph.VehicleFloatParam((int)Vehicle.HOVER_TIMESCALE, m_VhoverTimescale); ph.VehicleFloatParam((int)Vehicle.BUOYANCY, m_VehicleBuoyancy); //Attractor properties ph.VehicleFloatParam((int)Vehicle.VERTICAL_ATTRACTION_EFFICIENCY, m_verticalAttractionEfficiency); ph.VehicleFloatParam((int)Vehicle.VERTICAL_ATTRACTION_TIMESCALE, m_verticalAttractionTimescale); ph.VehicleRotationParam((int)Vehicle.REFERENCE_FRAME, m_referenceFrame); ph.VehicleFlags(~(int)m_flags, true); ph.VehicleFlags((int)m_flags, false); */ } private XmlTextWriter writer; private void XWint(string name, int i) { writer.WriteElementString(name, i.ToString()); } private void XWfloat(string name, float f) { writer.WriteElementString(name, f.ToString()); } private void XWVector(string name, Vector3 vec) { writer.WriteStartElement(name); writer.WriteElementString("X", vec.X.ToString(Utils.EnUsCulture)); writer.WriteElementString("Y", vec.Y.ToString(Utils.EnUsCulture)); writer.WriteElementString("Z", vec.Z.ToString(Utils.EnUsCulture)); writer.WriteEndElement(); } private void XWQuat(string name, Quaternion quat) { writer.WriteStartElement(name); writer.WriteElementString("X", quat.X.ToString(Utils.EnUsCulture)); writer.WriteElementString("Y", quat.Y.ToString(Utils.EnUsCulture)); writer.WriteElementString("Z", quat.Z.ToString(Utils.EnUsCulture)); writer.WriteElementString("W", quat.W.ToString(Utils.EnUsCulture)); writer.WriteEndElement(); } public void ToXml2(XmlTextWriter twriter) { writer = twriter; writer.WriteStartElement("SceneObjectVehicle"); XWint("V_Type", (int)vd.m_type); XWint("V_Flags", (int)vd.m_flags); // Linear properties XWVector("LM_DIRECTION", vd.m_linearMotorDirection); XWVector("LM_FRICTION_TIMESCALE", vd.m_linearFrictionTimescale); XWfloat("LM_DECAY_TIMESCALE", vd.m_linearMotorDecayTimescale); XWfloat("LM_TIMESCALE", vd.m_linearMotorTimescale); XWVector("LM_OFFSET", vd.m_linearMotorOffset); //Angular properties XWVector("AM_DIRECTION", vd.m_angularMotorDirection); XWfloat("AM_TIMESCALE", vd.m_angularMotorTimescale); XWfloat("AM_DECAY_TIMESCALE", vd.m_angularMotorDecayTimescale); XWVector("AM_FRICTION_TIMESCALE", vd.m_angularFrictionTimescale); //Deflection properties XWfloat("AD_EFFICIENCY", vd.m_angularDeflectionEfficiency); XWfloat("AD_TIMESCALE", vd.m_angularDeflectionTimescale); XWfloat("LD_EFFICIENCY", vd.m_linearDeflectionEfficiency); XWfloat("LD_TIMESCALE", vd.m_linearDeflectionTimescale); //Banking properties XWfloat("B_EFFICIENCY", vd.m_bankingEfficiency); XWfloat("B_MIX", vd.m_bankingMix); XWfloat("B_TIMESCALE", vd.m_bankingTimescale); //Hover and Buoyancy properties XWfloat("H_HEIGHT", vd.m_VhoverHeight); XWfloat("H_EFFICIENCY", vd.m_VhoverEfficiency); XWfloat("H_TIMESCALE", vd.m_VhoverTimescale); XWfloat("VBUOYANCY", vd.m_VehicleBuoyancy); //Attractor properties XWfloat("VA_EFFICIENCY", vd.m_verticalAttractionEfficiency); XWfloat("VA_TIMESCALE", vd.m_verticalAttractionTimescale); XWQuat("REF_FRAME", vd.m_referenceFrame); writer.WriteEndElement(); writer = null; } } }