Using OpenTK/OpenAL to Develop Cross Platform DIS VOIP Application

// Copyright (c) 1995-2009 held by the author(s).  All rights reserved.
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// modification, are permitted provided that the following conditions
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// * Neither the names of the Naval Postgraduate School (NPS)
//  Modeling Virtual Environments and Simulation (MOVES) Institute
// (http://www.nps.edu and http://www.MovesInstitute.org)
// nor the names of its contributors may be used to endorse or
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using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Xml.Serialization;
using DISnet.DataStreamUtilities;

namespace DIS1998net
{

    /**
     * Section 5.2.39. Specification of the data necessary to  describe the scan volume of an emitter.
     *
     * Copyright (c) 2008, MOVES Institute, Naval Postgraduate School. All rights reserved.
     * This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
     *
     * @author DMcG
     * Modified for use with C#:
     * Peter Smith (Naval Air Warfare Center - Training Systems Division)
     */
    [Serializable]
    [XmlRoot]
    public partial class BeamData : Object
    {
        /** Specifies the beam azimuth an elevation centers and corresponding half-angles     to describe the scan volume */
        protected float  _beamAzimuthCenter;

        /** Specifies the beam azimuth sweep to determine scan volume */
        protected float  _beamAzimuthSweep;

        /** Specifies the beam elevation center to determine scan volume */
        protected float  _beamElevationCenter;

        /** Specifies the beam elevation sweep to determine scan volume */
        protected float  _beamElevationSweep;

        /** allows receiver to synchronize its regenerated scan pattern to     that of the emmitter. Specifies the percentage of time a scan is through its pattern from its origion. */
        protected float  _beamSweepSync;


        /** Constructor */
        ///<summary>
        ///Section 5.2.39. Specification of the data necessary to  describe the scan volume of an emitter.
        ///</summary>
        public BeamData()
        {
        }

        public int getMarshalledSize()
        {
            int marshalSize = 0; 

            marshalSize = marshalSize + 4;  // _beamAzimuthCenter
            marshalSize = marshalSize + 4;  // _beamAzimuthSweep
            marshalSize = marshalSize + 4;  // _beamElevationCenter
            marshalSize = marshalSize + 4;  // _beamElevationSweep
            marshalSize = marshalSize + 4;  // _beamSweepSync

            return marshalSize;
        }


        ///<summary>
        ///Specifies the beam azimuth an elevation centers and corresponding half-angles     to describe the scan volume
        ///</summary>
        public void setBeamAzimuthCenter(float pBeamAzimuthCenter)
        { 
            _beamAzimuthCenter = pBeamAzimuthCenter;
        }

        [XmlElement(Type= typeof(float), ElementName="beamAzimuthCenter")]
        public float BeamAzimuthCenter
        {
            get
            {
                return _beamAzimuthCenter;
            }
            set
            {
                _beamAzimuthCenter = value;
            }
        }

        ///<summary>
        ///Specifies the beam azimuth sweep to determine scan volume
        ///</summary>
        public void setBeamAzimuthSweep(float pBeamAzimuthSweep)
        { 
            _beamAzimuthSweep = pBeamAzimuthSweep;
        }

        [XmlElement(Type= typeof(float), ElementName="beamAzimuthSweep")]
        public float BeamAzimuthSweep
        {
            get
            {
                return _beamAzimuthSweep;
            }
            set
            {
                _beamAzimuthSweep = value;
            }
        }

        ///<summary>
        ///Specifies the beam elevation center to determine scan volume
        ///</summary>
        public void setBeamElevationCenter(float pBeamElevationCenter)
        { 
            _beamElevationCenter = pBeamElevationCenter;
        }

        [XmlElement(Type= typeof(float), ElementName="beamElevationCenter")]
        public float BeamElevationCenter
        {
            get
            {
                return _beamElevationCenter;
            }
            set
            {
                _beamElevationCenter = value;
            }
        }

        ///<summary>
        ///Specifies the beam elevation sweep to determine scan volume
        ///</summary>
        public void setBeamElevationSweep(float pBeamElevationSweep)
        { 
            _beamElevationSweep = pBeamElevationSweep;
        }

        [XmlElement(Type= typeof(float), ElementName="beamElevationSweep")]
        public float BeamElevationSweep
        {
            get
            {
                return _beamElevationSweep;
            }
            set
            {
                _beamElevationSweep = value;
            }
        }

        ///<summary>
        ///allows receiver to synchronize its regenerated scan pattern to     that of the emmitter. Specifies the percentage of time a scan is through its pattern from its origion.
        ///</summary>
        public void setBeamSweepSync(float pBeamSweepSync)
        { 
            _beamSweepSync = pBeamSweepSync;
        }

        [XmlElement(Type= typeof(float), ElementName="beamSweepSync")]
        public float BeamSweepSync
        {
            get
            {
                return _beamSweepSync;
            }
            set
            {
                _beamSweepSync = value;
            }
        }


        ///<summary>
        ///Marshal the data to the DataOutputStream.  Note: Length needs to be set before calling this method
        ///</summary>
        public void marshal(DataOutputStream dos)
        {
            try
            {
                dos.writeFloat((float)_beamAzimuthCenter);
                dos.writeFloat((float)_beamAzimuthSweep);
                dos.writeFloat((float)_beamElevationCenter);
                dos.writeFloat((float)_beamElevationSweep);
                dos.writeFloat((float)_beamSweepSync);
            } // end try
            catch(Exception e)
            {
                Trace.WriteLine(e);
                Trace.Flush();
            }
        } // end of marshal method

        public void unmarshal(DataInputStream dis)
        {
            try
            {
                _beamAzimuthCenter = dis.readFloat();
                _beamAzimuthSweep = dis.readFloat();
                _beamElevationCenter = dis.readFloat();
                _beamElevationSweep = dis.readFloat();
                _beamSweepSync = dis.readFloat();
            } // end try
            catch(Exception e)
            {
                Trace.WriteLine(e);
                Trace.Flush();
            }
        } // end of unmarshal method

        ///<summary>
        ///This allows for a quick display of PDU data.  The current format is unacceptable and only used for debugging.
        ///This will be modified in the future to provide a better display.  Usage: 
        ///pdu.GetType().InvokeMember("reflection", System.Reflection.BindingFlags.InvokeMethod, null, pdu, new object[] { sb });
        ///where pdu is an object representing a single pdu and sb is a StringBuilder.
        ///Note: The supplied Utilities folder contains a method called 'DecodePDU' in the PDUProcessor Class that provides this functionality
        ///</summary>
        public void reflection(StringBuilder sb)
        {
            sb.Append("<BeamData>"  + System.Environment.NewLine);
            try
            {
                sb.Append("<beamAzimuthCenter type=\"float\">" + _beamAzimuthCenter.ToString() + "</beamAzimuthCenter> " + System.Environment.NewLine);
                sb.Append("<beamAzimuthSweep type=\"float\">" + _beamAzimuthSweep.ToString() + "</beamAzimuthSweep> " + System.Environment.NewLine);
                sb.Append("<beamElevationCenter type=\"float\">" + _beamElevationCenter.ToString() + "</beamElevationCenter> " + System.Environment.NewLine);
                sb.Append("<beamElevationSweep type=\"float\">" + _beamElevationSweep.ToString() + "</beamElevationSweep> " + System.Environment.NewLine);
                sb.Append("<beamSweepSync type=\"float\">" + _beamSweepSync.ToString() + "</beamSweepSync> " + System.Environment.NewLine);
                sb.Append("</BeamData>"  + System.Environment.NewLine);
            } // end try
            catch(Exception e)
            {
                Trace.WriteLine(e);
                Trace.Flush();
            }
        } // end of reflection method

        public static bool operator !=(BeamData a, BeamData b)
        {
            return !(a == b);
        }

        public static bool operator ==(BeamData a, BeamData b)
        {
            if (System.Object.ReferenceEquals(a, b))
            {
                return true;
            }

            if (((object)a == null) || ((object)b == null))
            {
                return false;
            }

            return a.equals(b);
        }


        public override bool Equals(object obj)
        {
            return this == obj as BeamData;
        }


        /**
         * Compares for reference equality and value equality.
         */
        public bool equals(BeamData rhs)
        {
            bool ivarsEqual = true;

            if(rhs.GetType() != this.GetType())
                return false;


            if( ! (_beamAzimuthCenter == rhs._beamAzimuthCenter)) ivarsEqual = false;
            if( ! (_beamAzimuthSweep == rhs._beamAzimuthSweep)) ivarsEqual = false;
            if( ! (_beamElevationCenter == rhs._beamElevationCenter)) ivarsEqual = false;
            if( ! (_beamElevationSweep == rhs._beamElevationSweep)) ivarsEqual = false;
            if( ! (_beamSweepSync == rhs._beamSweepSync)) ivarsEqual = false;

            return ivarsEqual;
        }

        /**
         * HashCode Helper
         */
        private int GenerateHash(int hash)
        {
            hash = hash << 5 + hash;
            return(hash);
        }


        /**
         * Return Hash
         */
        public override int GetHashCode()
        {
            int result = 0;

            result = GenerateHash(result) ^ _beamAzimuthCenter.GetHashCode();
            result = GenerateHash(result) ^ _beamAzimuthSweep.GetHashCode();
            result = GenerateHash(result) ^ _beamElevationCenter.GetHashCode();
            result = GenerateHash(result) ^ _beamElevationSweep.GetHashCode();
            result = GenerateHash(result) ^ _beamSweepSync.GetHashCode();

            return result;
        }
    } // end of class
} // end of namespace