edu.nps.moves.dis.CollisionElasticPdu Maven / Gradle / Ivy
package edu.nps.moves.dis;
import java.io.*;
/**
* 5.3.3.3. Information about elastic collisions in a DIS exercise shall be
* communicated using a Collision-Elastic PDU. COMPLETE
*
* Copyright (c) 2008-2016, 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
*/
public class CollisionElasticPdu extends EntityInformationFamilyPdu implements Serializable {
/**
* ID of the entity that issued the collision PDU
*/
protected EntityID issuingEntityID = new EntityID();
/**
* ID of entity that has collided with the issuing entity ID
*/
protected EntityID collidingEntityID = new EntityID();
/**
* ID of event
*/
protected EventID collisionEventID = new EventID();
/**
* some padding
*/
protected short pad = (short) 0;
/**
* velocity at collision
*/
protected Vector3Float contactVelocity = new Vector3Float();
/**
* mass of issuing entity
*/
protected float mass;
/**
* Location with respect to entity the issuing entity collided with
*/
protected Vector3Float location = new Vector3Float();
/**
* tensor values
*/
protected float collisionResultXX;
/**
* tensor values
*/
protected float collisionResultXY;
/**
* tensor values
*/
protected float collisionResultXZ;
/**
* tensor values
*/
protected float collisionResultYY;
/**
* tensor values
*/
protected float collisionResultYZ;
/**
* tensor values
*/
protected float collisionResultZZ;
/**
* This record shall represent the normal vector to the surface at the point
* of collision detection. The surface normal shall be represented in world
* coordinates.
*/
protected Vector3Float unitSurfaceNormal = new Vector3Float();
/**
* This field shall represent the degree to which energy is conserved in a
* collision
*/
protected float coefficientOfRestitution;
/**
* Constructor
*/
public CollisionElasticPdu() {
setPduType((short) 66);
setProtocolFamily((short) 1);
}
public int getMarshalledSize() {
int marshalSize = 0;
marshalSize = super.getMarshalledSize();
marshalSize = marshalSize + issuingEntityID.getMarshalledSize(); // issuingEntityID
marshalSize = marshalSize + collidingEntityID.getMarshalledSize(); // collidingEntityID
marshalSize = marshalSize + collisionEventID.getMarshalledSize(); // collisionEventID
marshalSize = marshalSize + 2; // pad
marshalSize = marshalSize + contactVelocity.getMarshalledSize(); // contactVelocity
marshalSize = marshalSize + 4; // mass
marshalSize = marshalSize + location.getMarshalledSize(); // location
marshalSize = marshalSize + 4; // collisionResultXX
marshalSize = marshalSize + 4; // collisionResultXY
marshalSize = marshalSize + 4; // collisionResultXZ
marshalSize = marshalSize + 4; // collisionResultYY
marshalSize = marshalSize + 4; // collisionResultYZ
marshalSize = marshalSize + 4; // collisionResultZZ
marshalSize = marshalSize + unitSurfaceNormal.getMarshalledSize(); // unitSurfaceNormal
marshalSize = marshalSize + 4; // coefficientOfRestitution
return marshalSize;
}
public void setIssuingEntityID(EntityID pIssuingEntityID) {
issuingEntityID = pIssuingEntityID;
}
public EntityID getIssuingEntityID() {
return issuingEntityID;
}
public void setCollidingEntityID(EntityID pCollidingEntityID) {
collidingEntityID = pCollidingEntityID;
}
public EntityID getCollidingEntityID() {
return collidingEntityID;
}
public void setCollisionEventID(EventID pCollisionEventID) {
collisionEventID = pCollisionEventID;
}
public EventID getCollisionEventID() {
return collisionEventID;
}
public void setPad(short pPad) {
pad = pPad;
}
public short getPad() {
return pad;
}
public void setContactVelocity(Vector3Float pContactVelocity) {
contactVelocity = pContactVelocity;
}
public Vector3Float getContactVelocity() {
return contactVelocity;
}
public void setMass(float pMass) {
mass = pMass;
}
public float getMass() {
return mass;
}
public void setLocation(Vector3Float pLocation) {
location = pLocation;
}
public Vector3Float getLocation() {
return location;
}
public void setCollisionResultXX(float pCollisionResultXX) {
collisionResultXX = pCollisionResultXX;
}
public float getCollisionResultXX() {
return collisionResultXX;
}
public void setCollisionResultXY(float pCollisionResultXY) {
collisionResultXY = pCollisionResultXY;
}
public float getCollisionResultXY() {
return collisionResultXY;
}
public void setCollisionResultXZ(float pCollisionResultXZ) {
collisionResultXZ = pCollisionResultXZ;
}
public float getCollisionResultXZ() {
return collisionResultXZ;
}
public void setCollisionResultYY(float pCollisionResultYY) {
collisionResultYY = pCollisionResultYY;
}
public float getCollisionResultYY() {
return collisionResultYY;
}
public void setCollisionResultYZ(float pCollisionResultYZ) {
collisionResultYZ = pCollisionResultYZ;
}
public float getCollisionResultYZ() {
return collisionResultYZ;
}
public void setCollisionResultZZ(float pCollisionResultZZ) {
collisionResultZZ = pCollisionResultZZ;
}
public float getCollisionResultZZ() {
return collisionResultZZ;
}
public void setUnitSurfaceNormal(Vector3Float pUnitSurfaceNormal) {
unitSurfaceNormal = pUnitSurfaceNormal;
}
public Vector3Float getUnitSurfaceNormal() {
return unitSurfaceNormal;
}
public void setCoefficientOfRestitution(float pCoefficientOfRestitution) {
coefficientOfRestitution = pCoefficientOfRestitution;
}
public float getCoefficientOfRestitution() {
return coefficientOfRestitution;
}
/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
super.marshal(buff);
issuingEntityID.marshal(buff);
collidingEntityID.marshal(buff);
collisionEventID.marshal(buff);
buff.putShort((short) pad);
contactVelocity.marshal(buff);
buff.putFloat((float) mass);
location.marshal(buff);
buff.putFloat((float) collisionResultXX);
buff.putFloat((float) collisionResultXY);
buff.putFloat((float) collisionResultXZ);
buff.putFloat((float) collisionResultYY);
buff.putFloat((float) collisionResultYZ);
buff.putFloat((float) collisionResultZZ);
unitSurfaceNormal.marshal(buff);
buff.putFloat((float) coefficientOfRestitution);
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
super.unmarshal(buff);
issuingEntityID.unmarshal(buff);
collidingEntityID.unmarshal(buff);
collisionEventID.unmarshal(buff);
pad = buff.getShort();
contactVelocity.unmarshal(buff);
mass = buff.getFloat();
location.unmarshal(buff);
collisionResultXX = buff.getFloat();
collisionResultXY = buff.getFloat();
collisionResultXZ = buff.getFloat();
collisionResultYY = buff.getFloat();
collisionResultYZ = buff.getFloat();
collisionResultZZ = buff.getFloat();
unitSurfaceNormal.unmarshal(buff);
coefficientOfRestitution = buff.getFloat();
} // end of unmarshal method
/*
* The equals method doesn't always work--mostly it works only on classes that consist only of primitives. Be careful.
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
return equalsImpl(obj);
}
@Override
public boolean equalsImpl(Object obj) {
boolean ivarsEqual = true;
if (!(obj instanceof CollisionElasticPdu)) {
return false;
}
final CollisionElasticPdu rhs = (CollisionElasticPdu) obj;
if (!(issuingEntityID.equals(rhs.issuingEntityID))) {
ivarsEqual = false;
}
if (!(collidingEntityID.equals(rhs.collidingEntityID))) {
ivarsEqual = false;
}
if (!(collisionEventID.equals(rhs.collisionEventID))) {
ivarsEqual = false;
}
if (!(pad == rhs.pad)) {
ivarsEqual = false;
}
if (!(contactVelocity.equals(rhs.contactVelocity))) {
ivarsEqual = false;
}
if (!(mass == rhs.mass)) {
ivarsEqual = false;
}
if (!(location.equals(rhs.location))) {
ivarsEqual = false;
}
if (!(collisionResultXX == rhs.collisionResultXX)) {
ivarsEqual = false;
}
if (!(collisionResultXY == rhs.collisionResultXY)) {
ivarsEqual = false;
}
if (!(collisionResultXZ == rhs.collisionResultXZ)) {
ivarsEqual = false;
}
if (!(collisionResultYY == rhs.collisionResultYY)) {
ivarsEqual = false;
}
if (!(collisionResultYZ == rhs.collisionResultYZ)) {
ivarsEqual = false;
}
if (!(collisionResultZZ == rhs.collisionResultZZ)) {
ivarsEqual = false;
}
if (!(unitSurfaceNormal.equals(rhs.unitSurfaceNormal))) {
ivarsEqual = false;
}
if (!(coefficientOfRestitution == rhs.coefficientOfRestitution)) {
ivarsEqual = false;
}
return ivarsEqual && super.equalsImpl(rhs);
}
} // end of class
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