mirror of
https://github.com/Dejvino/roadtrip
synced 2024-11-14 04:57:28 +00:00
Added enter / leave vehicle by Enter. Refactoring.
This commit is contained in:
parent
7dee0ac30f
commit
59210eca75
Binary file not shown.
@ -15,10 +15,11 @@ import com.jme3.bullet.control.VehicleControl;
|
||||
import com.jme3.input.KeyInput;
|
||||
import com.jme3.input.controls.ActionListener;
|
||||
import com.jme3.input.controls.KeyTrigger;
|
||||
import com.jme3.light.DirectionalLight;
|
||||
import com.jme3.material.Material;
|
||||
import com.jme3.math.ColorRGBA;
|
||||
import com.jme3.math.FastMath;
|
||||
import com.jme3.math.Matrix3f;
|
||||
import com.jme3.math.Quaternion;
|
||||
import com.jme3.math.Vector3f;
|
||||
import com.jme3.scene.Geometry;
|
||||
import com.jme3.scene.Node;
|
||||
@ -39,92 +40,22 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
public static boolean DEBUG = false;//true;
|
||||
|
||||
private BulletAppState bulletAppState;
|
||||
|
||||
private VehicleNode playerVehicleNode;
|
||||
|
||||
|
||||
Spatial map;
|
||||
private List<VehicleNode> vehicles = new LinkedList<>();
|
||||
|
||||
private static class WeakVehicle extends VehicleInstance
|
||||
{
|
||||
WeakVehicle()
|
||||
{
|
||||
super(WEAK, 200.0f, 100.0f);
|
||||
}
|
||||
}
|
||||
|
||||
private static class TruckVehicle extends VehicleInstance
|
||||
{
|
||||
TruckVehicle()
|
||||
{
|
||||
super(TRUCK, 1400.0f, 200.0f);
|
||||
}
|
||||
}
|
||||
|
||||
private static class SportVehicle extends VehicleInstance
|
||||
{
|
||||
SportVehicle()
|
||||
{
|
||||
super(SPORT, 20000.0f, 200.0f);
|
||||
}
|
||||
}
|
||||
|
||||
private static class VehicleInstance
|
||||
{
|
||||
final static int WEAK = 1;
|
||||
final static int TRUCK = 2;
|
||||
final static int SPORT = 3;
|
||||
final static int FOOT = 4;
|
||||
|
||||
int carType;
|
||||
float accelerationForce = 200.0f;
|
||||
float brakeForce = 100.0f;
|
||||
float steeringValue = 0;
|
||||
float accelerationValue = 0;
|
||||
float accelerationSmooth = 0;
|
||||
|
||||
VehicleInstance(int carType, float accelerationForce, float brakeForce)
|
||||
{
|
||||
this.carType = carType;
|
||||
this.accelerationForce = accelerationForce;
|
||||
this.brakeForce = brakeForce;
|
||||
}
|
||||
}
|
||||
|
||||
private static class VehicleNode extends Node
|
||||
{
|
||||
VehicleInstance vehicleInstance;
|
||||
|
||||
VehicleControl vehicleControl;
|
||||
|
||||
Spatial vehicleModel;
|
||||
|
||||
AudioNode engineAudio;
|
||||
AudioNode wheelsAudio;
|
||||
AudioNode wheelSlipAudio;
|
||||
|
||||
public VehicleNode(String name, VehicleInstance vehicleInstance,
|
||||
VehicleControl vehicleControl, Spatial vehicleModel)
|
||||
{
|
||||
super(name);
|
||||
this.vehicleInstance = vehicleInstance;
|
||||
this.vehicleControl = vehicleControl;
|
||||
this.vehicleModel = vehicleModel;
|
||||
}
|
||||
}
|
||||
|
||||
private Node playerNode;
|
||||
private BetterCharacterControl playerPersonControl;
|
||||
private Vector3f jumpForce = new Vector3f(0, 3000, 0);
|
||||
private Vector3f walkDir = new Vector3f();
|
||||
|
||||
private VehicleNode playerVehicleNode;
|
||||
|
||||
public static void main(String[] args)
|
||||
{
|
||||
RoadTrip app = new RoadTrip();
|
||||
app.start();
|
||||
}
|
||||
|
||||
Spatial map;
|
||||
|
||||
|
||||
@Override
|
||||
public void simpleInitApp() {
|
||||
bulletAppState = new BulletAppState();
|
||||
@ -138,6 +69,11 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
|
||||
addMap();
|
||||
|
||||
DirectionalLight dl = new DirectionalLight();
|
||||
dl.setColor(ColorRGBA.White);
|
||||
dl.setDirection(new Vector3f(1, -1, 1));
|
||||
rootNode.addLight(dl);
|
||||
|
||||
addPlayer();
|
||||
|
||||
addCar();
|
||||
@ -178,39 +114,12 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
private void addCar()
|
||||
{
|
||||
Node vehicleModel = new Node("VehicleModel");
|
||||
VehicleInstance vehicleInstance = new WeakVehicle();
|
||||
VehicleInstance vehicleInstance = VehicleInstance.createVehicle(vehicles.size() % VehicleInstance.getVehicleTypesCount());
|
||||
|
||||
Material mat = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
|
||||
mat.getAdditionalRenderState().setWireframe(true);
|
||||
mat.setColor("Color", ColorRGBA.Black);
|
||||
|
||||
//create a compound shape and attach the BoxCollisionShape for the car body at 0,1,0
|
||||
//this shifts the effective center of mass of the BoxCollisionShape to 0,-1,0
|
||||
CompoundCollisionShape compoundShape = new CompoundCollisionShape();
|
||||
BoxCollisionShape box = new BoxCollisionShape(new Vector3f(1.4f, 0.5f, 3.6f));
|
||||
compoundShape.addChildShape(box, new Vector3f(0, 1, 0));
|
||||
|
||||
if (vehicleInstance.carType == VehicleInstance.TRUCK) {
|
||||
BoxCollisionShape boxCabin = new BoxCollisionShape(new Vector3f(1.4f, 0.8f, 1.0f));
|
||||
compoundShape.addChildShape(boxCabin, new Vector3f(0, 2, 2f));
|
||||
} else if (vehicleInstance.carType == VehicleInstance.SPORT) {
|
||||
BoxCollisionShape boxCabin = new BoxCollisionShape(new Vector3f(1.2f, 0.6f, 2.0f));
|
||||
compoundShape.addChildShape(boxCabin, new Vector3f(0, 2, -1f));
|
||||
}
|
||||
|
||||
VehicleControl vehicleControl = new VehicleControl(compoundShape, 500);
|
||||
vehicleModel.addControl(vehicleControl);
|
||||
|
||||
//setting suspension values for wheels, this can be a bit tricky
|
||||
//see also https://docs.google.com/Doc?docid=0AXVUZ5xw6XpKZGNuZG56a3FfMzU0Z2NyZnF4Zmo&hl=en
|
||||
float stiffness = 30.0f;//200=f1 car
|
||||
float compValue = .1f; //(should be lower than damp)
|
||||
float dampValue = .2f;
|
||||
vehicleControl.setSuspensionCompression(compValue * 2.0f * FastMath.sqrt(stiffness));
|
||||
vehicleControl.setSuspensionDamping(dampValue * 2.0f * FastMath.sqrt(stiffness));
|
||||
vehicleControl.setSuspensionStiffness(stiffness);
|
||||
vehicleControl.setMaxSuspensionForce(10000.0f);
|
||||
|
||||
//Create four wheels and add them at their locations
|
||||
Vector3f wheelDirection = new Vector3f(0, -1, 0); // was 0, -1, 0
|
||||
Vector3f wheelAxle = new Vector3f(-1, 0, 0); // was -1, 0, 0
|
||||
@ -221,10 +130,48 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
float zOff = 2f;
|
||||
|
||||
Geometry carBody = new Geometry("car body", new Box(new Vector3f(0.0f, 1f, 0.0f), 1.4f, 0.5f, 3.6f));
|
||||
Material matBody = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
|
||||
matBody.setColor("Color", ColorRGBA.Red);
|
||||
Material matBody = new Material(getAssetManager(), "Common/MatDefs/Light/Lighting.j3md");
|
||||
matBody.setFloat("Shininess", 32f);
|
||||
matBody.setBoolean("UseMaterialColors", true);
|
||||
matBody.setColor("Ambient", ColorRGBA.Black);
|
||||
matBody.setColor("Diffuse", ColorRGBA.Red);
|
||||
matBody.setColor("Specular", ColorRGBA.White);
|
||||
carBody.setMaterial(matBody);
|
||||
vehicleModel.attachChild(carBody);
|
||||
|
||||
//create a compound shape and attach the BoxCollisionShape for the car body at 0,1,0
|
||||
//this shifts the effective center of mass of the BoxCollisionShape to 0,-1,0
|
||||
CompoundCollisionShape compoundShape = new CompoundCollisionShape();
|
||||
BoxCollisionShape box = new BoxCollisionShape(new Vector3f(1.4f, 0.5f, 3.6f));
|
||||
compoundShape.addChildShape(box, new Vector3f(0, 1, 0));
|
||||
|
||||
if (vehicleInstance.carType == VehicleInstance.TRUCK) {
|
||||
BoxCollisionShape boxCabin = new BoxCollisionShape(new Vector3f(1.4f, 0.8f, 1.0f));
|
||||
compoundShape.addChildShape(boxCabin, new Vector3f(0, 2, 2f));
|
||||
|
||||
Geometry carCabin = new Geometry("car cabin", new Box(new Vector3f(0, 2, 2f), 1.4f, 0.8f, 1.0f));
|
||||
carCabin.setMaterial(matBody);
|
||||
vehicleModel.attachChild(carCabin);
|
||||
} else if (vehicleInstance.carType == VehicleInstance.SPORT) {
|
||||
BoxCollisionShape boxCabin = new BoxCollisionShape(new Vector3f(1.2f, 0.6f, 2.0f));
|
||||
compoundShape.addChildShape(boxCabin, new Vector3f(0, 2, -1f));
|
||||
|
||||
Geometry carCabin = new Geometry("car cabin", new Box(new Vector3f(0, 2, -1f), 1.2f, 0.6f, 2.0f));
|
||||
carCabin.setMaterial(matBody);
|
||||
vehicleModel.attachChild(carCabin);
|
||||
}
|
||||
|
||||
VehicleControl vehicleControl = new VehicleControl(compoundShape, 500);
|
||||
|
||||
//setting suspension values for wheels, this can be a bit tricky
|
||||
//see also https://docs.google.com/Doc?docid=0AXVUZ5xw6XpKZGNuZG56a3FfMzU0Z2NyZnF4Zmo&hl=en
|
||||
float stiffness = 30.0f;//200=f1 car
|
||||
float compValue = .1f; //(should be lower than damp)
|
||||
float dampValue = .2f;
|
||||
vehicleControl.setSuspensionCompression(compValue * 2.0f * FastMath.sqrt(stiffness));
|
||||
vehicleControl.setSuspensionDamping(dampValue * 2.0f * FastMath.sqrt(stiffness));
|
||||
vehicleControl.setSuspensionStiffness(stiffness);
|
||||
vehicleControl.setMaxSuspensionForce(10000.0f);
|
||||
|
||||
Cylinder wheelMesh = new Cylinder(16, 16, radius, radius * 0.2f, true);
|
||||
|
||||
@ -286,11 +233,6 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
vehicleModel.attachChild(node6);
|
||||
}
|
||||
|
||||
rootNode.attachChild(vehicleModel);
|
||||
|
||||
getPhysicsSpace().add(vehicleControl);
|
||||
vehicleControl.setPhysicsLocation(new Vector3f(5f, 30f, 5f));
|
||||
|
||||
vehicleControl.getWheel(0).setFrictionSlip(0.8f);
|
||||
vehicleControl.getWheel(1).setFrictionSlip(0.8f);
|
||||
vehicleControl.getWheel(2).setFrictionSlip(0.6f);
|
||||
@ -304,21 +246,22 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
|
||||
VehicleNode vehicle = new VehicleNode("VehicleNode",
|
||||
vehicleInstance, vehicleControl, vehicleModel);
|
||||
vehicle.attachChild(vehicleModel);
|
||||
|
||||
vehicle.engineAudio = new AudioNode(assetManager, "Sounds/engine.ogg", false);
|
||||
vehicle.engineAudio.setPositional(true);
|
||||
vehicle.engineAudio.setLooping(true);
|
||||
vehicle.engineAudio.setReverbEnabled(true);
|
||||
vehicle.engineAudio.setRefDistance(10);
|
||||
vehicle.engineAudio.setMaxDistance(100000000);
|
||||
vehicle.engineAudio.setRefDistance(5);
|
||||
vehicle.engineAudio.setMaxDistance(1000000);
|
||||
vehicle.attachChild(vehicle.engineAudio);
|
||||
|
||||
vehicle.wheelsAudio = new AudioNode(assetManager, "Sounds/wheels.ogg", false);
|
||||
vehicle.wheelsAudio.setPositional(true);
|
||||
vehicle.wheelsAudio.setLooping(true);
|
||||
//wheelsAudio.setReverbEnabled(true);
|
||||
vehicle.wheelsAudio.setRefDistance(10);
|
||||
vehicle.wheelsAudio.setMaxDistance(100000000);
|
||||
vehicle.wheelsAudio.setRefDistance(1f);
|
||||
vehicle.wheelsAudio.setMaxDistance(1000000f);
|
||||
vehicle.wheelsAudio.play();
|
||||
vehicle.attachChild(vehicle.wheelsAudio);
|
||||
|
||||
@ -326,19 +269,22 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
vehicle.wheelSlipAudio.setPositional(true);
|
||||
vehicle.wheelSlipAudio.setLooping(true);
|
||||
//wheelsAudio.setReverbEnabled(true);
|
||||
vehicle.wheelSlipAudio.setRefDistance(10);
|
||||
vehicle.wheelSlipAudio.setMaxDistance(100000000);
|
||||
vehicle.wheelSlipAudio.setRefDistance(5);
|
||||
vehicle.wheelSlipAudio.setMaxDistance(1000000);
|
||||
vehicle.wheelSlipAudio.play();
|
||||
vehicle.attachChild(vehicle.wheelSlipAudio);
|
||||
|
||||
vehicle.setLocalTranslation(new Vector3f(10f + (float)Math.random() * 20f, 30f, 12f + (float)Math.random() * 20f));
|
||||
vehicle.addControl(vehicleControl);
|
||||
getPhysicsSpace().add(vehicleControl);
|
||||
vehicleControl.setPhysicsLocation(new Vector3f(10f + (float)Math.random() * 20f, 30f, 12f + (float)Math.random() * 20f));
|
||||
|
||||
vehicles.add(vehicle);
|
||||
rootNode.attachChild(vehicle);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void simpleUpdate(float tpf) {
|
||||
Vector3f playerLocation = playerNode.getLocalTranslation();
|
||||
Vector3f playerLocation = playerNode.getWorldTranslation();
|
||||
Vector3f newLocation = new Vector3f(playerLocation).add(new Vector3f(-1f, 1.5f, 2.4f).mult(20f));
|
||||
cam.setLocation(new Vector3f(cam.getLocation()).interpolate(newLocation, Math.min(tpf, 1f)));
|
||||
cam.lookAt(playerLocation, Vector3f.UNIT_Y);
|
||||
@ -358,11 +304,17 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
}
|
||||
|
||||
vehicle.wheelsAudio.updateGeometricState();
|
||||
float wheelRot = Math.abs(vehicle.vehicleControl.getWheel(0).getDeltaRotation() + vehicle.vehicleControl.getWheel(1).getDeltaRotation()) / tpf / 40f;
|
||||
float wheelRot = Math.abs(vehicle.vehicleControl.getWheel(0).getDeltaRotation() + vehicle.vehicleControl.getWheel(1).getDeltaRotation()) / tpf / 100f;
|
||||
// TODO: pitch
|
||||
//System.out.println("wheel rot: " + wheelRot);
|
||||
//wheelsAudio.setPitch(Math.max(0.5f, Math.min(wheelRot * 4f, 2.0f)));
|
||||
vehicle.wheelsAudio.setVolume(Math.max(0.0001f, Math.min(wheelRot, 1.0f)) - 0.0001f);
|
||||
if ((vehicle.engineAudio.getStatus() == Status.Playing) && wheelRot < 10f) {
|
||||
vehicle.engineAudio.stop();
|
||||
}
|
||||
if ((vehicle.engineAudio.getStatus() != Status.Playing) && wheelRot > 10f) {
|
||||
vehicle.engineAudio.play();
|
||||
}
|
||||
|
||||
vehicle.wheelSlipAudio.updateGeometricState();
|
||||
float slipAll = 0f;
|
||||
@ -407,6 +359,28 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
} else {
|
||||
walkDir.z -= walkSpeed;
|
||||
}
|
||||
} else if (binding.equals("Reset")) {
|
||||
if (value) {
|
||||
System.out.println("Reset - to car");
|
||||
Vector3f playerPos = playerNode.getWorldTranslation();
|
||||
for (VehicleNode vehicle : vehicles) {
|
||||
Vector3f vehiclePos = vehicle.getWorldTranslation();
|
||||
float dist = playerPos.distance(vehiclePos);
|
||||
System.out.println(" .. dist: " + dist);
|
||||
if (dist < 5f) {
|
||||
playerVehicleNode = vehicle;
|
||||
playerNode.removeFromParent();
|
||||
playerNode.setLocalTranslation(0f, 0f, 0f);
|
||||
playerNode.setLocalRotation(Quaternion.DIRECTION_Z);
|
||||
playerNode.removeControl(playerPersonControl);
|
||||
playerVehicleNode.attachChild(playerNode);
|
||||
playerVehicleNode.vehicleInstance.accelerationValue = 0;
|
||||
playerVehicleNode.vehicleInstance.steeringValue = 0;
|
||||
walkDir = new Vector3f();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
playerPersonControl.setWalkDirection(walkDir);
|
||||
playerPersonControl.setViewDirection(walkDir);
|
||||
@ -468,12 +442,18 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
}
|
||||
} else if (binding.equals("Reset")) {
|
||||
if (value) {
|
||||
System.out.println("Reset");
|
||||
playerVehicleNode.vehicleControl.setPhysicsLocation(Vector3f.ZERO);
|
||||
System.out.println("Reset - from car");
|
||||
playerNode.removeFromParent();
|
||||
playerNode.addControl(playerPersonControl);
|
||||
playerPersonControl.warp(playerVehicleNode.getLocalTranslation());
|
||||
rootNode.attachChild(playerNode);
|
||||
playerVehicleNode = null;
|
||||
walkDir = new Vector3f();
|
||||
/*playerVehicleNode.vehicleControl.setPhysicsLocation(Vector3f.ZERO);
|
||||
playerVehicleNode.vehicleControl.setPhysicsRotation(new Matrix3f());
|
||||
playerVehicleNode.vehicleControl.setLinearVelocity(Vector3f.ZERO);
|
||||
playerVehicleNode.vehicleControl.setAngularVelocity(Vector3f.ZERO);
|
||||
playerVehicleNode.vehicleControl.resetSuspension();
|
||||
playerVehicleNode.vehicleControl.resetSuspension();*/
|
||||
} else {
|
||||
}
|
||||
}
|
||||
@ -494,8 +474,9 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
personControl.warp(new Vector3f(10f + (float)Math.random() * 20f, 30f, 12f + (float)Math.random() * 20f));/**/
|
||||
//personControl.setPhysicsLocation(new Vector3f(10f, 30f, 12f));
|
||||
getPhysicsSpace().add(personControl);
|
||||
getPhysicsSpace().addAll(person);
|
||||
//getPhysicsSpace().addAll(person);
|
||||
rootNode.attachChild(person);
|
||||
|
||||
Vector3f dir = new Vector3f((float)Math.random() * 2f - 1f, 0f, (float)Math.random() * 2f - 1f);
|
||||
personControl.setViewDirection(dir);
|
||||
personControl.setWalkDirection(dir);
|
||||
@ -515,3 +496,4 @@ public class RoadTrip extends SimpleApplication implements ActionListener {
|
||||
getPhysicsSpace().addAll(map);
|
||||
}
|
||||
}
|
||||
|
||||
|
65
src/roadtrip/VehicleInstance.java
Normal file
65
src/roadtrip/VehicleInstance.java
Normal file
@ -0,0 +1,65 @@
|
||||
/*
|
||||
*/
|
||||
package roadtrip;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author dejvino
|
||||
*/
|
||||
public class VehicleInstance
|
||||
{
|
||||
final static int WEAK = 1;
|
||||
final static int TRUCK = 2;
|
||||
final static int SPORT = 3;
|
||||
|
||||
static int getVehicleTypesCount() {
|
||||
return SPORT;
|
||||
}
|
||||
|
||||
int carType;
|
||||
float accelerationForce = 200.0f;
|
||||
float brakeForce = 100.0f;
|
||||
float steeringValue = 0;
|
||||
float accelerationValue = 0;
|
||||
float accelerationSmooth = 0;
|
||||
|
||||
VehicleInstance(int carType, float accelerationForce, float brakeForce)
|
||||
{
|
||||
this.carType = carType;
|
||||
this.accelerationForce = accelerationForce;
|
||||
this.brakeForce = brakeForce;
|
||||
}
|
||||
|
||||
public static class WeakVehicle extends VehicleInstance
|
||||
{
|
||||
WeakVehicle()
|
||||
{
|
||||
super(WEAK, 200.0f, 100.0f);
|
||||
}
|
||||
}
|
||||
|
||||
public static class TruckVehicle extends VehicleInstance
|
||||
{
|
||||
TruckVehicle()
|
||||
{
|
||||
super(TRUCK, 1400.0f, 200.0f);
|
||||
}
|
||||
}
|
||||
|
||||
public static class SportVehicle extends VehicleInstance
|
||||
{
|
||||
SportVehicle()
|
||||
{
|
||||
super(SPORT, 20000.0f, 200.0f);
|
||||
}
|
||||
}
|
||||
|
||||
static VehicleInstance createVehicle(int i) {
|
||||
switch (i + 1) {
|
||||
case WEAK: return new WeakVehicle();
|
||||
case TRUCK: return new TruckVehicle();
|
||||
case SPORT: return new SportVehicle();
|
||||
default: throw new RuntimeException("Unknown vehicle type " + i);
|
||||
}
|
||||
}
|
||||
}
|
34
src/roadtrip/VehicleNode.java
Normal file
34
src/roadtrip/VehicleNode.java
Normal file
@ -0,0 +1,34 @@
|
||||
/*
|
||||
*/
|
||||
package roadtrip;
|
||||
|
||||
import com.jme3.audio.AudioNode;
|
||||
import com.jme3.bullet.control.VehicleControl;
|
||||
import com.jme3.scene.Node;
|
||||
import com.jme3.scene.Spatial;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author dejvino
|
||||
*/
|
||||
public class VehicleNode extends Node
|
||||
{
|
||||
VehicleInstance vehicleInstance;
|
||||
|
||||
VehicleControl vehicleControl;
|
||||
|
||||
Spatial vehicleModel;
|
||||
|
||||
AudioNode engineAudio;
|
||||
AudioNode wheelsAudio;
|
||||
AudioNode wheelSlipAudio;
|
||||
|
||||
public VehicleNode(String name, VehicleInstance vehicleInstance,
|
||||
VehicleControl vehicleControl, Spatial vehicleModel)
|
||||
{
|
||||
super(name);
|
||||
this.vehicleInstance = vehicleInstance;
|
||||
this.vehicleControl = vehicleControl;
|
||||
this.vehicleModel = vehicleModel;
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user