Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-18 14:00:05 +01:00
293 Zeilen
12 KiB
Java
293 Zeilen
12 KiB
Java
package net.minecraft.server;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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public class EntityTrackerEntry {
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public Entity tracker;
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public int b;
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public int c;
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public int d;
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public int e;
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public int f;
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public int g;
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public int h;
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public double i;
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public double j;
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public double k;
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public int l = 0;
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private double o;
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private double p;
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private double q;
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private boolean r = false;
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private boolean isMoving;
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private int t = 0;
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public boolean m = false;
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public Set trackedPlayers = new HashSet();
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public EntityTrackerEntry(Entity entity, int i, int j, boolean flag) {
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this.tracker = entity;
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this.b = i;
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this.c = j;
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this.isMoving = flag;
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this.d = MathHelper.floor(entity.locX * 32.0D);
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this.e = MathHelper.floor(entity.locY * 32.0D);
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this.f = MathHelper.floor(entity.locZ * 32.0D);
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this.g = MathHelper.d(entity.yaw * 256.0F / 360.0F);
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this.h = MathHelper.d(entity.pitch * 256.0F / 360.0F);
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}
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public boolean equals(Object object) {
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return object instanceof EntityTrackerEntry ? ((EntityTrackerEntry) object).tracker.id == this.tracker.id : false;
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}
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public int hashCode() {
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return this.tracker.id;
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}
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public void track(List list) {
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this.m = false;
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if (!this.r || this.tracker.d(this.o, this.p, this.q) > 16.0D) {
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this.o = this.tracker.locX;
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this.p = this.tracker.locY;
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this.q = this.tracker.locZ;
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this.r = true;
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this.m = true;
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this.scanPlayers(list);
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}
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++this.t;
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if (++this.l % this.c == 0) {
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int i = MathHelper.floor(this.tracker.locX * 32.0D);
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int j = MathHelper.floor(this.tracker.locY * 32.0D);
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int k = MathHelper.floor(this.tracker.locZ * 32.0D);
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int l = MathHelper.d(this.tracker.yaw * 256.0F / 360.0F);
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int i1 = MathHelper.d(this.tracker.pitch * 256.0F / 360.0F);
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int j1 = i - this.d;
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int k1 = j - this.e;
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int l1 = k - this.f;
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Object object = null;
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boolean flag = Math.abs(i) >= 8 || Math.abs(j) >= 8 || Math.abs(k) >= 8;
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boolean flag1 = Math.abs(l - this.g) >= 8 || Math.abs(i1 - this.h) >= 8;
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if (j1 >= -128 && j1 < 128 && k1 >= -128 && k1 < 128 && l1 >= -128 && l1 < 128 && this.t <= 400) {
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if (flag && flag1) {
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object = new Packet33RelEntityMoveLook(this.tracker.id, (byte) j1, (byte) k1, (byte) l1, (byte) l, (byte) i1);
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} else if (flag) {
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object = new Packet31RelEntityMove(this.tracker.id, (byte) j1, (byte) k1, (byte) l1);
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} else if (flag1) {
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object = new Packet32EntityLook(this.tracker.id, (byte) l, (byte) i1);
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}
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} else {
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this.t = 0;
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this.tracker.locX = (double) i / 32.0D;
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this.tracker.locY = (double) j / 32.0D;
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this.tracker.locZ = (double) k / 32.0D;
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object = new Packet34EntityTeleport(this.tracker.id, i, j, k, (byte) l, (byte) i1);
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}
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if (this.isMoving) {
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double d0 = this.tracker.motX - this.i;
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double d1 = this.tracker.motY - this.j;
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double d2 = this.tracker.motZ - this.k;
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double d3 = 0.02D;
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double d4 = d0 * d0 + d1 * d1 + d2 * d2;
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if (d4 > d3 * d3 || d4 > 0.0D && this.tracker.motX == 0.0D && this.tracker.motY == 0.0D && this.tracker.motZ == 0.0D) {
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this.i = this.tracker.motX;
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this.j = this.tracker.motY;
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this.k = this.tracker.motZ;
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this.a((Packet) (new Packet28EntityVelocity(this.tracker.id, this.i, this.j, this.k)));
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}
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}
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if (object != null) {
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this.a((Packet) object);
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}
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DataWatcher datawatcher = this.tracker.aa();
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if (datawatcher.a()) {
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this.b((Packet) (new Packet40EntityMetadata(this.tracker.id, datawatcher)));
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}
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if (flag) {
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this.d = i;
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this.e = j;
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this.f = k;
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}
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if (flag1) {
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this.g = l;
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this.h = i1;
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}
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}
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if (this.tracker.velocityChanged) {
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this.b((Packet) (new Packet28EntityVelocity(this.tracker)));
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this.tracker.velocityChanged = false;
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}
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}
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public void a(Packet packet) {
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Iterator iterator = this.trackedPlayers.iterator();
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while (iterator.hasNext()) {
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EntityPlayer entityplayer = (EntityPlayer) iterator.next();
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entityplayer.netServerHandler.sendPacket(packet);
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}
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}
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public void b(Packet packet) {
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this.a(packet);
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if (this.tracker instanceof EntityPlayer) {
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((EntityPlayer) this.tracker).netServerHandler.sendPacket(packet);
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}
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}
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public void a() {
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this.a((Packet) (new Packet29DestroyEntity(this.tracker.id)));
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}
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public void a(EntityPlayer entityplayer) {
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if (this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.remove(entityplayer);
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}
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}
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public void b(EntityPlayer entityplayer) {
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if (entityplayer != this.tracker) {
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double d0 = entityplayer.locX - (double) (this.d / 32);
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double d1 = entityplayer.locZ - (double) (this.f / 32);
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if (d0 >= (double) (-this.b) && d0 <= (double) this.b && d1 >= (double) (-this.b) && d1 <= (double) this.b) {
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if (!this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.add(entityplayer);
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entityplayer.netServerHandler.sendPacket(this.b());
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if (this.isMoving) {
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entityplayer.netServerHandler.sendPacket(new Packet28EntityVelocity(this.tracker.id, this.tracker.motX, this.tracker.motY, this.tracker.motZ));
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}
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ItemStack[] aitemstack = this.tracker.getEquipment();
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if (aitemstack != null) {
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for (int i = 0; i < aitemstack.length; ++i) {
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entityplayer.netServerHandler.sendPacket(new Packet5EntityEquipment(this.tracker.id, i, aitemstack[i]));
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}
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}
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if (this.tracker instanceof EntityHuman) {
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EntityHuman entityhuman = (EntityHuman) this.tracker;
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if (entityhuman.isSleeping()) {
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entityplayer.netServerHandler.sendPacket(new Packet17(this.tracker, 0, MathHelper.floor(this.tracker.locX), MathHelper.floor(this.tracker.locY), MathHelper.floor(this.tracker.locZ)));
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}
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}
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}
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} else if (this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.remove(entityplayer);
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entityplayer.netServerHandler.sendPacket(new Packet29DestroyEntity(this.tracker.id));
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}
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}
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}
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public void scanPlayers(List list) {
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for (int i = 0; i < list.size(); ++i) {
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this.b((EntityPlayer) list.get(i));
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}
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}
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private Packet b() {
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if (this.tracker instanceof EntityItem) {
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EntityItem entityitem = (EntityItem) this.tracker;
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Packet21PickupSpawn packet21pickupspawn = new Packet21PickupSpawn(entityitem);
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entityitem.locX = (double) packet21pickupspawn.b / 32.0D;
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entityitem.locY = (double) packet21pickupspawn.c / 32.0D;
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entityitem.locZ = (double) packet21pickupspawn.d / 32.0D;
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return packet21pickupspawn;
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} else if (this.tracker instanceof EntityPlayer) {
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// CraftBukkit start - limit name length to 16 characters
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if (((EntityHuman) this.tracker).name.length() > 16) {
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((EntityHuman) this.tracker).name = ((EntityHuman) this.tracker).name.substring(0, 16);
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}
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// CraftBukkit end
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return new Packet20NamedEntitySpawn((EntityHuman) this.tracker);
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} else {
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if (this.tracker instanceof EntityMinecart) {
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EntityMinecart entityminecart = (EntityMinecart) this.tracker;
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if (entityminecart.type == 0) {
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return new Packet23VehicleSpawn(this.tracker, 10);
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}
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if (entityminecart.type == 1) {
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return new Packet23VehicleSpawn(this.tracker, 11);
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}
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if (entityminecart.type == 2) {
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return new Packet23VehicleSpawn(this.tracker, 12);
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}
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}
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if (this.tracker instanceof EntityBoat) {
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return new Packet23VehicleSpawn(this.tracker, 1);
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} else if (this.tracker instanceof IAnimal) {
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return new Packet24MobSpawn((EntityLiving) this.tracker);
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} else if (this.tracker instanceof EntityFish) {
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return new Packet23VehicleSpawn(this.tracker, 90);
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} else if (this.tracker instanceof EntityArrow) {
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EntityLiving entityliving = ((EntityArrow) this.tracker).shooter;
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return new Packet23VehicleSpawn(this.tracker, 60, entityliving != null ? entityliving.id : this.tracker.id);
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} else if (this.tracker instanceof EntitySnowball) {
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return new Packet23VehicleSpawn(this.tracker, 61);
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} else if (this.tracker instanceof EntityFireball) {
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EntityFireball entityfireball = (EntityFireball) this.tracker;
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// CraftBukkit start - added check for null shooter
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int shooter = ((EntityFireball) this.tracker).shooter != null ? ((EntityFireball) this.tracker).shooter.id : 1;
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Packet23VehicleSpawn packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 63, shooter);
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// CraftBukkit end
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packet23vehiclespawn.e = (int) (entityfireball.c * 8000.0D);
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packet23vehiclespawn.f = (int) (entityfireball.d * 8000.0D);
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packet23vehiclespawn.g = (int) (entityfireball.e * 8000.0D);
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return packet23vehiclespawn;
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} else if (this.tracker instanceof EntityEgg) {
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return new Packet23VehicleSpawn(this.tracker, 62);
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} else if (this.tracker instanceof EntityTNTPrimed) {
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return new Packet23VehicleSpawn(this.tracker, 50);
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} else {
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if (this.tracker instanceof EntityFallingSand) {
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EntityFallingSand entityfallingsand = (EntityFallingSand) this.tracker;
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if (entityfallingsand.a == Block.SAND.id) {
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return new Packet23VehicleSpawn(this.tracker, 70);
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}
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if (entityfallingsand.a == Block.GRAVEL.id) {
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return new Packet23VehicleSpawn(this.tracker, 71);
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}
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}
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if (this.tracker instanceof EntityPainting) {
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return new Packet25EntityPainting((EntityPainting) this.tracker);
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} else {
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throw new IllegalArgumentException("Don\'t know how to add " + this.tracker.getClass() + "!");
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}
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}
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}
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}
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public void c(EntityPlayer entityplayer) {
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if (this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.remove(entityplayer);
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entityplayer.netServerHandler.sendPacket(new Packet29DestroyEntity(this.tracker.id));
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}
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}
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}
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