package net.minecraft.server; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Set; // CraftBukkit start import org.bukkit.entity.Player; import org.bukkit.event.player.PlayerVelocityEvent; // CraftBukkit end public class EntityTrackerEntry { public Entity tracker; public int b; public int c; public int xLoc; public int yLoc; public int zLoc; public int yRot; public int xRot; public int i; public double j; public double k; public double l; public int m = 0; private double p; private double q; private double r; private boolean s = false; private boolean isMoving; private int u = 0; private Entity v; private boolean w = false; public boolean n = false; public Set trackedPlayers = new HashSet(); public EntityTrackerEntry(Entity entity, int i, int j, boolean flag) { this.tracker = entity; this.b = i; this.c = j; this.isMoving = flag; this.xLoc = MathHelper.floor(entity.locX * 32.0D); this.yLoc = MathHelper.floor(entity.locY * 32.0D); this.zLoc = MathHelper.floor(entity.locZ * 32.0D); this.yRot = MathHelper.d(entity.yaw * 256.0F / 360.0F); this.xRot = MathHelper.d(entity.pitch * 256.0F / 360.0F); this.i = MathHelper.d(entity.ap() * 256.0F / 360.0F); } public boolean equals(Object object) { return object instanceof EntityTrackerEntry ? ((EntityTrackerEntry) object).tracker.id == this.tracker.id : false; } public int hashCode() { return this.tracker.id; } public void track(List list) { this.n = false; if (!this.s || this.tracker.e(this.p, this.q, this.r) > 16.0D) { this.p = this.tracker.locX; this.q = this.tracker.locY; this.r = this.tracker.locZ; this.s = true; this.n = true; this.scanPlayers(list); } if (this.v != this.tracker.vehicle) { this.v = this.tracker.vehicle; this.broadcast(new Packet39AttachEntity(this.tracker, this.tracker.vehicle)); } if (this.tracker instanceof EntityItemFrame && this.m % 10 == 0) { EntityItemFrame i4 = (EntityItemFrame) this.tracker; ItemStack i5 = i4.i(); if (i5 != null && i5.getItem() instanceof ItemWorldMap) { WorldMap i7 = Item.MAP.getSavedMap(i5, this.tracker.world); Iterator j0 = list.iterator(); while (j0.hasNext()) { EntityHuman j1 = (EntityHuman) j0.next(); EntityPlayer j2 = (EntityPlayer) j1; i7.a(j2, i5); if (j2.playerConnection.lowPriorityCount() <= 5) { Packet j3 = Item.MAP.c(i5, this.tracker.world, j2); if (j3 != null) { j2.playerConnection.sendPacket(j3); } } } } DataWatcher i9 = this.tracker.getDataWatcher(); if (i9.a()) { this.broadcastIncludingSelf(new Packet40EntityMetadata(this.tracker.id, i9, false)); } } else if (this.m++ % this.c == 0 || this.tracker.am) { int i; int j; if (this.tracker.vehicle == null) { ++this.u; i = this.tracker.as.a(this.tracker.locX); j = MathHelper.floor(this.tracker.locY * 32.0D); int k = this.tracker.as.a(this.tracker.locZ); int l = MathHelper.d(this.tracker.yaw * 256.0F / 360.0F); int i1 = MathHelper.d(this.tracker.pitch * 256.0F / 360.0F); int j1 = i - this.xLoc; int k1 = j - this.yLoc; int l1 = k - this.zLoc; Object object = null; boolean flag = Math.abs(j1) >= 4 || Math.abs(k1) >= 4 || Math.abs(l1) >= 4 || this.m % 60 == 0; boolean flag1 = Math.abs(l - this.yRot) >= 4 || Math.abs(i1 - this.xRot) >= 4; // CraftBukkit start - code moved from below if (flag) { this.xLoc = i; this.yLoc = j; this.zLoc = k; } if (flag1) { this.yRot = l; this.xRot = i1; } // CraftBukkit end if (j1 >= -128 && j1 < 128 && k1 >= -128 && k1 < 128 && l1 >= -128 && l1 < 128 && this.u <= 400 && !this.w) { if (flag && flag1) { object = new Packet33RelEntityMoveLook(this.tracker.id, (byte) j1, (byte) k1, (byte) l1, (byte) l, (byte) i1); } else if (flag) { object = new Packet31RelEntityMove(this.tracker.id, (byte) j1, (byte) k1, (byte) l1); } else if (flag1) { object = new Packet32EntityLook(this.tracker.id, (byte) l, (byte) i1); } } else { this.u = 0; // CraftBukkit start - refresh list of who can see a player before sending teleport packet if (this.tracker instanceof EntityPlayer) { this.scanPlayers(new java.util.ArrayList(this.trackedPlayers)); } // CraftBukkit end object = new Packet34EntityTeleport(this.tracker.id, i, j, k, (byte) l, (byte) i1); } if (this.isMoving) { double d0 = this.tracker.motX - this.j; double d1 = this.tracker.motY - this.k; double d2 = this.tracker.motZ - this.l; double d3 = 0.02D; double d4 = d0 * d0 + d1 * d1 + d2 * d2; if (d4 > d3 * d3 || d4 > 0.0D && this.tracker.motX == 0.0D && this.tracker.motY == 0.0D && this.tracker.motZ == 0.0D) { this.j = this.tracker.motX; this.k = this.tracker.motY; this.l = this.tracker.motZ; this.broadcast(new Packet28EntityVelocity(this.tracker.id, this.j, this.k, this.l)); } } if (object != null) { this.broadcast((Packet) object); } DataWatcher datawatcher1 = this.tracker.getDataWatcher(); if (datawatcher1.a()) { this.broadcastIncludingSelf(new Packet40EntityMetadata(this.tracker.id, datawatcher1, false)); } /* CraftBukkit start - code moved up if (flag) { this.xLoc = i; this.yLoc = j; this.zLoc = k; } if (flag1) { this.yRot = l; this.xRot = i1; } // CraftBukkit end */ this.w = false; } else { i = MathHelper.d(this.tracker.yaw * 256.0F / 360.0F); j = MathHelper.d(this.tracker.pitch * 256.0F / 360.0F); boolean flag2 = Math.abs(i - this.yRot) >= 4 || Math.abs(j - this.xRot) >= 4; if (flag2) { this.broadcast(new Packet32EntityLook(this.tracker.id, (byte) i, (byte) j)); this.yRot = i; this.xRot = j; } this.xLoc = this.tracker.as.a(this.tracker.locX); this.yLoc = MathHelper.floor(this.tracker.locY * 32.0D); this.zLoc = this.tracker.as.a(this.tracker.locZ); DataWatcher datawatcher2 = this.tracker.getDataWatcher(); if (datawatcher2.a()) { this.broadcastIncludingSelf(new Packet40EntityMetadata(this.tracker.id, datawatcher2, false)); } this.w = true; } i = MathHelper.d(this.tracker.ap() * 256.0F / 360.0F); if (Math.abs(i - this.i) >= 4) { this.broadcast(new Packet35EntityHeadRotation(this.tracker.id, (byte) i)); this.i = i; } this.tracker.am = false; } if (this.tracker.velocityChanged) { // CraftBukkit start - create PlayerVelocity event boolean cancelled = false; if (this.tracker instanceof EntityPlayer) { Player player = (Player) this.tracker.getBukkitEntity(); org.bukkit.util.Vector velocity = player.getVelocity(); PlayerVelocityEvent event = new PlayerVelocityEvent(player, velocity); this.tracker.world.getServer().getPluginManager().callEvent(event); if (event.isCancelled()) { cancelled = true; } else if (!velocity.equals(event.getVelocity())) { player.setVelocity(velocity); } } if (!cancelled) { this.broadcastIncludingSelf((Packet) (new Packet28EntityVelocity(this.tracker))); } // CraftBukkit end this.tracker.velocityChanged = false; } } public void broadcast(Packet packet) { Iterator iterator = this.trackedPlayers.iterator(); while (iterator.hasNext()) { EntityPlayer entityplayer = (EntityPlayer) iterator.next(); entityplayer.playerConnection.sendPacket(packet); } } public void broadcastIncludingSelf(Packet packet) { this.broadcast(packet); if (this.tracker instanceof EntityPlayer) { ((EntityPlayer) this.tracker).playerConnection.sendPacket(packet); } } public void a() { Iterator iterator = this.trackedPlayers.iterator(); while (iterator.hasNext()) { EntityPlayer entityplayer = (EntityPlayer) iterator.next(); entityplayer.removeQueue.add(Integer.valueOf(this.tracker.id)); } } public void a(EntityPlayer entityplayer) { if (this.trackedPlayers.contains(entityplayer)) { entityplayer.removeQueue.add(Integer.valueOf(this.tracker.id)); this.trackedPlayers.remove(entityplayer); } } public void updatePlayer(EntityPlayer entityplayer) { if (entityplayer != this.tracker) { double d0 = entityplayer.locX - (double) (this.xLoc / 32); double d1 = entityplayer.locZ - (double) (this.zLoc / 32); if (d0 >= (double) (-this.b) && d0 <= (double) this.b && d1 >= (double) (-this.b) && d1 <= (double) this.b) { if (!this.trackedPlayers.contains(entityplayer) && this.d(entityplayer)) { // CraftBukkit start if (this.tracker instanceof EntityPlayer) { Player player = ((EntityPlayer) this.tracker).getBukkitEntity(); if (!entityplayer.getBukkitEntity().canSee(player)) { return; } } entityplayer.removeQueue.remove(Integer.valueOf(this.tracker.id)); // CraftBukkit end this.trackedPlayers.add(entityplayer); Packet packet = this.b(); entityplayer.playerConnection.sendPacket(packet); if (!this.tracker.getDataWatcher().d()) { entityplayer.playerConnection.sendPacket(new Packet40EntityMetadata(this.tracker.id, this.tracker.getDataWatcher(), true)); } this.j = this.tracker.motX; this.k = this.tracker.motY; this.l = this.tracker.motZ; if (this.isMoving && !(packet instanceof Packet24MobSpawn)) { entityplayer.playerConnection.sendPacket(new Packet28EntityVelocity(this.tracker.id, this.tracker.motX, this.tracker.motY, this.tracker.motZ)); } if (this.tracker.vehicle != null) { entityplayer.playerConnection.sendPacket(new Packet39AttachEntity(this.tracker, this.tracker.vehicle)); } if (this.tracker instanceof EntityLiving) { for (int i = 0; i < 5; ++i) { ItemStack itemstack = ((EntityLiving) this.tracker).getEquipment(i); if (itemstack != null) { entityplayer.playerConnection.sendPacket(new Packet5EntityEquipment(this.tracker.id, i, itemstack)); } } } if (this.tracker instanceof EntityHuman) { EntityHuman entityhuman = (EntityHuman) this.tracker; if (entityhuman.isSleeping()) { entityplayer.playerConnection.sendPacket(new Packet17EntityLocationAction(this.tracker, 0, MathHelper.floor(this.tracker.locX), MathHelper.floor(this.tracker.locY), MathHelper.floor(this.tracker.locZ))); } } // CraftBukkit start - Fix for nonsensical head yaw this.i = MathHelper.d(this.tracker.ap() * 256.0F / 360.0F); // tracker.am() should be getHeadRotation this.broadcast(new Packet35EntityHeadRotation(this.tracker.id, (byte) i)); // CraftBukkit end if (this.tracker instanceof EntityLiving) { EntityLiving entityliving = (EntityLiving) this.tracker; Iterator iterator = entityliving.getEffects().iterator(); while (iterator.hasNext()) { MobEffect mobeffect = (MobEffect) iterator.next(); entityplayer.playerConnection.sendPacket(new Packet41MobEffect(this.tracker.id, mobeffect)); } } } } else if (this.trackedPlayers.contains(entityplayer)) { this.trackedPlayers.remove(entityplayer); entityplayer.removeQueue.add(Integer.valueOf(this.tracker.id)); } } } private boolean d(EntityPlayer entityplayer) { return entityplayer.p().getPlayerChunkMap().a(entityplayer, this.tracker.ai, this.tracker.ak); } public void scanPlayers(List list) { for (int i = 0; i < list.size(); ++i) { this.updatePlayer((EntityPlayer) list.get(i)); } } private Packet b() { if (this.tracker.dead) { // CraftBukkit start - remove useless error spam, just return // System.out.println("Fetching addPacket for removed entity"); return null; // CraftBukkit end } if (this.tracker instanceof EntityItem) { return new Packet23VehicleSpawn(this.tracker, 2, 1); } else if (this.tracker instanceof EntityPlayer) { return new Packet20NamedEntitySpawn((EntityHuman) this.tracker); } else { if (this.tracker instanceof EntityMinecart) { EntityMinecart entityminecart = (EntityMinecart) this.tracker; if (entityminecart.type == 0) { return new Packet23VehicleSpawn(this.tracker, 10); } if (entityminecart.type == 1) { return new Packet23VehicleSpawn(this.tracker, 11); } if (entityminecart.type == 2) { return new Packet23VehicleSpawn(this.tracker, 12); } } if (this.tracker instanceof EntityBoat) { return new Packet23VehicleSpawn(this.tracker, 1); } else if (!(this.tracker instanceof IAnimal) && !(this.tracker instanceof EntityEnderDragon)) { if (this.tracker instanceof EntityFishingHook) { EntityHuman entityhuman = ((EntityFishingHook) this.tracker).owner; return new Packet23VehicleSpawn(this.tracker, 90, entityhuman != null ? entityhuman.id : this.tracker.id); } else if (this.tracker instanceof EntityArrow) { Entity entity = ((EntityArrow) this.tracker).shooter; return new Packet23VehicleSpawn(this.tracker, 60, entity != null ? entity.id : this.tracker.id); } else if (this.tracker instanceof EntitySnowball) { return new Packet23VehicleSpawn(this.tracker, 61); } else if (this.tracker instanceof EntityPotion) { return new Packet23VehicleSpawn(this.tracker, 73, ((EntityPotion) this.tracker).getPotionValue()); } else if (this.tracker instanceof EntityThrownExpBottle) { return new Packet23VehicleSpawn(this.tracker, 75); } else if (this.tracker instanceof EntityEnderPearl) { return new Packet23VehicleSpawn(this.tracker, 65); } else if (this.tracker instanceof EntityEnderSignal) { return new Packet23VehicleSpawn(this.tracker, 72); } else if (this.tracker instanceof EntityFireworks) { return new Packet23VehicleSpawn(this.tracker, 76); } else { Packet23VehicleSpawn packet23vehiclespawn; if (this.tracker instanceof EntityFireball) { EntityFireball entityfireball = (EntityFireball) this.tracker; packet23vehiclespawn = null; byte b0 = 63; if (this.tracker instanceof EntitySmallFireball) { b0 = 64; } else if (this.tracker instanceof EntityWitherSkull) { b0 = 66; } if (entityfireball.shooter != null) { packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, b0, ((EntityFireball) this.tracker).shooter.id); } else { packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, b0, 0); } packet23vehiclespawn.e = (int) (entityfireball.dirX * 8000.0D); packet23vehiclespawn.f = (int) (entityfireball.dirY * 8000.0D); packet23vehiclespawn.g = (int) (entityfireball.dirZ * 8000.0D); return packet23vehiclespawn; } else if (this.tracker instanceof EntityEgg) { return new Packet23VehicleSpawn(this.tracker, 62); } else if (this.tracker instanceof EntityTNTPrimed) { return new Packet23VehicleSpawn(this.tracker, 50); } else if (this.tracker instanceof EntityEnderCrystal) { return new Packet23VehicleSpawn(this.tracker, 51); } else if (this.tracker instanceof EntityFallingBlock) { EntityFallingBlock entityfallingblock = (EntityFallingBlock) this.tracker; return new Packet23VehicleSpawn(this.tracker, 70, entityfallingblock.id | entityfallingblock.data << 16); } else if (this.tracker instanceof EntityPainting) { return new Packet25EntityPainting((EntityPainting) this.tracker); } else if (this.tracker instanceof EntityItemFrame) { EntityItemFrame entityitemframe = (EntityItemFrame) this.tracker; packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 71, entityitemframe.direction); packet23vehiclespawn.b = MathHelper.d((float) (entityitemframe.x * 32)); packet23vehiclespawn.c = MathHelper.d((float) (entityitemframe.y * 32)); packet23vehiclespawn.d = MathHelper.d((float) (entityitemframe.z * 32)); return packet23vehiclespawn; } else if (this.tracker instanceof EntityExperienceOrb) { return new Packet26AddExpOrb((EntityExperienceOrb) this.tracker); } else { throw new IllegalArgumentException("Don\'t know how to add " + this.tracker.getClass() + "!"); } } } else { this.i = MathHelper.d(this.tracker.ap() * 256.0F / 360.0F); return new Packet24MobSpawn((EntityLiving) this.tracker); } } } public void clear(EntityPlayer entityplayer) { if (this.trackedPlayers.contains(entityplayer)) { this.trackedPlayers.remove(entityplayer); entityplayer.removeQueue.add(Integer.valueOf(this.tracker.id)); } } }