package net.minecraft.server; import java.util.ArrayList; import java.util.HashMap; import java.util.Map; import java.util.logging.Logger; // CraftBukkit start import java.util.logging.Level; import org.bukkit.ChatColor; import org.bukkit.Location; import org.bukkit.command.CommandException; import org.bukkit.craftbukkit.block.CraftBlock; import org.bukkit.craftbukkit.entity.CraftPlayer; import org.bukkit.craftbukkit.event.CraftEventFactory; import org.bukkit.craftbukkit.CraftServer; import org.bukkit.craftbukkit.TextWrapper; import org.bukkit.entity.Player; import org.bukkit.event.Event; import org.bukkit.event.block.*; import org.bukkit.event.player.*; // CraftBukkit end public class NetServerHandler extends NetHandler implements ICommandListener { public static Logger a = Logger.getLogger("Minecraft"); public NetworkManager networkManager; public boolean disconnected = false; private MinecraftServer minecraftServer; public EntityPlayer player; // CraftBukkit - private -> public private int f; private int g; private int h; private boolean i; private double x; private double y; private double z; private boolean m = true; private Map n = new HashMap(); public NetServerHandler(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayer entityplayer) { this.minecraftServer = minecraftserver; this.networkManager = networkmanager; networkmanager.a((NetHandler) this); this.player = entityplayer; entityplayer.netServerHandler = this; // CraftBukkit start server = minecraftserver.server; } private final CraftServer server; private int lastTick = MinecraftServer.currentTick; private static final int PLACE_DISTANCE_SQUARED = 6 * 6; // Get position of last block hit for BlockDamageLevel.STOPPED private double lastPosX = Double.MAX_VALUE; private double lastPosY = Double.MAX_VALUE; private double lastPosZ = Double.MAX_VALUE; private float lastPitch = Float.MAX_VALUE; private float lastYaw = Float.MAX_VALUE; // For the packet15 hack :( Long lastPacket; // Store the last block right clicked and what type it was private int lastMaterial; public Player getPlayer() { return (this.player == null) ? null : (CraftPlayer) player.getBukkitEntity(); } // CraftBukkit end public void a() { this.i = false; this.networkManager.b(); if (this.f - this.g > 20) { this.sendPacket(new Packet0KeepAlive()); } } public void disconnect(String s) { // CraftBukkit start String leaveMessage = "\u00A7e" + this.player.name + " left the game."; PlayerKickEvent event = new PlayerKickEvent(server.getPlayer(this.player), s, leaveMessage); server.getPluginManager().callEvent(event); if (event.isCancelled()) { // Do not kick the player return; } // Send the possibly modified leave message s = event.getReason(); // CraftBukkit end this.player.A(); this.sendPacket(new Packet255KickDisconnect(s)); this.networkManager.d(); //CraftBukkit start leaveMessage = event.getLeaveMessage(); if (leaveMessage != null) { this.minecraftServer.serverConfigurationManager.sendAll(new Packet3Chat(leaveMessage)); } // CraftBukkit end this.minecraftServer.serverConfigurationManager.disconnect(this.player); this.disconnected = true; } public void a(Packet27 packet27) { this.player.a(packet27.c(), packet27.e(), packet27.g(), packet27.h(), packet27.d(), packet27.f()); } public void a(Packet10Flying packet10flying) { WorldServer worldserver = this.minecraftServer.a(this.player.dimension); this.i = true; double d0; if (!this.m) { d0 = packet10flying.y - this.y; if (packet10flying.x == this.x && d0 * d0 < 0.01D && packet10flying.z == this.z) { this.m = true; } } // CraftBukkit start Player player = getPlayer(); Location from = new Location(player.getWorld(), lastPosX, lastPosY, lastPosZ, lastYaw, lastPitch); Location to = player.getLocation(); // Prevent 40 event-calls for less than b single pixel of movement >.> double delta = Math.pow(this.lastPosX - this.x, 2) + Math.pow(this.lastPosY - this.y, 2) + Math.pow(this.lastPosZ - this.z, 2); float deltaAngle = Math.abs(this.lastYaw - this.player.yaw) + Math.abs(this.lastPitch - this.player.pitch); if (delta > 1f/256 || deltaAngle > 10f) { // Skip the first time we do this if (lastPosX != Double.MAX_VALUE) { PlayerMoveEvent event = new PlayerMoveEvent(player, from, to); server.getPluginManager().callEvent(event); from = event.getFrom(); to = event.isCancelled() ? from : event.getTo(); this.player.locX = to.getX(); this.player.locY = to.getY(); this.player.locZ = to.getZ(); this.player.yaw = to.getYaw(); this.player.pitch = to.getPitch(); } this.lastPosX = this.player.locX; this.lastPosY = this.player.locY; this.lastPosZ = this.player.locZ; this.lastYaw = this.player.yaw; this.lastPitch = this.player.pitch; } if (Math.abs(packet10flying.x) > 32000000 || Math.abs(packet10flying.z) > 32000000) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to crash the server with an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.x) || packet10flying.x == Double.POSITIVE_INFINITY || packet10flying.x == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.y) || packet10flying.y == Double.POSITIVE_INFINITY || packet10flying.y == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.z) || packet10flying.z == Double.POSITIVE_INFINITY || packet10flying.z == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.stance) || packet10flying.stance == Double.POSITIVE_INFINITY || packet10flying.stance == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (this.m && !this.player.dead) { // CraftBukkit end double d1; double d2; double d3; double d4; if (this.player.vehicle != null) { float f = this.player.yaw; float f1 = this.player.pitch; this.player.vehicle.f(); d1 = this.player.locX; d2 = this.player.locY; d3 = this.player.locZ; double d5 = 0.0D; d4 = 0.0D; if (packet10flying.hasLook) { f = packet10flying.yaw; f1 = packet10flying.pitch; } if (packet10flying.h && packet10flying.y == -999.0D && packet10flying.stance == -999.0D) { d5 = packet10flying.x; d4 = packet10flying.z; } this.player.onGround = packet10flying.g; this.player = this.player.a(true); // CraftBukkit this.player.move(d5, 0.0D, d4); this.player.setLocation(d1, d2, d3, f, f1); this.player.motX = d5; this.player.motZ = d4; if (this.player.vehicle != null) { worldserver.vehicleEnteredWorld(this.player.vehicle, true); } if (this.player.vehicle != null) { this.player.vehicle.f(); } this.minecraftServer.serverConfigurationManager.d(this.player); this.x = this.player.locX; this.y = this.player.locY; this.z = this.player.locZ; worldserver.playerJoinedWorld(this.player); return; } if (this.player.isSleeping()) { this.player.a(true); this.player.setLocation(this.x, this.y, this.z, this.player.yaw, this.player.pitch); worldserver.playerJoinedWorld(this.player); return; } d0 = this.player.locY; this.x = this.player.locX; this.y = this.player.locY; this.z = this.player.locZ; d1 = this.player.locX; d2 = this.player.locY; d3 = this.player.locZ; float f2 = this.player.yaw; float f3 = this.player.pitch; if (packet10flying.h && packet10flying.y == -999.0D && packet10flying.stance == -999.0D) { packet10flying.h = false; } if (packet10flying.h) { d1 = packet10flying.x; d2 = packet10flying.y; d3 = packet10flying.z; d4 = packet10flying.stance - packet10flying.y; if (!this.player.isSleeping() && (d4 > 1.65D || d4 < 0.1D)) { this.disconnect("Illegal stance"); a.warning(this.player.name + " had an illegal stance: " + d4); return; } if (Math.abs(packet10flying.x) > 3.2E7D || Math.abs(packet10flying.z) > 3.2E7D) { this.disconnect("Illegal position"); return; } } if (packet10flying.hasLook) { f2 = packet10flying.yaw; f3 = packet10flying.pitch; } this.player.a(true); this.player.br = 0.0F; this.player.setLocation(this.x, this.y, this.z, f2, f3); if (!this.m) { return; } d4 = d1 - this.player.locX; double d6 = d2 - this.player.locY; double d7 = d3 - this.player.locZ; double d8 = d4 * d4 + d6 * d6 + d7 * d7; // CraftBukkit start - make the movement speed check behave properly under tick degradation. int elapsedTicks = MinecraftServer.currentTick - this.lastTick; // Added this.m condition to solve this check being triggered by teleports if (d8 > 100.0D * (elapsedTicks <= 0 ? 1 : elapsedTicks) && this.m) { a.warning(this.player.name + " moved too quickly! Elapsed ticks: " + (elapsedTicks == 0 ? 1 : elapsedTicks) + ", Distance change: " + d8); this.disconnect("You moved too quickly :( (Hacking?)"); return; } this.lastTick = MinecraftServer.currentTick; // CraftBukkit end float f4 = 0.0625F; boolean flag = worldserver.getEntities(this.player, this.player.boundingBox.clone().shrink((double) f4, (double) f4, (double) f4)).size() == 0; this.player.move(d4, d6, d7); d4 = d1 - this.player.locX; d6 = d2 - this.player.locY; if (d6 > -0.5D || d6 < 0.5D) { d6 = 0.0D; } d7 = d3 - this.player.locZ; d8 = d4 * d4 + d6 * d6 + d7 * d7; boolean flag1 = false; if (d8 > 0.0625D && !this.player.isSleeping()) { flag1 = true; a.warning(this.player.name + " moved wrongly!"); System.out.println("Got position " + d1 + ", " + d2 + ", " + d3); System.out.println("Expected " + this.player.locX + ", " + this.player.locY + ", " + this.player.locZ); } this.player.setLocation(d1, d2, d3, f2, f3); boolean flag2 = worldserver.getEntities(this.player, this.player.boundingBox.clone().shrink((double) f4, (double) f4, (double) f4)).size() == 0; if (flag && (flag1 || !flag2) && !this.player.isSleeping()) { this.a(this.x, this.y, this.z, f2, f3); return; } AxisAlignedBB axisalignedbb = this.player.boundingBox.clone().b((double) f4, (double) f4, (double) f4).a(0.0D, -0.55D, 0.0D); if (!this.minecraftServer.o && !worldserver.b(axisalignedbb)) { if (d6 >= -0.03125D) { ++this.h; if (this.h > 80) { a.warning(this.player.name + " was kicked for floating too long!"); this.disconnect("Flying is not enabled on this server"); return; } } } else { this.h = 0; } this.player.onGround = packet10flying.g; this.minecraftServer.serverConfigurationManager.d(this.player); this.player.b(this.player.locY - d0, packet10flying.g); } } public void a(double d0, double d1, double d2, float f, float f1) { // CraftBukkit start - Delegate to teleport(Location) teleport(new Location(getPlayer().getWorld(), d0, d1, d2, f, f1)); } public boolean teleport(Location dest) { // Note: the world in location is used only for the event // Inter-world teleportation is handled in CraftPlayer.teleport() Player player = getPlayer(); Location from = player.getLocation(); Location to = dest.clone(); PlayerTeleportEvent event = new PlayerTeleportEvent(player, from, to); server.getPluginManager().callEvent(event); from = event.getFrom(); to = event.isCancelled() ? from : event.getTo(); double d0, d1, d2; float f, f1; d0 = to.getX(); d1 = to.getY(); d2 = to.getZ(); f = to.getYaw(); f1 = to.getPitch(); // TODO: make sure this is the best way to address this. if (Float.isNaN(f)) { f = 0; } if (Float.isNaN(f1)) { f1 = 0; } // CraftBukkit end this.m = false; this.x = d0; this.y = d1; this.z = d2; this.player.setLocation(d0, d1, d2, f, f1); this.player.netServerHandler.sendPacket(new Packet13PlayerLookMove(d0, d1 + 1.6200000047683716D, d1, d2, f, f1, false)); // CraftBukkit - Returns TRUE if the teleport was successful return !event.isCancelled(); } public void a(Packet14BlockDig packet14blockdig) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end WorldServer worldserver = this.minecraftServer.a(this.player.dimension); if (packet14blockdig.e == 4) { this.player.E(); } else { boolean flag = worldserver.weirdIsOpCache = worldserver.dimension != 0 || this.minecraftServer.serverConfigurationManager.isOp(this.player.name); boolean flag1 = false; if (packet14blockdig.e == 0) { flag1 = true; } if (packet14blockdig.e == 2) { flag1 = true; } int i = packet14blockdig.a; int j = packet14blockdig.b; int k = packet14blockdig.c; if (flag1) { double d0 = this.player.locX - ((double) i + 0.5D); double d1 = this.player.locY - ((double) j + 0.5D); double d2 = this.player.locZ - ((double) k + 0.5D); double d3 = d0 * d0 + d1 * d1 + d2 * d2; if (d3 > 36.0D) { return; } } ChunkCoordinates chunkcoordinates = worldserver.getSpawn(); int l = (int) MathHelper.abs((float) (i - chunkcoordinates.x)); int i1 = (int) MathHelper.abs((float) (k - chunkcoordinates.z)); if (l > i1) { i1 = l; } if (packet14blockdig.e == 0) { // CraftBukkit if (i1 < this.minecraftServer.spawnProtection && !flag) { this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } else { // CraftBukkit - add face argument this.player.itemInWorldManager.dig(i, j, k, packet14blockdig.face); } } else if (packet14blockdig.e == 2) { this.player.itemInWorldManager.a(i, j, k); if (worldserver.getTypeId(i, j, k) != 0) { this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } } else if (packet14blockdig.e == 3) { double d4 = this.player.locX - ((double) i + 0.5D); double d5 = this.player.locY - ((double) j + 0.5D); double d6 = this.player.locZ - ((double) k + 0.5D); double d7 = d4 * d4 + d5 * d5 + d6 * d6; if (d7 < 256.0D) { this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } } worldserver.weirdIsOpCache = false; } } public void a(Packet15Place packet15place) { WorldServer worldserver = this.minecraftServer.a(this.player.dimension); // CraftBukkit start if (this.player.dead) { return; } // This is b horrible hack needed because the client sends 2 packets on 'right mouse click' // aimed at b block. We shouldn't need to get the second packet if the data is handled // but we cannot know what the client will do, so we might still get it // // If the time between packets is small enough, and the 'signature' similar, we discard the // second one. This sadly has to remain until Mojang makes their packets saner. :( // -- Grum if (packet15place.face == 255) { if (packet15place.itemstack != null && packet15place.itemstack.id == lastMaterial && lastPacket != null && packet15place.timestamp - lastPacket < 100) { lastPacket = null; return; } } else { lastMaterial = packet15place.itemstack == null ? -1 : packet15place.itemstack.id; lastPacket = packet15place.timestamp; } // CraftBukkit - if rightclick decremented the item, always send the update packet. // this is not here for CraftBukkit's own functionality; rather it is to fix // b notch bug where the item doesn't update correctly. boolean always = false; // CraftBukkit end ItemStack itemstack = this.player.inventory.getItemInHand(); boolean flag = worldserver.weirdIsOpCache = worldserver.dimension != 0 || this.minecraftServer.serverConfigurationManager.isOp(this.player.name); if (packet15place.face == 255) { if (itemstack == null) { return; } // CraftBukkit start int itemstackAmount = itemstack.count; PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack); if (event.useItemInHand() != Event.Result.DENY) { this.player.itemInWorldManager.useItem(this.player, this.player.world, itemstack); } // CraftBukkit - notch decrements the counter by 1 in the above method with food, // snowballs and so forth, but he does it in b place that doesn't cause the // inventory update packet to get sent always = (itemstack.count != itemstackAmount); // CraftBukkit end } else { int i = packet15place.a; int j = packet15place.b; int k = packet15place.c; int l = packet15place.face; ChunkCoordinates chunkcoordinates = worldserver.getSpawn(); int i1 = (int) MathHelper.abs((float) (i - chunkcoordinates.x)); int j1 = (int) MathHelper.abs((float) (k - chunkcoordinates.z)); if (i1 > j1) { j1 = i1; } // CraftBukkit start - Check if we can actually do something over this large a distance Location eyeLoc = getPlayer().getEyeLocation(); if (Math.pow(eyeLoc.getX() - i, 2) + Math.pow(eyeLoc.getY() - j, 2) + Math.pow(eyeLoc.getZ() - k, 2) > PLACE_DISTANCE_SQUARED) { return; } flag = true; // spawn protection moved to ItemBlock!!! // CraftBukkit end if (j1 > 16 || flag) { this.player.itemInWorldManager.interact(this.player, worldserver, itemstack, i, j, k, l); } this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); if (l == 0) { --j; } if (l == 1) { ++j; } if (l == 2) { --k; } if (l == 3) { ++k; } if (l == 4) { --i; } if (l == 5) { ++i; } this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } itemstack = this.player.inventory.getItemInHand(); if (itemstack != null && itemstack.count == 0) { this.player.inventory.items[this.player.inventory.itemInHandIndex] = null; } this.player.h = true; this.player.inventory.items[this.player.inventory.itemInHandIndex] = ItemStack.b(this.player.inventory.items[this.player.inventory.itemInHandIndex]); Slot slot = this.player.activeContainer.a(this.player.inventory, this.player.inventory.itemInHandIndex); this.player.activeContainer.a(); this.player.h = false; // CraftBukkit if (!ItemStack.equals(this.player.inventory.getItemInHand(), packet15place.itemstack) || always) { this.sendPacket(new Packet103SetSlot(this.player.activeContainer.f, slot.a, this.player.inventory.getItemInHand())); } worldserver.weirdIsOpCache = false; } public void a(String s, Object[] aobject) { if (this.disconnected) return; // CraftBukkit - rarely it would send b disconnect line twice a.info(this.player.name + " lost connection: " + s); // CraftBukkit start - we need to handle custom quit messages String quitMessage = this.minecraftServer.serverConfigurationManager.disconnect(this.player); if (quitMessage != null) { this.minecraftServer.serverConfigurationManager.sendAll(new Packet3Chat(quitMessage)); } // CraftBukkit end this.disconnected = true; } public void a(Packet packet) { a.warning(this.getClass() + " wasn\'t prepared to deal with a " + packet.getClass()); this.disconnect("Protocol error, unexpected packet"); } public void sendPacket(Packet packet) { // CraftBukkit start if (packet instanceof Packet6SpawnPosition) { Packet6SpawnPosition packet6 = (Packet6SpawnPosition) packet; this.player.compassTarget = new Location(getPlayer().getWorld(), packet6.x, packet6.y, packet6.z); } else if (packet instanceof Packet3Chat) { String message = ((Packet3Chat) packet).a; for (final String line: TextWrapper.wrapText(message)) { this.networkManager.a(new Packet3Chat(line)); } packet = null; } if (packet != null) this.networkManager.a(packet); // CraftBukkit end this.g = this.f; } public void a(Packet16BlockItemSwitch packet16blockitemswitch) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end if (packet16blockitemswitch.itemInHandIndex >= 0 && packet16blockitemswitch.itemInHandIndex <= InventoryPlayer.e()) { // CraftBukkit start PlayerItemHeldEvent event = new PlayerItemHeldEvent(getPlayer(), this.player.inventory.itemInHandIndex, packet16blockitemswitch.itemInHandIndex); server.getPluginManager().callEvent(event); // CraftBukkit end this.player.inventory.itemInHandIndex = packet16blockitemswitch.itemInHandIndex; } else { a.warning(this.player.name + " tried to set an invalid carried item"); } } public void a(Packet3Chat packet3chat) { String s = packet3chat.a; if (s.length() > 100) { this.disconnect("Chat message too long"); } else { s = s.trim(); for (int i = 0; i < s.length(); ++i) { if (FontAllowedCharacters.a.indexOf(s.charAt(i)) < 0) { this.disconnect("Illegal characters in chat"); return; } } // CraftBukkit start chat(s); } } public boolean chat(String s) { if (!this.player.dead) { if (s.startsWith("/")) { this.handleCommand(s); return true; } else { Player player = getPlayer(); PlayerChatEvent event = new PlayerChatEvent(player, s); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return true; } s = String.format(event.getFormat(), event.getPlayer().getDisplayName(), event.getMessage()); a.info(s); for (Player recipient : event.getRecipients()) { recipient.sendMessage(s); } } } return false; // CraftBukkit end } private void handleCommand(String s) { // CraftBukkit start CraftPlayer player = (CraftPlayer) getPlayer(); PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(player, s); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } try { if (server.dispatchCommand(player, s.substring(1))) { return; } } catch (CommandException ex) { player.sendMessage(ChatColor.RED + "An internal error occurred while attempting to perform this command"); Logger.getLogger(NetServerHandler.class.getName()).log(Level.SEVERE, null, ex); return; } // CraftBukkit end if (s.toLowerCase().startsWith("/me ")) { s = "* " + this.player.name + " " + s.substring(s.indexOf(" ")).trim(); a.info(s); this.minecraftServer.serverConfigurationManager.sendAll(new Packet3Chat(s)); } else if (s.toLowerCase().startsWith("/kill")) { this.player.damageEntity((Entity) null, 1000); } else if (s.toLowerCase().startsWith("/tell ")) { String[] astring = s.split(" "); if (astring.length >= 3) { s = s.substring(s.indexOf(" ")).trim(); s = s.substring(s.indexOf(" ")).trim(); s = "\u00A77" + this.player.name + " whispers " + s; a.info(s + " to " + astring[1]); if (!this.minecraftServer.serverConfigurationManager.a(astring[1], (Packet) (new Packet3Chat(s)))) { this.sendPacket(new Packet3Chat("\u00A7cThere\'s no player by that name online.")); } } /* CraftBukkit start - No longer neaded av we have already handled it server.dispatchCommand above. } else { String s1; if (this.minecraftServer.serverConfigurationManager.isOp(this.player.name)) { s1 = s.substring(1); a.info(this.player.name + " issued server command: " + s1); this.minecraftServer.issueCommand(s1, this); } else { s1 = s.substring(1); a.info(this.player.name + " tried command: " + s1); } */ // CraftBukkit end } } public void a(Packet18ArmAnimation packet18armanimation) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end if (packet18armanimation.b == 1) { // CraftBukkit start - raytrace to look for 'rogue armswings' float f = 1.0F; float f1 = this.player.lastPitch + (this.player.pitch - this.player.lastPitch) * f; float f2 = this.player.lastYaw + (this.player.yaw - this.player.lastYaw) * f; double d0 = this.player.lastX + (this.player.locX - this.player.lastX) * (double) f; double d1 = this.player.lastY + (this.player.locY - this.player.lastY) * (double) f + 1.62D - (double) this.player.height; double d2 = this.player.lastZ + (this.player.locZ - this.player.lastZ) * (double) f; Vec3D vec3d = Vec3D.create(d0, d1, d2); float f3 = MathHelper.cos(-f2 * 0.017453292F - 3.1415927F); float f4 = MathHelper.sin(-f2 * 0.017453292F - 3.1415927F); float f5 = -MathHelper.cos(-f1 * 0.017453292F); float f6 = MathHelper.sin(-f1 * 0.017453292F); float f7 = f4 * f5; float f8 = f3 * f5; double d3 = 5.0D; Vec3D vec3d1 = vec3d.add((double) f7 * d3, (double) f6 * d3, (double) f8 * d3); MovingObjectPosition movingobjectposition = this.player.world.rayTrace(vec3d, vec3d1, true); if (movingobjectposition == null || movingobjectposition.type != EnumMovingObjectType.TILE) { CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_AIR, this.player.inventory.getItemInHand()); } // Arm swing animation Player player = getPlayer(); PlayerAnimationEvent event = new PlayerAnimationEvent(player); server.getPluginManager().callEvent(event); // CraftBukkit end this.player.k_(); } } public void a(Packet19EntityAction packet19entityaction) { // CraftBukkit start if (this.player.dead) { return; } if (packet19entityaction.animation == 1 || packet19entityaction.animation == 2) { Player player = getPlayer(); PlayerToggleSneakEvent event = new PlayerToggleSneakEvent(player); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } } // CraftBukkit end if (packet19entityaction.animation == 1) { this.player.setSneak(true); } else if (packet19entityaction.animation == 2) { this.player.setSneak(false); } else if (packet19entityaction.animation == 3) { this.player.a(false, true, true); this.m = false; } } public void a(Packet255KickDisconnect packet255kickdisconnect) { this.networkManager.a("disconnect.quitting", new Object[0]); } public int b() { return this.networkManager.e(); } public void sendMessage(String s) { this.sendPacket(new Packet3Chat("\u00A77" + s)); } public String getName() { return this.player.name; } public void a(Packet7UseEntity packet7useentity) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end WorldServer worldserver = this.minecraftServer.a(this.player.dimension); Entity entity = worldserver.getEntity(packet7useentity.target); if (entity != null && this.player.e(entity) && this.player.g(entity) < 36.0D) { if (packet7useentity.c == 0) { // CraftBukkit start PlayerInteractEntityEvent piee = new PlayerInteractEntityEvent((Player) getPlayer(), entity.getBukkitEntity()); server.getPluginManager().callEvent(piee); if (piee.isCancelled()) { return; } // CraftBukkit end this.player.c(entity); } else if (packet7useentity.c == 1) { this.player.d(entity); } } } public void a(Packet9Respawn packet9respawn) { if (this.player.health <= 0) { this.player = this.minecraftServer.serverConfigurationManager.a(this.player, 0); // CraftBukkit start CraftPlayer player = (CraftPlayer) getPlayer(); player.setHandle(this.player); // CraftBukkit end } } public void a(Packet101CloseWindow packet101closewindow) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end this.player.z(); } public void a(Packet102WindowClick packet102windowclick) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end if (this.player.activeContainer.f == packet102windowclick.a && this.player.activeContainer.c(this.player)) { ItemStack itemstack = this.player.activeContainer.a(packet102windowclick.b, packet102windowclick.c, packet102windowclick.f, this.player); if (ItemStack.equals(packet102windowclick.e, itemstack)) { this.player.netServerHandler.sendPacket(new Packet106Transaction(packet102windowclick.a, packet102windowclick.d, true)); this.player.h = true; this.player.activeContainer.a(); this.player.y(); this.player.h = false; } else { this.n.put(Integer.valueOf(this.player.activeContainer.f), Short.valueOf(packet102windowclick.d)); this.player.netServerHandler.sendPacket(new Packet106Transaction(packet102windowclick.a, packet102windowclick.d, false)); this.player.activeContainer.a(this.player, false); ArrayList arraylist = new ArrayList(); for (int i = 0; i < this.player.activeContainer.e.size(); ++i) { arraylist.add(((Slot) this.player.activeContainer.e.get(i)).getItem()); } this.player.a(this.player.activeContainer, arraylist); } } } public void a(Packet106Transaction packet106transaction) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end Short oshort = (Short) this.n.get(Integer.valueOf(this.player.activeContainer.f)); if (oshort != null && packet106transaction.b == oshort.shortValue() && this.player.activeContainer.f == packet106transaction.a && !this.player.activeContainer.c(this.player)) { this.player.activeContainer.a(this.player, true); } } public void a(Packet130UpdateSign packet130updatesign) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end // WorldServer worldserver = this.minecraftServer.a(this.player.dimension); if (worldserver.isLoaded(packet130updatesign.x, packet130updatesign.y, packet130updatesign.z)) { TileEntity tileentity = worldserver.getTileEntity(packet130updatesign.x, packet130updatesign.y, packet130updatesign.z); if (tileentity instanceof TileEntitySign) { TileEntitySign tileentitysign = (TileEntitySign) tileentity; if (!tileentitysign.a()) { this.minecraftServer.c("Player " + this.player.name + " just tried to change non-editable sign"); // CraftBukkit this.sendPacket(new Packet130UpdateSign(packet130updatesign.x, packet130updatesign.y, packet130updatesign.z, tileentitysign.lines)); return; } } int i; int j; for (j = 0; j < 4; ++j) { boolean flag = true; if (packet130updatesign.lines[j].length() > 15) { flag = false; } else { for (i = 0; i < packet130updatesign.lines[j].length(); ++i) { if (FontAllowedCharacters.a.indexOf(packet130updatesign.lines[j].charAt(i)) < 0) { flag = false; } } } if (!flag) { packet130updatesign.lines[j] = "!?"; } } if (tileentity instanceof TileEntitySign) { j = packet130updatesign.x; int k = packet130updatesign.y; i = packet130updatesign.z; TileEntitySign tileentitysign1 = (TileEntitySign) tileentity; // CraftBukkit start Player player = server.getPlayer(this.player); SignChangeEvent event = new SignChangeEvent((CraftBlock) player.getWorld().getBlockAt(j, k, i), server.getPlayer(this.player), packet130updatesign.lines); server.getPluginManager().callEvent(event); if (!event.isCancelled()) { for (int l = 0; l < 4; ++l) { tileentitysign1.lines[l] = event.getLine(l); } tileentitysign1.setEditable(false); } // CraftBukkit end tileentitysign1.update(); worldserver.notify(j, k, i); } } } public boolean c() { return true; } }