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.block.BlockFace; import org.bukkit.block.BlockDamageLevel; import org.bukkit.Location; import org.bukkit.command.CommandException; import org.bukkit.craftbukkit.block.CraftBlock; import org.bukkit.craftbukkit.inventory.CraftItemStack; import org.bukkit.craftbukkit.entity.CraftPlayer; import org.bukkit.craftbukkit.CraftServer; import org.bukkit.craftbukkit.TextWrapper; import org.bukkit.entity.Player; import org.bukkit.event.Event.Type; 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 b; public boolean c = false; private MinecraftServer d; public EntityPlayer e; // CraftBukkit - private->public private int f; private int g; private boolean h; private double i; private double j; private double k; private boolean l = true; private Map m = new HashMap(); public NetServerHandler(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayer entityplayer) { this.d = minecraftserver; this.b = networkmanager; networkmanager.a((NetHandler) this); this.e = entityplayer; entityplayer.a = this; // CraftBukkit start server = minecraftserver.server; } private final CraftServer server; // Get position of last block hit for BlockDamageLevel.STOPPED private int lastX; private int lastY; private int lastZ; // Store the last block right clicked and what type it was private CraftBlock lastRightClicked; private int lastMaterial; public CraftPlayer getPlayer() { return (e == null) ? null : (CraftPlayer) e.getBukkitEntity(); } // CraftBukkit end public void a() { this.h = false; this.b.a(); if (this.f - this.g > 20) { this.b((Packet) (new Packet0KeepAlive())); } } public void a(String s) { // CraftBukkit start String leaveMessage = "\u00A7e" + this.e.name + " left the game."; PlayerKickEvent event = new PlayerKickEvent(org.bukkit.event.Event.Type.PLAYER_KICK, server.getPlayer(this.e), s, leaveMessage); server.getPluginManager().callEvent(event); if (event.isCancelled()) { // Do not kick the player return; } // Send the possibly modified leave message this.b.a((Packet) (new Packet255KickDisconnect( event.getReason() ))); this.b.c(); this.d.f.a((Packet) (new Packet3Chat( event.getLeaveMessage() ))); // CraftBukkit end this.d.f.c(this.e); this.c = true; } public void a(Packet27 packet27) { this.e.a(packet27.c(), packet27.e(), packet27.g(), packet27.h(), packet27.d(), packet27.f()); } public void a(Packet10Flying packet10flying) { this.h = true; double d0; if (!this.l) { d0 = packet10flying.b - this.j; if (packet10flying.a == this.i && d0 * d0 < 0.01D && packet10flying.c == this.k) { this.l = true; } } // CraftBukkit start Player player = getPlayer(); Location from = new Location(player.getWorld(), i, j, k, this.e.yaw, this.e.pitch); Location to = player.getLocation(); if (!from.equals(to)) { PlayerMoveEvent event = new PlayerMoveEvent(Type.PLAYER_MOVE, player, from, to); server.getPluginManager().callEvent(event); from = event.getFrom(); to = event.isCancelled() ? from : event.getTo(); this.e.locX = to.getX(); this.e.locY = to.getY(); this.e.locZ = to.getZ(); this.e.yaw = to.getYaw(); this.e.pitch = to.getPitch(); } // CraftBukkit end if (this.l) { double d1; double d2; double d3; double d4; if (this.e.vehicle != null) { float f = this.e.yaw; float f1 = this.e.pitch; this.e.vehicle.h_(); d1 = this.e.locX; d2 = this.e.locY; d3 = this.e.locZ; double d5 = 0.0D; d4 = 0.0D; if (packet10flying.i) { f = packet10flying.e; f1 = packet10flying.f; } if (packet10flying.h && packet10flying.b == -999.0D && packet10flying.d == -999.0D) { d5 = packet10flying.a; d4 = packet10flying.c; } this.e.onGround = packet10flying.g; this.e.a(true); this.e.c(d5, 0.0D, d4); this.e.b(d1, d2, d3, f, f1); this.e.motX = d5; this.e.motZ = d4; if (this.e.vehicle != null) { // CraftBukkit ((WorldServer) this.e.world).b(this.e.vehicle, true); } if (this.e.vehicle != null) { this.e.vehicle.h_(); } this.d.f.b(this.e); this.i = this.e.locX; this.j = this.e.locY; this.k = this.e.locZ; // CraftBukkit this.e.world.f(this.e); return; } d0 = this.e.locY; this.i = this.e.locX; this.j = this.e.locY; this.k = this.e.locZ; d1 = this.e.locX; d2 = this.e.locY; d3 = this.e.locZ; float f2 = this.e.yaw; float f3 = this.e.pitch; if (packet10flying.h && packet10flying.b == -999.0D && packet10flying.d == -999.0D) { packet10flying.h = false; } if (packet10flying.h) { d1 = packet10flying.a; d2 = packet10flying.b; d3 = packet10flying.c; d4 = packet10flying.d - packet10flying.b; if (d4 > 1.65D || d4 < 0.1D) { this.a("Illegal stance"); a.warning(this.e.name + " had an illegal stance: " + d4); } } if (packet10flying.i) { f2 = packet10flying.e; f3 = packet10flying.f; } this.e.a(true); this.e.bl = 0.0F; this.e.b(this.i, this.j, this.k, f2, f3); d4 = d1 - this.e.locX; double d6 = d2 - this.e.locY; double d7 = d3 - this.e.locZ; float f4 = 0.0625F; // CraftBukkit boolean flag = this.e.world.a(this.e, this.e.boundingBox.b().e((double) f4, (double) f4, (double) f4)).size() == 0; this.e.c(d4, d6, d7); d4 = d1 - this.e.locX; d6 = d2 - this.e.locY; if (d6 > -0.5D || d6 < 0.5D) { d6 = 0.0D; } d7 = d3 - this.e.locZ; double d8 = d4 * d4 + d6 * d6 + d7 * d7; boolean flag1 = false; if (d8 > 0.0625D && !this.e.E()) { flag1 = true; a.warning(this.e.name + " moved wrongly!"); System.out.println("Got position " + d1 + ", " + d2 + ", " + d3); System.out.println("Expected " + this.e.locX + ", " + this.e.locY + ", " + this.e.locZ); } this.e.b(d1, d2, d3, f2, f3); // CraftBukkit boolean flag2 = this.e.world.a(this.e, this.e.boundingBox.b().e((double) f4, (double) f4, (double) f4)).size() == 0; if (flag && (flag1 || !flag2) && !this.e.E()) { this.a(this.i, this.j, this.k, f2, f3); return; } this.e.onGround = packet10flying.g; this.d.f.b(this.e); this.e.b(this.e.locY - d0, packet10flying.g); } } public void a(double d0, double d1, double d2, float f, float f1) { // CraftBukkit start Player player = getPlayer(); Location from = player.getLocation(); Location to = new Location(player.getWorld(), d0, d1, d2, f, f1); PlayerMoveEvent event = new PlayerMoveEvent(Type.PLAYER_TELEPORT, player, from, to); server.getPluginManager().callEvent(event); from = event.getFrom(); to = event.isCancelled() ? from : event.getTo(); d0 = to.getX(); d1 = to.getY(); d2 = to.getZ(); f = to.getYaw(); f1 = to.getPitch(); // CraftBukkit end this.l = false; this.i = d0; this.j = d1; this.k = d2; this.e.b(d0, d1, d2, f, f1); this.e.a.b((Packet) (new Packet13PlayerLookMove(d0, d1 + 1.6200000047683716D, d1, d2, f, f1, false))); } public void a(Packet14BlockDig packet14blockdig) { if (packet14blockdig.e == 4) { this.e.y(); } else { // CraftBukkit boolean flag = ((WorldServer) this.e.world).v = this.d.f.h(this.e.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.e.locX - ((double) i + 0.5D); double d1 = this.e.locY - ((double) j + 0.5D); double d2 = this.e.locZ - ((double) k + 0.5D); double d3 = d0 * d0 + d1 * d1 + d2 * d2; if (d3 > 36.0D) { return; } } // CraftBukkit ChunkCoordinates chunkcoordinates = this.e.world.l(); int l = (int) MathHelper.e((float) (i - chunkcoordinates.a)); int i1 = (int) MathHelper.e((float) (k - chunkcoordinates.c)); if (l > i1) { i1 = l; } // CraftBukkit start CraftPlayer player = getPlayer(); CraftBlock block = (CraftBlock) player.getWorld().getBlockAt(i, j, k); int blockId = block.getTypeId(); float damage = 0; if (Block.byId[blockId] != null) { damage = Block.byId[blockId].a(player.getHandle()); // Get amount of damage going to block } // CraftBukkit end if (packet14blockdig.e == 0) { // CraftBukkit start if (i1 > this.d.spawnProtection || flag) { // if (blockId > 0) { BlockDamageEvent event; // If the amount of damage that the player is going to do to the block // is >= 1, then the block is going to break (eg, flowers, torches) if (damage >= 1.0F) { // if we are destroying either a redstone wire with a current greater than 0 or // a redstone torch that is on, then we should notify plugins that this block has // returned to a current value of 0 (since it will once the redstone is destroyed) if ((blockId == Block.REDSTONE_WIRE.id && block.getRawData() > 0) || blockId == Block.REDSTONE_TORCH_ON.id) { server.getPluginManager().callEvent( new BlockRedstoneEvent(block, (blockId == Block.REDSTONE_WIRE.id ? block.getRawData() : 15), 0)); } event = new BlockDamageEvent(Type.BLOCK_DAMAGED, block, BlockDamageLevel.BROKEN, player); } else { event = new BlockDamageEvent(Type.BLOCK_DAMAGED, block, BlockDamageLevel.STARTED, player); } server.getPluginManager().callEvent(event); if (!event.isCancelled()) { this.e.c.a(i, j, k); } else { MinecraftServer.a.info("A plugin cancelled the block start break event"); } // } } } else if (packet14blockdig.e == 2) { // CraftBukkit start - Get last block that the player hit // Otherwise the block is a Bedrock @(0,0,0) block = (CraftBlock) player.getWorld().getBlockAt(lastX, lastY, lastZ); BlockDamageEvent event = new BlockDamageEvent(Type.BLOCK_DAMAGED, block, BlockDamageLevel.STOPPED, player); server.getPluginManager().callEvent(event); if (!event.isCancelled()) { this.e.c.b(i, j, k); } else { MinecraftServer.a.info("A plugin cancelled the block stop break event"); } // CraftBukkit end // } else if (packet14blockdig.e == 1) { // // CraftBukkit start // if (i1 > this.d.spawnProtection || flag) { // BlockDamageEvent event; // // If the amount of damage going to the block plus the current amount // // of damage is greater than 1, the block is going to break. // if (this.e.c.c + damage >= 1.0F) { // // if we are destroying either a redstone wire with a current greater than 0 or // // a redstone torch that is on, then we should notify plugins that this block has // // returned to a current value of 0 (since it will once the redstone is destroyed) // if ((blockId == Block.REDSTONE_WIRE.id && block.getRawData() > 0) || blockId == Block.REDSTONE_TORCH_ON.id) { // server.getPluginManager().callEvent( new BlockRedstoneEvent(block, (blockId == Block.REDSTONE_WIRE.id ? block.getRawData() : 15), 0)); // } // event = new BlockDamageEvent(Type.BLOCK_DAMAGED, block, BlockDamageLevel.BROKEN, player); // } else { // event = new BlockDamageEvent(Type.BLOCK_DAMAGED, block, BlockDamageLevel.DIGGING, player); // } // server.getPluginManager().callEvent(event); // if (event.isCancelled()) { // this.e.c.c = 0; // Reset the amount of damage if stopping break. // } // } // // CraftBukkit end } else if (packet14blockdig.e == 3) { double d4 = this.e.locX - ((double) i + 0.5D); double d5 = this.e.locY - ((double) j + 0.5D); double d6 = this.e.locZ - ((double) k + 0.5D); double d7 = d4 * d4 + d5 * d5 + d6 * d6; if (d7 < 256.0D) { // CraftBukkit this.e.a.b((Packet) (new Packet53BlockChange(i, j, k, this.e.world))); } } // CraftBukkit start lastX = i; lastY = j; lastZ = k; ((WorldServer) this.e.world).v = false; // CraftBukkit end } } public void a(Packet15Place packet15place) { ItemStack itemstack = this.e.inventory.b(); // CraftBukkit start boolean flag = ((WorldServer) this.e.world).v = this.d.f.h(this.e.name); CraftBlock blockClicked = null; BlockFace blockFace = null; if (packet15place.d == 255) { // CraftBukkit ITEM_USE -- if we have a lastRightClicked then it could be a usable location if (packet15place.e != null && packet15place.e.id == lastMaterial) { blockClicked = lastRightClicked; } else if (lastMaterial == 0) { blockClicked = lastRightClicked; } lastRightClicked = null; lastMaterial = 0; } else { // CraftBukkit RIGHTCLICK or BLOCK_PLACE .. or nothing blockClicked = (CraftBlock) ((WorldServer) e.world).getWorld().getBlockAt(packet15place.a, packet15place.b, packet15place.c); lastRightClicked = blockClicked; lastMaterial = (packet15place.e == null) ? 0 : packet15place.e.id; } if (blockClicked != null && itemstack != null) { blockFace = CraftBlock.notchToBlockFace(packet15place.d); } else { blockFace = BlockFace.SELF; } // 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 // a notch bug where the item doesn't update correctly. boolean always = false; // CraftBukkit end if (packet15place.d == 255) { if (itemstack == null) { return; } // CraftBukkit start Type eventType = Type.PLAYER_ITEM; Player who = (this.e == null) ? null : (Player) this.e.getBukkitEntity(); org.bukkit.inventory.ItemStack itemInHand = new CraftItemStack(itemstack); PlayerItemEvent event = new PlayerItemEvent(eventType, who, itemInHand, blockClicked, blockFace); // CraftBukkit We still call this event even in spawn protection. // Don't call this event if using Buckets / signs switch (itemInHand.getType()) { case SIGN: case BUCKET: case WATER_BUCKET: case LAVA_BUCKET: break; default: server.getPluginManager().callEvent(event); } if (!event.isCancelled()) { int itemstackAmount = itemstack.count; this.e.c.a(this.e, this.e.world, itemstack); // CraftBukkit notch decrements the counter by 1 in the above method with food, // snowballs and so forth, but he does it in a place that doesnt 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.d; // CraftBukkit ChunkCoordinates chunkcoordinates = this.e.world.l(); int i1 = (int) MathHelper.e((float) (i - chunkcoordinates.a)); int j1 = (int) MathHelper.e((float) (k - chunkcoordinates.c)); if (i1 > j1) { j1 = i1; } // CraftBukkit start - spawn protection moved to ItemBlock!!! CraftItemStack craftItem = new CraftItemStack(itemstack); Player player = getPlayer(); BlockRightClickEvent event = new BlockRightClickEvent(Type.BLOCK_RIGHTCLICKED, blockClicked, blockFace, craftItem, player); server.getPluginManager().callEvent(event); this.e.c.a(this.e, this.e.world, itemstack, i, j, k, l); this.e.a.b((Packet) (new Packet53BlockChange(i, j, k, this.e.world))); // CraftBukkit end if (l == 0) { --j; } if (l == 1) { ++j; } if (l == 2) { --k; } if (l == 3) { ++k; } if (l == 4) { --i; } if (l == 5) { ++i; } // CraftBukkit this.e.a.b((Packet) (new Packet53BlockChange(i, j, k, this.e.world))); } if (itemstack != null && itemstack.count == 0) { this.e.inventory.a[this.e.inventory.c] = null; } this.e.h = true; this.e.inventory.a[this.e.inventory.c] = ItemStack.b(this.e.inventory.a[this.e.inventory.c]); Slot slot = this.e.activeContainer.a(this.e.inventory, this.e.inventory.c); this.e.activeContainer.a(); this.e.h = false; // CraftBukkit if (!ItemStack.a(this.e.inventory.b(), packet15place.e) || always) { this.b((Packet) (new Packet103SetSlot(this.e.activeContainer.f, slot.a, this.e.inventory.b()))); } // CraftBukkit ((WorldServer) this.e.world).v = false; } public void a(String s, Object[] aobject) { a.info(this.e.name + " lost connection: " + s); this.d.f.a((Packet) (new Packet3Chat("\u00A7e" + this.e.name + " left the game."))); this.d.f.c(this.e); this.c = true; } public void a(Packet packet) { a.warning(this.getClass() + " wasn\'t prepared to deal with a " + packet.getClass()); this.a("Protocol error, unexpected packet"); } public void b(Packet packet) { this.b.a(packet); this.g = this.f; } public void a(Packet16BlockItemSwitch packet16blockitemswitch) { // CraftBukkit start PlayerItemHeldEvent event = new PlayerItemHeldEvent(Type.PLAYER_ITEM_HELD, getPlayer(), e.inventory.c, packet16blockitemswitch.a); server.getPluginManager().callEvent(event); // CraftBukkit end this.e.inventory.c = packet16blockitemswitch.a; } public void a(Packet3Chat packet3chat) { String s = packet3chat.a; if (s.length() > 100) { this.a("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.a("Illegal characters in chat"); return; } } // CraftBukkit start chat(s); } } public boolean chat(String msg) { if (msg.startsWith("/")) { this.c(msg); return true; } else { // CraftBukkit start Player player = getPlayer(); PlayerChatEvent event = new PlayerChatEvent(Type.PLAYER_CHAT, player, msg); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return true; } msg = String.format(event.getFormat(), event.getPlayer().getDisplayName(), event.getMessage()); a.info(msg); for (final String line: TextWrapper.wrapText(msg)) { this.d.f.a((Packet) (new Packet3Chat(line))); } // CraftBukkit end } return false; } // CraftBukkit end private void c(String s) { // CraftBukkit start CraftPlayer player = getPlayer(); PlayerChatEvent event = new PlayerChatEvent(Type.PLAYER_COMMAND_PREPROCESS, player, s); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } boolean targetPluginFound = false; try { targetPluginFound = server.dispatchCommand(player, s.substring(1)); } catch (CommandException ex) { player.sendMessage(ChatColor.RED + "An internal error occured while attempting to perform this command"); Logger.getLogger(NetServerHandler.class.getName()).log(Level.SEVERE, null, ex); return; } if (targetPluginFound) { return; } // Legacy command handler event = new PlayerChatEvent(Type.PLAYER_COMMAND, player, s); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } s = event.getMessage(); player = (CraftPlayer) event.getPlayer(); EntityPlayer e = player.getHandle(); // CraftBukkit stop if (s.toLowerCase().startsWith("/me ")) { s = "* " + this.e.name + " " + s.substring(s.indexOf(" ")).trim(); a.info(s); this.d.f.a((Packet) (new Packet3Chat(s))); } else if (s.toLowerCase().startsWith("/kill")) { this.e.a((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.e.name + " whispers " + s; a.info(s + " to " + astring[1]); if (!this.d.f.a(astring[1], (Packet) (new Packet3Chat(s)))) { this.b((Packet) (new Packet3Chat("\u00A7cThere\'s no player by that name online."))); } } } else { String s1; if (this.d.f.h(this.e.name)) { s1 = s.substring(1); a.info(this.e.name + " issued server command: " + s1); this.d.a(s1, (ICommandListener) this); } else { s1 = s.substring(1); a.info(this.e.name + " tried command: " + s1); } } } public void a(Packet18ArmAnimation packet18armanimation) { if (packet18armanimation.b == 1) { // CraftBukkit start - Arm swing animation Player player = getPlayer(); PlayerAnimationEvent event = new PlayerAnimationEvent(Type.PLAYER_ANIMATION, player); server.getPluginManager().callEvent(event); // CraftBukkit end this.e.r(); } } public void a(Packet19EntityAction packet19entityaction) { // CraftBukkit: Toggle Sneak if (packet19entityaction.b == 1 || packet19entityaction.b == 2) { Player player = getPlayer(); PlayerToggleSneakEvent event = new PlayerToggleSneakEvent(Type.PLAYER_TOGGLE_SNEAK, player); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } } // CraftBukkit: Set Sneaking if (packet19entityaction.b == 1) { this.e.b(true); } else if (packet19entityaction.b == 2) { this.e.b(false); } else if (packet19entityaction.b == 3) { this.e.a(false, true); this.l = false; } } public void a(Packet255KickDisconnect packet255kickdisconnect) { this.b.a("disconnect.quitting", new Object[0]); } public int b() { return this.b.d(); } public void b(String s) { this.b((Packet) (new Packet3Chat("\u00A77" + s))); } public String c() { return this.e.name; } public void a(Packet7UseEntity packet7useentity) { // CraftBukkit Entity entity = ((WorldServer) this.e.world).a(packet7useentity.b); if (entity != null && this.e.e(entity) && this.e.f(entity) < 4.0F) { if (packet7useentity.c == 0) { this.e.c(entity); } else if (packet7useentity.c == 1) { this.e.d(entity); } } } public void a(Packet9Respawn packet9respawn) { if (this.e.health <= 0) { this.e = this.d.f.d(this.e); // CraftBukkit start CraftPlayer player = getPlayer(); player.setHandle(this.e); // CraftBukkit end } } public void a(Packet101CloseWindow packet101closewindow) { this.e.v(); } public void a(Packet102WindowClick packet102windowclick) { if (this.e.activeContainer.f == packet102windowclick.a && this.e.activeContainer.c(this.e)) { ItemStack itemstack = this.e.activeContainer.a(packet102windowclick.b, packet102windowclick.c, this.e); if (ItemStack.a(packet102windowclick.e, itemstack)) { this.e.a.b((Packet) (new Packet106Transaction(packet102windowclick.a, packet102windowclick.d, true))); this.e.h = true; this.e.activeContainer.a(); this.e.u(); this.e.h = false; } else { this.m.put(Integer.valueOf(this.e.activeContainer.f), Short.valueOf(packet102windowclick.d)); this.e.a.b((Packet) (new Packet106Transaction(packet102windowclick.a, packet102windowclick.d, false))); this.e.activeContainer.a(this.e, false); ArrayList arraylist = new ArrayList(); for (int i = 0; i < this.e.activeContainer.e.size(); ++i) { arraylist.add(((Slot) this.e.activeContainer.e.get(i)).b()); } this.e.a(this.e.activeContainer, arraylist); } } } public void a(Packet106Transaction packet106transaction) { Short oshort = (Short) this.m.get(Integer.valueOf(this.e.activeContainer.f)); if (oshort != null && packet106transaction.b == oshort.shortValue() && this.e.activeContainer.f == packet106transaction.a && !this.e.activeContainer.c(this.e)) { this.e.activeContainer.a(this.e, true); } } public void a(Packet130UpdateSign packet130updatesign) { // CraftBukkit start if (this.e.world.f(packet130updatesign.a, packet130updatesign.b, packet130updatesign.c)) { TileEntity tileentity = this.e.world.getTileEntity(packet130updatesign.a, packet130updatesign.b, packet130updatesign.c); // CraftBukkit end int i; int j; for (i = 0; i < 4; ++i) { boolean flag = true; if (packet130updatesign.d[i].length() > 15) { flag = false; } else { for (j = 0; j < packet130updatesign.d[i].length(); ++j) { if (FontAllowedCharacters.a.indexOf(packet130updatesign.d[i].charAt(j)) < 0) { flag = false; } } } if (!flag) { packet130updatesign.d[i] = "!?"; } } if (tileentity instanceof TileEntitySign) { i = packet130updatesign.a; int k = packet130updatesign.b; j = packet130updatesign.c; TileEntitySign tileentitysign = (TileEntitySign) tileentity; // CraftBukkit start - SIGN_CHANGE hook Player player = server.getPlayer(this.e); SignChangeEvent event = new SignChangeEvent(org.bukkit.event.Event.Type.SIGN_CHANGE, (CraftBlock) player.getWorld().getBlockAt(i, k, j), server.getPlayer(this.e), packet130updatesign.d); server.getPluginManager().callEvent(event); if (event.isCancelled()) { // Normally we would return here, but we have to update the sign with blank text if it's been cancelled // Otherwise the client will have bad text on their sign (client shows text changes as they type) for (int l = 0; l < 4; ++l) { event.setLine(l, ""); } } // CraftBukkit end for (int l = 0; l < 4; ++l) { tileentitysign.a[l] = event.getLine(l); // CraftBukkit } tileentitysign.h(); this.e.world.g(i, k, j); // CraftBukkit } } } }