package net.minecraft.server; import java.io.PrintStream; import java.util.*; import java.util.logging.Logger; // CraftBukkit start import org.bukkit.block.BlockFace; import org.bukkit.block.BlockDamageLevel; import org.bukkit.Location; 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.event.Event.Type; import org.bukkit.event.block.BlockDamageEvent; import org.bukkit.event.block.BlockRightClickEvent; import org.bukkit.event.player.PlayerAnimationEvent; import org.bukkit.event.player.PlayerChatEvent; import org.bukkit.event.player.PlayerItemEvent; import org.bukkit.event.player.PlayerMoveEvent; import org.bukkit.plugin.Plugin; // CraftBukkit end public class NetServerHandler extends NetHandler implements ICommandListener { public static Logger a = Logger.getLogger("Minecraft"); public NetworkManager b; public boolean c; private MinecraftServer d; private EntityPlayerMP e; private int f; private double g; private double h; private double i; private boolean j; private Map k; // CraftBukkit start - next 2 lines private final CraftServer server; private final CraftPlayer player; public CraftPlayer getPlayer() { return player; } // CraftBukkit end public NetServerHandler(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayerMP entityplayermp) { c = false; f = 0; j = true; k = ((Map) (new HashMap())); d = minecraftserver; b = networkmanager; networkmanager.a(((NetHandler) (this))); e = entityplayermp; entityplayermp.a = this; // CraftBukkit - next 2 lines server = minecraftserver.server; player = new CraftPlayer(server, e); } public void a() { b.a(); if (f++ % 20 == 0) { b.a(((Packet) (new Packet0KeepAlive()))); } } public void a(String s) { b.a(((Packet) (new Packet255KickDisconnect(s)))); b.c(); d.f.a(((Packet) (new Packet3Chat((new StringBuilder()).append("\247e").append(e.aw).append(" left the game.").toString())))); d.f.c(e); c = true; } public void a(Packet10Flying packet10flying) { if (!j) { double d1 = packet10flying.b - h; if (packet10flying.a == g && d1 * d1 < 0.01D && packet10flying.c == i) { j = true; } } // CraftBukkit start Location from = new Location(player.getWorld(), g, h, i, e.v, e.w); 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(); e.p = to.getX(); e.q = to.getY(); e.r = to.getZ(); e.v = to.getYaw(); e.w = to.getPitch(); } // CraftBukkit end if (j) { if (e.k != null) { float f1 = e.v; float f2 = e.w; e.k.E(); double d3 = e.p; double d5 = e.q; double d7 = e.r; double d9 = 0.0D; double d10 = 0.0D; if (packet10flying.i) { f1 = packet10flying.e; f2 = packet10flying.f; } if (packet10flying.h && packet10flying.b == -999D && packet10flying.d == -999D) { d9 = packet10flying.a; d10 = packet10flying.c; } e.A = packet10flying.g; e.n(); e.c(d9, 0.0D, d10); e.b(d3, d5, d7, f1, f2); e.s = d9; e.u = d10; if (e.k != null) { d.e.b(e.k, true); } if (e.k != null) { e.k.E(); } d.f.b(e); g = e.p; h = e.q; i = e.r; d.e.f(((Entity) (e))); return; } double d2 = e.q; g = e.p; h = e.q; i = e.r; double d4 = e.p; double d6 = e.q; double d8 = e.r; float f3 = e.v; float f4 = e.w; if (packet10flying.h && packet10flying.b == -999D && packet10flying.d == -999D) { packet10flying.h = false; } if (packet10flying.h) { d4 = packet10flying.a; d6 = packet10flying.b; d8 = packet10flying.c; double d11 = packet10flying.d - packet10flying.b; if (d11 > 1.6499999999999999D || d11 < 0.10000000000000001D) { a("Illegal stance"); a.warning((new StringBuilder()).append(e.aw).append(" had an illegal stance: ").append(d11).toString()); } e.al = packet10flying.d; } if (packet10flying.i) { f3 = packet10flying.e; f4 = packet10flying.f; } e.n(); e.R = 0.0F; e.b(g, h, i, f3, f4); double d12 = d4 - e.p; double d13 = d6 - e.q; double d14 = d8 - e.r; float f5 = 0.0625F; boolean flag = d.e.a(((Entity) (e)), e.z.b().e(f5, f5, f5)).size() == 0; e.c(d12, d13, d14); d12 = d4 - e.p; d13 = d6 - e.q; if (d13 > -0.5D || d13 < 0.5D) { d13 = 0.0D; } d14 = d8 - e.r; double d15 = d12 * d12 + d13 * d13 + d14 * d14; boolean flag1 = false; if (d15 > 0.0625D) { flag1 = true; a.warning((new StringBuilder()).append(e.aw).append(" moved wrongly!").toString()); System.out.println((new StringBuilder()).append("Got position ").append(d4).append(", ").append(d6).append(", ").append(d8).toString()); System.out.println((new StringBuilder()).append("Expected ").append(e.p).append(", ").append(e.q).append(", ").append(e.r).toString()); } e.b(d4, d6, d8, f3, f4); boolean flag2 = d.e.a(((Entity) (e)), e.z.b().e(f5, f5, f5)).size() == 0; if (flag && (flag1 || !flag2)) { a(g, h, i, f3, f4); return; } e.A = packet10flying.g; d.f.b(e); e.b(e.q - d2, packet10flying.g); } } public void a(double d1, double d2, double d3, float f1, float f2) { // CraftBukkit start Location from = player.getLocation(); Location to = new Location(player.getWorld(), d1, d2, d3, f1, f2); PlayerMoveEvent event = new PlayerMoveEvent(Type.PLAYER_TELEPORT, player, from, to); server.getPluginManager().callEvent(event); from = event.getFrom(); to = event.isCancelled() ? from : event.getTo(); d1 = to.getX(); d2 = to.getY(); d3 = to.getZ(); f1 = to.getYaw(); f2 = to.getPitch(); // CraftBukkit end j = false; g = d1; h = d2; i = d3; e.b(d1, d2, d3, f1, f2); e.a.b(((Packet) (new Packet13PlayerLookMove(d1, d2 + 1.6200000047683716D, d2, d3, f1, f2, false)))); } // CraftBukkit start // Get position of last block hit for BlockDamageLevel.STOPPED private int lastX; private int lastY; private int lastZ; // CraftBukkit end public void a(Packet14BlockDig packet14blockdig) { if (packet14blockdig.e == 4) { e.O(); return; } boolean flag = d.e.B = d.f.g(e.aw); boolean flag1 = false; if (packet14blockdig.e == 0) { flag1 = true; } if (packet14blockdig.e == 1) { flag1 = true; } int l = packet14blockdig.a; int i1 = packet14blockdig.b; int j1 = packet14blockdig.c; if (flag1) { double d1 = e.p - ((double) l + 0.5D); double d2 = e.q - ((double) i1 + 0.5D); double d3 = e.r - ((double) j1 + 0.5D); double d4 = d1 * d1 + d2 * d2 + d3 * d3; if (d4 > 36D) { return; } double d5 = e.q; e.q = e.al; e.q = d5; } int k1 = packet14blockdig.d; int l1 = (int) MathHelper.e(l - d.e.m); int i2 = (int) MathHelper.e(j1 - d.e.o); if (l1 > i2) { i2 = l1; } // CraftBukkit start CraftBlock block = (CraftBlock) player.getWorld().getBlockAt(l, i1, j1); int blockId = block.getTypeId(); float damage = 0; if(Block.m[blockId] != null) { damage = Block.m[blockId].a(player.getHandle()); //Get amount of damage going to block } if (packet14blockdig.e == 0) { if (i2 > 16 || 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) { 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()) { e.c.a(l, i1, j1); } } } } 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()) { e.c.a(); } // CraftBukkit end } else if (packet14blockdig.e == 1) { if (i2 > 16 || flag) { // CraftBukkit start 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 (e.c.d + damage >= 1.0F) { 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()) { e.c.a(l, i1, j1, k1); } else { e.c.d = 0; // Reset the amount of damage if stopping break. } // CraftBukkit end } } else if (packet14blockdig.e == 3) { double d6 = e.p - ((double) l + 0.5D); double d7 = e.q - ((double) i1 + 0.5D); double d8 = e.r - ((double) j1 + 0.5D); double d9 = d6 * d6 + d7 * d7 + d8 * d8; if (d9 < 256D) { e.a.b(((Packet) (new Packet53BlockChange(l, i1, j1, ((World) (d.e)))))); } } // CraftBukkit start lastX = l; lastY = i1; lastZ = j1; // CraftBukkit end d.e.B = false; } // CraftBukkit start - store the last block right clicked and what type it was CraftBlock lastRightClicked; int lastMaterial; public void a(Packet15Place packet15place) { ItemStack itemstack = e.an.e(); boolean flag = d.e.B = d.f.g(e.aw); // CraftBukkit start 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.c == lastMaterial) { blockClicked = lastRightClicked; } else if (lastMaterial == 0) { blockClicked = lastRightClicked; } lastRightClicked = null; lastMaterial = 0; } else { // CraftBukkit RIGHTCLICK or BLOCK_PLACE .. or nothing blockClicked = (CraftBlock) d.e.getWorld().getBlockAt(packet15place.a, packet15place.b, packet15place.c); lastRightClicked = blockClicked; lastMaterial = (packet15place.e == null) ? 0 : packet15place.e.c; } 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 CraftItemStack craftItem = new CraftItemStack(itemstack); CraftPlayer player = new CraftPlayer(server, e); PlayerItemEvent pie = new PlayerItemEvent(Type.PLAYER_ITEM, player, craftItem, blockClicked, blockFace); // CraftBukkit We still call this event even in spawn protection. // Don't call this event if using Buckets / signs switch (craftItem.getType()) { case SIGN: case BUCKET: case WATER_BUCKET: case LAVA_BUCKET: break; default: server.getPluginManager().callEvent(pie); } if (!pie.isCancelled()) { int itemstackAmount = itemstack.a; e.c.a(((EntityPlayer) (e)), ((World) (d.e)), 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.a != itemstackAmount); } // CraftBukkit end } else { int l = packet15place.a; int i1 = packet15place.b; int j1 = packet15place.c; int k1 = packet15place.d; int l1 = (int) MathHelper.e(l - d.e.m); int i2 = (int) MathHelper.e(j1 - d.e.o); if (l1 > i2) { i2 = l1; } // CraftBukkit start - spawn proection moved to ItemBlock!!! CraftItemStack craftItem = new CraftItemStack(itemstack); CraftPlayer player = new CraftPlayer(server, e); BlockRightClickEvent brce = new BlockRightClickEvent(Type.BLOCK_RIGHTCLICKED, blockClicked, blockFace, craftItem, player); server.getPluginManager().callEvent(brce); e.c.a(((EntityPlayer) (e)), ((World) (d.e)), itemstack, l, i1, j1, k1); // CraftBukkit end e.a.b(((Packet) (new Packet53BlockChange(l, i1, j1, ((World) (d.e)))))); if (k1 == 0) { i1--; } if (k1 == 1) { i1++; } if (k1 == 2) { j1--; } if (k1 == 3) { j1++; } if (k1 == 4) { l--; } if (k1 == 5) { l++; } e.a.b(((Packet) (new Packet53BlockChange(l, i1, j1, ((World) (d.e)))))); } if (itemstack != null && itemstack.a == 0) { e.an.a[e.an.c] = null; } e.am = true; e.an.a[e.an.c] = ItemStack.b(e.an.a[e.an.c]); Slot slot = e.ap.a(((IInventory) (e.an)), e.an.c); e.ap.a(); e.am = false; // CraftBukkit - Boolean flag if (!ItemStack.a(e.an.e(), packet15place.e) || always) { b(((Packet) (new Packet103(e.ap.f, slot.c, e.an.e())))); } d.e.B = false; } public void a(String s, Object aobj[]) { a.info((new StringBuilder()).append(e.aw).append(" lost connection: ").append(s).toString()); d.f.a(((Packet) (new Packet3Chat((new StringBuilder()).append("\247e").append(e.aw).append(" left the game.").toString())))); d.f.c(e); c = true; } public void a(Packet packet) { a.warning((new StringBuilder()).append((((this).getClass()))).append(" wasn't prepared to deal with a ").append(((((packet)).getClass()))).toString()); a("Protocol error, unexpected packet"); } public void b(Packet packet) { b.a(packet); } public void a(Packet16BlockItemSwitch packet16blockitemswitch) { e.an.c = packet16blockitemswitch.a; } public void a(Packet3Chat packet3chat) { String s = packet3chat.a; if (s.length() > 100) { a("Chat message too long"); return; } s = s.trim(); for (int l = 0; l < s.length(); l++) { if (FontAllowedCharacters.a.indexOf(((int) (s.charAt(l)))) < 0) { a("Illegal characters in chat"); return; } } if (s.startsWith("/")) { c(s); } else { // CraftBukkit start PlayerChatEvent event = new PlayerChatEvent(Type.PLAYER_CHAT, player, s); server.getPluginManager().callEvent(event); s = String.format(event.getFormat(), event.getPlayer().getDisplayName(), event.getMessage()); if (event.isCancelled()) { return; } // CraftBukkit end a.info(s); d.f.a(((Packet) (new Packet3Chat(s)))); } } private void c(String s) { // CraftBukkit start boolean targetPluginFound = server.dispatchCommand(player, s); if (targetPluginFound) { return; } PlayerChatEvent event = new PlayerChatEvent(Type.PLAYER_COMMAND, player, s); server.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } s = event.getMessage(); CraftPlayer player = (CraftPlayer) event.getPlayer(); EntityPlayerMP e = player.getHandle(); // CraftBukkit stop if (s.toLowerCase().startsWith("/me ")) { s = (new StringBuilder()).append("* ").append(e.aw).append(" ").append(s.substring(s.indexOf(" ")).trim()).toString(); a.info(s); d.f.a(((Packet) (new Packet3Chat(s)))); } else if (s.toLowerCase().startsWith("/kill")) { e.a(((Entity) (null)), 1000); } else if (s.toLowerCase().startsWith("/tell ")) { String as[] = s.split(" "); if (as.length >= 3) { s = s.substring(s.indexOf(" ")).trim(); s = s.substring(s.indexOf(" ")).trim(); s = (new StringBuilder()).append("\2477").append(e.aw).append(" whispers ").append(s).toString(); a.info((new StringBuilder()).append(s).append(" to ").append(as[1]).toString()); if (!d.f.a(as[1], ((Packet) (new Packet3Chat(s))))) { b(((Packet) (new Packet3Chat("\247cThere's no player by that name online.")))); } } } else if (d.f.g(e.aw)) { String s1 = s.substring(1); a.info((new StringBuilder()).append(e.aw).append(" issued server command: ").append(s1).toString()); d.a(s1, ((ICommandListener) (this))); } else { String s2 = s.substring(1); a.info((new StringBuilder()).append(e.aw).append(" tried command: ").append(s2).toString()); } } public void a(Packet18ArmAnimation packet18armanimation) { if (packet18armanimation.b == 1) { // Craftbukkit: Arm swing animation PlayerAnimationEvent event = new PlayerAnimationEvent(Type.PLAYER_ANIMATION, player); server.getPluginManager().callEvent(event); e.K(); } } public void a(Packet19 packet19) { if (packet19.b == 1) { e.b(true); } else if (packet19.b == 2) { e.b(false); } } public void a(Packet255KickDisconnect packet255kickdisconnect) { b.a("disconnect.quitting", new Object[0]); } public int b() { return b.d(); } public void b(String s) { b(((Packet) (new Packet3Chat((new StringBuilder()).append("\2477").append(s).toString())))); } public String c() { return e.aw; } public void a(Packet7 packet7) { Entity entity = d.e.a(packet7.b); if (entity != null && e.i(entity)) { if (packet7.c == 0) { e.g(entity); } else if (packet7.c == 1) { e.h(entity); } } } public void a(Packet9 packet9) { if (e.aZ > 0) { return; } else { e = d.f.d(e); player.setHandle(e); // CraftBukkit return; } } public void a(Packet101 packet101) { e.N(); } public void a(Packet102 packet102) { if (e.ap.f == packet102.a && e.ap.c(((EntityPlayer) (e)))) { ItemStack itemstack = e.ap.a(packet102.b, packet102.c, ((EntityPlayer) (e))); if (ItemStack.a(packet102.e, itemstack)) { e.a.b(((Packet) (new Packet106(packet102.a, packet102.d, true)))); e.am = true; e.ap.a(); e.M(); e.am = false; } else { k.put(((Integer.valueOf(e.ap.f))), ((Short.valueOf(packet102.d)))); e.a.b(((Packet) (new Packet106(packet102.a, packet102.d, false)))); e.ap.a(((EntityPlayer) (e)), false); ArrayList arraylist = new ArrayList(); for (int l = 0; l < e.ap.e.size(); l++) { ((List) (arraylist)).add(((((Slot) e.ap.e.get(l)).c()))); } e.a(e.ap, ((List) (arraylist))); } } } public void a(Packet106 packet106) { Short short1 = (Short) k.get(((Integer.valueOf(e.ap.f)))); if (short1 != null && packet106.b == short1.shortValue() && e.ap.f == packet106.a && !e.ap.c(((EntityPlayer) (e)))) { e.ap.a(((EntityPlayer) (e)), true); } } public void a(Packet130 packet130) { if (d.e.f(packet130.a, packet130.b, packet130.c)) { TileEntity tileentity = d.e.m(packet130.a, packet130.b, packet130.c); for (int l = 0; l < 4; l++) { boolean flag = true; if (packet130.d[l].length() > 15) { flag = false; } else { for (int k1 = 0; k1 < packet130.d[l].length(); k1++) { if (FontAllowedCharacters.a.indexOf(((int) (packet130.d[l].charAt(k1)))) < 0) { flag = false; } } } if (!flag) { packet130.d[l] = "!?"; } } if (tileentity instanceof TileEntitySign) { int i1 = packet130.a; int j1 = packet130.b; int l1 = packet130.c; TileEntitySign tileentitysign = (TileEntitySign) tileentity; for (int i2 = 0; i2 < 4; i2++) { tileentitysign.e[i2] = packet130.d[i2]; } tileentitysign.d(); d.e.g(i1, j1, l1); } } } }