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PaperMC/nms-patches/PlayerConnection.patch

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--- ../work/decompile-8eb82bde//net/minecraft/server/PlayerConnection.java Mon Dec 15 10:02:18 2014
+++ src/main/java/net/minecraft/server/PlayerConnection.java Mon Dec 15 10:02:18 2014
@@ -16,6 +16,48 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+// CraftBukkit start
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
+import java.util.HashSet;
+
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftInventoryView;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.craftbukkit.util.CraftChatMessage;
+import org.bukkit.craftbukkit.util.LazyPlayerSet;
+import org.bukkit.craftbukkit.util.Waitable;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.block.SignChangeEvent;
+import org.bukkit.event.inventory.ClickType;
+import org.bukkit.event.inventory.CraftItemEvent;
+import org.bukkit.event.inventory.InventoryAction;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.inventory.InventoryCreativeEvent;
+import org.bukkit.event.inventory.InventoryType.SlotType;
+import org.bukkit.event.player.AsyncPlayerChatEvent;
+import org.bukkit.event.player.PlayerAnimationEvent;
+import org.bukkit.event.player.PlayerChatEvent;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.event.player.PlayerInteractAtEntityEvent;
+import org.bukkit.event.player.PlayerItemHeldEvent;
+import org.bukkit.event.player.PlayerKickEvent;
+import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.event.player.PlayerToggleFlightEvent;
+import org.bukkit.event.player.PlayerToggleSneakEvent;
+import org.bukkit.event.player.PlayerToggleSprintEvent;
+import org.bukkit.inventory.CraftingInventory;
+import org.bukkit.inventory.InventoryView;
+import org.bukkit.util.NumberConversions;
+// CraftBukkit end
+
public class PlayerConnection implements PacketListenerPlayIn, IUpdatePlayerListBox {
private static final Logger c = LogManager.getLogger();
@@ -29,13 +71,17 @@
private int i;
private long j;
private long k;
- private int chatThrottle;
+ // CraftBukkit start - multithreaded fields
+ private volatile int chatThrottle;
+ private static final AtomicIntegerFieldUpdater chatSpamField = AtomicIntegerFieldUpdater.newUpdater(PlayerConnection.class, "chatThrottle");
+ // CraftBukkit end
private int m;
private IntHashMap n = new IntHashMap();
private double o;
private double p;
private double q;
public boolean checkMovement = true;
+ private boolean processedDisconnect; // CraftBukkit - added
public PlayerConnection(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayer entityplayer) {
this.minecraftServer = minecraftserver;
@@ -43,7 +89,31 @@
networkmanager.a((PacketListener) this);
this.player = entityplayer;
entityplayer.playerConnection = this;
+
+ // CraftBukkit start - add fields and methods
+ this.server = minecraftserver.server;
+ }
+
+ private final org.bukkit.craftbukkit.CraftServer server;
+ private int lastTick = MinecraftServer.currentTick;
+ private int lastDropTick = MinecraftServer.currentTick;
+ private int dropCount = 0;
+ private static final int SURVIVAL_PLACE_DISTANCE_SQUARED = 6 * 6;
+ private static final int CREATIVE_PLACE_DISTANCE_SQUARED = 7 * 7;
+
+ // 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;
+ private boolean justTeleported = false;
+
+ public CraftPlayer getPlayer() {
+ return (this.player == null) ? null : (CraftPlayer) this.player.getBukkitEntity();
}
+ private final static HashSet<Integer> invalidItems = new HashSet<Integer>(java.util.Arrays.asList(8, 9, 10, 11, 26, 34, 36, 43, 51, 52, 55, 59, 60, 62, 63, 64, 68, 71, 74, 75, 83, 90, 92, 93, 94, 104, 105, 115, 117, 118, 119, 125, 127, 132, 140, 141, 142, 144)); // TODO: Check after every update.
+ // CraftBukkit end
public void c() {
this.h = false;
@@ -57,9 +127,14 @@
}
this.minecraftServer.methodProfiler.b();
+ // CraftBukkit start
+ for (int spam; (spam = this.chatThrottle) > 0 && !chatSpamField.compareAndSet(this, spam, spam - 1); ) ;
+ /* Use thread-safe field access instead
if (this.chatThrottle > 0) {
--this.chatThrottle;
}
+ */
+ // CraftBukkit end
if (this.m > 0) {
--this.m;
@@ -76,11 +151,28 @@
}
public void disconnect(String s) {
+ // CraftBukkit start - fire PlayerKickEvent
+ String leaveMessage = EnumChatFormat.YELLOW + this.player.getName() + " left the game.";
+
+ PlayerKickEvent event = new PlayerKickEvent(this.server.getPlayer(this.player), s, leaveMessage);
+
+ if (this.server.getServer().isRunning()) {
+ this.server.getPluginManager().callEvent(event);
+ }
+
+ if (event.isCancelled()) {
+ // Do not kick the player
+ return;
+ }
+ // Send the possibly modified leave message
+ s = event.getReason();
+ // CraftBukkit end
ChatComponentText chatcomponenttext = new ChatComponentText(s);
+ this.a(chatcomponenttext); // CraftBukkit - fire quit instantly
this.networkManager.a(new PacketPlayOutKickDisconnect(chatcomponenttext), new PlayerConnectionFuture(this, chatcomponenttext), new GenericFutureListener[0]);
this.networkManager.k();
- Futures.getUnchecked(this.minecraftServer.postToMainThread(new PlayerConnectionDisconnector(this)));
+ this.minecraftServer.postToMainThread(new PlayerConnectionDisconnector(this)); // CraftBukkit - Don't wait
}
public void a(PacketPlayInSteerVehicle packetplayinsteervehicle) {
@@ -90,6 +182,13 @@
public void a(PacketPlayInFlying packetplayinflying) {
PlayerConnectionUtils.ensureMainThread(packetplayinflying, this, this.player.u());
+ // CraftBukkit start - Check for NaN
+ if (Double.isNaN(packetplayinflying.x) || Double.isNaN(packetplayinflying.y) || Double.isNaN(packetplayinflying.z)) {
+ c.warn(player.getName() + " was caught trying to crash the server with an invalid position.");
+ getPlayer().kickPlayer("Nope!");
+ return;
+ }
+ // CraftBukkit end
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
this.h = true;
@@ -108,8 +207,65 @@
this.checkMovement = true;
}
}
+ // CraftBukkit start - fire PlayerMoveEvent
+ Player player = this.getPlayer();
+ Location from = new Location(player.getWorld(), lastPosX, lastPosY, lastPosZ, lastYaw, lastPitch); // Get the Players previous Event location.
+ Location to = player.getLocation().clone(); // Start off the To location as the Players current location.
+
+ // If the packet contains movement information then we update the To location with the correct XYZ.
+ if (packetplayinflying.hasPos && !(packetplayinflying.hasPos && packetplayinflying.y == -999.0D)) {
+ to.setX(packetplayinflying.x);
+ to.setY(packetplayinflying.y);
+ to.setZ(packetplayinflying.z);
+ }
+
+ // If the packet contains look information then we update the To location with the correct Yaw & Pitch.
+ if (packetplayinflying.hasLook) {
+ to.setYaw(packetplayinflying.yaw);
+ to.setPitch(packetplayinflying.pitch);
+ }
+
+ // Prevent 40 event-calls for less than a single pixel of movement >.>
+ double delta = Math.pow(this.lastPosX - to.getX(), 2) + Math.pow(this.lastPosY - to.getY(), 2) + Math.pow(this.lastPosZ - to.getZ(), 2);
+ float deltaAngle = Math.abs(this.lastYaw - to.getYaw()) + Math.abs(this.lastPitch - to.getPitch());
+
+ if ((delta > 1f / 256 || deltaAngle > 10f) && (this.checkMovement && !this.player.dead)) {
+ this.lastPosX = to.getX();
+ this.lastPosY = to.getY();
+ this.lastPosZ = to.getZ();
+ this.lastYaw = to.getYaw();
+ this.lastPitch = to.getPitch();
+
+ // Skip the first time we do this
+ if (from.getX() != Double.MAX_VALUE) {
+ PlayerMoveEvent event = new PlayerMoveEvent(player, from, to);
+ this.server.getPluginManager().callEvent(event);
+
+ // If the event is cancelled we move the player back to their old location.
+ if (event.isCancelled()) {
+ this.player.playerConnection.sendPacket(new PacketPlayOutPosition(from.getX(), from.getY(), from.getZ(), from.getYaw(), from.getPitch(), Collections.emptySet()));
+ return;
+ }
+
+ /* If a Plugin has changed the To destination then we teleport the Player
+ there to avoid any 'Moved wrongly' or 'Moved too quickly' errors.
+ We only do this if the Event was not cancelled. */
+ if (!to.equals(event.getTo()) && !event.isCancelled()) {
+ this.player.getBukkitEntity().teleport(event.getTo(), PlayerTeleportEvent.TeleportCause.UNKNOWN);
+ return;
+ }
+
+ /* Check to see if the Players Location has some how changed during the call of the event.
+ This can happen due to a plugin teleporting the player instead of using .setTo() */
+ if (!from.equals(this.getPlayer().getLocation()) && this.justTeleported) {
+ this.justTeleported = false;
+ return;
+ }
+ }
+ }
- if (this.checkMovement) {
+ if (this.checkMovement && !this.player.dead) {
+ // CraftBukkit end
this.f = this.e;
double d7;
double d8;
@@ -203,12 +359,14 @@
double d11 = d7 - this.player.locX;
double d12 = d8 - this.player.locY;
double d13 = d9 - this.player.locZ;
- double d14 = Math.min(Math.abs(d11), Math.abs(this.player.motX));
- double d15 = Math.min(Math.abs(d12), Math.abs(this.player.motY));
- double d16 = Math.min(Math.abs(d13), Math.abs(this.player.motZ));
+ // CraftBukkit start - min to max
+ double d14 = Math.max(Math.abs(d11), Math.abs(this.player.motX));
+ double d15 = Math.max(Math.abs(d12), Math.abs(this.player.motY));
+ double d16 = Math.max(Math.abs(d13), Math.abs(this.player.motZ));
+ // CraftBukkit end
double d17 = d14 * d14 + d15 * d15 + d16 * d16;
- if (d17 > 100.0D && (!this.minecraftServer.S() || !this.minecraftServer.R().equals(this.player.getName()))) {
+ if (d17 > 100.0D && this.checkMovement && (!this.minecraftServer.S() || !this.minecraftServer.R().equals(this.player.getName()))) { // CraftBukkit - Added this.checkMovement condition to solve this check being triggered by teleports
PlayerConnection.c.warn(this.player.getName() + " moved too quickly! " + d11 + "," + d12 + "," + d13 + " (" + d14 + ", " + d15 + ", " + d16 + ")");
this.a(this.o, this.p, this.q, this.player.yaw, this.player.pitch);
return;
@@ -281,6 +439,49 @@
}
public void a(double d0, double d1, double d2, float f, float f1, Set set) {
+ // CraftBukkit start - Delegate to teleport(Location)
+ Player player = this.getPlayer();
+ Location from = player.getLocation();
+ Location to = new Location(this.getPlayer().getWorld(), d0, d1, d2, f, f1);
+ PlayerTeleportEvent event = new PlayerTeleportEvent(player, from, to, PlayerTeleportEvent.TeleportCause.UNKNOWN);
+ this.server.getPluginManager().callEvent(event);
+
+ from = event.getFrom();
+ to = event.isCancelled() ? from : event.getTo();
+
+ this.teleport(to, set);
+ }
+
+ public void teleport(Location dest) {
+ teleport(dest, Collections.emptySet());
+ }
+
+ public void teleport(Location dest, Set set) {
+ double d0, d1, d2;
+ float f, f1;
+
+ d0 = dest.getX();
+ d1 = dest.getY();
+ d2 = dest.getZ();
+ f = dest.getYaw();
+ f1 = dest.getPitch();
+
+ // TODO: make sure this is the best way to address this.
+ if (Float.isNaN(f)) {
+ f = 0;
+ }
+
+ if (Float.isNaN(f1)) {
+ f1 = 0;
+ }
+
+ this.lastPosX = d0;
+ this.lastPosY = d1;
+ this.lastPosZ = d2;
+ this.lastYaw = f;
+ this.lastPitch = f1;
+ this.justTeleported = true;
+ // CraftBukkit end
this.checkMovement = false;
this.o = d0;
this.p = d1;
@@ -314,32 +515,49 @@
public void a(PacketPlayInBlockDig packetplayinblockdig) {
PlayerConnectionUtils.ensureMainThread(packetplayinblockdig, this, this.player.u());
+ if (this.player.dead) return; // CraftBukkit
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
BlockPosition blockposition = packetplayinblockdig.a();
this.player.z();
+ // CraftBukkit start
switch (SwitchHelperCommandActionType.a[packetplayinblockdig.c().ordinal()]) {
- case 1:
+ case 1: // DROP_ITEM
if (!this.player.v()) {
+ // limit how quickly items can be dropped
+ // If the ticks aren't the same then the count starts from 0 and we update the lastDropTick.
+ if (this.lastDropTick != MinecraftServer.currentTick) {
+ this.dropCount = 0;
+ this.lastDropTick = MinecraftServer.currentTick;
+ } else {
+ // Else we increment the drop count and check the amount.
+ this.dropCount++;
+ if (this.dropCount >= 20) {
+ this.c.warn(this.player.getName() + " dropped their items too quickly!");
+ this.disconnect("You dropped your items too quickly (Hacking?)");
+ return;
+ }
+ }
+ // CraftBukkit end
this.player.a(false);
}
return;
- case 2:
+ case 2: // DROP_ALL_ITEMS
if (!this.player.v()) {
this.player.a(true);
}
return;
- case 3:
+ case 3: // RELEASE_USE_ITEM
this.player.bT();
return;
- case 4:
- case 5:
- case 6:
+ case 4: // START_DESTROY_BLOCK
+ case 5: // ABORT_DESTROY_BLOCK
+ case 6: // STOP_DESTROY_BLOCK
double d0 = this.player.locX - ((double) blockposition.getX() + 0.5D);
double d1 = this.player.locY - ((double) blockposition.getY() + 0.5D) + 1.5D;
double d2 = this.player.locZ - ((double) blockposition.getZ() + 0.5D);
@@ -354,7 +572,15 @@
if (!this.minecraftServer.a(worldserver, blockposition, this.player) && worldserver.af().a(blockposition)) {
this.player.playerInteractManager.a(blockposition, packetplayinblockdig.b());
} else {
+ // CraftBukkit start - fire PlayerInteractEvent
+ CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, blockposition, packetplayinblockdig.b(), this.player.inventory.getItemInHand());
this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition));
+ // Update any tile entity data for this block
+ TileEntity tileentity = worldserver.getTileEntity(blockposition);
+ if (tileentity != null) {
+ this.player.playerConnection.sendPacket(tileentity.getUpdatePacket());
+ }
+ // CraftBukkit end
}
} else {
if (packetplayinblockdig.c() == EnumPlayerDigType.STOP_DESTROY_BLOCK) {
@@ -374,11 +600,22 @@
default:
throw new IllegalArgumentException("Invalid player action");
}
+ // CraftBukkit end
}
public void a(PacketPlayInBlockPlace packetplayinblockplace) {
PlayerConnectionUtils.ensureMainThread(packetplayinblockplace, this, this.player.u());
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
+
+ // CraftBukkit start
+ if (this.player.dead) return;
+
+ // 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
+
ItemStack itemstack = this.player.inventory.getItemInHand();
boolean flag = false;
BlockPosition blockposition = packetplayinblockplace.a();
@@ -390,7 +627,50 @@
return;
}
- this.player.playerInteractManager.useItem(this.player, worldserver, itemstack);
+ // CraftBukkit start
+ int itemstackAmount = itemstack.count;
+
+ // Raytrace to look for 'rogue armswings'
+ float f1 = this.player.pitch;
+ float f2 = this.player.yaw;
+ double d0 = this.player.locX;
+ double d1 = this.player.locY + (double) this.player.getHeadHeight();
+ double d2 = this.player.locZ;
+ Vec3D vec3d = new Vec3D(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 = player.playerInteractManager.getGameMode() == EnumGamemode.CREATIVE ? 5.0D : 4.5D;
+ Vec3D vec3d1 = vec3d.add((double) f7 * d3, (double) f6 * d3, (double) f8 * d3);
+ MovingObjectPosition movingobjectposition = this.player.world.rayTrace(vec3d, vec3d1, false);
+
+ boolean cancelled = false;
+ if (movingobjectposition == null || movingobjectposition.type != EnumMovingObjectType.BLOCK) {
+ org.bukkit.event.player.PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack);
+ cancelled = event.useItemInHand() == Event.Result.DENY;
+ } else {
+ if (player.playerInteractManager.firedInteract) {
+ player.playerInteractManager.firedInteract = false;
+ cancelled = player.playerInteractManager.interactResult;
+ } else {
+ org.bukkit.event.player.PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(player, Action.RIGHT_CLICK_BLOCK, movingobjectposition.a(), movingobjectposition.direction, itemstack, true);
+ cancelled = event.useItemInHand() == Event.Result.DENY;
+ }
+ }
+
+ if (!cancelled) {
+ this.player.playerInteractManager.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 a place that doesn't cause the
+ // inventory update packet to get sent
+ always = (itemstack.count != itemstackAmount) || itemstack.getItem() == Item.getItemOf(Blocks.WATERLILY);
+ // CraftBukkit end
} else if (blockposition.getY() >= this.minecraftServer.getMaxBuildHeight() - 1 && (enumdirection == EnumDirection.UP || blockposition.getY() >= this.minecraftServer.getMaxBuildHeight())) {
ChatMessage chatmessage = new ChatMessage("build.tooHigh", new Object[] { Integer.valueOf(this.minecraftServer.getMaxBuildHeight())});
@@ -398,9 +678,21 @@
this.player.playerConnection.sendPacket(new PacketPlayOutChat(chatmessage));
flag = true;
} else {
+ // CraftBukkit start - Check if we can actually do something over this large a distance
+ Location eyeLoc = this.getPlayer().getEyeLocation();
+ double reachDistance = NumberConversions.square(eyeLoc.getX() - blockposition.getX()) + NumberConversions.square(eyeLoc.getY() - blockposition.getY()) + NumberConversions.square(eyeLoc.getZ() - blockposition.getZ());
+ if (reachDistance > (this.getPlayer().getGameMode() == org.bukkit.GameMode.CREATIVE ? CREATIVE_PLACE_DISTANCE_SQUARED : SURVIVAL_PLACE_DISTANCE_SQUARED)) {
+ return;
+ }
+
+ if (!worldserver.af().a(blockposition)) {
+ return;
+ }
+
if (this.checkMovement && this.player.e((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D) < 64.0D && !this.minecraftServer.a(worldserver, blockposition, this.player) && worldserver.af().a(blockposition)) {
- this.player.playerInteractManager.interact(this.player, worldserver, itemstack, blockposition, enumdirection, packetplayinblockplace.d(), packetplayinblockplace.e(), packetplayinblockplace.f());
+ always = !this.player.playerInteractManager.interact(this.player, worldserver, itemstack, blockposition, enumdirection, packetplayinblockplace.d(), packetplayinblockplace.e(), packetplayinblockplace.f());
}
+ // CraftBukkit end
flag = true;
}
@@ -423,7 +715,8 @@
this.player.activeContainer.b();
this.player.g = false;
- if (!ItemStack.matches(this.player.inventory.getItemInHand(), packetplayinblockplace.getItemStack())) {
+ // CraftBukkit - TODO CHECK IF NEEDED -- new if structure might not need 'always'. Kept it in for now, but may be able to remove in future
+ if (!ItemStack.matches(this.player.inventory.getItemInHand(), packetplayinblockplace.getItemStack()) || always) {
this.sendPacket(new PacketPlayOutSetSlot(this.player.activeContainer.windowId, slot.rawSlotIndex, this.player.inventory.getItemInHand()));
}
}
@@ -437,8 +730,8 @@
WorldServer[] aworldserver = this.minecraftServer.worldServer;
int i = aworldserver.length;
- for (int j = 0; j < i; ++j) {
- WorldServer worldserver = aworldserver[j];
+ // CraftBukkit - use the worlds array list
+ for (WorldServer worldserver : minecraftServer.worlds) {
if (worldserver != null) {
entity = packetplayinspectate.a(worldserver);
@@ -455,6 +748,7 @@
WorldServer worldserver1 = this.player.u();
WorldServer worldserver2 = (WorldServer) entity.world;
+ /* CraftBukkit start - replace with bukkit handling for multi-world
this.player.dimension = entity.dimension;
this.sendPacket(new PacketPlayOutRespawn(this.player.dimension, worldserver1.getDifficulty(), worldserver1.getWorldData().getType(), this.player.playerInteractManager.getGameMode()));
worldserver1.removeEntity(this.player);
@@ -472,6 +766,9 @@
this.player.playerInteractManager.a(worldserver2);
this.minecraftServer.getPlayerList().b(this.player, worldserver2);
this.minecraftServer.getPlayerList().updateClient(this.player);
+ */
+ this.player.getBukkitEntity().teleport(entity.getBukkitEntity());
+ // CraftBukkit end
} else {
this.player.enderTeleportTo(entity.locX, entity.locY, entity.locZ);
}
@@ -483,14 +780,29 @@
public void a(PacketPlayInResourcePackStatus packetplayinresourcepackstatus) {}
public void a(IChatBaseComponent ichatbasecomponent) {
- PlayerConnection.c.info(this.player.getName() + " lost connection: " + ichatbasecomponent);
+ // CraftBukkit start - Rarely it would send a disconnect line twice
+ if (this.processedDisconnect) {
+ return;
+ } else {
+ this.processedDisconnect = true;
+ }
+ // CraftBukkit end
+ c.info(this.player.getName() + " lost connection: " + ichatbasecomponent.c()); // CraftBukkit - Don't toString the component
this.minecraftServer.aF();
+ // CraftBukkit start - Replace vanilla quit message handling with our own.
+ /*
ChatMessage chatmessage = new ChatMessage("multiplayer.player.left", new Object[] { this.player.getScoreboardDisplayName()});
chatmessage.getChatModifier().setColor(EnumChatFormat.YELLOW);
this.minecraftServer.getPlayerList().sendMessage(chatmessage);
+ */
+
this.player.q();
- this.minecraftServer.getPlayerList().disconnect(this.player);
+ String quitMessage = this.minecraftServer.getPlayerList().disconnect(this.player);
+ if ((quitMessage != null) && (quitMessage.length() > 0)) {
+ this.minecraftServer.getPlayerList().sendMessage(CraftChatMessage.fromString(quitMessage));
+ }
+ // CraftBukkit end
if (this.minecraftServer.S() && this.player.getName().equals(this.minecraftServer.R())) {
PlayerConnection.c.info("Stopping singleplayer server as player logged out");
this.minecraftServer.safeShutdown();
@@ -511,6 +823,15 @@
return;
}
}
+
+ // CraftBukkit start
+ if (packet == null) {
+ return;
+ } else if (packet instanceof PacketPlayOutSpawnPosition) {
+ PacketPlayOutSpawnPosition packet6 = (PacketPlayOutSpawnPosition) packet;
+ this.player.compassTarget = new Location(this.getPlayer().getWorld(), packet6.position.getX(), packet6.position.getY(), packet6.position.getZ());
+ }
+ // CraftBukkit end
try {
this.networkManager.handle(packet);
@@ -524,18 +845,34 @@
}
public void a(PacketPlayInHeldItemSlot packetplayinhelditemslot) {
+ // CraftBukkit start
+ if (this.player.dead) return;
PlayerConnectionUtils.ensureMainThread(packetplayinhelditemslot, this, this.player.u());
if (packetplayinhelditemslot.a() >= 0 && packetplayinhelditemslot.a() < PlayerInventory.getHotbarSize()) {
+ PlayerItemHeldEvent event = new PlayerItemHeldEvent(this.getPlayer(), this.player.inventory.itemInHandIndex, packetplayinhelditemslot.a());
+ this.server.getPluginManager().callEvent(event);
+ if (event.isCancelled()) {
+ this.sendPacket(new PacketPlayOutHeldItemSlot(this.player.inventory.itemInHandIndex));
+ this.player.z(); // RENAME
+ return;
+ }
+ // CraftBukkit end
this.player.inventory.itemInHandIndex = packetplayinhelditemslot.a();
this.player.z();
} else {
PlayerConnection.c.warn(this.player.getName() + " tried to set an invalid carried item");
+ this.disconnect("Nope!"); // CraftBukkit
}
}
public void a(PacketPlayInChat packetplayinchat) {
- PlayerConnectionUtils.ensureMainThread(packetplayinchat, this, this.player.u());
- if (this.player.getChatFlags() == EnumChatVisibility.HIDDEN) {
+ // CraftBukkit start - async chat
+ boolean isSync = packetplayinchat.a().startsWith("/");
+ if (packetplayinchat.a().startsWith("/")) {
+ PlayerConnectionUtils.ensureMainThread(packetplayinchat, this, this.player.u());
+ }
+ // CraftBukkit end
+ if (this.player.dead || this.player.getChatFlags() == EnumChatVisibility.HIDDEN) { // CraftBukkit - dead men tell no tales
ChatMessage chatmessage = new ChatMessage("chat.cannotSend", new Object[0]);
chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
@@ -548,39 +885,247 @@
for (int i = 0; i < s.length(); ++i) {
if (!SharedConstants.isAllowedChatCharacter(s.charAt(i))) {
- this.disconnect("Illegal characters in chat");
+ // CraftBukkit start - threadsafety
+ if (!isSync) {
+ Waitable waitable = new Waitable() {
+ @Override
+ protected Object evaluate() {
+ PlayerConnection.this.disconnect("Illegal characters in chat");
+ return null;
+ }
+ };
+
+ this.minecraftServer.processQueue.add(waitable);
+
+ try {
+ waitable.get();
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ } catch (ExecutionException e) {
+ throw new RuntimeException(e);
+ }
+ } else {
+ this.disconnect("Illegal characters in chat");
+ }
+ // CraftBukkit end
return;
}
}
- if (s.startsWith("/")) {
- this.handleCommand(s);
+ // CraftBukkit start
+ if (isSync) {
+ try {
+ this.minecraftServer.server.playerCommandState = true;
+ this.handleCommand(s);
+ } finally {
+ this.minecraftServer.server.playerCommandState = false;
+ }
+ } else if (s.isEmpty()) {
+ c.warn(this.player.getName() + " tried to send an empty message");
+ } else if (getPlayer().isConversing()) {
+ getPlayer().acceptConversationInput(s);
+ } else if (this.player.getChatFlags() == EnumChatVisibility.SYSTEM) { // Re-add "Command Only" flag check
+ ChatMessage chatmessage = new ChatMessage("chat.cannotSend", new Object[0]);
+
+ chatmessage.getChatModifier().setColor(EnumChatFormat.RED);
+ this.sendPacket(new PacketPlayOutChat(chatmessage));
+ } else if (true) {
+ this.chat(s, true);
+ // CraftBukkit end - the below is for reference. :)
} else {
ChatMessage chatmessage1 = new ChatMessage("chat.type.text", new Object[] { this.player.getScoreboardDisplayName(), s});
this.minecraftServer.getPlayerList().sendMessage(chatmessage1, false);
}
- this.chatThrottle += 20;
- if (this.chatThrottle > 200 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
- this.disconnect("disconnect.spam");
- }
+ // CraftBukkit start - replaced with thread safe throttle
+ // this.chatThrottle += 20;
+ if (chatSpamField.addAndGet(this, 20) > 200 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
+ if (!isSync) {
+ Waitable waitable = new Waitable() {
+ @Override
+ protected Object evaluate() {
+ PlayerConnection.this.disconnect("disconnect.spam");
+ return null;
+ }
+ };
+
+ this.minecraftServer.processQueue.add(waitable);
+
+ try {
+ waitable.get();
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ } catch (ExecutionException e) {
+ throw new RuntimeException(e);
+ }
+ } else {
+ this.disconnect("disconnect.spam");
+ }
+ // CraftBukkit end
+ }
+ }
+ }
+
+ // CraftBukkit start - add method
+ public void chat(String s, boolean async) {
+ if (s.isEmpty() || this.player.getChatFlags() == EnumChatVisibility.HIDDEN) {
+ return;
+ }
+
+ if (!async && s.startsWith("/")) {
+ this.handleCommand(s);
+ } else if (this.player.getChatFlags() == EnumChatVisibility.SYSTEM) {
+ // Do nothing, this is coming from a plugin
+ } else {
+ Player player = this.getPlayer();
+ AsyncPlayerChatEvent event = new AsyncPlayerChatEvent(async, player, s, new LazyPlayerSet());
+ this.server.getPluginManager().callEvent(event);
+
+ if (PlayerChatEvent.getHandlerList().getRegisteredListeners().length != 0) {
+ // Evil plugins still listening to deprecated event
+ final PlayerChatEvent queueEvent = new PlayerChatEvent(player, event.getMessage(), event.getFormat(), event.getRecipients());
+ queueEvent.setCancelled(event.isCancelled());
+ Waitable waitable = new Waitable() {
+ @Override
+ protected Object evaluate() {
+ org.bukkit.Bukkit.getPluginManager().callEvent(queueEvent);
+
+ if (queueEvent.isCancelled()) {
+ return null;
+ }
+
+ String message = String.format(queueEvent.getFormat(), queueEvent.getPlayer().getDisplayName(), queueEvent.getMessage());
+ PlayerConnection.this.minecraftServer.console.sendMessage(message);
+ if (((LazyPlayerSet) queueEvent.getRecipients()).isLazy()) {
+ for (Object player : PlayerConnection.this.minecraftServer.getPlayerList().players) {
+ ((EntityPlayer) player).sendMessage(CraftChatMessage.fromString(message));
+ }
+ } else {
+ for (Player player : queueEvent.getRecipients()) {
+ player.sendMessage(message);
+ }
+ }
+ return null;
+ }};
+ if (async) {
+ minecraftServer.processQueue.add(waitable);
+ } else {
+ waitable.run();
+ }
+ try {
+ waitable.get();
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt(); // This is proper habit for java. If we aren't handling it, pass it on!
+ } catch (ExecutionException e) {
+ throw new RuntimeException("Exception processing chat event", e.getCause());
+ }
+ } else {
+ if (event.isCancelled()) {
+ return;
+ }
+ s = String.format(event.getFormat(), event.getPlayer().getDisplayName(), event.getMessage());
+ minecraftServer.console.sendMessage(s);
+ if (((LazyPlayerSet) event.getRecipients()).isLazy()) {
+ for (Object recipient : minecraftServer.getPlayerList().players) {
+ ((EntityPlayer) recipient).sendMessage(CraftChatMessage.fromString(s));
+ }
+ } else {
+ for (Player recipient : event.getRecipients()) {
+ recipient.sendMessage(s);
+ }
+ }
+ }
}
}
+ // CraftBukkit end
private void handleCommand(String s) {
- this.minecraftServer.getCommandHandler().a(this.player, s);
+ // CraftBukkit start - whole method
+ this.c.info(this.player.getName() + " issued server command: " + s);
+
+ CraftPlayer player = this.getPlayer();
+
+ PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(player, s, new LazyPlayerSet());
+ this.server.getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ return;
+ }
+
+ try {
+ if (this.server.dispatchCommand(event.getPlayer(), event.getMessage().substring(1))) {
+ return;
+ }
+ } catch (org.bukkit.command.CommandException ex) {
+ player.sendMessage(org.bukkit.ChatColor.RED + "An internal error occurred while attempting to perform this command");
+ java.util.logging.Logger.getLogger(PlayerConnection.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+ return;
+ }
+ // this.minecraftServer.getCommandHandler().a(this.player, s);
+ // CraftBukkit end
}
public void a(PacketPlayInArmAnimation packetplayinarmanimation) {
+ if (this.player.dead) return; // CraftBukkit
PlayerConnectionUtils.ensureMainThread(packetplayinarmanimation, this, this.player.u());
this.player.z();
+ // CraftBukkit start - Raytrace to look for 'rogue armswings'
+ float f1 = this.player.pitch;
+ float f2 = this.player.yaw;
+ double d0 = this.player.locX;
+ double d1 = this.player.locY + (double) this.player.getHeadHeight();
+ double d2 = this.player.locZ;
+ Vec3D vec3d = new Vec3D(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 = player.playerInteractManager.getGameMode() == EnumGamemode.CREATIVE ? 5.0D : 4.5D;
+ Vec3D vec3d1 = vec3d.add((double) f7 * d3, (double) f6 * d3, (double) f8 * d3);
+ MovingObjectPosition movingobjectposition = this.player.world.rayTrace(vec3d, vec3d1, false);
+
+ if (movingobjectposition == null || movingobjectposition.type != EnumMovingObjectType.BLOCK) {
+ CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_AIR, this.player.inventory.getItemInHand());
+ }
+
+ // Arm swing animation
+ PlayerAnimationEvent event = new PlayerAnimationEvent(this.getPlayer());
+ this.server.getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) return;
+ // CraftBukkit end
this.player.bv();
}
public void a(PacketPlayInEntityAction packetplayinentityaction) {
PlayerConnectionUtils.ensureMainThread(packetplayinentityaction, this, this.player.u());
+ // CraftBukkit start
+ if (this.player.dead) return;
+ switch (packetplayinentityaction.b()) {
+ case START_SNEAKING:
+ case STOP_SNEAKING:
+ PlayerToggleSneakEvent event = new PlayerToggleSneakEvent(this.getPlayer(), packetplayinentityaction.b() == EnumPlayerAction.START_SNEAKING);
+ this.server.getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ return;
+ }
+ break;
+ case START_SPRINTING:
+ case STOP_SPRINTING:
+ PlayerToggleSprintEvent e2 = new PlayerToggleSprintEvent(this.getPlayer(), packetplayinentityaction.b() == EnumPlayerAction.START_SPRINTING);
+ this.server.getPluginManager().callEvent(e2);
+
+ if (e2.isCancelled()) {
+ return;
+ }
+ break;
+ }
this.player.z();
switch (SwitchHelperCommandActionType.b[packetplayinentityaction.b().ordinal()]) {
case 1:
@@ -601,7 +1146,7 @@
case 5:
this.player.a(false, true, true);
- this.checkMovement = false;
+ // this.checkMovement = false; // CraftBukkit - this is handled in teleport
break;
case 6:
@@ -623,6 +1168,7 @@
}
public void a(PacketPlayInUseEntity packetplayinuseentity) {
+ if (this.player.dead) return; // CraftBukkit
PlayerConnectionUtils.ensureMainThread(packetplayinuseentity, this, this.player.u());
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
Entity entity = packetplayinuseentity.a((World) worldserver);
@@ -637,18 +1183,72 @@
}
if (this.player.h(entity) < d0) {
+ ItemStack itemInHand = this.player.inventory.getItemInHand(); // CraftBukkit
+
+ if (packetplayinuseentity.a() == EnumEntityUseAction.INTERACT
+ || packetplayinuseentity.a() == EnumEntityUseAction.INTERACT_AT) {
+ // CraftBukkit start
+ boolean triggerTagUpdate = itemInHand != null && itemInHand.getItem() == Items.NAME_TAG && entity instanceof EntityInsentient;
+ boolean triggerChestUpdate = itemInHand != null && itemInHand.getItem() == Item.getItemOf(Blocks.CHEST) && entity instanceof EntityHorse;
+ boolean triggerLeashUpdate = itemInHand != null && itemInHand.getItem() == Items.LEAD && entity instanceof EntityInsentient;
+ PlayerInteractEntityEvent event;
+ if (packetplayinuseentity.a() == EnumEntityUseAction.INTERACT) {
+ event = new PlayerInteractEntityEvent((Player) this.getPlayer(), entity.getBukkitEntity());
+ } else {
+ Vec3D target = packetplayinuseentity.b();
+ event = new PlayerInteractAtEntityEvent((Player) this.getPlayer(), entity.getBukkitEntity(), new org.bukkit.util.Vector(target.a, target.b, target.c));
+ }
+ this.server.getPluginManager().callEvent(event);
+
+ if (triggerLeashUpdate && (event.isCancelled() || this.player.inventory.getItemInHand() == null || this.player.inventory.getItemInHand().getItem() != Items.LEAD)) {
+ // Refresh the current leash state
+ this.sendPacket(new PacketPlayOutAttachEntity(1, entity, ((EntityInsentient) entity).getLeashHolder()));
+ }
+
+ if (triggerTagUpdate && (event.isCancelled() || this.player.inventory.getItemInHand() == null || this.player.inventory.getItemInHand().getItem() != Items.NAME_TAG)) {
+ // Refresh the current entity metadata
+ this.sendPacket(new PacketPlayOutEntityMetadata(entity.getId(), entity.datawatcher, true));
+ }
+ if (triggerChestUpdate && (event.isCancelled() || this.player.inventory.getItemInHand() == null || this.player.inventory.getItemInHand().getItem() != Item.getItemOf(Blocks.CHEST))) {
+ this.sendPacket(new PacketPlayOutEntityMetadata(entity.getId(), entity.datawatcher, true));
+ }
+
+ if (event.isCancelled()) {
+ return;
+ }
+ // CraftBukkit end
+ }
+
if (packetplayinuseentity.a() == EnumEntityUseAction.INTERACT) {
this.player.u(entity);
+
+ // CraftBukkit start
+ if (itemInHand != null && itemInHand.count <= -1) {
+ this.player.updateInventory(this.player.activeContainer);
+ }
+ // CraftBukkit end
} else if (packetplayinuseentity.a() == EnumEntityUseAction.INTERACT_AT) {
entity.a((EntityHuman) this.player, packetplayinuseentity.b());
+
+ // CraftBukkit start
+ if (itemInHand != null && itemInHand.count <= -1) {
+ this.player.updateInventory(this.player.activeContainer);
+ }
+ // CraftBukkit end
} else if (packetplayinuseentity.a() == EnumEntityUseAction.ATTACK) {
- if (entity instanceof EntityItem || entity instanceof EntityExperienceOrb || entity instanceof EntityArrow || entity == this.player) {
+ if (entity instanceof EntityItem || entity instanceof EntityExperienceOrb || entity instanceof EntityArrow || (entity == this.player && !player.v())) { // CraftBukkit, RENAME
this.disconnect("Attempting to attack an invalid entity");
this.minecraftServer.warning("Player " + this.player.getName() + " tried to attack an invalid entity");
return;
}
this.player.attack(entity);
+
+ // CraftBukkit start
+ if (itemInHand != null && itemInHand.count <= -1) {
+ this.player.updateInventory(this.player.activeContainer);
+ }
+ // CraftBukkit end
}
}
}
@@ -663,7 +1263,8 @@
switch (SwitchHelperCommandActionType.c[enumclientcommand.ordinal()]) {
case 1:
if (this.player.viewingCredits) {
- this.player = this.minecraftServer.getPlayerList().moveToWorld(this.player, 0, true);
+ // this.player = this.minecraftServer.getPlayerList().moveToWorld(this.player, 0, true);
+ this.minecraftServer.getPlayerList().changeDimension(this.player, 0, PlayerTeleportEvent.TeleportCause.END_PORTAL); // CraftBukkit - reroute logic through custom portal management
} else if (this.player.u().getWorldData().isHardcore()) {
if (this.minecraftServer.S() && this.player.getName().equals(this.minecraftServer.R())) {
this.player.playerConnection.disconnect("You have died. Game over, man, it\'s game over!");
@@ -694,11 +1295,17 @@
}
public void a(PacketPlayInCloseWindow packetplayinclosewindow) {
+ if (this.player.dead) return; // CraftBukkit
PlayerConnectionUtils.ensureMainThread(packetplayinclosewindow, this, this.player.u());
+
+ CraftEventFactory.handleInventoryCloseEvent(this.player); // CraftBukkit
+
this.player.p();
}
public void a(PacketPlayInWindowClick packetplayinwindowclick) {
+ if (this.player.dead) return; // CraftBukkit
+
PlayerConnectionUtils.ensureMainThread(packetplayinwindowclick, this, this.player.u());
this.player.z();
if (this.player.activeContainer.windowId == packetplayinwindowclick.a() && this.player.activeContainer.c(this.player)) {
@@ -711,7 +1318,269 @@
this.player.a(this.player.activeContainer, (List) arraylist);
} else {
- ItemStack itemstack = this.player.activeContainer.clickItem(packetplayinwindowclick.b(), packetplayinwindowclick.c(), packetplayinwindowclick.f(), this.player);
+ // ItemStack itemstack = this.player.activeContainer.clickItem(packetplayinwindowclick.b(), packetplayinwindowclick.c(), packetplayinwindowclick.f(), this.player);
+ // CraftBukkit start - Call InventoryClickEvent
+ if (packetplayinwindowclick.b() < -1 && packetplayinwindowclick.b() != -999) {
+ return;
+ }
+
+ InventoryView inventory = this.player.activeContainer.getBukkitView();
+ SlotType type = CraftInventoryView.getSlotType(inventory, packetplayinwindowclick.b());
+
+ InventoryClickEvent event = null;
+ ClickType click = ClickType.UNKNOWN;
+ InventoryAction action = InventoryAction.UNKNOWN;
+
+ ItemStack itemstack = null;
+
+ if (packetplayinwindowclick.b() == -1) {
+ type = SlotType.OUTSIDE; // override
+ click = packetplayinwindowclick.c() == 0 ? ClickType.WINDOW_BORDER_LEFT : ClickType.WINDOW_BORDER_RIGHT;
+ action = InventoryAction.NOTHING;
+ } else if (packetplayinwindowclick.f() == 0) {
+ if (packetplayinwindowclick.c() == 0) {
+ click = ClickType.LEFT;
+ } else if (packetplayinwindowclick.c() == 1) {
+ click = ClickType.RIGHT;
+ }
+ if (packetplayinwindowclick.c() == 0 || packetplayinwindowclick.c() == 1) {
+ action = InventoryAction.NOTHING; // Don't want to repeat ourselves
+ if (packetplayinwindowclick.b() == -999) {
+ if (player.inventory.getCarried() != null) {
+ action = packetplayinwindowclick.c() == 0 ? InventoryAction.DROP_ALL_CURSOR : InventoryAction.DROP_ONE_CURSOR;
+ }
+ } else {
+ Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
+ if (slot != null) {
+ ItemStack clickedItem = slot.getItem();
+ ItemStack cursor = player.inventory.getCarried();
+ if (clickedItem == null) {
+ if (cursor != null) {
+ action = packetplayinwindowclick.c() == 0 ? InventoryAction.PLACE_ALL : InventoryAction.PLACE_ONE;
+ }
+ } else if (slot.isAllowed(player)) {
+ if (cursor == null) {
+ action = packetplayinwindowclick.c() == 0 ? InventoryAction.PICKUP_ALL : InventoryAction.PICKUP_HALF;
+ } else if (slot.isAllowed(cursor)) {
+ if (clickedItem.doMaterialsMatch(cursor) && ItemStack.equals(clickedItem, cursor)) {
+ int toPlace = packetplayinwindowclick.c() == 0 ? cursor.count : 1;
+ toPlace = Math.min(toPlace, clickedItem.getMaxStackSize() - clickedItem.count);
+ toPlace = Math.min(toPlace, slot.inventory.getMaxStackSize() - clickedItem.count);
+ if (toPlace == 1) {
+ action = InventoryAction.PLACE_ONE;
+ } else if (toPlace == cursor.count) {
+ action = InventoryAction.PLACE_ALL;
+ } else if (toPlace < 0) {
+ action = toPlace != -1 ? InventoryAction.PICKUP_SOME : InventoryAction.PICKUP_ONE; // this happens with oversized stacks
+ } else if (toPlace != 0) {
+ action = InventoryAction.PLACE_SOME;
+ }
+ } else if (cursor.count <= slot.getMaxStackSize()) {
+ action = InventoryAction.SWAP_WITH_CURSOR;
+ }
+ } else if (cursor.getItem() == clickedItem.getItem() && (!cursor.usesData() || cursor.getData() == clickedItem.getData()) && ItemStack.equals(cursor, clickedItem)) {
+ if (clickedItem.count >= 0) {
+ if (clickedItem.count + cursor.count <= cursor.getMaxStackSize()) {
+ // As of 1.5, this is result slots only
+ action = InventoryAction.PICKUP_ALL;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ } else if (packetplayinwindowclick.f() == 1) {
+ if (packetplayinwindowclick.c() == 0) {
+ click = ClickType.SHIFT_LEFT;
+ } else if (packetplayinwindowclick.c() == 1) {
+ click = ClickType.SHIFT_RIGHT;
+ }
+ if (packetplayinwindowclick.c() == 0 || packetplayinwindowclick.c() == 1) {
+ if (packetplayinwindowclick.b() < 0) {
+ action = InventoryAction.NOTHING;
+ } else {
+ Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
+ if (slot != null && slot.isAllowed(this.player) && slot.hasItem()) {
+ action = InventoryAction.MOVE_TO_OTHER_INVENTORY;
+ } else {
+ action = InventoryAction.NOTHING;
+ }
+ }
+ }
+ } else if (packetplayinwindowclick.f() == 2) {
+ if (packetplayinwindowclick.c() >= 0 && packetplayinwindowclick.c() < 9) {
+ click = ClickType.NUMBER_KEY;
+ Slot clickedSlot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
+ if (clickedSlot.isAllowed(player)) {
+ ItemStack hotbar = this.player.inventory.getItem(packetplayinwindowclick.c());
+ boolean canCleanSwap = hotbar == null || (clickedSlot.inventory == player.inventory && clickedSlot.isAllowed(hotbar)); // the slot will accept the hotbar item
+ if (clickedSlot.hasItem()) {
+ if (canCleanSwap) {
+ action = InventoryAction.HOTBAR_SWAP;
+ } else {
+ int firstEmptySlot = player.inventory.getFirstEmptySlotIndex();
+ if (firstEmptySlot > -1) {
+ action = InventoryAction.HOTBAR_MOVE_AND_READD;
+ } else {
+ action = InventoryAction.NOTHING; // This is not sane! Mojang: You should test for other slots of same type
+ }
+ }
+ } else if (!clickedSlot.hasItem() && hotbar != null && clickedSlot.isAllowed(hotbar)) {
+ action = InventoryAction.HOTBAR_SWAP;
+ } else {
+ action = InventoryAction.NOTHING;
+ }
+ } else {
+ action = InventoryAction.NOTHING;
+ }
+ // Special constructor for number key
+ event = new InventoryClickEvent(inventory, type, packetplayinwindowclick.b(), click, action, packetplayinwindowclick.c());
+ }
+ } else if (packetplayinwindowclick.f() == 3) {
+ if (packetplayinwindowclick.c() == 2) {
+ click = ClickType.MIDDLE;
+ if (packetplayinwindowclick.b() == -999) {
+ action = InventoryAction.NOTHING;
+ } else {
+ Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
+ if (slot != null && slot.hasItem() && player.abilities.canInstantlyBuild && player.inventory.getCarried() == null) {
+ action = InventoryAction.CLONE_STACK;
+ } else {
+ action = InventoryAction.NOTHING;
+ }
+ }
+ } else {
+ click = ClickType.UNKNOWN;
+ action = InventoryAction.UNKNOWN;
+ }
+ } else if (packetplayinwindowclick.f() == 4) {
+ if (packetplayinwindowclick.b() >= 0) {
+ if (packetplayinwindowclick.c() == 0) {
+ click = ClickType.DROP;
+ Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
+ if (slot != null && slot.hasItem() && slot.isAllowed(player) && slot.getItem() != null && slot.getItem().getItem() != Item.getItemOf(Blocks.AIR)) {
+ action = InventoryAction.DROP_ONE_SLOT;
+ } else {
+ action = InventoryAction.NOTHING;
+ }
+ } else if (packetplayinwindowclick.c() == 1) {
+ click = ClickType.CONTROL_DROP;
+ Slot slot = this.player.activeContainer.getSlot(packetplayinwindowclick.b());
+ if (slot != null && slot.hasItem() && slot.isAllowed(player) && slot.getItem() != null && slot.getItem().getItem() != Item.getItemOf(Blocks.AIR)) {
+ action = InventoryAction.DROP_ALL_SLOT;
+ } else {
+ action = InventoryAction.NOTHING;
+ }
+ }
+ } else {
+ // Sane default (because this happens when they are holding nothing. Don't ask why.)
+ click = ClickType.LEFT;
+ if (packetplayinwindowclick.c() == 1) {
+ click = ClickType.RIGHT;
+ }
+ action = InventoryAction.NOTHING;
+ }
+ } else if (packetplayinwindowclick.f() == 5) {
+ itemstack = this.player.activeContainer.clickItem(packetplayinwindowclick.b(), packetplayinwindowclick.c(), 5, this.player);
+ } else if (packetplayinwindowclick.f() == 6) {
+ click = ClickType.DOUBLE_CLICK;
+ action = InventoryAction.NOTHING;
+ if (packetplayinwindowclick.b() >= 0 && this.player.inventory.getCarried() != null) {
+ ItemStack cursor = this.player.inventory.getCarried();
+ action = InventoryAction.NOTHING;
+ // Quick check for if we have any of the item
+ if (inventory.getTopInventory().contains(org.bukkit.Material.getMaterial(Item.getId(cursor.getItem()))) || inventory.getBottomInventory().contains(org.bukkit.Material.getMaterial(Item.getId(cursor.getItem())))) {
+ action = InventoryAction.COLLECT_TO_CURSOR;
+ }
+ }
+ }
+ // TODO check on updates
+
+ if (packetplayinwindowclick.f() != 5) {
+ if (click == ClickType.NUMBER_KEY) {
+ event = new InventoryClickEvent(inventory, type, packetplayinwindowclick.b(), click, action, packetplayinwindowclick.c());
+ } else {
+ event = new InventoryClickEvent(inventory, type, packetplayinwindowclick.b(), click, action);
+ }
+
+ org.bukkit.inventory.Inventory top = inventory.getTopInventory();
+ if (packetplayinwindowclick.b() == 0 && top instanceof CraftingInventory) {
+ org.bukkit.inventory.Recipe recipe = ((CraftingInventory) top).getRecipe();
+ if (recipe != null) {
+ if (click == ClickType.NUMBER_KEY) {
+ event = new CraftItemEvent(recipe, inventory, type, packetplayinwindowclick.b(), click, action, packetplayinwindowclick.c());
+ } else {
+ event = new CraftItemEvent(recipe, inventory, type, packetplayinwindowclick.b(), click, action);
+ }
+ }
+ }
+
+ server.getPluginManager().callEvent(event);
+
+ switch (event.getResult()) {
+ case ALLOW:
+ case DEFAULT:
+ itemstack = this.player.activeContainer.clickItem(packetplayinwindowclick.b(), packetplayinwindowclick.c(), packetplayinwindowclick.f(), this.player);
+ break;
+ case DENY:
+ /* Needs enum constructor in InventoryAction
+ if (action.modifiesOtherSlots()) {
+
+ } else {
+ if (action.modifiesCursor()) {
+ this.player.playerConnection.sendPacket(new Packet103SetSlot(-1, -1, this.player.inventory.getCarried()));
+ }
+ if (action.modifiesClicked()) {
+ this.player.playerConnection.sendPacket(new Packet103SetSlot(this.player.activeContainer.windowId, packet102windowclick.slot, this.player.activeContainer.getSlot(packet102windowclick.slot).getItem()));
+ }
+ }*/
+ switch (action) {
+ // Modified other slots
+ case PICKUP_ALL:
+ case MOVE_TO_OTHER_INVENTORY:
+ case HOTBAR_MOVE_AND_READD:
+ case HOTBAR_SWAP:
+ case COLLECT_TO_CURSOR:
+ case UNKNOWN:
+ this.player.updateInventory(this.player.activeContainer);
+ break;
+ // Modified cursor and clicked
+ case PICKUP_SOME:
+ case PICKUP_HALF:
+ case PICKUP_ONE:
+ case PLACE_ALL:
+ case PLACE_SOME:
+ case PLACE_ONE:
+ case SWAP_WITH_CURSOR:
+ this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, this.player.inventory.getCarried()));
+ this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(this.player.activeContainer.windowId, packetplayinwindowclick.b(), this.player.activeContainer.getSlot(packetplayinwindowclick.b()).getItem()));
+ break;
+ // Modified clicked only
+ case DROP_ALL_SLOT:
+ case DROP_ONE_SLOT:
+ this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(this.player.activeContainer.windowId, packetplayinwindowclick.b(), this.player.activeContainer.getSlot(packetplayinwindowclick.b()).getItem()));
+ break;
+ // Modified cursor only
+ case DROP_ALL_CURSOR:
+ case DROP_ONE_CURSOR:
+ case CLONE_STACK:
+ this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, this.player.inventory.getCarried()));
+ break;
+ // Nothing
+ case NOTHING:
+ break;
+ }
+ return;
+ }
+
+ if (event instanceof CraftItemEvent) {
+ // Need to update the inventory on crafting to
+ // correctly support custom recipes
+ player.updateInventory(player.activeContainer);
+ }
+ }
+ // CraftBukkit end
if (ItemStack.matches(packetplayinwindowclick.e(), itemstack)) {
this.player.playerConnection.sendPacket(new PacketPlayOutTransaction(packetplayinwindowclick.a(), packetplayinwindowclick.d(), true));
@@ -772,8 +1641,50 @@
}
boolean flag1 = packetplayinsetcreativeslot.a() >= 1 && packetplayinsetcreativeslot.a() < 36 + PlayerInventory.getHotbarSize();
- boolean flag2 = itemstack == null || itemstack.getItem() != null;
+ // CraftBukkit - Add invalidItems check
+ boolean flag2 = itemstack == null || itemstack.getItem() != null && !invalidItems.contains(Item.getId(itemstack.getItem()));
boolean flag3 = itemstack == null || itemstack.getData() >= 0 && itemstack.count <= 64 && itemstack.count > 0;
+
+
+ // CraftBukkit start - Call click event
+ if (flag || (flag1 && !ItemStack.matches(this.player.defaultContainer.getSlot(packetplayinsetcreativeslot.a()).getItem(), packetplayinsetcreativeslot.getItemStack()))) { // Insist on valid slot
+
+ org.bukkit.entity.HumanEntity player = this.player.getBukkitEntity();
+ InventoryView inventory = new CraftInventoryView(player, player.getInventory(), this.player.defaultContainer);
+ org.bukkit.inventory.ItemStack item = CraftItemStack.asBukkitCopy(packetplayinsetcreativeslot.getItemStack());
+
+ SlotType type = SlotType.QUICKBAR;
+ if (flag) {
+ type = SlotType.OUTSIDE;
+ } else if (packetplayinsetcreativeslot.a() < 36) {
+ if (packetplayinsetcreativeslot.a() >= 5 && packetplayinsetcreativeslot.a() < 9) {
+ type = SlotType.ARMOR;
+ } else {
+ type = SlotType.CONTAINER;
+ }
+ }
+ InventoryCreativeEvent event = new InventoryCreativeEvent(inventory, type, flag ? -999 : packetplayinsetcreativeslot.a(), item);
+ server.getPluginManager().callEvent(event);
+
+ itemstack = CraftItemStack.asNMSCopy(event.getCursor());
+
+ switch (event.getResult()) {
+ case ALLOW:
+ // Plugin cleared the id / stacksize checks
+ flag2 = flag3 = true;
+ break;
+ case DEFAULT:
+ break;
+ case DENY:
+ // Reset the slot
+ if (packetplayinsetcreativeslot.a() >= 0) {
+ this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(this.player.defaultContainer.windowId, packetplayinsetcreativeslot.a(), this.player.defaultContainer.getSlot(packetplayinsetcreativeslot.a()).getItem()));
+ this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-1, -1, null));
+ }
+ return;
+ }
+ }
+ // CraftBukkit end
if (flag1 && flag2 && flag3) {
if (itemstack == null) {
@@ -796,6 +1707,7 @@
}
public void a(PacketPlayInTransaction packetplayintransaction) {
+ if (this.player.dead) return; // CraftBukkit
PlayerConnectionUtils.ensureMainThread(packetplayintransaction, this, this.player.u());
Short oshort = (Short) this.n.get(this.player.activeContainer.windowId);
@@ -806,6 +1718,7 @@
}
public void a(PacketPlayInUpdateSign packetplayinupdatesign) {
+ if (this.player.dead) return; // CraftBukkit
PlayerConnectionUtils.ensureMainThread(packetplayinupdatesign, this, this.player.u());
this.player.z();
WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
@@ -822,10 +1735,24 @@
if (!tileentitysign.b() || tileentitysign.c() != this.player) {
this.minecraftServer.warning("Player " + this.player.getName() + " just tried to change non-editable sign");
+ this.sendPacket(new PacketPlayOutUpdateSign(tileentity.world, packetplayinupdatesign.a(), tileentitysign.lines)); // CraftBukkit
return;
}
- System.arraycopy(packetplayinupdatesign.b(), 0, tileentitysign.lines, 0, 4);
+ // CraftBukkit start
+ Player player = this.server.getPlayer(this.player);
+ int x = packetplayinupdatesign.a().getX();
+ int y = packetplayinupdatesign.a().getY();
+ int z = packetplayinupdatesign.a().getZ();
+ SignChangeEvent event = new SignChangeEvent((org.bukkit.craftbukkit.block.CraftBlock) player.getWorld().getBlockAt(x, y, z), this.server.getPlayer(this.player), org.bukkit.craftbukkit.block.CraftSign.revertComponents(packetplayinupdatesign.b()));
+ this.server.getPluginManager().callEvent(event);
+
+ if (!event.isCancelled()) {
+ System.arraycopy(org.bukkit.craftbukkit.block.CraftSign.sanitizeLines(event.getLines()), 0, tileentitysign.lines, 0, 4);
+ tileentitysign.isEditable = false;
+ }
+ // System.arraycopy(packetplayinupdatesign.b(), 0, tileentitysign.lines, 0, 4);
+ // CraftBukkit end
tileentitysign.update();
worldserver.notify(blockposition);
}
@@ -847,11 +1774,28 @@
public void a(PacketPlayInAbilities packetplayinabilities) {
PlayerConnectionUtils.ensureMainThread(packetplayinabilities, this, this.player.u());
- this.player.abilities.isFlying = packetplayinabilities.isFlying() && this.player.abilities.canFly;
+ // CraftBukkit start
+ if (this.player.abilities.canFly && this.player.abilities.isFlying != packetplayinabilities.isFlying()) {
+ PlayerToggleFlightEvent event = new PlayerToggleFlightEvent(this.server.getPlayer(this.player), packetplayinabilities.isFlying());
+ this.server.getPluginManager().callEvent(event);
+ if (!event.isCancelled()) {
+ this.player.abilities.isFlying = packetplayinabilities.isFlying(); // Actually set the player's flying status
+ } else {
+ this.player.updateAbilities(); // Tell the player their ability was reverted
+ }
+ }
+ // CraftBukkit end
}
public void a(PacketPlayInTabComplete packetplayintabcomplete) {
PlayerConnectionUtils.ensureMainThread(packetplayintabcomplete, this, this.player.u());
+ // CraftBukkit start
+ if (chatSpamField.addAndGet(this, 20) > 200 && !this.minecraftServer.getPlayerList().isOp(this.player.getProfile())) {
+ this.disconnect("disconnect.spam");
+ return;
+ }
+ // CraftBukkit end
+
ArrayList arraylist = Lists.newArrayList();
Iterator iterator = this.minecraftServer.tabCompleteCommand(this.player, packetplayintabcomplete.a(), packetplayintabcomplete.b()).iterator();
@@ -891,13 +1835,15 @@
itemstack1 = this.player.inventory.getItemInHand();
if (itemstack1 != null) {
if (itemstack.getItem() == Items.WRITABLE_BOOK && itemstack.getItem() == itemstack1.getItem()) {
- itemstack1.a("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
+ // itemstack1.a("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
+ CraftEventFactory.handleEditBookEvent(player, itemstack); // CraftBukkit
}
return;
}
} catch (Exception exception) {
PlayerConnection.c.error("Couldn\'t handle book info", exception);
+ this.disconnect("Invalid book data!"); // CraftBukkit
return;
} finally {
packetdataserializer.release();
@@ -909,27 +1855,31 @@
try {
itemstack = packetdataserializer.i();
- if (itemstack == null) {
- return;
- }
+ if (itemstack != null) {
+ if (!ItemWrittenBook.b(itemstack.getTag())) {
+ throw new IOException("Invalid book tag!");
+ }
- if (!ItemWrittenBook.b(itemstack.getTag())) {
- throw new IOException("Invalid book tag!");
- }
+ itemstack1 = this.player.inventory.getItemInHand();
+ if (itemstack1 == null) {
+ return;
+ }
- itemstack1 = this.player.inventory.getItemInHand();
- if (itemstack1 != null) {
if (itemstack.getItem() == Items.WRITTEN_BOOK && itemstack1.getItem() == Items.WRITABLE_BOOK) {
- itemstack1.a("author", (NBTBase) (new NBTTagString(this.player.getName())));
- itemstack1.a("title", (NBTBase) (new NBTTagString(itemstack.getTag().getString("title"))));
- itemstack1.a("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
- itemstack1.setItem(Items.WRITTEN_BOOK);
+ // CraftBukkit start
+ // itemstack1.a("author", (NBTBase) (new NBTTagString(this.player.getName())));
+ // itemstack1.a("title", (NBTBase) (new NBTTagString(itemstack.getTag().getString("title"))));
+ // itemstack1.a("pages", (NBTBase) itemstack.getTag().getList("pages", 8));
+ // itemstack1.setItem(Items.WRITTEN_BOOK);
+ CraftEventFactory.handleEditBookEvent(player, itemstack);
+ // CraftBukkit end
}
return;
}
} catch (Exception exception1) {
PlayerConnection.c.error("Couldn\'t sign book", exception1);
+ this.disconnect("Invalid book data!"); // CraftBukkit
return;
} finally {
packetdataserializer.release();
@@ -946,11 +1896,12 @@
}
} catch (Exception exception2) {
PlayerConnection.c.error("Couldn\'t select trade", exception2);
+ this.disconnect("Invalid trade data!"); // CraftBukkit
}
} else if ("MC|AdvCdm".equals(packetplayincustompayload.a())) {
if (!this.minecraftServer.getEnableCommandBlock()) {
this.player.sendMessage(new ChatMessage("advMode.notEnabled", new Object[0]));
- } else if (this.player.a(2, "") && this.player.abilities.canInstantlyBuild) {
+ } else if (this.player.getBukkitEntity().isOp() && this.player.abilities.canInstantlyBuild) { // CraftBukkit - Change to Bukkit OP versus Vanilla OP
packetdataserializer = packetplayincustompayload.b();
try {
@@ -986,6 +1937,7 @@
}
} catch (Exception exception3) {
PlayerConnection.c.error("Couldn\'t set command block", exception3);
+ this.disconnect("Invalid CommandBlock data!"); // CraftBukkit
} finally {
packetdataserializer.release();
}
@@ -1011,6 +1963,7 @@
}
} catch (Exception exception4) {
PlayerConnection.c.error("Couldn\'t set beacon", exception4);
+ this.disconnect("Invalid beacon data!"); // CraftBukkit
}
}
} else if ("MC|ItemName".equals(packetplayincustompayload.a()) && this.player.activeContainer instanceof ContainerAnvil) {
@@ -1026,6 +1979,27 @@
containeranvil.a("");
}
}
+ // CraftBukkit start
+ else if (packetplayincustompayload.a().equals("REGISTER")) {
+ String channels = packetplayincustompayload.b().toString(com.google.common.base.Charsets.UTF_8);
+ for (String channel : channels.split("\0")) {
+ getPlayer().addChannel(channel);
+ }
+ } else if (packetplayincustompayload.a().equals("UNREGISTER")) {
+ String channels = packetplayincustompayload.b().toString(com.google.common.base.Charsets.UTF_8);
+ for (String channel : channels.split("\0")) {
+ getPlayer().removeChannel(channel);
+ }
+ } else {
+ byte[] data = new byte[packetplayincustompayload.b().readableBytes()];
+ packetplayincustompayload.b().readBytes(data);
+ server.getMessenger().dispatchIncomingMessage(player.getBukkitEntity(), packetplayincustompayload.a(), data);
+ }
+ // CraftBukkit end
+ }
+ // CraftBukkit start - Add "isDisconnected" method
+ public final boolean isDisconnected() {
+ return !this.player.joining && !NetworkManager.a(this.networkManager).config().isAutoRead();
}
}
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