SpigotMC/LibsDisguises
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Fix crashes as reported by andrewkm

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This commit is contained in:
libraryaddict 2014-01-31 22:56:05 +13:00
parent 6c6d6c6fe2
commit a3297c918b
2 changed files with 41 additions and 23 deletions
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59
src/me/libraryaddict/disguise/utilities/DisguiseUtilities.java
View File

@ -1,6 +1,7 @@
package me.libraryaddict.disguise.utilities;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
@ -385,6 +386,22 @@ public class DisguiseUtilities {
}
}
/**
* Method to send a packet to the self disguise, translate his entity ID to the fake id.
*/
private static void sendSelfPacket(Player player, PacketContainer packet, int fakeId) {
PacketContainer[] packets = PacketsManager.transformPacket(packet, player);
try {
for (PacketContainer p : packets) {
p = p.deepClone();
p.getIntegers().write(0, fakeId);
ProtocolLibrary.getProtocolManager().sendServerPacket(player, p, false);
}
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
/**
* Sends the self disguise to the player
*/
@ -415,12 +432,12 @@ public class DisguiseUtilities {
.getNmsEntity(player));
ProtocolManager manager = ProtocolLibrary.getProtocolManager();
// Send the player a packet with himself being spawned
manager.sendServerPacket(player, manager.createPacketConstructor(PacketType.Play.Server.NAMED_ENTITY_SPAWN, player)
.createPacket(player));
sendSelfPacket(player, manager.createPacketConstructor(PacketType.Play.Server.NAMED_ENTITY_SPAWN, player)
.createPacket(player), fakeId);
manager.sendServerPacket(
player,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, fakeId,
WrappedDataWatcher.getEntityWatcher(player), true).createPacket(fakeId,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, player.getEntityId(),
WrappedDataWatcher.getEntityWatcher(player), true).createPacket(player.getEntityId(),
WrappedDataWatcher.getEntityWatcher(player), true));
boolean isMoving = false;
@ -434,22 +451,22 @@ public class DisguiseUtilities {
// Send the velocity packets
if (isMoving) {
Vector velocity = player.getVelocity();
manager.sendServerPacket(
sendSelfPacket(
player,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_VELOCITY, fakeId, velocity.getX(),
velocity.getY(), velocity.getZ()).createPacket(fakeId, velocity.getX(), velocity.getY(),
velocity.getZ()));
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_VELOCITY, player.getEntityId(),
velocity.getX(), velocity.getY(), velocity.getZ()).createPacket(player.getEntityId(),
velocity.getX(), velocity.getY(), velocity.getZ()), fakeId);
}
// Why the hell would he even need this. Meh.
if (player.getVehicle() != null && player.getEntityId() > player.getVehicle().getEntityId()) {
manager.sendServerPacket(player,
sendSelfPacket(player,
manager.createPacketConstructor(PacketType.Play.Server.ATTACH_ENTITY, 0, player, player.getVehicle())
.createPacket(0, player, player.getVehicle()));
.createPacket(0, player, player.getVehicle()), fakeId);
} else if (player.getPassenger() != null && player.getEntityId() > player.getPassenger().getEntityId()) {
manager.sendServerPacket(player,
sendSelfPacket(player,
manager.createPacketConstructor(PacketType.Play.Server.ATTACH_ENTITY, 0, player.getPassenger(), player)
.createPacket(0, player.getPassenger(), player));
.createPacket(0, player.getPassenger(), player), fakeId);
}
// Resend the armor
@ -462,28 +479,28 @@ public class DisguiseUtilities {
}
if (item != null && item.getType() != Material.AIR) {
manager.sendServerPacket(player,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EQUIPMENT, fakeId, i, item)
.createPacket(fakeId, i, item));
sendSelfPacket(
player,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EQUIPMENT, player.getEntityId(), i,
item).createPacket(player.getEntityId(), i, item), fakeId);
}
}
Location loc = player.getLocation();
// If the disguised is sleeping for w/e reason
if (player.isSleeping()) {
manager.sendServerPacket(
sendSelfPacket(
player,
manager.createPacketConstructor(PacketType.Play.Server.BED, player, loc.getBlockX(), loc.getBlockY(),
loc.getBlockZ()).createPacket(player, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ()));
loc.getBlockZ()).createPacket(player, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ()), fakeId);
}
// Resend any active potion effects
Iterator iterator = player.getActivePotionEffects().iterator();
while (iterator.hasNext()) {
PotionEffect potionEffect = (PotionEffect) iterator.next();
manager.sendServerPacket(
player,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EFFECT, fakeId, potionEffect).createPacket(
fakeId, potionEffect));
sendSelfPacket(player,
manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EFFECT, player.getEntityId(), potionEffect)
.createPacket(player.getEntityId(), potionEffect), fakeId);
}
} catch (Exception ex) {
ex.printStackTrace();

5
src/me/libraryaddict/disguise/utilities/PacketsManager.java
View File

@ -1118,7 +1118,7 @@ public class PacketsManager {
/**
* Transform the packet magically into the one I have always dreamed off. My true luv!!!
*/
private static PacketContainer[] transformPacket(PacketContainer sentPacket, Player observer) {
public static PacketContainer[] transformPacket(PacketContainer sentPacket, Player observer) {
PacketContainer[] packets = new PacketContainer[] { sentPacket };
try {
// First get the entity, the one sending this packet
@ -1229,7 +1229,8 @@ public class PacketsManager {
for (WrappedWatchableObject watcher : packetUnblock.getWatchableCollectionModifier().read(0)) {
watcher.setValue((byte) ((Byte) watcher.getValue() & ~(1 << 4)));
}
// Send the unblock before the itemstack change so that the 2nd metadata packet works. Why? Scheduler delay.
// Send the unblock before the itemstack change so that the 2nd metadata packet works. Why? Scheduler
// delay.
packets = new PacketContainer[] { packetUnblock, packets[0], packetBlock };
// Silly mojang made the right clicking datawatcher value only valid for one use. So I have to reset
// it.