SpigotMC/LibsDisguises
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Fix invalid serializer for empty optionals, add serializer to MetaIndex and require for all datawatcher objects constructions

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This commit is contained in:
libraryaddict 2019-07-09 20:52:00 +12:00
parent be20613da6
commit 658c3f0602
6 changed files with 107 additions and 60 deletions
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14
src/main/java/me/libraryaddict/disguise/disguisetypes/FlagWatcher.java
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@ -112,7 +112,7 @@ public class FlagWatcher {
boolean isDirty = watch.getDirtyState();
watch = ReflectionManager.createWatchable(id, value);
watch = ReflectionManager.createWatchable(MetaIndex.getMetaIndex(this, id), value);
if (watch == null)
continue;
@ -123,7 +123,7 @@ public class FlagWatcher {
} else {
boolean isDirty = watch.getDirtyState();
watch = ReflectionManager.createWatchable(id, watch.getValue());
watch = ReflectionManager.createWatchable(MetaIndex.getMetaIndex(this, id), watch.getValue());
if (watch == null)
continue;
@ -149,7 +149,8 @@ public class FlagWatcher {
continue;
}
WrappedWatchableObject watch = ReflectionManager.createWatchable(id, value);
WrappedWatchableObject watch = ReflectionManager
.createWatchable(MetaIndex.getMetaIndex(this, id), value);
if (watch == null)
continue;
@ -317,9 +318,10 @@ public class FlagWatcher {
WrappedWatchableObject watchable;
if (entityValues.containsKey(i) && entityValues.get(i) != null) {
watchable = ReflectionManager.createWatchable(i, entityValues.get(i));
watchable = ReflectionManager.createWatchable(MetaIndex.getMetaIndex(this, i), entityValues.get(i));
} else if (backupEntityValues.containsKey(i) && backupEntityValues.get(i) != null) {
watchable = ReflectionManager.createWatchable(i, backupEntityValues.get(i));
watchable = ReflectionManager
.createWatchable(MetaIndex.getMetaIndex(this, i), backupEntityValues.get(i));
} else {
continue;
}
@ -354,7 +356,7 @@ public class FlagWatcher {
WrappedDataWatcher.getEntityWatcher(disguise.getEntity()).getByte(0));
}
WrappedWatchableObject watch = ReflectionManager.createWatchable(data.getIndex(), value);
WrappedWatchableObject watch = ReflectionManager.createWatchable(data, value);
if (watch == null)
continue;

20
src/main/java/me/libraryaddict/disguise/disguisetypes/MetaIndex.java
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@ -7,6 +7,7 @@ import com.comphenix.protocol.wrappers.nbt.NbtFactory;
import com.comphenix.protocol.wrappers.nbt.NbtType;
import me.libraryaddict.disguise.disguisetypes.watchers.*;
import me.libraryaddict.disguise.utilities.DisguiseUtilities;
import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
import org.bukkit.Color;
import org.bukkit.Material;
import org.bukkit.Particle;
@ -657,6 +658,15 @@ public class MetaIndex<Y> {
}
}
/**
* @param watcher - A FlagWatcher class
* @param flagNo - The meta index number
* @return The MetaIndex which corresponds to that FlagWatcher at that index
*/
public static MetaIndex getMetaIndex(FlagWatcher watcher, int flagNo) {
return getMetaIndex(watcher.getClass(), flagNo);
}
/**
* @param watcherClass - A FlagWatcher class
* @param flagNo - The meta index number
@ -793,6 +803,8 @@ public class MetaIndex<Y> {
_values = Arrays.copyOf(_values, _values.length + 1);
_values[_values.length - 1] = index;
index.serializer = DisguiseUtilities.getSerializer(index);
}
}
catch (Exception e) {
@ -823,6 +835,7 @@ public class MetaIndex<Y> {
private Y _defaultValue;
private int _index;
private Class<? extends FlagWatcher> _watcher;
private WrappedDataWatcher.Serializer serializer;
public MetaIndex(Class<? extends FlagWatcher> watcher, int index, Y defaultValue) {
_index = index;
@ -834,6 +847,13 @@ public class MetaIndex<Y> {
return _defaultValue;
}
/**
* Used for serializing values to a packet stream
*/
public WrappedDataWatcher.Serializer getSerializer() {
return serializer;
}
public Class<? extends FlagWatcher> getFlagWatcher() {
return _watcher;
}

52
src/main/java/me/libraryaddict/disguise/utilities/DisguiseUtilities.java
View File

@ -28,10 +28,7 @@ import me.libraryaddict.disguise.utilities.reflection.LibsProfileLookup;
import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
import me.libraryaddict.disguise.utilities.translations.LibsMsg;
import org.apache.logging.log4j.util.Strings;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.*;
import org.bukkit.block.BlockFace;
import org.bukkit.craftbukkit.libs.org.apache.commons.io.FileUtils;
import org.bukkit.entity.*;
@ -920,8 +917,7 @@ public class DisguiseUtilities {
Field cSection = chunkClass.getDeclaredField("sections");
cSection.setAccessible(true);
Object chunkSection = ReflectionManager.getNmsClass("ChunkSection").getConstructor(int.class)
.newInstance(0);
Object chunkSection = ReflectionManager.getNmsClass("ChunkSection").getConstructor(int.class).newInstance(0);
Class blockClass = ReflectionManager.getNmsClass("Block");
Object REGISTRY = ReflectionManager.getNmsField("IRegistry", "BLOCK").get(null);
@ -1036,8 +1032,7 @@ public class DisguiseUtilities {
Set trackedPlayers = (Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers")
.get(entityTrackerEntry);
Method clear = ReflectionManager
.getNmsMethod("EntityTrackerEntry", "a", ReflectionManager.getNmsClass("EntityPlayer"));
Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "a", ReflectionManager.getNmsClass("EntityPlayer"));
final Method updatePlayer = ReflectionManager
.getNmsMethod("EntityTrackerEntry", "b", ReflectionManager.getNmsClass("EntityPlayer"));
@ -1733,6 +1728,44 @@ public class DisguiseUtilities {
}
}
public static WrappedDataWatcher.Serializer getSerializer(MetaIndex index) {
if (index.getSerializer() != null) {
return index.getSerializer();
}
if (index.getDefault() instanceof Optional) {
for (Field f : MetaIndex.class.getFields()) {
try {
if (f.get(null) != index) {
continue;
}
}
catch (IllegalAccessException e) {
e.printStackTrace();
}
Type type = f.getGenericType();
Type opt = ((ParameterizedType) type).getActualTypeArguments()[0];
if (opt instanceof ParameterizedType) {
Type val = ((ParameterizedType) opt).getActualTypeArguments()[0];
return WrappedDataWatcher.Registry.get(ReflectionManager.getNmsClass((Class) val), true);
}
}
} else {
return WrappedDataWatcher.Registry.get(ReflectionManager.getNmsClass(index.getDefault().getClass()));
}
Object value = index.getDefault();
throw new IllegalArgumentException("Unable to find Serializer for " + value +
(value instanceof Optional && ((Optional) value).isPresent() ?
" (" + ((Optional) value).get().getClass().getName() + ")" :
value instanceof Optional || value == null ? "" : " " + value.getClass().getName()) +
"! Are you running " + "the latest " + "version of " + "ProtocolLib?");
}
/**
* Create a new datawatcher but with the 'correct' values
*/
@ -1753,7 +1786,8 @@ public class DisguiseUtilities {
continue;
WrappedDataWatcher.WrappedDataWatcherObject obj = ReflectionManager
.createDataWatcherObject(watchableObject.getIndex(), watchableObject.getValue());
.createDataWatcherObject(MetaIndex.getMetaIndex(disguiseWatcher, watchableObject.getIndex()),
watchableObject.getValue());
newWatcher.setObject(obj, watchableObject.getValue());
}

3
src/main/java/me/libraryaddict/disguise/utilities/packets/packethandlers/PacketHandlerEquipment.java
View File

@ -6,6 +6,7 @@ import com.comphenix.protocol.wrappers.WrappedDataWatcher;
import com.comphenix.protocol.wrappers.WrappedWatchableObject;
import me.libraryaddict.disguise.DisguiseConfig;
import me.libraryaddict.disguise.disguisetypes.Disguise;
import me.libraryaddict.disguise.disguisetypes.MetaIndex;
import me.libraryaddict.disguise.utilities.packets.IPacketHandler;
import me.libraryaddict.disguise.utilities.packets.LibsPackets;
import me.libraryaddict.disguise.utilities.reflection.ReflectionManager;
@ -56,7 +57,7 @@ public class PacketHandlerEquipment implements IPacketHandler {
if (DisguiseConfig.isMetadataPacketsEnabled()) {
WrappedWatchableObject watch = ReflectionManager
.createWatchable(0, WrappedDataWatcher.getEntityWatcher(entity).getByte(0));
.createWatchable(MetaIndex.ENTITY_META, WrappedDataWatcher.getEntityWatcher(entity).getByte(0));
if (watch != null)
list.add(watch);

3
src/main/java/me/libraryaddict/disguise/utilities/packets/packetlisteners/PacketListenerViewSelfDisguise.java
View File

@ -12,6 +12,7 @@ import com.comphenix.protocol.wrappers.WrappedWatchableObject;
import me.libraryaddict.disguise.DisguiseAPI;
import me.libraryaddict.disguise.LibsDisguises;
import me.libraryaddict.disguise.disguisetypes.Disguise;
import me.libraryaddict.disguise.disguisetypes.MetaIndex;
import me.libraryaddict.disguise.utilities.DisguiseUtilities;
import me.libraryaddict.disguise.utilities.packets.LibsPackets;
import me.libraryaddict.disguise.utilities.packets.PacketsManager;
@ -140,7 +141,7 @@ public class PacketListenerViewSelfDisguise extends PacketAdapter {
if (observer.isSprinting())
b = (byte) (b | 1 << 3);
WrappedWatchableObject watch = ReflectionManager.createWatchable(0, b);
WrappedWatchableObject watch = ReflectionManager.createWatchable(MetaIndex.ENTITY_META, b);
if (watch != null)
watchableList.add(watch);

75
src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java
View File

@ -13,6 +13,7 @@ import com.mojang.datafixers.Dynamic;
import me.libraryaddict.disguise.DisguiseConfig;
import me.libraryaddict.disguise.disguisetypes.DisguiseType;
import me.libraryaddict.disguise.disguisetypes.EntityPose;
import me.libraryaddict.disguise.disguisetypes.MetaIndex;
import me.libraryaddict.disguise.disguisetypes.VillagerData;
import me.libraryaddict.disguise.utilities.DisguiseUtilities;
import net.minecraft.server.v1_14_R1.IRegistry;
@ -26,6 +27,7 @@ import org.bukkit.entity.*;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.inventory.ItemStack;
import org.bukkit.potion.PotionEffect;
import org.bukkit.util.EulerAngle;
import org.bukkit.util.Vector;
import java.io.IOException;
@ -836,6 +838,32 @@ public class ReflectionManager {
return null;
}
public static Class getNmsClass(Class cl) {
if (VillagerData.class.isAssignableFrom(cl)) {
return getNmsClass("VillagerData");
} else if (BlockPosition.class.isAssignableFrom(cl)) {
return getNmsClass("BlockPosition");
} else if (WrappedBlockData.class.isAssignableFrom(cl)) {
return getNmsClass("IBlockData");
} else if (ItemStack.class.isAssignableFrom(cl)) {
return getNmsClass("ItemStack");
} else if (WrappedChatComponent.class.isAssignableFrom(cl)) {
return getNmsClass("IChatBaseComponent");
} else if (Vector3F.class.isAssignableFrom(cl)) {
return getNmsClass("Vector3f");
} else if (Direction.class.isAssignableFrom(cl)) {
return getNmsClass("EnumDirection");
} else if (WrappedParticle.class.isAssignableFrom(cl)) {
return getNmsClass("ParticleParam");
} else if (EntityPose.class.isAssignableFrom(cl)) {
return getNmsClass("EntityPose");
} else if (NbtWrapper.class.isAssignableFrom(cl)) {
return getNmsClass("NBTTagCompound");
}
return cl;
}
public static Object convertInvalidMeta(Object value) {
if (value instanceof Optional) {
Optional opt = (Optional) value;
@ -972,52 +1000,13 @@ public class ReflectionManager {
return version;
}
public static WrappedDataWatcherObject createDataWatcherObject(int id, Object value) {
public static WrappedDataWatcherObject createDataWatcherObject(MetaIndex index, Object value) {
if (value == null)
return null;
value = convertInvalidMeta(value);
Serializer serializer;
if (value instanceof Optional) {
Optional opt = (Optional) value;
if (opt.isPresent()) {
Object val = opt.get();
Class cl;
Class iBlockData = getNmsClass("IBlockData");
Class iChat = getNmsClass("IChatBaseComponent");
if (iBlockData.isInstance(val)) {
cl = iBlockData;
} else if (iChat.isInstance(val)) {
cl = iChat;
} else {
cl = val.getClass();
}
serializer = Registry.get(cl, true);
} else {
serializer = Registry.get(UUID.class, true);
}
} else {
serializer = Registry.get(getNmsClass("ParticleParam").isInstance(value) ? getNmsClass("ParticleParam") :
value.getClass());
}
if (serializer == null) {
if (value.getClass().getSimpleName().equals("NBTTagCompound"))
return null; // Handle PaperSpigot's bad coding
throw new IllegalArgumentException("Unable to find Serializer for " + value +
(value instanceof Optional && ((Optional) value).isPresent() ?
" (" + ((Optional) value).get().getClass().getName() + ")" :
value instanceof Optional || value == null ? "" : " " + value.getClass().getName()) +
"! Are you running " + "the latest " + "version of " + "ProtocolLib?");
}
return new WrappedDataWatcherObject(id, serializer);
return new WrappedDataWatcherObject(index.getIndex(), index.getSerializer());
}
/**
@ -1027,7 +1016,7 @@ public class ReflectionManager {
* @param value
* @return
*/
public static Object createDataWatcherItem(int id, Object value) {
public static Object createDataWatcherItem(MetaIndex id, Object value) {
WrappedDataWatcherObject watcherObject = createDataWatcherObject(id, value);
Constructor construct = getNmsConstructor("DataWatcher$Item", getNmsClass("DataWatcherObject"), Object.class);
@ -1106,7 +1095,7 @@ public class ReflectionManager {
return EntityPose.valueOf(((Enum) nmsEntityPose).name());
}
public static WrappedWatchableObject createWatchable(int index, Object obj) {
public static WrappedWatchableObject createWatchable(MetaIndex index, Object obj) {
Object watcherItem = createDataWatcherItem(index, obj);
if (watcherItem == null)