private void send(CommandSender sender, String jsonString) {
if (!(sender instanceof Player)) {
sender.sendMessage(toOldMessageFormat());
return;
}
Player player = (Player) sender;
try {
Object handle = Reflection.getHandle(player);
Object connection = Reflection.getField(handle.getClass(), "playerConnection").get(handle);
Reflection.getMethod(connection.getClass(), "sendPacket", Reflection.getNMSClass("Packet"))
.invoke(connection, createChatPacket(jsonString));
} catch (IllegalArgumentException e) {
Bukkit.getLogger().log(Level.WARNING, "Argument could not be passed.", e);
} catch (IllegalAccessException e) {
Bukkit.getLogger().log(Level.WARNING, "Could not access method.", e);
} catch (InstantiationException e) {
Bukkit.getLogger().log(Level.WARNING, "Underlying class is abstract.", e);
} catch (InvocationTargetException e) {
Bukkit.getLogger().log(Level.WARNING, "A error has occured durring invoking of method.", e);
} catch (NoSuchMethodException e) {
Bukkit.getLogger().log(Level.WARNING, "Could not find method.", e);
} catch (ClassNotFoundException e) {
Bukkit.getLogger().log(Level.WARNING, "Could not find class.", e);
}
}
/**
* Set the behavior of the current editing component to display information about a statistic
* parameter with an entity type when the client hovers over the text.
*
* <p>Tooltips do not inherit display characteristics, such as color and styles, from the message
* component on which they are applied.
*
* @param which The statistic to display.
* @param entity The sole entity type parameter to the statistic.
* @return This builder instance.
* @exception IllegalArgumentException If the statistic requires a parameter which was not
* supplied, or was supplied a parameter that was not required.
*/
public FancyMessage statisticTooltip(final Statistic which, EntityType entity) {
Type type = which.getType();
if (type == Type.UNTYPED) {
throw new IllegalArgumentException("That statistic needs no additional parameter!");
}
if (type != Type.ENTITY) {
throw new IllegalArgumentException(
"Wrong parameter type for that statistic - needs " + type + "!");
}
try {
Object statistic =
Reflection.getMethod(
Reflection.getOBCClass("CraftStatistic"),
"getEntityStatistic",
Statistic.class,
EntityType.class)
.invoke(null, which, entity);
return achievementTooltip(
(String) Reflection.getField(Reflection.getNMSClass("Statistic"), "name").get(statistic));
} catch (IllegalAccessException e) {
Bukkit.getLogger().log(Level.WARNING, "Could not access method.", e);
return this;
} catch (IllegalArgumentException e) {
Bukkit.getLogger().log(Level.WARNING, "Argument could not be passed.", e);
return this;
} catch (InvocationTargetException e) {
Bukkit.getLogger().log(Level.WARNING, "A error has occured durring invoking of method.", e);
return this;
}
}
private Object createChatPacket(String json)
throws IllegalArgumentException, IllegalAccessException, InstantiationException,
InvocationTargetException, NoSuchMethodException, ClassNotFoundException {
if (nmsChatSerializerGsonInstance == null) {
// Find the field and its value, completely bypassing obfuscation
Class<?> chatSerializerClazz;
String version = Reflection.getVersion();
double majorVersion = Double.parseDouble(version.replace('_', '.').substring(1, 4));
int lesserVersion = Integer.parseInt(version.substring(6, 7));
if (majorVersion < 1.8 || (majorVersion == 1.8 && lesserVersion == 1)) {
chatSerializerClazz = Reflection.getNMSClass("ChatSerializer");
} else {
chatSerializerClazz = Reflection.getNMSClass("IChatBaseComponent$ChatSerializer");
}
if (chatSerializerClazz == null) {
throw new ClassNotFoundException("Can't find the ChatSerializer class");
}
for (Field declaredField : chatSerializerClazz.getDeclaredFields()) {
if (Modifier.isFinal(declaredField.getModifiers())
&& Modifier.isStatic(declaredField.getModifiers())
&& declaredField.getType().getName().endsWith("Gson")) {
// We've found our field
declaredField.setAccessible(true);
nmsChatSerializerGsonInstance = declaredField.get(null);
fromJsonMethod =
nmsChatSerializerGsonInstance
.getClass()
.getMethod("fromJson", String.class, Class.class);
break;
}
}
}
// Since the method is so simple, and all the obfuscated methods have the same name, it's easier
// to reimplement 'IChatBaseComponent a(String)' than to reflectively call it
// Of course, the implementation may change, but fuzzy matches might break with signature
// changes
Object serializedChatComponent =
fromJsonMethod.invoke(
nmsChatSerializerGsonInstance, json, Reflection.getNMSClass("IChatBaseComponent"));
return nmsPacketPlayOutChatConstructor.newInstance(serializedChatComponent);
}
/**
* Set the behavior of the current editing component to display information about an item when the
* client hovers over the text.
*
* <p>Tooltips do not inherit display characteristics, such as color and styles, from the message
* component on which they are applied.
*
* @param itemStack The stack for which to display information.
* @return This builder instance.
*/
public FancyMessage itemTooltip(final ItemStack itemStack) {
try {
Object nmsItem =
Reflection.getMethod(
Reflection.getOBCClass("inventory.CraftItemStack"), "asNMSCopy", ItemStack.class)
.invoke(null, itemStack);
return itemTooltip(
Reflection.getMethod(
Reflection.getNMSClass("ItemStack"),
"save",
Reflection.getNMSClass("NBTTagCompound"))
.invoke(nmsItem, Reflection.getNMSClass("NBTTagCompound").newInstance())
.toString());
} catch (Exception e) {
e.printStackTrace();
return this;
}
}
public FancyMessage(final TextualComponent firstPartText) {
messageParts = new ArrayList<MessagePart>();
messageParts.add(new MessagePart(firstPartText));
jsonString = null;
dirty = false;
if (nmsPacketPlayOutChatConstructor == null) {
try {
nmsPacketPlayOutChatConstructor =
Reflection.getNMSClass("PacketPlayOutChat")
.getDeclaredConstructor(Reflection.getNMSClass("IChatBaseComponent"));
nmsPacketPlayOutChatConstructor.setAccessible(true);
} catch (NoSuchMethodException e) {
Bukkit.getLogger().log(Level.SEVERE, "Could not find Minecraft method or constructor.", e);
} catch (SecurityException e) {
Bukkit.getLogger().log(Level.WARNING, "Could not access constructor.", e);
}
}
}
/**
* Set the behavior of the current editing component to display information about an achievement
* when the client hovers over the text.
*
* <p>Tooltips do not inherit display characteristics, such as color and styles, from the message
* component on which they are applied.
*
* @param which The achievement to display.
* @return This builder instance.
*/
public FancyMessage achievementTooltip(final Achievement which) {
try {
Object achievement =
Reflection.getMethod(
Reflection.getOBCClass("CraftStatistic"), "getNMSAchievement", Achievement.class)
.invoke(null, which);
return achievementTooltip(
(String)
Reflection.getField(Reflection.getNMSClass("Achievement"), "name").get(achievement));
} catch (IllegalAccessException e) {
Bukkit.getLogger().log(Level.WARNING, "Could not access method.", e);
return this;
} catch (IllegalArgumentException e) {
Bukkit.getLogger().log(Level.WARNING, "Argument could not be passed.", e);
return this;
} catch (InvocationTargetException e) {
Bukkit.getLogger().log(Level.WARNING, "A error has occured durring invoking of method.", e);
return this;
}
}