public PacketListener(Player p) {
this.p = p;
try {
PlayOutTileEntityData = ReflectionUtil.getNMSClass("PacketPlayOutTileEntityData");
} catch (Exception e) {
}
}
public static void uninject(Player p) {
try {
Object craftOnline = ReflectionUtil.getBukkitClass("entity.CraftPlayer").cast(p);
Object craftHandle =
ReflectionUtil.invokeMethod(craftOnline.getClass(), craftOnline, "getHandle");
Object playerCon =
ReflectionUtil.getField(craftHandle.getClass(), "playerConnection").get(craftHandle);
Object manager =
ReflectionUtil.getField(playerCon.getClass(), "networkManager").get(playerCon);
Channel channel =
(Channel) ReflectionUtil.getField(manager.getClass(), "channel").get(manager);
if (channel.pipeline().context("PacketListener") != null)
channel.pipeline().remove("PacketListener");
} catch (Exception e) {
e.printStackTrace();
}
}
@SuppressWarnings("unchecked")
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
throws Exception {
if (PlayOutTileEntityData.isInstance(msg)) {
Object tag = ReflectionUtil.getObject(msg, "c");
Object owner =
ReflectionUtil.invokeMethod(
tag.getClass(), tag, "getCompound", new Class<?>[] {String.class}, "Owner");
if (!owner.toString().isEmpty()) {
Object props =
ReflectionUtil.invokeMethod(
owner.getClass(),
owner,
"getCompound",
new Class<?>[] {String.class},
"Properties");
if (!props.toString().isEmpty()) {
Map<String, Object> map = (Map<String, Object>) ReflectionUtil.getObject(props, "map");
for (Entry<String, Object> entry : map.entrySet()) {
if (!entry.getKey().equals("textures")) continue;
String value = entry.getValue().toString();
if (value.contains("\"\"") || !value.contains("Value:\"")) {
return;
}
}
}
}
}
super.write(ctx, msg, promise);
}