277 lines
12 KiB
Java
277 lines
12 KiB
Java
package eu.univento.core.api.utils;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.ThreadLocalRandom;
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import org.bukkit.Location;
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import org.bukkit.entity.Player;
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public class FakeWither
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{
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private static Constructor<?> packetPlayOutSpawnEntityLiving;
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private static Constructor<?> entityEntityWither;
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private static Method setLocation;
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private static Method setCustomName;
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private static Method setHealth;
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private static Method setInvisible;
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private static Method getWorldHandle;
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private static Method getPlayerHandle;
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private static Field playerConnection;
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private static Method sendPacket;
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private static Method getDatawatcher;
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private static Method a;
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private static Field d;
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private static Map<String, Object> playerWithers = new HashMap();
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private static Map<String, Object> playerWithers2 = new HashMap();
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private static Map<String, String> playerTextWither = new HashMap();
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static
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{
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try {
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packetPlayOutSpawnEntityLiving = getMCClass("PacketPlayOutSpawnEntityLiving").getConstructor(new Class[] { getMCClass("EntityLiving") });
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entityEntityWither = getMCClass("EntityWither").getConstructor(new Class[] { getMCClass("World") });
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setLocation = getMCClass("EntityWither").getMethod("setLocation", new Class[] { Double.TYPE, Double.TYPE, Double.TYPE, Float.TYPE, Float.TYPE });
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setCustomName = getMCClass("EntityWither").getMethod("setCustomName", new Class[] { String.class });
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setHealth = getMCClass("EntityWither").getMethod("setHealth", new Class[] { Float.TYPE });
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setInvisible = getMCClass("EntityWither").getMethod("setInvisible", new Class[] { Boolean.TYPE });
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getWorldHandle = getCraftClass("CraftWorld").getMethod("getHandle", new Class[0]);
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getPlayerHandle = getCraftClass("entity.CraftPlayer").getMethod("getHandle", new Class[0]);
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playerConnection = getMCClass("EntityPlayer").getDeclaredField("playerConnection");
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sendPacket = getMCClass("PlayerConnection").getMethod("sendPacket", new Class[] { getMCClass("Packet") });
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getDatawatcher = getMCClass("EntityWither").getMethod("getDataWatcher", new Class[0]);
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a = getMCClass("DataWatcher").getMethod("a", new Class[] { Integer.TYPE, Object.class });
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d = getMCClass("DataWatcher").getDeclaredField("d");
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d.setAccessible(true);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static Object getWither(Player p) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException
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{
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if (playerWithers.containsKey(p.getName())) {
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return playerWithers.get(p.getName());
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}
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Object nms_world = getWorldHandle.invoke(p.getWorld(), new Object[0]);
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playerWithers.put(p.getName(), entityEntityWither.newInstance(new Object[] { nms_world }));
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return getWither(p);
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}
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public static Object getWither2(Player p)
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throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException
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{
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if (playerWithers2.containsKey(p.getName())) {
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return playerWithers2.get(p.getName());
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}
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Object nms_world = getWorldHandle.invoke(p.getWorld(), new Object[0]);
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playerWithers2.put(p.getName(), entityEntityWither.newInstance(new Object[] { nms_world }));
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return getWither2(p);
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}
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public static void setBossBartext(Player p, String text)
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{
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playerTextWither.put(p.getName(), text);
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int xr = ThreadLocalRandom.current().nextInt(-3, 3);
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int xr2 = ThreadLocalRandom.current().nextInt(-3, 3);
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try
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{
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Object nms_wither = getWither(p);
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setLocation.invoke(nms_wither, new Object[] { Double.valueOf(getPlayerLoc(p).getX() + xr), Double.valueOf(getPlayerLoc(p).getY()), Double.valueOf(getPlayerLoc(p).getZ() + xr2), Float.valueOf(0.0F), Float.valueOf(0.0F) });
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setCustomName.invoke(nms_wither, new Object[] { text });
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setHealth.invoke(nms_wither, new Object[] { Integer.valueOf(300) });
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setInvisible.invoke(nms_wither, new Object[] { Boolean.valueOf(true) });
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changeWatcher(nms_wither, text);
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Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(new Object[] { nms_wither });
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Object nms_player = getPlayerHandle.invoke(p, new Object[0]);
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Object nms_connection = playerConnection.get(nms_player);
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sendPacket.invoke(nms_connection, new Object[] { nms_packet });
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} catch (Exception e) {
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e.printStackTrace();
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}
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try
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{
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Object nms_wither = getWither2(p);
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setLocation.invoke(nms_wither, new Object[] { Double.valueOf(getPlayerLoc(p).getX() + xr2), Double.valueOf(p.getLocation().getY() - 10.0D), Double.valueOf(getPlayerLoc(p).getZ() + xr), Float.valueOf(0.0F), Float.valueOf(0.0F) });
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setCustomName.invoke(nms_wither, new Object[] { text });
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setHealth.invoke(nms_wither, new Object[] { Integer.valueOf(300) });
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setInvisible.invoke(nms_wither, new Object[] { Boolean.valueOf(true) });
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changeWatcher(nms_wither, text);
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Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(new Object[] { nms_wither });
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Object nms_player = getPlayerHandle.invoke(p, new Object[0]);
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Object nms_connection = playerConnection.get(nms_player);
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sendPacket.invoke(nms_connection, new Object[] { nms_packet });
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void setBossBar(Player p, String text, float vie)
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{
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playerTextWither.put(p.getName(), text);
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int xr = ThreadLocalRandom.current().nextInt(0, 2);
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int xr2 = ThreadLocalRandom.current().nextInt(0, 2);
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try
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{
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Object nms_wither = getWither(p);
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setLocation.invoke(nms_wither, new Object[] { Double.valueOf(getPlayerLoc(p).getX() + xr), Double.valueOf(getPlayerLoc(p).getY()), Double.valueOf(getPlayerLoc(p).getZ() + xr2), Float.valueOf(0.0F), Float.valueOf(0.0F) });
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setCustomName.invoke(nms_wither, new Object[] { text });
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setHealth.invoke(nms_wither, new Object[] { Float.valueOf(vie) });
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setInvisible.invoke(nms_wither, new Object[] { Boolean.valueOf(true) });
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changeWatcher(nms_wither, text);
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Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(new Object[] { nms_wither });
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Object nms_player = getPlayerHandle.invoke(p, new Object[0]);
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Object nms_connection = playerConnection.get(nms_player);
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sendPacket.invoke(nms_connection, new Object[] { nms_packet });
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} catch (Exception e) {
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e.printStackTrace();
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}
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try
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{
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Object nms_wither = getWither2(p);
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setLocation.invoke(nms_wither, new Object[] { Double.valueOf(getPlayerLoc(p).getX() + xr2), Double.valueOf(p.getLocation().getY() - 10.0D), Double.valueOf(getPlayerLoc(p).getZ() + xr), Float.valueOf(0.0F), Float.valueOf(0.0F) });
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setCustomName.invoke(nms_wither, new Object[] { text });
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setHealth.invoke(nms_wither, new Object[] { Float.valueOf(vie) });
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setInvisible.invoke(nms_wither, new Object[] { Boolean.valueOf(true) });
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changeWatcher(nms_wither, text);
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Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(new Object[] { nms_wither });
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Object nms_player = getPlayerHandle.invoke(p, new Object[0]);
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Object nms_connection = playerConnection.get(nms_player);
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sendPacket.invoke(nms_connection, new Object[] { nms_packet });
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void removeBossBar(Player p)
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{
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playerTextWither.remove(p.getName());
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try {
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Object nms_wither = getWither(p);
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setLocation.invoke(nms_wither, new Object[] { Double.valueOf(p.getLocation().getX()), Integer.valueOf(-5000), Double.valueOf(p.getLocation().getZ()), Float.valueOf(0.0F), Float.valueOf(0.0F) });
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setCustomName.invoke(nms_wither, new Object[] { " " });
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setHealth.invoke(nms_wither, new Object[] { Integer.valueOf(0) });
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setInvisible.invoke(nms_wither, new Object[] { Boolean.valueOf(true) });
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changeWatcher(nms_wither, " ");
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Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(new Object[] { nms_wither });
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Object nms_player = getPlayerHandle.invoke(p, new Object[0]);
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Object nms_connection = playerConnection.get(nms_player);
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sendPacket.invoke(nms_connection, new Object[] { nms_packet });
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public void removehorligneW(Player p)
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{
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playerWithers.remove(p.getName());
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playerTextWither.remove(p.getName());
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}
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private static void changeWatcher(Object nms_entity, String text)
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throws IllegalAccessException, IllegalArgumentException, InvocationTargetException
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{
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Object nms_watcher = getDatawatcher.invoke(nms_entity, new Object[0]);
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Map map = (Map)d.get(nms_watcher);
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map.remove(Integer.valueOf(10));
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a.invoke(nms_watcher, new Object[] { Integer.valueOf(10), text });
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}
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private static Class<?> getMCClass(String name) throws ClassNotFoundException
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{
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String version = org.bukkit.Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3] + ".";
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String className = "net.minecraft.server." + version + name;
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return Class.forName(className);
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}
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private static Class<?> getCraftClass(String name) throws ClassNotFoundException {
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String version = org.bukkit.Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3] + ".";
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String className = "org.bukkit.craftbukkit." + version + name;
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return Class.forName(className);
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}
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public static String getCardinalDirection(Player player)
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{
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double rotation = (player.getLocation().getYaw() - 180.0F) % 360.0F;
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if (rotation < 0.0D) {
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rotation += 360.0D;
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}
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if ((0.0D <= rotation) && (rotation < 22.5D))
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return "N";
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if ((22.5D <= rotation) && (rotation < 67.5D))
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return "NE";
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if ((67.5D <= rotation) && (rotation < 112.5D))
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return "E";
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if ((112.5D <= rotation) && (rotation < 157.5D))
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return "SE";
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if ((157.5D <= rotation) && (rotation < 202.5D))
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return "S";
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if ((202.5D <= rotation) && (rotation < 247.5D))
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return "SW";
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if ((247.5D <= rotation) && (rotation < 292.5D))
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return "W";
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if ((292.5D <= rotation) && (rotation < 337.5D))
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return "NW";
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if ((337.5D <= rotation) && (rotation <= 360.0D)) {
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return "N";
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}
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return "N";
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}
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public static Location getPlayerLoc(Player p)
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{
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Location loc = p.getLocation();
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String str;
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switch ((str = getCardinalDirection(p)).hashCode()) { case 69:
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if (!str.equals("E")) break;
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break;
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case 78:
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case 83:
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if ((!str.equals("N")) || (goto 284) ||
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(!str.equals("S"))) break;
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break;
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case 87:
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case 2487:
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if ((!str.equals("W")) ||
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(goto 284) ||
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(!str.equals("NE"))) break;
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break;
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case 2505:
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case 2642:
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if ((!str.equals("NW")) ||
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(goto 284) ||
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(!str.equals("SE"))) break;
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break;
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case 2660:
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if (!str.equals("SW"))
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{
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loc.add(0.0D, 0.0D, -50.0D);
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loc.add(50.0D, 0.0D, 0.0D);
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loc.add(0.0D, 0.0D, 50.0D);
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loc.add(-50.0D, 0.0D, 0.0D);
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loc.add(50.0D, 0.0D, -50.0D);
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loc.add(50.0D, 0.0D, 50.0D);
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loc.add(-50.0D, 0.0D, -50.0D);
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}
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else {
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loc.add(-50.0D, 0.0D, 50.0D);
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}
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}
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return loc;
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}
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} |