Core/src/eu/univento/core/api/utils/FWither.java

290 lines
11 KiB
Java

package eu.univento.core.api.utils;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.entity.Player;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ThreadLocalRandom;
/**
* @author mgone2010
*/
public class FWither {
private static Constructor<?> packetPlayOutSpawnEntityLiving;
private static Constructor<?> entityEntityWither;
private static Method setLocation;
private static Method setCustomName;
private static Method setHealth;
private static Method setInvisible;
private static Method getWorldHandle;
private static Method getPlayerHandle;
private static Field playerConnection;
private static Method sendPacket;
private static Method getDatawatcher;
private static Method a;
private static Field d;
private static Map<String, Object> playerWithers = new HashMap<String, Object>();
private static Map<String, Object> playerWithers2 = new HashMap<String, Object>();
private static Map<String, String> playerTextWither = new HashMap<String, String>();
static {
try {
packetPlayOutSpawnEntityLiving = getMCClass("PacketPlayOutSpawnEntityLiving").getConstructor(getMCClass("EntityLiving"));
entityEntityWither = getMCClass("EntityWither").getConstructor(getMCClass("World"));
setLocation = getMCClass("EntityWither").getMethod("setLocation", double.class, double.class, double.class, float.class, float.class);
setCustomName = getMCClass("EntityWither").getMethod("setCustomName", new Class<?>[] { String.class });
setHealth = getMCClass("EntityWither").getMethod("setHealth", new Class<?>[] { float.class });
setInvisible = getMCClass("EntityWither").getMethod("setInvisible", new Class<?>[] { boolean.class });
getWorldHandle = getCraftClass("CraftWorld").getMethod("getHandle");
getPlayerHandle = getCraftClass("entity.CraftPlayer").getMethod("getHandle");
playerConnection = getMCClass("EntityPlayer").getDeclaredField("playerConnection");
sendPacket = getMCClass("PlayerConnection").getMethod("sendPacket", getMCClass("Packet"));
getDatawatcher = getMCClass("EntityWither").getMethod("getDataWatcher");
a = getMCClass("DataWatcher").getMethod("a", int.class, Object.class);
d = getMCClass("DataWatcher").getDeclaredField("d");
d.setAccessible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
public static Object getWither(Player p) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException {
if (playerWithers.containsKey(p.getName())) {
return playerWithers.get(p.getName());
} else {
Object nms_world = getWorldHandle.invoke(p.getWorld());
playerWithers.put(p.getName(), entityEntityWither.newInstance(nms_world));
return getWither(p);
}
}
public static Object getWither2(Player p) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException {
if (playerWithers2.containsKey(p.getName())) {
return playerWithers2.get(p.getName());
} else {
Object nms_world = getWorldHandle.invoke(p.getWorld());
playerWithers2.put(p.getName(), entityEntityWither.newInstance(nms_world));
return getWither2(p);
}
}
public static void setBossBartext(Player p, String text) {
playerTextWither.put(p.getName(), text);
int xr = ThreadLocalRandom.current().nextInt(-3,3);
int xr2 = ThreadLocalRandom.current().nextInt(-3,3);
try {
Object nms_wither = getWither(p);
setLocation.invoke(nms_wither, getPlayerLoc(p).getX()+xr, getPlayerLoc(p).getY()-3, getPlayerLoc(p).getZ()+xr2, 0F, 0F);
setCustomName.invoke(nms_wither,text);
setHealth.invoke(nms_wither,300);
setInvisible.invoke(nms_wither,true);
changeWatcher(nms_wither, text);
Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(nms_wither);
Object nms_player = getPlayerHandle.invoke(p);
Object nms_connection = playerConnection.get(nms_player);
sendPacket.invoke(nms_connection, nms_packet);
} catch (Exception e) {
e.printStackTrace();
}
/* try {
Object nms_wither = getWither2(p);
setLocation.invoke(nms_wither, getPlayerLoc(p).getX()+xr2, p.getLocation().getY()-10, getPlayerLoc(p).getZ()+xr, 0F, 0F);
setCustomName.invoke(nms_wither,text);
setHealth.invoke(nms_wither,300);
setInvisible.invoke(nms_wither,true);
changeWatcher(nms_wither, text);
Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(nms_wither);
Object nms_player = getPlayerHandle.invoke(p);
Object nms_connection = playerConnection.get(nms_player);
sendPacket.invoke(nms_connection, nms_packet);
} catch (Exception e) {
e.printStackTrace();
} */
}
public static void setBossBar(Player p, String text, float vie) {
playerTextWither.put(p.getName(), text);
int xr = ThreadLocalRandom.current().nextInt(0,2);
int xr2 = ThreadLocalRandom.current().nextInt(0,2);
try {
Object nms_wither = getWither(p);
setLocation.invoke(nms_wither, getPlayerLoc(p).getX()+xr, getPlayerLoc(p).getY()-3, getPlayerLoc(p).getZ()+xr2, 0F, 0F);
setCustomName.invoke(nms_wither,text);
setHealth.invoke(nms_wither,vie);
setInvisible.invoke(nms_wither,true);
changeWatcher(nms_wither, text);
Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(nms_wither);
Object nms_player = getPlayerHandle.invoke(p);
Object nms_connection = playerConnection.get(nms_player);
sendPacket.invoke(nms_connection, nms_packet);
} catch (Exception e) {
e.printStackTrace();
}
/* try {
Object nms_wither = getWither2(p);
setLocation.invoke(nms_wither, getPlayerLoc(p).getX()+xr2, p.getLocation().getY()-10, getPlayerLoc(p).getZ()+xr, 0F, 0F);
setCustomName.invoke(nms_wither,text);
setHealth.invoke(nms_wither,vie);
setInvisible.invoke(nms_wither,true);
changeWatcher(nms_wither, text);
Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(nms_wither);
Object nms_player = getPlayerHandle.invoke(p);
Object nms_connection = playerConnection.get(nms_player);
sendPacket.invoke(nms_connection, nms_packet);
} catch (Exception e) {
e.printStackTrace();
} */
}
public static void removeBossBar(Player p){
playerTextWither.remove(p.getName());
try {
Object nms_wither = getWither(p);
setLocation.invoke(nms_wither, p.getLocation().getX(), -5000, p.getLocation().getZ(), 0F, 0F);
setCustomName.invoke(nms_wither," ");
setHealth.invoke(nms_wither,0);
setInvisible.invoke(nms_wither,true);
changeWatcher(nms_wither, " ");
Object nms_packet = packetPlayOutSpawnEntityLiving.newInstance(nms_wither);
Object nms_player = getPlayerHandle.invoke(p);
Object nms_connection = playerConnection.get(nms_player);
sendPacket.invoke(nms_connection, nms_packet);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void removehorligneW(Player p) {
playerWithers.remove(p.getName());
playerTextWither.remove(p.getName());
}
private static void changeWatcher(Object nms_entity, String text) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
Object nms_watcher = getDatawatcher.invoke(nms_entity);
Map<?, ?> map = (Map<?, ?>) d.get(nms_watcher);
map.remove(10);
a.invoke(nms_watcher, 10, text);
}
private static Class<?> getMCClass(String name) throws ClassNotFoundException {
String version = Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3] + ".";
String className = "net.minecraft.server." + version + name;
return Class.forName(className);
}
private static Class<?> getCraftClass(String name) throws ClassNotFoundException {
String version = Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3] + ".";
String className = "org.bukkit.craftbukkit." + version + name;
return Class.forName(className);
}
public static String getCardinalDirection(Player player) {
double rotation = (player.getLocation().getYaw() - 180) % 360;
if (rotation < 0) {
rotation += 360.0;
}
if (0 <= rotation && rotation < 22.5) {
return "N";
} else if (22.5 <= rotation && rotation < 67.5) {
return "NE";
} else if (67.5 <= rotation && rotation < 112.5) {
return "E";
} else if (112.5 <= rotation && rotation < 157.5) {
return "SE";
} else if (157.5 <= rotation && rotation < 202.5) {
return "S";
} else if (202.5 <= rotation && rotation < 247.5) {
return "SW";
} else if (247.5 <= rotation && rotation < 292.5) {
return "W";
} else if (292.5 <= rotation && rotation < 337.5) {
return "NW";
} else if (337.5 <= rotation && rotation <= 360.0) {
return "N";
} else {
return "N";
}
}
public static Location getPlayerLoc(Player p) {
Location loc = p.getLocation();
switch (getCardinalDirection(p)) {
case ("N") :
loc.add(0, 0, -50);
break;
case ("E") :
loc.add(50, 0, 0);
break;
case ("S") :
loc.add(0, 0, 50);
break;
case ("W") :
loc.add(-50, 0, 0);
break;
case ("NE") :
loc.add(50, 0, -50);
break;
case ("SE") :
loc.add(50, 0, 50);
break;
case ("NW") :
loc.add(-50, 0, -50);
break;
case ("SW") :
loc.add(-50, 0, 50);
break;
}
return loc;
}
}