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| 1 | import org.bukkit.Bukkit; | |
| 2 | import org.bukkit.entity.Player; | |
| 3 | import org.bukkit.scoreboard.Scoreboard; | |
| 4 | ||
| 5 | import java.lang.reflect.Array; | |
| 6 | import java.lang.reflect.Field; | |
| 7 | import java.lang.reflect.Method; | |
| 8 | import java.util.ArrayList; | |
| 9 | import java.util.List; | |
| 10 | ||
| 11 | /** | |
| 12 | * The MIT License (MIT) | |
| 13 | * Created on 27/01/2016. | |
| 14 | * Updated on 06/03/2016 | |
| 15 | * Copyright (c) 2016 Vinetos | |
| 16 | */ | |
| 17 | public class Reflection {
| |
| 18 | - | |
| 18 | + | |
| 19 | public static Class<?> getClass(String classname) {
| |
| 20 | try {
| |
| 21 | String version = getNmsVersion(); | |
| 22 | String path = classname.replace("{nms}", "net.minecraft.server."+version)
| |
| 23 | .replace("{nm}", "net.minecraft."+version)
| |
| 24 | .replace("{cb}", "org.bukkit.craftbukkit.."+version);
| |
| 25 | return Class.forName(path); | |
| 26 | } catch (Throwable t) {
| |
| 27 | t.printStackTrace(); | |
| 28 | return null; | |
| 29 | } | |
| 30 | } | |
| 31 | ||
| 32 | public static Class[] getArrayClass(String classname, int arraySize) {
| |
| 33 | try {
| |
| 34 | String version = getNmsVersion(); | |
| 35 | String path = classname.replace("{nms}", "net.minecraft.server."+version)
| |
| 36 | .replace("{nm}", "net.minecraft."+version)
| |
| 37 | .replace("{cb}", "org.bukkit.craftbukkit.."+version);
| |
| 38 | return new Class[]{ Array.newInstance(getClass(classname), arraySize).getClass() };
| |
| 39 | } catch (Throwable t) {
| |
| 40 | t.printStackTrace(); | |
| 41 | return null; | |
| 42 | } | |
| 43 | } | |
| 44 | ||
| 45 | public static String getNmsVersion(){
| |
| 46 | return Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3];
| |
| 47 | } | |
| 48 | ||
| 49 | public static Object getNmsPlayer(Player p) throws Exception{
| |
| 50 | Method getHandle = p.getClass().getMethod("getHandle");
| |
| 51 | return getHandle.invoke(p); | |
| 52 | } | |
| 53 | ||
| 54 | public static Object getNmsScoreboard(Scoreboard s) throws Exception {
| |
| 55 | Method getHandle = s.getClass().getMethod("getHandle");
| |
| 56 | return getHandle.invoke(s); | |
| 57 | } | |
| 58 | ||
| 59 | public static Object getFieldValue(Object instance, String fieldName) throws Exception {
| |
| 60 | Field field = instance.getClass().getDeclaredField(fieldName); | |
| 61 | field.setAccessible(true); | |
| 62 | return field.get(instance); | |
| 63 | } | |
| 64 | ||
| 65 | public static ArrayList<Field> getFields(Object instance, Class<?> fieldType) throws Exception {
| |
| 66 | Field[] fields = instance.getClass().getDeclaredFields(); | |
| 67 | ArrayList<Field> fieldArrayList = new ArrayList<Field>(); | |
| 68 | for(Field field : fields){
| |
| 69 | if(field.getType() == fieldType){
| |
| 70 | field.setAccessible(true); | |
| 71 | fieldArrayList.add(field); | |
| 72 | } | |
| 73 | } | |
| 74 | ||
| 75 | return fieldArrayList; | |
| 76 | } | |
| 77 | ||
| 78 | public static ArrayList<Field> getArraysFields(Object instance, Class<?> fieldType) throws Exception {
| |
| 79 | String[] values = fieldType.toString().split(" ");
| |
| 80 | String fieldName = values[values.length - 1]; | |
| 81 | Field[] fields = instance.getClass().getDeclaredFields(); | |
| 82 | ArrayList<Field> fieldArrayList = new ArrayList<Field>(); | |
| 83 | for(Field field : fields) {
| |
| 84 | if (field.getType().isArray()) {
| |
| 85 | if (field.getType().toString().contains(fieldName)) {
| |
| 86 | - | System.out.println("FOund !");
|
| 86 | + | |
| 87 | fieldArrayList.add(field); | |
| 88 | } | |
| 89 | - | } else {
|
| 89 | + | |
| 90 | - | System.out.println("Nop: " + field.getType().toString() + " |> " + fieldName);
|
| 90 | + | |
| 91 | return fieldArrayList; | |
| 92 | } | |
| 93 | ||
| 94 | ||
| 95 | @SuppressWarnings("unchecked")
| |
| 96 | public static <T> T getFieldValue(Field field, Object obj) {
| |
| 97 | try {
| |
| 98 | return (T) field.get(obj); | |
| 99 | } catch (Exception e) {
| |
| 100 | e.printStackTrace(); | |
| 101 | return null; | |
| 102 | } | |
| 103 | } | |
| 104 | ||
| 105 | public static Field getField(Class<?> clazz, String fieldName) throws Exception {
| |
| 106 | Field field = clazz.getDeclaredField(fieldName); | |
| 107 | field.setAccessible(true); | |
| 108 | return field; | |
| 109 | } | |
| 110 | ||
| 111 | public static void setFieldValue(Object instance, String field, Object value) {
| |
| 112 | try {
| |
| 113 | Field f = instance.getClass().getDeclaredField(field); | |
| 114 | - | public static void setValue(Object instance, String field, Object value) {
|
| 114 | + | |
| 115 | f.set(instance, value); | |
| 116 | } catch (Throwable t) {
| |
| 117 | t.printStackTrace(); | |
| 118 | } | |
| 119 | } | |
| 120 | public static void sendAllPacket(Object packet) throws Exception {
| |
| 121 | for (Player p : Bukkit.getOnlinePlayers()) {
| |
| 122 | Object nmsPlayer = getNmsPlayer(p); | |
| 123 | Object connection = nmsPlayer.getClass().getField("playerConnection").get(nmsPlayer);
| |
| 124 | connection.getClass().getMethod("sendPacket", Reflection.getClass("{nms}.Packet")).invoke(connection, packet);
| |
| 125 | } | |
| 126 | } | |
| 127 | public static void sendListPacket(List<String> players, Object packet) {
| |
| 128 | try {
| |
| 129 | for (String name : players) {
| |
| 130 | Object nmsPlayer = getNmsPlayer(Bukkit.getPlayer(name)); | |
| 131 | Object connection = nmsPlayer.getClass().getField("playerConnection").get(nmsPlayer);
| |
| 132 | connection.getClass().getMethod("sendPacket", Reflection.getClass("{nms}.Packet")).invoke(connection, packet);
| |
| 133 | } | |
| 134 | } catch (Throwable t) {
| |
| 135 | t.printStackTrace(); | |
| 136 | } | |
| 137 | } | |
| 138 | public static void sendPlayerPacket(Player p, Object packet) throws Exception {
| |
| 139 | Object nmsPlayer = getNmsPlayer(p); | |
| 140 | Object connection = nmsPlayer.getClass().getField("playerConnection").get(nmsPlayer);
| |
| 141 | connection.getClass().getMethod("sendPacket", Reflection.getClass("{nms}.Packet")).invoke(connection, packet);
| |
| 142 | } | |
| 143 | ||
| 144 | public static void sendMessage(Player p, Object message) throws Exception {
| |
| 145 | Object nmsPlayer = getNmsPlayer(p); | |
| 146 | nmsPlayer.getClass().getMethod("sendMessage", Reflection.getClass("{nms}.IChatBaseComponent")).invoke(nmsPlayer, message);
| |
| 147 | ||
| 148 | } | |
| 149 | ||
| 150 | public static void sendMessages(Player p, Object message) throws Exception {
| |
| 151 | Object nmsPlayer = getNmsPlayer(p); | |
| 152 | Class c = Reflection.getClass("{nms}.IChatBaseComponent");
| |
| 153 | Method m = nmsPlayer.getClass().getMethod("sendMessage", new Class[]{ Array.newInstance(c, 4).getClass() });
| |
| 154 | m.invoke(nmsPlayer, new Object[]{message});
| |
| 155 | ||
| 156 | } | |
| 157 | ||
| 158 | public static int ping(Player p) throws Exception {
| |
| 159 | Object nmsPlayer = Reflection.getNmsPlayer(p); | |
| 160 | return Integer.valueOf(getFieldValue(nmsPlayer, "ping").toString()); | |
| 161 | } | |
| 162 | ||
| 163 | public static Field getFirstFieldByType(Class<?> clazz, Class<?> type) {
| |
| 164 | for(Field field : clazz.getDeclaredFields()) {
| |
| 165 | field.setAccessible(true); | |
| 166 | - | public static Field getFirstFieldByType(Class<?> clazz, Class<?> type) {
|
| 166 | + | |
| 167 | return field; | |
| 168 | } | |
| 169 | } | |
| 170 | return null; | |
| 171 | } | |
| 172 | } |