Initial 1.17 commit.

plugin.yml

@@ -1,6 +1,6 @@
 name: LagAssist
 author: Stefatorus
-version: 2.23.4
+version: 2.24.0
 api-version: 1.13
 description: LagAssist is an advanced anti-lag solution that allows server owners find and remove lag using multiple advanced and efficient methods.
 main: cx.sfy.LagAssist.Main

src/cx/sfy/LagAssist/Monitor.java

@@ -1,7 +1,5 @@
 package cx.sfy.LagAssist;
 
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
 import java.text.DecimalFormat;
 import java.util.Arrays;
 
@@ -13,15 +11,12 @@ import org.bukkit.scheduler.BukkitTask;
 import cx.sfy.LagAssist.hoppers.ChunkHoppers;
 import cx.sfy.LagAssist.mobs.SmartMob;
 import cx.sfy.LagAssist.mobs.SpawnerMgr;
+import cx.sfy.LagAssist.packets.Reflection;
 
 public class Monitor {
 
-	private final static String name = Bukkit.getServer().getClass().getPackage().getName();
-	private final static String version = name.substring(name.lastIndexOf('.') + 1);
 	private static DecimalFormat format = new DecimalFormat("##.##");
 
-	private static Object serverInstance;
-	private static Field tpsField;
 
 	public static Runtime Rtm = Runtime.getRuntime();
 
@@ -47,15 +42,6 @@ public class Monitor {
 			GetExactTPS();
 			createGraph();
 		}
-
-		try {
-			serverInstance = getNMSClass("MinecraftServer").getMethod("getServer").invoke(null);
-			tpsField = serverInstance.getClass().getField("recentTps");
-		} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException
-				| SecurityException | NoSuchFieldException e) {
-			e.printStackTrace();
-		}
-
 	}
 
 	private static void LagMeasures(double d) {
@@ -195,12 +181,7 @@ public class Monitor {
 	}
 
 	public static String getTPS(int time) {
-		try {
-			double[] tps = ((double[]) tpsField.get(serverInstance));
-			return format.format(tps[time]).replace(',', '.');
-		} catch (IllegalAccessException e) {
-			throw new RuntimeException(e);
-		}
+		return format.format(Reflection.getTPS(time)).replace(",", ".");
 	}
 
 	public static void createGraph() {
@@ -245,11 +226,4 @@ public class Monitor {
 		}, 7L, 7L);
 	}
 
-	private static Class<?> getNMSClass(String className) {
-		try {
-			return Class.forName("net.minecraft.server." + version + "." + className);
-		} catch (ClassNotFoundException e) {
-			throw new RuntimeException(e);
-		}
-	}
 }

src/cx/sfy/LagAssist/client/ClientPacket.java

@@ -37,7 +37,7 @@ public class ClientPacket {
 					int z = ((int) Reflection.getFieldValue(msg, "d")) / 32;
 					Location loc = new Location(p.getWorld(), x, y, z);
 					ent = Reflection.getEntity(loc);
-				} else if (VersionMgr.isV1_13() || VersionMgr.isV1_14()) {
+				} else if (VersionMgr.isNewMaterials()) {
 					UUID u = (UUID) Reflection.getFieldValue(msg, "b");
 					ent = Bukkit.getEntity(u);
 				} else {

src/cx/sfy/LagAssist/packets/PacketInjector.java

@@ -9,6 +9,7 @@ import org.bukkit.entity.Player;
 
 import cx.sfy.LagAssist.client.ClientMain;
 import cx.sfy.LagAssist.safety.SafetyManager;
+import cx.sfy.LagAssist.utils.VersionMgr;
 import io.netty.channel.Channel;
 
 public class PacketInjector {
@@ -21,10 +22,10 @@ public class PacketInjector {
 			return;
 		}
 		try {
-			PacketInjector.playerConnection = Reflection.getClass("{nms}.EntityPlayer").getField("playerConnection");
-			PacketInjector.networkManager = Reflection.getClass("{nms}.PlayerConnection").getField("networkManager");
+			PacketInjector.playerConnection = Reflection.getClass(VersionMgr.isV_17Plus() ? "{nms}.level.EntityPlayer" : "{nms}.EntityPlayer").getField(VersionMgr.isV_17Plus() ? "b" : "playerConnection");
+			PacketInjector.networkManager = Reflection.getClass(VersionMgr.isV_17Plus() ? "{nms}.network.PlayerConnection" : "{nms}.PlayerConnection").getField(VersionMgr.isV_17Plus() ? "a" : "networkManager");
 
-			PacketInjector.channel = Reflection.getClass("{nms}.NetworkManager").getField("channel");
+			PacketInjector.channel = Reflection.getClass(VersionMgr.isV1_17() ? "{nm}.network.NetworkManager" : "{nms}.NetworkManager").getField(VersionMgr.isV1_17() ? "k" : "channel");
 
 			PacketInjector.refreshSessions();
 		} catch (Exception e) {

src/cx/sfy/LagAssist/packets/Reflection.java

@@ -40,7 +40,7 @@ public class Reflection {
 	public static enum Classes {
 
 		CraftWorld(), CraftBlock(), CraftPlayer(), Material(), MapMeta(), WorldServer(), ChunkProviderServer(),
-		PacketPlayOutTitle(), IChatBaseComponent(), World();
+		PacketPlayOutTitle(), IChatBaseComponent(), World(), MinecraftServer();
 
 		private Class<?> type;
 
@@ -52,7 +52,7 @@ public class Reflection {
 	public static enum Methods {
 
 		setMapId(), getMapId(), getPlayerHandle(), getBlockType(), getChunkProviderServer(), chunkExists(),
-		getIChatBaseComponent(), setViewDistance();
+		getIChatBaseComponent(), setViewDistance(), getServer();
 
 		private Method mthd;
 
@@ -70,10 +70,11 @@ public class Reflection {
 		Classes.CraftPlayer.type = getClass("{cb}.entity.CraftPlayer");
 		Classes.Material.type = getClass("{b}.Material");
 		Classes.MapMeta.type = getClass("{b}.inventory.meta.MapMeta");
-		Classes.WorldServer.type = getClass("{nms}.WorldServer");
-		Classes.ChunkProviderServer.type = getClass("{nms}.ChunkProviderServer");
-		Classes.IChatBaseComponent.type = getClass("{nms}.IChatBaseComponent");
-		Classes.PacketPlayOutTitle.type = getClass("{nms}.PacketPlayOutTitle");
+		Classes.WorldServer.type = getClass(VersionMgr.isV_17Plus() ? "{nms}.level.WorldServer" : "{nms}.WorldServer");
+		Classes.MinecraftServer.type = getClass("{nms}.MinecraftServer");
+		Classes.ChunkProviderServer.type = getClass(VersionMgr.isV_17Plus() ? "{nms}.level.ChunkProviderServer" : "{nms}.ChunkProviderServer");
+		Classes.IChatBaseComponent.type = getClass(VersionMgr.isV_17Plus() ? "{nm}.network.chat.IChatBaseComponent" : "{nms}.IChatBaseComponent");
+//		Classes.PacketPlayOutTitle.type = getClass(VersionMgr.isV_17Plus()? "{nm}.network.protocol.game.PacketPlayOutTitle" : "{nms}.PacketPlayOutTitle");
 
 		// PUTTING METHODS IN ENUM.
 		Methods.setMapId.mthd = getMethod(Classes.MapMeta.getType(), "setMapId", int.class);
@@ -85,6 +86,7 @@ public class Reflection {
 		Methods.chunkExists.mthd = getMethod(Classes.ChunkProviderServer.getType(), VersionMgr.ChunkExistsName(),
 				int.class, int.class);
 		Methods.setViewDistance.mthd = getMethod(Classes.World.getType(), "setViewDistance", int.class);
+		Methods.getServer.mthd = getMethod(Classes.MinecraftServer.getType(), "getServer");
 	}
 
 	@SuppressWarnings("deprecation")
@@ -96,33 +98,33 @@ public class Reflection {
 		}
 	}
 
-	public void sendTitle(Player p, int fadein, int stay, int fadeout, String title, String subtitle) {
-		try {
-			Object enumTitle = Classes.PacketPlayOutTitle.getType().getDeclaredClasses()[0].getField("TITLE").get(null);
-			Object enumSubtitle = Classes.PacketPlayOutTitle.getType().getDeclaredClasses()[0].getField("SUBTITLE")
-					.get(null);
-
-			Object titlebase = runMethod(null, Methods.getIChatBaseComponent.getMethod(),
-					"{\"text\": \"" + title + "\"}");
-			Object subtitlebase = runMethod(null, Methods.getIChatBaseComponent.getMethod(),
-					"{\"text\": \"" + subtitle + "\"}");
-
-			Class<?> packetcls = Classes.PacketPlayOutTitle.getType();
-			Constructor<?> constr = packetcls.getConstructor(
-					Classes.PacketPlayOutTitle.getType().getDeclaredClasses()[0], Classes.IChatBaseComponent.getType(),
-					int.class, int.class, int.class);
-
-			Object packetTitle = constr.newInstance(enumTitle, titlebase, fadein, stay, fadeout);
-			Object packetSubtitle = constr.newInstance(enumSubtitle, subtitlebase, fadein, stay, fadeout);
-
-			sendPlayerPacket(p, packetTitle);
-			sendPlayerPacket(p, packetSubtitle);
-		}
-
-		catch (Exception e) {
-			e.printStackTrace();
-		}
-	}
+//	public void sendTitle(Player p, int fadein, int stay, int fadeout, String title, String subtitle) {
+//		try {
+//			Object enumTitle = Classes.PacketPlayOutTitle.getType().getDeclaredClasses()[0].getField("TITLE").get(null);
+//			Object enumSubtitle = Classes.PacketPlayOutTitle.getType().getDeclaredClasses()[0].getField("SUBTITLE")
+//					.get(null);
+//
+//			Object titlebase = runMethod(null, Methods.getIChatBaseComponent.getMethod(),
+//					"{\"text\": \"" + title + "\"}");
+//			Object subtitlebase = runMethod(null, Methods.getIChatBaseComponent.getMethod(),
+//					"{\"text\": \"" + subtitle + "\"}");
+//
+//			Class<?> packetcls = Classes.PacketPlayOutTitle.getType();
+//			Constructor<?> constr = packetcls.getConstructor(
+//					Classes.PacketPlayOutTitle.getType().getDeclaredClasses()[0], Classes.IChatBaseComponent.getType(),
+//					int.class, int.class, int.class);
+//
+//			Object packetTitle = constr.newInstance(enumTitle, titlebase, fadein, stay, fadeout);
+//			Object packetSubtitle = constr.newInstance(enumSubtitle, subtitlebase, fadein, stay, fadeout);
+//
+//			sendPlayerPacket(p, packetTitle);
+//			sendPlayerPacket(p, packetSubtitle);
+//		}
+//
+//		catch (Exception e) {
+//			e.printStackTrace();
+//		}
+//	}
 
 	public static MapView getMapView(int i) {
 		Class<?> buk = Bukkit.class;
@@ -136,6 +138,23 @@ public class Reflection {
 		}
 
 	}
+	
+	private static Object minecraftserver = null;
+	public static double getTPS(int number) {
+		try {
+		if (minecraftserver == null) {
+			minecraftserver = Methods.getServer.mthd.invoke(null);
+		}
+		
+		Field f = Reflection.getField(Classes.MinecraftServer.type, "recentTps");
+		f.setAccessible(true);
+		
+		return ((double[])f.get(minecraftserver))[number];
+		} catch(Exception e) {
+			e.printStackTrace();
+			return -1;
+		}
+	}
 
 	public static int getId(MapView view) {
 		if (view == null) {
@@ -167,8 +186,9 @@ public class Reflection {
 
 	public static Class<?> getClass(String classname) {
 		try {
-			String path = classname.replace("{nms}", "net.minecraft.server." + version)
-					.replace("{nm}", "net.minecraft." + version).replace("{cb}", "org.bukkit.craftbukkit." + version)
+			
+			String path = classname.replace("{nms}", "net.minecraft.server" + (VersionMgr.isV_17Plus() ? "" : "." + version))
+					.replace("{nm}", "net.minecraft" + (VersionMgr.isV_17Plus() ? "" : "." + version)).replace("{cb}", "org.bukkit.craftbukkit." + version)
 					.replace("{b}", "org.bukkit");
 			return Class.forName(path);
 		} catch (Exception e) {

src/cx/sfy/LagAssist/utils/VersionMgr.java

@@ -43,7 +43,7 @@ public class VersionMgr {
 	}
 
 	public static boolean isV1_11() {
-		return !isV1_8() && !isV1_9() && !isV1_10();
+		return Bukkit.getVersion().contains("1.11");
 	}
 	
 	public static boolean isV1_12() {
@@ -58,6 +58,14 @@ public class VersionMgr {
 		return Bukkit.getVersion().contains("1.14");
 	}
 	
+	public static boolean isV1_17() {
+		return Bukkit.getVersion().contains("1.17");
+	}
+	
+	public static boolean isV_17Plus() {
+		return isV1_17();
+	}
+	
 	public static boolean isNewMaterials() {
 		if (isV1_8()) {
 			return false;