BauSystem_12/src/de/steamwar/bausystem/commands/TPSLimit_12.java

@@ -24,7 +24,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_12_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer;
-import org.bukkit.entity.FallingBlock;
+import org.bukkit.entity.Player;
 import org.bukkit.entity.TNTPrimed;
 
 import java.util.ArrayList;
@@ -36,7 +36,7 @@ class TPSLimit_12 {
 
     static void createTickCache(World world) {
         packets.clear();
-        world.getEntitiesByClasses(TNTPrimed.class, FallingBlock.class).forEach(entity -> {
+        world.getEntities().stream().filter(entity -> !(entity instanceof Player)).forEach(entity -> {
             packets.add(new PacketPlayOutEntityVelocity(entity.getEntityId(), 0, 0, 0));
             packets.add(new PacketPlayOutEntityTeleport(((CraftEntity) entity).getHandle()));
 

BauSystem_12/src/de/steamwar/bausystem/tracer/TraceEntity_12.java

@@ -49,7 +49,7 @@ class TraceEntity_12 extends EntityFallingBlock implements AbstractTraceEntity {
         } else if (references++ > 0)
             return;
 
-        PacketPlayOutSpawnEntity packetPlayOutSpawnEntity = new PacketPlayOutSpawnEntity(this, 0, 0);
+        PacketPlayOutSpawnEntity packetPlayOutSpawnEntity = new PacketPlayOutSpawnEntity(this, 70, Block.getCombinedId(getBlock()));
         PlayerConnection playerConnection = ((CraftPlayer) player).getHandle().playerConnection;
         playerConnection.sendPacket(packetPlayOutSpawnEntity);
 

BauSystem_15/src/de/steamwar/bausystem/commands/TPSLimit_15.java

@@ -24,7 +24,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.craftbukkit.v1_15_R1.entity.CraftEntity;
 import org.bukkit.craftbukkit.v1_15_R1.entity.CraftPlayer;
-import org.bukkit.entity.FallingBlock;
+import org.bukkit.entity.Player;
 import org.bukkit.entity.TNTPrimed;
 
 import java.util.ArrayList;
@@ -37,7 +37,7 @@ class TPSLimit_15 {
 
     static void createTickCache(World world) {
         packets.clear();
-        world.getEntitiesByClasses(TNTPrimed.class, FallingBlock.class).forEach(entity -> {
+        world.getEntities().stream().filter(entity -> !(entity instanceof Player)).forEach(entity -> {
             packets.add(new PacketPlayOutEntityVelocity(entity.getEntityId(), noMotion));
             packets.add(new PacketPlayOutEntityTeleport(((CraftEntity) entity).getHandle()));
 

BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java

@@ -23,6 +23,7 @@ import de.steamwar.bausystem.commands.*;
 import de.steamwar.bausystem.world.*;
 import de.steamwar.core.CommandRemover;
 import de.steamwar.core.Core;
+import de.steamwar.core.VersionedRunnable;
 import de.steamwar.scoreboard.SWScoreboard;
 import de.steamwar.sql.SteamwarUser;
 import org.bukkit.Bukkit;
@@ -101,6 +102,7 @@ public class BauSystem extends JavaPlugin implements Listener {
         getCommand("scriptvars").setTabCompleter(new CommandScriptVarsTabCompleter());
         getCommand("simulator").setExecutor(new CommandSimulator());
         getCommand("simulator").setTabCompleter(new CommandSimulatorTabCompleter());
+        getCommand("redstonetester").setExecutor(new CommandRedstoneTester());
         getCommand("gui").setExecutor(new CommandGUI());
 
         Bukkit.getPluginManager().registerEvents(this, this);
@@ -111,6 +113,7 @@ public class BauSystem extends JavaPlugin implements Listener {
         Bukkit.getPluginManager().registerEvents(new TNTSimulatorListener(), this);
         Bukkit.getPluginManager().registerEvents(new CommandGUI(), this);
         Bukkit.getPluginManager().registerEvents(new DetonatorListener(), this);
+        VersionedRunnable.call(new VersionedRunnable(() -> Bukkit.getPluginManager().registerEvents(new RedstoneListener(), this), 15));
         new AFKStopper();
 
         autoShutdown = Bukkit.getScheduler().runTaskLater(this, Bukkit::shutdown, 1200);

BauSystem_Main/src/de/steamwar/bausystem/commands/CommandDetonator.java

@@ -33,7 +33,7 @@ public class CommandDetonator implements CommandExecutor {
 
     private void help(Player player) {
         player.sendMessage("§8/§edetonator wand §8- §7Legt den Fernzünder ins Inventar");
-        player.sendMessage("§8/§edetonator detonate §8- §7Benutzt den Fernzünder");
+        player.sendMessage("§8/§edetonator detonate §8- §7Benutzt den nächst besten Fernzünder");
         player.sendMessage("§8/§edetonator reset §8- §7Löscht alle markierten Positionen");
         player.sendMessage("§8/§edetonator remove §8- §7Entfernt den Fernzünder");
     }

BauSystem_Main/src/de/steamwar/bausystem/commands/CommandGUI.java

@@ -53,8 +53,6 @@ public class CommandGUI implements CommandExecutor, Listener {
                 OPEN_INVS.remove(player);
         });
 
-        inv.setItem(37, getMaterial("GLASS_PANE", "THIN_GLASS"), "§7Platzhalter", clickType -> {
-        });
         inv.setItem(43, getMaterial("GLASS_PANE", "THIN_GLASS"), "§7Platzhalter", clickType -> {
         });
         inv.setItem(42, Material.NETHER_STAR, "§7Bau GUI Item", Arrays.asList("§7Du kannst dieses Item zum Öffnen der BauGUI nutzen", "§7oder Doppel F (Swap hands) drücken."), false, clickType -> {
@@ -78,6 +76,14 @@ public class CommandGUI implements CommandExecutor, Listener {
             player.performCommand("sim wand");
         });
 
+        ItemStack redstoneWand = wand(player, RedstoneListener.WAND, "§8/§7redstonetester", Permission.build, "Du hast keine Buildrechte");
+        inv.setItem(37, redstoneWand, clickType -> {
+            if (Welt.noPermission(player, Permission.build))
+                return;
+            player.closeInventory();
+            player.performCommand("redstonetester");
+        });
+
         inv.setItem(40, getMaterial("WOODEN_AXE", "WOOD_AXE"), "§eWorldedit Axt", getNoPermsLore(Arrays.asList("§8//§7wand"), player, "§cDu hast keine Worldeditrechte", Permission.worldedit), false, clickType -> {
             if (Welt.noPermission(player, Permission.world))
                 return;
@@ -571,7 +577,7 @@ public class CommandGUI implements CommandExecutor, Listener {
         ItemMeta meta = base.getItemMeta();
         List<String> lore = meta.getLore();
         lore.add(command);
-        if (Welt.noPermission(player, permission))
+        if (permission != null && Welt.noPermission(player, permission))
             lore.add(noPermissionMessage);
         meta.setLore(lore);
         base.setItemMeta(meta);

BauSystem_Main/src/de/steamwar/bausystem/commands/CommandRedstoneTester.java

@@ -0,0 +1,60 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.commands;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.Permission;
+import de.steamwar.bausystem.SWUtils;
+import de.steamwar.bausystem.world.RedstoneListener;
+import de.steamwar.bausystem.world.Welt;
+import de.steamwar.core.VersionedRunnable;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public class CommandRedstoneTester implements CommandExecutor {
+
+    private boolean permissionCheck(Player player) {
+        if (Welt.noPermission(player, Permission.build)) {
+            player.sendMessage(BauSystem.PREFIX + "§cDu darfst hier nicht den Redstonetester nutzen");
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public boolean onCommand(CommandSender commandSender, Command command, String s, String[] args) {
+        if (!(commandSender instanceof Player))
+            return false;
+        Player player = (Player) commandSender;
+        VersionedRunnable.call(new VersionedRunnable(() -> {
+            player.sendMessage(BauSystem.PREFIX + "Der RedstoneTester ist nicht in der 1.12 verfügbar");
+        }, 8), new VersionedRunnable(() -> {
+            if (!permissionCheck(player)) {
+                return;
+            }
+            player.sendMessage(BauSystem.PREFIX + "Messe die Zeit zwischen der Aktivierung zweier Redstone Komponenten");
+            SWUtils.giveItemToPlayer(player, RedstoneListener.WAND);
+        }, 15));
+        return false;
+    }
+
+}

BauSystem_Main/src/de/steamwar/bausystem/world/Detonator.java

@@ -50,7 +50,11 @@ public class Detonator implements Listener {
 
         im.setDisplayName("§eFernzünder");
 
-        VersionedRunnable.call(new VersionedRunnable(() -> im.getPersistentDataContainer().set(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE, (byte) 1), 15));
+        VersionedRunnable.call(
+                new VersionedRunnable(() -> {
+                    im.getPersistentDataContainer().set(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE, (byte) 1);
+                    im.getPersistentDataContainer().set(new NamespacedKey(BauSystem.getPlugin(), "deto-locs"), PersistentDataType.INTEGER, 0);
+                }, 15));
 
         List<String> lorelist = Arrays.asList("§eLinks Klick §8- §7Setzte einen Punkt zum Aktivieren",
                 "§eLinks Klick + Shift §8- §7Füge einen Punkt hinzu", "§eRechts Klick §8- §7Löse alle Punkte aus");
@@ -66,7 +70,7 @@ public class Detonator implements Listener {
             ItemMeta meta = item.getItemMeta();
             PersistentDataContainer container = meta.getPersistentDataContainer();
             List<int[]> locs = new ArrayList<>();
-            for (int i = 0; i < 128; i++) {
+            for (int i = 0; i < getDetoLocs(container); i++) {
                 NamespacedKey key = new NamespacedKey(BauSystem.getPlugin(), DETO_PREFIX + i);
                 if (container.has(key, PersistentDataType.INTEGER_ARRAY))
                     locs.add(container.get(key, PersistentDataType.INTEGER_ARRAY));
@@ -94,7 +98,7 @@ public class Detonator implements Listener {
             }, 12), new VersionedCallable<>(() -> removeLocation(item, location), 15));
         } else {
             DetonatorListener.print(player, detoloader.addBack ? "§e" + detoloader.getBlock() + " hinzugefügt" :
-                    detoloader.getBlock(), Math.min(Detonator.getDetonator(player, player.getInventory().getItemInMainHand()).getLocs().size() + 1, 128));
+                    detoloader.getBlock(), Detonator.getDetonator(player, player.getInventory().getItemInMainHand()).getLocs().size() + 1);
             if (detoloader.getActivation() == 0)
                 return VersionedCallable.call(new VersionedCallable<>(() -> {
                     PLAYER_LOCS.computeIfAbsent(player, player1 -> new HashSet<>()).add(new Detoloader.DetonatorActivation(location));
@@ -110,11 +114,40 @@ public class Detonator implements Listener {
 
     public static void execute(Player player) {
         VersionedRunnable.call(new VersionedRunnable(() -> execute(player, PLAYER_LOCS.get(player)), 12), new VersionedRunnable(() -> {
-            Detonator detonator = getDetonator(player, player.getInventory().getItemInMainHand());
-            execute(player, detonator.getLocs());
+            try {
+                ItemStack item = getNextBestDetonator(player);
+                if (item == null)
+                    return;
+                Detonator detonator = getDetonator(player, item);
+                execute(player, detonator.getLocs());
+            } catch (SecurityException e) {
+                player.sendMessage(BauSystem.PREFIX + "§c" + e.getMessage());
+            }
         }, 15));
     }
 
+    private static ItemStack getNextBestDetonator(Player player) {
+        if (player.getInventory().getItemInMainHand().getItemMeta() != null && player.getInventory().getItemInMainHand().getItemMeta().getPersistentDataContainer().has(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE)) {
+            return player.getInventory().getItemInMainHand();
+        }
+
+        if(player.getInventory().getItemInOffHand().getItemMeta() != null && player.getInventory().getItemInOffHand().getItemMeta().getPersistentDataContainer().has(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE)) {
+            return player.getInventory().getItemInOffHand();
+        }
+
+        for (ItemStack item : player.getInventory().getContents()) {
+            if (item == null)
+                continue;
+
+            if (item.getItemMeta() != null &&
+                    item.getItemMeta().getPersistentDataContainer().has(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE)) {
+                return item;
+            }
+        }
+        player.sendMessage(BauSystem.PREFIX + "§cDu hast keinen Detonator im Inventar");
+        return null;
+    }
+
     private static void execute(Player player, Set<Detoloader.DetonatorActivation> locs) {
         for (Detoloader.DetonatorActivation activation : locs) {
 
@@ -141,22 +174,46 @@ public class Detonator implements Listener {
 
     private static int getFreeSlot(ItemStack item) {
         ItemMeta meta = item.getItemMeta();
+        if (meta == null) {
+            throw new SecurityException("Das Item ist kein Detonator");
+        }
         PersistentDataContainer container = meta.getPersistentDataContainer();
-        for (int i = 0; i < 128; i++) {
-            if (!container.has(new NamespacedKey(BauSystem.getPlugin(), DETO_PREFIX + i), PersistentDataType.INTEGER_ARRAY))
+        if (!container.has(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE)) {
+            throw new SecurityException("Das Item ist kein Detonator");
+        }
+        for (int i = 0; i < getDetoLocs(container) + 1; i++) {
+            if (!container.has(new NamespacedKey(BauSystem.getPlugin(), DETO_PREFIX + i), PersistentDataType.INTEGER_ARRAY)) {
                 return i;
+            }
         }
         return -1;
     }
 
+    private static int getDetoLocs(PersistentDataContainer container) {
+        if (!container.has(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE)) {
+            throw new SecurityException("Das Item ist kein Detonator");
+        }
+        return container.get(new NamespacedKey(BauSystem.getPlugin(), "deto-locs"), PersistentDataType.INTEGER);
+    }
+
+    private static void increaseLocsSize(PersistentDataContainer container, int to) {
+        if (!container.has(new NamespacedKey(BauSystem.getPlugin(), "deto"), PersistentDataType.BYTE)) {
+            throw new SecurityException("Das Item ist kein Detonator");
+        }
+        if (container.get(new NamespacedKey(BauSystem.getPlugin(), "deto-locs"), PersistentDataType.INTEGER) < to) {
+            container.set(new NamespacedKey(BauSystem.getPlugin(), "deto-locs"), PersistentDataType.INTEGER, to);
+        }
+    }
+
     public static ItemStack pushLocToDetonator(ItemStack item, Detoloader.DetonatorActivation detoloader) {
         int slot = getFreeSlot(item);
         if (slot == -1)
-            throw new SecurityException("Der Detonator ist auf 128 Positionen Limitiert");
+            throw new SecurityException("Ein Fehler ist aufgetreten");
         ItemMeta meta = item.getItemMeta();
         Location block = detoloader.location;
         meta.getPersistentDataContainer().set(new NamespacedKey(BauSystem.getPlugin(), DETO_PREFIX + slot), PersistentDataType.INTEGER_ARRAY, new int[]
                 {block.getBlockX(), block.getBlockY(), block.getBlockZ(), detoloader.activation});
+        increaseLocsSize(meta.getPersistentDataContainer(), slot + 1);
         item.setItemMeta(meta);
         return item;
     }
@@ -164,7 +221,8 @@ public class Detonator implements Listener {
     public static ItemStack clearDetonator(ItemStack item) {
         ItemMeta meta = item.getItemMeta();
         PersistentDataContainer container = meta.getPersistentDataContainer();
-        for (int i = 0; i < 128; i++) {
+        container.set(new NamespacedKey(BauSystem.getPlugin(), "deto-locs"), PersistentDataType.INTEGER, 0);
+        for (int i = 0; i < getDetoLocs(container); i++) {
             NamespacedKey key = new NamespacedKey(BauSystem.getPlugin(), DETO_PREFIX + i);
             container.remove(key);
         }
@@ -179,7 +237,7 @@ public class Detonator implements Listener {
     private static int getSlotOfLocation(ItemStack item, Location location) {
         ItemMeta meta = item.getItemMeta();
         PersistentDataContainer container = meta.getPersistentDataContainer();
-        for (int i = 0; i < 128; i++) {
+        for (int i = 0; i < getDetoLocs(container); i++) {
             NamespacedKey key = new NamespacedKey(BauSystem.getPlugin(), DETO_PREFIX + i);
             if (container.has(key, PersistentDataType.INTEGER_ARRAY)) {
                 int[] locs = container.get(key, PersistentDataType.INTEGER_ARRAY);

BauSystem_Main/src/de/steamwar/bausystem/world/DetonatorListener.java

@@ -27,40 +27,35 @@ public class DetonatorListener implements Listener {
             }
             ItemStack item = event.getItem();
             event.setCancelled(true);
-            try {
-                switch (event.getAction()) {
-                    case LEFT_CLICK_BLOCK:
-                        Detoloader detoloader = VersionedCallable.call(
-                                new VersionedCallable<>(() -> AutoLoader_12.onPlayerInteractLoader(event), 12),
-                                new VersionedCallable<>(() -> AutoLoader_15.onPlayerInteractLoader(event), 15));
+            switch (event.getAction()) {
+                case LEFT_CLICK_BLOCK:
+                    Detoloader detoloader = VersionedCallable.call(
+                            new VersionedCallable<>(() -> AutoLoader_12.onPlayerInteractLoader(event), 12),
+                            new VersionedCallable<>(() -> AutoLoader_15.onPlayerInteractLoader(event), 15));
 
-                        if (detoloader == null) {
-                            return;
-                        } else if (detoloader.activation == -1) {
-                            print(player, detoloader.getBlock(), detoloader.addBack ? Detonator.getDetonator(player, player.getInventory().getItemInMainHand()).getLocs().size() : 0);
-                            return;
-                        }
+                    if (detoloader == null) {
+                        return;
+                    } else if (detoloader.activation == -1) {
+                        print(player, detoloader.getBlock(), detoloader.addBack ? Detonator.getDetonator(player, player.getInventory().getItemInMainHand()).getLocs().size() : 0);
+                        return;
+                    }
 
-                        if (event.getPlayer().isSneaking()) {
-                            player.getInventory().setItemInMainHand(Detonator.toggleLocation(item, player, detoloader, event.getClickedBlock().getLocation()));
+                    if (event.getPlayer().isSneaking()) {
+                        player.getInventory().setItemInMainHand(Detonator.toggleLocation(item, player, detoloader, event.getClickedBlock().getLocation()));
+                    } else {
+                        if (detoloader.getActivation() == 0) {
+                            player.getInventory().setItemInMainHand(Detonator.setLocation(player, item, new Detoloader.DetonatorActivation(event.getClickedBlock().getLocation())));
                         } else {
-                            if (detoloader.getActivation() == 0) {
-                                player.getInventory().setItemInMainHand(Detonator.setLocation(player, item, new Detoloader.DetonatorActivation(event.getClickedBlock().getLocation())));
-                            } else {
-                                player.getInventory().setItemInMainHand(Detonator.setLocation(player, item, new Detoloader.DetonatorActivation(detoloader.activation, event.getClickedBlock().getLocation())));
-                            }
-                            print(player, detoloader.addBack ? "§e" + detoloader.getBlock() + " gesetzt" :
-                                    detoloader.getBlock(), detoloader.addBack ? Detonator.getDetonator(player, player.getInventory().getItemInMainHand()).getLocs().size() : 0);
+                            player.getInventory().setItemInMainHand(Detonator.setLocation(player, item, new Detoloader.DetonatorActivation(detoloader.activation, event.getClickedBlock().getLocation())));
                         }
-                        break;
-                    case RIGHT_CLICK_AIR:
-                    case RIGHT_CLICK_BLOCK:
-                        Detonator.execute(player);
-                        break;
-                }
-            } catch (RuntimeException e) {
-                player.sendMessage(BauSystem.PREFIX + "§c" + e.getMessage());
-                player.getInventory().setItemInMainHand(item);
+                        print(player, detoloader.addBack ? "§e" + detoloader.getBlock() + " gesetzt" :
+                                detoloader.getBlock(), detoloader.addBack ? Detonator.getDetonator(player, player.getInventory().getItemInMainHand()).getLocs().size() : 0);
+                    }
+                    break;
+                case RIGHT_CLICK_AIR:
+                case RIGHT_CLICK_BLOCK:
+                    Detonator.execute(player);
+                    break;
             }
         }
     }

BauSystem_Main/src/de/steamwar/bausystem/world/RedstoneListener.java

@@ -0,0 +1,175 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.world;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.Permission;
+import de.steamwar.inventory.SWItem;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.Powerable;
+import org.bukkit.block.data.type.Piston;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockDispenseEvent;
+import org.bukkit.event.block.BlockPistonExtendEvent;
+import org.bukkit.event.block.BlockPistonRetractEvent;
+import org.bukkit.event.block.BlockRedstoneEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+public class RedstoneListener implements Listener {
+
+    public static final ItemStack WAND = new SWItem(Material.BLAZE_ROD, "§eRedstonetester", Arrays.asList("§eLinksklick Block §8- §7Setzt die 1. Position", "§eRechtsklick Block §8- §7Setzt die 2. Position", "§eShift-Rechtsklick Luft §8- §7Zurücksetzten"), false, null).getItemStack();
+    private static Map<Player, RedstoneTester> playerMap = new HashMap<>();
+
+    private boolean permissionCheck(Player player) {
+        if (Welt.noPermission(player, Permission.build)) {
+            player.sendMessage(BauSystem.PREFIX + "§cDu darfst hier nicht den Redstonetester nutzen");
+            return false;
+        }
+        return true;
+    }
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent event) {
+        if (!WAND.isSimilar(event.getItem())) return;
+        Player player = event.getPlayer();
+        Block block = event.getClickedBlock();
+        event.setCancelled(true);
+
+        if (!permissionCheck(event.getPlayer())) {
+            return;
+        }
+
+        switch (event.getAction()) {
+            case RIGHT_CLICK_AIR:
+                if (player.isSneaking()) {
+                    playerMap.remove(event.getPlayer());
+                    player.sendMessage(BauSystem.PREFIX + "Positionen gelöscht§8.");
+                }
+                break;
+            case LEFT_CLICK_BLOCK:
+                if (!validBlock(event.getPlayer(), block.getBlockData())) return;
+                playerMap.computeIfAbsent(event.getPlayer(), RedstoneTester::new).loc1 = block.getLocation();
+                sendLocation(event.getPlayer(), "POS1", block.getLocation());
+                break;
+            case RIGHT_CLICK_BLOCK:
+                if (!validBlock(event.getPlayer(), block.getBlockData())) return;
+                playerMap.computeIfAbsent(event.getPlayer(), RedstoneTester::new).loc2 = block.getLocation();
+                sendLocation(event.getPlayer(), "POS2", block.getLocation());
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void sendLocation(Player player, String prefix, Location location) {
+        player.sendMessage(BauSystem.PREFIX + prefix + "§8: §e" + locationToString(location));
+    }
+
+    private static String locationToString(Location location) {
+        return location.getBlockX() + " " + location.getBlockY() + " " + location.getBlockZ();
+    }
+
+    private boolean validBlock(Player player, BlockData block) {
+        if (block instanceof Powerable) return true;
+        if (block instanceof Piston) return true;
+        player.sendMessage(BauSystem.PREFIX + "§cUnbekannte Position");
+        return false;
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        playerMap.remove(event.getPlayer());
+    }
+
+    @EventHandler
+    public void onPistonExtend(BlockPistonExtendEvent e) {
+        playerMap.forEach((player, redstoneTester) -> {
+            redstoneTester.activate(e.getBlock().getLocation());
+        });
+    }
+
+    @EventHandler
+    public void onPistonRetract(BlockPistonRetractEvent e) {
+        playerMap.forEach((player, redstoneTester) -> {
+            redstoneTester.activate(e.getBlock().getLocation());
+        });
+    }
+
+    @EventHandler
+    public void onRedstoneEvent(BlockRedstoneEvent e) {
+        playerMap.forEach((player, redstoneTester) -> {
+            redstoneTester.activate(e.getBlock().getLocation());
+        });
+    }
+
+    @EventHandler
+    public void onBlockDispense(BlockDispenseEvent e) {
+        playerMap.forEach((player, redstoneTester) -> {
+            redstoneTester.activate(e.getBlock().getLocation());
+        });
+    }
+
+    private static class RedstoneTester {
+
+        private final Player player;
+        private Location loc1 = null;
+        private Location loc2 = null;
+
+        private long lastTick = 0;
+        private Long tick = null;
+
+        public RedstoneTester(Player player) {
+            this.player = player;
+        }
+
+        private void activate(Location location) {
+            if (loc1 == null || loc2 == null) {
+                tick = null;
+                return;
+            }
+            if (loc1.equals(location)) {
+                if (TPSUtils.currentTick.get() - lastTick > 100) {
+                    tick = null;
+                }
+                lastTick = TPSUtils.currentTick.get();
+                if (tick == null) {
+                    tick = TPSUtils.currentTick.get();
+                }
+                return;
+            }
+            if (tick != null && loc2.equals(location)) {
+                player.sendMessage(BauSystem.PREFIX + "Differenz§8: §e" + (TPSUtils.currentTick.get() - tick) + "§8 - §7in Ticks §8(§7Ticks/2 -> Redstoneticks§8)");
+            }
+        }
+
+    }
+
+}

BauSystem_Main/src/de/steamwar/bausystem/world/TPSUtils.java

@@ -26,6 +26,8 @@ import de.steamwar.core.TPSWatcher;
 import de.steamwar.core.VersionedRunnable;
 import org.bukkit.Bukkit;
 
+import java.util.function.Supplier;
+
 public class TPSUtils {
 
     private TPSUtils() {
@@ -36,12 +38,19 @@ public class TPSUtils {
     private static long nanoOffset = 0;
     private static long nanoDOffset = 0;
 
+    private static long ticksSinceServerStart = 0;
+    public static final Supplier<Long> currentTick = () -> ticksSinceServerStart;
+
     public static void init() {
         VersionedRunnable.call(new VersionedRunnable(() -> warp = false, 8),
                 new VersionedRunnable(() -> {
                     Bukkit.getScheduler().runTaskTimer(BauSystem.getPlugin(), () -> nanoOffset += nanoDOffset, 1, 1);
                     TPSUtils_15.init(() -> nanoOffset);
                 }, 15));
+
+        Bukkit.getScheduler().runTaskTimer(BauSystem.getPlugin(), () -> {
+            ticksSinceServerStart++;
+        }, 1, 1);
     }
 
     public static void setTPS(double tps) {

BauSystem_Main/src/plugin.yml

@@ -39,4 +39,6 @@ commands:
   scriptvars:
   simulator:
     aliases: sim
-  gui:
+  gui:
+  redstonetester:
+    aliases: rt