BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulatorListener.java

@@ -35,7 +35,7 @@ import org.bukkit.inventory.PlayerInventory;
 
 import java.util.function.Function;
 
-@Linked
+// @Linked
 public class TNTSimulatorListener implements Listener {
 
     private boolean permissionCheck(Player player) {

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/SimulatorCursor.java

@@ -22,14 +22,25 @@ package de.steamwar.bausystem.features.simulator2;
 import com.comphenix.tinyprotocol.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
 import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.SWUtils;
 import de.steamwar.bausystem.features.simulator2.data.Simulator;
+import de.steamwar.bausystem.features.simulator2.data.SimulatorElement;
+import de.steamwar.bausystem.features.simulator2.data.SimulatorGroup;
+import de.steamwar.bausystem.features.simulator2.data.redstone.RedstoneElement;
+import de.steamwar.bausystem.features.simulator2.data.redstone.RedstonePhase;
+import de.steamwar.bausystem.features.simulator2.data.tnt.TNTElement;
+import de.steamwar.bausystem.features.simulator2.data.tnt.TNTPhase;
+import de.steamwar.bausystem.features.simulator2.execute.SimulatorExecutor;
+import de.steamwar.bausystem.features.simulator2.gui.SimulatorGroupGui;
+import de.steamwar.bausystem.features.simulator2.gui.SimulatorGui;
+import de.steamwar.bausystem.features.simulator2.gui.base.SimulatorBaseGui;
 import de.steamwar.bausystem.utils.ItemUtils;
 import de.steamwar.bausystem.utils.RayTraceUtils;
 import de.steamwar.entity.REntity;
 import de.steamwar.entity.REntityServer;
 import de.steamwar.entity.RFallingBlockEntity;
+import de.steamwar.inventory.SWAnvilInv;
 import de.steamwar.linkage.Linked;
-import de.steamwar.linkage.api.Plain;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import org.bukkit.Bukkit;
@@ -41,15 +52,21 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
 import org.bukkit.event.player.*;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.util.Vector;
 
-import java.util.*;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 @Linked
-public class SimulatorCursor implements Plain, Listener {
+public class SimulatorCursor implements Listener {
 
     private final World WORLD = Bukkit.getWorlds().get(0);
     private Class<?> position = Reflection.getClass("{nms.network.protocol.game}.PacketPlayInFlying$PacketPlayInPosition");
@@ -113,8 +130,7 @@ public class SimulatorCursor implements Plain, Listener {
             return;
         }
         if (LAST_SNEAKS.containsKey(player)) {
-            CursorType type = cursorType.getOrDefault(player, CursorType.TNT).switchType();
+            cursorType.put(player, cursorType.getOrDefault(player, CursorType.TNT).switchType());
-            cursorType.put(player, type);
             calcCursor(player);
         } else {
             LAST_SNEAKS.put(player, System.currentTimeMillis());
@@ -124,27 +140,32 @@ public class SimulatorCursor implements Plain, Listener {
     private void calcCursor(Player player) {
         if (!isSimulatorItem(player.getInventory().getItemInMainHand()) && !isSimulatorItem(player.getInventory().getItemInOffHand())) {
             removeCursor(player);
+            SimulatorWatcher.show(null, player);
+            SWUtils.sendToActionbar(player, "");
             return;
         }
         Simulator simulator = SimulatorStorage.getSimulator(player);
+        SimulatorWatcher.show(simulator, player);
+
         List<REntity> entities = SimulatorWatcher.getEntitiesOfSimulator(simulator);
         RayTraceUtils.RRayTraceResult rayTraceResult = RayTraceUtils.traceREntity(player, player.getLocation(), entities);
         if (rayTraceResult == null) {
             removeCursor(player);
+            SWUtils.sendToActionbar(player, "");
             return;
         }
 
-        showCursor(player, rayTraceResult);
+        showCursor(player, rayTraceResult, simulator != null);
     }
 
-    private void removeCursor(Player player) {
+    private synchronized void removeCursor(Player player) {
         REntityServer entityServer = cursors.get(player);
         if (entityServer != null) {
             entityServer.getEntities().forEach(REntity::die);
         }
     }
 
-    private synchronized void showCursor(Player player, RayTraceUtils.RRayTraceResult rayTraceResult) {
+    private synchronized void showCursor(Player player, RayTraceUtils.RRayTraceResult rayTraceResult, boolean hasSimulatorSelected) {
         REntityServer entityServer = cursors.computeIfAbsent(player, __ -> {
             REntityServer rEntityServer = new REntityServer();
             rEntityServer.addPlayer(player);
@@ -173,6 +194,16 @@ public class SimulatorCursor implements Plain, Listener {
                 rFallingBlockEntity.setGlowing(true);
             }
         }
+
+        if (hasSimulatorSelected) {
+            if (hitEntity != null) {
+                SWUtils.sendToActionbar(player, "§eEdit Position");
+            } else {
+                SWUtils.sendToActionbar(player, "§eAdd new " + type.name);
+            }
+        } else {
+            SWUtils.sendToActionbar(player, "§eCreate new Simulator");
+        }
     }
 
     public static Vector getPosTNT(Player player, RayTraceUtils.RRayTraceResult result) {
@@ -250,12 +281,14 @@ public class SimulatorCursor implements Plain, Listener {
     @Getter
     @AllArgsConstructor
     public enum CursorType {
-        TNT(Material.TNT, SimulatorCursor::getPosTNT),
+        TNT(Material.TNT, SimulatorCursor::getPosTNT, "TNT", vector -> new TNTElement(vector).add(new TNTPhase())),
-        REDSTONE_BLOCK(Material.REDSTONE_BLOCK, SimulatorCursor::getPosRedstoneBlock),
+        REDSTONE_BLOCK(Material.REDSTONE_BLOCK, SimulatorCursor::getPosRedstoneBlock, "Redstone Block", vector -> new RedstoneElement(vector).add(new RedstonePhase())),
         ;
 
         private Material material;
         private BiFunction<Player, RayTraceUtils.RRayTraceResult, Vector> position;
+        private String name;
+        private Function<Vector, SimulatorElement<?>> elementFunction;
 
         public CursorType switchType() {
             if (this == TNT) {
@@ -264,4 +297,93 @@ public class SimulatorCursor implements Plain, Listener {
             return TNT;
         }
     }
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent event) {
+        if (!ItemUtils.isItem(event.getItem(), "simulator")) {
+            return;
+        }
+
+        event.setCancelled(true);
+        Player player = event.getPlayer();
+        Simulator simulator = SimulatorStorage.getSimulator(player);
+
+        if (event.getAction() == Action.LEFT_CLICK_BLOCK || event.getAction() == Action.LEFT_CLICK_AIR) {
+            if (simulator == null) {
+                return;
+            }
+            SimulatorExecutor.run(simulator);
+            return;
+        }
+
+        if (event.getAction() != Action.RIGHT_CLICK_BLOCK && event.getAction() != Action.RIGHT_CLICK_AIR) {
+            return;
+        }
+
+
+        RayTraceUtils.RRayTraceResult rayTraceResult = RayTraceUtils.traceREntity(player, player.getLocation(), SimulatorWatcher.getEntitiesOfSimulator(simulator));
+        if (simulator == null) {
+            if (rayTraceResult == null) {
+                // TODO: Open Simulator Selection GUI
+            } else {
+                SWAnvilInv anvilInv = new SWAnvilInv(player, "Name");
+                anvilInv.setCallback(s -> {
+                    // TODO: Check if Sim exists then close and message, otherwise create sim and add first tnt open that!
+                });
+                anvilInv.open();
+            }
+            return;
+        }
+
+        if (rayTraceResult == null) {
+            new SimulatorGui(player, simulator).open();
+            return;
+        }
+
+        if (rayTraceResult.getHitEntity() != null) {
+            REntity hitEntity = rayTraceResult.getHitEntity();
+            Vector vector = new Vector(hitEntity.getX(), hitEntity.getY(), hitEntity.getZ());
+            List<SimulatorElement<?>> elements = simulator.getElements().stream().map(SimulatorGroup::getElements).flatMap(List::stream).filter(element -> {
+                return element.getWorldPos().distanceSquared(vector) < (1 / 16.0) * (1 / 16.0);
+            }).collect(Collectors.toList());
+
+            switch (elements.size()) {
+                case 0:
+                    return;
+                case 1:
+                    // Open single element present in Simulator
+                    SimulatorElement<?> element = elements.get(0);
+                    SimulatorGroup group1 = element.getGroup(simulator);
+                    SimulatorBaseGui back = new SimulatorGui(player, simulator);
+                    if (group1.getElements().size() > 1) {
+                        back = new SimulatorGroupGui(player, simulator, group1, back);
+                    }
+                    element.open(player, simulator, group1, back);
+                    break;
+                default:
+                    // Open multi element present in Simulator
+                    SimulatorGroup group2 = new SimulatorGroup();
+                    group2.setMaterial(null);
+                    group2.getElements().addAll(elements);
+                    SimulatorGui simulatorGui = new SimulatorGui(player, simulator);
+                    new SimulatorGroupGui(player, simulator, group2, simulatorGui).open();
+                    break;
+            }
+            return;
+        }
+
+        // Add new Element to current simulator
+        CursorType type = cursorType.getOrDefault(player, CursorType.TNT);
+        Vector vector = type.position.apply(player, rayTraceResult);
+        if (type == CursorType.REDSTONE_BLOCK) {
+            vector.subtract(new Vector(0.5, 0, 0.5));
+        }
+        SimulatorElement<?> element = type.elementFunction.apply(vector);
+        SimulatorGroup group = new SimulatorGroup().add(element);
+        simulator.getElements().add(group);
+        SimulatorGui simulatorGui = new SimulatorGui(player, simulator);
+        element.open(player, simulator, group, simulatorGui);
+        SimulatorWatcher.update(simulator);
+        calcCursor(player);
+    }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/SimulatorTestCommand.java

@@ -60,14 +60,4 @@ public class SimulatorTestCommand extends SWCommand {
     public void runCommand(Player player) {
         SimulatorExecutor.run(SIMULATOR);
     }
-
-    @Register("show")
-    public void showCommand(Player player) {
-        SimulatorWatcher.show(SIMULATOR, player);
-    }
-
-    @Register("hide")
-    public void hideCommand(Player player) {
-        SimulatorWatcher.hide(SIMULATOR, player);
-    }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/SimulatorWatcher.java

@@ -76,11 +76,14 @@ public class SimulatorWatcher {
         @EventHandler
         public void onPlayerQuit(PlayerQuitEvent event) {
             watchers.remove(event.getPlayer());
-            hide(event.getPlayer());
+            show(null, event.getPlayer());
         }
     }
 
     private REntityServer createSim(REntityServer server, Simulator simulator) {
+        if (simulator == null) {
+            return null;
+        }
         Map<Vector, Set<Class<?>>> positionCache = new HashMap<>();
         simulator.getElements().stream().map(SimulatorGroup::getElements).flatMap(List::stream).forEach(simulatorElement -> {
             boolean wasNotPresent = positionCache.computeIfAbsent(simulatorElement.getPosition(), __ -> new HashSet<>())
@@ -95,23 +98,16 @@ public class SimulatorWatcher {
     }
 
     public void show(Simulator sim, Player player) {
+        entityServers.forEach((simulator, rEntityServer) -> {
+            if (rEntityServer == null) return;
+            if (rEntityServer.getPlayers().contains(player) && sim != simulator) {
+                rEntityServer.removePlayer(player);
+            }
+        });
+        if (sim == null) return;
         entityServers.computeIfAbsent(sim, __ -> createSim(new REntityServer(), sim)).addPlayer(player);
     }
 
-    public void hide(Player player) {
-        entityServers.replaceAll((simulator, rEntityServer) -> {
-            rEntityServer.removePlayer(player);
-            return rEntityServer.getPlayers().isEmpty() ? null : rEntityServer;
-        });
-    }
-
-    public void hide(Simulator sim, Player player) {
-        entityServers.computeIfPresent(sim, (simulator, rEntityServer) -> {
-            rEntityServer.removePlayer(player);
-            return rEntityServer.getPlayers().isEmpty() ? null : rEntityServer;
-        });
-    }
-
     List<REntity> getEntitiesOfSimulator(Simulator simulator) {
         REntityServer entityServer = entityServers.get(simulator);
         if (entityServer == null) {

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/data/SimulatorElement.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.simulator2.data;
 
 import de.steamwar.bausystem.features.simulator2.execute.SimulatorAction;
+import de.steamwar.bausystem.features.simulator2.gui.base.SimulatorBaseGui;
 import de.steamwar.inventory.InvCallback;
 import de.steamwar.inventory.SWItem;
 import lombok.Getter;
@@ -103,4 +104,13 @@ public abstract class SimulatorElement<T extends SimulatorPhase> {
             phase.toSimulatorActions(actions, position.clone());
         });
     }
+
+    public abstract void open(Player player, Simulator simulator, SimulatorGroup group, SimulatorBaseGui back);
+
+    public SimulatorGroup getGroup(Simulator simulator) {
+        return simulator.getElements().stream()
+                .filter(simulatorGroup -> simulatorGroup.getElements().contains(this))
+                .findFirst()
+                .orElse(null);
+    }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/data/SimulatorGroup.java

@@ -78,7 +78,7 @@ public class SimulatorGroup {
                 lore.add("");
                 lore.add("§cDisabled");
             }
-            return new SWItem(material, "§eGroup", lore, disabled, groupCallback);
+            return new SWItem(material != null ? material : Material.ENDER_CHEST, "§eGroup", lore, disabled, groupCallback);
         }
     }
 

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/data/SimulatorPhase.java

@@ -34,7 +34,7 @@ public abstract class SimulatorPhase {
 
     protected int tickOffset = 0;
     protected int lifetime = 80;
-    protected int order = 1;
+    protected int order = 0;
 
     public abstract void toSimulatorActions(Map<Integer, List<SimulatorAction>> actions, Vector position);
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/data/redstone/RedstoneElement.java

@@ -19,8 +19,13 @@
 
 package de.steamwar.bausystem.features.simulator2.data.redstone;
 
+import de.steamwar.bausystem.features.simulator2.data.Simulator;
 import de.steamwar.bausystem.features.simulator2.data.SimulatorElement;
+import de.steamwar.bausystem.features.simulator2.data.SimulatorGroup;
+import de.steamwar.bausystem.features.simulator2.gui.SimulatorRedstoneGui;
+import de.steamwar.bausystem.features.simulator2.gui.base.SimulatorBaseGui;
 import org.bukkit.Material;
+import org.bukkit.entity.Player;
 import org.bukkit.util.Vector;
 
 public class RedstoneElement extends SimulatorElement<RedstonePhase> {
@@ -43,4 +48,9 @@ public class RedstoneElement extends SimulatorElement<RedstonePhase> {
     public Vector getWorldPos() {
         return position.clone().add(new Vector(0.5, 0, 0.5));
     }
+
+    @Override
+    public void open(Player player, Simulator simulator, SimulatorGroup group, SimulatorBaseGui back) {
+        new SimulatorRedstoneGui(player, simulator, group, this, back).open();
+    }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/data/redstone/RedstonePhase.java

@@ -51,12 +51,17 @@ public class RedstonePhase extends SimulatorPhase {
                 .add(new SimulatorAction(0, 1) {
                     @Override
                     public void accept(World world) {
+                        // TODO: 0 Tick Pistons not working
                         Block block = world.getBlockAt(position.getBlockX(), position.getBlockY(), position.getBlockZ());
                         previousBlockState.set(block.getState());
                         block.setType(Material.REDSTONE_BLOCK);
+                        previousBlockState.get().update(true, true);
                     }
                 });
 
+        if (lifetime == 0) {
+            return;
+        }
         actions.computeIfAbsent(tickOffset + lifetime, __ -> new ArrayList<>())
                 .add(new SimulatorAction(0, 1) {
                     @Override

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/data/tnt/TNTElement.java

@@ -19,7 +19,11 @@
 
 package de.steamwar.bausystem.features.simulator2.data.tnt;
 
+import de.steamwar.bausystem.features.simulator2.data.Simulator;
 import de.steamwar.bausystem.features.simulator2.data.SimulatorElement;
+import de.steamwar.bausystem.features.simulator2.data.SimulatorGroup;
+import de.steamwar.bausystem.features.simulator2.gui.SimulatorTNTGui;
+import de.steamwar.bausystem.features.simulator2.gui.base.SimulatorBaseGui;
 import de.steamwar.inventory.InvCallback;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
@@ -77,4 +81,9 @@ public class TNTElement extends SimulatorElement<TNTPhase> {
     public Material getWorldMaterial() {
         return Material.TNT;
     }
+
+    @Override
+    public void open(Player player, Simulator simulator, SimulatorGroup group, SimulatorBaseGui back) {
+        new SimulatorTNTGui(player, simulator, this, group, back).open();
+    }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/gui/SimulatorGroupGui.java

@@ -49,7 +49,9 @@ public class SimulatorGroupGui extends SimulatorPageGui<SimulatorElement<?>> {
 
     @Override
     public void headerAndFooter() {
-        simulatorGroup.getElements().removeIf(element -> element.getPhases().isEmpty());
+        if (simulatorGroup.getElements().removeIf(element -> element.getPhases().isEmpty())) {
+            SimulatorWatcher.update(simulator);
+        }
         if (simulatorGroup.getElements().size() < 2) {
             back.open();
             return;
@@ -62,27 +64,26 @@ public class SimulatorGroupGui extends SimulatorPageGui<SimulatorElement<?>> {
         }));
 
         inventory.setItem(4, simulatorGroup.toItem(player, clickType -> {
+            if (simulatorGroup.getMaterial() == null) return;
             new SimulatorMaterialGui(player, simulator, simulatorGroup::getMaterial, simulatorGroup::setMaterial, this).open();
         }, clickType -> {
         }));
 
-        inventory.setItem(48, new SWItem(Material.REPEATER, "§eSettings", clickType -> {
+        inventory.setItem(simulatorGroup.getMaterial() != null ? 48 : 49, new SWItem(Material.REPEATER, "§eSettings", clickType -> {
             new SimulatorGroupSettingsGui(player, simulator, simulatorGroup, this).open();
         }));
+        if (simulatorGroup.getMaterial() != null) {
             inventory.setItem(50, new SWItem(simulatorGroup.isDisabled() ? Material.ENDER_PEARL : Material.ENDER_EYE, simulatorGroup.isDisabled() ? "§cDisabled" : "§aEnabled", clickType -> {
                 simulatorGroup.setDisabled(!simulatorGroup.isDisabled());
                 SimulatorWatcher.update(simulator);
             }));
         }
+    }
 
     @Override
     public SWItem convert(SimulatorElement<?> element) {
         return element.toItem(player, clickType -> {
-            if (element instanceof TNTElement) {
+            element.open(player, simulator, simulatorGroup, this);
-                new SimulatorTNTGui(player, simulator, (TNTElement) element, simulatorGroup, this).open();
-            } else if (element instanceof RedstoneElement) {
-                new SimulatorRedstoneGui(player, simulator, simulatorGroup, (RedstoneElement) element, this).open();
-            }
         });
     }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/gui/SimulatorGroupSettingsGui.java

@@ -59,6 +59,7 @@ public class SimulatorGroupSettingsGui extends SimulatorBaseGui {
 
         // Material Chooser
         inventory.setItem(4, simulatorGroup.toItem(player, clickType -> {
+            if (simulatorGroup.getMaterial() == null) return;
             new SimulatorMaterialGui(player, simulator, simulatorGroup::getMaterial, simulatorGroup::setMaterial, this).open();
         }, clickType -> {}));
 

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/gui/SimulatorGui.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.bausystem.features.simulator2.gui;
 
+import de.steamwar.bausystem.features.simulator2.SimulatorWatcher;
 import de.steamwar.bausystem.features.simulator2.data.Simulator;
 import de.steamwar.bausystem.features.simulator2.data.SimulatorElement;
 import de.steamwar.bausystem.features.simulator2.data.SimulatorGroup;
@@ -42,7 +43,9 @@ public class SimulatorGui extends SimulatorPageGui<SimulatorGroup> {
 
     @Override
     public void headerAndFooter() {
-        simulator.getElements().removeIf(element -> element.getElements().isEmpty() || element.getElements().stream().allMatch(simulatorElement -> simulatorElement.getPhases().isEmpty()));
+        if (simulator.getElements().removeIf(element -> element.getElements().isEmpty() || element.getElements().stream().allMatch(simulatorElement -> simulatorElement.getPhases().isEmpty()))) {
+            SimulatorWatcher.update(simulator);
+        }
 
         inventory.setItem(4, simulator.toItem(player, clickType -> {
             new SimulatorMaterialGui(player, simulator, simulator::getMaterial, simulator::setMaterial, this).open();
@@ -58,11 +61,7 @@ public class SimulatorGui extends SimulatorPageGui<SimulatorGroup> {
             new SimulatorGroupGui(player, simulator, simulatorGroup, this).open();
         }, clickType -> {
             SimulatorElement<?> element = simulatorGroup.getElements().get(0);
-            if (element instanceof TNTElement) {
+            element.open(player, simulator, simulatorGroup, this);
-                new SimulatorTNTGui(player, simulator, (TNTElement) element, simulatorGroup, this).open();
-            } else if (element instanceof RedstoneElement) {
-                new SimulatorRedstoneGui(player, simulator, simulatorGroup, (RedstoneElement) element, this).open();
-            }
         });
     }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/gui/SimulatorRedstoneGui.java

@@ -55,6 +55,7 @@ public class SimulatorRedstoneGui extends SimulatorScrollGui<RedstonePhase> {
     public void headerAndFooter() {
         if (redstone.getPhases().isEmpty()) {
             back.open();
+            SimulatorWatcher.update(simulator);
             return;
         }
 
@@ -65,10 +66,7 @@ public class SimulatorRedstoneGui extends SimulatorScrollGui<RedstonePhase> {
             if (parent.getElements().contains(redstone)) {
                 back.open();
             } else {
-                SimulatorGroup newParent = simulator.getElements().stream()
+                SimulatorGroup newParent = redstone.getGroup(simulator);
-                        .filter(simulatorGroup -> simulatorGroup.getElements().contains(redstone))
-                        .findFirst()
-                        .orElse(null);
                 if (newParent == null) {
                     player.closeInventory();
                     return;

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/gui/SimulatorTNTGui.java

@@ -55,6 +55,7 @@ public class SimulatorTNTGui extends SimulatorScrollGui<TNTPhase> {
     public void headerAndFooter() {
         if (tnt.getPhases().isEmpty()) {
             back.open();
+            SimulatorWatcher.update(simulator);
             return;
         }
 
@@ -65,10 +66,7 @@ public class SimulatorTNTGui extends SimulatorScrollGui<TNTPhase> {
             if (parent.getElements().contains(tnt)) {
                 back.open();
             } else {
-                SimulatorGroup newParent = simulator.getElements().stream()
+                SimulatorGroup newParent = tnt.getGroup(simulator);
-                        .filter(simulatorGroup -> simulatorGroup.getElements().contains(tnt))
-                        .findFirst()
-                        .orElse(null);
                 if (newParent == null) {
                     player.closeInventory();
                     return;

BauSystem_Main/src/de/steamwar/bausystem/features/simulator2/gui/SimulatorTNTPhaseSettingsGui.java

@@ -25,6 +25,7 @@ import de.steamwar.bausystem.features.simulator2.data.SimulatorPhase;
 import de.steamwar.bausystem.features.simulator2.data.tnt.TNTElement;
 import de.steamwar.bausystem.features.simulator2.data.tnt.TNTPhase;
 import de.steamwar.bausystem.features.simulator2.gui.base.SimulatorBaseGui;
+import de.steamwar.core.Core;
 import de.steamwar.inventory.SWItem;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
@@ -130,9 +131,10 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
             SimulatorWatcher.update(simulator);
         });
 
-        SWItem orderItem = new SWItem(Material.COMPASS, "§eCalculation Order§8:§7 " + order, clickType -> {
+        Material negativeNumbers = Material.getMaterial(Core.getVersion() >= 19 ? "RECOVERY_COMPASS" : "FIREWORK_STAR");
+        SWItem orderItem = new SWItem(order >= 0 ? Material.COMPASS : negativeNumbers, "§eCalculation Order§8:§7 " + order, clickType -> {
         });
-        orderItem.getItemStack().setAmount(Math.max(1, Math.min(order, 30)));
+        orderItem.getItemStack().setAmount(Math.max(1, Math.min(Math.abs(order), 30)));
         inventory.setItem(22, orderItem);
 
         inventory.setItem(31, SWItem.getDye(order > -SimulatorPhase.ORDER_LIMIT ? 1 : 8), "§e-1", Arrays.asList("§7Shift§8: §e-5"), false, clickType -> {