Add basic Simulator Preview

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_15/src/de/steamwar/bausystem/features/simulator/Simulator15.java

@@ -1,23 +0,0 @@
-/*
- * This file is a part of the SteamWar software.
- *
- * Copyright (C) 2023  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.features.simulator;
-
-public class Simulator15 implements Simulator {
-}

BauSystem_15/src/de/steamwar/bausystem/features/simulator/preview/Simulator15.java

@@ -0,0 +1,35 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  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.features.simulator.preview;
+
+import de.steamwar.bausystem.features.simulator.TNTData;
+import de.steamwar.bausystem.features.simulator.preview.Simulator;
+import de.steamwar.bausystem.shared.Pair;
+
+import java.util.List;
+import java.util.Map;
+
+public class Simulator15 implements Simulator {
+
+    @Override
+    public PreviewRecord run(Pair<Integer, Map<Integer, List<List<Pair<TNTData, Integer>>>>> toCalculate) {
+        return null;
+    }
+}

BauSystem_19/src/de/steamwar/bausystem/features/simulator/preview/AxisMovementLimiter.java

@@ -1,23 +1,23 @@
 /*
- * This file is a part of the SteamWar software.
+ *   This file is a part of the SteamWar software.
  *
- * Copyright (C) 2023  SteamWar.de-Serverteam
+ *   Copyright (C) 2023  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 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.
+ *   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/>.
+ *   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.features.simulator;
+package de.steamwar.bausystem.features.simulator.preview;
 
 import org.bukkit.Axis;
 import org.bukkit.util.BoundingBox;

BauSystem_19/src/de/steamwar/bausystem/features/simulator/preview/Explosion.java

@@ -1,28 +1,26 @@
 /*
- * This file is a part of the SteamWar software.
+ *   This file is a part of the SteamWar software.
  *
- * Copyright (C) 2023  SteamWar.de-Serverteam
+ *   Copyright (C) 2023  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 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.
+ *   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/>.
+ *   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.features.simulator;
+package de.steamwar.bausystem.features.simulator.preview;
 
 import org.bukkit.Material;
-import org.bukkit.block.data.BlockData;
 import org.bukkit.block.data.Waterlogged;
-import org.bukkit.util.Vector;
 
 import java.util.*;
 

BauSystem_19/src/de/steamwar/bausystem/features/simulator/preview/OptimizedAxisMovementLimiter.java

@@ -17,7 +17,7 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.bausystem.features.simulator;
+package de.steamwar.bausystem.features.simulator.preview;
 
 import org.bukkit.Axis;
 import org.bukkit.util.BoundingBox;

BauSystem_19/src/de/steamwar/bausystem/features/simulator/preview/Pos.java

@@ -17,7 +17,7 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.bausystem.features.simulator;
+package de.steamwar.bausystem.features.simulator.preview;
 
 import lombok.Data;
 

BauSystem_19/src/de/steamwar/bausystem/features/simulator/preview/Simulator19.java

@@ -1,33 +1,35 @@
 /*
- * This file is a part of the SteamWar software.
+ *   This file is a part of the SteamWar software.
  *
- * Copyright (C) 2023  SteamWar.de-Serverteam
+ *   Copyright (C) 2023  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 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.
+ *   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/>.
+ *   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.features.simulator;
+package de.steamwar.bausystem.features.simulator.preview;
 
+import de.steamwar.bausystem.features.simulator.TNTData;
+import de.steamwar.bausystem.shared.Pair;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.util.BoundingBox;
-import org.bukkit.util.Vector;
 import org.bukkit.util.VoxelShape;
 
 import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 public class Simulator19 implements Simulator {
 
@@ -55,18 +57,42 @@ public class Simulator19 implements Simulator {
     private static final Map<Pos, VoxelShape> COLLISION_DATA_MAP = new HashMap<>();
 
     @Override
-    public synchronized void run() {
+    public synchronized PreviewRecord run(Pair<Integer, Map<Integer, List<List<Pair<TNTData, Integer>>>>> toCalculate) {
+        PreviewRecord previewRecord = new PreviewRecord();
         List<TNT> tntList = new ArrayList<>();
-        for (int i = 0; i < 400; i++) {
-            tntList.add(new TNT(0, 120, 0));
-        }
+        int currentTick = 0;
+
         long time = System.currentTimeMillis();
-        while (!tntList.isEmpty()) {
+        while (!tntList.isEmpty() || currentTick <= toCalculate.getKey()) {
+            List<List<Pair<TNTData, Integer>>> toSpawnInTick = toCalculate.getValue().get(currentTick);
+            if (toSpawnInTick != null) {
+                toSpawnInTick.forEach(pairs -> {
+                    AtomicBoolean hasSomeLeft = new AtomicBoolean(true);
+                    while(hasSomeLeft.get()) {
+                        hasSomeLeft.set(false);
+                        pairs.forEach(pair -> {
+                            if (pair.getValue() > 0) {
+                                hasSomeLeft.set(true);
+                                TNT tnt = new TNT(pair.getKey().location.getX(), pair.getKey().location.getY(), pair.getKey().location.getZ());
+                                if (!pair.getKey().xVelocity) tnt.setVx(0.0);
+                                if (!pair.getKey().yVelocity) tnt.setVy(0.0);
+                                if (!pair.getKey().zVelocity) tnt.setVz(0.0);
+                                tnt.setFuse(tnt.getFuse());
+                                tntList.add(tnt);
+                                pair.setValue(pair.getValue() - 1);
+                            }
+                        });
+                    }
+                });
+            }
+            currentTick++;
+
             List<TNT> remove = new ArrayList<>();
             for (TNT tnt : tntList) {
                 if (tnt.tick()) {
                     remove.add(tnt);
                 }
+                previewRecord.add(tnt.getX(), tnt.getY(), tnt.getZ());
             }
             tntList.removeAll(remove);
         }
@@ -79,6 +105,7 @@ public class Simulator19 implements Simulator {
         accessed = 0;
         cacheMisses = 0;
         aired = 0;
+        return previewRecord;
     }
 
     public static Material getBlockType(int x, int y, int z) { // Get BlockType of Chunk Data array?

BauSystem_19/src/de/steamwar/bausystem/features/simulator/preview/TNT.java

@@ -1,23 +1,23 @@
 /*
- * This file is a part of the SteamWar software.
+ *   This file is a part of the SteamWar software.
  *
- * Copyright (C) 2023  SteamWar.de-Serverteam
+ *   Copyright (C) 2023  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 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.
+ *   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/>.
+ *   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.features.simulator;
+package de.steamwar.bausystem.features.simulator.preview;
 
 import lombok.Getter;
 import lombok.Setter;

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

@@ -1,30 +0,0 @@
-/*
- * This file is a part of the SteamWar software.
- *
- * Copyright (C) 2023  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.features.simulator;
-
-import de.steamwar.bausystem.BauSystem;
-import de.steamwar.core.VersionDependent;
-
-public interface Simulator {
-    Simulator impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
-
-    default void run() {
-    }
-}

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

@@ -0,0 +1,32 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  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.features.simulator;
+
+import lombok.RequiredArgsConstructor;
+import org.bukkit.Location;
+
+@RequiredArgsConstructor
+public class TNTData {
+    public final Location location;
+    public final int fuse;
+    public final boolean xVelocity;
+    public final boolean yVelocity;
+    public final boolean zVelocity;
+}

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

@@ -37,6 +37,7 @@ import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
+import org.bukkit.entity.TNTPrimed;
 import yapion.hierarchy.types.YAPIONArray;
 import yapion.hierarchy.types.YAPIONObject;
 import yapion.hierarchy.types.YAPIONType;
@@ -204,14 +205,37 @@ public class TNTSimulator {
         TNTElementGUI.open(player, tntElement, null);
     }
 
+    public Pair<Integer, Map<Integer, List<List<Pair<TNTData, Integer>>>>> locations(Player p) {
+        Region region = Region.getRegion(p.getLocation());
+        Map<Integer, Map<Integer, Set<Pair<TNTData, Integer>>>> result = new HashMap<>();
+        for (SimulatorElement element : tntElementList) {
+            if (element.locations(result, region, p.getLocation())) {
+                return null;
+            }
+        }
+
+        AtomicInteger maxTick = new AtomicInteger(0);
+        Map<Integer, List<List<Pair<TNTData, Integer>>>> toSpawn = new HashMap<>();
+        result.forEach((integer, integerSetMap) -> {
+            List<Pair<Integer, Set<Pair<TNTData, Integer>>>> internal = new ArrayList<>();
+            integerSetMap.forEach((integer1, pairs) -> {
+                internal.add(new Pair<>(integer1, pairs));
+            });
+            internal.sort(Comparator.comparingInt(Pair::getKey));
+
+            toSpawn.put(integer, internal.stream().map(Pair::getValue).map(ArrayList::new).peek(Collections::shuffle).collect(Collectors.toList()));
+
+            if (maxTick.get() < integer) {
+                maxTick.set(integer);
+            }
+        });
+        return new Pair<>(maxTick.get(), toSpawn);
+    }
+
     public void start(Player p) {
         Region region = Region.getRegion(p.getLocation());
-        Map<Integer, Map<Integer, Set<Pair<Runnable, Integer>>>> result = new HashMap<>();
-        boolean regionFrozen = false;
-        for (SimulatorElement element : tntElementList) {
-            regionFrozen |= element.locations(result, region, p.getLocation());
-        }
-        if (regionFrozen) {
+        Pair<Integer, Map<Integer, List<List<Pair<TNTData, Integer>>>>> result = locations(p);
+        if (result == null) {
             BauSystem.MESSAGE.send("SIMULATOR_REGION_FROZEN", p);
             return;
         }
@@ -228,29 +252,13 @@ public class TNTSimulator {
             Recorder.INSTANCE.set(region, new SingleTraceRecorder(region));
         }
 
-        AtomicInteger maxTick = new AtomicInteger(0);
-        Map<Integer, List<List<Pair<Runnable, Integer>>>> toSpawn = new HashMap<>();
-        result.forEach((integer, integerSetMap) -> {
-            List<Pair<Integer, Set<Pair<Runnable, Integer>>>> internal = new ArrayList<>();
-            integerSetMap.forEach((integer1, pairs) -> {
-                internal.add(new Pair<>(integer1, pairs));
-            });
-            internal.sort(Comparator.comparingInt(Pair::getKey));
-
-            toSpawn.put(integer, internal.stream().map(Pair::getValue).map(ArrayList::new).peek(Collections::shuffle).collect(Collectors.toList()));
-
-            if (maxTick.get() < integer) {
-                maxTick.set(integer);
-            }
-        });
-
         AtomicInteger currentTick = new AtomicInteger(0);
         BauSystem.runTaskTimer(BauSystem.getInstance(), bukkitTask -> {
             int tick = currentTick.get();
-            if (tick > maxTick.get()) bukkitTask.cancel();
+            if (tick > result.getKey()) bukkitTask.cancel();
             currentTick.incrementAndGet();
 
-            List<List<Pair<Runnable, Integer>>> toSpawnInTick = toSpawn.get(tick);
+            List<List<Pair<TNTData, Integer>>> toSpawnInTick = result.getValue().get(tick);
             if (toSpawnInTick == null) return;
             toSpawnInTick.forEach(pairs -> {
                 AtomicBoolean hasSomeLeft = new AtomicBoolean(true);
@@ -259,7 +267,7 @@ public class TNTSimulator {
                     pairs.forEach(pair -> {
                         if (pair.getValue() > 0) {
                             hasSomeLeft.set(true);
-                            pair.getKey().run();
+                            spawn(pair.getKey());
                             pair.setValue(pair.getValue() - 1);
                         }
                     });
@@ -267,4 +275,13 @@ public class TNTSimulator {
             });
         }, 1, 1);
     }
+
+    private void spawn(TNTData tntData) {
+        SimulatorStorage.WORLD.spawn(tntData.location, TNTPrimed.class, tntPrimed -> {
+            tntPrimed.setFuseTicks(tntData.fuse);
+            if (!tntData.xVelocity) tntPrimed.setVelocity(tntPrimed.getVelocity().setX(0));
+            if (!tntData.yVelocity) tntPrimed.setVelocity(tntPrimed.getVelocity().setY(0));
+            if (!tntData.zVelocity) tntPrimed.setVelocity(tntPrimed.getVelocity().setZ(0));
+        });
+    }
 }

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

@@ -22,6 +22,9 @@ package de.steamwar.bausystem.features.simulator;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.Permission;
 import de.steamwar.bausystem.features.simulator.gui.SimulatorSelectionGUI;
+import de.steamwar.bausystem.features.simulator.preview.PreviewRecord;
+import de.steamwar.bausystem.features.simulator.preview.Simulator;
+import de.steamwar.bausystem.shared.Pair;
 import de.steamwar.bausystem.utils.ItemUtils;
 import de.steamwar.bausystem.utils.RayTraceUtils;
 import de.steamwar.linkage.Linked;
@@ -33,6 +36,8 @@ import org.bukkit.event.player.*;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
 
+import java.util.List;
+import java.util.Map;
 import java.util.function.Function;
 
 @Linked
@@ -95,6 +100,25 @@ public class TNTSimulatorListener implements Listener {
         });
     }
 
+    @EventHandler
+    public void onPlayerSwapHandItems(PlayerSwapHandItemsEvent event) {
+        if (!ItemUtils.isItem(event.getOffHandItem(), "simulator")) {
+            return;
+        }
+        if (ItemUtils.isItem(event.getMainHandItem(), "simulator")) {
+            return;
+        }
+        if (!permissionCheck(event.getPlayer())) {
+            return;
+        }
+
+        TNTSimulator simulator = SimulatorStorage.getSimulator(event.getOffHandItem());
+        if (simulator == null) return;
+        Pair<Integer, Map<Integer, List<List<Pair<TNTData, Integer>>>>> toCalculate = simulator.locations(event.getPlayer());
+        PreviewRecord previewRecord = Simulator.impl.run(toCalculate);
+        previewRecord.add(event.getPlayer());
+    }
+
     @EventHandler
     public void onPlayerInteract(PlayerInteractEvent event) {
         if (!ItemUtils.isItem(event.getItem(), "simulator")) {

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

@@ -1,37 +0,0 @@
-/*
- * This file is a part of the SteamWar software.
- *
- * Copyright (C) 2023  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.features.simulator;
-
-import de.steamwar.command.SWCommand;
-import de.steamwar.linkage.Linked;
-import org.bukkit.entity.Player;
-
-@Linked
-public class TestCommand extends SWCommand {
-
-    public TestCommand() {
-        super("test");
-    }
-
-    @Register
-    public void genericCommand(Player player) {
-        Simulator.impl.run();
-    }
-}

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/preview/PreviewRecord.java

@@ -0,0 +1,53 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  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.features.simulator.preview;
+
+import de.steamwar.entity.REntityServer;
+import de.steamwar.entity.RFallingBlockEntity;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.util.Vector;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class PreviewRecord {
+
+    private Set<Vector> vectorList = new HashSet<>();
+    private REntityServer rEntityServer;
+
+    public void add(double x, double y, double z) {
+        vectorList.add(new Vector(x, y, z));
+    }
+
+    public void add(Player player) {
+        if (rEntityServer == null) {
+            rEntityServer = new REntityServer();
+
+            vectorList.forEach(vector -> {
+                RFallingBlockEntity entity = new RFallingBlockEntity(rEntityServer, vector.toLocation(player.getWorld()), Material.RED_STAINED_GLASS);
+                entity.setNoGravity(true);
+            });
+        }
+        rEntityServer.addPlayer(player);
+    }
+}

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/preview/Simulator.java

@@ -0,0 +1,34 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  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.features.simulator.preview;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.features.simulator.TNTData;
+import de.steamwar.bausystem.shared.Pair;
+import de.steamwar.core.VersionDependent;
+
+import java.util.List;
+import java.util.Map;
+
+public interface Simulator {
+    Simulator impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
+
+    PreviewRecord run(Pair<Integer, Map<Integer, List<List<Pair<TNTData, Integer>>>>> toCalculate);
+}

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/tnt/SimulatorElement.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.bausystem.features.simulator.tnt;
 
+import de.steamwar.bausystem.features.simulator.TNTData;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.shared.Pair;
 import de.steamwar.entity.REntity;
@@ -46,7 +47,7 @@ public interface SimulatorElement {
     void remove(TNTElement tntElement);
 
     SWItem menu(Player p);
-    boolean locations(Map<Integer, Map<Integer, Set<Pair<Runnable, Integer>>>> result, Region region, Location location); // Ticks to subtick order to spawning runnable to count of activations
+    boolean locations(Map<Integer, Map<Integer, Set<Pair<TNTData, Integer>>>> result, Region region, Location location); // Ticks to subtick order to spawning runnable to count of activations
     int tntCount();
     int tick();
 

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/tnt/TNTElement.java

@@ -22,6 +22,7 @@ package de.steamwar.bausystem.features.simulator.tnt;
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.simulator.OrderUtils;
 import de.steamwar.bausystem.features.simulator.SimulatorStorage;
+import de.steamwar.bausystem.features.simulator.TNTData;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.region.flags.flagvalues.FreezeMode;
@@ -189,7 +190,7 @@ public class TNTElement implements SimulatorElement {
     }
 
     @Override
-    public boolean locations(Map<Integer, Map<Integer, Set<Pair<Runnable, Integer>>>> result, Region region, Location radius) {
+    public boolean locations(Map<Integer, Map<Integer, Set<Pair<TNTData, Integer>>>> result, Region region, Location radius) {
         if (disabled) return false;
         Location location = getPosition().toLocation(SimulatorStorage.WORLD);
         if (region.isGlobal() && location.distanceSquared(radius) > 10000) {
@@ -205,14 +206,7 @@ public class TNTElement implements SimulatorElement {
 
         result.computeIfAbsent(getTickOffset(), ignore -> new HashMap<>())
                 .computeIfAbsent(OrderUtils.order(order), ignore -> new HashSet<>())
-                .add(new Pair<>(() -> {
-                    SimulatorStorage.WORLD.spawn(location, TNTPrimed.class, tntPrimed -> {
-                        tntPrimed.setFuseTicks(fuseTicks);
-                        if (!xVelocity) tntPrimed.setVelocity(tntPrimed.getVelocity().setX(0));
-                        if (!yVelocity) tntPrimed.setVelocity(tntPrimed.getVelocity().setY(0));
-                        if (!zVelocity) tntPrimed.setVelocity(tntPrimed.getVelocity().setZ(0));
-                    });
-                }, count));
+                .add(new Pair<>(new TNTData(location, fuseTicks, xVelocity, yVelocity, zVelocity), count));
         return false;
     }
 

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/tnt/TNTGroup.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.simulator.tnt;
 
 import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.features.simulator.TNTData;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.shared.Pair;
 import de.steamwar.entity.REntity;
@@ -140,7 +141,7 @@ public class TNTGroup implements SimulatorElement {
     }
 
     @Override
-    public boolean locations(Map<Integer, Map<Integer, Set<Pair<Runnable, Integer>>>> result, Region region, Location location) {
+    public boolean locations(Map<Integer, Map<Integer, Set<Pair<TNTData, Integer>>>> result, Region region, Location location) {
         if (disabled) return false;
         for (TNTElement element : elements) {
             if (element.locations(result, region, location)) {