Add basic sim preview for 1.19

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

BauSystem_19/src/de/steamwar/bausystem/features/simulator/FakeExplosion19.java

@@ -0,0 +1,165 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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 com.google.common.collect.Maps;
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import net.minecraft.core.BlockPosition;
+import net.minecraft.util.RandomSource;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.player.EntityHuman;
+import net.minecraft.world.level.Explosion;
+import net.minecraft.world.level.ExplosionDamageCalculator;
+import net.minecraft.world.level.World;
+import net.minecraft.world.level.gameevent.GameEvent;
+import net.minecraft.world.phys.Vec3D;
+import org.bukkit.craftbukkit.v1_19_R1.event.CraftEventFactory;
+
+import javax.annotation.Nullable;
+import java.util.List;
+import java.util.Map;
+
+public class FakeExplosion19 extends Explosion {
+
+    private List<FakeTNT19> fakeTNT19s;
+    private boolean c;
+    private Explosion.Effect d;
+    private RandomSource e;
+    private World f;
+    private double g;
+    private double h;
+    private double i;
+    @Nullable
+    public Entity j;
+    private float k;
+    private DamageSource l;
+    private ExplosionDamageCalculator m;
+    private ObjectArrayList<BlockPosition> n;
+    private Map<EntityHuman, Vec3D> o;
+    public boolean wasCanceled;
+
+    public FakeExplosion19(List<FakeTNT19> fakeTNT19s, World world, @Nullable Entity entity, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator behavior, double x, double y, double z, float power, boolean createFire, Explosion.Effect destructionType) {
+        super(world, entity, damageSource, behavior, x, y, z, power, createFire, destructionType);
+        this.fakeTNT19s = fakeTNT19s;
+        this.wasCanceled = false;
+        this.e = RandomSource.a();
+        this.n = new ObjectArrayList();
+        this.o = Maps.newHashMap();
+        this.f = world;
+        this.j = entity;
+        this.k = (float) Math.max((double) power, 0.0D);
+        this.g = x;
+        this.h = y;
+        this.i = z;
+        this.c = createFire;
+        this.d = destructionType;
+        this.l = damageSource == null ? DamageSource.a(this) : damageSource;
+        this.m = new ExplosionDamageCalculator();
+
+    }
+
+    private float getBlockDensity(Vec3D vec3d, Entity entity) {
+        return a(vec3d, entity);
+    }
+
+
+    @Override
+    public void a() {
+        if ((this.k) >= 0.1F) {
+            this.f.a(this.j, GameEvent.w, new Vec3D(this.g, this.h, this.i));
+            /*
+            Set<BlockPosition> set = Sets.newHashSet();
+
+            int i;
+            int j;
+            for (int k = 0; k < 16; ++k) {
+                for (i = 0; i < 16; ++i) {
+                    for (j = 0; j < 16; ++j) {
+                        if (k == 0 || k == 15 || i == 0 || i == 15 || j == 0 || j == 15) {
+                            double d0 = (double) ((float) k / 15.0F * 2.0F - 1.0F);
+                            double d1 = (double) ((float) i / 15.0F * 2.0F - 1.0F);
+                            double d2 = (double) ((float) j / 15.0F * 2.0F - 1.0F);
+                            double d3 = Math.sqrt(d0 * d0 + d1 * d1 + d2 * d2);
+                            d0 /= d3;
+                            d1 /= d3;
+                            d2 /= d3;
+                            float f = this.k * (0.7F + this.f.w.i() * 0.6F);
+                            double d4 = this.g;
+                            double d5 = this.h;
+                            double d6 = this.i;
+
+                            for (float var21 = 0.3F; f > 0.0F; f -= 0.22500001F) {
+                                BlockPosition blockposition = new BlockPosition(d4, d5, d6);
+                                IBlockData iblockdata = this.f.a_(blockposition);
+                                Fluid fluid = iblockdata.p();
+                                if (!this.f.j(blockposition)) {
+                                    break;
+                                }
+
+                                Optional<Float> optional = this.m.a(this, this.f, blockposition, iblockdata, fluid);
+                                if (optional.isPresent()) {
+                                    f -= ((Float) optional.get() + 0.3F) * 0.3F;
+                                }
+
+                                if (f > 0.0F && this.m.a(this, this.f, blockposition, iblockdata, f)) {
+                                    set.add(blockposition);
+                                }
+
+                                d4 += d0 * 0.30000001192092896D;
+                                d5 += d1 * 0.30000001192092896D;
+                                d6 += d2 * 0.30000001192092896D;
+                            }
+                        }
+                    }
+                }
+            }
+
+            this.n.addAll(set);
+             */
+
+            float f2 = this.k * 2.0F;
+            Vec3D vec3d = new Vec3D(this.g, this.h, this.i);
+            for (int l1 = 0; l1 < fakeTNT19s.size(); ++l1) {
+                Entity entity = (Entity) fakeTNT19s.get(l1);
+                if (!entity.cF()) {
+                    double d7 = Math.sqrt(entity.e(vec3d)) / (double) f2;
+                    if (d7 <= 1.0D) {
+                        double d8 = entity.dg() - this.g;
+                        double d9 = entity.di() - this.h;
+                        double d10 = entity.dm() - this.i;
+                        double d11 = Math.sqrt(d8 * d8 + d9 * d9 + d10 * d10);
+                        if (d11 != 0.0D) {
+                            d8 /= d11;
+                            d9 /= d11;
+                            d10 /= d11;
+                            double d12 = (double) this.getBlockDensity(vec3d, entity);
+
+                            double d13 = (1.0D - d7) * d12;
+                            entity.lastDamageCancelled = false;
+                            CraftEventFactory.entityDamage = null;
+                            entity.f(entity.de().b(d8 * d13, d9 * d13, d10 * d13));
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

BauSystem_19/src/de/steamwar/bausystem/features/simulator/FakeTNT19.java

@@ -0,0 +1,164 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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 net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.game.PacketPlayOutSpawnEntity;
+import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.network.syncher.DataWatcherObject;
+import net.minecraft.network.syncher.DataWatcherRegistry;
+import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.*;
+import net.minecraft.world.entity.item.EntityTNTPrimed;
+import net.minecraft.world.level.Explosion;
+import net.minecraft.world.level.ExplosionDamageCalculator;
+import net.minecraft.world.level.World;
+import org.bukkit.entity.Explosive;
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+
+import javax.annotation.Nullable;
+import java.util.List;
+
+public class FakeTNT19 extends EntityTNTPrimed {
+    private static final DataWatcherObject<Integer> b;
+    private static final int c = 80;
+    private List<FakeTNT19> fakeTNT19s;
+    @Nullable
+    public EntityLiving d;
+    public float yield;
+    public boolean isIncendiary;
+    public int offset = 0;
+
+    public FakeTNT19(List<FakeTNT19> fakeTNT19s, EntityTypes<? extends EntityTNTPrimed> type, World world) {
+        super(type, world);
+        this.fakeTNT19s = fakeTNT19s;
+        this.yield = 4.0F;
+        this.isIncendiary = false;
+        super.q = true;
+    }
+
+    public FakeTNT19(List<FakeTNT19> fakeTNT19s, World world, double x, double y, double z, int tickoffset) {
+        this(fakeTNT19s, EntityTypes.av, world);
+        this.e(x, y, z);
+        double d3 = world.w.j() * 6.2831854820251465D;
+        this.n(-Math.sin(d3) * 0.02D, 0.20000000298023224D, -Math.cos(d3) * 0.02D);
+        this.a(tickoffset);
+        super.t = x;
+        super.u = y;
+        super.v = z;
+        this.d = null;
+        this.offset = tickoffset;
+    }
+
+    protected void a_() {
+        super.Y.a(b, 80);
+    }
+
+    protected MovementEmission aO() {
+        return MovementEmission.a;
+    }
+
+    public boolean bl() {
+        return !this.du();
+    }
+
+    @Override
+    public void k() {
+        if (!this.aN()) {
+            this.f(this.de().b(0.0D, -0.04D, 0.0D));
+        }
+
+        this.a(EnumMoveType.a, this.de());
+        this.f(this.de().a(0.98D));
+        if (super.y) {
+            this.f(this.de().d(0.7D, -0.5D, 0.7D));
+        }
+
+        int i = this.i() - 1;
+        this.a(i);
+        if (i <= 0) {
+            if (!super.s.y) {
+                this.j1();
+            }
+
+            this.ah();
+        } else {
+            this.aZ();
+        }
+    }
+
+    private void j1() {
+        ExplosionPrimeEvent event = new ExplosionPrimeEvent((Explosive) this.getBukkitEntity());
+        super.s.getCraftServer().getPluginManager().callEvent(event);
+        if (!event.isCancelled()) {
+            this.a(this, this.dg(), this.e(0.0625D), this.dm(), event.getRadius(), event.getFire(), Explosion.Effect.b);
+        }
+    }
+
+    public FakeExplosion19 a(@Nullable Entity entity, double x, double y, double z, float power, boolean createFire, Explosion.Effect destructionType) {
+        return this.a(entity, (DamageSource) null, (ExplosionDamageCalculator) null, x, y, z, power, createFire, destructionType);
+    }
+
+    public FakeExplosion19 a(@Nullable Entity entity, @Nullable DamageSource damageSource, @Nullable ExplosionDamageCalculator behavior, double x, double y, double z, float power, boolean createFire, Explosion.Effect destructionType) {
+        FakeExplosion19 explosion = new FakeExplosion19(fakeTNT19s, SimulatorPreview19.WORLD, entity, damageSource, behavior, x, y, z, power, createFire, destructionType);
+        explosion.a();
+        //   explosion.a(true);
+        return explosion;
+    }
+
+
+    protected void b(NBTTagCompound nbt) {
+        nbt.a("Fuse", (short) this.i());
+    }
+
+    protected void a(NBTTagCompound nbt) {
+        this.a(nbt.g("Fuse"));
+    }
+
+    @Nullable
+    public EntityLiving h() {
+        return this.d;
+    }
+
+    protected float a(EntityPose pose, EntitySize dimensions) {
+        return 0.15F;
+    }
+
+    public void a(int fuse) {
+        super.Y.b(b, fuse);
+    }
+
+    public int i() {
+        return (Integer) super.Y.a(b);
+    }
+
+    public Packet<?> S() {
+        return new PacketPlayOutSpawnEntity(this);
+    }
+
+    public boolean cs() {
+        return super.cs();
+    }
+
+    static {
+        b = DataWatcher.a(EntityTNTPrimed.class, DataWatcherRegistry.b);
+    }
+}

BauSystem_19/src/de/steamwar/bausystem/features/simulator/SimulatorPreview19.java

@@ -0,0 +1,111 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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.features.simulator.tnt.SimulatorElement;
+import de.steamwar.bausystem.features.tracer.show.Record;
+import de.steamwar.bausystem.shared.Pair;
+import net.minecraft.world.level.World;
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.v1_19_R1.CraftWorld;
+import org.bukkit.entity.TNTPrimed;
+
+import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
+
+public class SimulatorPreview19 implements SimulatorPreview {
+
+    public static final World WORLD = ((CraftWorld) Bukkit.getWorlds().get(0)).getHandle();
+
+    @Override
+    public Record simulate(TNTSimulator tntSimulator) {
+        Map<Integer, Map<Integer, Set<Pair<SimulatorPreview.SimulatorPreviewTNTData, Integer>>>> result = new HashMap<>();
+        for (SimulatorElement element : tntSimulator.getTntElementList()) {
+            element.locations(result);
+        }
+
+        AtomicInteger maxTick = new AtomicInteger(0);
+        Map<Integer, List<List<Pair<SimulatorPreview.SimulatorPreviewTNTData, Integer>>>> toSpawn = new HashMap<>();
+        result.forEach((integer, integerSetMap) -> {
+            List<Pair<Integer, Set<Pair<SimulatorPreview.SimulatorPreviewTNTData, 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);
+            }
+        });
+
+        List<FakeTNT19> fakeTNT19s = new ArrayList<>();
+        Record record = new Record(false);
+        Map<FakeTNT19, Record.TNTRecord> tntRecords = new HashMap<>();
+
+        int maxTickToCalc = maxTick.get() + 160;
+        for (int tick = 0; tick < maxTickToCalc; tick++) {
+            List<List<Pair<SimulatorPreview.SimulatorPreviewTNTData, Integer>>> toSpawnInTick = toSpawn.get(tick);
+            try {
+                if (toSpawnInTick == null) continue;
+                toSpawnInTick.forEach(pairs -> {
+                    AtomicBoolean hasSomeLeft = new AtomicBoolean(true);
+                    while(hasSomeLeft.get()) {
+                        hasSomeLeft.set(false);
+                        pairs.forEach(pair -> {
+                            if (pair.getValue() > 0) {
+                                hasSomeLeft.set(true);
+                                SimulatorPreview.SimulatorPreviewTNTData previewTNTData = pair.getKey();
+                                FakeTNT19 fakeTNT19 = new FakeTNT19(fakeTNT19s, WORLD, previewTNTData.getX(), previewTNTData.getY(), previewTNTData.getZ(), previewTNTData.getFuseTicks());
+                                TNTPrimed tntPrimed = (TNTPrimed) fakeTNT19.getBukkitEntity();
+                                if (!previewTNTData.isXVelocity()) tntPrimed.setVelocity(tntPrimed.getVelocity().setX(0));
+                                if (!previewTNTData.isYVelocity()) tntPrimed.setVelocity(tntPrimed.getVelocity().setY(0));
+                                if (!previewTNTData.isZVelocity()) tntPrimed.setVelocity(tntPrimed.getVelocity().setZ(0));
+                                fakeTNT19s.add(fakeTNT19);
+                                pair.setValue(pair.getValue() - 1);
+                            }
+                        });
+                    }
+                });
+            } finally {
+                calculateTick(fakeTNT19s, record, tntRecords);
+            }
+        }
+        return record;
+    }
+
+    private void calculateTick(List<FakeTNT19> fakeTNT19s, Record record, Map<FakeTNT19, Record.TNTRecord> tntRecords) {
+        Iterator<FakeTNT19> iterator = fakeTNT19s.iterator();
+        while (iterator.hasNext()) {
+            FakeTNT19 fakeTNT19 = iterator.next();
+            fakeTNT19.k();
+            TNTPrimed tntPrimed = ((TNTPrimed) (fakeTNT19.getBukkitEntity()));
+            if (tntPrimed.getFuseTicks() <= 0) {
+                tntRecords.computeIfAbsent(fakeTNT19, ignore -> record.spawn()).explode(tntPrimed);
+                iterator.remove();
+            } else {
+                tntRecords.computeIfAbsent(fakeTNT19, ignore -> record.spawn()).explode(tntPrimed);
+            }
+        }
+    }
+}

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

@@ -0,0 +1,44 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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.bausystem.features.tracer.show.Record;
+import de.steamwar.core.VersionDependent;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+public interface SimulatorPreview {
+    SimulatorPreview impl = VersionDependent.getVersionImpl(BauSystem.getInstance());
+
+    @Data
+    @AllArgsConstructor
+    class SimulatorPreviewTNTData {
+        private double x;
+        private double y;
+        private double z;
+        private int fuseTicks;
+        private boolean xVelocity;
+        private boolean yVelocity;
+        private boolean zVelocity;
+    }
+
+    Record simulate(TNTSimulator tntSimulator);
+}

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

@@ -0,0 +1,71 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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.features.tracer.TNTPosition;
+import de.steamwar.bausystem.features.tracer.show.Record;
+import de.steamwar.bausystem.features.tracer.show.ShowModeParameter;
+import de.steamwar.bausystem.features.tracer.show.mode.TraceEntityShowMode;
+import de.steamwar.bausystem.shared.ShowMode;
+import lombok.experimental.UtilityClass;
+import org.bukkit.entity.Player;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+
+@UtilityClass
+public class SimulatorPreviewStorage {
+    private Map<TNTSimulator, Record> previews = new HashMap<>();
+    private Map<Player, ShowMode<TNTPosition>> showModes = new HashMap<>();
+
+    public void show(Player player, TNTSimulator tntSimulator) {
+        hide(player);
+
+        Record record = previews.computeIfAbsent(tntSimulator, SimulatorPreview.impl::simulate);
+        ShowModeParameter showModeParameter = new ShowModeParameter();
+        showModeParameter.setInterpolate_XZ(true);
+        showModeParameter.setInterpolate_Y(true);
+        TraceEntityShowMode showMode = new TraceEntityShowMode(player, showModeParameter);
+        record.showAll(showMode);
+        showModes.put(player, showMode);
+    }
+
+    public void hide(Player player) {
+        if (showModes.containsKey(player)) {
+            showModes.get(player).hide();
+            showModes.remove(player);
+        }
+    }
+
+    public void recalculate(TNTSimulator tntSimulator) {
+        previews.remove(tntSimulator);
+        new HashSet<>(showModes.keySet()).forEach(player -> {
+            TNTSimulator simulator = SimulatorStorage.getSimulator(player.getInventory().getItemInOffHand());
+            if (simulator == tntSimulator) {
+                show(player, simulator);
+            }
+        });
+    }
+
+    public void recalculateAll() {
+        new HashSet<>(previews.keySet()).forEach(SimulatorPreviewStorage::recalculate);
+    }
+}

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

@@ -22,9 +22,16 @@ 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.tracer.TNTPosition;
+import de.steamwar.bausystem.features.tracer.show.Record;
+import de.steamwar.bausystem.features.tracer.show.ShowModeParameter;
+import de.steamwar.bausystem.features.tracer.show.mode.TraceEntityShowMode;
 import de.steamwar.bausystem.linkage.LinkageType;
 import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.bausystem.shared.Pair;
+import de.steamwar.bausystem.shared.ShowMode;
 import de.steamwar.bausystem.utils.ItemUtils;
+import org.bukkit.Bukkit;
 import org.bukkit.FluidCollisionMode;
 import org.bukkit.GameMode;
 import org.bukkit.Location;
@@ -32,10 +39,9 @@ import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.player.PlayerDropItemEvent;
-import org.bukkit.event.player.PlayerInteractEvent;
-import org.bukkit.event.player.PlayerItemHeldEvent;
-import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.event.player.*;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
 import org.bukkit.util.BoundingBox;
@@ -124,6 +130,35 @@ public class TNTSimulatorListener implements Listener {
         SimulatorCursor.show(player, simulator, trace(player, location, simulator));
     }
 
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        SimulatorCursor.hide(event.getPlayer(), null);
+        SimulatorStorage.getSimulatorNames().forEach(s -> {
+            SimulatorStorage.getSimulator(s).remove(event.getPlayer());
+        });
+        SimulatorPreviewStorage.hide(event.getPlayer());
+    }
+
+    @EventHandler
+    public void onPlayerSwapHandItems(PlayerSwapHandItemsEvent event) {
+        TNTSimulator tntSimulator = SimulatorStorage.getSimulator(event.getOffHandItem());
+        if (tntSimulator == null) {
+            SimulatorPreviewStorage.hide(event.getPlayer());
+            return;
+        }
+        SimulatorPreviewStorage.show(event.getPlayer(), tntSimulator);
+    }
+
+    @EventHandler
+    public void onBlockPlace(BlockPlaceEvent event) {
+        SimulatorPreviewStorage.recalculateAll();
+    }
+
+    @EventHandler
+    public void onBlockBreak(BlockBreakEvent event) {
+        Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), SimulatorPreviewStorage::recalculateAll, 1);
+    }
+
     @EventHandler
     public void onPlayerInteract(PlayerInteractEvent event) {
         if (!ItemUtils.isItem(event.getItem(), "simulator")) {

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/TNTElementGUI.java

@@ -21,6 +21,7 @@ package de.steamwar.bausystem.features.simulator.gui;
 
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.simulator.OrderUtils;
+import de.steamwar.bausystem.features.simulator.SimulatorPreviewStorage;
 import de.steamwar.bausystem.features.simulator.SimulatorStorage;
 import de.steamwar.bausystem.features.simulator.TNTSimulator;
 import de.steamwar.bausystem.features.simulator.gui.components.ChangeMaterial;
@@ -60,6 +61,7 @@ public class TNTElementGUI {
             inv.setItem(36, new SWItem(Material.ARROW, BauSystem.MESSAGE.parse("SIMULATOR_BACK", player), clickType -> back.run()));
         }
 
+        TNTSimulator tntSimulator = SimulatorStorage.getSimulator(player);
         Runnable editObserver = () -> {
             List<String> locationLore = new ArrayList<>();
             locationLore.add("");
@@ -97,7 +99,10 @@ public class TNTElementGUI {
         };
         editObserver.run();
         tntElement.register(editObserver, player::closeInventory);
-        inv.addCloseRunnable(() -> tntElement.unregister(editObserver));
+        inv.addCloseRunnable(() -> {
+            tntElement.unregister(editObserver);
+            SimulatorPreviewStorage.recalculate(tntSimulator);
+        });
 
         inv.open();
     }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/TNTGroupEditGUI.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.simulator.gui;
 
 import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.features.simulator.SimulatorPreviewStorage;
 import de.steamwar.bausystem.features.simulator.SimulatorStorage;
 import de.steamwar.bausystem.features.simulator.TNTSimulator;
 import de.steamwar.bausystem.features.simulator.gui.components.ChangeMaterial;
@@ -59,9 +60,8 @@ public class TNTGroupEditGUI {
         List<String> minusOneFiveShiftLore = Arrays.asList(BauSystem.MESSAGE.parse("SIMULATOR_MINUS_FIVE_SHIFT", player));
         List<String> lore = Arrays.asList(BauSystem.MESSAGE.parse("SIMULATOR_TNT_SPAWN_LORE", player));
 
+        TNTSimulator tntSimulator = SimulatorStorage.getSimulator(player);
         Runnable editObserver = () -> {
-            TNTSimulator tntSimulator = SimulatorStorage.getSimulator(player);
-
             ChangePosition.show(inv, player, tntSimulator, tntGroup, tntGroup::getPosition, UnaryOperator.identity(), UnaryOperator.identity(), UnaryOperator.identity(), () -> open(player, tntGroup, back));
             ChangeMaterial.show(inv, player, 14, tntGroup, Material.BARREL, () -> open(player, tntGroup, back));
             Disabled.show(inv, player, 32, tntSimulator, tntGroup);
@@ -85,7 +85,10 @@ public class TNTGroupEditGUI {
         };
         editObserver.run();
         tntGroup.register(editObserver, player::closeInventory);
-        inv.addCloseRunnable(() -> tntGroup.unregister(editObserver));
+        inv.addCloseRunnable(() -> {
+            tntGroup.unregister(editObserver);
+            SimulatorPreviewStorage.recalculate(tntSimulator);
+        });
 
         inv.open();
     }

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/TNTSimulatorGui.java

@@ -21,6 +21,7 @@ package de.steamwar.bausystem.features.simulator.gui;
 
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.configplayer.Config;
+import de.steamwar.bausystem.features.simulator.SimulatorPreviewStorage;
 import de.steamwar.bausystem.features.simulator.SimulatorStorage;
 import de.steamwar.bausystem.features.simulator.TNTSimulator;
 import de.steamwar.bausystem.features.simulator.tnt.SimulatorElement;
@@ -110,7 +111,14 @@ public class TNTSimulatorGui {
             };
             editObserver.run();
             currentTntGroup.register(editObserver, player::closeInventory);
-            inv.addCloseRunnable(() -> currentTntGroup.unregister(editObserver));
+            inv.addCloseRunnable(() -> {
+                currentTntGroup.unregister(editObserver);
+                SimulatorPreviewStorage.recalculate(currentTntSimulator);
+            });
+        } else {
+            inv.addCloseCallback(clickType -> {
+                SimulatorPreviewStorage.recalculate(currentTntSimulator);
+            });
         }
 
         if (currentTntSimulator != null || currentTntGroup != null) {

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.SimulatorPreview;
 import de.steamwar.bausystem.features.simulator.show.SimulatorEntityShowMode;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.shared.Pair;
@@ -50,6 +51,7 @@ public interface SimulatorElement {
 
     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
+    void locations(Map<Integer, Map<Integer, Set<Pair<SimulatorPreview.SimulatorPreviewTNTData, Integer>>>> result);
     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.AbstractSimulatorEntity;
 import de.steamwar.bausystem.features.simulator.OrderUtils;
+import de.steamwar.bausystem.features.simulator.SimulatorPreview;
 import de.steamwar.bausystem.features.simulator.SimulatorStorage;
 import de.steamwar.bausystem.features.simulator.show.SimulatorEntityShowMode;
 import de.steamwar.bausystem.region.Region;
@@ -198,6 +199,17 @@ public class TNTElement implements SimulatorElement {
         return false;
     }
 
+    @Override
+    public void locations(Map<Integer, Map<Integer, Set<Pair<SimulatorPreview.SimulatorPreviewTNTData, Integer>>>> result) {
+        if (disabled) return;
+        Location location = getPosition().toLocation(SimulatorStorage.WORLD);
+        result.computeIfAbsent(getTickOffset(), ignore -> new HashMap<>())
+                .computeIfAbsent(OrderUtils.order(order), ignore -> new HashSet<>())
+                .add(new Pair<>(
+                        new SimulatorPreview.SimulatorPreviewTNTData(location.getX(), location.getY(), location.getZ(), fuseTicks, xVelocity, yVelocity, zVelocity),
+                        count));
+    }
+
     @Override
     public int tntCount() {
         return disabled ? 0 : count;

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.SimulatorPreview;
 import de.steamwar.bausystem.features.simulator.show.SimulatorEntityShowMode;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.shared.Pair;
@@ -151,6 +152,14 @@ public class TNTGroup implements SimulatorElement {
         return false;
     }
 
+    @Override
+    public void locations(Map<Integer, Map<Integer, Set<Pair<SimulatorPreview.SimulatorPreviewTNTData, Integer>>>> result) {
+        if (disabled) return;
+        for (TNTElement element : elements) {
+            element.locations(result);
+        }
+    }
+
     @Override
     public int tntCount() {
         if (disabled) return 0;

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/show/Record.java

@@ -23,6 +23,7 @@ import de.steamwar.bausystem.features.tpslimit.TPSUtils;
 import de.steamwar.bausystem.features.tracer.TNTPosition;
 import de.steamwar.bausystem.shared.ShowMode;
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 import org.bukkit.entity.TNTPrimed;
 import org.bukkit.util.Vector;
 
@@ -38,6 +39,8 @@ public class Record {
     private final long startTime = TPSUtils.currentTick.get();
     private final List<TNTRecord> tnt = new ArrayList<>();
 
+    private final boolean trace;
+
     public int size() {
         return tnt.size();
     }
@@ -49,11 +52,18 @@ public class Record {
 
     /* The following methods should only be called by a recorder */
     public Record() {
-        StoredRecords.add(this);
+        this(true);
+    }
+
+    public Record(boolean trace) {
+        if (trace) {
+            StoredRecords.add(this);
+        }
+        this.trace = trace;
     }
 
     public TNTRecord spawn() {
-        TNTRecord record = new TNTRecord();
+        TNTRecord record = new TNTRecord(trace);
         tnt.add(record);
         return record;
     }
@@ -74,10 +84,12 @@ public class Record {
     }
 
     @Getter
+    @RequiredArgsConstructor
     public static class TNTRecord {
 
         private final long id = idNumber++;
         private final List<TNTPosition> positions = new ArrayList<>(41);
+        private final boolean trace;
 
         public void showAll(ShowMode<TNTPosition> mode) {
             for (TNTPosition position : positions)
@@ -116,7 +128,9 @@ public class Record {
                 position = new TNTPosition(this, tntPrimed, positions.get(positions.size() - 1).getLocation(), tntPrimed.getVelocity(), velocitySupplier, exploded);
             }
             positions.add(position);
-            TraceShowManager.show(position);
+            if (trace) {
+                TraceShowManager.show(position);
+            }
         }
 
         public void explode(TNTPrimed tntPrimed) {