Prepare for 1.20.3 dev
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					 1514 changed files with 10 additions and 12 deletions
				
			
		
							
								
								
									
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								patches/unapplied/server/More-Teleport-API.patch
									
										
									
									
									
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								patches/unapplied/server/More-Teleport-API.patch
									
										
									
									
									
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Sun, 5 Sep 2021 12:15:59 -0400
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Subject: [PATCH] More Teleport API
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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             return false; // CraftBukkit - Return event status
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         }
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-        PlayerTeleportEvent event = new PlayerTeleportEvent(player, from.clone(), to.clone(), cause);
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+        // Paper start - Teleport API
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+        Set<io.papermc.paper.entity.TeleportFlag.Relative> relativeFlags = java.util.EnumSet.noneOf(io.papermc.paper.entity.TeleportFlag.Relative.class);
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+        for (RelativeMovement relativeArgument : set) {
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+            relativeFlags.add(org.bukkit.craftbukkit.entity.CraftPlayer.toApiRelativeFlag(relativeArgument));
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+        }
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+        PlayerTeleportEvent event = new PlayerTeleportEvent(player, from.clone(), to.clone(), cause, java.util.Set.copyOf(relativeFlags));
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+        // Paper end
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         this.cserver.getPluginManager().callEvent(event);
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         if (event.isCancelled() || !to.equals(event.getTo())) {
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-            set.clear(); // Can't relative teleport
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+            //set.clear(); // Can't relative teleport // Paper - Teleport API: Now you can!
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             to = event.isCancelled() ? event.getFrom() : event.getTo();
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             d0 = to.getX();
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             d1 = to.getY();
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -0,0 +0,0 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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     @Override
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     public boolean teleport(Location location, TeleportCause cause) {
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+        // Paper start - Teleport passenger API
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+        return teleport(location, cause, new io.papermc.paper.entity.TeleportFlag[0]);
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+    }
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+
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+    @Override
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+    public boolean teleport(Location location, TeleportCause cause, io.papermc.paper.entity.TeleportFlag... flags) {
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+        // Paper end
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         Preconditions.checkArgument(location != null, "location cannot be null");
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         location.checkFinite();
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+        // Paper start - Teleport passenger API
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+        Set<io.papermc.paper.entity.TeleportFlag> flagSet = Set.of(flags);
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+        boolean dismount = !flagSet.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_VEHICLE);
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+        boolean ignorePassengers = flagSet.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_PASSENGERS);
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+        // Don't allow teleporting between worlds while keeping passengers
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+        if (flagSet.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_PASSENGERS) && this.entity.isVehicle() && location.getWorld() != this.getWorld()) {
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+            return false;
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+        }
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+
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+        // Don't allow to teleport between worlds if remaining on vehicle
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+        if (!dismount && this.entity.isPassenger() && location.getWorld() != this.getWorld()) {
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+            return false;
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+        }
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+        // Paper end
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-        if (this.entity.isVehicle() || this.entity.isRemoved()) {
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+        if ((!ignorePassengers && this.entity.isVehicle()) || this.entity.isRemoved()) { // Paper - Teleport passenger API
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             return false;
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         }
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         // If this entity is riding another entity, we must dismount before teleporting.
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-        this.entity.stopRiding();
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+        if (dismount) this.entity.stopRiding(); // Paper - Teleport passenger API
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         // Let the server handle cross world teleports
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         if (location.getWorld() != null && !location.getWorld().equals(this.getWorld())) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -0,0 +0,0 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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     @Override
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     public void setRotation(float yaw, float pitch) {
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-        throw new UnsupportedOperationException("Cannot set rotation of players. Consider teleporting instead.");
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+        // Paper start - Teleport API
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+        Location targetLocation = this.getEyeLocation();
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+        targetLocation.setYaw(yaw);
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+        targetLocation.setPitch(pitch);
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+
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+        org.bukkit.util.Vector direction = targetLocation.getDirection();
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+        direction.multiply(9999999); // We need to move the target block.. FAR out
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+        targetLocation.add(direction);
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+        this.lookAt(targetLocation, io.papermc.paper.entity.LookAnchor.EYES);
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+        // Paper end
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     }
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     @Override
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     public boolean teleport(Location location, PlayerTeleportEvent.TeleportCause cause) {
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+        // Paper start - Teleport API
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+        return this.teleport(location, cause, new io.papermc.paper.entity.TeleportFlag[0]);
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+    }
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+
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+    @Override
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+    public void lookAt(@NotNull org.bukkit.entity.Entity entity, @NotNull io.papermc.paper.entity.LookAnchor playerAnchor, @NotNull io.papermc.paper.entity.LookAnchor entityAnchor) {
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+        this.getHandle().lookAt(toNmsAnchor(playerAnchor), ((CraftEntity) entity).getHandle(), toNmsAnchor(entityAnchor));
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+    }
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+
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+    @Override
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+    public void lookAt(double x, double y, double z, @NotNull io.papermc.paper.entity.LookAnchor playerAnchor) {
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+        this.getHandle().lookAt(toNmsAnchor(playerAnchor), new Vec3(x, y, z));
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+    }
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+
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+    public static net.minecraft.commands.arguments.EntityAnchorArgument.Anchor toNmsAnchor(io.papermc.paper.entity.LookAnchor nmsAnchor) {
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+        return switch (nmsAnchor) {
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+            case EYES -> net.minecraft.commands.arguments.EntityAnchorArgument.Anchor.EYES;
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+            case FEET -> net.minecraft.commands.arguments.EntityAnchorArgument.Anchor.FEET;
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+        };
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+    }
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+
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+    public static io.papermc.paper.entity.LookAnchor toApiAnchor(net.minecraft.commands.arguments.EntityAnchorArgument.Anchor playerAnchor) {
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+        return switch (playerAnchor) {
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+            case EYES -> io.papermc.paper.entity.LookAnchor.EYES;
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+            case FEET -> io.papermc.paper.entity.LookAnchor.FEET;
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+        };
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+    }
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+
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+    public static net.minecraft.world.entity.RelativeMovement toNmsRelativeFlag(io.papermc.paper.entity.TeleportFlag.Relative apiFlag) {
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+        return switch (apiFlag) {
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+            case X -> net.minecraft.world.entity.RelativeMovement.X;
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+            case Y -> net.minecraft.world.entity.RelativeMovement.Y;
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+            case Z -> net.minecraft.world.entity.RelativeMovement.Z;
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+            case PITCH -> net.minecraft.world.entity.RelativeMovement.X_ROT;
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+            case YAW -> net.minecraft.world.entity.RelativeMovement.Y_ROT;
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+        };
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+    }
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+
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+    public static io.papermc.paper.entity.TeleportFlag.Relative toApiRelativeFlag(net.minecraft.world.entity.RelativeMovement nmsFlag) {
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+        return switch (nmsFlag) {
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+            case X -> io.papermc.paper.entity.TeleportFlag.Relative.X;
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+            case Y -> io.papermc.paper.entity.TeleportFlag.Relative.Y;
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+            case Z -> io.papermc.paper.entity.TeleportFlag.Relative.Z;
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+            case X_ROT -> io.papermc.paper.entity.TeleportFlag.Relative.PITCH;
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+            case Y_ROT -> io.papermc.paper.entity.TeleportFlag.Relative.YAW;
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+        };
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+    }
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+
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+    @Override
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+    public boolean teleport(Location location, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause, io.papermc.paper.entity.TeleportFlag... flags) {
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+        java.util.Set<net.minecraft.world.entity.RelativeMovement> relativeArguments;
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+        java.util.Set<io.papermc.paper.entity.TeleportFlag> allFlags;
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+        if (flags.length == 0) {
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+            relativeArguments = Set.of();
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+            allFlags = Set.of();
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+        } else {
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+            relativeArguments = java.util.EnumSet.noneOf(net.minecraft.world.entity.RelativeMovement.class);
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+            allFlags = new HashSet<>();
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+            for (io.papermc.paper.entity.TeleportFlag flag : flags) {
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+                if (flag instanceof io.papermc.paper.entity.TeleportFlag.Relative relativeTeleportFlag) {
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+                    relativeArguments.add(toNmsRelativeFlag(relativeTeleportFlag));
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+                }
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+                allFlags.add(flag);
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+            }
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+        }
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+        boolean dismount = !allFlags.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_VEHICLE);
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+        boolean ignorePassengers = allFlags.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_PASSENGERS);
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+        // Paper end - Teleport API
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         Preconditions.checkArgument(location != null, "location");
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         Preconditions.checkArgument(location.getWorld() != null, "location.world");
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+        // Paper start - Teleport passenger API
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+        // Don't allow teleporting between worlds while keeping passengers
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+        if (ignorePassengers && entity.isVehicle() && location.getWorld() != this.getWorld()) {
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+            return false;
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+        }
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+
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+        // Don't allow to teleport between worlds if remaining on vehicle
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+        if (!dismount && entity.isPassenger() && location.getWorld() != this.getWorld()) {
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+            return false;
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+        }
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+        // Paper end
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         location.checkFinite();
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         ServerPlayer entity = this.getHandle();
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@@ -0,0 +0,0 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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            return false;
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         }
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-        if (entity.isVehicle()) {
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+        if (entity.isVehicle() && !ignorePassengers) { // Paper - Teleport API
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             return false;
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         }
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@@ -0,0 +0,0 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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         }
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         // If this player is riding another entity, we must dismount before teleporting.
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-        entity.stopRiding();
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+        if (dismount) entity.stopRiding(); // Paper - Teleport API
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         // SPIGOT-5509: Wakeup, similar to riding
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         if (this.isSleeping()) {
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@@ -0,0 +0,0 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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         ServerLevel toWorld = ((CraftWorld) to.getWorld()).getHandle();
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         // Close any foreign inventory
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-        if (this.getHandle().containerMenu != this.getHandle().inventoryMenu) {
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+        if (this.getHandle().containerMenu != this.getHandle().inventoryMenu && !allFlags.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_OPEN_INVENTORY)) { // Paper
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             this.getHandle().closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.TELEPORT); // Paper
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         }
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         // Check if the fromWorld and toWorld are the same.
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         if (fromWorld == toWorld) {
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-            entity.connection.teleport(to);
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+            entity.connection.internalTeleport(to.getX(), to.getY(), to.getZ(), to.getYaw(), to.getPitch(), relativeArguments); // Paper - Teleport API
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         } else {
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             // The respawn reason should never be used if the passed location is non null.
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             this.server.getHandle().respawn(entity, toWorld, true, to, !toWorld.paperConfig().environment.disableTeleportationSuffocationCheck, null); // Paper
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