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https://github.com/PaperMC/Paper.git
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8c5b837e05
Firstly, the old methods all routed to the CompletableFuture method. However, the CF method could not guarantee that if the caller was off-main that the future would be "completed" on-main. Since the callback methods used the CF one, this meant that the callback methods did not guarantee that the callbacks were to be called on the main thread. Now, all methods route to getChunkAtAsync(x, z, gen, urgent, cb) so that the methods with the callback are guaranteed to invoke the callback on the main thread. The CF behavior remains unchanged; it may still appear to complete on main if invoked off-main. Secondly, remove the scheduleOnMain invocation in the async chunk completion. This unnecessarily delays the callback by 1 tick. Thirdly, add getChunksAtAsync(minX, minZ, maxX, maxZ, ...) which will load chunks within an area. This method is provided as a helper as keeping all chunks loaded within an area can be complicated to implement for plugins (due to the lacking ticket API), and is already implemented internally anyways. Fourthly, remove the ticket addition that occured with getChunkAt and getChunkAtAsync. The ticket addition may delay the unloading of the chunk unnecessarily. It also fixes a very rare timing bug where the future/callback would be completed after the chunk unloads.
265 lines
15 KiB
Diff
265 lines
15 KiB
Diff
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 bc8f9bd50de3894e6262e13ed55252c98f22ed8a..10f7e45f192ef50b9d9bf5fc83a8090efb2b1042 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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@@ -1585,11 +1585,18 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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return true; // 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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+ final Set<io.papermc.paper.entity.TeleportFlag.Relative> relativeFlags = java.util.EnumSet.noneOf(io.papermc.paper.entity.TeleportFlag.Relative.class);
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+ for (final Relative relativeArgument : set) {
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+ final io.papermc.paper.entity.TeleportFlag.Relative flag = org.bukkit.craftbukkit.entity.CraftPlayer.deltaRelativeToAPI(relativeArgument);
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+ if (flag != null) relativeFlags.add(flag);
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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 - Teleport API
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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 = Collections.emptySet(); // Can't relative teleport
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+ // set = Collections.emptySet(); // 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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positionmoverotation = new PositionMoveRotation(CraftLocation.toVec3D(to), Vec3.ZERO, to.getYaw(), to.getPitch());
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}
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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 10fb64df10820974d11f142c102a11a5bd0f317c..8d2f6bb43fb69a4a1e2085960eb24f4397072499 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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@@ -222,15 +222,36 @@ 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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@@ -971,6 +992,39 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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return CraftEntity.perm;
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}
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+ // Paper start - more teleport API / async chunk API
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+ @Override
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+ public java.util.concurrent.CompletableFuture<Boolean> teleportAsync(final Location location, final TeleportCause cause, final io.papermc.paper.entity.TeleportFlag... teleportFlags) {
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+ Preconditions.checkArgument(location != null, "location");
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+ location.checkFinite();
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+ Location locationClone = location.clone(); // clone so we don't need to worry about mutations after this call.
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+
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+ net.minecraft.server.level.ServerLevel world = ((CraftWorld)locationClone.getWorld()).getHandle();
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+ java.util.concurrent.CompletableFuture<Boolean> ret = new java.util.concurrent.CompletableFuture<>();
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+
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+ world.loadChunksForMoveAsync(getHandle().getBoundingBoxAt(locationClone.getX(), locationClone.getY(), locationClone.getZ()),
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+ this instanceof CraftPlayer ? ca.spottedleaf.concurrentutil.util.Priority.HIGHER : ca.spottedleaf.concurrentutil.util.Priority.NORMAL, (list) -> {
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+ net.minecraft.server.level.ServerChunkCache chunkProviderServer = world.getChunkSource();
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+ for (net.minecraft.world.level.chunk.ChunkAccess chunk : list) {
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+ chunkProviderServer.addTicketAtLevel(net.minecraft.server.level.TicketType.POST_TELEPORT, chunk.getPos(), 33, CraftEntity.this.getEntityId());
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+ }
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+ net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {
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+ try {
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+ ret.complete(CraftEntity.this.teleport(locationClone, cause, teleportFlags) ? Boolean.TRUE : Boolean.FALSE);
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+ } catch (Throwable throwable) {
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+ if (throwable instanceof ThreadDeath) {
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+ throw (ThreadDeath)throwable;
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+ }
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+ net.minecraft.server.MinecraftServer.LOGGER.error("Failed to teleport entity " + CraftEntity.this, throwable);
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+ ret.completeExceptionally(throwable);
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+ }
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+ });
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+ });
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+
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+ return ret;
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+ }
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+ // Paper end - more teleport API / async chunk API
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+
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// Spigot start
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private final org.bukkit.entity.Entity.Spigot spigot = new org.bukkit.entity.Entity.Spigot()
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{
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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 728a65ad7a826596530b12594db15c93f1af68fb..87aa5f0d594ff697b87bc06019351d22b6c8c8e5 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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@@ -1291,13 +1291,94 @@ 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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+ if (this.getHandle().connection == null) return;
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+ this.getHandle().forceSetRotation(yaw, pitch);
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+ // Paper end - Teleportation API
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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 net.minecraft.world.phys.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.Relative deltaRelativeToNMS(io.papermc.paper.entity.TeleportFlag.Relative apiFlag) {
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+ return switch (apiFlag) {
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+ case VELOCITY_X -> net.minecraft.world.entity.Relative.DELTA_X;
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+ case VELOCITY_Y -> net.minecraft.world.entity.Relative.DELTA_Y;
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+ case VELOCITY_Z -> net.minecraft.world.entity.Relative.DELTA_Z;
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+ case VELOCITY_ROTATION -> net.minecraft.world.entity.Relative.ROTATE_DELTA;
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+ };
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+ }
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+
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+ public static @org.jetbrains.annotations.Nullable io.papermc.paper.entity.TeleportFlag.Relative deltaRelativeToAPI(net.minecraft.world.entity.Relative nmsFlag) {
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+ return switch (nmsFlag) {
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+ case DELTA_X -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_X;
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+ case DELTA_Y -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_Y;
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+ case DELTA_Z -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_Z;
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+ case ROTATE_DELTA -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_ROTATION;
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+ default -> null;
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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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+ Set<io.papermc.paper.entity.TeleportFlag.Relative> relativeArguments;
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+ 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(io.papermc.paper.entity.TeleportFlag.Relative.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 final io.papermc.paper.entity.TeleportFlag.Relative relativeTeleportFlag) {
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+ relativeArguments.add(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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@@ -1310,7 +1391,7 @@ 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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@@ -1319,7 +1400,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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// To = Players new Location if Teleport is Successful
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Location to = location;
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// Create & Call the Teleport Event.
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- PlayerTeleportEvent event = new PlayerTeleportEvent(this, from, to, cause);
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+ PlayerTeleportEvent event = new PlayerTeleportEvent(this, from, to, cause, Set.copyOf(relativeArguments)); // Paper - Teleport API
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this.server.getPluginManager().callEvent(event);
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// Return False to inform the Plugin that the Teleport was unsuccessful/cancelled.
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@@ -1328,7 +1409,7 @@ 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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@@ -1344,13 +1425,21 @@ 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 - Inventory close reason
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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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+ // Paper start - Teleport API
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+ final Set<net.minecraft.world.entity.Relative> nms = java.util.EnumSet.noneOf(net.minecraft.world.entity.Relative.class);
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+ for (final io.papermc.paper.entity.TeleportFlag.Relative bukkit : relativeArguments) {
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+ nms.add(deltaRelativeToNMS(bukkit));
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+ }
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+ entity.connection.internalTeleport(new net.minecraft.world.entity.PositionMoveRotation(
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+ io.papermc.paper.util.MCUtil.toVec3(to), net.minecraft.world.phys.Vec3.ZERO, to.getYaw(), to.getPitch()
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+ ), nms);
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+ // Paper end - Teleport API
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} else {
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entity.portalProcess = null; // SPIGOT-7785: there is no need to carry this over as it contains the old world/location and we might run into trouble if there is a portal in the same spot in both worlds
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// The respawn reason should never be used if the passed location is non null.
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