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-rw-r--r--patches/unapplied/server/0712-More-Teleport-API.patch265
1 files changed, 265 insertions, 0 deletions
diff --git a/patches/unapplied/server/0712-More-Teleport-API.patch b/patches/unapplied/server/0712-More-Teleport-API.patch
new file mode 100644
index 0000000000..2ceedf2496
--- /dev/null
+++ b/patches/unapplied/server/0712-More-Teleport-API.patch
@@ -0,0 +1,265 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Owen1212055 <[email protected]>
+Date: Sun, 5 Sep 2021 12:15:59 -0400
+Subject: [PATCH] More Teleport API
+
+
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index bc8f9bd50de3894e6262e13ed55252c98f22ed8a..10f7e45f192ef50b9d9bf5fc83a8090efb2b1042 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -1585,11 +1585,18 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
+ return true; // CraftBukkit - Return event status
+ }
+
+- PlayerTeleportEvent event = new PlayerTeleportEvent(player, from.clone(), to.clone(), cause);
++ // Paper start - Teleport API
++ final Set<io.papermc.paper.entity.TeleportFlag.Relative> relativeFlags = java.util.EnumSet.noneOf(io.papermc.paper.entity.TeleportFlag.Relative.class);
++ for (final Relative relativeArgument : set) {
++ final io.papermc.paper.entity.TeleportFlag.Relative flag = org.bukkit.craftbukkit.entity.CraftPlayer.deltaRelativeToAPI(relativeArgument);
++ if (flag != null) relativeFlags.add(flag);
++ }
++ PlayerTeleportEvent event = new PlayerTeleportEvent(player, from.clone(), to.clone(), cause, java.util.Set.copyOf(relativeFlags));
++ // Paper end - Teleport API
+ this.cserver.getPluginManager().callEvent(event);
+
+ if (event.isCancelled() || !to.equals(event.getTo())) {
+- set = Collections.emptySet(); // Can't relative teleport
++ // set = Collections.emptySet(); // Can't relative teleport // Paper - Teleport API; Now you can!
+ to = event.isCancelled() ? event.getFrom() : event.getTo();
+ positionmoverotation = new PositionMoveRotation(CraftLocation.toVec3D(to), Vec3.ZERO, to.getYaw(), to.getPitch());
+ }
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+index 10fb64df10820974d11f142c102a11a5bd0f317c..8d2f6bb43fb69a4a1e2085960eb24f4397072499 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+@@ -222,15 +222,36 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+
+ @Override
+ public boolean teleport(Location location, TeleportCause cause) {
++ // Paper start - Teleport passenger API
++ return teleport(location, cause, new io.papermc.paper.entity.TeleportFlag[0]);
++ }
++
++ @Override
++ public boolean teleport(Location location, TeleportCause cause, io.papermc.paper.entity.TeleportFlag... flags) {
++ // Paper end
+ Preconditions.checkArgument(location != null, "location cannot be null");
+ location.checkFinite();
++ // Paper start - Teleport passenger API
++ Set<io.papermc.paper.entity.TeleportFlag> flagSet = Set.of(flags);
++ boolean dismount = !flagSet.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_VEHICLE);
++ boolean ignorePassengers = flagSet.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_PASSENGERS);
++ // Don't allow teleporting between worlds while keeping passengers
++ if (flagSet.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_PASSENGERS) && this.entity.isVehicle() && location.getWorld() != this.getWorld()) {
++ return false;
++ }
++
++ // Don't allow to teleport between worlds if remaining on vehicle
++ if (!dismount && this.entity.isPassenger() && location.getWorld() != this.getWorld()) {
++ return false;
++ }
++ // Paper end
+
+- if (this.entity.isVehicle() || this.entity.isRemoved()) {
++ if ((!ignorePassengers && this.entity.isVehicle()) || this.entity.isRemoved()) { // Paper - Teleport passenger API
+ return false;
+ }
+
+ // If this entity is riding another entity, we must dismount before teleporting.
+- this.entity.stopRiding();
++ if (dismount) this.entity.stopRiding(); // Paper - Teleport passenger API
+
+ // Let the server handle cross world teleports
+ if (location.getWorld() != null && !location.getWorld().equals(this.getWorld())) {
+@@ -971,6 +992,39 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+ return CraftEntity.perm;
+ }
+
++ // Paper start - more teleport API / async chunk API
++ @Override
++ public java.util.concurrent.CompletableFuture<Boolean> teleportAsync(final Location location, final TeleportCause cause, final io.papermc.paper.entity.TeleportFlag... teleportFlags) {
++ Preconditions.checkArgument(location != null, "location");
++ location.checkFinite();
++ Location locationClone = location.clone(); // clone so we don't need to worry about mutations after this call.
++
++ net.minecraft.server.level.ServerLevel world = ((CraftWorld)locationClone.getWorld()).getHandle();
++ java.util.concurrent.CompletableFuture<Boolean> ret = new java.util.concurrent.CompletableFuture<>();
++
++ world.loadChunksForMoveAsync(getHandle().getBoundingBoxAt(locationClone.getX(), locationClone.getY(), locationClone.getZ()),
++ this instanceof CraftPlayer ? ca.spottedleaf.concurrentutil.util.Priority.HIGHER : ca.spottedleaf.concurrentutil.util.Priority.NORMAL, (list) -> {
++ net.minecraft.server.level.ServerChunkCache chunkProviderServer = world.getChunkSource();
++ for (net.minecraft.world.level.chunk.ChunkAccess chunk : list) {
++ chunkProviderServer.addTicketAtLevel(net.minecraft.server.level.TicketType.POST_TELEPORT, chunk.getPos(), 33, CraftEntity.this.getEntityId());
++ }
++ net.minecraft.server.MinecraftServer.getServer().scheduleOnMain(() -> {
++ try {
++ ret.complete(CraftEntity.this.teleport(locationClone, cause, teleportFlags) ? Boolean.TRUE : Boolean.FALSE);
++ } catch (Throwable throwable) {
++ if (throwable instanceof ThreadDeath) {
++ throw (ThreadDeath)throwable;
++ }
++ net.minecraft.server.MinecraftServer.LOGGER.error("Failed to teleport entity " + CraftEntity.this, throwable);
++ ret.completeExceptionally(throwable);
++ }
++ });
++ });
++
++ return ret;
++ }
++ // Paper end - more teleport API / async chunk API
++
+ // Spigot start
+ private final org.bukkit.entity.Entity.Spigot spigot = new org.bukkit.entity.Entity.Spigot()
+ {
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index 2df2a194851c170343e2aa3695122618285edc31..7c536fa1155dc87c54489dc145a41a02debda561 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -1293,13 +1293,94 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+
+ @Override
+ public void setRotation(float yaw, float pitch) {
+- throw new UnsupportedOperationException("Cannot set rotation of players. Consider teleporting instead.");
++ // Paper start - Teleport API
++ if (this.getHandle().connection == null) return;
++ this.getHandle().forceSetRotation(yaw, pitch);
++ // Paper end - Teleportation API
+ }
+
+ @Override
+ public boolean teleport(Location location, PlayerTeleportEvent.TeleportCause cause) {
++ // Paper start - Teleport API
++ return this.teleport(location, cause, new io.papermc.paper.entity.TeleportFlag[0]);
++ }
++
++ @Override
++ public void lookAt(@NotNull org.bukkit.entity.Entity entity, @NotNull io.papermc.paper.entity.LookAnchor playerAnchor, @NotNull io.papermc.paper.entity.LookAnchor entityAnchor) {
++ this.getHandle().lookAt(toNmsAnchor(playerAnchor), ((CraftEntity) entity).getHandle(), toNmsAnchor(entityAnchor));
++ }
++
++ @Override
++ public void lookAt(double x, double y, double z, @NotNull io.papermc.paper.entity.LookAnchor playerAnchor) {
++ this.getHandle().lookAt(toNmsAnchor(playerAnchor), new net.minecraft.world.phys.Vec3(x, y, z));
++ }
++
++ public static net.minecraft.commands.arguments.EntityAnchorArgument.Anchor toNmsAnchor(io.papermc.paper.entity.LookAnchor nmsAnchor) {
++ return switch (nmsAnchor) {
++ case EYES -> net.minecraft.commands.arguments.EntityAnchorArgument.Anchor.EYES;
++ case FEET -> net.minecraft.commands.arguments.EntityAnchorArgument.Anchor.FEET;
++ };
++ }
++
++ public static io.papermc.paper.entity.LookAnchor toApiAnchor(net.minecraft.commands.arguments.EntityAnchorArgument.Anchor playerAnchor) {
++ return switch (playerAnchor) {
++ case EYES -> io.papermc.paper.entity.LookAnchor.EYES;
++ case FEET -> io.papermc.paper.entity.LookAnchor.FEET;
++ };
++ }
++
++ public static net.minecraft.world.entity.Relative deltaRelativeToNMS(io.papermc.paper.entity.TeleportFlag.Relative apiFlag) {
++ return switch (apiFlag) {
++ case VELOCITY_X -> net.minecraft.world.entity.Relative.DELTA_X;
++ case VELOCITY_Y -> net.minecraft.world.entity.Relative.DELTA_Y;
++ case VELOCITY_Z -> net.minecraft.world.entity.Relative.DELTA_Z;
++ case VELOCITY_ROTATION -> net.minecraft.world.entity.Relative.ROTATE_DELTA;
++ };
++ }
++
++ public static @org.jetbrains.annotations.Nullable io.papermc.paper.entity.TeleportFlag.Relative deltaRelativeToAPI(net.minecraft.world.entity.Relative nmsFlag) {
++ return switch (nmsFlag) {
++ case DELTA_X -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_X;
++ case DELTA_Y -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_Y;
++ case DELTA_Z -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_Z;
++ case ROTATE_DELTA -> io.papermc.paper.entity.TeleportFlag.Relative.VELOCITY_ROTATION;
++ default -> null;
++ };
++ }
++
++ @Override
++ public boolean teleport(Location location, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause, io.papermc.paper.entity.TeleportFlag... flags) {
++ Set<io.papermc.paper.entity.TeleportFlag.Relative> relativeArguments;
++ Set<io.papermc.paper.entity.TeleportFlag> allFlags;
++ if (flags.length == 0) {
++ relativeArguments = Set.of();
++ allFlags = Set.of();
++ } else {
++ relativeArguments = java.util.EnumSet.noneOf(io.papermc.paper.entity.TeleportFlag.Relative.class);
++ allFlags = new HashSet<>();
++ for (io.papermc.paper.entity.TeleportFlag flag : flags) {
++ if (flag instanceof final io.papermc.paper.entity.TeleportFlag.Relative relativeTeleportFlag) {
++ relativeArguments.add(relativeTeleportFlag);
++ }
++ allFlags.add(flag);
++ }
++ }
++ boolean dismount = !allFlags.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_VEHICLE);
++ boolean ignorePassengers = allFlags.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_PASSENGERS);
++ // Paper end - Teleport API
+ Preconditions.checkArgument(location != null, "location");
+ Preconditions.checkArgument(location.getWorld() != null, "location.world");
++ // Paper start - Teleport passenger API
++ // Don't allow teleporting between worlds while keeping passengers
++ if (ignorePassengers && entity.isVehicle() && location.getWorld() != this.getWorld()) {
++ return false;
++ }
++
++ // Don't allow to teleport between worlds if remaining on vehicle
++ if (!dismount && entity.isPassenger() && location.getWorld() != this.getWorld()) {
++ return false;
++ }
++ // Paper end
+ location.checkFinite();
+
+ ServerPlayer entity = this.getHandle();
+@@ -1312,7 +1393,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+ return false;
+ }
+
+- if (entity.isVehicle()) {
++ if (entity.isVehicle() && !ignorePassengers) { // Paper - Teleport API
+ return false;
+ }
+
+@@ -1321,7 +1402,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+ // To = Players new Location if Teleport is Successful
+ Location to = location;
+ // Create & Call the Teleport Event.
+- PlayerTeleportEvent event = new PlayerTeleportEvent(this, from, to, cause);
++ PlayerTeleportEvent event = new PlayerTeleportEvent(this, from, to, cause, Set.copyOf(relativeArguments)); // Paper - Teleport API
+ this.server.getPluginManager().callEvent(event);
+
+ // Return False to inform the Plugin that the Teleport was unsuccessful/cancelled.
+@@ -1330,7 +1411,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+ }
+
+ // If this player is riding another entity, we must dismount before teleporting.
+- entity.stopRiding();
++ if (dismount) entity.stopRiding(); // Paper - Teleport API
+
+ // SPIGOT-5509: Wakeup, similar to riding
+ if (this.isSleeping()) {
+@@ -1346,13 +1427,21 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+ ServerLevel toWorld = ((CraftWorld) to.getWorld()).getHandle();
+
+ // Close any foreign inventory
+- if (this.getHandle().containerMenu != this.getHandle().inventoryMenu) {
++ if (this.getHandle().containerMenu != this.getHandle().inventoryMenu && !allFlags.contains(io.papermc.paper.entity.TeleportFlag.EntityState.RETAIN_OPEN_INVENTORY)) { // Paper
+ this.getHandle().closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.TELEPORT); // Paper - Inventory close reason
+ }
+
+ // Check if the fromWorld and toWorld are the same.
+ if (fromWorld == toWorld) {
+- entity.connection.teleport(to);
++ // Paper start - Teleport API
++ final Set<net.minecraft.world.entity.Relative> nms = java.util.EnumSet.noneOf(net.minecraft.world.entity.Relative.class);
++ for (final io.papermc.paper.entity.TeleportFlag.Relative bukkit : relativeArguments) {
++ nms.add(deltaRelativeToNMS(bukkit));
++ }
++ entity.connection.internalTeleport(new net.minecraft.world.entity.PositionMoveRotation(
++ io.papermc.paper.util.MCUtil.toVec3(to), net.minecraft.world.phys.Vec3.ZERO, to.getYaw(), to.getPitch()
++ ), nms);
++ // Paper end - Teleport API
+ } else {
+ 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
+ // The respawn reason should never be used if the passed location is non null.