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Add TeleportFlags (#8855)

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Abstracts relative teleport flags and instead makes a generic TeleportFlag option. This has the benefit of being able to easily add new flags in the future.
This adds a new flag, which allows you to keep inventories open when teleporting players (vanilla behavior).

These are breaking changes to the teleport api, however, it's still marked as experimental so I find this a fair change.
This commit is contained in:
Owen1212055
2023-03-04 17:07:23 -05:00
parent d922f2e369
commit 2dd20a5904
3 changed files with 122 additions and 120 deletions
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180
patches/api/More-Teleport-API.patch
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@@ -35,44 +35,93 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ */
+ EYES;
+}
diff --git a/src/main/java/io/papermc/paper/entity/RelativeTeleportFlag.java b/src/main/java/io/papermc/paper/entity/RelativeTeleportFlag.java
diff --git a/src/main/java/io/papermc/paper/entity/TeleportFlag.java b/src/main/java/io/papermc/paper/entity/TeleportFlag.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/io/papermc/paper/entity/RelativeTeleportFlag.java
+++ b/src/main/java/io/papermc/paper/entity/TeleportFlag.java
@@ -0,0 +0,0 @@
+package io.papermc.paper.entity;
+
+import org.bukkit.Location;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Represents coordinates in a teleportation that should be handled relatively.
+ * Represents a flag that can be set on teleportation that may
+ * slightly modify the behavior.
+ *
+ * @see org.bukkit.entity.Player#teleport(Location, PlayerTeleportEvent.TeleportCause, boolean, boolean, RelativeTeleportFlag...)
+ * @see EntityState
+ * @see Relative
+ */
+@org.jetbrains.annotations.ApiStatus.Experimental
+public enum RelativeTeleportFlag {
+@ApiStatus.Experimental
+public sealed interface TeleportFlag permits TeleportFlag.EntityState, TeleportFlag.Relative {
+
+ /**
+ * Represents the player's X coordinate
+ * Note: These flags only work on {@link org.bukkit.entity.Player} entities.
+ * <p>
+ * Represents coordinates in a teleportation that should be handled relatively.
+ * <p>
+ * Coordinates of the location that the client should handle as relative teleportation
+ * Relative teleportation flags are only used client side, and cause the player to not lose velocity in that
+ * specific coordinate. The location of the teleportation will not change.
+ *
+ * @see org.bukkit.entity.Player#teleport(Location, PlayerTeleportEvent.TeleportCause, TeleportFlag...)
+ */
+ X,
+ @ApiStatus.Experimental
+ enum Relative implements TeleportFlag {
+ /**
+ * Represents the player's X coordinate
+ */
+ X,
+ /**
+ * Represents the player's Y coordinate
+ */
+ Y,
+ /**
+ * Represents the player's Z coordinate
+ */
+ Z,
+ /**
+ * Represents the player's yaw
+ */
+ YAW,
+ /**
+ * Represents the player's pitch
+ */
+ PITCH;
+ }
+
+ /**
+ * Represents the player's Y coordinate
+ * Represents flags that effect the entity's state on
+ * teleportation.
+ */
+ Y,
+ /**
+ * Represents the player's Z coordinate
+ */
+ Z,
+ /**
+ * Represents the player's yaw
+ */
+ YAW,
+ /**
+ * Represents the player's pitch
+ */
+ PITCH;
+ @ApiStatus.Experimental
+ enum EntityState implements TeleportFlag {
+ /**
+ * If all passengers should not be required to be removed prior to teleportation.
+ * <p>
+ * Note:
+ * Teleporting to a different world with this flag present while the entity has entities riding it
+ * will cause this teleportation to return false and not occur.
+ */
+ RETAIN_PASSENGERS,
+ /**
+ * If the entity should not be dismounted if they are riding another entity.
+ * <p>
+ * Note:
+ * Teleporting to a different world with this flag present while this entity is riding another entity will
+ * cause this teleportation to return false and not occur.
+ */
+ RETAIN_VEHICLE,
+ /**
+ * Indicates that a player should not have their current open inventory closed when teleporting.
+ * <p>
+ * Note:
+ * This option will be ignored when teleported to a different world.
+ */
+ RETAIN_OPEN_INVENTORY;
+ }
+
+}
diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
@@ -90,69 +139,26 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // Paper start - Teleport API
+ /**
+ * Teleports this entity to the given location.
+ * <p>
+ * Note: Teleporting to a different world with ignorePassengers to true while the entity has entities riding it
+ * will cause this teleportation to return false and not occur.
+ *
+ * @param location New location to teleport this entity to
+ * @param ignorePassengers If all passengers should not be required to be removed prior to teleportation
+ * @param teleportFlags Flags to be used in this teleportation
+ * @return <code>true</code> if the teleport was successful
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ default boolean teleport(@NotNull Location location, boolean ignorePassengers) {
+ return this.teleport(location, TeleportCause.PLUGIN, ignorePassengers);
+ default boolean teleport(@NotNull Location location, @NotNull io.papermc.paper.entity.TeleportFlag @NotNull... teleportFlags) {
+ return this.teleport(location, TeleportCause.PLUGIN, teleportFlags);
+ }
+
+ /**
+ * Teleports this entity to the given location.
+ * <p>
+ * Note: Teleporting to a different world with ignorePassengers to true while the entity has entities riding it
+ * will cause this teleportation to return false and not occur.
+ *
+ * @param location New location to teleport this entity to
+ * @param cause The cause of this teleportation
+ * @param ignorePassengers If all passengers should not be required to be removed prior to teleportation
+ * @param teleportFlags Flags to be used in this teleportation
+ * @return <code>true</code> if the teleport was successful
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ default boolean teleport(@NotNull Location location, @NotNull TeleportCause cause, boolean ignorePassengers) {
+ return this.teleport(location, cause, ignorePassengers, true);
+ }
+
+ /**
+ * Teleports this entity to the given location.
+ * <p>
+ * Note: Teleporting to a different world with ignorePassengers to true while the entity has entities riding it
+ * will cause this teleportation to return false and not occur.
+ * Note: Teleporting to a different world with dismount to false while this entity is riding another entity will
+ * cause this teleportation to return false and not occur.
+ *
+ * @param location New location to teleport this entity to
+ * @param ignorePassengers If all passengers should not be required to be removed prior to teleportation
+ * @param dismount If the entity should be dismounted if they are riding another entity
+ * @return <code>true</code> if the teleport was successful
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ default boolean teleport(@NotNull Location location, boolean ignorePassengers, boolean dismount) {
+ return this.teleport(location, TeleportCause.PLUGIN, ignorePassengers, dismount);
+ }
+
+ /**
+ * Teleports this entity to the given location.
+ * <p>
+ * Note: Teleporting to a different world with ignorePassengers to true while the entity has entities riding it
+ * will cause this teleportation to return false and not occur.
+ * Note: Teleporting to a different world with dismount to false while this entity is riding another entity will
+ * cause this teleportation to return false and not occur.
+ *
+ * @param location New location to teleport this entity to
+ * @param cause The cause of this teleportation
+ * @param ignorePassengers If all passengers should not be required to be removed prior to teleportation
+ * @param dismount If the entity should be dismounted if they are riding another entity
+ * @return <code>true</code> if the teleport was successful
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ boolean teleport(@NotNull Location location, @NotNull TeleportCause cause, boolean ignorePassengers, boolean dismount);
+ boolean teleport(@NotNull Location location, @NotNull TeleportCause cause, @NotNull io.papermc.paper.entity.TeleportFlag @NotNull... teleportFlags);
+ // Paper end - Teleport API
+
/**
@@ -177,28 +183,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ void setRotation(float yaw, float pitch);
+
+ /**
+ * Teleports this entity to the given location.
+ * <p>
+ * Note: Teleporting to a different world with ignorePassengers to true while the entity has entities riding it
+ * will cause this teleportation to return false and not occur.
+ * Note: Teleporting to a different world with dismount to false while this entity is riding another entity will
+ * cause this teleportation to return false and not occur.
+ *
+ * <p>
+ * Relative teleportation flags are only used client side, and cause the player to not lose velocity in that
+ * specific coordinate. The location of the teleportation will not change.
+ *
+ * @param location New location to teleport this entity to
+ * @param cause The cause of this teleportation
+ * @param ignorePassengers If all passengers should not be required to be removed prior to teleportation
+ * @param dismount If the entity should be dismounted if they are riding another entity
+ * @param teleportFlags Coordinates of the location that the client should handle as relative teleportation
+ * @return <code>true</code> if the teleport was successful
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ boolean teleport(@NotNull Location location, @NotNull org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause, boolean ignorePassengers, boolean dismount, @NotNull io.papermc.paper.entity.RelativeTeleportFlag @NotNull... teleportFlags);
+
+ /**
+ * Causes the player to look towards the given position.
+ *
+ * @param x x coordinate
@@ -212,12 +196,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ /**
+ * Causes the player to look towards the given location.
+ *
+ * @param location Location to look at
+ * @param position Position to look at in the player's current world
+ * @param playerAnchor What part of player should face the location
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ default void lookAt(@NotNull Location location, @NotNull io.papermc.paper.entity.LookAnchor playerAnchor) {
+ this.lookAt(location.getX(), location.getY(), location.getZ(), playerAnchor);
+ default void lookAt(@NotNull io.papermc.paper.math.Position position, @NotNull io.papermc.paper.entity.LookAnchor playerAnchor) {
+ this.lookAt(position.x(), position.y(), position.z(), playerAnchor);
+ }
+
+ /**
@@ -244,7 +228,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // Paper start - Teleport API
+ private boolean dismounted = true;
+ private final java.util.Set<io.papermc.paper.entity.RelativeTeleportFlag> teleportFlagSet;
+ private final java.util.Set<io.papermc.paper.entity.TeleportFlag.Relative> teleportFlagSet;
+ // Paper end
+
public PlayerTeleportEvent(@NotNull final Player player, @NotNull final Location from, @Nullable final Location to) {
@@ -259,7 +243,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // Paper start - Teleport API
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ public PlayerTeleportEvent(@NotNull final Player player, @NotNull final Location from, @Nullable final Location to, @NotNull final TeleportCause cause, boolean dismounted, @NotNull java.util.Set<io.papermc.paper.entity.@NotNull RelativeTeleportFlag> teleportFlagSet) {
+ public PlayerTeleportEvent(@NotNull final Player player, @NotNull final Location from, @Nullable final Location to, @NotNull final TeleportCause cause, boolean dismounted, @NotNull java.util.Set<io.papermc.paper.entity.TeleportFlag.@NotNull Relative> teleportFlagSet) {
+ super(player, from, to);
+
+ this.dismounted = dismounted;
@@ -294,7 +278,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ */
+ @org.jetbrains.annotations.ApiStatus.Experimental
+ @NotNull
+ public java.util.Set<io.papermc.paper.entity.@NotNull RelativeTeleportFlag> getRelativeTeleportationFlags() {
+ public java.util.Set<io.papermc.paper.entity.TeleportFlag.@NotNull Relative> getRelativeTeleportationFlags() {
+ return this.teleportFlagSet;
+ }
+ // Paper end