Implement display message for destination instances to improve teleport command output

Author: benwoo1110

src/main/java/org/mvplugins/multiverse/core/commands/TeleportCommand.java

@@ -105,7 +105,7 @@ private void teleportSinglePlayer(MVCommandIssuer issuer, Player player,
                 .teleportSingle(player)
                 .onSuccess(() -> issuer.sendInfo(MVCorei18n.TELEPORT_SUCCESS,
                         Replace.PLAYER.with(getYouOrName(issuer, player)),
-                        Replace.DESTINATION.with(destination.toString())))
+                        Replace.DESTINATION.with(destination.getDisplayMessage())))
                 .onFailureCount(reasonsCountMap -> {
                     for (var entry : reasonsCountMap.entrySet()) {
                         Logging.finer("Failed to teleport %s players to %s: %s",
@@ -138,7 +138,7 @@ private void teleportMultiplePlayers(MVCommandIssuer issuer, Player[] players,
                 .teleport(List.of(players))
                 .onSuccessCount(successCount -> issuer.sendInfo(MVCorei18n.TELEPORT_SUCCESS,
                         Replace.PLAYER.with(successCount + " players"),
-                        Replace.DESTINATION.with(destination.toString())))
+                        Replace.DESTINATION.with(destination.getDisplayMessage())))
                 .onFailureCount(reasonsCountMap -> {
                     for (var entry : reasonsCountMap.entrySet()) {
                         Logging.finer("Failed to teleport %s players to %s: %s",

src/main/java/org/mvplugins/multiverse/core/destination/DestinationInstance.java

@@ -4,8 +4,9 @@
 import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.util.Vector;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.core.utils.result.FailureReason;
+import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.world.location.UnloadedWorldLocation;
 
 /**
@@ -79,6 +80,20 @@ protected DestinationInstance(@NotNull T destination) {
      */
     public abstract @NotNull Option<String> getFinerPermissionSuffix();
 
+    /**
+     * Gets a user-friendly display text for this destination instance. This is used when displaying the destination
+     * to the player. By default, this returns the same as {@link #toString()}. Override this method to provide a more
+     * user-friendly display text with colors, formatting and localization support.
+     *
+     * @return The display message.
+     * @since 5.4
+     */
+    @ApiStatus.AvailableSince("5.4")
+    @NotNull
+    public Message getDisplayMessage() {
+        return Message.of(this.toString());
+    }
+
     /**
      * Serialises the destination instance to a savable string.
      *

src/main/java/org/mvplugins/multiverse/core/destination/core/AnchorDestinationInstance.java

@@ -7,6 +7,7 @@
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 
 /**
  * Destination instance implementation for the {@link AnchorDestination}.
@@ -63,6 +64,15 @@ public boolean checkTeleportSafety() {
         return Option.of(anchorName);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        //TODO Localize
+        return Message.of("anchor '" + anchorName + "'");
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/BedDestinationInstance.java

@@ -9,12 +9,13 @@
 import org.jetbrains.annotations.Nullable;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 
 /**
  * Destination instance implementation for the {@link BedDestination}.
  */
 public final class BedDestinationInstance extends DestinationInstance<BedDestinationInstance, BedDestination> {
-    private final Player player;
+    private final @Nullable Player player;
 
     /**
      * Constructor.
@@ -64,6 +65,15 @@ public boolean checkTeleportSafety() {
         return Option.of(player != null ? player.getName() : BedDestination.OWN_BED_STRING);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        //TODO Localize
+        return Message.of(player == null ? "your bed/respawn point" : player.getName() + "'s bed/respawn point");
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/ExactDestination.java

@@ -23,14 +23,11 @@
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
 import org.mvplugins.multiverse.core.utils.REPatterns;
 import org.mvplugins.multiverse.core.utils.position.EntityPosition;
-import org.mvplugins.multiverse.core.utils.position.PositionNumber;
-import org.mvplugins.multiverse.core.utils.position.VectorPosition;
 import org.mvplugins.multiverse.core.utils.result.Attempt;
 import org.mvplugins.multiverse.core.utils.result.FailureReason;
 import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.entrycheck.WorldEntryCheckerProvider;
-import org.mvplugins.multiverse.core.world.location.UnloadedWorldLocation;
 
 import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.*;
 
@@ -68,6 +65,7 @@ public ExactDestination(CoreConfig config, WorldManager worldManager, WorldEntry
     public @NotNull ExactDestinationInstance fromLocation(@NotNull Location location) {
         return new ExactDestinationInstance(
                 this,
+                worldManager,
                 location.getWorld().getName(),
                 EntityPosition.ofLocation(location)
         );
@@ -88,6 +86,7 @@ public ExactDestination(CoreConfig config, WorldManager worldManager, WorldEntry
                         .map(location -> Attempt.<ExactDestinationInstance, InstanceFailureReason>success(
                                 new ExactDestinationInstance(
                                         this,
+                                        worldManager,
                                         location.getWorld().getName(),
                                         EntityPosition.ofLocation(location)
                                 )
@@ -112,7 +111,7 @@ public ExactDestination(CoreConfig config, WorldManager worldManager, WorldEntry
             return Attempt.failure(InstanceFailureReason.INVALID_NUMBER_FORMAT, Replace.ERROR.with(e));
         }
 
-        return Attempt.success(new ExactDestinationInstance(this, worldName, position));
+        return Attempt.success(new ExactDestinationInstance(this, worldManager, worldName, position));
     }
 
     //TODO: Extract to a world finder class

src/main/java/org/mvplugins/multiverse/core/destination/core/ExactDestinationInstance.java

@@ -9,14 +9,16 @@
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.utils.position.EntityPosition;
-import org.mvplugins.multiverse.core.utils.position.VectorPosition;
-import org.mvplugins.multiverse.core.world.location.UnloadedWorldLocation;
+import org.mvplugins.multiverse.core.world.MultiverseWorld;
+import org.mvplugins.multiverse.core.world.WorldManager;
 
 /**
  * Destination instance implementation for the {@link ExactDestination}.
  */
 public final class ExactDestinationInstance extends DestinationInstance<ExactDestinationInstance, ExactDestination> {
+    private final WorldManager worldManager;
     private final String worldName;
     private final EntityPosition position;
 
@@ -28,9 +30,11 @@ public final class ExactDestinationInstance extends DestinationInstance<ExactDes
      * @param position    The position in the world.
      */
     ExactDestinationInstance(@NotNull ExactDestination destination,
+                             @NotNull WorldManager worldManager,
                              @NotNull String worldName,
                              @NotNull EntityPosition position) {
         super(destination);
+        this.worldManager = worldManager;
         this.worldName = worldName;
         this.position = position;
     }
@@ -73,6 +77,17 @@ public boolean checkTeleportSafety() {
         return Option.of(worldName);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        String displayWorldName = worldManager.getWorld(worldName)
+                .map(MultiverseWorld::getAliasOrName)
+                .getOrElse(worldName);
+        return Message.of(displayWorldName + " at " + position.toString());
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/PlayerDestinationInstance.java

@@ -9,6 +9,7 @@
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
+import org.mvplugins.multiverse.core.locale.message.Message;
 
 import java.util.UUID;
 
@@ -66,6 +67,14 @@ public boolean checkTeleportSafety() {
         return Option.of(playerName);
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        return Message.of(playerName);
+    }
+
     /**
      * {@inheritDoc}
      */

src/main/java/org/mvplugins/multiverse/core/destination/core/WorldDestinationInstance.java

@@ -8,12 +8,9 @@
 import org.jetbrains.annotations.Nullable;
 
 import org.mvplugins.multiverse.core.destination.DestinationInstance;
-import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
+import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 
-import java.lang.ref.Reference;
-import java.lang.ref.WeakReference;
-
 /**
  * Destination instance implementation for the {@link WorldDestination}.
  */
@@ -87,6 +84,14 @@ public boolean checkTeleportSafety() {
         return Option.of(world.getName());
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public @NotNull Message getDisplayMessage() {
+        return Message.of(world.getAliasOrName());
+    }
+
     /**
      * {@inheritDoc}
      */