Improve teleporting #2524 - this commit has debug.

src/main/java/world/bentobox/bentobox/api/commands/island/IslandGoCommand.java

@@ -37,7 +37,7 @@ public boolean canExecute(User user, String label, List<String> args) {
         // Check if mid-teleport
         if (getIslands().isGoingHome(user)) {
             // Tell them again that it's in progress
-            user.sendMessage("commands.island.go.teleport");
+            user.sendMessage("commands.island.go.in-progress");
             return false;
         }
         List<Island> islands = getIslands().getIslands(getWorld(), user.getUniqueId());
@@ -76,7 +76,15 @@ public boolean execute(User user, String label, List<String> args) {
                 getIslands().setPrimaryIsland(user.getUniqueId(), info.island);
                 if (!info.islandName) {
                     this.delayCommand(user, () -> getIslands().homeTeleportAsync(getWorld(), user.getPlayer(), name)
-                            .thenAccept((r) -> getIslands().setPrimaryIsland(user.getUniqueId(), info.island)));
+                            .thenAccept((r) -> {
+                                if (r.booleanValue()) {
+                                    // Success
+                                    getIslands().setPrimaryIsland(user.getUniqueId(), info.island);
+                                } else {
+                                    user.sendMessage("commands.island.go.failure");
+                                    getPlugin().logError(user.getName() + " could not teleprot to their island - async teleport issue");
+                                }
+                            }));
                     return true;
                 }
             }

src/main/java/world/bentobox/bentobox/managers/IslandsManager.java

@@ -650,6 +650,7 @@ public Optional<Island> getProtectedIslandAt(@NonNull Location location) {
      */
     private CompletableFuture<Location> getAsyncSafeHomeLocation(@NonNull World world, @NonNull User user,
             String homeName) {
+        BentoBox.getInstance().logDebug("Getting safe home location for " + user.getName());
         CompletableFuture<Location> result = new CompletableFuture<>();
         // Check if the world is a gamemode world and the player has an island
         Location islandLoc = getIslandLocation(world, user.getUniqueId());
@@ -669,10 +670,16 @@ private CompletableFuture<Location> getAsyncSafeHomeLocation(@NonNull World worl
         Location namedHome = homeName.isBlank() ? null : getHomeLocation(world, user, name);
         Location l = namedHome != null ? namedHome : defaultHome;
         if (l != null) {
+            BentoBox.getInstance().logDebug("Loading the destination chunk asyc for " + user.getName());
+            long time = System.currentTimeMillis();
             Util.getChunkAtAsync(l).thenRun(() -> {
+                long duration = System.currentTimeMillis() - time;
+                BentoBox.getInstance().logDebug("Chunk loaded asyc for " + user.getName() + " in " + duration + "ms");
+                BentoBox.getInstance().logDebug("Checking if the location is safe for " + user.getName());
                 // Check if it is safe
                 if (isSafeLocation(l)) {
                     result.complete(l);
+                    BentoBox.getInstance().logDebug("Location is safe for " + user.getName());
                     return;
                 }
                 // To cover slabs, stairs and other half blocks, try one block above
@@ -681,51 +688,64 @@ private CompletableFuture<Location> getAsyncSafeHomeLocation(@NonNull World worl
                     // Adjust the home location accordingly
                     setHomeLocation(user, lPlusOne, name);
                     result.complete(lPlusOne);
+                    BentoBox.getInstance().logDebug("Location is safe for " + user.getName());
                     return;
                 }
                 // Try island
                 tryIsland(result, islandLoc, user, name);
             });
             return result;
         }
+        BentoBox.getInstance().logDebug("No home locations found for " + user.getName());
         // Try island
         tryIsland(result, islandLoc, user, name);
         return result;
     }
 
     private void tryIsland(CompletableFuture<Location> result, Location islandLoc, @NonNull User user, String name) {
+        BentoBox.getInstance().logDebug(user.getName() + ": we need to try other locations on the island. Load the island center chunk async...");
+        long time = System.currentTimeMillis();
         Util.getChunkAtAsync(islandLoc).thenRun(() -> {
+            long duration = System.currentTimeMillis() - time;
+            BentoBox.getInstance().logDebug("Island center chunk loaded for " + user.getName() + " in " + duration + "ms");
             World w = islandLoc.getWorld();
             if (isSafeLocation(islandLoc)) {
+                BentoBox.getInstance().logDebug("Location is safe for " + user.getName());
                 setHomeLocation(user, islandLoc, name);
                 result.complete(islandLoc.clone().add(new Vector(0.5D, 0, 0.5D)));
                 return;
             } else {
+                BentoBox.getInstance().logDebug("Location is not safe for " + user.getName());
                 // If these island locations are not safe, then we need to get creative
                 // Try the default location
                 Location dl = islandLoc.clone().add(new Vector(0.5D, 5D, 2.5D));
                 if (isSafeLocation(dl)) {
                     setHomeLocation(user, dl, name);
                     result.complete(dl);
+                    BentoBox.getInstance().logDebug("Found that the default spot is safe " + user.getName());
                     return;
                 }
                 // Try just above the bedrock
                 dl = islandLoc.clone().add(new Vector(0.5D, 5D, 0.5D));
                 if (isSafeLocation(dl)) {
                     setHomeLocation(user, dl, name);
                     result.complete(dl);
+                    BentoBox.getInstance().logDebug("Location above bedrock is safe for " + user.getName());
                     return;
                 }
+                BentoBox.getInstance().logDebug("Trying all locations up to max height above bedrock for " + user.getName());
                 // Try all the way up to the sky
                 for (int y = islandLoc.getBlockY(); y < w.getMaxHeight(); y++) {
                     dl = new Location(w, islandLoc.getX() + 0.5D, y, islandLoc.getZ() + 0.5D);
                     if (isSafeLocation(dl)) {
                         setHomeLocation(user, dl, name);
                         result.complete(dl);
+                        BentoBox.getInstance().logDebug("Location is safe for " + user.getName());
                         return;
                     }
                 }
             }
+            BentoBox.getInstance().logDebug("Nowhere is safe for " + user.getName());
             result.complete(null);
         });
 
@@ -1051,21 +1071,27 @@ private CompletableFuture<Boolean> homeTeleportAsync(@NonNull World world, @NonN
         user.sendMessage("commands.island.go.teleport");
         goingHome.add(user.getUniqueId());
         readyPlayer(player);
+        BentoBox.getInstance().logDebug(user.getName() + " is going home");
         this.getAsyncSafeHomeLocation(world, user, name).thenAccept(home -> {
             Island island = getIsland(world, user);
             if (home == null) {
+                BentoBox.getInstance().logDebug("Try to fix this teleport location and teleport the player if possible " + user.getName());
                 // Try to fix this teleport location and teleport the player if possible
                 new SafeSpotTeleport.Builder(plugin).entity(player).island(island).homeName(name)
                         .thenRun(() -> teleported(world, user, name, newIsland, island))
                         .ifFail(() -> goingHome.remove(user.getUniqueId())).buildFuture().thenAccept(result::complete);
                 return;
             }
+            BentoBox.getInstance().logDebug("Teleporting " + player.getName() + " async");
+            long time = System.currentTimeMillis();
             PaperLib.teleportAsync(Objects.requireNonNull(player), home).thenAccept(b -> {
                 // Only run the commands if the player is successfully teleported
                 if (Boolean.TRUE.equals(b)) {
+                    BentoBox.getInstance().logDebug("Teleported " + player.getName() + " async - took " + (System.currentTimeMillis() - time) + "ms");
                     teleported(world, user, name, newIsland, island);
                     result.complete(true);
                 } else {
+                    BentoBox.getInstance().logDebug("Failed to teleport " + player.getName() + " async! - took " + (System.currentTimeMillis() - time) + "ms");
                     // Remove from mid-teleport set
                     goingHome.remove(user.getUniqueId());
                     result.complete(false);

src/main/java/world/bentobox/bentobox/util/teleport/SafeSpotTeleport.java

@@ -279,7 +279,11 @@ void teleportEntity(final Location loc) {
         task.cancel();
         // Return to main thread and teleport the player
         Bukkit.getScheduler().runTask(plugin, () -> {
+            BentoBox.getInstance().logDebug("Home number = " + homeNumber + " Home name = '" + homeName + "'");
+            plugin.getIslands().getIslandAt(loc).ifPresent(is -> 
+            plugin.getIslands().getHomeLocations(is).forEach((k,v) -> BentoBox.getInstance().logDebug("'" + k + "' => " + v)));
             if (!portal && entity instanceof Player && (homeNumber > 0 || !homeName.isEmpty())) {
+                BentoBox.getInstance().logDebug("Setting home");
                 // Set home if so marked
                 plugin.getIslands().setHomeLocation(User.getInstance(entity), loc, homeName);
             }

src/main/resources/locales/en-US.yml

@@ -548,7 +548,9 @@ commands:
       parameters: '[home name]'
       description: teleport you to your island
       teleport: '&a Teleporting you to your island.'
+      in-progress: '&a Teleporting in progress, please wait...'
       teleported: '&a Teleported you to home &e [number].'
+      failure: '&c Teleporting failed for some reason. Please try again later.'
       unknown-home: '&c Unknown home name!'
     help:
       description: the main island command