Add AdminSetSpawnPointCommand to change an island's spawn point (#1295)

Implements #937.

src/main/java/world/bentobox/bentobox/api/commands/admin/AdminSetSpawnPointCommand.java

@@ -0,0 +1,94 @@
+package world.bentobox.bentobox.api.commands.admin;
+
+
+import org.bukkit.World;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+
+import world.bentobox.bentobox.api.commands.CompositeCommand;
+import world.bentobox.bentobox.api.commands.ConfirmableCommand;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.database.objects.Island;
+
+
+/**
+ * This command sets spawn point for island at admin location for island on which admin is located.
+ * This command is only for player entity.
+ * @author BONNe
+ * @since 1.13.0
+ */
+public class AdminSetSpawnPointCommand extends ConfirmableCommand
+{
+    /**
+     * Sub-command constructor
+     *
+     * @param parent - the parent composite command
+     */
+    public AdminSetSpawnPointCommand(CompositeCommand parent)
+    {
+        super(parent, "setspawnpoint");
+    }
+
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setup()
+    {
+        this.setPermission("admin.setspawnpoint");
+        this.setOnlyPlayer(true);
+        this.setDescription("commands.admin.setspawnpoint.description");
+    }
+
+
+    /**
+	 * This method finds an island in user location and asks confirmation if spawn point
+	 * must be changed to that location.
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean execute(User user, String label, List<String> args)
+    {
+        Optional<Island> optionalIsland = this.getIslands().getIslandAt(user.getLocation());
+
+        if (optionalIsland.isPresent() &&
+            (optionalIsland.get().hasNetherIsland() ||
+            !World.Environment.NETHER.equals(user.getLocation().getWorld().getEnvironment())) &&
+            (optionalIsland.get().hasEndIsland() ||
+            !World.Environment.THE_END.equals(user.getLocation().getWorld().getEnvironment())))
+        {
+            // Everything's fine, we can set the location as spawn point for island :)
+            this.askConfirmation(user, user.getTranslation("commands.admin.setspawnpoint.confirmation"),
+                () -> this.setSpawnPoint(user, optionalIsland.get()));
+
+            return true;
+        }
+        else
+        {
+            user.sendMessage("commands.admin.setspawnpoint.no-island-here");
+            return false;
+        }
+    }
+
+
+    /**
+     * This method changes spawn point for island at given user location.
+     * @param user User who initiate spawn point change.
+     * @param island Island which is targeted by user.
+     */
+    private void setSpawnPoint(User user, Island island)
+    {
+        island.setSpawnPoint(Objects.requireNonNull(user.getLocation().getWorld()).getEnvironment(),
+            user.getLocation());
+        user.sendMessage("commands.admin.setspawnpoint.success");
+
+        if (!island.isSpawn())
+        {
+            island.getPlayersOnIsland().forEach(player ->
+                User.getInstance(player).sendMessage("commands.admin.setspawnpoint.island-spawnpoint-changed",
+                    "[user]", user.getName()));
+        }
+    }
+}

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

@@ -246,6 +246,12 @@ commands:
       no-island-here: "&c There is no island here."
       confirmation: "&c Are you sure you want to set this island as the spawn for this world?"
       success: "&a Successfully set this island as the spawn for this world."
+    setspawnpoint:
+      description: "set current location as spawn point for this island"
+      no-island-here: "&c There is no island here."
+      confirmation: "&c Are you sure you want to set this location as the spawn point for this island?"
+      success: "&a Successfully set this location as the spawn point for this island."
+      island-spawnpoint-changed: "&a [user] changed this island spawn point."
     settings:
       parameters: "[player]"
       description: "open system settings or island settings for player"