Added AdminSetspawnCommand

#441

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

@@ -0,0 +1,51 @@
+package world.bentobox.bentobox.api.commands.admin;
+
+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;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * Admin command (only player) to set an island as the world's spawn.
+ * @author Poslovitch
+ * @since 1.1
+ */
+public class AdminSetspawnCommand extends ConfirmableCommand {
+
+    public AdminSetspawnCommand(CompositeCommand parent) {
+        super(parent, "setspawn");
+    }
+
+    @Override
+    public void setup() {
+        setPermission("admin.setspawn");
+        setOnlyPlayer(true);
+        setDescription("commands.admin.setspawn.description");
+    }
+
+    @Override
+    public boolean execute(User user, String label, List<String> args) {
+        Optional<Island> island = getIslands().getIslandAt(user.getLocation());
+
+        if (island.isPresent()) {
+            // Check if the island is already a spawn
+            if (island.map(Island::isSpawn).orElse(false)) {
+                user.sendMessage("commands.admin.setspawn.already-spawn");
+                return false;
+            }
+
+            // Everything's fine, we can set the island as spawn :)
+            askConfirmation(user, "commands.admin.setspawn.confirmation", () -> {
+                getIslands().setSpawn(island.get());
+                user.sendMessage("general.success");
+            });
+            return true;
+        } else {
+            user.sendMessage("commands.admin.setspawn.no-island-here");
+            return false;
+        }
+    }
+}

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

@@ -154,6 +154,11 @@ commands:
       description: "set a player's rank on their island"
       unknown-rank: "&cUnknown rank!"
       rank-set: "&aRank set from [from] to [to]."
+    setspawn:
+      description: "set an Island as spawn for this world"
+      already-spawn: "&cThis island is already a spawn!"
+      no-island-here: "&cThere is no island here."
+      confirmation: "&cAre you sure you want to set this Island as the spawn for this world?"
     schem:
       parameters: "<load/copy/paste/pos1/pos2/save>"
       description: "manipulate schems"