Add SetSpawnCommand.java

plugin/src/main/java/com/alttd/essentia/commands/admin/SetSpawnCommand.java

@@ -0,0 +1,45 @@
+package com.alttd.essentia.commands.admin;
+
+import com.alttd.essentia.commands.EssentiaCommand;
+import com.alttd.essentia.configuration.Config;
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import io.papermc.paper.command.brigadier.CommandSourceStack;
+import io.papermc.paper.command.brigadier.Commands;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class SetSpawnCommand implements EssentiaCommand {
+
+    static String commandName = "setspawn";
+
+    @Override
+    public @NotNull LiteralCommandNode<CommandSourceStack> command() {
+        final LiteralArgumentBuilder<CommandSourceStack> builder =
+                Commands.literal(commandName)
+                        .requires(
+                                commandSourceStack -> commandSourceStack.getSender().hasPermission("essentia.command.admin." + commandName) &&
+                                        commandSourceStack.getSender() instanceof Player
+                        )
+                        .executes((source) -> {
+                            if (source.getSource().getSender() instanceof Player player)
+                                execute(player, player);
+
+                            return 1;
+                        });
+        return builder.build();
+    }
+
+    public void execute(CommandSender sender, Player target) {
+        // Todo - output messages
+        World world = target.getWorld();
+        world.setSpawnLocation(target.getLocation());
+        // TODO -- method in config to update & save
+        Config.config.set("spawn-world", world.getName());
+        Config.SPAWN_WORLD = world.getName();
+        Config.saveConfig();
+    }
+
+}

plugin/src/main/java/com/alttd/essentia/configuration/Config.java

@@ -66,7 +66,7 @@ public class Config {
         saveConfig();
     }
 
-    static void saveConfig() {
+    public static void saveConfig() {
         try {
             config.save(CONFIG_FILE);
         } catch (IOException ex) {