Code Patterns

package dev.myplugin.example;


// import dev.myplugin.example.AdminUIIndexRegistry;  // Anonymized
// import dev.myplugin.example.PermissionList;  // Anonymized
import com.hypixel.hytale.component.Ref;
import com.hypixel.hytale.component.Store;
import com.hypixel.hytale.protocol.GameMode;
import com.hypixel.hytale.server.core.command.system.CommandContext;
import com.hypixel.hytale.server.core.command.system.CommandSender;
import com.hypixel.hytale.server.core.command.system.basecommands.AbstractAsyncCommand;
import com.hypixel.hytale.server.core.entity.entities.Player;
import com.hypixel.hytale.server.core.universe.PlayerRef;
import com.hypixel.hytale.server.core.universe.world.World;
import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
import org.checkerframework.checker.nullness.compatqual.NonNullDecl;

import java.util.concurrent.CompletableFuture;

import static com.hypixel.hytale.server.core.command.commands.player.inventory.InventorySeeCommand.MESSAGE_COMMANDS_ERRORS_PLAYER_NOT_IN_WORLD;

public class ExampleCommand extends AbstractAsyncCommand {

    private final AdminUIIndexRegistry.Entry entry;

    public ExampleCommand(AdminUIIndexRegistry.Entry entry) {
        super(entry.commandShortcut()[0], entry.displayName());
        this.setPermissionGroup(GameMode.Creative);
        this.entry = entry;
        if (entry.commandShortcut().length > 1) {
            for (int i = 1; i < entry.commandShortcut().length; i++) {
                this.addAliases(entry.commandShortcut()[i]);
            }
        }
        this.requirePermission(entry.permission().getPermission());
    }

    @NonNullDecl
    @Override
    protected CompletableFuture<Void> executeAsync(CommandContext commandContext) {
        CommandSender sender = commandContext.sender();
        if (sender instanceof Player player) {
            player.getWorldMapTracker().tick(0);
            Ref<EntityStore> ref = player.getReference();
            if (ref != null && ref.isValid()) {
                Store<EntityStore> store = ref.getStore();
                World world = store.getExternalData().getWorld();
                return CompletableFuture.runAsync(() -> {
                    PlayerRef playerRefComponent = store.getComponent(ref, PlayerRef.getComponentType());
                    if (playerRefComponent != null) {
                        player.getPageManager().openCustomPage(ref, store, entry.guiSupplier().apply(playerRefComponent));
                    }
                }, world);
            } else {
                commandContext.sendMessage(MESSAGE_COMMANDS_ERRORS_PLAYER_NOT_IN_WORLD);
                return CompletableFuture.completedFuture(null);
            }
        } else {
            return CompletableFuture.completedFuture(null);
        }
    }
}