made a separate method for async form sending

src/main/java/ru/contentforge/formconstructor/FormConstructor.java

@@ -6,7 +6,7 @@
 import cn.nukkit.event.player.PlayerFormRespondedEvent;
 import cn.nukkit.plugin.PluginBase;
 import ru.contentforge.formconstructor.form.Form;
-import ru.contentforge.formconstructor.task.FormHandlingAsyncTask;
+import ru.contentforge.formconstructor.task.FormHandlingTask;
 
 public class FormConstructor extends PluginBase implements Listener {
 
@@ -19,11 +19,15 @@ public void onEnable() {
     void onFormResponded(PlayerFormRespondedEvent event){
         if(!(event.getWindow() instanceof Form)) return;
 
-        getServer().getScheduler().scheduleAsyncTask(this, new FormHandlingAsyncTask(
+        Form form = (Form) event.getWindow();
+        FormHandlingTask handler = new FormHandlingTask(
                 event.getResponse(),
                 (Form) event.getWindow(),
                 event.getPlayer()
-        ));
+        );
+
+        if(form.isAsync()) getServer().getScheduler().scheduleAsyncTask(this, handler);
+        else handler.onRun();
     }
 
 }

src/main/java/ru/contentforge/formconstructor/form/Form.java

@@ -2,10 +2,19 @@
 
 import cn.nukkit.Player;
 import cn.nukkit.form.window.FormWindow;
+import lombok.Getter;
 
 abstract public class Form extends FormWindow {
 
+    @Getter protected transient boolean async = false;
+
     public void send(Player player){
+        async = false;
+        player.showFormWindow(this);
+    }
+
+    public void sendAsync(Player player){
+        async = true;
         player.showFormWindow(this);
     }
 

src/main/java/ru/contentforge/formconstructor/task/FormHandlingAsyncTask.java → src/main/java/ru/contentforge/formconstructor/task/FormHandlingTask.java

@@ -10,13 +10,13 @@
 import ru.contentforge.formconstructor.form.response.ModalFormResponse;
 import ru.contentforge.formconstructor.form.response.SimpleFormResponse;
 
-public class FormHandlingAsyncTask extends AsyncTask {
+public class FormHandlingTask extends AsyncTask {
 
     private final FormResponse response;
     private final Form form;
     private final Player player;
 
-    public FormHandlingAsyncTask(FormResponse response, Form form, Player player){
+    public FormHandlingTask(FormResponse response, Form form, Player player){
         this.response = response;
         this.form = form;
         this.player = player;

src/main/resourses/plugin.yml

@@ -1,6 +1,6 @@
 name: FormConstructor
 author: qPexLegendary
-version: 1.1.2
+version: 1.1.3
 description: "Library for easy creating and handling of forms"
 api: 1.0.9
 main: ru.contentforge.formconstructor.FormConstructor