Unity Integration Overview

dependencies:
  gameframework: ^0.0.3
  gameframework_unity: ^0.0.3

flutter pub get

import 'package:gameframework_unity/gameframework_unity.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  UnityEnginePlugin.initialize();
  runApp(MyApp());
}

GameWidget(
  engineType: GameEngineType.unity,
  config: GameEngineConfig(
    runImmediately: true,
  ),
  onEngineCreated: (controller) {
    controller.sendMessage('GameManager', 'Start', '');
  },
)

using Xraph.GameFramework.Unity;

public class GameManager : FlutterMonoBehaviour
{
    // The Flutter-side target name for this object.
    protected override string TargetName => "GameManager";

    // Handlers are registered automatically by annotating methods with
    // [FlutterMethod]. This is invoked when Flutter sends
    // { target: "GameManager", method: "Start" }.
    [FlutterMethod("Start")]
    public void OnStart(string data)
    {
        StartGame();
    }

    void StartGame()
    {
        // Send a message back to Flutter (the target is implicit).
        SendToFlutter("GameStarted", "success");
    }
}

# Sync scripts to Unity project
game sync scripts --project /path/to/UnityProject

controller.sendMessage('ObjectName', 'MethodName', 'data');

SendToFlutter("MethodName", "data");

// Flutter
controller.sendMessage('Player', 'UpdateStats', jsonEncode({
  'health': 100,
  'level': 5,
}));

// Unity
var stats = JsonUtility.FromJson<PlayerStats>(data);