unity_desktop_embedder 1.0.0

Flutter plugin for embedding Unity textures into desktop applications using shared RAM.

example/lib/main.dart

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:unity_desktop_embedder/unity_desktop_embedder.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  late final _embedder = UnityDesktopEmbedder(
    onError: (e) => setState(() => _statusMessage = "Error: $e"),
  );

  int? _textureId;
  String _statusMessage =
      "Press 'Start unity' to launch the Unity executable and start texture sharing";
  bool _isLaunching = false;

  //Provide the path to your Unity executable here!
  final String _unityPath = Platform.isMacOS
      ? '/path/to/Example'
      : 'C:/path/to/Example.exe';

  Future<void> _startUnity() async {
    setState(() {
      _isLaunching = true;
      _statusMessage = "Launching...";
    });

    try {
      //Texture sizes must match the Unity project settings!
      final id = await _embedder.initialize(
        width: 1280,
        height: 800,
        executablePath: _unityPath,
      );
      if (!mounted) return;
      setState(() {
        _textureId = id != -1 ? id : null;
        _isLaunching = false;
        _statusMessage = id != -1 ? "Running (ID: $id)" : "Failed to register";
      });
    } catch (e) {
      setState(() {
        _isLaunching = false;
        _statusMessage = "Error: $e";
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('Unity Desktop Embedder')),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              Text(_statusMessage),
              const SizedBox(height: 20),
              Expanded(
                child: Center(
                  child: switch ((_textureId, _isLaunching)) {
                    (int id, _) => UnityDesktopTexture(textureId: id),
                    (_, true) => const CircularProgressIndicator(),
                    _ => TextButton(
                      onPressed: _startUnity,
                      child: const Text('Start Unity'),
                    ),
                  },
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }

  @override
  void dispose() {
    _embedder.dispose();
    super.dispose();
  }
}