unity: Add package.

Author: freezy

.gitignore

@@ -69,7 +69,6 @@ StyleCopReport.xml
 *_p.c
 *_h.h
 *.ilk
-*.meta
 *.obj
 *.iobj
 *.pch

VisualPinball.Engine.Mpf.Unity/Editor.meta

@@ -0,0 +1,34 @@
+// Visual Pinball Engine
+// Copyright (C) 2021 freezy and VPE Team
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+using UnityEditor;
+using UnityEngine;
+
+namespace VisualPinball.Engine.Mpf.Unity.Editor
+{
+	[CustomEditor(typeof(MpfGamelogicEngine))]
+	public class MpfGamelogicEngineInspector : UnityEditor.Editor
+	{
+		private MpfGamelogicEngine _mpfEngine;
+
+		private void OnEnable()
+		{
+			_mpfEngine = target as MpfGamelogicEngine;
+		}
+
+		public override void OnInspectorGUI()
+		{
+			if (GUILayout.Button("Refresh")) {
+				_mpfEngine.RefreshFromMpf();
+			}
+		}
+	}
+}

VisualPinball.Engine.Mpf.Unity/Editor/MpfGamelogicEngineInspector.cs

@@ -0,0 +1,17 @@
+{
+	"name": "VisualPinball.Engine.Mpf.Unity.Editor",
+	"rootNamespace": "VisualPinball.Engine.Mpf.Unity.Editor",
+	"references": [
+		"VisualPinball.Unity",
+		"VisualPinball.Engine.Mpf.Unity"
+	],
+	"includePlatforms": [ "Editor" ],
+	"excludePlatforms": [],
+	"allowUnsafeCode": true,
+	"overrideReferences": false,
+	"precompiledReferences": [],
+	"autoReferenced": true,
+	"defineConstraints": [],
+	"versionDefines": [],
+	"noEngineReferences": false
+}

VisualPinball.Engine.Mpf.Unity/Editor/MpfGamelogicEngineInspector.cs.meta

@@ -0,0 +1,63 @@
+// Visual Pinball Engine
+// Copyright (C) 2021 freezy and VPE Team
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+using Mpf.Vpe;
+
+namespace VisualPinball.Engine.Mpf.Unity
+{
+	public class MpfApi : IDisposable
+	{
+		private readonly MpfClient _client = new MpfClient();
+		private readonly MpfSpawner _spawner;
+
+		public MpfApi(string machineFolder)
+		{
+			_spawner = new MpfSpawner(Path.GetFullPath(machineFolder));
+		}
+
+		/// <summary>
+		/// Launches MPF in the background and connects to it via gRPC.
+		/// </summary>
+		/// <param name="port">gRPC port to use for MPC/VPE communication</param>
+		/// <returns></returns>
+		public async Task Launch(int port = 50051)
+		{
+			await _spawner.Spawn();
+			await _client.Connect($"localhost:{port}");
+		}
+
+		/// <summary>
+		/// Starts MPF, i.e. it will start polling for switches and sending events.
+		/// </summary>
+		/// <param name="initialSwitches">Initial switch states of the machine</param>
+		public void Start(Dictionary<string, bool> initialSwitches = null)
+		{
+			_client.Start(initialSwitches ?? new Dictionary<string, bool>());
+		}
+
+		/// <summary>
+		/// Returns the machine description.
+		/// </summary>
+		public async Task<MachineDescription> GetMachineDescription()
+		{
+			return await _client.GetMachineDescription();
+		}
+
+		public void Dispose()
+		{
+			_client?.Dispose();
+		}
+	}
+}