Unity-MCP

/* ┌──────────────────────────────────────────────────────────────────┐ │ Author: Ivan Murzak (https://github.com/IvanMurzak) │ │ Repository: GitHub (https://github.com/IvanMurzak/Unity-MCP) │ │ Copyright (c) 2025 Ivan Murzak │ │ Licensed under the Apache License, Version 2.0. │ │ See the LICENSE file in the project root for more information. │ └──────────────────────────────────────────────────────────────────┘ */ #nullable enable using System; using System.IO; using System.Linq; using System.Text.Json; using Microsoft.Extensions.Logging; using UnityEngine; namespace com.IvanMurzak.Unity.MCP { public partial class UnityMcpPlugin { public static string ResourcesFileName => "AI-Game-Developer-Config"; public static string AssetsFilePath => $"Assets/Resources/{ResourcesFileName}.json"; #if UNITY_EDITOR public static TextAsset AssetFile => UnityEditor.AssetDatabase.LoadAssetAtPath<TextAsset>(AssetsFilePath); public static void InvalidateAssetFile() => UnityEditor.AssetDatabase.ImportAsset(AssetsFilePath, UnityEditor.ImportAssetOptions.ForceUpdate); public static void MarkAssetFileDirty() => UnityEditor.EditorUtility.SetDirty(AssetFile); #endif UnityConnectionConfig GetOrCreateConfig() => GetOrCreateConfig(out _); UnityConnectionConfig GetOrCreateConfig(out bool wasCreated) { wasCreated = false; try { #if UNITY_EDITOR var json = Application.isPlaying ? UnityEngine.Resources.Load<TextAsset>(ResourcesFileName).text : File.Exists(AssetsFilePath) ? File.ReadAllText(AssetsFilePath) : null; #else var json = UnityEngine.Resources.Load<TextAsset>(ResourcesFileName).text; #endif UnityConnectionConfig? config = null; try { config = string.IsNullOrWhiteSpace(json) ? null : JsonSerializer.Deserialize<UnityConnectionConfig>(json, new JsonSerializerOptions { PropertyNameCaseInsensitive = true }); } catch (Exception e) { _logger.LogCritical(e, "{method}: <color=red><b>{file}</b> file is corrupted at <i>{path}</i></color>", nameof(GetOrCreateConfig), ResourcesFileName, AssetsFilePath); } if (config == null) { _logger.LogWarning("{method}: <color=orange><b>Creating {file}</b> file at <i>{path}</i></color>", nameof(GetOrCreateConfig), ResourcesFileName, AssetsFilePath); config = new UnityConnectionConfig(); wasCreated = true; } return config; } catch (Exception e) { _logger.LogCritical(e, "{method}: <color=red><b>{file}</b> file can't be loaded from <i>{path}</i></color>", nameof(GetOrCreateConfig), ResourcesFileName, AssetsFilePath); throw e; } } public void Save() { #if UNITY_EDITOR Validate(); try { var directory = Path.GetDirectoryName(AssetsFilePath); if (!Directory.Exists(directory)) Directory.CreateDirectory(directory); unityConnectionConfig ??= new UnityConnectionConfig(); var enabledToolNames = Tools?.GetAllTools() ?.Select(t => new UnityConnectionConfig.McpFeature(t.Name, Tools.IsToolEnabled(t.Name))) ?.ToList(); var enabledPromptNames = Prompts?.GetAllPrompts() ?.Select(p => new UnityConnectionConfig.McpFeature(p.Name, Prompts.IsPromptEnabled(p.Name))) ?.ToList(); var enabledResourceNames = Resources?.GetAllResources() ?.Select(r => new UnityConnectionConfig.McpFeature(r.Name, Resources.IsResourceEnabled(r.Name))) ?.ToList(); unityConnectionConfig.Tools = enabledToolNames != null && enabledToolNames.Count > 0 ? enabledToolNames : UnityConnectionConfig.DefaultTools; unityConnectionConfig.Prompts = enabledPromptNames != null && enabledPromptNames.Count > 0 ? enabledPromptNames : UnityConnectionConfig.DefaultPrompts; unityConnectionConfig.Resources = enabledResourceNames != null && enabledResourceNames.Count > 0 ? enabledResourceNames : UnityConnectionConfig.DefaultResources; var json = JsonSerializer.Serialize(unityConnectionConfig, new JsonSerializerOptions { WriteIndented = true, PropertyNamingPolicy = JsonNamingPolicy.CamelCase }); File.WriteAllText(AssetsFilePath, json); var assetFile = AssetFile; if (assetFile != null) UnityEditor.EditorUtility.SetDirty(assetFile); else UnityEditor.AssetDatabase.Refresh(UnityEditor.ImportAssetOptions.ForceSynchronousImport); } catch (Exception e) { _logger.LogCritical(e, "{method}: <color=red><b>{file}</b> file can't be saved at <i>{path}</i></color>", nameof(Save), ResourcesFileName, AssetsFilePath); } #else // do nothing in runtime builds return; #endif } } }