Added warning dialog about unmet dependencies

BSIPA-ModList/BSIPA-ModList.csproj

@@ -88,6 +88,7 @@
     <Compile Include="UI\ViewControllers\ModCells.cs" />
     <Compile Include="UI\ViewControllers\ModInfoViewController.cs" />
     <Compile Include="UI\ViewControllers\ModListController.cs" />
+    <Compile Include="UI\WarningUI.cs" />
     <Compile Include="Utilities.cs" />
   </ItemGroup>
   <ItemGroup>

BSIPA-ModList/Plugin.cs

@@ -97,6 +97,9 @@ namespace BSIPA_ModList
 
                 if (ButtonUI.Instance == null)
                     new GameObject("BSIPA Mod List Object").AddComponent<ButtonUI>().Init();
+
+                if (WarningUI.Instance == null)
+                    new GameObject("BSIPA Mod List Warning UI").AddComponent<WarningUI>().Init();
             }
         }
 

BSIPA-ModList/UI/WarningUI.cs

@@ -0,0 +1,149 @@
+using IPA.Loader;
+using IPA.Utilities;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace BSIPA_ModList.UI
+{
+    internal struct WarningEntry
+    {
+        public string ModName;
+        public string[] MissingDependencies;
+        public string[] DisabledDependencies;
+
+        public WarningEntry(string modName, string[] missingDependencies, string[] disabledDependencies)
+        {
+            ModName = modName;
+            MissingDependencies = missingDependencies;
+            DisabledDependencies = disabledDependencies;
+        }
+    }
+
+    internal class WarningUI : MonoBehaviour
+    {
+        internal static WarningUI Instance;
+        internal static bool firstShow = true;
+
+        public void Awake()
+        {
+            DontDestroyOnLoad(gameObject);
+            SceneManager.activeSceneChanged += this.SceneManager_activeSceneChanged;
+        }
+
+        private void SceneManager_activeSceneChanged(Scene from, Scene to)
+        {
+            if (to.name == "EmptyTransition")
+            {
+                if (Instance != null)
+                {
+                    Instance.StopAllCoroutines();
+                    Destroy(Instance.gameObject);
+                    _mainFlow = null;
+                }
+                Instance = null;
+            }
+        }
+
+        public void Init()
+        {
+            Instance = this;
+
+            Logger.log.Debug("Warning UI Awake");
+            if (firstShow)
+            {
+                firstShow = false;
+                StartCoroutine(LookForUnmetDependencies());
+            }
+        }
+
+        private static MainFlowCoordinator _mainFlow;
+        private static SimpleDialogPromptViewController _warningDialog;
+        private static Queue<WarningEntry> _warningsQueue = new Queue<WarningEntry>();
+
+        private static IEnumerator LookForUnmetDependencies()
+        {
+            Logger.log.Debug("Waiting for MainFlowCoordinator to appear...");
+
+            yield return new WaitWhile(() => FindObjectOfType<MainFlowCoordinator>() == null);
+
+            Logger.log.Debug("Looking for unmet dependencies...");
+
+            lock (Instance)
+            {
+                if (_mainFlow == null)
+                {
+                    _mainFlow = FindObjectOfType<MainFlowCoordinator>();
+                    _warningDialog = _mainFlow.GetPrivateField<SimpleDialogPromptViewController>("_simpleDialogPromptViewController");
+                }
+
+                _warningsQueue.Clear();
+                Dictionary<string, SemVer.Version> loadedPlugins = PluginManager.AllPlugins.Select(x => x.Metadata).Concat(PluginManager.DisabledPlugins).Concat(PluginLoader.ignoredPlugins).ToDictionary(x => x.Id, y => y.Version);
+
+                foreach (var meta in PluginManager.AllPlugins.Select(x => x.Metadata).Concat(PluginManager.DisabledPlugins).Concat(PluginLoader.ignoredPlugins))
+                {
+                    List<string> disabledDependencies = new List<string>();
+                    List<string> missingDependencies = new List<string>();
+                    foreach (var dep in meta.Manifest.Dependencies)
+                    {
+#if DEBUG
+                        Logger.log.Debug($"Looking for dependency {dep.Key} with version range {dep.Value.Intersect(new SemVer.Range("*.*.*"))}");
+#endif
+                        if (loadedPlugins.ContainsKey(dep.Key) && dep.Value.IsSatisfied(loadedPlugins[dep.Key]))
+                            continue;
+
+                        if (loadedPlugins.ContainsKey(dep.Key) && dep.Value.IsSatisfied(loadedPlugins[dep.Key]))
+                        {
+                            Logger.log.Debug($"Dependency {dep.Key} was found, but disabled.");
+                            disabledDependencies.Add($"{dep.Key}@{dep.Value.ToString()}");
+                        }
+                        else
+                        {
+                            Logger.log.Debug($"{meta.Name} is missing dependency {dep.Key}@{dep.Value}");
+                            missingDependencies.Add($"{dep.Key}@{dep.Value.ToString()}");
+                        }
+                    }
+
+                    if(disabledDependencies.Count > 0 || missingDependencies.Count > 0)
+                    {
+                        _warningsQueue.Enqueue(new WarningEntry(meta.Name, missingDependencies.ToArray(), disabledDependencies.ToArray()));
+                    }
+                }
+
+                if (_warningsQueue.Count > 0)
+                {
+                    yield return new WaitWhile(() => !_mainFlow.isActivated);
+
+                    ShowWarningDialog();
+                }
+                
+                yield break;
+            }
+        }
+
+        private static void ShowWarningDialog()
+        {
+            WarningEntry warning = _warningsQueue.Dequeue();
+            _warningDialog.Init("Unmet Dependencies", $"Mod <b>{warning.ModName}</b> has unmet dependencies!" +
+                                                        (warning.MissingDependencies.Length > 0 ? $"\nMissing:\n<color=red>{string.Join("\n", warning.MissingDependencies)}</color>" : "") +
+                                                        (warning.DisabledDependencies.Length > 0 ? $"\nDisabled:\n<color=#C2C2C2>{string.Join("\n", warning.DisabledDependencies)}</color>" : "")
+                                                        , "Okay", WarningDialogDidFinish);
+            _mainFlow.InvokePrivateMethod("PresentViewController", _warningDialog, null, true);
+        }
+
+        private static void WarningDialogDidFinish(int button)
+        {
+            _mainFlow.InvokePrivateMethod("DismissViewController", _warningDialog, null, (_warningsQueue.Count > 0));
+
+            if (_warningsQueue.Count > 0)
+            {
+                ShowWarningDialog();
+            }
+        }
+    }
+}