feat: add support for disabling preview on a pass or plugin basis

Closes: #296

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- [#297] Added UI for turning preview on/off at a plugin or pass level
 
 ### Fixed
 

Editor/API/Solver/PluginResolver.cs

@@ -6,6 +6,7 @@
 using System.Linq;
 using nadena.dev.ndmf.model;
 using nadena.dev.ndmf.preview;
+using nadena.dev.ndmf.preview.UI;
 
 #endregion
 
@@ -30,6 +31,7 @@ internal class ConcretePass
         internal IPass InstantiatedPass { get; }
         internal ImmutableList<Type> DeactivatePlugins { get; }
         internal ImmutableList<Type> ActivatePlugins { get; }
+        internal bool HasPreviews { get; set; }
 
         public void Execute(BuildContext context)
         {
@@ -49,9 +51,10 @@ internal ConcretePass(IPluginInternal plugin, IPass pass, ImmutableList<Type> de
 
     internal class PluginResolver
     {
-        internal PreviewSession PreviewSession { get; private set; }
         internal ImmutableList<(BuildPhase, IList<ConcretePass>)> Passes { get; }
 
+        private readonly List<SolverPass> _allPasses = new();
+
         public PluginResolver() : this(
             AppDomain.CurrentDomain.GetAssemblies().SelectMany(
                     assembly => assembly.GetCustomAttributes(typeof(ExportsPlugin), false))
@@ -71,8 +74,6 @@ public PluginResolver(IEnumerable<Type> plugins) : this(
 
         public PluginResolver(IEnumerable<IPluginInternal> pluginTemplates)
         {
-            PreviewSession = new PreviewSession();
-
             var solverContext = new SolverContext();
 
             foreach (var plugin in pluginTemplates)
@@ -156,6 +157,7 @@ public PluginResolver(IEnumerable<IPluginInternal> pluginTemplates)
 #endif
 
                 var sorted = TopoSort.DoSort(passes, constraints);
+                _allPasses.AddRange(sorted);
 
                 var concrete = ToConcretePasses(phase, sorted);
 
@@ -196,13 +198,11 @@ ImmutableList<ConcretePass> ToConcretePasses(BuildPhase phase, IEnumerable<Solve
                     }
                 }
 
-                concrete.Add(new ConcretePass(pass.Plugin, pass.Pass, toDeactivate.ToImmutableList(),
-                    toActivate.ToImmutableList()));
+                var concretePass = new ConcretePass(pass.Plugin, pass.Pass, toDeactivate.ToImmutableList(),
+                    toActivate.ToImmutableList());
+                concretePass.HasPreviews = pass.RenderFilters.Count > 0;
 
-                foreach (var filter in pass.RenderFilters)
-                {
-                    PreviewSession.AddMutator(new SequencePoint(), filter);
-                }
+                concrete.Add(concretePass);
             }
 
             if (activeExtensions.Count > 0)
@@ -219,5 +219,24 @@ ImmutableList<ConcretePass> ToConcretePasses(BuildPhase phase, IEnumerable<Solve
 
             return concrete.ToImmutableList();
         }
+
+        internal PreviewSession PreviewSession
+        {
+            get
+            {
+                var session = new PreviewSession();
+
+                foreach (var pass in _allPasses)
+                {
+                    if (!PreviewPrefs.instance.IsPreviewPluginEnabled(pass.Plugin.QualifiedName)) continue;
+
+                    if (PreviewPrefs.instance.IsPreviewPassEnabled(pass.Pass.QualifiedName))
+                        foreach (var filter in pass.RenderFilters)
+                            session.AddMutator(new SequencePoint(), filter);
+                }
+
+                return session;
+            }
+        }
     }
 }

Editor/GlobalInit.cs

@@ -1,6 +1,7 @@
 #region
 
 using nadena.dev.ndmf.preview;
+using nadena.dev.ndmf.preview.UI;
 using nadena.dev.ndmf.runtime;
 using UnityEditor;
 
@@ -19,6 +20,15 @@ static GlobalInit()
             {
                 var resolver = new PluginResolver();
                 PreviewSession.Current = resolver.PreviewSession;
+
+                PreviewPrefs.instance.OnPreviewConfigChanged += () =>
+                {
+                    var oldSession = PreviewSession.Current;
+                    PreviewSession.Current = resolver.PreviewSession;
+                    oldSession.Dispose();
+
+                    SceneView.RepaintAll();
+                };
             };
         }
     }

Editor/PreviewSystem/PreviewSession.cs

@@ -15,14 +15,14 @@ namespace nadena.dev.ndmf.preview
     ///
     /// (For now, this isn't very useful; use  `DeclaringPass.PreviewingWith` instead)
     /// </summary>
-    public class PreviewSession // : IDisposable
+    internal class PreviewSession // : IDisposable
     {
         #region Static State
 
         /// <summary>
         /// The PreviewSession used for any cameras not overriden using `OverrideCamera`.
         /// </summary>
-        public static PreviewSession Current { get; set; } = null;
+        public static PreviewSession Current { get; set; }
 
 #if FUTURE_API
         /// <summary>
@@ -48,27 +48,27 @@ public static void ClearCameraOverride(Camera target)
 
         internal IEnumerable<(Renderer, Renderer)> GetReplacements()
         {
-            return _session?.OnPreCull() ?? Enumerable.Empty<(Renderer, Renderer)>();
+            return _proxySession?.OnPreCull() ?? Enumerable.Empty<(Renderer, Renderer)>();
         }
 
         internal ImmutableDictionary<Renderer, Renderer> OriginalToProxyRenderer =>
-            _session?.OriginalToProxyRenderer ?? ImmutableDictionary<Renderer, Renderer>.Empty;
+            _proxySession?.OriginalToProxyRenderer ?? ImmutableDictionary<Renderer, Renderer>.Empty;
 
         internal ImmutableDictionary<GameObject, GameObject> OriginalToProxyObject =>
-            _session?.OriginalToProxyObject ?? ImmutableDictionary<GameObject, GameObject>.Empty;
+            _proxySession?.OriginalToProxyObject ?? ImmutableDictionary<GameObject, GameObject>.Empty;
 
         internal ImmutableDictionary<GameObject, GameObject> ProxyToOriginalObject =>
-            _session?.ProxyToOriginalObject ?? ImmutableDictionary<GameObject, GameObject>.Empty;
+            _proxySession?.ProxyToOriginalObject ?? ImmutableDictionary<GameObject, GameObject>.Empty;
 
         private readonly Sequencer _sequence = new Sequencer();
 
         private Dictionary<SequencePoint, IRenderFilter> _filters = new();
 
-        private ProxySession _session;
+        private readonly ProxySession _proxySession;
 
         public PreviewSession()
         {
-            _session = new ProxySession(ImmutableList<IRenderFilter>.Empty);
+            _proxySession = new ProxySession(ImmutableList<IRenderFilter>.Empty);
         }
 
         /// <summary>
@@ -117,7 +117,7 @@ void RebuildSequence()
             var sequence = _sequence.Sequence;
             var filters = sequence.Select(p => _filters.GetValueOrDefault(p)).Where(f => f != null).ToImmutableList();
 
-            _session.Filters = filters;
+            _proxySession.Filters = filters;
         }
 
 #if FUTURE_API
@@ -131,11 +131,11 @@ public PreviewSession Fork()
         {
             throw new NotImplementedException();
         }
-
+#endif
+
         public void Dispose()
         {
-            throw new NotImplementedException();
+            _proxySession.Dispose();
         }
-#endif
     }
 }

Editor/PreviewSystem/UI/PreviewPrefs.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using UnityEditor;
+using UnityEngine;
+
+namespace nadena.dev.ndmf.preview.UI
+{
+    internal class PreviewPrefs : ScriptableSingleton<PreviewPrefs>
+    {
+        [SerializeField] private List<string> _disabledPreviewPasses = new();
+        private ImmutableHashSet<string> _disabledPreviewPassesSet;
+
+        [SerializeField] private List<string> _disabledPreviewPlugins = new();
+        private ImmutableHashSet<string> _disabledPreviewPluginsSet;
+
+        public event Action OnPreviewConfigChanged;
+
+        private void OnValidate()
+        {
+            _disabledPreviewPassesSet = _disabledPreviewPasses.ToImmutableHashSet();
+            _disabledPreviewPluginsSet = _disabledPreviewPlugins.ToImmutableHashSet();
+        }
+
+        public bool IsPreviewPassEnabled(string qualifiedName)
+        {
+            if (_disabledPreviewPassesSet == null) OnValidate();
+
+            return !_disabledPreviewPassesSet.Contains(qualifiedName);
+        }
+
+        public bool IsPreviewPluginEnabled(string qualifiedName)
+        {
+            if (_disabledPreviewPluginsSet == null) OnValidate();
+
+            return !_disabledPreviewPluginsSet.Contains(qualifiedName);
+        }
+
+        public void SetPreviewPassEnabled(string qualifiedName, bool enabled)
+        {
+            if (enabled)
+                _disabledPreviewPasses.Remove(qualifiedName);
+            else
+                _disabledPreviewPasses.Add(qualifiedName);
+
+            OnValidate();
+
+            OnPreviewConfigChanged?.Invoke();
+        }
+
+        public void SetPreviewPluginEnabled(string qualifiedName, bool enabled)
+        {
+            if (enabled)
+                _disabledPreviewPlugins.Remove(qualifiedName);
+            else
+                _disabledPreviewPlugins.Add(qualifiedName);
+
+            OnValidate();
+
+            OnPreviewConfigChanged?.Invoke();
+        }
+    }
+}