Add sensor delay for opening and closing valves

Installer/Files/config.ini

@@ -1,7 +1,35 @@
 
 [plc]
 port = COM1
+sensor_delay_open = 0  ; seconds
+sensor_delay_close = 2  ; seconds
 
 [update]
 url = https://elwig.at/files/pamhagen-sysctrl/latest
 auto = true
+
+[xbe24]
+a1 = PATH_MW2_PRESS1
+a2 = PATH_MW2_PRESS2
+a3 = PATH_MW2_T1
+a4 = PATH_MW2_T2
+a5 = PATH_MW2_T3
+a6 = PATH_MW2_T4
+b1 = START_REBLER
+b2 = STOP_REBLER
+b3 = SELECT_MW2
+b4 = TOGGLE_STIRRER_MW2
+b5 = START_MP2
+b6 = STOP_MP2
+c1 = START_TROUGH_AUGER
+c2 = STOP_TROUGH_AUGER
+c3 = SELECT_MW1
+c4 = TOGGLE_STIRRER_MW1
+c5 = START_MP1
+c6 = STOP_MP1
+d1 = PATH_MW1_PRESS1
+d2 = PATH_MW1_PRESS2
+d3 = PATH_MW1_T1
+d4 = PATH_MW1_T2
+d5 = PATH_MW1_T3
+d6 = PATH_MW1_T4

PamhagenSysCtrl/App.xaml.cs

@@ -34,15 +34,12 @@ namespace PamhagenSysCtrl {
         }
 
         protected override async void OnStartup(StartupEventArgs evt) {
+            if (Config == null)
+                return;
+
             Version = new Version(typeof(App).GetTypeInfo().Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion.Split('+')[0] ?? "0.0.0");
 
             Plant = new(Config.PlcPort);
-            try {
-                await Plant.StartThread();
-            } catch (Exception exc) {
-                // TODO
-            }
-
             base.OnStartup(evt);
 
             if (Config.UpdateUrl != null && Config.UpdateAuto) {

PamhagenSysCtrl/Helpers/Config.cs

@@ -9,11 +9,16 @@ namespace PamhagenSysCtrl.Helpers {
         private readonly string FileName;
 
         public string PlcPort = "COM1";
+        public int PlcSensorDelayOpen = 0;
+        public int PlcSensorDelayClose = 0;
         public string? UpdateUrl;
         public bool UpdateAuto;
 
+        public PamhagenPlant.ShortcutKey?[] Xbe24KeyMap;
+
         public Config(string filename) {
             FileName = filename;
+            Xbe24KeyMap = new PamhagenPlant.ShortcutKey?[24];
             Read();
         }
 
@@ -21,12 +26,30 @@ namespace PamhagenSysCtrl.Helpers {
             try {
                 var config = new ConfigurationBuilder().AddIniFile(FileName).Build();
                 PlcPort = config["plc:port"] ?? "COM1";
+                PlcSensorDelayOpen = int.Parse(config["plc:sensor_delay_open"] ?? "0");
+                PlcSensorDelayClose = int.Parse(config["plc:sensor_delay_close"] ?? "0");
                 UpdateUrl = config["update:url"];
                 UpdateAuto = TrueValues.Contains(config["update:auto"]?.ToLower());
+                var xbe24 = config.GetSection("xbe24");
+                for (char c = 'a'; c <= 'd'; c++) {
+                    for (int r = 1; r <= 6; r++) {
+                        int n = (c - 'a') * 6 + r - 1;
+                        var s = xbe24[$"{c}{r}"]?.ToUpper();
+                        Xbe24KeyMap[n] = s == null ? null : Enum.Parse<PamhagenPlant.ShortcutKey>(s);
+                    }
+                }
             } catch (Exception exc) {
                 MessageBox.Show($"Die Konfigurationsdatei konnte nicht gelesen werden:\n\n{exc.Message}", "Konfigurationsdatei lesen", MessageBoxButton.OK, MessageBoxImage.Error);
                 Application.Current.Shutdown();
             }
         }
+
+        public PamhagenPlant.ShortcutKey? MapKey(int n) {
+            return n < 0 || Xbe24KeyMap.Length < n ? null : Xbe24KeyMap[n];
+        }
+
+        public int? MapKey(PamhagenPlant.ShortcutKey key) {
+            return Xbe24KeyMap.IndexOf(key) is int n ? n == -1 ? null : n : null;
+        }
     }
 }

PamhagenSysCtrl/Helpers/Extensions.cs

@@ -0,0 +1,15 @@
+using System.Drawing;
+
+namespace PamhagenSysCtrl.Helpers {
+    public static class Extensions {
+
+        public static void SetBacklight(this Xbe24Keyboard k, PamhagenPlant.ShortcutKey key, Color color, bool flashing = false) {
+            if (App.Config.MapKey(key) is int n)
+                k.SetBacklight(n, color, flashing);
+        }
+
+        public static bool IsKeyPressed(this Xbe24Keyboard k, PamhagenPlant.ShortcutKey key) {
+            return App.Config.MapKey(key) is int n && k.IsKeyPressed(n);
+        }
+    }
+}

PamhagenSysCtrl/Helpers/PamhagenGraph.cs

@@ -29,6 +29,12 @@ namespace PamhagenSysCtrl.Helpers {
         public readonly Tank Tank7;
         public readonly Tank Tank8;
         public readonly Tank Tank9;
+        public readonly Valve V5;
+        public readonly Valve V6;
+        public readonly Valve V7;
+        public readonly Valve V8;
+
+        public readonly Dictionary<PamhagenPlant.ShortcutKey, (ISource Source, Pump Pump, INode? Intermediate, ISink Sink)> PathShortcuts;
 
         public PamhagenGraph() {
             double mw2X = -118;
@@ -66,26 +72,26 @@ namespace PamhagenSysCtrl.Helpers {
             var pr1X = -15;
             var pr2X = 23;
 
-            var trough = new EntryTrough("Auffangwanne", mw1X + 14, rebY - 20, () => App.Plant?.IsTroughAugerActive ?? false);
+            var trough = new EntryTrough("Auffangwanne", mw1X + 14, rebY - 20, () => App.Plant?.State.TroughAuger_IsActive ?? false);
             Nodes.Add(trough);
 
-            Auger1 = new EncasedAuger("", rebX - 19, rebY, () => App.Plant?.IsAuger1Active ?? false);
+            Auger1 = new EncasedAuger("", rebX - 19, rebY, () => App.Plant?.State.Auger1_IsActive ?? false);
-            var auger0 = new EncasedAuger("Pressen-\nQuerschnecke", rebX - 39, rebY, () => App.Plant?.IsPresseQuerSchneckeActive ?? false, 180, clickable: false);
+            var auger0 = new EncasedAuger("Pressen-\nQuerschnecke", rebX - 39, rebY, () => App.Plant?.State.PressCrossAuger_IsActive ?? false, 180, clickable: false);
-            Auger3 = new EncasedAuger("", rebX - 23, rebY - 24, () => App.Plant?.IsAuger3Active ?? false, 135);
+            Auger3 = new EncasedAuger("", rebX - 23, rebY - 24, () => App.Plant?.State.Auger3_IsActive ?? false, 135);
-            var belt = new ConveyorBelt("", rebX - 29, rebY - 8, () => App.Plant?.IsAuger2Active ?? false);
+            var belt = new ConveyorBelt("", rebX - 29, rebY - 8, () => App.Plant?.State.Auger2_IsActive ?? false);
             Nodes.Add(belt);
             Nodes.Add(Auger1);
             Nodes.Add(auger0);
             Nodes.Add(Auger3);
-            var rebler = new Rebler("Rebler", rebX, rebY, () => App.Plant?.IsReblerActive ?? false);
+            var rebler = new Rebler("Rebler", rebX, rebY, () => App.Plant?.State.Rebler_IsActive ?? false);
             Nodes.Add(rebler);
-            var switcher = new Switcher("", rebX, rebY + 12, () => App.Plant?.TroughSelector ?? 0, () => App.Plant == null ? 0 : App.Plant.WantMW1Selected ? 1 : 2);
+            var switcher = new Switcher("", rebX, rebY + 12, () => App.Plant?.State.MW1_IsSelected == true ? 1 : App.Plant?.State.MW2_IsSelected == true ? 2 : 0, () => App.Plant?.State.MW1_WantSelected == true ? 1 : App.Plant?.State.MW2_WantSelected == true ? 2 : 0);
             Nodes.Add(switcher);
 
-            MW1 = new Trough("MW1", mw1X, mpY - 14, () => App.Plant?.FillLevelMW1 ?? FillState.Unknown);
+            MW1 = new Trough("MW1", mw1X, mpY - 14, () => App.Plant?.State.MW1_FillLevel ?? FillState.Unknown);
-            MW2 = new Trough("MW2", mw2X, mpY - 14, () => App.Plant?.FillLevelMW2 ?? FillState.Unknown);
+            MW2 = new Trough("MW2", mw2X, mpY - 14, () => App.Plant?.State.MW2_FillLevel ?? FillState.Unknown);
-            MP1 = new Pump("MP1", mw1X, mpY, () => App.Plant?.MP1 ?? default, () => App.Plant?.MP1HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            MP1 = new Pump("MP1", mw1X, mpY, () => App.Plant?.State.MP1_State ?? default, () => App.Plant?.State.MP1_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
-            MP2 = new Pump("MP2", mw2X, mpY, () => App.Plant?.MP2 ?? default, () => App.Plant?.MP2HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            MP2 = new Pump("MP2", mw2X, mpY, () => App.Plant?.State.MP2_State ?? default, () => App.Plant?.State.MP2_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
             var x1 = new PipeJoin(mw1X, mpY + 8);
             var x2 = new PipeJoin(mw2X, mpY + 8);
 
@@ -116,23 +122,23 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(v4, x5, true);
             CreatePipe(x5, x6, true);
 
-            var v5 = CreateValve(5, x1X + 6, ltg1Y, 1);
+            V5 = CreateValve(5, x1X + 6, ltg1Y, 1);
-            var v6 = CreateValve(6, x1X + 6, ltg2Y + 8, 3);
+            V6 = CreateValve(6, x1X + 6, ltg2Y + 8, 3);
-            var v7 = CreateValve(7, x1X + 6, ltg2Y, 3);
+            V7 = CreateValve(7, x1X + 6, ltg2Y, 3);
-            var v8 = CreateValve(8, x1X - 6, ltg2Y + 8, 0);
+            V8 = CreateValve(8, x1X - 6, ltg2Y + 8, 0);
             var v9 = CreateValve(9, ltg2X, ltg5Y + 8, 2);
 
-            CreatePipe(x4, v5);
+            CreatePipe(x4, V5);
-            CreatePipe(x4, v6, true);
+            CreatePipe(x4, V6, true);
-            CreatePipe(x6, v7);
+            CreatePipe(x6, V7);
-            CreatePipe(x6, v8);
+            CreatePipe(x6, V8);
-            CreatePipe(v7, v9, label: "Ltg. 2", labelOffsetX: 6);
+            CreatePipe(V7, v9, label: "Ltg. 2", labelOffsetX: 6);
 
             var xv15 = new PipeJoin(ltg1X, wt1Y + 8);
             var xv11 = new PipeJoin(ltg2X, wt1Y + 14);
             var x7 = new PipeJoin(ltg2X, ltg5Y);
 
-            CreatePipe(v5, xv15, label: "Ltg. 1", labelOffsetX: 6);
+            CreatePipe(V5, xv15, label: "Ltg. 1", labelOffsetX: 6);
             CreatePipe(v9, x7);
             CreatePipe(x7, xv11);
 
@@ -309,14 +315,14 @@ namespace PamhagenSysCtrl.Helpers {
             CreateInlet(v43, Tank9);
 
             var xp12 = new PipeJoin((t1X + t2X) / 2, tanksY + 16);
-            P12 = new Pump("P1/2", (t1X + t2X) / 2, tanksY + 22, () => App.Plant?.P12 ?? default, () => App.Plant?.P12HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P12 = new Pump("P1/2", (t1X + t2X) / 2, tanksY + 22, () => App.Plant?.State.P12_State ?? default, () => App.Plant?.State.P12_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
             CreateOutlet(Tank1, xp12);
             CreateOutlet(Tank2, xp12);
             CreatePipe(xp12, P12);
 
-            P3 = new Pump("P3", t3X, tanksY + 22, () => App.Plant?.P3 ?? default, () => App.Plant?.P3HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P3 = new Pump("P3", t3X, tanksY + 22, () => App.Plant?.State.P3_State ?? default, () => App.Plant?.State.P3_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
-            P4 = new Pump("P4", t4X, tanksY + 22, () => App.Plant?.P4 ?? default, () => App.Plant?.P4HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P4 = new Pump("P4", t4X, tanksY + 22, () => App.Plant?.State.P4_State ?? default, () => App.Plant?.State.P4_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
-            P5 = new Pump("P5", t5X, tanksY + 22, () => App.Plant?.P5 ?? default, () => App.Plant?.P5HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P5 = new Pump("P5", t5X, tanksY + 22, () => App.Plant?.State.P5_State ?? default, () => App.Plant?.State.P5_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
             CreateOutlet(Tank3, P3);
             CreateOutlet(Tank4, P4);
             CreateOutlet(Tank5, P5);
@@ -346,7 +352,7 @@ namespace PamhagenSysCtrl.Helpers {
             var xt6 = new PipeJoin(t6X, tanksY + 22);
             var xt7 = new PipeJoin(t7X, tanksY + 22);
             var xt8 = new PipeJoin(t8X, tanksY + 22);
-            P6 = new Pump("P6", t6X, tanksY + 30, () => App.Plant?.P6 ?? default, () => App.Plant?.P6HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P6 = new Pump("P6", t6X, tanksY + 30, () => App.Plant?.State.P6_State ?? default, () => App.Plant?.State.P6_HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Contains(x)));
             CreateOutlet(Tank6, xt6);
             CreateOutlet(Tank7, xt7);
             CreateOutlet(Tank8, xt8);
@@ -380,8 +386,8 @@ namespace PamhagenSysCtrl.Helpers {
             var xp7 = new PipeJoin(pr2cX, ltg8Y);
             var xp8 = new PipeJoin(pr2cX, ltg9Y);
 
-            CreatePipe(v6, xp1, true, label: "Ltg. 3", labelOffsetX: 6);
+            CreatePipe(V6, xp1, true, label: "Ltg. 3", labelOffsetX: 6);
-            CreatePipe(v8, xp2, true, label: "Ltg. 4", labelOffsetX: 18);
+            CreatePipe(V8, xp2, true, label: "Ltg. 4", labelOffsetX: 18);
             CreatePipe(v49, xp3, true, label: "Ltg. 8");
             CreatePipe(P6, xp4, true, label: "Ltg. 9");
             CreatePipe(xp1, v51, true);
@@ -404,28 +410,97 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(xp5, xp6);
             CreatePipe(xp7, xp8);
 
-            var zv1 = new ExternalValve("ZV1", pr1cX, prY - 8, 0, () => App.Plant?.Press1HasClearance ?? false);
+            var zv1 = new ExternalValve("ZV1", pr1cX, prY - 8, 0, () => App.Plant?.State.Press1_HasClearance ?? false);
-            var zv2 = new ExternalValve("ZV2", pr2cX, prY - 8, 2, () => App.Plant?.Press2HasClearance ?? false);
+            var zv2 = new ExternalValve("ZV2", pr2cX, prY - 8, 2, () => App.Plant?.State.Press2_HasClearance ?? false);
             CreatePipe(xp6, zv1, true);
             CreatePipe(xp8, zv2, true);
             CreateInlet(zv1, Press1, true);
             CreateInlet(zv2, Press2, true);
+
+            PathShortcuts = [];
+            foreach (var key in Enum.GetValues<PamhagenPlant.ShortcutKey>()) {
+                var n = Enum.GetName(key);
+                if (n?.StartsWith("PATH_") != true) continue;
+                ISource src;
+                Pump p;
+                INode? inter = null;
+                ISink sink;
+                if (n.StartsWith("PATH_MW1_")) {
+                    src = MW1;
+                    p = MP1;
+                } else if (n.StartsWith("PATH_MW2_")) {
+                    src = MW2;
+                    p = MP2;
+                } else if (n.StartsWith("PATH_T12_")) {
+                    src = Tank1;
+                    p = P12;
+                } else if (n.StartsWith("PATH_T3_")) {
+                    src = Tank3;
+                    p = P3;
+                } else if (n.StartsWith("PATH_T4_")) {
+                    src = Tank4;
+                    p = P4;
+                } else if (n.StartsWith("PATH_T5_")) {
+                    src = Tank5;
+                    p = P5;
+                } else if (n.StartsWith("PATH_P6_")) {
+                    src = Tank6;
+                    p = P6;
+                } else {
+                    continue;
+                }
+                if (n.Contains("_LTG1_")) {
+                    inter = V5;
+                } else if (n.Contains("_LTG2_")) {
+                    inter = V7;
+                } else if (n.Contains("_LTG3_")) {
+                    inter = V6;
+                } else if (n.Contains("_LTG4_")) {
+                    inter = V8;
+                }
+                if (n.EndsWith("_PRESS1")) {
+                    sink = Press1;
+                } else if (n.EndsWith("_PRESS2")) {
+                    sink = Press2;
+                } else if (n.EndsWith("_T1")) {
+                    sink = Tank1;
+                } else if (n.EndsWith("_T2")) {
+                    sink = Tank2;
+                } else if (n.EndsWith("_T3")) {
+                    sink = Tank3;
+                } else if (n.EndsWith("_T4")) {
+                    sink = Tank4;
+                } else if (n.EndsWith("_T5")) {
+                    sink = Tank5;
+                } else if (n.EndsWith("_T6")) {
+                    sink = Tank6;
+                } else if (n.EndsWith("_T7")) {
+                    sink = Tank7;
+                } else if (n.EndsWith("_T8")) {
+                    sink = Tank8;
+                } else if (n.EndsWith("_T9")) {
+                    sink = Tank9;
+                } else {
+                    continue;
+                }
+                PathShortcuts[key] = (src, p, inter, sink);
+            }
         }
 
         protected ControlledValve CreateValve(int n, double x, double y, int o) {
-            return new(n, x, y, o, () => App.Plant?.IsValveOpen(n) ?? false, (v) => App.Plant?.ManualControlMode ?? false ? App.Plant.WantValveOpen(n) : SelectedPaths.Any(p => p.Hops.Any(h => h.Node == v)));
+            return new(n, x, y, o, () => App.Plant?.State.Valve_OpenState(n), (v) => App.Plant?.ManualControlMode ?? false ? App.Plant.State.Valve_WantOpen(n) : SelectedPaths.Any(p => p.Contains(v)));
         }
 
         protected static Tank CreateTank(int n, double x, double y, int capacity) {
-            return new($"Tank {n}", x, y, capacity, () => App.Plant?.TankFillLevels[n - 1] ?? FillState.Unknown);
+            return new($"Tank {n}", x, y, capacity, () => App.Plant?.State.Tanks_FillLevel[n - 1] ?? FillState.Unknown);
         }
 
         private int PathCost(Path p) {
             return
-                1000 * p.Hops.Count(h => h.Node is Valve) +
+                1000 * p.Valves.Count() +
-                (p.Hops.Any(h => h.Node is ControlledValve v && v.Nr == 15) && !p.Hops.Any(h => h.Node is ControlledValve v && (v.Nr == 16 || v.Nr == 20)) ? 10 : 0) +
+                (p.InnerValves.Any(v => v.Nr == 15) && !p.InnerValves.Any(v => v.Nr == 16 || v.Nr == 20) ? 10 : 0) +
-                (p.Hops.Any(h => h.Node is ControlledValve v && v.Nr == 11) && !p.Hops.Any(h => h.Node is ControlledValve v && (v.Nr == 14 || v.Nr == 21)) ? 10 : 0) +
+                (p.InnerValves.Any(v => v.Nr == 11) && !p.InnerValves.Any(v => v.Nr == 14 || v.Nr == 21) ? 10 : 0) +
-                (p.Hops.Any(h => h.Node is ControlledValve v && v.Nr == 6) ? 10 : 0) +
+                (p.InnerValves.Any(v => v.Nr == 6) ? 10 : 0) +
                 p.Bends;
         }
 
@@ -437,76 +512,47 @@ namespace PamhagenSysCtrl.Helpers {
             }
         }
 
-        public void TraverseSubgraph(INode start, Func<INode, bool> invalid, HashSet<IEdge>? _visited = null, Action<INode, bool, IEdge>? edgeAction = null, Action<ControlledValve>? valveAction = null, bool reverse = false) {
+        public static IEnumerable<(INode Start, IEdge Edge, bool EdgeReverse, INode End)> TraverseSubgraph(INode start, Func<INode, bool> isBorder, HashSet<IEdge>? _visited = null, bool reverse = false) {
-            var visited = _visited ?? [];
+            if (isBorder(start))
-            if (start is ControlledValve v) {
+                yield break;
-                valveAction?.Invoke(v);
-            }
-            if (invalid(start)) {
-                return;
-            }
 
+            var visited = _visited ?? [];
             foreach (var edge in start.Inputs) {
                 if (visited.Contains(edge)) continue;
                 var o = edge.IsTwoWay && edge.Start == start ? edge.End : edge.Start;
-                edgeAction?.Invoke(start, reverse || _visited == null, edge);
+                yield return (start, edge, reverse || _visited == null, o);
                 visited.Add(edge);
-                TraverseSubgraph(o, invalid, visited, edgeAction, valveAction, reverse || _visited == null);
+                foreach (var e in TraverseSubgraph(o, isBorder, visited, reverse || _visited == null))
+                    yield return e;
             }
             foreach (var edge in start.Outputs) {
                 if (visited.Contains(edge)) continue;
                 var o = edge.IsTwoWay && edge.End == start ? edge.Start : edge.End;
-                edgeAction?.Invoke(start, reverse, edge);
+                yield return (start, edge, reverse, o);
                 visited.Add(edge);
-                TraverseSubgraph(o, invalid, visited, edgeAction, valveAction, reverse);
+                foreach (var e in TraverseSubgraph(o, isBorder, visited, reverse))
+                    yield return e;
             }
         }
 
         public void AddPath(Path path) {
             _selectedPaths.Add(path);
-            UpdateValvesAdjacientToPath(path, true, false);
+            path.LockValves();
             if (App.Plant is PamhagenPlant plant) {
-                foreach (var (_, node) in path.Hops) {
+                foreach (var v in path.InnerValves) plant.OpenV(v.Nr);
-                    if (node is ControlledValve v) {
+                foreach (var v in path.BorderValves) plant.CloseV(v.Nr);
-                        plant.OpenV(v.Nr);
-                    }
-                }
             }
         }
 
         public void RemovePath(Path path) {
             _selectedPaths.Remove(path);
-            UpdateValvesAdjacientToPath(path, false);
+            path.UnlockValves();
-            foreach (var p in _selectedPaths) UpdateValvesAdjacientToPath(p, true);
             if (App.Plant is PamhagenPlant plant) {
-                foreach (var (_, node) in path.Hops) {
+                foreach (var v in path.InnerValves) plant.CloseV(v.Nr);
-                    if (node is ControlledValve v) {
-                        plant.CloseV(v.Nr);
-                    }
-                }
             }
         }
 
-        private void UpdateValvesAdjacientToPath(Path path, bool locked, bool? wantOpen = null) {
+        public static void ColorPipesAdjacientToPath(Path path, Brush? color1, MotorState flowArrows, Brush? color2) {
-            foreach (var (edge, node) in path.Hops) {
-                TraverseSubgraph(node, (n) => n is ControlledValve || n is ISink || n is Pump, valveAction: (v) => {
-                    if (locked) {
-                        v.LockedForPaths.Add(path);
-                    } else {
-                        v.LockedForPaths.Remove(path);
-                    }
-                    if (wantOpen.HasValue) {
-                        if (wantOpen.Value) {
-                            App.Plant?.OpenV(v.Nr);
-                        } else {
-                            App.Plant?.CloseV(v.Nr);
-                        }
-                    }
-                });
-            }
-        }
-
-        public void ColorPipesAdjacientToPath(Path path, Brush? color1, MotorState flowArrows, Brush? color2) {
             var color = color1;
             var flowPathOffset = 0.0;
             HashSet<IEdge> visited = [];
@@ -520,27 +566,28 @@ namespace PamhagenSysCtrl.Helpers {
                 }
                 visited.Add(edge);
                 if (node is Pump) color = color2;
-                TraverseSubgraph(node, (n) => n is Valve || n is ISink || n is Pump, visited, edgeAction: (s, r, e) => e.Highlight = color);
+                foreach (var (_, e, _, _) in TraverseSubgraph(node, (n) => n is Valve || n is ISink || n is Pump, visited)) {
+                    e.Highlight = color;
+                }
             }
         }
 
-        public void ColorPipesByValves(INode start, Brush? color1, MotorState flowArrows, Brush? color2) {
+        public static void ColorPipesByValves(INode start, Brush? color1, MotorState flowArrows, Brush? color2) {
             var flowPathOffset = 0.0;
-            TraverseSubgraph(start, (n) => n is ISink || n is Outlet || !((n as Valve)?.IsOpen ?? (n as ExternalValve)?.IsOpen ?? true), null,
+            foreach (var (s, e, r, _) in TraverseSubgraph(start, (n) => n is ISink || n is Outlet || !((n as Valve)?.IsOpen ?? (n as ExternalValve)?.IsOpen ?? true))) {
-                edgeAction: (s, r, e) => {
+                if (((e.Start as Valve)?.IsOpen ?? true) && ((e.End as Valve)?.IsOpen ?? true)) {
-                    if (((e.Start as Valve)?.IsOpen ?? true) && ((e.End as Valve)?.IsOpen ?? true)) {
+                    e.Highlight = color1;
-                        e.Highlight = color1;
+                    if (flowArrows == MotorState.Forward || flowArrows == MotorState.Backward) {
-                        if (flowArrows == MotorState.Forward || flowArrows == MotorState.Backward) {
+                        var dir = e.Start == s;
-                            var dir = e.Start == s;
+                        if (r) dir = !dir;
-                            if (r) dir = !dir;
+                        if (flowArrows == MotorState.Backward) dir = !dir;
-                            if (flowArrows == MotorState.Backward) dir = !dir;
+                        e.Flow = (dir, flowPathOffset);
-                            e.Flow = (dir, flowPathOffset);
+                        flowPathOffset += e.FlowLength;
-                            flowPathOffset += e.FlowLength;
-                        }
-                    } else {
-                        e.Highlight = color2;
                     }
-                });
+                } else {
+                    e.Highlight = color2;
+                }
+            }
         }
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/ControlledValve.cs

@@ -13,7 +13,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         protected Func<Valve, bool> CallbackWantOpen;
 
-        public ControlledValve(int nr, double x, double y, int orientation, Func<bool> cbOpen, Func<Valve, bool> cbWant) :
+        public ControlledValve(int nr, double x, double y, int orientation, Func<bool?> cbOpen, Func<Valve, bool> cbWant) :
             base(x, y, orientation, cbOpen) {
             Nr = nr;
             CallbackWantOpen = cbWant;
@@ -23,9 +23,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             if (App.Plant?.ManualControlMode ?? false) {
                 _text?.Visibility = Visibility.Visible;
                 _triangles?.Fill =
-                    !WantOpen && !IsOpen && !isHovering ? PamhagenBrushes.Red :
+                    !WantOpen && IsClosed && !isHovering ? PamhagenBrushes.Red :
-                    !WantOpen && !IsOpen ? PamhagenBrushes.Green :
+                    !WantOpen && IsClosed ? PamhagenBrushes.Green :
-                    !WantOpen && IsOpen ? PamhagenBrushes.DimRed :
+                    !WantOpen && !IsClosed ? PamhagenBrushes.DimRed :
                     WantOpen && !IsOpen ? PamhagenBrushes.DimGreen :
                     WantOpen && IsOpen && !isHovering ? PamhagenBrushes.Green :
                     WantOpen && IsOpen ? PamhagenBrushes.Red :
@@ -33,12 +33,19 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             } else {
                 _text?.Visibility = isHovering ? Visibility.Visible : Visibility.Hidden;
                 _triangles?.Fill =
-                    IsLocked && !WantOpen && !IsOpen ? PamhagenBrushes.DimOrange :
+                    IsLocked && !WantOpen && IsClosed ? PamhagenBrushes.DimOrange :
-                    IsLocked && !WantOpen && IsOpen ? PamhagenBrushes.Red :
+                    IsLocked && !WantOpen && !IsClosed ? PamhagenBrushes.Red :
                     IsLocked && WantOpen && !IsOpen ? PamhagenBrushes.Yellow :
                     IsLocked && WantOpen && IsOpen ? PamhagenBrushes.Green :
                     Highlight ?? (isHovering ? Brushes.LightGray : Brushes.DarkGray);
             }
+            if (!IsClosed) {
+                _topLine?.Points[1] = _middlePoints.Open.Top;
+                _bottomLine?.Points[1] = _middlePoints.Open.Bottom;
+            } else {
+                _topLine?.Points[1] = _middlePoints.Closed.Top;
+                _bottomLine?.Points[1] = _middlePoints.Closed.Bottom;
+            }
         }
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/ExternalValve.cs

@@ -6,7 +6,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public override string Label { get; }
 
-        public ExternalValve(string label, double x, double y, int orientation, Func<bool> cbOpen) :
+        public ExternalValve(string label, double x, double y, int orientation, Func<bool?> cbOpen) :
             base(x, y, orientation, cbOpen) {
             Label = label;
         }
@@ -17,6 +17,13 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                 !IsOpen ? PamhagenBrushes.Red :
                 IsOpen ? PamhagenBrushes.Green :
                 Highlight ?? Brushes.DarkGray;
+            if (!IsClosed) {
+                _topLine?.Points[1] = _middlePoints.Open.Top;
+                _bottomLine?.Points[1] = _middlePoints.Open.Bottom;
+            } else {
+                _topLine?.Points[1] = _middlePoints.Closed.Top;
+                _bottomLine?.Points[1] = _middlePoints.Closed.Bottom;
+            }
         }
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/Path.cs

@@ -1,9 +1,43 @@
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public record struct Path(
-            INode Start,
+        INode Start,
-            IEnumerable<(IEdge Edge, INode Node)> Hops)
+        (IEdge Edge, INode Node)[] Hops
-    {
+    ) {
         public readonly int Bends => Hops.Sum(h => (h.Node is not Valve && h.Node is not PipeJoin ? 1 : 0) + (h.Edge.Start.CenterX != h.Edge.End.CenterX && h.Edge.Start.CenterY != h.Edge.End.CenterY ? 1 : 0));
         public readonly double Length => Hops.Sum(h => Math.Abs(h.Edge.Start.CenterX - h.Edge.End.CenterX) + Math.Abs(h.Edge.Start.CenterY - h.Edge.End.CenterY));
+
+        public readonly INode End => Hops.Last().Node;
+        public readonly IEnumerable<INode> Nodes => [Start, .. Hops.Select(h => h.Node)];
+
+        public readonly bool Contains(INode node) => Nodes.Any(h => h == node);
+        public readonly bool Matches(INode start, INode end) => Matches(start, null, end);
+        public readonly bool Matches(INode start, INode? intermediate, INode end) => Start == start && End == end && (intermediate == null || Nodes.Any(n => n == intermediate));
+
+        public readonly IEnumerable<Pump> Pumps => Nodes.Select(n => n as Pump).Where(p => p != null).Cast<Pump>();
+        public readonly IEnumerable<Valve> Valves => Nodes.Select(n => n as Valve).Where(v => v != null).Cast<Valve>();
+
+        private readonly IEnumerable<ControlledValve> InnerAndBorderValves => Nodes
+            .SelectMany(node => PamhagenGraph.TraverseSubgraph(node, (n) => n is ControlledValve || n is ISink || n is Pump))
+            .Select(e => e.End as ControlledValve)
+            .Where(v => v != null)
+            .Cast<ControlledValve>()
+            .Distinct();
+        public readonly IEnumerable<ControlledValve> InnerValves => Nodes.Select(n => n as ControlledValve).Where(v => v != null).Cast<ControlledValve>();
+        public readonly IEnumerable<ControlledValve> BorderValves => InnerAndBorderValves.Except(InnerValves);
+
+        public readonly bool HasActivePump => Nodes.Any(n => n is Pump p && p.IsActive);
+        public readonly bool IsReady => InnerValves.All(v => v.IsOpen && v.WantOpen && v.IsLocked) && BorderValves.All(v => v.IsClosed && !v.WantOpen && v.IsLocked);
+
+        public readonly void LockValves() {
+            foreach (var v in InnerAndBorderValves) {
+                v.LockedForPaths.Add(this);
+            }
+        }
+
+        public readonly void UnlockValves() {
+            foreach (var v in InnerAndBorderValves) {
+                v.LockedForPaths.Remove(this);
+            }
+        }
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/Valve.cs

@@ -16,19 +16,22 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public int Orientation { get; set; }
 
-        public bool IsOpen => CallbackIsOpen();
+        public bool IsOpen => CallbackIsOpen() == true;
+        public bool IsClosed => CallbackIsOpen() == false;
+        public bool IsTransitioning => CallbackIsOpen() == null;
         public ISet<IEdge> Inputs { get; init; }
         public ISet<IEdge> Outputs { get; init; }
 
-        protected Func<bool> CallbackIsOpen;
+        protected Func<bool?> CallbackIsOpen;
 
         protected Rectangle? _background;
         protected Polygon? _triangles;
         protected Polyline? _topLine;
         protected Polyline? _bottomLine;
+        protected ((Point Top, Point Bottom) Closed, (Point Top, Point Bottom) Open) _middlePoints;
         protected TextBlock? _text;
 
-        public Valve(double x, double y, int orientation, Func<bool> cbOpen) {
+        public Valve(double x, double y, int orientation, Func<bool?> cbOpen) {
             CenterX = x;
             CenterY = y;
             CallbackIsOpen = cbOpen;
@@ -83,6 +86,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                     Graph.ToPx(CenterX + WIDTH / 4, CenterY, scale),
                     Graph.ToPx(CenterX + WIDTH / 2, CenterY + LENGTH / 4, scale),
                 ];
+                if (_topLine != null && _bottomLine != null)
+                    _middlePoints = ((_topLine.Points[1], _bottomLine.Points[1]),
+                        (Graph.ToPx(CenterX - WIDTH / 3, CenterY, scale), Graph.ToPx(CenterX + WIDTH / 3, CenterY, scale)));
             } else {
                 Graph.SetCenter(_background, CenterX, CenterY, LENGTH, LENGTH / 2, scale);
                 _triangles?.Points = [
@@ -101,6 +107,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                     Graph.ToPx(CenterX, CenterY + WIDTH / 4, scale),
                     Graph.ToPx(CenterX + LENGTH / 4, CenterY + WIDTH / 2, scale),
                 ];
+                if (_topLine != null && _bottomLine != null)
+                    _middlePoints = ((_topLine.Points[1], _bottomLine.Points[1]),
+                        (Graph.ToPx(CenterX, CenterY - WIDTH / 3, scale), Graph.ToPx(CenterX, CenterY + WIDTH / 3, scale)));
             }
             _triangles?.StrokeThickness = border;
             _topLine?.StrokeThickness = border;

PamhagenSysCtrl/Helpers/Plc/LegacyPamhagenPlc.cs

@@ -1,18 +1,18 @@
 using System.IO.Ports;
 
-namespace PamhagenSysCtrl.Helpers {
+namespace PamhagenSysCtrl.Helpers.Plc {
-    public class PamhagenPlc : IDisposable {
+    public class LegacyPamhagenPlc : IDisposable {
 
         public record struct SensorStates(
             long PressureSensors,
-            FillState FillingLevelMW1,
+            FillState FillLevelMW1,
-            FillState FillingLevelMW2,
+            FillState FillLevelMW2,
             bool ClearancePress1,
             bool ClearancePress2,
             int TroughSelector,
             double GradationOe,
-            FillState[] FillingLevelTanks,
+            FillState[] FillLevelTanks,
-            MotorState PresseQuerSchnecke
+            MotorState PressCrossAuger
         ) {
             public readonly bool GetDS(int n) => (PressureSensors & (1L << (n - 1))) != 0;
         }
@@ -34,12 +34,12 @@ namespace PamhagenSysCtrl.Helpers {
 
         protected readonly T1 Plc;
 
-        public string PortName => Plc.PortName;
+        public string ComPort => Plc.PortName;
-        public T1.Status LastPlcStatus => Plc.LastStatus;
+        public T1.Status LastStatus => Plc.LastStatus;
-        public T1Error LastPlcError => Plc.LastError;
+        public T1Error LastError => Plc.LastError;
 
-        public PamhagenPlc(string portName, Parity parity = Parity.Odd) {
+        public LegacyPamhagenPlc(string comPort, Parity parity = Parity.Odd) {
-            Plc = new T1(portName, parity);
+            Plc = new T1(comPort, parity);
         }
 
         public void Dispose() {
@@ -95,7 +95,7 @@ namespace PamhagenSysCtrl.Helpers {
             throw new T1Exception($"Interner Fehler: {error} ({(int)error:0000})");
         }
 
-        protected async Task<(ushort RW010, ushort RW011, ushort RW012, ushort RW013, ushort RW014, ushort RW015, ushort RW016)> ReadInputRegisters() {
+        public async Task<(ushort RW010, ushort RW011, ushort RW012, ushort RW013, ushort RW014, ushort RW015, ushort RW016)> ReadInputRegisters() {
             var d = await Plc.DataRead("RW010", 7);
             // RW010, RW011, RW012, RW013      Drucksensoren
             // RW014                           Füllstände A1, A2, Presse1, Presse2, Wannenselekt

PamhagenSysCtrl/Helpers/Plc/PamhagenPlc.cs

@@ -0,0 +1,347 @@
+using System.IO.Ports;
+
+namespace PamhagenSysCtrl.Helpers.Plc {
+    public class PamhagenPlc : IDisposable {
+
+        private bool _manualControlMode = false;
+        private bool _overridePathClearnaces = false;
+        private bool _overrideDryRunClearances = false;
+        public bool ManualControlMode { get => _manualControlMode; set { _manualControlMode = value; UpdateInterlocks(); } }
+        public bool OverridePathClearances { get => _overridePathClearnaces; set { _overridePathClearnaces = value; UpdateInterlocks(); } }
+        public bool OverrideDryRunClearances { get => _overrideDryRunClearances; set { _overrideDryRunClearances = value; UpdateInterlocks(); } }
+
+        internal bool MP1_WantActive { get; private set; }
+        internal bool MP2_WantActive { get; private set; }
+        internal bool P12_WantActive { get; private set; }
+        internal bool P3_WantActive { get; private set; }
+        internal bool P4_WantActive { get; private set; }
+        internal bool P5_WantActive { get; private set; }
+        internal bool P6_WantActive { get; private set; }
+
+        protected LegacyPamhagenPlc Plc;
+        public PamhagenState State { get; private set; }
+
+        public string? ComPort => Plc?.ComPort;
+        public T1.Status? LastStatus => Plc?.LastStatus;
+        public T1Error? LastError => Plc?.LastError;
+
+        internal LegacyPamhagenPlc.ActuatorStates Actuators;
+        internal LegacyPamhagenPlc.ActuatorStates LastActuators;
+        internal LegacyPamhagenPlc.SensorStates[] LastSensors = [];
+
+        internal readonly int ConsiderLastSensorsOpen;
+        internal readonly int ConsiderLastSensorsClose;
+
+        public PamhagenPlc(string comPort, int sensorDelayOpenMs, int sensorDelayCloseMs, Parity parity = Parity.Odd) {
+            Plc = new(comPort, parity);
+            ConsiderLastSensorsOpen = sensorDelayOpenMs / 125 + 1;
+            ConsiderLastSensorsClose = sensorDelayCloseMs / 125 + 1;
+            LastSensors = new LegacyPamhagenPlc.SensorStates[Math.Max(ConsiderLastSensorsOpen, ConsiderLastSensorsClose)];
+        }
+
+        public void Dispose() {
+            GC.SuppressFinalize(this);
+            Plc.Dispose();
+        }
+
+        public async Task Initialize() {
+            await Plc.TestConnection();
+            Actuators = await Plc.ReadOutputs();
+            LastActuators = Actuators;
+            var sensors = await Plc.ReadInputs();
+            LastSensors[0] = sensors;
+            State = new(LastSensors, this);
+        }
+
+        public async Task Shutdown() {
+            await Plc.WriteOutputs(new() { Valves = Actuators.Valves });
+        }
+
+        public async Task Update() {
+            UpdateInterlocks();
+
+            if (Actuators != LastActuators) {
+                LastActuators = Actuators;
+                await Plc.WriteOutputs(LastActuators);
+            }
+            var sensors = await Plc.ReadInputs();
+            Array.Copy(LastSensors, 0, LastSensors, 1, LastSensors.Length - 1);
+            LastSensors[0] = sensors;
+            State = new(LastSensors, this);
+
+            UpdateInterlocks();
+        }
+
+        protected void UpdateInterlocks() {
+            if (!ManualControlMode) {
+                if (State.PressCrossAuger_IsActive && !State.Auger2_IsActive) StartAuger2();
+                if (State.Rebler_IsActive && !State.Auger1_IsActive) StartAuger1();
+                if (State.Auger1_IsActive && !State.Auger2_IsActive) StartAuger2();
+                if (State.Auger2_IsActive && !State.Auger3_IsActive) StartAuger3();
+                if (State.TroughAuger_IsActive && !State.TroughAuger_HasClearance)
+                    StopTroughAuger();
+                if (!State.PressCrossAuger_IsActive && !State.Auger1_IsActive) {
+                    StopAuger2();
+                    StopAuger3();
+                }
+            }
+
+            if (State.MP1_IsActive && !State.MP1_HasClearance) StopMP1();
+            if (State.MP2_IsActive && !State.MP2_HasClearance) StopMP2();
+            if (State.P12_IsActive && !State.P12_HasClearance) DisableP12();
+            if (State.P3_IsActive && !State.P3_HasClearance) DisableP3();
+            if (State.P4_IsActive && !State.P4_HasClearance) DisableP4();
+            if (State.P5_IsActive && !State.P5_HasClearance) DisableP5();
+            if (State.P6_IsActive && !State.P6_HasClearance) DisableP6();
+
+            if (MP1_WantActive && State.MP1_HasClearance) StartMP1Forward();
+            if (MP2_WantActive && State.MP2_HasClearance) StartMP2Forward();
+            if (P12_WantActive && State.P12_HasClearance) EnableP12();
+            if (P3_WantActive && State.P3_HasClearance) EnableP3();
+            if (P4_WantActive && State.P4_HasClearance) EnableP4();
+            if (P5_WantActive && State.P5_HasClearance) EnableP5();
+            if (P6_WantActive && State.P6_HasClearance) EnableP6();
+
+            if (!ManualControlMode) {
+                if (State.MP1_State == MotorState.Forward && State.MW1_FillLevel >= FillState.Half && !State.MW1_Stirrer_IsActive) {
+                    StartStirrerMW1();
+                } else if (State.MW2_Stirrer_IsActive && (!State.MP1_IsActive || State.MW1_FillLevel < FillState.Half)) {
+                    StopStirrerMW1();
+                }
+                if (State.MP2_State == MotorState.Forward && State.MW2_FillLevel >= FillState.Half && !State.MW2_Stirrer_IsActive) {
+                    StartStirrerMW2();
+                } else if (State.MW2_Stirrer_IsActive && (!State.MP2_IsActive || State.MW2_FillLevel < FillState.Half)) {
+                    StopStirrerMW2();
+                }
+            }
+        }
+
+        public void OpenV(int n) => SetV(n, true);
+        public void CloseV(int n) => SetV(n, false);
+
+        protected void SetV(int n, bool val) {
+            if (n < 1 || n > 57) throw new ArgumentException("Invalid value for n: 1 <= #V <= 57");
+            Actuators.SetV(n, val);
+        }
+
+        public void SelectMW1() {
+            Actuators.SetV(58, true);
+        }
+
+        public void SelectMW2() {
+            Actuators.SetV(58, false);
+        }
+
+        public void StartTroughAuger() {
+            if (!ManualControlMode && !State.TroughAuger_HasClearance)
+                throw new NoClearanceException("Schnecke Auffangwanne hat keine Freigabe");
+            Actuators.TroughAuger = true;
+        }
+
+        public void StopTroughAuger() {
+            Actuators.TroughAuger = false;
+        }
+
+        public void StartRebler() {
+            Actuators.Rebler = true;
+            if (!ManualControlMode) StartAuger1();
+        }
+
+        public void StopRebler() {
+            if (!ManualControlMode) StopTroughAuger();
+            Actuators.Rebler = false;
+            if (!ManualControlMode) StopAuger1();
+        }
+
+        public void StartStirrerMW1() {
+            Actuators.StirrerMW1 = true;
+        }
+
+        public void StopStirrerMW1() {
+            Actuators.StirrerMW1 = false;
+        }
+
+        public void StartStirrerMW2() {
+            Actuators.StirrerMW2 = true;
+        }
+
+        public void StopStirrerMW2() {
+            Actuators.StirrerMW2 = false;
+        }
+
+        public void StartAuger1() {
+            Actuators.Auger1 = true;
+            if (!ManualControlMode) StartAuger2();
+        }
+
+        public void StopAuger1() {
+            if (!ManualControlMode && State.Rebler_IsActive) throw new NoClearanceException("Rebler aktiv");
+            Actuators.Auger1 = false;
+            if (!ManualControlMode && !State.PressCrossAuger_IsActive)
+                StopAuger2();
+        }
+
+        public void StartAuger2() {
+            Actuators.Auger2 = true;
+            if (!ManualControlMode) StartAuger3();
+        }
+
+        public void StopAuger2() {
+            if (!ManualControlMode && State.PressCrossAuger_IsActive) throw new NoClearanceException("Presse-Querschnecke aktiv");
+            if (!ManualControlMode && State.Auger1_IsActive) throw new NoClearanceException("Förderschnecke 1 aktiv");
+            Actuators.Auger2 = false;
+            if (!ManualControlMode)
+                StopAuger3();
+        }
+
+        public void StartAuger3() {
+            Actuators.Auger3 = true;
+        }
+
+        public void StopAuger3() {
+            if (!ManualControlMode && State.Auger2_IsActive) throw new NoClearanceException("Förderschnecke 2 aktiv");
+            Actuators.Auger3 = false;
+        }
+
+        public void StartGradationPump() {
+            Actuators.GradationPump = true;
+        }
+
+        public void StopGradationPump() {
+            Actuators.GradationPump = false;
+        }
+
+        public void StartMP1Forward() {
+            if (!State.MP1_HasClearance) {
+                if (!State.MP1_HasDryRunClearance || !State.MP1_WantsPathClearance)
+                    throw new NoClearanceException("MP1 hat keine Freigabe");
+                MP1_WantActive = true;
+                return;
+            }
+            MP1_WantActive = false;
+            if (Actuators.MP1 == MotorState.Backward) throw new NoClearanceException("MP1 läuft bereits (zurück)");
+            Actuators.MP1 = MotorState.Forward;
+            if (State.MW1_FillLevel >= FillState.Half) StartStirrerMW1();
+        }
+
+        public void StartMP1Backward() {
+            MP1_WantActive = false;
+            if (!State.MP1_HasClearance) throw new NoClearanceException("MP1 hat keine Freigabe");
+            if (Actuators.MP1 == MotorState.Forward) throw new NoClearanceException("MP1 läuft bereits (vor)");
+            Actuators.MP1 = MotorState.Backward;
+        }
+
+        public void StopMP1() {
+            MP1_WantActive = false;
+            Actuators.MP1 = MotorState.Halt;
+            if (!ManualControlMode) StopStirrerMW1();
+        }
+
+        public void StartMP2Forward() {
+            if (!State.MP2_HasClearance) {
+                if (!State.MP2_HasDryRunClearance || !State.MP2_WantsPathClearance)
+                    throw new NoClearanceException("MP2 hat keine Freigabe");
+                MP2_WantActive = true;
+                return;
+            }
+            MP2_WantActive = false;
+            if (Actuators.MP2 == MotorState.Backward) throw new NoClearanceException("MP2 läuft bereits (zurück)");
+            Actuators.MP2 = MotorState.Forward;
+            if (State.MW2_FillLevel >= FillState.Half) StartStirrerMW2();
+        }
+
+        public void StartMP2Backward() {
+            MP2_WantActive = false;
+            if (!State.MP2_HasClearance) throw new NoClearanceException("MP2 hat keine Freigabe");
+            if (Actuators.MP2 == MotorState.Forward) throw new NoClearanceException("MP2 läuft bereits (vor)");
+            Actuators.MP2 = MotorState.Backward;
+        }
+
+        public void StopMP2() {
+            MP2_WantActive = false;
+            Actuators.MP2 = MotorState.Halt;
+            if (!ManualControlMode) StopStirrerMW1();
+        }
+
+        public void EnableP12() {
+            if (!State.P12_HasClearance) {
+                if (!State.P12_HasDryRunClearance || !State.P12_WantsPathClearance)
+                    throw new NoClearanceException("P1/2 hat keine Freigabe");
+                P12_WantActive = true;
+                return;
+            }
+            P12_WantActive = false;
+            if (!State.P12_HasClearance) throw new NoClearanceException("P1/2 hat keine Freigabe");
+            Actuators.P12 = MotorState.Forward;
+        }
+
+        public void DisableP12() {
+            P12_WantActive = false;
+            Actuators.P12 = MotorState.Halt;
+        }
+
+        public void EnableP3() {
+            if (!State.P3_HasClearance) {
+                if (!State.P3_HasDryRunClearance || !State.P3_WantsPathClearance)
+                    throw new NoClearanceException("P3 hat keine Freigabe");
+                P3_WantActive = true;
+                return;
+            }
+            P3_WantActive = false;
+            Actuators.P3 = MotorState.Forward;
+        }
+
+        public void DisableP3() {
+            P3_WantActive = false;
+            Actuators.P3 = MotorState.Halt;
+        }
+
+        public void EnableP4() {
+            if (!State.P4_HasClearance) {
+                if (!State.P4_HasDryRunClearance || !State.P4_WantsPathClearance)
+                    throw new NoClearanceException("P4 hat keine Freigabe");
+                P4_WantActive = true;
+                return;
+            }
+            P4_WantActive = false;
+            Actuators.P4 = MotorState.Forward;
+        }
+
+        public void DisableP4() {
+            P4_WantActive = false;
+            Actuators.P4 = MotorState.Halt;
+        }
+
+        public void EnableP5() {
+            if (!State.P5_HasClearance) {
+                if (!State.P5_HasDryRunClearance || !State.P5_WantsPathClearance)
+                    throw new NoClearanceException("P5 hat keine Freigabe");
+                P5_WantActive = true;
+                return;
+            }
+            P5_WantActive = false;
+            Actuators.P5 = MotorState.Forward;
+        }
+
+        public void DisableP5() {
+            P5_WantActive = false;
+            Actuators.P5 = MotorState.Halt;
+        }
+
+        public void EnableP6() {
+            if (!State.P6_HasClearance) {
+                if (!State.P6_HasDryRunClearance || !State.P6_WantsPathClearance)
+                    throw new NoClearanceException("P6 hat keine Freigabe");
+                P6_WantActive = true;
+                return;
+            }
+            P6_WantActive = false;
+            Actuators.P6 = MotorState.Forward;
+        }
+
+        public void DisableP6() {
+            P6_WantActive = false;
+            Actuators.P6 = MotorState.Halt;
+        }
+    }
+}

PamhagenSysCtrl/Helpers/Plc/PamhagenState.cs

@@ -0,0 +1,342 @@
+namespace PamhagenSysCtrl.Helpers.Plc {
+    public readonly record struct PamhagenState {
+
+        private readonly LegacyPamhagenPlc.SensorStates Sensors;
+        private readonly PamhagenPlc Plc;
+        private LegacyPamhagenPlc.ActuatorStates Actuators => Plc == null ? default : Plc.Actuators;
+
+        public bool ManualControlMode => Plc != null && Plc.ManualControlMode;
+        public bool OverridePathClearances => Plc != null && Plc.OverridePathClearances;
+        public bool OverrideDryRunClearances => Plc != null && Plc.OverrideDryRunClearances;
+
+        public long Valves => Actuators.Valves;
+        public readonly long OpenValves { get; }
+        public readonly long ClosedValves { get; }
+
+        public bool MW1_IsSelected => Sensors.TroughSelector == 1;
+        public bool MW2_IsSelected => Sensors.TroughSelector == 2;
+        public bool MW1_WantSelected => Actuators.GetV(58);
+        public bool MW2_WantSelected => !Actuators.GetV(58);
+        public FillState MW1_FillLevel => Sensors.FillLevelMW1;
+        public FillState MW2_FillLevel => Sensors.FillLevelMW2;
+
+        public FillState[] Tanks_FillLevel => Sensors.FillLevelTanks ?? [FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown, FillState.Unknown];
+        public FillState T1_FillLevel => Sensors.FillLevelTanks[0];
+        public FillState T2_FillLevel => Sensors.FillLevelTanks[1];
+        public FillState T3_FillLevel => Sensors.FillLevelTanks[2];
+        public FillState T4_FillLevel => Sensors.FillLevelTanks[3];
+        public FillState T5_FillLevel => Sensors.FillLevelTanks[4];
+        public FillState T6_FillLevel => Sensors.FillLevelTanks[5];
+        public FillState T7_FillLevel => Sensors.FillLevelTanks[6];
+        public FillState T8_FillLevel => Sensors.FillLevelTanks[7];
+        public FillState T9_FillLevel => Sensors.FillLevelTanks[8];
+
+        public MotorState PressCrossAuger_State => Sensors.PressCrossAuger;
+        public bool PressCrossAuger_IsActive => PressCrossAuger_State == MotorState.Forward;
+
+        public bool TroughAuger_IsActive => Actuators.TroughAuger;
+        public bool Rebler_IsActive => Actuators.Rebler;
+        public bool MW1_Stirrer_IsActive => Actuators.StirrerMW1;
+        public bool MW2_Stirrer_IsActive => Actuators.StirrerMW2;
+        public bool Auger1_IsActive => Actuators.Auger1;
+        public bool Auger2_IsActive => Actuators.Auger2;
+        public bool Auger3_IsActive => Actuators.Auger3;
+        public bool WasteDisposal_IsActive => Auger1_IsActive || Auger2_IsActive || Auger3_IsActive;
+
+        public MotorState MP1_State => Actuators.MP1;
+        public MotorState MP2_State => Actuators.MP2;
+        public MotorState P12_State => Actuators.P12;
+        public MotorState P3_State => Actuators.P3;
+        public MotorState P4_State => Actuators.P4;
+        public MotorState P5_State => Actuators.P5;
+        public MotorState P6_State => Actuators.P6;
+        public bool MP1_IsActive => Actuators.MP1 == MotorState.Forward || Actuators.MP1 == MotorState.Backward;
+        public bool MP2_IsActive => Actuators.MP2 == MotorState.Forward || Actuators.MP2 == MotorState.Backward;
+        public bool P12_IsActive => Actuators.P12 == MotorState.Forward;
+        public bool P3_IsActive => Actuators.P3 == MotorState.Forward;
+        public bool P4_IsActive => Actuators.P4 == MotorState.Forward;
+        public bool P5_IsActive => Actuators.P5 == MotorState.Forward;
+        public bool P6_IsActive => Actuators.P6 == MotorState.Forward;
+
+        public bool Press1_HasClearance => Sensors.ClearancePress1;
+        public bool Press2_HasClearance => Sensors.ClearancePress2;
+        public bool TroughAuger_HasClearance => Rebler_IsActive && !(MW1_IsSelected && MW1_FillLevel == FillState.Full) && !(MW2_IsSelected && MW2_FillLevel == FillState.Full);
+
+        private readonly bool MP1_PathClearance;
+        private readonly bool MP2_PathClearance;
+        private readonly bool P12_PathClearance;
+        private readonly bool P3_PathClearance;
+        private readonly bool P4_PathClearance;
+        private readonly bool P5_PathClearance;
+        private readonly bool P6_PathClearance;
+        private readonly bool MP1_DryRunClearance;
+        private readonly bool MP2_DryRunClearance;
+        private readonly bool P12_DryRunClearance;
+        private readonly bool P3_DryRunClearance;
+        private readonly bool P4_DryRunClearance;
+        private readonly bool P5_DryRunClearance;
+        private readonly bool P6_DryRunClearance;
+
+        public readonly bool MP1_WantsPathClearance { get; }
+        public readonly bool MP2_WantsPathClearance { get; }
+        public readonly bool P12_WantsPathClearance { get; }
+        public readonly bool P3_WantsPathClearance { get; }
+        public readonly bool P4_WantsPathClearance { get; }
+        public readonly bool P5_WantsPathClearance { get; }
+        public readonly bool P6_WantsPathClearance { get; }
+
+        public bool MP1_WantActive => Plc.MP1_WantActive;
+        public bool MP2_WantActive => Plc.MP2_WantActive;
+        public bool P12_WantActive => Plc.P12_WantActive;
+        public bool P3_WantActive => Plc.P3_WantActive;
+        public bool P4_WantActive => Plc.P4_WantActive;
+        public bool P5_WantActive => Plc.P5_WantActive;
+        public bool P6_WantActive => Plc.P6_WantActive;
+
+        public bool MP1_HasPathClearance => OverridePathClearances || MP1_PathClearance;
+        public bool MP2_HasPathClearance => OverridePathClearances || MP2_PathClearance;
+        public bool P12_HasPathClearance => OverridePathClearances || P12_PathClearance;
+        public bool P3_HasPathClearance => OverridePathClearances || P3_PathClearance;
+        public bool P4_HasPathClearance => OverridePathClearances || P4_PathClearance;
+        public bool P5_HasPathClearance => OverridePathClearances || P5_PathClearance;
+        public bool P6_HasPathClearance => OverridePathClearances || P6_PathClearance;
+        public bool MP1_HasDryRunClearance => OverrideDryRunClearances || MP1_DryRunClearance;
+        public bool MP2_HasDryRunClearance => OverrideDryRunClearances || MP2_DryRunClearance;
+        public bool P12_HasDryRunClearance => OverrideDryRunClearances || P12_DryRunClearance;
+        public bool P3_HasDryRunClearance => OverrideDryRunClearances || P3_DryRunClearance;
+        public bool P4_HasDryRunClearance => OverrideDryRunClearances || P4_DryRunClearance;
+        public bool P5_HasDryRunClearance => OverrideDryRunClearances || P5_DryRunClearance;
+        public bool P6_HasDryRunClearance => OverrideDryRunClearances || P6_DryRunClearance;
+        public bool MP1_HasClearance => MP1_HasDryRunClearance && MP1_HasPathClearance;
+        public bool MP2_HasClearance => MP2_HasDryRunClearance && MP2_HasPathClearance;
+        public bool P12_HasClearance => P12_HasDryRunClearance && P12_HasPathClearance;
+        public bool P3_HasClearance => P3_HasDryRunClearance && P3_HasPathClearance;
+        public bool P4_HasClearance => P4_HasDryRunClearance && P4_HasPathClearance;
+        public bool P5_HasClearance => P4_HasDryRunClearance && P5_HasPathClearance;
+        public bool P6_HasClearance => P6_HasDryRunClearance && P6_HasPathClearance;
+
+        public PamhagenState(IEnumerable<LegacyPamhagenPlc.SensorStates> sensors, PamhagenPlc plc) {
+            Sensors = sensors.First();
+            Plc = plc;
+
+            OpenValves = sensors.Take(Plc.ConsiderLastSensorsOpen).Aggregate(-1L, (m, s) => m & ~s.PressureSensors);
+            ClosedValves = sensors.Take(Plc.ConsiderLastSensorsClose).Aggregate(-1L, (m, s) => m & s.PressureSensors);
+
+            MP1_WantsPathClearance = WantsPathClearnace(this, Paths.MP1);
+            MP2_WantsPathClearance = WantsPathClearnace(this, Paths.MP2);
+            P12_WantsPathClearance = WantsPathClearnace(this, Paths.P12);
+            P3_WantsPathClearance = WantsPathClearnace(this, Paths.P3);
+            P4_WantsPathClearance = WantsPathClearnace(this, Paths.P4);
+            P5_WantsPathClearance = WantsPathClearnace(this, Paths.P5);
+            P6_WantsPathClearance = WantsPathClearnace(this, Paths.P6);
+
+            MP1_PathClearance = HasPathClearance(this, Paths.MP1);
+            MP2_PathClearance = HasPathClearance(this, Paths.MP2);
+            P12_PathClearance = HasPathClearance(this, Paths.P12);
+            P3_PathClearance = HasPathClearance(this, Paths.P3);
+            P4_PathClearance = HasPathClearance(this, Paths.P4);
+            P5_PathClearance = HasPathClearance(this, Paths.P5);
+            P6_PathClearance = HasPathClearance(this, Paths.P6);
+
+            MP1_DryRunClearance = MW1_FillLevel != FillState.Empty;
+            MP2_DryRunClearance = MW2_FillLevel != FillState.Empty;
+            P12_DryRunClearance = T1_FillLevel != FillState.Empty || T2_FillLevel != FillState.Empty;
+            P3_DryRunClearance = T3_FillLevel != FillState.Empty;
+            P4_DryRunClearance = T4_FillLevel != FillState.Empty;
+            P5_DryRunClearance = T5_FillLevel != FillState.Empty;
+            P6_DryRunClearance = true;
+        }
+
+        public bool Valve_IsClosed(int n) => (ClosedValves & (1L << (n - 1))) != 0;
+        public bool Valve_IsTransitioning(int n) => !Valve_IsClosed(n) && !Valve_IsOpen(n);
+        public bool Valve_IsOpen(int n) => (OpenValves & (1L << (n - 1))) != 0;
+        public bool? Valve_OpenState(int n) => Valve_IsOpen(n) ? true : Valve_IsClosed(n) ? false : null;
+        public bool Valve_WantOpen(int n) => Actuators.GetV(n);
+        public bool Valve_WantClosed(int n) => !Valve_WantOpen(n);
+
+        private record struct ValveStates(int[] Open, int[] Closed) {
+            public readonly ValveStateMask ToMask() => new(Open.Aggregate(0L, (m, n) => m | (1L << (n - 1))), Open.Concat(Closed).Aggregate(0L, (m, n) => m | (1L << (n - 1))));
+            public static ValveStates operator +(ValveStates a, ValveStates b) {
+                return new([.. a.Open, .. b.Open], [.. a.Closed, .. b.Closed]);
+            }
+        }
+
+        private record struct ValveStateMask(long States, long Mask) {
+            public static ValveStateMask[] From(IEnumerable<ValveStates> states) => [.. states.Select(s => s.ToMask())];
+            public static bool operator ==(long a, ValveStateMask b) => (a & b.Mask) == b.States;
+            public static bool operator >=(long a, ValveStateMask b) => (a & b.States) == b.States;
+            public static bool operator !=(long a, ValveStateMask b) => !(a == b);
+            public static bool operator <=(long a, ValveStateMask b) => !(a >= b);
+        }
+
+        private static bool HasSinglePathClearance(PamhagenState state, IEnumerable<ValveStateMask> masks) {
+            return masks.Any(m => state.Valves == m && state.OpenValves == m && ~state.ClosedValves == m);
+        }
+
+        private static bool HasAnyPathClearance(PamhagenState state, IEnumerable<ValveStateMask> masks) {
+            return masks.Any(m => state.Valves >= m && state.OpenValves >= m && ~state.ClosedValves >= m);
+        }
+
+        private static bool WantsSinglePathClearance(PamhagenState state, IEnumerable<ValveStateMask> masks) {
+            return masks.Any(m => state.Valves == m);
+        }
+
+        private static bool WantsAnyPathClearance(PamhagenState state, IEnumerable<ValveStateMask> masks) {
+            return masks.Any(m => state.Valves >= m);
+        }
+
+        private static bool HasPathClearance(PamhagenState state, (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) masks) {
+            return
+                (HasSinglePathClearance(state, masks.Press1) && state.Press1_HasClearance) ||
+                (HasSinglePathClearance(state, masks.Press2) && state.Press2_HasClearance) ||
+                (HasSinglePathClearance(state, masks.Tanks[0]) && state.T1_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[1]) && state.T2_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[2]) && state.T3_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[3]) && state.T4_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[4]) && state.T5_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[5]) && state.T6_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[6]) && state.T7_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[7]) && state.T8_FillLevel != FillState.Full) ||
+                (HasSinglePathClearance(state, masks.Tanks[8]) && state.T9_FillLevel != FillState.Full) ||
+                false;
+        }
+
+        private static bool WantsPathClearnace(PamhagenState state, (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) masks) {
+            return
+                (WantsSinglePathClearance(state, masks.Press1) && state.Press1_HasClearance) ||
+                (WantsSinglePathClearance(state, masks.Press2) && state.Press2_HasClearance) ||
+                (WantsSinglePathClearance(state, masks.Tanks[0]) && state.T1_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[1]) && state.T2_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[2]) && state.T3_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[3]) && state.T4_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[4]) && state.T5_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[5]) && state.T6_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[6]) && state.T7_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[7]) && state.T8_FillLevel != FillState.Full) ||
+                (WantsSinglePathClearance(state, masks.Tanks[8]) && state.T9_FillLevel != FillState.Full) ||
+                false;
+        }
+
+        private static bool HasPathClearance(PamhagenState state, (ValveStateMask[] Press1, ValveStateMask[] Press2) masks) {
+            return
+                (HasSinglePathClearance(state, masks.Press1) && state.Press1_HasClearance) ||
+                (HasSinglePathClearance(state, masks.Press2) && state.Press2_HasClearance) ||
+                false;
+        }
+
+        private static bool WantsPathClearnace(PamhagenState state, (ValveStateMask[] Press1, ValveStateMask[] Press2) masks) {
+            return
+                (WantsSinglePathClearance(state, masks.Press1) && state.Press1_HasClearance) ||
+                (WantsSinglePathClearance(state, masks.Press2) && state.Press2_HasClearance) ||
+                false;
+        }
+
+        private static readonly (
+            (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) MP1,
+            (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) MP2,
+            (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) P12,
+            (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) P3,
+            (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) P4,
+            (ValveStateMask[] Press1, ValveStateMask[] Press2, ValveStateMask[][] Tanks) P5,
+            (ValveStateMask[] Press1, ValveStateMask[] Press2) P6
+        ) Paths;
+
+        static PamhagenState() {
+            ValveStates[] wt_aa = [
+                new([12], [15, 16, 20]),  // bypass
+                new([15, 18, 16], [11, 12, 14, 17, 19, 20]),  // WT1
+                new([15, 17, 20], [11, 12, 18, 19, 21]),  // WT2
+                new([15, 18, 19, 20], [11, 12, 14, 16, 17, 21]),  // WT1+WT2
+            ];
+            ValveStates[] wt_ab = [
+                new([15, 18, 14], [11, 12, 13, 16, 17, 19, 21]),  // WT1
+                new([15, 17, 21], [11, 12, 13, 18, 19, 20]),  // WT2
+                new([15, 18, 19, 21], [11, 12, 13, 14, 16, 17, 20]),  // WT1+WT2
+            ];
+            ValveStates[] wt_ba = [
+                new([11, 18, 16], [15, 12, 13, 14, 17, 19, 20]),  // WT1
+                new([11, 17, 20], [15, 12, 13, 18, 19, 21]),  // WT2
+                new([11, 18, 19, 20], [15, 12, 13, 14, 16, 17, 21]),  // WT1+WT2
+            ];
+            ValveStates[] wt_bb = [
+                new([13], [11, 14, 21]),  // bypass
+                new([11, 18, 14], [15, 13, 16, 17, 19, 21]),  // WT1
+                new([11, 17, 21], [15, 13, 18, 19, 20]),  // WT2
+                new([11, 18, 19, 21], [15, 13, 14, 16, 17, 20]),  // WT1+WT2
+            ];
+
+            ValveStates[][] tanks = [
+                [new([22], [24, 26, 28]), new([23], [25, 27, 29])],
+                [new([24], [22, 26, 28]), new([25], [23, 27, 29])],
+                [new([26], [22, 24, 28]), new([27], [23, 25, 29])],
+                [new([28, 30], [22, 24, 26, 32, 34]), new([29, 31], [23, 25, 27, 33, 35])],
+                [new([28, 32], [22, 24, 26, 30, 34]), new([29, 33], [23, 25, 27, 31, 35])],
+                [new([28, 34, 37], [22, 24, 26, 30, 32, 39, 41, 43]), new([29, 35, 36], [23, 25, 27, 31, 33, 38, 40, 42])],
+                [new([28, 34, 39], [22, 24, 26, 30, 32, 37, 41, 43]), new([29, 35, 38], [23, 25, 27, 31, 33, 36, 40, 42])],
+                [new([28, 34, 41], [22, 24, 26, 30, 32, 37, 39, 43]), new([29, 35, 40], [23, 25, 27, 31, 33, 36, 38, 42])],
+                [new([28, 34, 43], [22, 24, 26, 30, 32, 37, 39, 41]), new([29, 35, 42], [23, 25, 27, 31, 33, 36, 38, 40])],
+            ];
+
+            ValveStates[] mp1_pr1 = [
+                new([1, 6, 51], [3, 4, 5, 50, 52, 53, 55]),
+                new([4, 8, 52], [1, 2, 7, 50, 51, 53, 56]),
+            ];
+            ValveStates[] mp1_pr2 = [
+                new([1, 6, 55], [3, 4, 5, 51, 54, 56, 57]),
+                new([4, 8, 56], [1, 2, 7, 52, 54, 55, 57]),
+            ];
+            ValveStates mp1_wt_a = new([1, 5], [3, 4, 6]);
+            ValveStates mp1_wt_b = new([4, 7, 9], [1, 2, 8, 10]);
+            ValveStates[] mp1_a = [.. wt_aa.Select(m => mp1_wt_a + m), .. wt_ba.Select(m => mp1_wt_b + m)];
+            ValveStates[] mp1_b = [.. wt_ab.Select(m => mp1_wt_a + m), .. wt_bb.Select(m => mp1_wt_b + m)];
+            ValveStates[][] mp1_t = [.. tanks.Select<ValveStates[], ValveStates[]>(t => [.. mp1_a.Select(m => m + t[0]), .. mp1_b.Select(m => m + t[1])])];
+
+            ValveStates[] mp2_pr1 = [
+                  new([2, 8, 52], [3, 4, 7, 50, 51, 53, 56]),
+                  new([3, 6, 51], [1, 2, 5, 50, 52, 53, 55]),
+            ];
+            ValveStates[] mp2_pr2 = [
+                new([2, 8, 56], [3, 4, 7, 52, 54, 55, 57]),
+                new([3, 6, 55], [2, 1, 5, 51, 54, 56, 57]),
+            ];
+            ValveStates mp2_wt_a = new([3, 5], [1, 2, 6]);
+            ValveStates mp2_wt_b = new([2, 7, 9], [3, 4, 8, 10]);
+            ValveStates[] mp2_a = [.. wt_aa.Select(m => mp2_wt_a + m), .. wt_ba.Select(m => mp2_wt_b + m)];
+            ValveStates[] mp2_b = [.. wt_ab.Select(m => mp2_wt_a + m), .. wt_bb.Select(m => mp2_wt_b + m)];
+            ValveStates[][] mp2_t = [.. tanks.Select<ValveStates[], ValveStates[]>(t => [.. mp2_a.Select(m => m + t[0]), .. mp2_b.Select(m => m + t[1])])];
+
+            ValveStates[] p12_pr1 = [new([44, 46, 49, 50], [10, 45, 47, 48, 54, 51, 52, 53])];
+            ValveStates[] p12_pr2 = [new([44, 46, 49, 54], [10, 45, 47, 48, 50, 55, 56, 57])];
+            ValveStates[] p12_b = [new([44, 10], [9, 45, 46])];
+            ValveStates[][] p12_t = [.. tanks.Select<ValveStates[], ValveStates[]>(t => [.. p12_b.Select(m => m + t[1])])];
+
+            ValveStates[] p3_pr1 = [new([45, 46, 49, 50], [10, 44, 47, 48, 51, 52, 53, 54])];
+            ValveStates[] p3_pr2 = [new([45, 46, 49, 54], [10, 44, 47, 48, 50, 55, 56, 57])];
+            ValveStates[] p3_b = [new([45, 10], [9, 44, 46])];
+            ValveStates[][] p3_t = [.. tanks.Select<ValveStates[], ValveStates[]>(t => [.. p3_b.Select(m => m + t[1])])];
+
+            ValveStates[] p4_pr1 = [new([47, 49, 50], [46, 48, 51, 52, 53, 54])];
+            ValveStates[] p4_pr2 = [new([47, 49, 54], [46, 48, 50, 55, 56, 57])];
+            ValveStates[] p4_b = [new([47, 46, 10], [9, 44, 45, 48, 49])];
+            ValveStates[][] p4_t = [.. tanks.Select<ValveStates[], ValveStates[]>(t => [.. p4_b.Select(m => m + t[1])])];
+
+            ValveStates[] p5_pr1 = [new([48, 49, 50], [46, 47, 51, 52, 53, 54])];
+            ValveStates[] p5_pr2 = [new([48, 49, 54], [46, 47, 50, 55, 56, 57])];
+            ValveStates[] p5_b = [new([48, 46, 10], [9, 44, 45, 47, 49])];
+            ValveStates[][] p5_t = [.. tanks.Select<ValveStates[], ValveStates[]>(t => [.. p5_b.Select(m => m + t[1])])];
+
+            ValveStates[] p6_pr1 = [new([53], [50, 51, 52, 57])];
+            ValveStates[] p6_pr2 = [new([57], [53, 54, 55, 56])];
+
+            Paths = (
+                (ValveStateMask.From(mp1_pr1), ValveStateMask.From(mp1_pr2), [.. mp1_t.Select(t => ValveStateMask.From(t))]),
+                (ValveStateMask.From(mp2_pr1), ValveStateMask.From(mp2_pr2), [.. mp2_t.Select(t => ValveStateMask.From(t))]),
+                (ValveStateMask.From(p12_pr1), ValveStateMask.From(p12_pr2), [.. p12_t.Select(t => ValveStateMask.From(t))]),
+                (ValveStateMask.From(p3_pr1), ValveStateMask.From(p3_pr2), [.. p3_t.Select(t => ValveStateMask.From(t))]),
+                (ValveStateMask.From(p4_pr1), ValveStateMask.From(p4_pr2), [.. p4_t.Select(t => ValveStateMask.From(t))]),
+                (ValveStateMask.From(p5_pr1), ValveStateMask.From(p5_pr2), [.. p5_t.Select(t => ValveStateMask.From(t))]),
+                (ValveStateMask.From(p6_pr1), ValveStateMask.From(p6_pr2))
+            );
+        }
+    }
+}

PamhagenSysCtrl/Helpers/Plc/T1.cs

@@ -2,7 +2,7 @@ using System.IO;
 using System.IO.Ports;
 using System.Text;
 
-namespace PamhagenSysCtrl.Helpers {
+namespace PamhagenSysCtrl.Helpers.Plc {
     public class T1 : IDisposable {
 
         public enum Mode { HALT = 1, RUN = 2, RUN_F = 3, HOLD = 4, ERROR = 6 }
@@ -51,7 +51,7 @@ namespace PamhagenSysCtrl.Helpers {
             Serial.WriteLine(line.ToString());
         }
 
-        protected async Task<(string, string)> ReceiveResponse(string? expectedCmd = null) {
+        protected async Task<(string Command, string Data)> ReceiveResponse(string? expectedCmd = null) {
             var line = Serial.ReadLine();
             if (line.Length < 8 || !line.StartsWith("(A") || !line.EndsWith(')') || line[^4] != '&') {
                 throw new FormatException("Invalid response from PLC (T1)");

PamhagenSysCtrl/Helpers/Plc/T1Error.cs

@@ -1,4 +1,4 @@
-namespace PamhagenSysCtrl.Helpers {
+namespace PamhagenSysCtrl.Helpers.Plc {
     public enum T1Error {
         UNKNOWN_ERROR                   =   -1,
         NO_ERROR                        =    0,

PamhagenSysCtrl/Helpers/Plc/T1Exception.cs

@@ -1,4 +1,4 @@
-namespace PamhagenSysCtrl.Helpers {
+namespace PamhagenSysCtrl.Helpers.Plc {
     public class T1Exception(string msg) : Exception(msg) {
     }
 }

PamhagenSysCtrl/Helpers/Xbe24Keyboard.cs

@@ -1,6 +1,6 @@
 using PIEHidNetCore;
+using System.Drawing;
 using System.IO;
-using System.Windows.Media;
 
 namespace PamhagenSysCtrl.Helpers {
     public class Xbe24Keyboard : IDisposable, PIEDataHandler, PIEErrorHandler {
@@ -11,6 +11,21 @@ namespace PamhagenSysCtrl.Helpers {
             public readonly bool GetKey(int n) => (Rows[n / 6] & (1 << (n % 6))) != 0;
         }
 
+        public static readonly Color DefaltBacklight = Color.FromArgb(3, 3, 3);
+        public static readonly Color Neutral = Color.FromArgb(4, 4, 4);
+        public static readonly Color Red = Color.FromArgb(255, 0, 0);
+        public static readonly Color Green = Color.FromArgb(0, 255, 0);
+        public static readonly Color Blue = Color.FromArgb(0, 0, 255);
+        public static readonly Color Yellow = Color.FromArgb(255, 255, 0);
+        public static readonly Color Magenta = Color.FromArgb(255, 0, 255);
+        public static readonly Color Cyan = Color.FromArgb(0, 255, 255);
+        public static readonly Color Orange = Color.FromArgb(255, 32, 0);
+        public static readonly Color DarkPurple = Color.FromArgb(128, 0, 128);
+        public static readonly Color Purple = Color.FromArgb(255, 64, 255);
+        public static readonly Color LightRed = Color.FromArgb(32, 4, 4);
+        public static readonly Color LightGreen = Color.FromArgb(4, 32, 4);
+        public static readonly Color LightBlue = Color.FromArgb(4, 4, 32);
+
         protected readonly PIEDevice XbeDevice;
 
         private KeyState LastKeyState = new(new byte[4]);
@@ -21,6 +36,7 @@ namespace PamhagenSysCtrl.Helpers {
         public event EventHandler<int>? KeyDown;
         public event EventHandler<int>? KeyUp;
         public event EventHandler<KeyState>? KeysChanged;
+        public event EventHandler<int>? Error;
 
         public Xbe24Keyboard(int pid = 0x0555) {
             foreach (var device in PIEDevice.EnumeratePIE()) {
@@ -39,9 +55,13 @@ namespace PamhagenSysCtrl.Helpers {
                 throw new IOException($"Unable to SetDataCallback for XBE keyboard: {res}");
             if ((res = XbeDevice.SetErrorCallback(this)) != 0)
                 throw new IOException($"Unable to SetErrorCallback for XBE keyboard: {res}");
+
+            SetBacklight(DefaltBacklight);
         }
 
         public void Dispose() {
+            GC.SuppressFinalize(this);
+            SetBacklight(DefaltBacklight);
             XbeDevice?.CloseInterface();
         }
 
@@ -57,7 +77,7 @@ namespace PamhagenSysCtrl.Helpers {
         public void HandlePIEHidError(PIEDevice sourceDevice, int error) {
             if (sourceDevice != XbeDevice)
                 return;
-            // TODO
+            Error?.Invoke(this, error);
         }
 
         protected void HandleKeyStateChange(KeyState current, KeyState last) {

PamhagenSysCtrl/Windows/ManualControlWindow.xaml.cs

@@ -29,14 +29,14 @@ namespace PamhagenSysCtrl {
                     if (App.Plant == null || sender is not Button b) return;
                     var i = int.Parse($"{b.Content}"[1..]);
                     if (i == 58) {
-                        if (App.Plant.WantMW1Selected) {
+                        if (App.Plant.State.MW1_WantSelected) {
                             App.Plant.SelectMW2();
                         } else {
                             App.Plant.SelectMW1();
                         }
                     } else if (i > 57) {
                         return;
-                    } else if (App.Plant.WantValveOpen(i)) {
+                    } else if (App.Plant.State.Valve_WantOpen(i)) {
                         App.Plant.CloseV(i);
                     } else {
                         App.Plant.OpenV(i);
@@ -60,8 +60,8 @@ namespace PamhagenSysCtrl {
             if (sender is not PamhagenPlant plant) return;
 
             for (int i = 1; i <= 58; i++) {
-                var target = plant.WantValveClosed(i);
+                var target = plant.State.Valve_WantClosed(i);
-                var actual = plant.IsValveClosed(i);
+                var actual = plant.State.Valve_IsClosed(i);
                 if (ValvePanel.Children[i - 1] is not Button b)
                     continue;
                 b.BorderBrush = target ? Brushes.DarkRed : Brushes.DarkGreen;
@@ -69,98 +69,97 @@ namespace PamhagenSysCtrl {
                 b.Background = actual ? Brushes.MistyRose : Brushes.MintCream;
             }
 
-            ReblerButton.BorderBrush = plant.IsReblerActive ? Brushes.DarkGreen : Brushes.DarkRed;
+            ReblerButton.BorderBrush = plant.State.Rebler_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            ReblerButton.Foreground = plant.IsReblerActive ? Brushes.DarkGreen : Brushes.DarkRed;
+            ReblerButton.Foreground = plant.State.Rebler_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            ReblerButton.Background = plant.IsReblerActive ? Brushes.MintCream: Brushes.MistyRose;
+            ReblerButton.Background = plant.State.Rebler_IsActive ? Brushes.MintCream: Brushes.MistyRose;
 
-            TroughAugerButton.BorderBrush = plant.IsTroughAugerActive ? Brushes.DarkGreen : Brushes.DarkRed;
+            TroughAugerButton.BorderBrush = plant.State.TroughAuger_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            TroughAugerButton.Foreground = plant.IsTroughAugerActive ? Brushes.DarkGreen : Brushes.DarkRed;
+            TroughAugerButton.Foreground = plant.State.TroughAuger_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            TroughAugerButton.Background = plant.IsTroughAugerActive ? Brushes.MintCream : Brushes.MistyRose;
+            TroughAugerButton.Background = plant.State.TroughAuger_IsActive ? Brushes.MintCream : Brushes.MistyRose;
 
-            StirrerMW1Button.BorderBrush = plant.IsStirrerMW1Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            StirrerMW1Button.BorderBrush = plant.State.MW1_Stirrer_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            StirrerMW1Button.Foreground = plant.IsStirrerMW1Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            StirrerMW1Button.Foreground = plant.State.MW1_Stirrer_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            StirrerMW1Button.Background = plant.IsStirrerMW1Active ? Brushes.MintCream : Brushes.MistyRose;
+            StirrerMW1Button.Background = plant.State.MW1_Stirrer_IsActive ? Brushes.MintCream : Brushes.MistyRose;
 
-            StirrerMW2Button.BorderBrush = plant.IsStirrerMW2Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            StirrerMW2Button.BorderBrush = plant.State.MW2_Stirrer_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            StirrerMW2Button.Foreground = plant.IsStirrerMW2Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            StirrerMW2Button.Foreground = plant.State.MW2_Stirrer_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            StirrerMW2Button.Background = plant.IsStirrerMW2Active ? Brushes.MintCream : Brushes.MistyRose;
+            StirrerMW2Button.Background = plant.State.MW2_Stirrer_IsActive ? Brushes.MintCream : Brushes.MistyRose;
 
-            Auger1Button.BorderBrush = plant.IsAuger1Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            Auger1Button.BorderBrush = plant.State.Auger1_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            Auger1Button.Foreground = plant.IsAuger1Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            Auger1Button.Foreground = plant.State.Auger1_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            Auger1Button.Background = plant.IsAuger1Active ? Brushes.MintCream : Brushes.MistyRose;
+            Auger1Button.Background = plant.State.Auger1_IsActive ? Brushes.MintCream : Brushes.MistyRose;
 
-            Auger2Button.BorderBrush = plant.IsAuger2Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            Auger2Button.BorderBrush = plant.State.Auger2_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            Auger2Button.Foreground = plant.IsAuger2Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            Auger2Button.Foreground = plant.State.Auger2_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            Auger2Button.Background = plant.IsAuger2Active ? Brushes.MintCream : Brushes.MistyRose;
+            Auger2Button.Background = plant.State.Auger2_IsActive ? Brushes.MintCream : Brushes.MistyRose;
 
-            Auger3Button.BorderBrush = plant.IsAuger3Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            Auger3Button.BorderBrush = plant.State.Auger3_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            Auger3Button.Foreground = plant.IsAuger3Active ? Brushes.DarkGreen : Brushes.DarkRed;
+            Auger3Button.Foreground = plant.State.Auger3_IsActive ? Brushes.DarkGreen : Brushes.DarkRed;
-            Auger3Button.Background = plant.IsAuger3Active ? Brushes.MintCream : Brushes.MistyRose;
+            Auger3Button.Background = plant.State.Auger3_IsActive ? Brushes.MintCream : Brushes.MistyRose;
 
-            MP1BackwardButton.BorderBrush = plant.MP1 == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP1BackwardButton.BorderBrush = plant.State.MP1_State == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP1BackwardButton.Foreground = plant.MP1 == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP1BackwardButton.Foreground = plant.State.MP1_State == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP1BackwardButton.Background = plant.MP1 == MotorState.Backward ? Brushes.MintCream : Brushes.WhiteSmoke;
+            MP1BackwardButton.Background = plant.State.MP1_State == MotorState.Backward ? Brushes.MintCream : Brushes.WhiteSmoke;
-            MP1HaltButton.BorderBrush = plant.MP1 == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
+            MP1HaltButton.BorderBrush = plant.State.MP1_State == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
-            MP1HaltButton.Foreground = plant.MP1 == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
+            MP1HaltButton.Foreground = plant.State.MP1_State == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
-            MP1HaltButton.Background = plant.MP1 == MotorState.Halt ? Brushes.MistyRose : Brushes.WhiteSmoke;
+            MP1HaltButton.Background = plant.State.MP1_State == MotorState.Halt ? Brushes.MistyRose : Brushes.WhiteSmoke;
-            MP1ForwardButton.BorderBrush = plant.MP1 == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP1ForwardButton.BorderBrush = plant.State.MP1_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP1ForwardButton.Foreground = plant.MP1 == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP1ForwardButton.Foreground = plant.State.MP1_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP1ForwardButton.Background = plant.MP1 == MotorState.Forward ? Brushes.MintCream: Brushes.WhiteSmoke;
+            MP1ForwardButton.Background = plant.State.MP1_State == MotorState.Forward ? Brushes.MintCream: Brushes.WhiteSmoke;
 
-            MP2BackwardButton.BorderBrush = plant.MP2 == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP2BackwardButton.BorderBrush = plant.State.MP2_State == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP2BackwardButton.Foreground = plant.MP2 == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP2BackwardButton.Foreground = plant.State.MP2_State == MotorState.Backward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP2BackwardButton.Background = plant.MP2 == MotorState.Backward ? Brushes.MintCream : Brushes.WhiteSmoke;
+            MP2BackwardButton.Background = plant.State.MP2_State == MotorState.Backward ? Brushes.MintCream : Brushes.WhiteSmoke;
-            MP2HaltButton.BorderBrush = plant.MP2 == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
+            MP2HaltButton.BorderBrush = plant.State.MP2_State == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
-            MP2HaltButton.Foreground = plant.MP2 == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
+            MP2HaltButton.Foreground = plant.State.MP2_State == MotorState.Halt ? Brushes.DarkRed : Brushes.SlateGray;
-            MP2HaltButton.Background = plant.MP2 == MotorState.Halt ? Brushes.MistyRose : Brushes.WhiteSmoke;
+            MP2HaltButton.Background = plant.State.MP2_State == MotorState.Halt ? Brushes.MistyRose : Brushes.WhiteSmoke;
-            MP2ForwardButton.BorderBrush = plant.MP2 == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP2ForwardButton.BorderBrush = plant.State.MP2_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP2ForwardButton.Foreground = plant.MP2 == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
+            MP2ForwardButton.Foreground = plant.State.MP2_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.SlateGray;
-            MP2ForwardButton.Background = plant.MP2 == MotorState.Forward ? Brushes.MintCream : Brushes.WhiteSmoke;
+            MP2ForwardButton.Background = plant.State.MP2_State == MotorState.Forward ? Brushes.MintCream : Brushes.WhiteSmoke;
 
-            P12Button.BorderBrush = plant.P12 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P12Button.BorderBrush = plant.State.P12_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P12Button.Foreground = plant.P12 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P12Button.Foreground = plant.State.P12_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P12Button.Background = plant.P12 == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
+            P12Button.Background = plant.State.P12_State == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
 
-            P3Button.BorderBrush = plant.P3 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P3Button.BorderBrush = plant.State.P3_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P3Button.Foreground = plant.P3 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P3Button.Foreground = plant.State.P3_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P3Button.Background = plant.P3 == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
+            P3Button.Background = plant.State.P3_State == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
 
-            P4Button.BorderBrush = plant.P4 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P4Button.BorderBrush = plant.State.P4_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P4Button.Foreground = plant.P4 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P4Button.Foreground = plant.State.P4_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P4Button.Background = plant.P4 == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
+            P4Button.Background = plant.State.P4_State == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
 
-            P5Button.BorderBrush = plant.P5 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P5Button.BorderBrush = plant.State.P5_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P5Button.Foreground = plant.P5 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P5Button.Foreground = plant.State.P5_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P5Button.Background = plant.P5 == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
+            P5Button.Background = plant.State.P5_State == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
 
-            P6Button.BorderBrush = plant.P6 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P6Button.BorderBrush = plant.State.P6_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P6Button.Foreground = plant.P6 == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
+            P6Button.Foreground = plant.State.P6_State == MotorState.Forward ? Brushes.DarkGreen : Brushes.DarkRed;
-            P6Button.Background = plant.P6 == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
+            P6Button.Background = plant.State.P6_State == MotorState.Forward ? Brushes.MintCream : Brushes.MistyRose;
 
             Status.Text = $"""
-            Gradation °Oe: {plant.GradationOe:N2}
+            Presse Querschnecke: {plant.State.PressCrossAuger_State}
-            Presse Querschnecke: {plant.PresseQuerSchnecke}
             Füllstände:
-              Maischewanne 1: {plant.FillLevelMW1} (ausgewählt: {plant.WantMW1Selected}, Status: {plant.IsMW1Selected})
+              Maischewanne 1: {plant.State.MW2_FillLevel} (ausgewählt: {plant.State.MW1_WantSelected}, Status: {plant.State.MW1_IsSelected})
-              Maischewanne 2: {plant.FillLevelMW2} (ausgewählt: {plant.WantMW2Selected}, Status: {plant.IsMW2Selected})
+              Maischewanne 2: {plant.State.MW2_FillLevel} (ausgewählt: {plant.State.MW2_WantSelected}, Status: {plant.State.MW2_IsSelected})
-              Presse 1: {plant.Press1HasClearance}
+              Presse 1: {plant.State.Press1_HasClearance}
-              Presse 2: {plant.Press2HasClearance}
+              Presse 2: {plant.State.Press2_HasClearance}
-              Tank 1: {plant.FillLevelT1}
+              Tank 1: {plant.State.T1_FillLevel}
-              Tank 2: {plant.FillLevelT2}
+              Tank 2: {plant.State.T2_FillLevel}
-              Tank 3: {plant.FillLevelT3}
+              Tank 3: {plant.State.T3_FillLevel}
-              Tank 4: {plant.FillLevelT4}
+              Tank 4: {plant.State.T4_FillLevel}
-              Tank 5: {plant.FillLevelT5}
+              Tank 5: {plant.State.T5_FillLevel}
-              Tank 6: {plant.FillLevelT6}
+              Tank 6: {plant.State.T6_FillLevel}
-              Tank 7: {plant.FillLevelT7}
+              Tank 7: {plant.State.T7_FillLevel}
-              Tank 8: {plant.FillLevelT8}
+              Tank 8: {plant.State.T8_FillLevel}
-              Tank 9: {plant.FillLevelT9}
+              Tank 9: {plant.State.T9_FillLevel}
             """;
         }
 
         private void TroughAugerButton_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsTroughAugerActive) {
+                if (App.Plant.State.TroughAuger_IsActive) {
                     App.Plant.StopTroughAuger();
                 } else {
                     App.Plant.StartTroughAuger();
@@ -173,7 +172,7 @@ namespace PamhagenSysCtrl {
         private void ReblerButton_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsReblerActive) {
+                if (App.Plant.State.Rebler_IsActive) {
                     App.Plant.StopRebler();
                 } else {
                     App.Plant.StartRebler();
@@ -186,7 +185,7 @@ namespace PamhagenSysCtrl {
         private void StirrerMW1Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsStirrerMW1Active) {
+                if (App.Plant.State.MW1_Stirrer_IsActive) {
                     App.Plant.StopStirrerMW1();
                 } else {
                     App.Plant.StartStirrerMW1();
@@ -199,7 +198,7 @@ namespace PamhagenSysCtrl {
         private void StirrerMW2Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsStirrerMW2Active) {
+                if (App.Plant.State.MW2_Stirrer_IsActive) {
                     App.Plant.StopStirrerMW2();
                 } else {
                     App.Plant.StartStirrerMW2();
@@ -212,7 +211,7 @@ namespace PamhagenSysCtrl {
         private void Auger1Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsAuger1Active) {
+                if (App.Plant.State.Auger1_IsActive) {
                     App.Plant.StopAuger1();
                 } else {
                     App.Plant.StartAuger1();
@@ -225,7 +224,7 @@ namespace PamhagenSysCtrl {
         private void Auger2Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsAuger2Active) {
+                if (App.Plant.State.Auger2_IsActive) {
                     App.Plant.StopAuger2();
                 } else {
                     App.Plant.StartAuger2();
@@ -238,7 +237,7 @@ namespace PamhagenSysCtrl {
         private void Auger3Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.IsAuger3Active) {
+                if (App.Plant.State.Auger3_IsActive) {
                     App.Plant.StopAuger3();
                 } else {
                     App.Plant.StartAuger3();
@@ -306,10 +305,10 @@ namespace PamhagenSysCtrl {
         private void P12Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.P12 == MotorState.Forward) {
+                if (App.Plant.State.P12_IsActive) {
-                    App.Plant.StopP12();
+                    App.Plant.DisableP12();
                 } else {
-                    App.Plant.StartP12();
+                    App.Plant.EnableP12();
                 }
             } catch (NoClearanceException exc) {
                 MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -319,10 +318,10 @@ namespace PamhagenSysCtrl {
         private void P3Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.P3 == MotorState.Forward) {
+                if (App.Plant.State.P3_IsActive) {
-                    App.Plant.StopP3();
+                    App.Plant.DisableP3();
                 } else {
-                    App.Plant.StartP3();
+                    App.Plant.EnableP3();
                 }
             } catch (NoClearanceException exc) {
                 MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -332,10 +331,10 @@ namespace PamhagenSysCtrl {
         private void P4Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.P4 == MotorState.Forward) {
+                if (App.Plant.State.P4_IsActive) {
-                    App.Plant.StopP4();
+                    App.Plant.DisableP4();
                 } else {
-                    App.Plant.StartP4();
+                    App.Plant.EnableP4();
                 }
             } catch (NoClearanceException exc) {
                 MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -345,10 +344,10 @@ namespace PamhagenSysCtrl {
         private void P5Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.P5 == MotorState.Forward) {
+                if (App.Plant.State.P5_IsActive) {
-                    App.Plant.StopP5();
+                    App.Plant.DisableP5();
                 } else {
-                    App.Plant.StartP5();
+                    App.Plant.EnableP5();
                 }
             } catch (NoClearanceException exc) {
                 MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -358,10 +357,10 @@ namespace PamhagenSysCtrl {
         private void P6Button_Click(object? sender, RoutedEventArgs? evt) {
             if (App.Plant == null) return;
             try {
-                if (App.Plant.P6 == MotorState.Forward) {
+                if (App.Plant.State.P6_IsActive) {
-                    App.Plant.StopP6();
+                    App.Plant.DisableP6();
                 } else {
-                    App.Plant.StartP6();
+                    App.Plant.EnableP6();
                 }
             } catch (NoClearanceException exc) {
                 MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);

PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs

@@ -1,5 +1,6 @@
 using PamhagenSysCtrl.Helpers;
 using PamhagenSysCtrl.Helpers.Pipeline;
+using PamhagenSysCtrl.Helpers.Plc;
 using System.Diagnostics;
 using System.Windows;
 using System.Windows.Controls;
@@ -26,7 +27,7 @@ namespace PamhagenSysCtrl.Windows {
         public Path? HoveringPath {
             get {
                 foreach (var b in FastSelectPaths.Where(b => b.Key.IsMouseOver)) {
-                    if (Graph.SelectedPaths.Any(p => p.Start == b.Value.Source && p.Hops.Last().Node == b.Value.Sink))
+                    if (Graph.SelectedPaths.Any(p => p.Matches(b.Value.Source, b.Value.Sink)))
                         continue;
                     return Graph.GetFreePath([b.Value.Source, b.Value.Sink], true);
                 }
@@ -67,8 +68,10 @@ namespace PamhagenSysCtrl.Windows {
                 [FastSelectButton_MW1_Tank5]  = (Graph.MW1, Graph.MP1, Graph.Tank5),
                 [FastSelectButton_MW2_Tank5]  = (Graph.MW2, Graph.MP2, Graph.Tank5),
             };
-            App.Plant?.Update += OnUpdate;
+            if (App.Plant != null) {
-            App.Plant?.InitializePaths();
+                Status_Connection.Text = $"Nein ({App.Plant.PlcComPort})";
+                App.Plant.Update += OnUpdate;
+            }
         }
 
         private void OnClosed(object sender, EventArgs evt) {
@@ -213,7 +216,7 @@ namespace PamhagenSysCtrl.Windows {
         private void FastSelectButton_Click(object sender, RoutedEventArgs? evt) {
             if (sender is not Button b || !FastSelectPaths.TryGetValue(b, out var val))
                 return;
-            App.Plant?.FastSelect(val.Source, val.Sink);
+            App.Plant?.FastSelect(val.Source, null, val.Sink);
             OnUpdate(null, null);
             _lastSource = null;
         }
@@ -351,7 +354,7 @@ namespace PamhagenSysCtrl.Windows {
                 } else {
                     if (_lastSource == null && Graph.SelectedPaths.Any(p => p.Start == c)) {
                         var path = Graph.SelectedPaths.First(p => p.Start == c);
-                        if (!path.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false)) {
+                        if (!path.HasActivePump) {
                             Graph.RemovePath(path);
                         }
                     } else if (_lastSource != null && c is ISink sink) {
@@ -385,7 +388,7 @@ namespace PamhagenSysCtrl.Windows {
                             App.Plant?.StartRebler();
                         }
                     } else if (c is Switcher switcher) {
-                        if (App.Plant?.WantMW1Selected ?? false) {
+                        if (App.Plant?.State.MW1_WantSelected ?? false) {
                             App.Plant?.SelectMW2();
                         } else {
                             App.Plant?.SelectMW1();
@@ -425,33 +428,33 @@ namespace PamhagenSysCtrl.Windows {
                             }
                         } else if (pump == Graph.P12) {
                             if (pump.IsActive) {
-                                App.Plant?.StopP12();
+                                App.Plant?.DisableP12();
                             } else {
-                                App.Plant?.StartP12();
+                                App.Plant?.EnableP12();
                             }
                         } else if (pump == Graph.P3) {
                             if (pump.IsActive) {
-                                App.Plant?.StopP3();
+                                App.Plant?.DisableP3();
                             } else {
-                                App.Plant?.StartP3();
+                                App.Plant?.EnableP3();
                             }
                         } else if (pump == Graph.P4) {
                             if (pump.IsActive) {
-                                App.Plant?.StopP4();
+                                App.Plant?.DisableP4();
                             } else {
-                                App.Plant?.StartP4();
+                                App.Plant?.EnableP4();
                             }
                         } else if (pump == Graph.P5) {
                             if (pump.IsActive) {
-                                App.Plant?.StopP5();
+                                App.Plant?.DisableP5();
                             } else {
-                                App.Plant?.StartP5();
+                                App.Plant?.EnableP5();
                             }
                         } else if (pump == Graph.P6) {
                             if (pump.IsActive) {
-                                App.Plant?.StopP6();
+                                App.Plant?.DisableP6();
                             } else {
-                                App.Plant?.StartP6();
+                                App.Plant?.EnableP6();
                             }
                         }
                     }
@@ -482,7 +485,7 @@ namespace PamhagenSysCtrl.Windows {
         private void UpdateFastSelectPathButton(IEnumerable<Path> paths, Path? hoverPathDeactivate, Button b) {
             var e = FastSelectPaths[b];
             SetFastSelectButton(b,
-                paths.Any(p => p.Start == e.Source && p.Hops.Last().Node == e.Sink) ? (hoverPathDeactivate?.Start == e.Source && hoverPathDeactivate?.Hops.Last().Node == e.Sink) ? 2 : 1 : 0,
+                paths.Any(p => p.Matches(e.Source, e.Sink)) ? (hoverPathDeactivate?.Matches(e.Source, e.Sink) ?? false) ? 2 : 1 : 0,
                 e.Pump.IsActive || Graph.GetFreePath([e.Source, e.Sink], overrideStart: true) == null);
         }
 
@@ -497,21 +500,21 @@ namespace PamhagenSysCtrl.Windows {
                 }
             }
 
-            SetFastSelectButton(FastSelectButton_EntryTrough_Start, App.Plant?.IsTroughAugerActive ?? false ? 1 : 0, !(App.Plant?.TroughAugerHasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_EntryTrough_Start, App.Plant?.State.TroughAuger_IsActive ?? false ? 1 : 0, !(App.Plant?.State.TroughAuger_HasClearance ?? false));
-            SetFastSelectButton(FastSelectButton_EntryTrough_Stop, App.Plant?.IsTroughAugerActive ?? false ? 0 : 2);
+            SetFastSelectButton(FastSelectButton_EntryTrough_Stop, App.Plant?.State.TroughAuger_IsActive ?? false ? 0 : 2);
-            SetFastSelectButton(FastSelectButton_MW1, App.Plant?.IsMW1Selected ?? false ? 1 : 0);
+            SetFastSelectButton(FastSelectButton_MW1, App.Plant?.State.MW1_IsSelected?? false ? 1 : 0);
-            SetFastSelectButton(FastSelectButton_MW2, App.Plant?.IsMW2Selected ?? false ? 1 : 0);
+            SetFastSelectButton(FastSelectButton_MW2, App.Plant?.State.MW2_IsSelected ?? false ? 1 : 0);
-            SetFastSelectButton(FastSelectButton_MP1_Forward, App.Plant?.MP1 == MotorState.Forward ? 1 : 0, !(App.Plant?.MP1HasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_MP1_Forward, App.Plant?.State.MP1_State == MotorState.Forward ? 1 : 0, !(App.Plant?.State.MP1_HasClearance ?? false));
-            SetFastSelectButton(FastSelectButton_MP1_Stop, App.Plant?.MP1 == MotorState.Halt ? 2 : 0);
+            SetFastSelectButton(FastSelectButton_MP1_Stop, App.Plant?.State.MP1_State == MotorState.Halt ? 2 : 0);
-            SetFastSelectButton(FastSelectButton_MP2_Forward, App.Plant?.MP2 == MotorState.Forward ? 1 : 0, !(App.Plant?.MP2HasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_MP2_Forward, App.Plant?.State.MP2_State == MotorState.Forward ? 1 : 0, !(App.Plant?.State.MP2_HasClearance ?? false));
-            SetFastSelectButton(FastSelectButton_MP2_Stop, App.Plant?.MP2 == MotorState.Halt ? 2 : 0);
+            SetFastSelectButton(FastSelectButton_MP2_Stop, App.Plant?.State.MP2_State == MotorState.Halt ? 2 : 0);
 
             _hover = Graph.GetHover(pos.X, pos.Y, RoundedScale);
             var hoverButtons = FastSelectPaths.Where(b => b.Key.IsMouseOver).ToDictionary();
             Path? hoverPathDeactivate = null;
             if (App.Plant?.ManualControlMode ?? false) {
                 foreach (var src in Graph.Nodes.Where(n => n is Pump)) {
-                    Graph.ColorPipesByValves(src, PamhagenBrushes.Green, (src as Pump)?.State ?? default, PamhagenBrushes.DimOrange);
+                    PamhagenGraph.ColorPipesByValves(src, PamhagenBrushes.Green, (src as Pump)?.State ?? default, PamhagenBrushes.DimOrange);
                 }
                 MP1_Target.Text = "Vor";
                 MP2_Target.Text = "Vor";
@@ -519,27 +522,21 @@ namespace PamhagenSysCtrl.Windows {
                 MP2_Target.FontSize = 16;
             } else {
                 foreach (var p in Graph.SelectedPaths) {
-                    Graph.ColorPipesAdjacientToPath(p, PamhagenBrushes.Green, p.Hops.Select(h => (h.Node as Pump)?.State ?? default).FirstOrDefault(n => n != MotorState.Halt), PamhagenBrushes.DimOrange);
+                    PamhagenGraph.ColorPipesAdjacientToPath(p, PamhagenBrushes.Green, p.Pumps.Select(p => p.State).FirstOrDefault(n => n != MotorState.Halt), PamhagenBrushes.DimOrange);
                 }
                 if (_lastSource == null && _hover.Count > 0 && Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == _hover.First()) is Path path1) {
-                    var pumpActive = path1.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
+                    if (path1.HasActivePump) {
-                    if (pumpActive) {
+                        foreach (var p in path1.Pumps) p.Highlight = PamhagenBrushes.Red;
-                        foreach (var pump in path1.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
-                            pump?.Highlight = PamhagenBrushes.Red;
-                        }
                     } else {
                         hoverPathDeactivate = path1;
-                        Graph.ColorPipesAdjacientToPath(path1, PamhagenBrushes.Red, default, null);
+                        PamhagenGraph.ColorPipesAdjacientToPath(path1, PamhagenBrushes.Red, default, null);
                     }
                 } else if (hoverButtons.Count != 0 && Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == hoverButtons.First().Value.Source) is Path path2) {
-                    var pumpActive = path2.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
+                    if (path2.HasActivePump) {
-                    if (pumpActive) {
+                        foreach (var p in path2.Pumps) p.Highlight = PamhagenBrushes.Red;
-                        foreach (var pump in path2.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
-                            pump?.Highlight = PamhagenBrushes.Red;
-                        }
                     } else {
                         hoverPathDeactivate = path2;
-                        Graph.ColorPipesAdjacientToPath(path2, PamhagenBrushes.Red, default, null);
+                        PamhagenGraph.ColorPipesAdjacientToPath(path2, PamhagenBrushes.Red, default, null);
                     }
                 }
                 if (_lastSource != null) {
@@ -548,7 +545,7 @@ namespace PamhagenSysCtrl.Windows {
                     }
                 }
                 if (HoveringPath is Path hoveringPath) {
-                    Graph.ColorPipesAdjacientToPath(hoveringPath, PamhagenBrushes.Green, default, PamhagenBrushes.DimOrange);
+                    PamhagenGraph.ColorPipesAdjacientToPath(hoveringPath, PamhagenBrushes.Green, default, PamhagenBrushes.DimOrange);
                 }
 
                 if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == Graph.MW1) is Path pmw1) {
@@ -583,39 +580,19 @@ namespace PamhagenSysCtrl.Windows {
 
         public void OnUpdate(object? sender, PlantEventArgs? evt) {
             if (App.Plant is PamhagenPlant p) {
-                Status_Connection.Text = $"Ja ({p.PlcPortName}" + (p.LastRttNs != null ? $", {p.LastRttNs / 1000000.0:N0} ms" : "") + ")";
+                if (p.IsPlcConnected) {
-                Status_Plc.Text = $"{p.LastPlcStatus?.Mode} ({p.LastPlcStatus?.Flags:X3}) / {p.LastPlcError?.GetName()} ({(int?)p.LastPlcError:0000})";
+                    Status_Connection.Text = $"Ja ({p.PlcComPort}" + (p.LastRttNs != null ? $", {p.LastRttNs / 1000000.0:N0} ms" : "") + ")";
-                Status_CompressedAir.Text = Enumerable.Range(1, 57).Any(p.IsValveClosed) ? "Ein" : Enumerable.Range(1, 57).Any(p.WantValveClosed) ? "Aus" : "?";
+                    Status_Plc.Text = $"{p.LastPlcStatus?.Mode} ({p.LastPlcStatus?.Flags:X3}) / {p.LastPlcError?.GetName()} ({(int?)p.LastPlcError:0000})";
-                Status_ValvesOpen.Text = Enumerable.Range(1, 57).Count(p.IsValveOpen) + " / " + Enumerable.Range(1, 57).Count(p.WantValveOpen) + " / 57";
+                    Status_CompressedAir.Text = Enumerable.Range(1, 57).Any(p.State.Valve_IsClosed) ? "Ein" : Enumerable.Range(1, 57).Any(p.State.Valve_WantClosed) ? "Aus" : "?";
+                    Status_ValvesOpen.Text = Enumerable.Range(1, 57).Count(p.State.Valve_IsOpen) + " / " + Enumerable.Range(1, 57).Count(p.State.Valve_WantOpen) + " / 57";
+                } else {
+                    Status_Connection.Text = p.PlcConnectionError is string err ? $"Nein ({p.PlcComPort}, {err})" : $"Nein ({p.PlcComPort})";
+                    Status_Plc.Text = "-";
+                    Status_CompressedAir.Text = "-";
+                    Status_ValvesOpen.Text = "-";
+                }
             }
             UpdateScheme(Mouse.GetPosition(SchemeCanvas), Mouse.LeftButton == MouseButtonState.Pressed);
         }
-
-        public void InitializePaths() {
-            var add = ReconstructSelectedPaths().ToList();
-            var remove = Graph.SelectedPaths.ToList();
-            foreach (var p in remove) Graph.RemovePath(p);
-            for (int i = 1; i <= 57; i++) {
-                App.Plant?.CloseV(i);
-            }
-            foreach (var p in add) {
-                if (p.Hops.Any(h => h.Node is ControlledValve v && v.IsLocked)) continue;
-                Graph.AddPath(p);
-            }
-        }
-
-        public IEnumerable<Path> ReconstructSelectedPaths() {
-            if (App.Plant is not PamhagenPlant p) yield break;
-            var sources = Graph.Nodes.Where(n => n is ISource).ToList();
-            var sinks = Graph.Nodes.Where(n => n is ISink).ToList();
-            foreach (var src in sources) {
-                var paths = new List<Path>();
-                foreach (var sink in sinks) {
-                    paths.AddRange(Graph.GetPaths(src, sink, null, (n) => n is not ISink && (n is not ControlledValve v || p.WantValveOpen(v.Nr))));
-                }
-                if (paths.Count == 1)
-                    yield return paths.First();
-            }
-        }
     }
 }