[demo-only] implement node flipping

Foreman/Models/Nodes/BaseNode.cs

@@ -23,6 +23,8 @@ public abstract partial class BaseNode : ISerializable
 		private RateType rateType;
 		public RateType RateType { get { return rateType; } set { if (rateType != value) { rateType = value; UpdateState(); } } }
 
+		public bool IsFlipped { get; set; }
+
 		public double ActualRatePerSec { get; private set; }
 
 		private double desiredRatePerSec;
@@ -122,6 +124,8 @@ public abstract class ReadOnlyBaseNode
 		public double DesiredRate => MyNode.DesiredRate;
 		public NodeState State => MyNode.State;
 
+		public bool IsFlipped => MyNode.IsFlipped;
+
 		public abstract List<string> GetErrors();
 		public abstract List<string> GetWarnings();
 

Foreman/Models/Nodes/ConsumerNode.cs

@@ -46,6 +46,7 @@ public override void GetObjectData(SerializationInfo info, StreamingContext cont
 			info.AddValue("RateType", RateType);
 			if (RateType == RateType.Manual)
 				info.AddValue("DesiredRate", DesiredRatePerSec);
+			info.AddValue("IsFlipped", IsFlipped);
 		}
 
 		public override string ToString() { return string.Format("Consumption node for: {0}", ConsumedItem.Name); }

Foreman/Models/Nodes/PassthroughNode.cs

@@ -45,6 +45,7 @@ public override void GetObjectData(SerializationInfo info, StreamingContext cont
 			info.AddValue("RateType", RateType);
 			if (RateType == RateType.Manual)
 				info.AddValue("DesiredRate", DesiredRatePerSec);
+			info.AddValue("IsFlipped", IsFlipped);
 		}
 
 		public override string ToString() { return string.Format("Passthrough node for: {0}", PassthroughItem.Name); }

Foreman/Models/Nodes/RecipeNode.cs

@@ -359,6 +359,7 @@ public override void GetObjectData(SerializationInfo info, StreamingContext cont
 				info.AddValue("BeaconsPerAssembler", BeaconsPerAssembler);
 				info.AddValue("BeaconsConst", BeaconsConst);
 			}
+			info.AddValue("IsFlipped", IsFlipped);
 		}
 
 		public override string ToString() { return string.Format("Recipe node for: {0}", BaseRecipe.Name); }
@@ -720,12 +721,12 @@ public override Dictionary<string, Action> GetWarningResolutions()
 				resolutions.Add("Turn off beacon", new Action(() => SetBeacon(null)));
 
 			if ((WarningSet & (RecipeNode.Warnings.BModuleIsDisabled | RecipeNode.Warnings.BModuleIsUnavailable)) != 0)
-			resolutions.Add("Remove error modules from beacon", new Action(() =>
-			{
-				for (int i = MyNode.BeaconModules.Count - 1; i >= 0; i--)
-					if (!MyNode.BeaconModules[i].Enabled || !MyNode.BeaconModules[i].Available)
-						RemoveBeaconModule(i);
-			}));
+				resolutions.Add("Remove error modules from beacon", new Action(() =>
+				{
+					for (int i = MyNode.BeaconModules.Count - 1; i >= 0; i--)
+						if (!MyNode.BeaconModules[i].Enabled || !MyNode.BeaconModules[i].Available)
+							RemoveBeaconModule(i);
+				}));
 
 			if ((WarningSet & RecipeNode.Warnings.TemeratureFluidBurnerInvalidLinks) != 0)
 				resolutions.Add("Remove fuel links", new Action(() =>
@@ -854,7 +855,7 @@ public void SetAssemblerModules(IEnumerable<Module> modules, bool filterModules)
 		{
 			MyNode.AssemblerModules.Clear();
 			if (modules != null)
-			{ 
+			{
 				if(filterModules)
 				{
 					HashSet<Module> acceptableModules = new HashSet<Module>(MyNode.BaseRecipe.Modules.Intersect(MyNode.SelectedAssembler.Modules));

Foreman/Models/Nodes/SupplierNode.cs

@@ -45,6 +45,7 @@ public override void GetObjectData(SerializationInfo info, StreamingContext cont
 			info.AddValue("RateType", RateType);
 			if (RateType == RateType.Manual)
 				info.AddValue("DesiredRate", DesiredRatePerSec);
+			info.AddValue("IsFlipped", IsFlipped);
 		}
 
 		public override string ToString() { return string.Format("Supply node for: {0}", SuppliedItem.Name); }

Foreman/Models/ProductionGraph.cs

@@ -195,6 +195,12 @@ public void DeleteNode(ReadOnlyBaseNode node)
 			NodeDeleted?.Invoke(this, new NodeEventArgs(node));
 		}
 
+		public void FlipNode(ReadOnlyBaseNode node)
+		{
+			BaseNode realNode = roToNode[node];
+			realNode.IsFlipped = !realNode.IsFlipped;
+		}
+
 		public void DeleteNodes(IEnumerable<ReadOnlyBaseNode> nodes)
 		{
 			foreach (ReadOnlyBaseNode node in nodes)
@@ -521,6 +527,10 @@ public NewNodeCollection InsertNodesFromJson(DataCache cache, JToken json) //cac
 							newNode.DesiredRatePerSec = (double)nodeJToken["DesiredRate"];
 					}
 
+
+
+					newNode.IsFlipped = (bool)(nodeJToken["IsFlipped"] ?? false);
+
 					oldNodeIndices.Add((int)nodeJToken["NodeID"], newNode.ReadOnlyNode);
 				}
 

Foreman/ProductionGraphView/Elements/BaseLinkElement.cs

@@ -42,7 +42,7 @@ public override void UpdateVisibility(Rectangle graph_zone, int xborder, int ybo
 			}
 
 			Visible =
-					 	CalculatedBounds.X + CalculatedBounds.Width > graph_zone.X - xborder &&
+						 CalculatedBounds.X + CalculatedBounds.Width > graph_zone.X - xborder &&
 						CalculatedBounds.X < graph_zone.X + graph_zone.Width + xborder &&
 						CalculatedBounds.Y + CalculatedBounds.Height > graph_zone.Y - yborder &&
 						CalculatedBounds.Y < graph_zone.Y + graph_zone.Height + yborder;
@@ -107,8 +107,20 @@ protected override void Draw(Graphics graphics, bool simple)
 		{
 			UpdateCurve();
 
-			using (Pen pen = new Pen(Item.AverageColor, LinkWidth) { EndCap = System.Drawing.Drawing2D.LineCap.Round, StartCap = System.Drawing.Drawing2D.LineCap.Round })
+			using (Pen pen = new Pen(Item.AverageColor, LinkWidth))
 			{
+
+				if (SupplierElement?.DisplayedNode.IsFlipped == true || ConsumerElement?.DisplayedNode.IsFlipped == true)
+				{
+					pen.CustomStartCap = new System.Drawing.Drawing2D.AdjustableArrowCap(LinkWidth, LinkWidth);
+					pen.EndCap = System.Drawing.Drawing2D.LineCap.Round;
+				}
+				else
+				{
+					pen.StartCap = System.Drawing.Drawing2D.LineCap.Round;
+					pen.CustomEndCap = new System.Drawing.Drawing2D.AdjustableArrowCap(LinkWidth, LinkWidth);
+				}
+
 				if (linkingUp)
 					graphics.DrawBeziers(pen, new Point[] {
 						pointN,

Foreman/ProductionGraphView/Elements/BaseNodeElement.cs

@@ -118,18 +118,23 @@ private void UpdateTabOrder()
 			InputTabs = InputTabs.OrderBy(it => GetItemTabXHeuristic(it)).ThenBy(it => it.Item.Name).ToList(); //then by ensures same result no matter who came first
 			OutputTabs = OutputTabs.OrderBy(it => GetItemTabXHeuristic(it)).ThenBy(it => it.Item.Name).ToList();
 
+			int topRow = (-Height / 2) + 1;
+			int bottomRow = (Height / 2) - 1;
+			int outputRow = DisplayedNode.IsFlipped ? bottomRow : topRow;
+			int inputRow = DisplayedNode.IsFlipped ? topRow : bottomRow;
+
 			int x = -GetIconWidths(OutputTabs) / 2;
 			foreach (ItemTabElement tab in OutputTabs)
 			{
 				x += TabPadding;
-				tab.Location = new Point(x + (tab.Width / 2), (-Height / 2) + 1);
+				tab.Location = new Point(x + (tab.Width / 2), outputRow);
 				x += tab.Width;
 			}
 			x = -GetIconWidths(InputTabs) / 2;
 			foreach (ItemTabElement tab in InputTabs)
 			{
 				x += TabPadding;
-				tab.Location = new Point(x + (tab.Width / 2), (Height / 2) - 1);
+				tab.Location = new Point(x + (tab.Width / 2), inputRow);
 				x += tab.Width;
 			}
 		}
@@ -269,6 +274,14 @@ protected virtual void MouseUpAction(Point graph_point, MouseButtons button)
 							graphViewer.Graph.DeleteNode(DisplayedNode);
 							graphViewer.Graph.UpdateNodeValues();
 						})));
+				RightClickMenu.Items.Add(new ToolStripMenuItem("Flip node", null,
+					new EventHandler((o, e) =>
+					{
+						RightClickMenu.Close();
+						graphViewer.Graph.FlipNode(DisplayedNode);
+						graphViewer.Graph.UpdateNodeValues();
+
+					})));
 				if (graphViewer.SelectedNodes.Count > 1 && graphViewer.SelectedNodes.Contains(this))
 				{
 					RightClickMenu.Items.Add(new ToolStripMenuItem("Delete selected nodes", null,

Foreman/ProductionGraphView/Elements/ItemTabElement.cs

@@ -49,10 +49,13 @@ public ItemTabElement(Item item, LinkType type, ProductionGraphViewer graphViewe
 
 		public Point GetConnectionPoint() //in graph coordinates
 		{
+			int topRow = (-Height / 2);
+			int bottomRow = (Height / 2);
+
 			if (LinkType == LinkType.Input)
-				return LocalToGraph(new Point(0, Height / 2));
+				return LocalToGraph(new Point(0, DisplayedNode.IsFlipped ? topRow : bottomRow));
 			else //if(LinkType == LinkType.Output)
-				return LocalToGraph(new Point(0, -Height / 2));
+				return LocalToGraph(new Point(0, DisplayedNode.IsFlipped ? bottomRow : topRow));
 		}
 
 		public void UpdateValues(double recipeRate, double suppliedRate, bool isOversupplied) //if input then: recipe rate = consume rate; if output then recipe rate = production rate

Foreman/ProductionGraphView/Elements/LinkElement.cs

@@ -36,7 +36,15 @@ protected override Point[] GetCurveEndpoints()
 		{
 			Point pointMupdate = ConsumerTab.GetConnectionPoint();
 			Point pointNupdate = SupplierTab.GetConnectionPoint();
-			return new Point[] { pointMupdate, pointNupdate };
+
+			if (SupplierElement.DisplayedNode.IsFlipped || ConsumerElement.DisplayedNode.IsFlipped)
+			{
+				return new Point[] { pointNupdate, pointMupdate };
+			}
+			else
+			{
+				return new Point[] { pointMupdate, pointNupdate };
+			}
 		}
 	}
 }

Foreman/ProductionGraphView/ProductionGraphViewer.cs

@@ -238,6 +238,11 @@ public void AddRecipe(Point drawOrigin, Item baseItem, Point newLocation, NewNod
 						 break;
 				 }
 
+				 if (originElement != null && originElement.DisplayedNode.IsFlipped != newNode.IsFlipped)
+				 {
+					 Graph.FlipNode(newNode);
+				 }
+
 				 //this is the offset to take into account multiple recipe additions (holding shift while selecting recipe). First node isnt shifted, all subsequent ones are 'attempted' to be spaced.
 				 //should be updated once the node graphics are updated (so that the node size doesnt depend as much on the text)
 				 BaseNodeElement newNodeElement = NodeElementDictionary[newNode];