Added Redraw Sector mode

Source/Plugins/BuilderModes/BuilderModes.csproj

@@ -241,6 +241,7 @@
     <Compile Include="ClassicModes\BridgeMode.cs" />
     <Compile Include="ClassicModes\DrawEllipseMode.cs" />
     <Compile Include="ClassicModes\DrawRectangleMode.cs" />
+    <Compile Include="ClassicModes\RedrawSectorMode.cs" />
     <Compile Include="ClassicModes\SnapVerticesMode.cs" />
     <Compile Include="ErrorChecks\CheckMissingTextures.cs" />
     <Compile Include="ErrorChecks\CheckUnknownFlats.cs" />

Source/Plugins/BuilderModes/ClassicModes/RedrawSectorMode.cs

@@ -0,0 +1,148 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+
+using CodeImp.DoomBuilder.Editing;
+using CodeImp.DoomBuilder.Map;
+using CodeImp.DoomBuilder.Windows;
+using CodeImp.DoomBuilder.Rendering;
+using CodeImp.DoomBuilder.Geometry;
+
+
+namespace CodeImp.DoomBuilder.BuilderModes.ClassicModes
+{
+	[EditMode(DisplayName = "Redraw Sector Mode",
+			  SwitchAction = "redrawsectormode",
+			  AllowCopyPaste = false,
+			  Volatile = true,
+			  Optional = true)]
+
+	public class RedrawSectorMode : BaseClassicMode
+	{
+
+		public RedrawSectorMode() : base() {
+			// We have no destructor
+			GC.SuppressFinalize(this);
+		}
+		
+		public override void OnEngage() {
+			base.OnEngage();
+
+			//Get selection
+			General.Map.Map.ClearAllMarks(false);
+			General.Map.Map.MarkSelectedSectors(true, true);
+			List<Sector> sectors = General.Map.Map.GetMarkedSectors(true);
+
+			if(sectors.Count == 0) {
+				disengage("Select some sectors first!");
+				return;
+			}
+
+			Cursor.Current = Cursors.AppStarting;
+			//General.Settings.FindDefaultDrawSettings();
+			ICollection<Vertex> points = General.Map.Map.GetVerticesFromSectorsMarks(true);
+
+			// Make undo for the draw
+			General.Map.UndoRedo.CreateUndo(sectors.Count > 1 ? "Redraw " + sectors.Count + " sectors" : "Redraw sector");
+
+			foreach(Sector s in sectors){
+				// Make the drawing
+				if(s.Sidedefs == null) {
+					GZBuilder.GZGeneral.LogAndTraceWarning("RedrawSectorMode: sector " + s.Index + " has no sidedefs!");
+					continue;
+				}
+
+				if(!Tools.DrawLines(getPoints(s.Sidedefs))) {
+					// Drawing failed
+					// NOTE: I have to call this twice, because the first time only cancels this volatile mode
+					General.Map.UndoRedo.WithdrawUndo();
+					General.Map.UndoRedo.WithdrawUndo();
+					disengage("Drawing failed");
+					return;
+				}
+			}
+			
+			General.Interface.DisplayStatus(StatusType.Info, "Redrawn " + sectors.Count + " sectors.");
+			base.OnAccept();
+			General.Editing.ChangeMode(General.Editing.PreviousStableMode.Name); // Return to original mode
+		}
+
+		// Disenagaging
+		public override void OnDisengage() {
+			base.OnDisengage();
+			Cursor.Current = Cursors.AppStarting;
+
+			if(!cancelled) {
+				General.Map.Map.SnapAllToAccuracy(); // Snap to map format accuracy
+				General.Map.Map.ClearAllSelected(); // Clear selection
+				General.Map.Map.Update(); // Update cached values
+				General.Map.Data.UpdateUsedTextures(); // Update the used textures
+				General.Map.IsChanged = true; // Map is changed
+			}
+
+			Cursor.Current = Cursors.Default; // Done
+		}
+
+		private List<DrawnVertex> getPoints(ICollection<Sidedef> sidedefs) {
+			List<int> indeces = new List<int>();
+			List<Vector2D> points = new List<Vector2D>();
+			
+			Sidedef[] sidedefArr = new Sidedef[sidedefs.Count];
+			sidedefs.CopyTo(sidedefArr, 0);
+
+			points.Add(sidedefArr[0].Line.Start.Position);
+			points.Add(sidedefArr[0].Line.End.Position);
+			indeces.Add(sidedefArr[0].Line.Index);
+
+			//sort points
+			for(int i = 1; i < sidedefArr.Length; i++){
+				if(indeces.Contains(sidedefArr[i].Line.Index))
+					continue;
+
+				Vector2D nextPoint = new Vector2D();
+				if(getNextPoint(points[points.Count - 1], sidedefArr, ref indeces, ref nextPoint))
+					points.Add(nextPoint);
+			}
+
+			if(points.Count == sidedefArr.Length) //add closing point
+				points.Add(sidedefArr[0].Line.Start.Position); 
+			
+			List<DrawnVertex> vl = new List<DrawnVertex>();
+
+			foreach(Vector2D v in points) {
+				DrawnVertex dv = new DrawnVertex();
+				dv.pos = v;
+				dv.stitch = true;
+				dv.stitchline = true;
+				vl.Add(dv);
+			}
+
+			return vl;
+		}
+
+		private bool getNextPoint(Vector2D v, Sidedef[] sidedefArr, ref List<int> indeces, ref Vector2D nextPoint) {
+			foreach(Sidedef s in sidedefArr) {
+				if(indeces.Contains(s.Line.Index))
+					continue;
+
+				if(s.Line.Start.Position == v) {
+					indeces.Add(s.Line.Index);
+					nextPoint = s.Line.End.Position;
+					return true;
+				} else if(s.Line.End.Position == v) {
+					indeces.Add(s.Line.Index);
+					nextPoint = s.Line.Start.Position;
+					return true;
+				}
+			}
+			return false;
+		}
+
+		private void disengage(string reason) {
+			General.Interface.DisplayStatus(StatusType.Warning, reason);
+			base.OnCancel();
+			General.Editing.ChangeMode(General.Editing.PreviousStableMode.Name);
+		}
+	}
+}

Source/Plugins/BuilderModes/Resources/Actions.cfg

@@ -850,4 +850,15 @@ rotatethingsccw
 	allowmouse = false;
 	allowscroll = true;
 	default = 262139;
+}
+
+//mxd
+redrawsectormode
+{
+    title = "Redraw Selected Sectors";
+	category = "drawing";
+	description = "Secret Action has been found!";
+	allowkeys = true;
+	allowmouse = false;
+	allowscroll = false;
 }