- added Make Sectors mode

- added editing mode name at the bottom information bar
- some bugfixes in game configurations

Build/Configurations/Boom.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "E1M1";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = true;

Build/Configurations/Doom.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "E1M1";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/Doom2.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/Edge.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/Eternity.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = true;

Build/Configurations/Heretic.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "E1M1";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/Hexen.cfg

@@ -18,10 +18,10 @@ formatinterface = "HexenMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/Legacy.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = true;

Build/Configurations/Risen3D.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = true;

Build/Configurations/Skulltag_Doom.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = true;

Build/Configurations/Skulltag_DoomHexen.cfg

@@ -18,10 +18,10 @@ formatinterface = "HexenMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/Strife.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/UltDoom.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "E1M1";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/ZDoom_Doom.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = true;

Build/Configurations/ZDoom_HereticHexen.cfg

@@ -18,10 +18,10 @@ formatinterface = "HexenMapSetIO";
 defaultlumpname = "E1M1";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/ZDoom_Hexen.cfg

@@ -18,10 +18,10 @@ formatinterface = "HexenMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/ZDoom_StrifeHexen.cfg

@@ -18,10 +18,10 @@ formatinterface = "HexenMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Build/Configurations/jDoom.cfg

@@ -18,10 +18,10 @@ formatinterface = "DoomMapSetIO";
 defaultlumpname = "MAP01";
 
 // Special linedefs
-soundlinedefflags = 64;	// See linedefflags
-singlesidedflags = 1;	// See linedefflags
-doublesidedflags = 4;	// See linedefflags
-impassableflags = 1;
+soundlinedefflag = 64;	// See linedefflags
+singlesidedflag = 1;	// See linedefflags
+doublesidedflag = 4;	// See linedefflags
+impassableflag = 1;
 
 // Generalized actions
 generalizedlinedefs = false;

Documents/todo.txt

@@ -1,7 +1,3 @@
-- Make "Make Sector" mode
-	- On mousemove (?) already show the sector outline it will create
-	- On click make the sector
-
 - Show action associations when highlighting line/sector/thing
 
 - Make sector gradient features

Source/BuilderModes/BuilderModes.csproj

@@ -39,6 +39,7 @@
     <Compile Include="ClassicModes\DragSectorsMode.cs" />
     <Compile Include="ClassicModes\DragGeometryMode.cs" />
     <Compile Include="ClassicModes\DrawGeometryMode.cs" />
+    <Compile Include="ClassicModes\MakeSectorMode.cs" />
     <Compile Include="General\BuilderPlug.cs" />
     <Compile Include="Interface\CurveLinedefsForm.cs">
       <SubType>Form</SubType>
@@ -119,6 +120,9 @@
   <ItemGroup>
     <EmbeddedResource Include="Resources\BrightnessMode.png" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Resources\NewSector2.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

Source/BuilderModes/ClassicModes/BrightnessMode.cs

@@ -38,10 +38,11 @@ using CodeImp.DoomBuilder.Data;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(SwitchAction = "brightnessmode",
+	[EditMode(DisplayName = "Sector Brightness",
+			  SwitchAction = "brightnessmode",
 			  ButtonDesc = "Brightness Mode",
 			  ButtonImage = "BrightnessMode.png",
-			  ButtonOrder = int.MinValue + 3)]
+			  ButtonOrder = int.MinValue + 201)]
 
 	public class BrightnessMode : SectorsMode
 	{
@@ -89,7 +90,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			p.AddLayer(new PresentLayer(RendererLayer.Background, BlendingMode.Mask));
 			p.AddLayer(new PresentLayer(RendererLayer.Grid, BlendingMode.Mask));
 			p.AddLayer(new PresentLayer(RendererLayer.Overlay, BlendingMode.Alpha, 1f, true));
-			p.AddLayer(new PresentLayer(RendererLayer.Things, BlendingMode.Alpha, 0.3f, false));
+			p.AddLayer(new PresentLayer(RendererLayer.Things, BlendingMode.Alpha, Presentation.THINGS_BACK_ALPHA, false));
 			p.AddLayer(new PresentLayer(RendererLayer.Geometry, BlendingMode.Alpha, 1f, true));
 			renderer.SetPresentation(p);
 		}

Source/BuilderModes/ClassicModes/CurveLinedefsMode.cs

@@ -36,7 +36,8 @@ using CodeImp.DoomBuilder.Editing;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(Volatile = true)]
+	[EditMode(DisplayName = "Curve Linedefs",
+			  Volatile = true)]
 	public sealed class CurveLinedefsMode : ClassicMode
 	{
 		#region ================== Constants

Source/BuilderModes/ClassicModes/DragLinedefsMode.cs

@@ -42,7 +42,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 	// In that case, just specifying the attribute like this is enough:
 	// [EditMode]
 
-	[EditMode(Volatile = true)]
+	[EditMode(DisplayName = "Linedefs",
+			  Volatile = true)]
 	
 	public sealed class DragLinedefsMode : DragGeometryMode
 	{

Source/BuilderModes/ClassicModes/DragSectorsMode.cs

@@ -42,7 +42,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 	// In that case, just specifying the attribute like this is enough:
 	// [EditMode]
 
-	[EditMode(Volatile = true)]
+	[EditMode(DisplayName = "Sectors",
+			  Volatile = true)]
 
 	public sealed class DragSectorsMode : DragGeometryMode
 	{

Source/BuilderModes/ClassicModes/DragThingsMode.cs

@@ -42,7 +42,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 	// In that case, just specifying the attribute like this is enough:
 	// [EditMode]
 
-	[EditMode(Volatile = true)]
+	[EditMode(DisplayName = "Things",
+			  Volatile = true)]
 
 	public sealed class DragThingsMode : ClassicMode
 	{

Source/BuilderModes/ClassicModes/DragVerticesMode.cs

@@ -42,7 +42,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 	// In that case, just specifying the attribute like this is enough:
 	// [EditMode]
 
-	[EditMode(Volatile = true)]
+	[EditMode(DisplayName = "Vertices",
+			  Volatile = true)]
 
 	public sealed class DragVerticesMode : DragGeometryMode
 	{

Source/BuilderModes/ClassicModes/DrawGeometryMode.cs

@@ -37,7 +37,9 @@ using CodeImp.DoomBuilder.Actions;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(SwitchAction = "drawlinesmode", Volatile = true)]
+	[EditMode(DisplayName = "Drawing",
+			  SwitchAction = "drawlinesmode",
+			  Volatile = true)]
 
 	public class DrawGeometryMode : ClassicMode
 	{
@@ -538,6 +540,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 				MapSet.FlipBackwardLinedefs(newlines);
 
 				// Remove all unneeded textures
+				// Shouldn't this already be done by the
+				// makesector/joinsector functions?
 				foreach(Linedef ld in newlines)
 				{
 					if(ld.Front != null) ld.Front.RemoveUnneededTextures(true);

Source/BuilderModes/ClassicModes/LinedefsMode.cs

@@ -36,10 +36,11 @@ using CodeImp.DoomBuilder.Actions;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(SwitchAction = "linedefsmode",	// Action name used to switch to this mode
+	[EditMode(DisplayName = "Linedefs",
+			  SwitchAction = "linedefsmode",	// Action name used to switch to this mode
 			  ButtonDesc = "Linedefs Mode",		// Description on the button in toolbar/menu
 			  ButtonImage = "LinesMode.png",	// Image resource name for the button
-			  ButtonOrder = int.MinValue + 1)]	// Position of the button (lower is more to the left)
+			  ButtonOrder = int.MinValue + 100)]	// Position of the button (lower is more to the left)
 
 	public class LinedefsMode : ClassicMode
 	{

Source/BuilderModes/ClassicModes/MakeSectorMode.cs

@@ -0,0 +1,424 @@
+
+#region ================== Copyright (c) 2007 Pascal vd Heiden
+
+/*
+ * Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
+ * This program is released under GNU General Public License
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ */
+
+#endregion
+
+#region ================== Namespaces
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text;
+using System.Windows.Forms;
+using System.IO;
+using System.Reflection;
+using CodeImp.DoomBuilder.Windows;
+using CodeImp.DoomBuilder.IO;
+using CodeImp.DoomBuilder.Map;
+using CodeImp.DoomBuilder.Rendering;
+using CodeImp.DoomBuilder.Geometry;
+using CodeImp.DoomBuilder.Editing;
+using System.Drawing;
+using CodeImp.DoomBuilder.Actions;
+
+#endregion
+
+namespace CodeImp.DoomBuilder.BuilderModes
+{
+	[EditMode(DisplayName = "Make Sectors",
+			  SwitchAction = "makesectormode",
+			  ButtonDesc = "Make Sectors Mode",		// Description on the button in toolbar/menu
+			  ButtonImage = "NewSector2.png",	// Image resource name for the button
+			  ButtonOrder = int.MinValue + 202)]	// Position of the button (lower is more to the left)
+
+	public class MakeSectorMode : ClassicMode
+	{
+		#region ================== Constants
+
+		private const double FLASH_DURATION = 500.0f;
+
+		#endregion
+
+		#region ================== Variables
+
+		// Nearest sidedef
+		private LinedefSide editside;
+		private LinedefSide nearestside;
+		private List<LinedefSide> allsides;
+		private List<Linedef> alllines;
+		
+		// Flash polygon
+		private FlatVertex[] flashpolygon;
+		private float flashintensity;
+		private double flashstarttime;
+		
+		// Interface
+		protected bool selectpressed;
+		protected bool editpressed;
+
+		#endregion
+
+		#region ================== Properties
+
+		#endregion
+
+		#region ================== Constructor / Disposer
+
+		// Constructor
+		public MakeSectorMode()
+		{
+		}
+
+		// Disposer
+		public override void Dispose()
+		{
+			// Not already disposed?
+			if(!isdisposed)
+			{
+				// Clean up
+				nearestside = null;
+				allsides = null;
+				
+				// Dispose base
+				base.Dispose();
+			}
+		}
+
+		#endregion
+
+		#region ================== Methods
+
+		// Cancel mode
+		public override void OnCancel()
+		{
+			base.OnCancel();
+			
+			// Return to base mode
+			General.Map.ChangeMode(new SectorsMode());
+		}
+
+		// Mode engages
+		public override void OnEngage()
+		{
+			base.OnEngage();
+
+			// Make customized presentation
+			CustomPresentation p = new CustomPresentation();
+			p.AddLayer(new PresentLayer(RendererLayer.Background, BlendingMode.Mask));
+			p.AddLayer(new PresentLayer(RendererLayer.Grid, BlendingMode.Mask));
+			p.AddLayer(new PresentLayer(RendererLayer.Overlay, BlendingMode.Alpha, 1f, true));
+			p.AddLayer(new PresentLayer(RendererLayer.Things, BlendingMode.Alpha, Presentation.THINGS_BACK_ALPHA, false));
+			p.AddLayer(new PresentLayer(RendererLayer.Geometry, BlendingMode.Alpha, 1f, true));
+			renderer.SetPresentation(p);
+		}
+
+		// Mode disengages
+		public override void OnDisengage()
+		{
+			base.OnDisengage();
+
+			// Check which mode we are switching to
+			if(General.Map.NewMode is VerticesMode)
+			{
+				// Convert selection to vertices
+
+				// Clear selected sectors
+				General.Map.Map.ClearSelectedSectors();
+			}
+			else if(General.Map.NewMode is LinedefsMode)
+			{
+				// Convert selection to linedefs
+
+				// Clear selected sectors
+				General.Map.Map.ClearSelectedSectors();
+			}
+
+			// Hide highlight info
+			General.Interface.HideInfo();
+
+			// Stop processing
+			General.Interface.SetProcessorState(false);
+		}
+
+		// This redraws the display
+		public override void OnRedrawDisplay()
+		{
+			// Render lines and vertices
+			DrawGeometry();
+
+			// Render things
+			if(renderer.StartThings(true))
+			{
+				renderer.RenderThingSet(General.Map.ThingsFilter.HiddenThings, Presentation.THINGS_HIDDEN_ALPHA);
+				renderer.RenderThingSet(General.Map.ThingsFilter.VisibleThings, 1.0f);
+				renderer.Finish();
+			}
+
+			// Render overlay
+			DrawOverlay();
+			renderer.Present();
+		}
+
+		// This draws the geometry
+		private void DrawGeometry()
+		{
+			// Render lines and vertices
+			if(renderer.StartPlotter(true))
+			{
+				renderer.PlotLinedefSet(General.Map.Map.Linedefs);
+
+				// Render highlight
+				if(alllines != null)
+				{
+					foreach(Linedef l in alllines) renderer.PlotLinedef(l, General.Colors.Highlight);
+				}
+
+				renderer.PlotVerticesSet(General.Map.Map.Vertices);
+				renderer.Finish();
+			}
+		}
+
+		// This draws the overlay
+		private void DrawOverlay()
+		{
+			// Redraw overlay
+			if(renderer.StartOverlay(true))
+			{
+				if((flashpolygon != null) && (flashintensity > 0.0f))
+				{
+					renderer.RenderGeometry(flashpolygon, null, true);
+				}
+
+				renderer.Finish();
+			}
+		}
+		
+		// This highlights a new region
+		protected void Highlight(bool buttonspressed)
+		{
+			LinedefSide newnearest;
+			
+			// Mouse inside?
+			if(mouseinside)
+			{
+				// Highlighting from a new sidedef?
+				Linedef nl = General.Map.Map.NearestLinedef(mousemappos);
+				float side = nl.SideOfLine(mousemappos);
+				newnearest = new LinedefSide(nl, (side <= 0.0f));
+				if(newnearest != nearestside)
+				{
+					// Only change when buttons are not pressed
+					if(!buttonspressed || (editside == newnearest))
+					{
+						// Find new sector
+						General.Interface.SetCursor(Cursors.AppStarting);
+						nearestside = newnearest;
+						allsides = SectorTools.FindPotentialSectorAt(mousemappos);
+						if(allsides != null)
+						{
+							alllines = new List<Linedef>(allsides.Count);
+							foreach(LinedefSide sd in allsides) alllines.Add(sd.Line);
+						}
+						else
+						{
+							alllines = null;
+						}
+						General.Interface.SetCursor(Cursors.Default);
+					}
+					else
+					{
+						// Don't highlight this one
+						nearestside = null;
+						allsides = null;
+						alllines = null;
+					}
+					
+					// Redraw overlay
+					DrawGeometry();
+					renderer.Present();
+				}
+			}
+			else
+			{
+				// No valid region
+				nearestside = null;
+				allsides = null;
+				alllines = null;
+
+				// Redraw overlay
+				DrawGeometry();
+				renderer.Present();
+			}
+		}
+		
+		// Start select
+		protected override void OnSelect()
+		{
+			// Select pressed in this mode
+			selectpressed = true;
+			editside = nearestside;
+			base.OnEdit();
+		}
+
+		// Done selecting
+		protected override void OnEndSelect()
+		{
+			// Select was pressed in this mode?
+			if(selectpressed && (editside == nearestside) && (nearestside != null))
+			{
+				// Possible to make a sector?
+				if(allsides != null)
+				{
+					// Make the sector
+					General.Interface.SetCursor(Cursors.WaitCursor);
+					General.Settings.FindDefaultDrawSettings();
+					General.Map.UndoRedo.CreateUndo("Make Sector", UndoGroup.None, 0);
+					Sector s = SectorTools.MakeSector(allsides);
+					General.Interface.SetCursor(Cursors.Default);
+					
+					// Quickly flash this sector to indicate it was created
+					General.Map.IsChanged = true;
+					General.Map.Map.Update();
+					flashpolygon = new FlatVertex[s.Vertices.Length];
+					s.Vertices.CopyTo(flashpolygon, 0);
+					flashintensity = 1.0f;
+					flashstarttime = (double)General.Clock.GetCurrentTime();
+					General.Interface.SetProcessorState(true);
+
+					// Redraw overlay
+					DrawGeometry();
+					DrawOverlay();
+					renderer.Present();
+				}
+			}
+
+			selectpressed = false;
+			base.OnEndSelect();
+		}
+		
+		// Start editing
+		protected override void OnEdit()
+		{
+			// Edit pressed in this mode
+			editpressed = true;
+			editside = nearestside;
+			base.OnEdit();
+		}
+
+		// Done editing
+		protected override void OnEndEdit()
+		{
+			// Edit was pressed in this mode?
+			if(editpressed && (editside == nearestside) && (nearestside != null))
+			{
+				// Possible to make a sector?
+				if(allsides != null)
+				{
+					// Make the sector
+					General.Interface.SetCursor(Cursors.WaitCursor);
+					General.Settings.FindDefaultDrawSettings();
+					General.Map.UndoRedo.CreateUndo("Make Sector", UndoGroup.None, 0);
+					Sector s = SectorTools.MakeSector(allsides);
+					General.Interface.SetCursor(Cursors.Default);
+
+					// Edit the sector
+					List<Sector> secs = new List<Sector>(); secs.Add(s);
+					if(General.Interface.ShowEditSectors(secs) == DialogResult.OK)
+					{
+						// Quickly flash this sector to indicate it was created
+						General.Map.IsChanged = true;
+						General.Map.Map.Update();
+						flashpolygon = new FlatVertex[s.Vertices.Length];
+						s.Vertices.CopyTo(flashpolygon, 0);
+						flashintensity = 1.0f;
+						flashstarttime = (double)General.Clock.GetCurrentTime();
+						General.Interface.SetProcessorState(true);
+					}
+					else
+					{
+						// Undo
+						General.Map.UndoRedo.PerformUndo();
+						General.Map.UndoRedo.ClearAllRedos();
+					}
+
+					// Redraw overlay
+					DrawGeometry();
+					DrawOverlay();
+					renderer.Present();
+				}
+			}
+			
+			editpressed = false;
+			base.OnEndEdit();
+		}
+
+		// Mouse moves
+		public override void OnMouseMove(MouseEventArgs e)
+		{
+			base.OnMouseMove(e);
+
+			// Highlight the region
+			Highlight((e.Button != MouseButtons.None));
+		}
+
+		// Mouse leaves
+		public override void OnMouseLeave(EventArgs e)
+		{
+			base.OnMouseLeave(e);
+
+			// Highlight nothing
+			Highlight(false);
+		}
+
+		// Processing
+		public override void OnProcess()
+		{
+			base.OnProcess();
+
+			// Process flash
+			if(flashpolygon != null)
+			{
+				// Determine the intensity of the flash by time elapsed
+				double curtime = (double)General.Clock.GetCurrentTime();;
+				flashintensity = 1f - (float)((curtime - flashstarttime) / FLASH_DURATION);
+				if(flashintensity > 0.0f)
+				{
+					// Update vertices in polygon
+					PixelColor pc = new PixelColor((byte)(flashintensity * 255.0f), 255, 255, 255);
+					int intcolor = pc.ToInt();
+					for(int i = 0; i < flashpolygon.Length; i++) flashpolygon[i].c = intcolor;
+				}
+				else
+				{
+					// End of flash, trash the polygon
+					flashpolygon = null;
+					flashintensity = 0.0f;
+					General.Interface.SetProcessorState(false);
+				}
+
+				// Redraw overlay
+				DrawOverlay();
+				renderer.Present();
+			}
+		}
+		
+		#endregion
+
+		#region ================== Actions
+
+		#endregion
+	}
+}
+

Source/BuilderModes/ClassicModes/SectorsMode.cs

@@ -37,10 +37,11 @@ using CodeImp.DoomBuilder.Actions;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(SwitchAction = "sectorsmode",		// Action name used to switch to this mode
+	[EditMode(DisplayName = "Sectors",
+			  SwitchAction = "sectorsmode",		// Action name used to switch to this mode
 			  ButtonDesc = "Sectors Mode",		// Description on the button in toolbar/menu
 		      ButtonImage = "SectorsMode.png",	// Image resource name for the button
-			  ButtonOrder = int.MinValue + 2)]	// Position of the button (lower is more to the left)
+			  ButtonOrder = int.MinValue + 200)]	// Position of the button (lower is more to the left)
 
 	public class SectorsMode : ClassicMode
 	{

Source/BuilderModes/ClassicModes/ThingsMode.cs

@@ -36,10 +36,11 @@ using CodeImp.DoomBuilder.Actions;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(SwitchAction = "thingsmode",		// Action name used to switch to this mode
+	[EditMode(DisplayName = "Things",
+			  SwitchAction = "thingsmode",		// Action name used to switch to this mode
 			  ButtonDesc = "Things Mode",		// Description on the button in toolbar/menu
 		      ButtonImage = "ThingsMode.png",	// Image resource name for the button
-			  ButtonOrder = int.MinValue + 3)]	// Position of the button (lower is more to the left)
+			  ButtonOrder = int.MinValue + 300)]	// Position of the button (lower is more to the left)
 
 	public class ThingsMode : ClassicMode
 	{

Source/BuilderModes/ClassicModes/VerticesMode.cs

@@ -36,7 +36,8 @@ using CodeImp.DoomBuilder.Actions;
 
 namespace CodeImp.DoomBuilder.BuilderModes
 {
-	[EditMode(SwitchAction = "verticesmode",	// Action name used to switch to this mode
+	[EditMode(DisplayName = "Vertices",
+			  SwitchAction = "verticesmode",	// Action name used to switch to this mode
 			  ButtonDesc = "Vertices Mode",		// Description on the button in toolbar/menu
 		      ButtonImage = "VerticesMode.png",	// Image resource name for the button
 			  ButtonOrder = int.MinValue + 0)]	// Position of the button (lower is more to the left)

Source/BuilderModes/Resources/Actions.cfg

@@ -181,3 +181,13 @@ mergesectors
 	allowmouse = true;
 	allowscroll = true;
 }
+
+makesectormode
+{
+	title = "Edit: Make Sector Mode";
+	description = "Switches to the Make Sector editing mode. This mode allows creating and fixing and/or splitten sectors by clicking within a closed region.";
+	allowkeys = true;
+	allowmouse = true;
+	allowscroll = true;
+}
+

Source/Editing/EditModeAttribute.cs

@@ -43,6 +43,7 @@ namespace CodeImp.DoomBuilder.Editing
 		private int buttonorder;
 		private bool configspecific;
 		private bool isvolatile;
+		private string displayname;
 		
 		#endregion
 
@@ -86,6 +87,11 @@ namespace CodeImp.DoomBuilder.Editing
 		/// </summary>
 		public bool Volatile { get { return isvolatile; } set { isvolatile = value; } }
 
+		/// <summary>
+		/// Name to display on the button information bar when no specific element information is displayed.
+		/// </summary>
+		public string DisplayName { get { return displayname; } set { displayname = value; } }
+
 		#endregion
 
 		#region ================== Constructor / Disposer

Source/Editing/UndoManager.cs

@@ -142,6 +142,13 @@ namespace CodeImp.DoomBuilder.Editing
 		
 		#region ================== Public Methods
 
+		// This clears all redos
+		public void ClearAllRedos()
+		{
+			ClearRedos();
+			General.MainWindow.UpdateInterface();
+		}
+		
 		// This makes an undo and returns the unique ticket id
 		public int CreateUndo(string description, UndoGroup group, int grouptag)
 		{
@@ -205,7 +212,7 @@ namespace CodeImp.DoomBuilder.Editing
 
 		// This performs an undo
 		[BeginAction("undo")]
-		internal void PerformUndo()
+		public void PerformUndo()
 		{
 			UndoSnapshot u, r;
 			Cursor oldcursor = Cursor.Current;

Source/General/General.cs

@@ -682,6 +682,7 @@ namespace CodeImp.DoomBuilder
 					// All done
 					mainwindow.RedrawDisplay();
 					mainwindow.UpdateInterface();
+					mainwindow.HideInfo();
 					mainwindow.DisplayReady();
 					Cursor.Current = Cursors.Default;
 				}
@@ -714,6 +715,7 @@ namespace CodeImp.DoomBuilder
 				// Done
 				Cursor.Current = Cursors.Default;
 				mainwindow.RedrawDisplay();
+				mainwindow.HideInfo();
 				mainwindow.UpdateInterface();
 				mainwindow.DisplayReady();
 				General.WriteLogLine("Map unload done");
@@ -798,6 +800,7 @@ namespace CodeImp.DoomBuilder
 					// All done
 					mainwindow.RedrawDisplay();
 					mainwindow.UpdateInterface();
+					mainwindow.HideInfo();
 					mainwindow.DisplayReady();
 					Cursor.Current = Cursors.Default;
 				}

Source/General/MapManager.cs

@@ -895,10 +895,17 @@ namespace CodeImp.DoomBuilder
 			mode = newmode;
 
 			// Check appropriate button on interface
+			// And show the mode name
 			if(newmode != null)
+			{
 				General.MainWindow.CheckEditModeButton(newmode.EditModeButtonName);
+				General.MainWindow.DisplayModeName(newmode.Attributes.DisplayName);
+			}
 			else
+			{
 				General.MainWindow.CheckEditModeButton("");
+				General.MainWindow.DisplayModeName("");
+			}
 			
 			// Engage new mode
 			if(newmode != null) newmode.OnEngage();

Source/Geometry/LinedefSide.cs

@@ -75,6 +75,16 @@ namespace CodeImp.DoomBuilder.Geometry
 			this.front = front;
 		}
 
+		/// <summary>
+		/// This makes a copy of the linedef side.
+		/// </summary>
+		public LinedefSide(LinedefSide original)
+		{
+			// Initialize
+			this.line = original.line;
+			this.front = original.front;
+		}
+
 		// Destructor
 		~LinedefSide()
 		{
@@ -84,6 +94,24 @@ namespace CodeImp.DoomBuilder.Geometry
 
 		#region ================== Methods
 
+		// This compares a linedef side
+		public static bool operator ==(LinedefSide a, LinedefSide b)
+		{
+			if((object.Equals(a, null)) && (object.Equals(b, null))) return true;
+			if((!object.Equals(a, null)) && (object.Equals(b, null))) return false;
+			if((object.Equals(a, null)) && (!object.Equals(b, null))) return false;
+			return (a.line == b.line) && (a.front == b.front);
+		}
+
+		// This compares a linedef side
+		public static bool operator !=(LinedefSide a, LinedefSide b)
+		{
+			if((object.Equals(a, null)) && (object.Equals(b, null))) return false;
+			if((!object.Equals(a, null)) && (object.Equals(b, null))) return true;
+			if((object.Equals(a, null)) && (!object.Equals(b, null))) return true;
+			return (a.line != b.line) || (a.front != b.front);
+		}
+
 		#endregion
 	}
 }

Source/Geometry/SectorTools.cs

@@ -26,6 +26,7 @@ using CodeImp.DoomBuilder.Rendering;
 using SlimDX.Direct3D9;
 using System.Drawing;
 using CodeImp.DoomBuilder.Map;
+using CodeImp.DoomBuilder.IO;
 
 #endregion
 
@@ -37,6 +38,17 @@ namespace CodeImp.DoomBuilder.Geometry
 	/// </summary>
 	public static class SectorTools
 	{
+		#region ================== Structures
+
+		private struct SidedefSettings
+		{
+			public string newtexhigh;
+			public string newtexmid;
+			public string newtexlow;
+		}
+
+		#endregion
+		
 		#region ================== Constants
 
 		#endregion
@@ -369,9 +381,11 @@ namespace CodeImp.DoomBuilder.Geometry
 		// This makes the sector from the given lines and sides
 		public static Sector MakeSector(List<LinedefSide> alllines)
 		{
-			Sidedef source = null;
 			Sector newsector = General.Map.Map.CreateSector();
-
+			Sector sourcesector = null;
+			SidedefSettings sourceside = new SidedefSettings();
+			bool removeuselessmiddle;
+			
 			// Check if any of the sides already has a sidedef
 			// Then we use information from that sidedef to make the others
 			foreach(LinedefSide ls in alllines)
@@ -380,8 +394,9 @@ namespace CodeImp.DoomBuilder.Geometry
 				{
 					if(ls.Line.Front != null)
 					{
-						source = ls.Line.Front;
-						source.Sector.CopyPropertiesTo(newsector);
+						// Copy sidedef information if not already found
+						if(sourcesector == null) sourcesector = ls.Line.Front.Sector;
+						TakeSidedefSettings(ref sourceside, ls.Line.Front);
 						break;
 					}
 				}
@@ -389,62 +404,81 @@ namespace CodeImp.DoomBuilder.Geometry
 				{
 					if(ls.Line.Back != null)
 					{
-						source = ls.Line.Back;
-						source.Sector.CopyPropertiesTo(newsector);
+						// Copy sidedef information if not already found
+						if(sourcesector == null) sourcesector = ls.Line.Back.Sector;
+						TakeSidedefSettings(ref sourceside, ls.Line.Back);
 						break;
 					}
 				}
 			}
 
-			// If we couldn't find anything, try the other sides
-			if(source == null)
+			// Now do the same for the other sides
+			// Note how information is only copied when not already found
+			// so this won't override information from the sides searched above
+			foreach(LinedefSide ls in alllines)
 			{
-				foreach(LinedefSide ls in alllines)
+				if(ls.Front)
 				{
-					if(ls.Front)
+					if(ls.Line.Back != null)
 					{
-						if(ls.Line.Back != null)
-						{
-							source = ls.Line.Back;
-							source.Sector.CopyPropertiesTo(newsector);
-							break;
-						}
+						// Copy sidedef information if not already found
+						if(sourcesector == null) sourcesector = ls.Line.Back.Sector;
+						TakeSidedefSettings(ref sourceside, ls.Line.Back);
+						break;
 					}
-					else
+				}
+				else
+				{
+					if(ls.Line.Front != null)
 					{
-						if(ls.Line.Front != null)
-						{
-							source = ls.Line.Front;
-							source.Sector.CopyPropertiesTo(newsector);
-							break;
-						}
+						// Copy sidedef information if not already found
+						if(sourcesector == null) sourcesector = ls.Line.Front.Sector;
+						TakeSidedefSettings(ref sourceside, ls.Line.Front);
+						break;
 					}
 				}
 			}
-
-			// Still nothing found?
-			// Then apply default sector properties
-			if(source == null) ApplyDefaultsToSector(newsector);
+			
+			// Use defaults where no settings could be found
+			TakeSidedefDefaults(ref sourceside);
+			
+			// Found a source sector?
+			if(sourcesector != null)
+			{
+				// Copy properties from source to new sector
+				sourcesector.CopyPropertiesTo(newsector);
+			}
+			else
+			{
+				// No source sector, apply default sector properties
+				ApplyDefaultsToSector(newsector);
+			}
 
 			// Go for all sides to make sidedefs
 			foreach(LinedefSide ls in alllines)
 			{
+				// We may only remove a useless middle texture when
+				// the line was previously singlesided
+				removeuselessmiddle = (ls.Line.Back == null) || (ls.Line.Front == null);
+				
 				if(ls.Front)
 				{
 					// Create sidedef is needed and ensure it points to the new sector
 					if(ls.Line.Front == null) General.Map.Map.CreateSidedef(ls.Line, true, newsector);
 					if(ls.Line.Front.Sector != newsector) ls.Line.Front.ChangeSector(newsector);
-					if(source != null) source.CopyPropertiesTo(ls.Line.Front); else ApplyDefaultsToSidedef(ls.Line.Front);
+					ApplyDefaultsToSidedef(ls.Line.Front, sourceside);
 				}
 				else
 				{
 					// Create sidedef is needed and ensure it points to the new sector
 					if(ls.Line.Back == null) General.Map.Map.CreateSidedef(ls.Line, false, newsector);
 					if(ls.Line.Back.Sector != newsector) ls.Line.Back.ChangeSector(newsector);
-					if(source != null) source.CopyPropertiesTo(ls.Line.Back); else ApplyDefaultsToSidedef(ls.Line.Back);
+					ApplyDefaultsToSidedef(ls.Line.Back, sourceside);
 				}
 
 				// Update line
+				if(ls.Line.Front != null) ls.Line.Front.RemoveUnneededTextures(removeuselessmiddle);
+				if(ls.Line.Back != null) ls.Line.Back.RemoveUnneededTextures(removeuselessmiddle);
 				ls.Line.ApplySidedFlags();
 			}
 
@@ -456,6 +490,14 @@ namespace CodeImp.DoomBuilder.Geometry
 		// This joins a sector with the given lines and sides
 		public static Sector JoinSector(List<LinedefSide> alllines, Sidedef original)
 		{
+			SidedefSettings sourceside = new SidedefSettings();
+			
+			// Take settings fro mthe original side
+			TakeSidedefSettings(ref sourceside, original);
+
+			// Use defaults where no settings could be found
+			TakeSidedefDefaults(ref sourceside);
+
 			// Go for all sides to make sidedefs
 			foreach(LinedefSide ls in alllines)
 			{
@@ -465,10 +507,8 @@ namespace CodeImp.DoomBuilder.Geometry
 					if(ls.Line.Front == null)
 					{
 						General.Map.Map.CreateSidedef(ls.Line, true, original.Sector);
-						ls.Line.ApplySidedFlags();
+						ApplyDefaultsToSidedef(ls.Line.Front, sourceside);
 					}
-					original.CopyPropertiesTo(ls.Line.Front);
-					ApplyDefaultsToSidedef(ls.Line.Front);
 				}
 				else
 				{
@@ -476,10 +516,8 @@ namespace CodeImp.DoomBuilder.Geometry
 					if(ls.Line.Back == null)
 					{
 						General.Map.Map.CreateSidedef(ls.Line, false, original.Sector);
-						ls.Line.ApplySidedFlags();
+						ApplyDefaultsToSidedef(ls.Line.Back, sourceside);
 					}
-					original.CopyPropertiesTo(ls.Line.Back);
-					ApplyDefaultsToSidedef(ls.Line.Back);
 				}
 
 				// Update line
@@ -490,12 +528,32 @@ namespace CodeImp.DoomBuilder.Geometry
 			return original.Sector;
 		}
 
-		// This applies defaults to a sidedef
-		private static void ApplyDefaultsToSidedef(Sidedef sd)
+		// This takes default settings if not taken yet
+		private static void TakeSidedefDefaults(ref SidedefSettings settings)
 		{
-			if(sd.HighRequired() && sd.HighTexture.StartsWith("-")) sd.SetTextureHigh(General.Settings.DefaultTexture);
-			if(sd.MiddleRequired() && sd.MiddleTexture.StartsWith("-")) sd.SetTextureMid(General.Settings.DefaultTexture);
-			if(sd.LowRequired() && sd.LowTexture.StartsWith("-")) sd.SetTextureLow(General.Settings.DefaultTexture);
+			// Use defaults where no settings could be found
+			if(settings.newtexhigh == null) settings.newtexhigh = General.Settings.DefaultTexture;
+			if(settings.newtexmid == null) settings.newtexmid = General.Settings.DefaultTexture;
+			if(settings.newtexlow == null) settings.newtexlow = General.Settings.DefaultTexture;
+		}
+
+		// This takes sidedef settings if not taken yet
+		private static void TakeSidedefSettings(ref SidedefSettings settings, Sidedef side)
+		{
+			if((side.LongHighTexture != General.Map.Map.EmptyLongName) && (settings.newtexhigh == null))
+				settings.newtexhigh = side.HighTexture;
+			if((side.LongMiddleTexture != General.Map.Map.EmptyLongName) && (settings.newtexmid == null))
+				settings.newtexmid = side.MiddleTexture;
+			if((side.LongLowTexture != General.Map.Map.EmptyLongName) && (settings.newtexlow == null))
+				settings.newtexlow = side.LowTexture;
+		}
+		
+		// This applies defaults to a sidedef
+		private static void ApplyDefaultsToSidedef(Sidedef sd, SidedefSettings defaults)
+		{
+			if(sd.HighRequired() && sd.HighTexture.StartsWith("-")) sd.SetTextureHigh(defaults.newtexhigh);
+			if(sd.MiddleRequired() && sd.MiddleTexture.StartsWith("-")) sd.SetTextureMid(defaults.newtexmid);
+			if(sd.LowRequired() && sd.LowTexture.StartsWith("-")) sd.SetTextureLow(defaults.newtexlow);
 		}
 
 		// This applies defaults to a sector

Source/Map/Sector.cs

@@ -115,6 +115,7 @@ namespace CodeImp.DoomBuilder.Map
 			this.ceiltexname = "-";
 			this.longfloortexname = map.EmptyLongName;
 			this.longceiltexname = map.EmptyLongName;
+			this.triangulationneeded = true;
 			
 			// We have no destructor
 			GC.SuppressFinalize(this);

Source/Windows/IMainForm.cs

@@ -53,9 +53,9 @@ namespace CodeImp.DoomBuilder.Windows
 		void DisplayReady();
 		void DisplayStatus(string status);
 		void RedrawDisplay();
-		void ShowEditLinedefs(ICollection<Linedef> lines);
-		void ShowEditSectors(ICollection<Sector> sectors);
-		void ShowEditThings(ICollection<Thing> things);
+		DialogResult ShowEditLinedefs(ICollection<Linedef> lines);
+		DialogResult ShowEditSectors(ICollection<Sector> sectors);
+		DialogResult ShowEditThings(ICollection<Thing> things);
 		void ShowLinedefInfo(Linedef l);
 		void ShowSectorInfo(Sector s);
 		void ShowThingInfo(Thing t);

Source/Windows/MainForm.Designer.cs

@@ -115,6 +115,7 @@ namespace CodeImp.DoomBuilder.Windows
 			this.xposlabel = new System.Windows.Forms.ToolStripStatusLabel();
 			this.yposlabel = new System.Windows.Forms.ToolStripStatusLabel();
 			this.panelinfo = new System.Windows.Forms.Panel();
+			this.modename = new System.Windows.Forms.Label();
 			this.vertexinfo = new CodeImp.DoomBuilder.Controls.VertexInfoPanel();
 			this.thinginfo = new CodeImp.DoomBuilder.Controls.ThingInfoPanel();
 			this.sectorinfo = new CodeImp.DoomBuilder.Controls.SectorInfoPanel();
@@ -238,7 +239,7 @@ namespace CodeImp.DoomBuilder.Windows
             this.menuhelp});
 			this.menumain.Location = new System.Drawing.Point(0, 0);
 			this.menumain.Name = "menumain";
-			this.menumain.Size = new System.Drawing.Size(803, 24);
+			this.menumain.Size = new System.Drawing.Size(823, 24);
 			this.menumain.TabIndex = 0;
 			// 
 			// menufile
@@ -513,7 +514,7 @@ namespace CodeImp.DoomBuilder.Windows
             this.toolStripSeparator6});
 			this.toolbar.Location = new System.Drawing.Point(0, 24);
 			this.toolbar.Name = "toolbar";
-			this.toolbar.Size = new System.Drawing.Size(803, 25);
+			this.toolbar.Size = new System.Drawing.Size(823, 25);
 			this.toolbar.TabIndex = 1;
 			// 
 			// buttonnewmap
@@ -680,7 +681,7 @@ namespace CodeImp.DoomBuilder.Windows
 			this.statusbar.Location = new System.Drawing.Point(0, 522);
 			this.statusbar.Name = "statusbar";
 			this.statusbar.ShowItemToolTips = true;
-			this.statusbar.Size = new System.Drawing.Size(803, 23);
+			this.statusbar.Size = new System.Drawing.Size(823, 23);
 			this.statusbar.TabIndex = 2;
 			// 
 			// statuslabel
@@ -689,7 +690,7 @@ namespace CodeImp.DoomBuilder.Windows
 			this.statuslabel.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
 			this.statuslabel.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
 			this.statuslabel.Name = "statuslabel";
-			this.statuslabel.Size = new System.Drawing.Size(477, 18);
+			this.statuslabel.Size = new System.Drawing.Size(497, 18);
 			this.statuslabel.Spring = true;
 			this.statuslabel.Text = "Initializing user interface...";
 			this.statuslabel.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
@@ -909,6 +910,7 @@ namespace CodeImp.DoomBuilder.Windows
 			// 
 			// panelinfo
 			// 
+			this.panelinfo.Controls.Add(this.modename);
 			this.panelinfo.Controls.Add(this.vertexinfo);
 			this.panelinfo.Controls.Add(this.thinginfo);
 			this.panelinfo.Controls.Add(this.sectorinfo);
@@ -916,9 +918,23 @@ namespace CodeImp.DoomBuilder.Windows
 			this.panelinfo.Dock = System.Windows.Forms.DockStyle.Bottom;
 			this.panelinfo.Location = new System.Drawing.Point(0, 416);
 			this.panelinfo.Name = "panelinfo";
-			this.panelinfo.Size = new System.Drawing.Size(803, 106);
+			this.panelinfo.Size = new System.Drawing.Size(823, 106);
 			this.panelinfo.TabIndex = 4;
 			// 
+			// modename
+			// 
+			this.modename.AutoSize = true;
+			this.modename.Font = new System.Drawing.Font("Verdana", 36F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+			this.modename.ForeColor = System.Drawing.SystemColors.GrayText;
+			this.modename.Location = new System.Drawing.Point(12, 20);
+			this.modename.Name = "modename";
+			this.modename.Size = new System.Drawing.Size(244, 59);
+			this.modename.TabIndex = 4;
+			this.modename.Text = "Vertices";
+			this.modename.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+			this.modename.UseMnemonic = false;
+			this.modename.Visible = false;
+			// 
 			// vertexinfo
 			// 
 			this.vertexinfo.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
@@ -977,7 +993,7 @@ namespace CodeImp.DoomBuilder.Windows
 			this.display.Dock = System.Windows.Forms.DockStyle.Fill;
 			this.display.Location = new System.Drawing.Point(0, 49);
 			this.display.Name = "display";
-			this.display.Size = new System.Drawing.Size(803, 367);
+			this.display.Size = new System.Drawing.Size(823, 367);
 			this.display.TabIndex = 5;
 			this.display.MouseLeave += new System.EventHandler(this.display_MouseLeave);
 			this.display.Paint += new System.Windows.Forms.PaintEventHandler(this.display_Paint);
@@ -997,7 +1013,7 @@ namespace CodeImp.DoomBuilder.Windows
 			// MainForm
 			// 
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
-			this.ClientSize = new System.Drawing.Size(803, 545);
+			this.ClientSize = new System.Drawing.Size(823, 545);
 			this.Controls.Add(this.display);
 			this.Controls.Add(this.panelinfo);
 			this.Controls.Add(this.statusbar);
@@ -1026,6 +1042,7 @@ namespace CodeImp.DoomBuilder.Windows
 			this.statusbar.ResumeLayout(false);
 			this.statusbar.PerformLayout();
 			this.panelinfo.ResumeLayout(false);
+			this.panelinfo.PerformLayout();
 			this.ResumeLayout(false);
 			this.PerformLayout();
 
@@ -1112,5 +1129,6 @@ namespace CodeImp.DoomBuilder.Windows
 		private System.Windows.Forms.ToolStripMenuItem itemgridinc;
 		private System.Windows.Forms.ToolStripMenuItem itemgriddec;
 		private System.Windows.Forms.ToolStripMenuItem itemgridsetup;
+		private System.Windows.Forms.Label modename;
 	}
 }

Source/Windows/MainForm.cs

@@ -1486,6 +1486,13 @@ namespace CodeImp.DoomBuilder.Windows
 		
 		#region ================== Info Panels
 
+		// This displays the current mode name
+		internal void DisplayModeName(string name)
+		{
+			modename.Text = name;
+			modename.Refresh();
+		}
+		
 		// This hides all info panels
 		public void HideInfo()
 		{
@@ -1494,52 +1501,82 @@ namespace CodeImp.DoomBuilder.Windows
 			if(vertexinfo.Visible) vertexinfo.Hide();
 			if(sectorinfo.Visible) sectorinfo.Hide();
 			if(thinginfo.Visible) thinginfo.Hide();
+			modename.Visible = (General.Map != null);
+			modename.Refresh();
 		}
 		
 		// Show linedef info
-		public void ShowLinedefInfo(Linedef l) { linedefinfo.ShowInfo(l); }
+		public void ShowLinedefInfo(Linedef l)
+		{
+			modename.Visible = false;
+			linedefinfo.ShowInfo(l);
+		}
 
 		// Show vertex info
-		public void ShowVertexInfo(Vertex v) { vertexinfo.ShowInfo(v); }
+		public void ShowVertexInfo(Vertex v)
+		{
+			modename.Visible = false;
+			vertexinfo.ShowInfo(v);
+		}
 
 		// Show sector info
-		public void ShowSectorInfo(Sector s) { sectorinfo.ShowInfo(s); }
+		public void ShowSectorInfo(Sector s)
+		{
+			modename.Visible = false;
+			sectorinfo.ShowInfo(s);
+		}
 
 		// Show thing info
-		public void ShowThingInfo(Thing t) { thinginfo.ShowInfo(t); }
+		public void ShowThingInfo(Thing t)
+		{
+			modename.Visible = false;
+			thinginfo.ShowInfo(t);
+		}
 
 		#endregion
 
 		#region ================== Dialogs
 
 		// This shows the dialog to edit lines
-		public void ShowEditLinedefs(ICollection<Linedef> lines)
+		public DialogResult ShowEditLinedefs(ICollection<Linedef> lines)
 		{
+			DialogResult result;
+
 			// Show line edit dialog
 			LinedefEditForm f = new LinedefEditForm();
 			f.Setup(lines);
-			f.ShowDialog(this);
+			result = f.ShowDialog(this);
 			f.Dispose();
+
+			return result;
 		}
 
 		// This shows the dialog to edit sectors
-		public void ShowEditSectors(ICollection<Sector> sectors)
+		public DialogResult ShowEditSectors(ICollection<Sector> sectors)
 		{
+			DialogResult result;
+
 			// Show sector edit dialog
 			SectorEditForm f = new SectorEditForm();
 			f.Setup(sectors);
-			f.ShowDialog(this);
+			result = f.ShowDialog(this);
 			f.Dispose();
+
+			return result;
 		}
 
 		// This shows the dialog to edit things
-		public void ShowEditThings(ICollection<Thing> things)
+		public DialogResult ShowEditThings(ICollection<Thing> things)
 		{
+			DialogResult result;
+
 			// Show thing edit dialog
 			ThingEditForm f = new ThingEditForm();
 			f.Setup(things);
-			f.ShowDialog(this);
+			result = f.ShowDialog(this);
 			f.Dispose();
+			
+			return result;
 		}
 
 		#endregion

Source/Windows/MainForm.resx

@@ -177,6 +177,9 @@
   <metadata name="panelinfo.Locked" type="System.Boolean, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
+  <metadata name="modename.Locked" type="System.Boolean, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
   <metadata name="vertexinfo.Locked" type="System.Boolean, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>