added automatic zoom in on selected object in Map Analysis mode

Source/BuilderModes/ErrorChecks/ErrorResult.cs

@@ -33,6 +33,7 @@ using CodeImp.DoomBuilder.Editing;
 using CodeImp.DoomBuilder.Actions;
 using CodeImp.DoomBuilder.Types;
 using CodeImp.DoomBuilder.Config;
+using System.Drawing;
 
 #endregion
 
@@ -43,6 +44,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		#region ================== Variables
 		
 		protected string description;
+		protected List<MapElement> viewobjects;
 		
 		#endregion
 		
@@ -64,6 +66,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		public ErrorResult()
 		{
 			// Initialize
+			viewobjects = new List<MapElement>(1);
 		}
 		
 		#endregion
@@ -112,6 +115,74 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 		}
 		
+		// Call this to zoom in on the given selection
+		public void ZoomToObject()
+		{
+			List<Vector2D> points = new List<Vector2D>();
+			RectangleF area = MapSet.CreateEmptyArea();
+			
+			// Add all points to a list
+			foreach(MapElement obj in viewobjects)
+			{
+				if(obj is Vertex)
+				{
+					points.Add((obj as Vertex).Position);
+				}
+				else if(obj is Linedef)
+				{
+					points.Add((obj as Linedef).Start.Position);
+					points.Add((obj as Linedef).End.Position);
+				}
+				else if(obj is Sector)
+				{
+					Sector s = (obj as Sector);
+					foreach(Sidedef sd in s.Sidedefs)
+					{
+						points.Add(sd.Line.Start.Position);
+						points.Add(sd.Line.End.Position);
+					}
+				}
+				else if(obj is Thing)
+				{
+					Thing t = (obj as Thing);
+					Vector2D p = (Vector2D)t.Position;
+					points.Add(p);
+					points.Add(p + new Vector2D(t.Size * 2.0f, t.Size * 2.0f));
+					points.Add(p + new Vector2D(t.Size * 2.0f, -t.Size * 2.0f));
+					points.Add(p + new Vector2D(-t.Size * 2.0f, t.Size * 2.0f));
+					points.Add(p + new Vector2D(-t.Size * 2.0f, -t.Size * 2.0f));
+				}
+				else
+				{
+					General.Fail("Unknown object given to zoom in on.");
+				}
+			}
+			
+			// Make a view area from the points
+			foreach(Vector2D p in points) area = MapSet.IncreaseArea(area, p);
+			
+			// Make the area square, using the largest side
+			if(area.Width > area.Height)
+			{
+				float delta = area.Width - area.Height;
+				area.Y -= delta * 0.5f;
+				area.Height += delta;
+			}
+			else
+			{
+				float delta = area.Height - area.Width;
+				area.X -= delta * 0.5f;
+				area.Width += delta;
+			}
+			
+			// Add padding
+			area.Inflate(100f, 100f);
+			
+			// Zoom to area
+			ClassicMode editmode = (General.Editing.Mode as ClassicMode);
+			editmode.CenterOnArea(area, 0.6f);
+		}
+		
 		#endregion
 	}
 }

Source/BuilderModes/ErrorChecks/ResultLineMissingFront.cs

@@ -63,6 +63,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			// Initialize
 			this.line = l;
+			this.viewobjects.Add(l);
 			this.description = "This linedef has a back sidedef, but is missing a front sidedef. " +
 							   "A line must have at least a front side and optionally a back side! " +
 							   "Click Flip Linedef if the line is supposed to be single-sided.";

Source/BuilderModes/ErrorChecks/ResultLineMissingSides.cs

@@ -67,6 +67,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			
 			// Initialize
 			this.line = l;
+			this.viewobjects.Add(l);
 			this.description = "This linedef is missing front and back sidedefs." +
 							   "A line must have at least a front side and optionally a back side!";
 			

Source/BuilderModes/ErrorChecks/ResultLineNotDoubleSided.cs

@@ -63,6 +63,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			// Initialize
 			this.line = l;
+			this.viewobjects.Add(l);
 			this.description = "This linedef is marked as double-sided, but is missing the back sidedef. Click Make Single-Sided to remove the double-sided flag from the line.";
 			
 			// One solution is to remove the double-sided flag

Source/BuilderModes/ErrorChecks/ResultLineNotSingleSided.cs

@@ -61,6 +61,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			// Initialize
 			this.line = l;
+			this.viewobjects.Add(l);
 			this.description = "This linedef is marked as single-sided, but has both a front and a back sidedef. Click Make Double-Sided to flag the line as double-sided." +
 							   " Or click Remove Sidedef to remove the sidedef on the back side (making the line really single-sided).";
 		}

Source/BuilderModes/ErrorChecks/ResultLineOverlapping.cs

@@ -61,6 +61,8 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			// Initialize
 			this.line1 = l1;
 			this.line2 = l2;
+			this.viewobjects.Add(l1);
+			this.viewobjects.Add(l2);
 			this.description = "These linedefs are overlapping and they do not reference the same sector on all sides. Overlapping lines is only allowed when they reference the same sector on all sides.";
 		}
 		

Source/BuilderModes/ErrorChecks/ResultStuckedThing.cs

@@ -60,6 +60,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			// Initialize
 			this.thing = t;
+			this.viewobjects.Add(t);
 			this.description = "This thing is stucked in a wall (single-sided line) and will likely not be able to move around.";
 		}
 		

Source/BuilderModes/ErrorChecks/ResultThingOutside.cs

@@ -60,6 +60,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 		{
 			// Initialize
 			this.thing = t;
+			this.viewobjects.Add(t);
 			this.description = "This thing is completely outside the map.";
 		}
 

Source/BuilderModes/FindReplace/FindReplaceObject.cs

@@ -101,10 +101,10 @@ namespace CodeImp.DoomBuilder.BuilderModes
 				Thing t = (obj as Thing);
 				Vector2D p = (Vector2D)t.Position;
 				points.Add(p);
-				points.Add(p + new Vector2D(t.Size, t.Size));
-				points.Add(p + new Vector2D(t.Size, -t.Size));
-				points.Add(p + new Vector2D(-t.Size, t.Size));
-				points.Add(p + new Vector2D(-t.Size, -t.Size));
+				points.Add(p + new Vector2D(t.Size * 2.0f, t.Size * 2.0f));
+				points.Add(p + new Vector2D(t.Size * 2.0f, -t.Size * 2.0f));
+				points.Add(p + new Vector2D(-t.Size * 2.0f, t.Size * 2.0f));
+				points.Add(p + new Vector2D(-t.Size * 2.0f, -t.Size * 2.0f));
 			}
 		}
 		

Source/BuilderModes/FindReplace/FindReplaceType.cs

@@ -155,7 +155,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			
 			// Zoom to area
 			ClassicMode editmode = (General.Editing.Mode as ClassicMode);
-			editmode.CenterOnArea(area, 1f);
+			editmode.CenterOnArea(area, 0.6f);
 		}
 		
 		#endregion

Source/BuilderModes/Interface/ErrorCheckForm.cs

@@ -375,6 +375,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
 				fix1.Visible = (r.Buttons >= 1);
 				fix2.Visible = (r.Buttons >= 2);
 				fix3.Visible = (r.Buttons >= 3);
+				r.ZoomToObject();
 			}
 			else
 			{