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linedefs will now be correctly flipped when the selection is mirrored

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codeimp 2009-01-03 11:02:51 +00:00
parent 750507e8ad
commit a0fa6601ce
1 changed files with 19 additions and 0 deletions
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19
Source/BuilderModes/ClassicModes/EditSelectionMode.cs
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@ -96,6 +96,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
// Selection
private ICollection<Vertex> selectedvertices;
private ICollection<Thing> selectedthings;
private ICollection<Linedef> selectedlines;
private List<Vector2D> vertexpos;
private List<Vector2D> thingpos;
private ICollection<Vertex> unselectedvertices;
@ -107,6 +108,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
private Vector2D size;
private Vector2D baseoffset;
private Vector2D basesize;
private bool linesflipped;
// Modifying Modes
private ModifyMode mode;
@ -495,6 +497,10 @@ namespace CodeImp.DoomBuilder.BuilderModes
t.Move(TransformedPoint(thingpos[index++]));
}
// This checks if the lines should be flipped
bool shouldbeflipped = (size.x < 0.0f) ^ (size.y < 0.0f);
if(shouldbeflipped != linesflipped) FlipLinedefs();
General.Map.Map.Update(true, false);
}
@ -574,6 +580,17 @@ namespace CodeImp.DoomBuilder.BuilderModes
gripsize, gripsize);
}
// This flips all linedefs in the selection (used for mirroring)
private void FlipLinedefs()
{
// Flip linedefs
foreach(Linedef ld in selectedlines)
ld.FlipVertices();
// Done
linesflipped = !linesflipped;
}
#endregion
#region ================== Events
@ -598,6 +615,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
foreach(Vertex v in selectedvertices) v.Selected = true;
ICollection<Linedef> markedlines = General.Map.Map.LinedefsFromMarkedVertices(false, true, false);
foreach(Linedef l in markedlines) l.Selected = true;
selectedlines = General.Map.Map.LinedefsFromMarkedVertices(false, true, false);
unselectedlines = General.Map.Map.LinedefsFromMarkedVertices(true, false, false);
// Array to keep original coordinates
@ -727,6 +745,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
Cursor.Current = Cursors.AppStarting;
// Reset geometry in original position
if(linesflipped) FlipLinedefs(); // Flip linedefs back if they were flipped
int index = 0;
foreach(Vertex v in selectedvertices)
v.Move(vertexpos[index++]);