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inserting a vertex using 'insert item' action now also splits linedefs

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This commit is contained in:
codeimp 2009-01-05 21:00:36 +00:00
parent b694ba5347
commit 5115857b7b
1 changed files with 87 additions and 16 deletions
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103
Source/BuilderModes/ClassicModes/VerticesMode.cs
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@ -47,7 +47,7 @@ namespace CodeImp.DoomBuilder.BuilderModes
#region ================== Constants
public const float VERTEX_HIGHLIGHT_RANGE = 20f;
public const float LINEDEF_SPLIT_RANGE = 8f;
public const float LINEDEF_SPLIT_RANGE = 12f;
#endregion
@ -237,6 +237,9 @@ namespace CodeImp.DoomBuilder.BuilderModes
// Start editing
protected override void OnEditBegin()
{
bool snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
bool snaptonearest = General.Interface.CtrlState ^ General.Interface.AutoMerge;
// Vertex highlighted?
if((highlighted != null) && !highlighted.IsDisposed)
{
@ -247,23 +250,48 @@ namespace CodeImp.DoomBuilder.BuilderModes
{
// Find the nearest linedef within highlight range
Linedef l = General.Map.Map.NearestLinedefRange(mousemappos, LINEDEF_SPLIT_RANGE / renderer.Scale);
// Found a line?
if(l != null)
{
// Create undo
General.Map.UndoRedo.CreateUndo("Split linedef");
// Create vertex at nearest point on line
Vector2D nearestpos = l.NearestOnLine(mousemappos);
Vertex v = General.Map.Map.CreateVertex(nearestpos);
Vector2D insertpos;
// Snip to grid also?
if(snaptogrid)
{
// Find all points where the grid intersects the line
List<Vector2D> points = l.GetGridIntersections();
insertpos = mousemappos;
float distance = float.MaxValue;
foreach(Vector2D p in points)
{
float pdist = Vector2D.DistanceSq(p, mousemappos);
if(pdist < distance)
{
insertpos = p;
distance = pdist;
}
}
}
else
{
// Just use the nearest point on line
insertpos = l.NearestOnLine(mousemappos);
}
// Make the vertex
Vertex v = General.Map.Map.CreateVertex(insertpos);
// Snap to map format accuracy
v.SnapToAccuracy();
// Split the line with this vertex
l.Split(v);
// Update
General.Map.Map.Update();
// Highlight it
Highlight(v);
@ -274,8 +302,6 @@ namespace CodeImp.DoomBuilder.BuilderModes
{
// Start drawing mode
DrawGeometryMode drawmode = new DrawGeometryMode();
bool snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
bool snaptonearest = General.Interface.CtrlState ^ General.Interface.AutoMerge;
DrawnVertex v = DrawGeometryMode.GetCurrentPosition(mousemappos, snaptonearest, snaptogrid, renderer, new List<DrawnVertex>());
drawmode.DrawPointAt(v);
General.Editing.ChangeMode(drawmode);
@ -422,24 +448,69 @@ namespace CodeImp.DoomBuilder.BuilderModes
[BeginAction("insertitem", BaseAction = true)]
public virtual void InsertVertex()
{
bool snaptogrid = General.Interface.ShiftState ^ General.Interface.SnapToGrid;
bool snaptonearest = General.Interface.CtrlState ^ General.Interface.AutoMerge;
// Mouse in window?
if(mouseinside)
{
// Create vertex at mouse position
Vertex v = General.Map.Map.CreateVertex(mousemappos);
Vector2D insertpos;
Linedef l = null;
// Create undo
General.Map.UndoRedo.CreateUndo("Insert vertex");
// Snap to grid enabled?
if(General.Interface.SnapToGrid)
// Snap to geometry?
l = General.Map.Map.NearestLinedefRange(mousemappos, LINEDEF_SPLIT_RANGE / renderer.Scale);
if(snaptonearest && (l != null))
{
// Snip to grid also?
if(snaptogrid)
{
// Find all points where the grid intersects the line
List<Vector2D> points = l.GetGridIntersections();
insertpos = mousemappos;
float distance = float.MaxValue;
foreach(Vector2D p in points)
{
float pdist = Vector2D.DistanceSq(p, mousemappos);
if(pdist < distance)
{
insertpos = p;
distance = pdist;
}
}
}
else
{
// Just use the nearest point on line
insertpos = l.NearestOnLine(mousemappos);
}
}
// Snap to grid?
else if(snaptogrid)
{
// Snap to grid
v.SnapToGrid();
insertpos = General.Map.Grid.SnappedToGrid(mousemappos);
}
else
{
// Snap to map format accuracy
v.SnapToAccuracy();
// Just insert here, don't snap to anything
insertpos = mousemappos;
}
// Make the vertex
Vertex v = General.Map.Map.CreateVertex(insertpos);
// Snap to map format accuracy
v.SnapToAccuracy();
// Split the line with this vertex
if(snaptonearest && (l != null)) l.Split(v);
// Update
General.Map.Map.Update();
// Redraw screen
General.Interface.RedrawDisplay();
}