UltimateZoneBuilder/Source/Plugins/VisplaneExplorer/NearestLineBlockmap.cs

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#region === Copyright (c) 2010 Pascal van der Heiden ===
using System.Collections.Generic;
using System.Drawing;
using CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Map;
#endregion
namespace CodeImp.DoomBuilder.Plugins.VisplaneExplorer
{
internal sealed class NearestLineBlockmap : BlockMap<BlockEntry>
{
// Constructor
public NearestLineBlockmap(RectangleF range) : base(range)
{
List<Linedef> singlesided = new List<Linedef>(General.Map.Map.Linedefs.Count);
foreach(Linedef ld in General.Map.Map.Linedefs)
if(ld.Back == null) singlesided.Add(ld);
AddLinedefsSet(singlesided);
// Blocks that do not have any linedefs in them must get the nearest line in them!
for(int x = 0; x < size.Width; x++)
{
for(int y = 0; y < size.Height; y++)
{
BlockEntry be = blockmap[x, y];
if(be.Lines.Count == 0)
{
Vector2D bc = GetBlockCenter(new Point(x, y));
Linedef ld = MapSet.NearestLinedef(singlesided, bc);
be.Lines.Add(ld);
}
}
}
}
}
}