UltimateZoneBuilder/Source/Geometry/SidedefsTracePath.cs
2008-05-01 19:31:49 +00:00

110 lines
2.4 KiB
C#

#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 CodeImp.DoomBuilder.Geometry;
using CodeImp.DoomBuilder.Rendering;
using SlimDX.Direct3D;
using System.Drawing;
using CodeImp.DoomBuilder.Map;
#endregion
namespace CodeImp.DoomBuilder.Geometry
{
public class SidedefsTracePath : List<Sidedef>
{
#region ================== Constants
#endregion
#region ================== Variables
#endregion
#region ================== Properties
#endregion
#region ================== Constructor / Disposer
// Constructor
public SidedefsTracePath()
{
// Initialize
}
// Constructor
public SidedefsTracePath(SidedefsTracePath p, Sidedef add) : base(p)
{
// Initialize
base.Add(add);
}
#endregion
#region ================== Methods
// This checks if the polygon is closed
public bool CheckIsClosed()
{
// There must be at least 2 sidedefs
if(base.Count > 1)
{
// The end sidedef must share a vertex with the first
return (base[0].Line.Start == base[base.Count - 1].Line.Start) ||
(base[0].Line.Start == base[base.Count - 1].Line.End) ||
(base[0].Line.End == base[base.Count - 1].Line.Start) ||
(base[0].Line.End == base[base.Count - 1].Line.End);
}
else
{
// Not closed
return false;
}
}
// This makes a polygon from the path
public Polygon MakePolygon()
{
Polygon p = new Polygon();
// Any sides at all?
if(base.Count > 0)
{
// Add all sides
for(int i = 0; i < base.Count; i++)
{
// On front or back?
if(base[i].IsFront)
p.AddLast(new EarClipVertex(base[i].Line.End.Position));
else
p.AddLast(new EarClipVertex(base[i].Line.Start.Position));
}
}
return p;
}
#endregion
}
}