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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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153 lines
3.6 KiB
C#
Executable file
153 lines
3.6 KiB
C#
Executable file
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Collections.Generic;
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using CodeImp.DoomBuilder.Map;
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#endregion
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namespace CodeImp.DoomBuilder.Geometry
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{
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public sealed class EarClipVertex
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{
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#region ================== Variables
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// Position
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private Vector2D pos;
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// Along a sidedef?
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private Sidedef sidedef;
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// Lists
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private LinkedListNode<EarClipVertex> vertslink;
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private LinkedListNode<EarClipVertex> reflexlink;
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private LinkedListNode<EarClipVertex> eartiplink;
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#endregion
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#region ================== Properties
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public Vector2D Position { get { return pos; } }
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internal LinkedListNode<EarClipVertex> MainListNode { get { return vertslink; } }
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public bool IsReflex { get { return (reflexlink != null); } }
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public bool IsEarTip { get { return (eartiplink != null); } }
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internal Sidedef Sidedef { get { return sidedef; } set { sidedef = value; } }
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#endregion
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#region ================== Constructor / Disposer
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// Copy constructor
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internal EarClipVertex(EarClipVertex v)
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{
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// Initialize
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this.pos = v.pos;
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this.sidedef = v.sidedef;
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Copy constructor
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internal EarClipVertex(EarClipVertex v, Sidedef sidedef)
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{
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// Initialize
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this.pos = v.pos;
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this.sidedef = sidedef;
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Constructor
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internal EarClipVertex(Vector2D v, Sidedef sidedef)
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{
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// Initialize
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this.pos = v;
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this.sidedef = sidedef;
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Disposer
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internal void Dispose()
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{
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reflexlink = null;
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eartiplink = null;
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vertslink = null;
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sidedef = null;
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}
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#endregion
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#region ================== Methods
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// This sets the main linked list node
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internal void SetVertsLink(LinkedListNode<EarClipVertex> link)
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{
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this.vertslink = link;
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}
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// This removes the item from all lists
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internal void Remove()
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{
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vertslink.List.Remove(vertslink);
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if(reflexlink != null) reflexlink.List.Remove(reflexlink);
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if(eartiplink != null) eartiplink.List.Remove(eartiplink);
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reflexlink = null;
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eartiplink = null;
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vertslink = null;
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}
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// This adds to reflexes list
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public void AddReflex(LinkedList<EarClipVertex> reflexes)
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{
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#if DEBUG
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if(vertslink == null) throw new Exception();
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#endif
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if(reflexlink == null) reflexlink = reflexes.AddLast(this);
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}
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// This removes from reflexes list
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internal void RemoveReflex()
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{
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if(reflexlink != null) reflexlink.List.Remove(reflexlink);
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reflexlink = null;
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}
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// This adds to eartips list
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internal void AddEarTip(LinkedList<EarClipVertex> eartips)
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{
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#if DEBUG
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if(vertslink == null) throw new Exception();
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#endif
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if(eartiplink == null) eartiplink = eartips.AddLast(this);
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}
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// This removes from eartips list
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internal void RemoveEarTip()
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{
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if(eartiplink != null) eartiplink.List.Remove(eartiplink);
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eartiplink = null;
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}
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#endregion
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}
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}
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