mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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1247 lines
38 KiB
C#
1247 lines
38 KiB
C#
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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.Config;
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using CodeImp.DoomBuilder.Data;
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using CodeImp.DoomBuilder.GZBuilder.Tools;
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using CodeImp.DoomBuilder.Geometry;
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using System.Drawing;
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using CodeImp.DoomBuilder.IO;
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#endregion
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namespace CodeImp.DoomBuilder.Map
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{
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public sealed class Linedef : SelectableElement
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{
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#region ================== Constants
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public const float SIDE_POINT_DISTANCE = 0.01f;
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public const int NUM_ARGS = 5;
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#endregion
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#region ================== Variables
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// Map
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private MapSet map;
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// List items
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private LinkedListNode<Linedef> startvertexlistitem;
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private LinkedListNode<Linedef> endvertexlistitem;
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private LinkedListNode<Linedef> selecteditem;
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// Vertices
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private Vertex start;
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private Vertex end;
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// Sidedefs
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private Sidedef front;
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private Sidedef back;
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// Cache
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private bool updateneeded;
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private float lengthsq;
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private float lengthsqinv;
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private float length;
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private float lengthinv;
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private float angle;
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private RectangleF rect;
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private bool impassableflag;
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// Properties
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private Dictionary<string, bool> flags;
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private int action;
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private int activate;
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private int tag;
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private int[] args;
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private bool frontinterior; // for drawing only
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private int colorPresetIndex;//mxd
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// Clone
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private int serializedindex;
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#endregion
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#region ================== Properties
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public MapSet Map { get { return map; } }
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public Vertex Start { get { return start; } }
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public Vertex End { get { return end; } }
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public Sidedef Front { get { return front; } }
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public Sidedef Back { get { return back; } }
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public Line2D Line { get { return new Line2D(start.Position, end.Position); } }
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internal Dictionary<string, bool> Flags { get { return flags; } }
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public int Action { get { return action; } set { BeforePropsChange(); action = value; UpdateColorPreset(); } }
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public int Activate { get { return activate; } set { BeforePropsChange(); activate = value; UpdateColorPreset(); } }
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public int Tag { get { return tag; } set { BeforePropsChange(); tag = value; if((tag < General.Map.FormatInterface.MinTag) || (tag > General.Map.FormatInterface.MaxTag)) throw new ArgumentOutOfRangeException("Tag", "Invalid tag number"); } }
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public float LengthSq { get { return lengthsq; } }
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public float Length { get { return length; } }
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public float LengthInv { get { return lengthinv; } }
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public float Angle { get { return angle; } }
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public int AngleDeg { get { return (int)(angle * Angle2D.PIDEG); } }
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public RectangleF Rect { get { return rect; } }
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public int[] Args { get { return args; } }
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internal int SerializedIndex { get { return serializedindex; } set { serializedindex = value; } }
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internal bool FrontInterior { get { return frontinterior; } set { frontinterior = value; } }
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internal bool ImpassableFlag { get { return impassableflag; } }
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internal int ColorPresetIndex { get { return colorPresetIndex; } } //mxd
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internal bool ExtraFloorFlag; //mxd
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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internal Linedef(MapSet map, int listindex, Vertex start, Vertex end)
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{
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// Initialize
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this.map = map;
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this.listindex = listindex;
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this.updateneeded = true;
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this.args = new int[NUM_ARGS];
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this.flags = new Dictionary<string, bool>(StringComparer.Ordinal);
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this.colorPresetIndex = -1;//mxd
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// Attach to vertices
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this.start = start;
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this.startvertexlistitem = start.AttachLinedefP(this);
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this.end = end;
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this.endvertexlistitem = end.AttachLinedefP(this);
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecAddLinedef(this);
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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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public override void Dispose()
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{
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// Not already disposed?
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if(!isdisposed)
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{
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// Already set isdisposed so that changes can be prohibited
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isdisposed = true;
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// Dispose sidedefs
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if((front != null) && map.AutoRemove) front.Dispose(); else AttachFrontP(null);
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if((back != null) && map.AutoRemove) back.Dispose(); else AttachBackP(null);
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecRemLinedef(this);
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// Remove from main list
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map.RemoveLinedef(listindex);
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// Detach from vertices
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if(startvertexlistitem != null) start.DetachLinedefP(startvertexlistitem);
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startvertexlistitem = null;
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start = null;
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if(endvertexlistitem != null) end.DetachLinedefP(endvertexlistitem);
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endvertexlistitem = null;
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end = null;
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// Clean up
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start = null;
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end = null;
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front = null;
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back = null;
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map = null;
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// Clean up base
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base.Dispose();
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}
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}
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#endregion
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#region ================== Management
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// Call this before changing properties
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protected override void BeforePropsChange()
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{
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecPrpLinedef(this);
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}
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// Serialize / deserialize (passive: doesn't record)
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new internal void ReadWrite(IReadWriteStream s)
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{
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if(!s.IsWriting)
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{
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BeforePropsChange();
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updateneeded = true;
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}
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base.ReadWrite(s);
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if(s.IsWriting)
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{
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s.wInt(flags.Count);
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foreach(KeyValuePair<string, bool> f in flags)
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{
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s.wString(f.Key);
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s.wBool(f.Value);
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}
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}
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else
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{
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int c; s.rInt(out c);
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flags = new Dictionary<string, bool>(c, StringComparer.Ordinal);
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for(int i = 0; i < c; i++)
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{
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string t; s.rString(out t);
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bool b; s.rBool(out b);
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flags.Add(t, b);
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}
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}
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s.rwInt(ref action);
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s.rwInt(ref activate);
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s.rwInt(ref tag);
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for(int i = 0; i < NUM_ARGS; i++) s.rwInt(ref args[i]);
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//mxd
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if(!s.IsWriting)
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UpdateColorPreset();
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}
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// This sets new start vertex
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public void SetStartVertex(Vertex v)
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{
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecRefLinedefStart(this);
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// Change start
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if(startvertexlistitem != null) start.DetachLinedefP(startvertexlistitem);
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startvertexlistitem = null;
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start = v;
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if(start != null) startvertexlistitem = start.AttachLinedefP(this);
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this.updateneeded = true;
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}
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// This sets new end vertex
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public void SetEndVertex(Vertex v)
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{
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecRefLinedefEnd(this);
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// Change end
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if(endvertexlistitem != null) end.DetachLinedefP(endvertexlistitem);
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endvertexlistitem = null;
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end = v;
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if(end != null) endvertexlistitem = end.AttachLinedefP(this);
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this.updateneeded = true;
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}
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// This detaches a vertex
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internal void DetachVertexP(Vertex v)
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{
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if(v == start)
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{
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if(startvertexlistitem != null) start.DetachLinedefP(startvertexlistitem);
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startvertexlistitem = null;
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start = null;
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}
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else if(v == end)
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{
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if(endvertexlistitem != null) end.DetachLinedefP(endvertexlistitem);
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endvertexlistitem = null;
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end = null;
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}
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else
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throw new Exception("Specified Vertex is not attached to this Linedef.");
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}
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// This copies all properties to another line
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new public void CopyPropertiesTo(Linedef l)
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{
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l.BeforePropsChange();
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// Copy properties
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l.action = action;
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l.args = (int[])args.Clone();
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l.flags = new Dictionary<string, bool>(flags);
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l.tag = tag;
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l.updateneeded = true;
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l.activate = activate;
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l.impassableflag = impassableflag;
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l.UpdateColorPreset();//mxd
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base.CopyPropertiesTo(l);
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}
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// This attaches a sidedef on the front
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internal void AttachFront(Sidedef s)
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{
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecRefLinedefFront(this);
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// Attach and recalculate
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AttachFrontP(s);
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}
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// Passive version, does not record the change
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internal void AttachFrontP(Sidedef s)
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{
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// Attach and recalculate
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front = s;
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if(front != null) front.SetLinedefP(this);
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updateneeded = true;
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}
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// This attaches a sidedef on the back
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internal void AttachBack(Sidedef s)
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{
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if(map == General.Map.Map)
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General.Map.UndoRedo.RecRefLinedefBack(this);
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// Attach and recalculate
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AttachBackP(s);
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}
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// Passive version, does not record the change
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internal void AttachBackP(Sidedef s)
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{
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// Attach and recalculate
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back = s;
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if(back != null) back.SetLinedefP(this);
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updateneeded = true;
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}
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// This detaches a sidedef from the front
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internal void DetachSidedefP(Sidedef s)
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{
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// Sidedef is on the front?
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if(front == s)
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{
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// Remove sidedef reference
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if(front != null) front.SetLinedefP(null);
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front = null;
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updateneeded = true;
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}
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// Sidedef is on the back?
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else if(back == s)
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{
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// Remove sidedef reference
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if(back != null) back.SetLinedefP(null);
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back = null;
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updateneeded = true;
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}
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//else throw new Exception("Specified Sidedef is not attached to this Linedef.");
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}
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// This updates the line when changes have been made
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public void UpdateCache()
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{
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// Update if needed
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if(updateneeded)
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{
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// Delta vector
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Vector2D delta = end.Position - start.Position;
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// Recalculate values
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lengthsq = delta.GetLengthSq();
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length = (float)Math.Sqrt(lengthsq);
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if(length > 0f) lengthinv = 1f / length; else lengthinv = 1f / 0.0000000001f;
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if(lengthsq > 0f) lengthsqinv = 1f / lengthsq; else lengthsqinv = 1f / 0.0000000001f;
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angle = delta.GetAngle();
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float l = Math.Min(start.Position.x, end.Position.x);
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float t = Math.Min(start.Position.y, end.Position.y);
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float r = Math.Max(start.Position.x, end.Position.x);
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float b = Math.Max(start.Position.y, end.Position.y);
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rect = new RectangleF(l, t, r - l, b - t);
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// Cached flags
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impassableflag = IsFlagSet(General.Map.Config.ImpassableFlag);
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//mxd. Color preset
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UpdateColorPreset();
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// Updated
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updateneeded = false;
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}
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}
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// This flags the line needs an update because it moved
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public void NeedUpdate()
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{
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// Update this line
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updateneeded = true;
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// Update sectors as well
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if(front != null) front.Sector.UpdateNeeded = true;
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if(back != null) back.Sector.UpdateNeeded = true;
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}
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// This translates the flags and activations into UDMF fields
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internal void TranslateToUDMF()
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{
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// First make a single integer with all bits from activation and flags
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int bits = activate;
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int flagbit;
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foreach(KeyValuePair<string, bool> f in flags)
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if(int.TryParse(f.Key, out flagbit) && f.Value) bits |= flagbit;
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// Now make the new flags
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flags.Clear();
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//mxd. Add default activation flag if needed
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if(action != 0 && activate == 0 && !string.IsNullOrEmpty(General.Map.Config.DefaultLinedefActivationFlag))
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flags[General.Map.Config.DefaultLinedefActivationFlag] = true;
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foreach(FlagTranslation f in General.Map.Config.LinedefFlagsTranslation)
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{
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// Flag found in bits?
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if((bits & f.Flag) == f.Flag)
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{
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// Add fields and remove bits
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bits &= ~f.Flag;
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for(int i = 0; i < f.Fields.Count; i++)
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flags[f.Fields[i]] = f.FieldValues[i];
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}
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else
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{
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// Add fields with inverted value
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for(int i = 0; i < f.Fields.Count; i++) {
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if(!flags.ContainsKey(f.Fields[i])) //mxd
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flags[f.Fields[i]] = !f.FieldValues[i];
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}
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}
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}
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//mxd. Update cached flags
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impassableflag = IsFlagSet(General.Map.Config.ImpassableFlag);
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}
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// This translates UDMF fields back into the normal flags and activations
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internal void TranslateFromUDMF()
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{
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// Make copy of the flags
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Dictionary<string, bool> oldfields = new Dictionary<string, bool>(flags);
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// Make the flags
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flags.Clear();
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foreach(KeyValuePair<string, string> f in General.Map.Config.LinedefFlags)
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{
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// Flag must be numeric
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int flagbit;
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if(int.TryParse(f.Key, out flagbit))
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{
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foreach(FlagTranslation ft in General.Map.Config.LinedefFlagsTranslation)
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{
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if(ft.Flag == flagbit)
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{
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// Only set this flag when the fields match
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bool fieldsmatch = true;
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for(int i = 0; i < ft.Fields.Count; i++)
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{
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if(!oldfields.ContainsKey(ft.Fields[i]) || (oldfields[ft.Fields[i]] != ft.FieldValues[i]))
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{
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fieldsmatch = false;
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break;
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}
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}
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// Field match? Then add the flag.
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if(fieldsmatch)
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{
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flags.Add(f.Key, true);
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break;
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}
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}
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}
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}
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}
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// Make the activation
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foreach(LinedefActivateInfo a in General.Map.Config.LinedefActivates)
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{
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bool foundactivation = false;
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foreach(FlagTranslation ft in General.Map.Config.LinedefFlagsTranslation)
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{
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if(ft.Flag == a.Index)
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{
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// Only set this activation when the fields match
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bool fieldsmatch = true;
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for(int i = 0; i < ft.Fields.Count; i++)
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{
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if(!oldfields.ContainsKey(ft.Fields[i]) || (oldfields[ft.Fields[i]] != ft.FieldValues[i]))
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{
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fieldsmatch = false;
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break;
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}
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}
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// Field match? Then add the flag.
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if(fieldsmatch)
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{
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activate = a.Index;
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foundactivation = true;
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break;
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}
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}
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}
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if(foundactivation) break;
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}
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//mxd. Update cached flags
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impassableflag = IsFlagSet(General.Map.Config.ImpassableFlag);
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}
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// Selected
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protected override void DoSelect()
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{
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base.DoSelect();
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selecteditem = map.SelectedLinedefs.AddLast(this);
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}
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// Deselect
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protected override void DoUnselect()
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{
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base.DoUnselect();
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if(selecteditem.List != null) selecteditem.List.Remove(selecteditem);
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selecteditem = null;
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}
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#endregion
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#region ================== Methods
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// This checks and returns a flag without creating it
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public bool IsFlagSet(string flagname)
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{
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if(flags.ContainsKey(flagname)) return flags[flagname];
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return false;
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}
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// This sets a flag
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public void SetFlag(string flagname, bool value)
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{
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if(!flags.ContainsKey(flagname) || (IsFlagSet(flagname) != value))
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{
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BeforePropsChange();
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flags[flagname] = value;
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// Cached flags
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if(flagname == General.Map.Config.ImpassableFlag) impassableflag = value;
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//mxd
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UpdateColorPreset();
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}
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}
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// This returns a copy of the flags dictionary
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public Dictionary<string, bool> GetFlags()
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{
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|
return new Dictionary<string, bool>(flags);
|
|
}
|
|
|
|
// This clears all flags
|
|
public void ClearFlags()
|
|
{
|
|
BeforePropsChange();
|
|
flags.Clear();
|
|
impassableflag = false;
|
|
|
|
//mxd
|
|
UpdateColorPreset();
|
|
}
|
|
|
|
// This flips the linedef's vertex attachments
|
|
public void FlipVertices()
|
|
{
|
|
// make sure the start/end vertices are not automatically
|
|
// deleted if they do not belong to any other line
|
|
General.Map.Map.AutoRemove = false;
|
|
|
|
// Flip vertices
|
|
Vertex oldstart = start;
|
|
Vertex oldend = end;
|
|
SetStartVertex(oldend);
|
|
SetEndVertex(oldstart);
|
|
|
|
General.Map.Map.AutoRemove = true;
|
|
|
|
// For drawing, the interior now lies on the other side
|
|
frontinterior = !frontinterior;
|
|
|
|
// Update required (angle changed)
|
|
NeedUpdate();
|
|
General.Map.IsChanged = true;
|
|
}
|
|
|
|
// This flips the sidedefs
|
|
public void FlipSidedefs()
|
|
{
|
|
// Flip sidedefs
|
|
Sidedef oldfront = front;
|
|
Sidedef oldback = back;
|
|
AttachFront(oldback);
|
|
AttachBack(oldfront);
|
|
|
|
General.Map.IsChanged = true;
|
|
}
|
|
|
|
// This returns a point for testing on one side
|
|
public Vector2D GetSidePoint(bool front)
|
|
{
|
|
Vector2D n = new Vector2D();
|
|
n.x = (end.Position.x - start.Position.x) * lengthinv * SIDE_POINT_DISTANCE;
|
|
n.y = (end.Position.y - start.Position.y) * lengthinv * SIDE_POINT_DISTANCE;
|
|
|
|
if(front)
|
|
{
|
|
n.x = -n.x;
|
|
n.y = -n.y;
|
|
}
|
|
|
|
Vector2D p = new Vector2D();
|
|
p.x = start.Position.x + (end.Position.x - start.Position.x) * 0.5f - n.y;
|
|
p.y = start.Position.y + (end.Position.y - start.Position.y) * 0.5f + n.x;
|
|
|
|
return p;
|
|
}
|
|
|
|
// This returns a point in the middle of the line
|
|
public Vector2D GetCenterPoint()
|
|
{
|
|
return start.Position + (end.Position - start.Position) * 0.5f;
|
|
}
|
|
|
|
// This applies single/double sided flags
|
|
public void ApplySidedFlags()
|
|
{
|
|
// Doublesided?
|
|
if((front != null) && (back != null))
|
|
{
|
|
// Apply or remove flags for doublesided line
|
|
SetFlag(General.Map.Config.SingleSidedFlag, false);
|
|
SetFlag(General.Map.Config.DoubleSidedFlag, true);
|
|
}
|
|
else
|
|
{
|
|
// Apply or remove flags for singlesided line
|
|
SetFlag(General.Map.Config.SingleSidedFlag, true);
|
|
SetFlag(General.Map.Config.DoubleSidedFlag, false);
|
|
}
|
|
|
|
General.Map.IsChanged = true;
|
|
}
|
|
|
|
// This returns all points at which the line intersects with the grid
|
|
public List<Vector2D> GetGridIntersections()
|
|
{
|
|
return GetGridIntersections(new Vector2D());
|
|
}
|
|
|
|
// This returns all points at which the line intersects with the grid
|
|
public List<Vector2D> GetGridIntersections(Vector2D gridoffset)
|
|
{
|
|
List<Vector2D> coords = new List<Vector2D>();
|
|
Vector2D v = new Vector2D();
|
|
float gx, gy, minx, maxx, miny, maxy;
|
|
bool reversex, reversey;
|
|
|
|
if(start.Position.x > end.Position.x)
|
|
{
|
|
minx = end.Position.x;
|
|
maxx = start.Position.x;
|
|
reversex = true;
|
|
}
|
|
else
|
|
{
|
|
minx = start.Position.x;
|
|
maxx = end.Position.x;
|
|
reversex = false;
|
|
}
|
|
|
|
if(start.Position.y > end.Position.y)
|
|
{
|
|
miny = end.Position.y;
|
|
maxy = start.Position.y;
|
|
reversey = true;
|
|
}
|
|
else
|
|
{
|
|
miny = start.Position.y;
|
|
maxy = end.Position.y;
|
|
reversey = false;
|
|
}
|
|
|
|
// Go for all vertical grid lines in between line start and end
|
|
gx = General.Map.Grid.GetHigher(minx) + gridoffset.x;
|
|
if(gx < maxx)
|
|
{
|
|
for(; gx < maxx; gx += General.Map.Grid.GridSizeF)
|
|
{
|
|
// Add intersection point at this x coordinate
|
|
float u = (gx - minx) / (maxx - minx);
|
|
if(reversex) u = 1.0f - u;
|
|
v.x = gx;
|
|
v.y = start.Position.y + (end.Position.y - start.Position.y) * u;
|
|
coords.Add(v);
|
|
}
|
|
}
|
|
|
|
// Go for all horizontal grid lines in between line start and end
|
|
gy = General.Map.Grid.GetHigher(miny) + gridoffset.y;
|
|
if(gy < maxy)
|
|
{
|
|
for(; gy < maxy; gy += General.Map.Grid.GridSizeF)
|
|
{
|
|
// Add intersection point at this y coordinate
|
|
float u = (gy - miny) / (maxy - miny);
|
|
if(reversey) u = 1.0f - u;
|
|
v.x = start.Position.x + (end.Position.x - start.Position.x) * u;
|
|
v.y = gy;
|
|
coords.Add(v);
|
|
}
|
|
}
|
|
|
|
// Profit
|
|
return coords;
|
|
}
|
|
|
|
// This returns the closest coordinates ON the line
|
|
public Vector2D NearestOnLine(Vector2D pos)
|
|
{
|
|
float u = Line2D.GetNearestOnLine(start.Position, end.Position, pos);
|
|
if(u < 0f) u = 0f; else if(u > 1f) u = 1f;
|
|
return Line2D.GetCoordinatesAt(start.Position, end.Position, u);
|
|
}
|
|
|
|
// This returns the shortest distance from given coordinates to line
|
|
public float SafeDistanceToSq(Vector2D p, bool bounded)
|
|
{
|
|
Vector2D v1 = start.Position;
|
|
Vector2D v2 = end.Position;
|
|
|
|
// Calculate intersection offset
|
|
float u = ((p.x - v1.x) * (v2.x - v1.x) + (p.y - v1.y) * (v2.y - v1.y)) * lengthsqinv;
|
|
|
|
// Limit intersection offset to the line
|
|
if(bounded) if(u < lengthinv) u = lengthinv; else if(u > (1f - lengthinv)) u = 1f - lengthinv;
|
|
|
|
// Calculate intersection point
|
|
Vector2D i = v1 + u * (v2 - v1);
|
|
|
|
// Return distance between intersection and point
|
|
// which is the shortest distance to the line
|
|
float ldx = p.x - i.x;
|
|
float ldy = p.y - i.y;
|
|
return ldx * ldx + ldy * ldy;
|
|
}
|
|
|
|
// This returns the shortest distance from given coordinates to line
|
|
public float SafeDistanceTo(Vector2D p, bool bounded)
|
|
{
|
|
return (float)Math.Sqrt(SafeDistanceToSq(p, bounded));
|
|
}
|
|
|
|
// This returns the shortest distance from given coordinates to line
|
|
public float DistanceToSq(Vector2D p, bool bounded)
|
|
{
|
|
Vector2D v1 = start.Position;
|
|
Vector2D v2 = end.Position;
|
|
|
|
// Calculate intersection offset
|
|
float u = ((p.x - v1.x) * (v2.x - v1.x) + (p.y - v1.y) * (v2.y - v1.y)) * lengthsqinv;
|
|
|
|
// Limit intersection offset to the line
|
|
if(bounded) if(u < 0f) u = 0f; else if(u > 1f) u = 1f;
|
|
|
|
// Calculate intersection point
|
|
Vector2D i = v1 + u * (v2 - v1);
|
|
|
|
// Return distance between intersection and point
|
|
// which is the shortest distance to the line
|
|
float ldx = p.x - i.x;
|
|
float ldy = p.y - i.y;
|
|
return ldx * ldx + ldy * ldy;
|
|
}
|
|
|
|
// This returns the shortest distance from given coordinates to line
|
|
public float DistanceTo(Vector2D p, bool bounded)
|
|
{
|
|
return (float)Math.Sqrt(DistanceToSq(p, bounded));
|
|
}
|
|
|
|
// This tests on which side of the line the given coordinates are
|
|
// returns < 0 for front (right) side, > 0 for back (left) side and 0 if on the line
|
|
public float SideOfLine(Vector2D p)
|
|
{
|
|
Vector2D v1 = start.Position;
|
|
Vector2D v2 = end.Position;
|
|
|
|
// Calculate and return side information
|
|
return (p.y - v1.y) * (v2.x - v1.x) - (p.x - v1.x) * (v2.y - v1.y);
|
|
}
|
|
|
|
// This splits this line by vertex v
|
|
// Returns the new line resulting from the split, or null when it failed
|
|
public Linedef Split(Vertex v)
|
|
{
|
|
Sidedef nsd;
|
|
|
|
// Copy linedef and change vertices
|
|
Linedef nl = map.CreateLinedef(v, end);
|
|
if(nl == null) return null;
|
|
CopyPropertiesTo(nl);
|
|
SetEndVertex(v);
|
|
nl.Selected = this.Selected;
|
|
nl.marked = this.marked;
|
|
nl.ExtraFloorFlag = this.ExtraFloorFlag; //mxd
|
|
|
|
// Copy front sidedef if exists
|
|
if(front != null)
|
|
{
|
|
nsd = map.CreateSidedef(nl, true, front.Sector);
|
|
if(nsd == null) return null;
|
|
front.CopyPropertiesTo(nsd);
|
|
nsd.Marked = front.Marked;
|
|
}
|
|
|
|
// Copy back sidedef if exists
|
|
if(back != null)
|
|
{
|
|
nsd = map.CreateSidedef(nl, false, back.Sector);
|
|
if(nsd == null) return null;
|
|
back.CopyPropertiesTo(nsd);
|
|
nsd.Marked = back.Marked;
|
|
}
|
|
|
|
//mxd
|
|
AdjustSplitCoordinates(this, nl, General.Settings.SplitLineBehavior);
|
|
|
|
// Return result
|
|
General.Map.IsChanged = true;
|
|
return nl;
|
|
}
|
|
|
|
// This joins the line with another line
|
|
// This line will be disposed
|
|
// Returns false when the operation could not be completed
|
|
public bool Join(Linedef other)
|
|
{
|
|
// Check which lines were 2 sided
|
|
bool l1was2s = ((other.Front != null) && (other.Back != null));
|
|
bool l2was2s = ((this.Front != null) && (this.Back != null));
|
|
|
|
// Get sector references
|
|
Sector l1fs = other.front != null ? other.front.Sector : null;
|
|
Sector l1bs = other.back != null ? other.back.Sector : null;
|
|
Sector l2fs = this.front != null ? this.front.Sector : null;
|
|
Sector l2bs = this.back != null ? this.back.Sector : null;
|
|
|
|
// This line has no sidedefs?
|
|
if((l2fs == null) && (l2bs == null))
|
|
{
|
|
// We have no sidedefs, so we have no influence
|
|
// Nothing to change on the other line
|
|
}
|
|
// Other line has no sidedefs?
|
|
else if((l1fs == null) && (l1bs == null))
|
|
{
|
|
// The other has no sidedefs, so it has no influence
|
|
// Copy my sidedefs to the other
|
|
if(this.Start == other.Start)
|
|
{
|
|
if(!JoinChangeSidedefs(other, true, front)) return false;
|
|
if(!JoinChangeSidedefs(other, false, back)) return false;
|
|
}
|
|
else
|
|
{
|
|
if(!JoinChangeSidedefs(other, false, front)) return false;
|
|
if(!JoinChangeSidedefs(other, true, back)) return false;
|
|
}
|
|
|
|
// Copy my properties to the other
|
|
this.CopyPropertiesTo(other);
|
|
}
|
|
else
|
|
{
|
|
// Compare front sectors
|
|
if((l1fs != null) && (l1fs == l2fs))
|
|
{
|
|
// Copy textures
|
|
if(other.front != null) other.front.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.back);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, true, back)) return false;
|
|
}
|
|
// Compare back sectors
|
|
else if((l1bs != null) && (l1bs == l2bs))
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, front)) return false;
|
|
}
|
|
// Compare front and back
|
|
else if((l1fs != null) && (l1fs == l2bs))
|
|
{
|
|
// Copy textures
|
|
if(other.front != null) other.front.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.back);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, true, front)) return false;
|
|
}
|
|
// Compare back and front
|
|
else if((l1bs != null) && (l1bs == l2fs))
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, back)) return false;
|
|
}
|
|
else
|
|
{
|
|
// Other line single sided?
|
|
if(other.back == null)
|
|
{
|
|
// This line with its back to the other?
|
|
if(this.start == other.end)
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, front)) return false;
|
|
}
|
|
else
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, back)) return false;
|
|
}
|
|
}
|
|
// This line single sided?
|
|
else if(this.back == null)
|
|
{
|
|
// Other line with its back to this?
|
|
if(other.start == this.end)
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, front)) return false;
|
|
}
|
|
else
|
|
{
|
|
// Copy textures
|
|
if(other.front != null) other.front.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.back);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, true, front)) return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// This line with its back to the other?
|
|
if(this.start == other.end)
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, front)) return false;
|
|
}
|
|
else
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
if(!JoinChangeSidedefs(other, false, back)) return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Apply single/double sided flags if the double-sided-ness changed
|
|
if( (!l1was2s && ((other.Front != null) && (other.Back != null))) ||
|
|
(l1was2s && ((other.Front == null) || (other.Back == null))) )
|
|
other.ApplySidedFlags();
|
|
|
|
// Remove unneeded textures
|
|
if(other.front != null) other.front.RemoveUnneededTextures(!(l1was2s && l2was2s));
|
|
if(other.back != null) other.back.RemoveUnneededTextures(!(l1was2s && l2was2s));
|
|
}
|
|
|
|
// If either of the two lines was selected, keep the other selected
|
|
if(this.Selected) other.Selected = true;
|
|
if(this.marked) other.marked = true;
|
|
|
|
// I got killed by the other.
|
|
this.Dispose();
|
|
General.Map.IsChanged = true;
|
|
return true;
|
|
}
|
|
|
|
// This changes sidedefs (used for joining lines)
|
|
// target: The linedef on which to remove or create a new sidedef
|
|
// front: Side on which to remove or create the sidedef (true for front side)
|
|
// newside: The side from which to copy the properties to the new sidedef.
|
|
// If this is null, no sidedef will be created (only removed)
|
|
// Returns false when the operation could not be completed.
|
|
private bool JoinChangeSidedefs(Linedef target, bool front, Sidedef newside)
|
|
{
|
|
Sidedef sd;
|
|
|
|
// Change sidedefs
|
|
if(front)
|
|
{
|
|
if(target.front != null) target.front.Dispose();
|
|
}
|
|
else
|
|
{
|
|
if(target.back != null) target.back.Dispose();
|
|
}
|
|
|
|
if(newside != null)
|
|
{
|
|
sd = map.CreateSidedef(target, front, newside.Sector);
|
|
if(sd == null) return false;
|
|
newside.CopyPropertiesTo(sd);
|
|
sd.Marked = newside.Marked;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//mxd
|
|
internal void UpdateColorPreset() {
|
|
for(int i = 0; i < General.Map.ConfigSettings.LinedefColorPresets.Length; i++) {
|
|
if(General.Map.ConfigSettings.LinedefColorPresets[i].Matches(this)) {
|
|
colorPresetIndex = i;
|
|
return;
|
|
}
|
|
}
|
|
colorPresetIndex = -1;
|
|
}
|
|
|
|
// String representation
|
|
public override string ToString()
|
|
{
|
|
return "Linedef " + listindex;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Changes
|
|
|
|
// This updates all properties
|
|
public void Update(Dictionary<string, bool> flags, int activate, int tag, int action, int[] args)
|
|
{
|
|
BeforePropsChange();
|
|
|
|
// Apply changes
|
|
this.flags = new Dictionary<string, bool>(flags);
|
|
this.tag = tag;
|
|
this.activate = activate;
|
|
this.action = action;
|
|
this.args = new int[NUM_ARGS];
|
|
args.CopyTo(this.args, 0);
|
|
this.updateneeded = true;
|
|
}
|
|
|
|
// mxd. Moved here from BuilderModes.BuilderPlug
|
|
// This adjusts texture coordinates for splitted lines according to the user preferences
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private static void AdjustSplitCoordinates(Linedef oldline, Linedef newline, SplitLineBehavior splitlinebehavior) {
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switch(splitlinebehavior) {
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case SplitLineBehavior.Interpolate:
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//Make texture offset adjustments
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if(oldline.back != null) {
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if((oldline.back.MiddleRequired() && oldline.back.LongMiddleTexture != MapSet.EmptyLongName) || oldline.back.HighRequired() || oldline.back.LowRequired()) {
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int distance = (int)Vector2D.Distance(newline.start.Position, newline.end.Position);
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if (General.Map.UDMF) {
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if(distance != 0) oldline.back.SetUdmfTextureOffsetX(distance);
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} else {
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oldline.back.OffsetX += distance;
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}
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}
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}
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if(newline.front != null && ((newline.front.MiddleRequired() || newline.front.LongMiddleTexture != MapSet.EmptyLongName) || newline.front.HighRequired() || newline.front.LowRequired())) {
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int distance = (int)Vector2D.Distance(oldline.start.Position, oldline.end.Position);
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if(General.Map.UDMF) {
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if(distance != 0) newline.front.SetUdmfTextureOffsetX(distance);
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} else {
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newline.front.OffsetX += distance;
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}
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}
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//Clamp texture coordinates
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if((oldline.front != null) && (newline.front != null)) {
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//get texture
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ImageData texture = null;
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if(newline.front.MiddleRequired() && newline.front.LongMiddleTexture != MapSet.EmptyLongName && General.Map.Data.GetTextureExists(newline.front.LongMiddleTexture)) {
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texture = General.Map.Data.GetTextureImage(newline.front.MiddleTexture);
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} else if(newline.front.HighRequired() && newline.front.LongHighTexture != MapSet.EmptyLongName && General.Map.Data.GetTextureExists(newline.front.LongHighTexture)) {
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texture = General.Map.Data.GetTextureImage(newline.front.HighTexture);
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} else if(newline.front.LowRequired() && newline.front.LongLowTexture != MapSet.EmptyLongName && General.Map.Data.GetTextureExists(newline.front.LongLowTexture)) {
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texture = General.Map.Data.GetTextureImage(newline.front.LowTexture);
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}
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//clamp offsetX
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if(texture != null) newline.front.OffsetX %= texture.Width;
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}
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if((oldline.back != null) && (newline.back != null)) {
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//get texture
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ImageData texture = null;
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if(newline.back.MiddleRequired() && newline.back.LongMiddleTexture != MapSet.EmptyLongName && General.Map.Data.GetTextureExists(newline.back.LongMiddleTexture)) {
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texture = General.Map.Data.GetTextureImage(newline.back.MiddleTexture);
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} else if(newline.back.HighRequired() && newline.back.LongHighTexture != MapSet.EmptyLongName && General.Map.Data.GetTextureExists(newline.back.LongHighTexture)) {
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texture = General.Map.Data.GetTextureImage(newline.back.HighTexture);
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} else if(newline.back.LowRequired() && newline.back.LongLowTexture != MapSet.EmptyLongName && General.Map.Data.GetTextureExists(newline.back.LongLowTexture)) {
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texture = General.Map.Data.GetTextureImage(newline.back.LowTexture);
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}
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//clamp offsetX
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if(texture != null) newline.back.OffsetX %= texture.Width;
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}
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break;
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case SplitLineBehavior.CopyXY:
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if((oldline.front != null) && (newline.front != null)) {
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newline.front.OffsetX = oldline.front.OffsetX;
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newline.front.OffsetY = oldline.front.OffsetY;
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//mxd. Copy UDMF offsets as well
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if(General.Map.UDMF) {
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_top", oldline.front.Fields.GetValue("offsetx_top", 0f));
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_mid", oldline.front.Fields.GetValue("offsetx_mid", 0f));
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_bottom", oldline.front.Fields.GetValue("offsetx_bottom", 0f));
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UDMFTools.SetFloat(newline.front.Fields, "offsety_top", oldline.front.Fields.GetValue("offsety_top", 0f));
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UDMFTools.SetFloat(newline.front.Fields, "offsety_mid", oldline.front.Fields.GetValue("offsety_mid", 0f));
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UDMFTools.SetFloat(newline.front.Fields, "offsety_bottom", oldline.front.Fields.GetValue("offsety_bottom", 0f));
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}
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}
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if((oldline.back != null) && (newline.back != null)) {
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newline.back.OffsetX = oldline.back.OffsetX;
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newline.back.OffsetY = oldline.back.OffsetY;
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//mxd. Copy UDMF offsets as well
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if(General.Map.UDMF) {
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_top", oldline.back.Fields.GetValue("offsetx_top", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_mid", oldline.back.Fields.GetValue("offsetx_mid", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_bottom", oldline.back.Fields.GetValue("offsetx_bottom", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsety_top", oldline.back.Fields.GetValue("offsety_top", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsety_mid", oldline.back.Fields.GetValue("offsety_mid", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsety_bottom", oldline.back.Fields.GetValue("offsety_bottom", 0f));
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}
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}
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break;
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case SplitLineBehavior.ResetXCopyY:
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if((oldline.front != null) && (newline.front != null)) {
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newline.front.OffsetX = 0;
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newline.front.OffsetY = oldline.front.OffsetY;
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//mxd. Reset UDMF X offset as well
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if(General.Map.UDMF) {
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_top", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_mid", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_bottom", 0f);
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}
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}
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if((oldline.back != null) && (newline.back != null)) {
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newline.back.OffsetX = 0;
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newline.back.OffsetY = oldline.back.OffsetY;
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//mxd. Reset UDMF X offset and copy Y offset as well
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if(General.Map.UDMF) {
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_top", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_mid", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_bottom", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsety_top", oldline.back.Fields.GetValue("offsety_top", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsety_mid", oldline.back.Fields.GetValue("offsety_mid", 0f));
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UDMFTools.SetFloat(newline.back.Fields, "offsety_bottom", oldline.back.Fields.GetValue("offsety_bottom", 0f));
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}
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}
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break;
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case SplitLineBehavior.ResetXY:
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if(newline.front != null) {
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newline.front.OffsetX = 0;
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newline.front.OffsetY = 0;
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if(General.Map.UDMF) {
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_top", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_mid", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsetx_bottom", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsety_top", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsety_mid", 0f);
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UDMFTools.SetFloat(newline.front.Fields, "offsety_bottom", 0f);
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}
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}
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if(newline.back != null) {
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newline.back.OffsetX = 0;
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newline.back.OffsetY = 0;
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if(General.Map.UDMF) {
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_top", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_mid", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsetx_bottom", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsety_top", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsety_mid", 0f);
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UDMFTools.SetFloat(newline.back.Fields, "offsety_bottom", 0f);
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}
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}
|
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break;
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}
|
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}
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#endregion
|
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}
|
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}
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