mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-12-11 21:01:22 +00:00
961 lines
26 KiB
C#
961 lines
26 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.Config;
|
|
using CodeImp.DoomBuilder.Geometry;
|
|
using CodeImp.DoomBuilder.Rendering;
|
|
using SlimDX.Direct3D9;
|
|
using System.Drawing;
|
|
using CodeImp.DoomBuilder.IO;
|
|
|
|
#endregion
|
|
|
|
namespace CodeImp.DoomBuilder.Map
|
|
{
|
|
public sealed class Linedef : SelectableElement
|
|
{
|
|
#region ================== Constants
|
|
|
|
public const float SIDE_POINT_DISTANCE = 0.001f;
|
|
public const int NUM_ARGS = 5;
|
|
|
|
#endregion
|
|
|
|
#region ================== Variables
|
|
|
|
// Map
|
|
private MapSet map;
|
|
|
|
// List items
|
|
private LinkedListNode<Linedef> mainlistitem;
|
|
private LinkedListNode<Linedef> startvertexlistitem;
|
|
private LinkedListNode<Linedef> endvertexlistitem;
|
|
private LinkedListNode<Linedef> selecteditem;
|
|
|
|
// Vertices
|
|
private Vertex start;
|
|
private Vertex end;
|
|
|
|
// Sidedefs
|
|
private Sidedef front;
|
|
private Sidedef back;
|
|
|
|
// Cache
|
|
private bool updateneeded;
|
|
private float lengthsq;
|
|
private float lengthsqinv;
|
|
private float length;
|
|
private float lengthinv;
|
|
private float angle;
|
|
private RectangleF rect;
|
|
|
|
// Properties
|
|
private Dictionary<string, bool> flags;
|
|
private int action;
|
|
private int activate;
|
|
private int tag;
|
|
private int[] args;
|
|
|
|
// Clone
|
|
private int serializedindex;
|
|
|
|
#endregion
|
|
|
|
#region ================== Properties
|
|
|
|
public MapSet Map { get { return map; } }
|
|
public Vertex Start { get { return start; } }
|
|
public Vertex End { get { return end; } }
|
|
public Sidedef Front { get { return front; } }
|
|
public Sidedef Back { get { return back; } }
|
|
public Line2D Line { get { return new Line2D(start.Position, end.Position); } }
|
|
public Dictionary<string, bool> Flags { get { return flags; } }
|
|
public int Action { get { return action; } set { action = value; } }
|
|
public int Activate { get { return activate; } set { activate = value; } }
|
|
public int Tag { get { return tag; } set { tag = value; if((tag < General.Map.FormatInterface.MinTag) || (tag > General.Map.FormatInterface.MaxTag)) throw new ArgumentOutOfRangeException("Tag", "Invalid tag number"); } }
|
|
public float LengthSq { get { return lengthsq; } }
|
|
public float Length { get { return length; } }
|
|
public float LengthInv { get { return lengthinv; } }
|
|
public float Angle { get { return angle; } }
|
|
public int AngleDeg { get { return (int)(angle * Angle2D.PIDEG); } }
|
|
public RectangleF Rect { get { return rect; } }
|
|
public int[] Args { get { return args; } }
|
|
internal int SerializedIndex { get { return serializedindex; } set { serializedindex = value; } }
|
|
|
|
#endregion
|
|
|
|
#region ================== Constructor / Disposer
|
|
|
|
// Constructor
|
|
internal Linedef(MapSet map, LinkedListNode<Linedef> listitem, Vertex start, Vertex end)
|
|
{
|
|
// Initialize
|
|
this.map = map;
|
|
this.mainlistitem = listitem;
|
|
this.start = start;
|
|
this.end = end;
|
|
this.updateneeded = true;
|
|
this.args = new int[NUM_ARGS];
|
|
this.flags = new Dictionary<string, bool>();
|
|
|
|
// Attach to vertices
|
|
startvertexlistitem = start.AttachLinedef(this);
|
|
endvertexlistitem = end.AttachLinedef(this);
|
|
|
|
// We have no destructor
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
// Constructor
|
|
internal Linedef(MapSet map, LinkedListNode<Linedef> listitem, Vertex start, Vertex end, IReadWriteStream stream)
|
|
{
|
|
// Initialize
|
|
this.map = map;
|
|
this.mainlistitem = listitem;
|
|
this.start = start;
|
|
this.end = end;
|
|
this.updateneeded = true;
|
|
this.args = new int[NUM_ARGS];
|
|
|
|
// Attach to vertices
|
|
startvertexlistitem = start.AttachLinedef(this);
|
|
endvertexlistitem = end.AttachLinedef(this);
|
|
|
|
ReadWrite(stream);
|
|
|
|
// We have no destructor
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
// Disposer
|
|
public override void Dispose()
|
|
{
|
|
// Not already disposed?
|
|
if(!isdisposed)
|
|
{
|
|
// Already set isdisposed so that changes can be prohibited
|
|
isdisposed = true;
|
|
|
|
// Remove from main list
|
|
mainlistitem.List.Remove(mainlistitem);
|
|
|
|
// Detach from vertices
|
|
start.DetachLinedef(startvertexlistitem);
|
|
end.DetachLinedef(endvertexlistitem);
|
|
startvertexlistitem = null;
|
|
endvertexlistitem = null;
|
|
|
|
// Dispose sidedefs
|
|
if(front != null) front.Dispose();
|
|
if(back != null) back.Dispose();
|
|
|
|
// Clean up
|
|
mainlistitem = null;
|
|
start = null;
|
|
end = null;
|
|
front = null;
|
|
back = null;
|
|
map = null;
|
|
|
|
// Clean up base
|
|
base.Dispose();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Management
|
|
|
|
// Serialize / deserialize
|
|
internal void ReadWrite(IReadWriteStream s)
|
|
{
|
|
base.ReadWrite(s);
|
|
|
|
if(s.IsWriting)
|
|
{
|
|
s.wInt(flags.Count);
|
|
|
|
foreach(KeyValuePair<string, bool> f in flags)
|
|
{
|
|
s.wString(f.Key);
|
|
s.wBool(f.Value);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int c; s.rInt(out c);
|
|
|
|
flags = new Dictionary<string, bool>(c);
|
|
for(int i = 0; i < c; i++)
|
|
{
|
|
string t; s.rString(out t);
|
|
bool b; s.rBool(out b);
|
|
flags.Add(t, b);
|
|
}
|
|
}
|
|
|
|
s.rwInt(ref action);
|
|
s.rwInt(ref activate);
|
|
s.rwInt(ref tag);
|
|
for(int i = 0; i < NUM_ARGS; i++) s.rwInt(ref args[i]);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the index of this linedef. This is a O(n) operation.
|
|
/// </summary>
|
|
public int GetIndex()
|
|
{
|
|
return map.GetIndexForLinedef(this);
|
|
}
|
|
|
|
// This sets new start vertex
|
|
public void SetStartVertex(Vertex v)
|
|
{
|
|
// Change start
|
|
if(startvertexlistitem != null) start.DetachLinedef(startvertexlistitem);
|
|
startvertexlistitem = null;
|
|
start = v;
|
|
startvertexlistitem = start.AttachLinedef(this);
|
|
this.updateneeded = true;
|
|
}
|
|
|
|
// This sets new end vertex
|
|
public void SetEndVertex(Vertex v)
|
|
{
|
|
// Change end
|
|
if(endvertexlistitem != null) end.DetachLinedef(endvertexlistitem);
|
|
endvertexlistitem = null;
|
|
end = v;
|
|
endvertexlistitem = end.AttachLinedef(this);
|
|
this.updateneeded = true;
|
|
}
|
|
|
|
// This copies all properties to another line
|
|
new public void CopyPropertiesTo(Linedef l)
|
|
{
|
|
// Copy properties
|
|
l.action = action;
|
|
l.args = (int[])args.Clone();
|
|
l.flags = new Dictionary<string, bool>(flags);
|
|
l.tag = tag;
|
|
l.updateneeded = true;
|
|
l.activate = activate;
|
|
base.CopyPropertiesTo(l);
|
|
}
|
|
|
|
// This attaches a sidedef on the front
|
|
public void AttachFront(Sidedef s)
|
|
{
|
|
// No sidedef here yet?
|
|
if(front == null)
|
|
{
|
|
// Attach and recalculate
|
|
front = s;
|
|
updateneeded = true;
|
|
}
|
|
else throw new Exception("Linedef already has a front Sidedef.");
|
|
}
|
|
|
|
// This attaches a sidedef on the back
|
|
public void AttachBack(Sidedef s)
|
|
{
|
|
// No sidedef here yet?
|
|
if(back == null)
|
|
{
|
|
// Attach and recalculate
|
|
back = s;
|
|
updateneeded = true;
|
|
}
|
|
else throw new Exception("Linedef already has a back Sidedef.");
|
|
}
|
|
|
|
// This detaches a sidedef from the front
|
|
public void DetachSidedef(Sidedef s)
|
|
{
|
|
// Sidedef is on the front?
|
|
if(front == s)
|
|
{
|
|
// Remove sidedef reference
|
|
front = null;
|
|
updateneeded = true;
|
|
}
|
|
// Sidedef is on the back?
|
|
else if(back == s)
|
|
{
|
|
// Remove sidedef reference
|
|
back = null;
|
|
updateneeded = true;
|
|
}
|
|
else throw new Exception("Specified Sidedef is not attached to this Linedef.");
|
|
}
|
|
|
|
// This updates the line when changes have been made
|
|
public void UpdateCache()
|
|
{
|
|
// Update if needed
|
|
if(updateneeded)
|
|
{
|
|
// Delta vector
|
|
Vector2D delta = end.Position - start.Position;
|
|
|
|
// Recalculate values
|
|
lengthsq = delta.GetLengthSq();
|
|
length = (float)Math.Sqrt(lengthsq);
|
|
if(length > 0f) lengthinv = 1f / length; else lengthinv = 1f / 0.0000000001f;
|
|
if(lengthsq > 0f) lengthsqinv = 1f / lengthsq; else lengthsqinv = 1f / 0.0000000001f;
|
|
angle = delta.GetAngle();
|
|
float l = Math.Min(start.Position.x, end.Position.x);
|
|
float t = Math.Min(start.Position.y, end.Position.y);
|
|
float r = Math.Max(start.Position.x, end.Position.x);
|
|
float b = Math.Max(start.Position.y, end.Position.y);
|
|
rect = new RectangleF(l, t, r - l, b - t);
|
|
|
|
// Updated
|
|
updateneeded = false;
|
|
}
|
|
}
|
|
|
|
// This flags the line needs an update because it moved
|
|
public void NeedUpdate()
|
|
{
|
|
// Update this line
|
|
updateneeded = true;
|
|
|
|
// Update sectors as well
|
|
if(front != null) front.Sector.UpdateNeeded = true;
|
|
if(back != null) back.Sector.UpdateNeeded = true;
|
|
}
|
|
|
|
// This translates the flags and activations into UDMF fields
|
|
internal void TranslateToUDMF()
|
|
{
|
|
// First make a single integer with all bits from activation and flags
|
|
int bits = activate;
|
|
int flagbit = 0;
|
|
foreach(KeyValuePair<string, bool> f in flags)
|
|
if(int.TryParse(f.Key, out flagbit) && f.Value) bits |= flagbit;
|
|
|
|
// Now make the new flags
|
|
flags.Clear();
|
|
foreach(FlagTranslation f in General.Map.Config.LinedefFlagsTranslation)
|
|
{
|
|
// Flag found in bits?
|
|
if((bits & f.Flag) == f.Flag)
|
|
{
|
|
// Add fields and remove bits
|
|
bits &= ~f.Flag;
|
|
for(int i = 0; i < f.Fields.Count; i++)
|
|
flags[f.Fields[i]] = f.FieldValues[i];
|
|
}
|
|
else
|
|
{
|
|
// Add fields with inverted value
|
|
for(int i = 0; i < f.Fields.Count; i++)
|
|
flags[f.Fields[i]] = !f.FieldValues[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
// This translates UDMF fields back into the normal flags and activations
|
|
internal void TranslateFromUDMF()
|
|
{
|
|
// Make copy of the flags
|
|
Dictionary<string, bool> oldfields = new Dictionary<string, bool>(flags);
|
|
|
|
// Make the flags
|
|
flags.Clear();
|
|
foreach(KeyValuePair<string, string> f in General.Map.Config.LinedefFlags)
|
|
{
|
|
// Flag must be numeric
|
|
int flagbit = 0;
|
|
if(int.TryParse(f.Key, out flagbit))
|
|
{
|
|
foreach(FlagTranslation ft in General.Map.Config.LinedefFlagsTranslation)
|
|
{
|
|
if(ft.Flag == flagbit)
|
|
{
|
|
// Only set this flag when the fields match
|
|
bool fieldsmatch = true;
|
|
for(int i = 0; i < ft.Fields.Count; i++)
|
|
{
|
|
if(!oldfields.ContainsKey(ft.Fields[i]) || (oldfields[ft.Fields[i]] != ft.FieldValues[i]))
|
|
{
|
|
fieldsmatch = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Field match? Then add the flag.
|
|
if(fieldsmatch)
|
|
{
|
|
flags.Add(f.Key, true);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make the activation
|
|
foreach(LinedefActivateInfo a in General.Map.Config.LinedefActivates)
|
|
{
|
|
bool foundactivation = false;
|
|
foreach(FlagTranslation ft in General.Map.Config.LinedefFlagsTranslation)
|
|
{
|
|
if(ft.Flag == a.Index)
|
|
{
|
|
// Only set this activation when the fields match
|
|
bool fieldsmatch = true;
|
|
for(int i = 0; i < ft.Fields.Count; i++)
|
|
{
|
|
if(!oldfields.ContainsKey(ft.Fields[i]) || (oldfields[ft.Fields[i]] != ft.FieldValues[i]))
|
|
{
|
|
fieldsmatch = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Field match? Then add the flag.
|
|
if(fieldsmatch)
|
|
{
|
|
activate = a.Index;
|
|
foundactivation = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(foundactivation) break;
|
|
}
|
|
}
|
|
|
|
// Selected
|
|
protected override void DoSelect()
|
|
{
|
|
base.DoSelect();
|
|
selecteditem = map.SelectedLinedefs.AddLast(this);
|
|
}
|
|
|
|
// Deselect
|
|
protected override void DoUnselect()
|
|
{
|
|
base.DoUnselect();
|
|
if(selecteditem.List != null) selecteditem.List.Remove(selecteditem);
|
|
selecteditem = null;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Methods
|
|
|
|
// This checks and returns a flag without creating it
|
|
public bool IsFlagSet(string flagname)
|
|
{
|
|
if(flags.ContainsKey(flagname))
|
|
return flags[flagname];
|
|
else
|
|
return false;
|
|
}
|
|
|
|
// This flips the linedef's vertex attachments
|
|
public void FlipVertices()
|
|
{
|
|
// Flip vertices
|
|
Vertex v = start;
|
|
start = end;
|
|
end = v;
|
|
|
|
// Flip tickets accordingly
|
|
LinkedListNode<Linedef> vn = startvertexlistitem;
|
|
startvertexlistitem = endvertexlistitem;
|
|
endvertexlistitem = vn;
|
|
|
|
// Update required (angle changed)
|
|
NeedUpdate();
|
|
General.Map.IsChanged = true;
|
|
}
|
|
|
|
// This flips the sidedefs
|
|
public void FlipSidedefs()
|
|
{
|
|
// Flip sidedefs
|
|
Sidedef sd = front;
|
|
front = back;
|
|
back = sd;
|
|
|
|
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
|
|
flags[General.Map.Config.SingleSidedFlag] = false;
|
|
flags[General.Map.Config.DoubleSidedFlag] = true;
|
|
}
|
|
else
|
|
{
|
|
// Apply or remove flags for singlesided line
|
|
flags[General.Map.Config.SingleSidedFlag] = true;
|
|
flags[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()
|
|
{
|
|
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);
|
|
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);
|
|
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
|
|
public Linedef Split(Vertex v)
|
|
{
|
|
Linedef nl;
|
|
Sidedef nsd;
|
|
|
|
// Copy linedef and change vertices
|
|
nl = map.CreateLinedef(v, end);
|
|
CopyPropertiesTo(nl);
|
|
SetEndVertex(v);
|
|
nl.Selected = this.Selected;
|
|
nl.marked = this.marked;
|
|
|
|
// Copy front sidedef if exists
|
|
if(front != null)
|
|
{
|
|
nsd = map.CreateSidedef(nl, true, front.Sector);
|
|
front.CopyPropertiesTo(nsd);
|
|
nsd.Marked = front.Marked;
|
|
|
|
// Make texture offset adjustments
|
|
nsd.OffsetX += (int)Vector2D.Distance(this.start.Position, this.end.Position);
|
|
}
|
|
|
|
// Copy back sidedef if exists
|
|
if(back != null)
|
|
{
|
|
nsd = map.CreateSidedef(nl, false, back.Sector);
|
|
back.CopyPropertiesTo(nsd);
|
|
nsd.Marked = back.Marked;
|
|
|
|
// Make texture offset adjustments
|
|
back.OffsetX += (int)Vector2D.Distance(nl.start.Position, nl.end.Position);
|
|
}
|
|
|
|
// Return result
|
|
General.Map.IsChanged = true;
|
|
return nl;
|
|
}
|
|
|
|
// This joins the line with another line
|
|
// This line will be disposed
|
|
public void Join(Linedef other)
|
|
{
|
|
Sector l1fs, l1bs, l2fs, l2bs;
|
|
bool l1was2s, l2was2s;
|
|
|
|
// Check which lines were 2 sided
|
|
l1was2s = ((other.Front != null) && (other.Back != null));
|
|
l2was2s = ((this.Front != null) && (this.Back != null));
|
|
|
|
// Get sector references
|
|
if(other.front != null) l1fs = other.front.Sector; else l1fs = null;
|
|
if(other.back != null) l1bs = other.back.Sector; else l1bs = null;
|
|
if(this.front != null) l2fs = this.front.Sector; else l2fs = null;
|
|
if(this.back != null) l2bs = this.back.Sector; else l2bs = 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)
|
|
{
|
|
JoinChangeSidedefs(other, true, front);
|
|
JoinChangeSidedefs(other, false, back);
|
|
}
|
|
else
|
|
{
|
|
JoinChangeSidedefs(other, false, front);
|
|
JoinChangeSidedefs(other, true, back);
|
|
}
|
|
|
|
// Copy my properties to the other
|
|
this.CopyPropertiesTo(other);
|
|
}
|
|
else
|
|
{
|
|
// Compare front sectors
|
|
if(l1fs == l2fs)
|
|
{
|
|
// Copy textures
|
|
if(other.front != null) other.front.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.back);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, true, back);
|
|
}
|
|
// Compare back sectors
|
|
else if(l1bs == l2bs)
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, false, front);
|
|
}
|
|
// Compare front and back
|
|
else if(l1fs == l2bs)
|
|
{
|
|
// Copy textures
|
|
if(other.front != null) other.front.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.back);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, true, front);
|
|
}
|
|
// Compare back and front
|
|
else if(l1bs == l2fs)
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, false, back);
|
|
}
|
|
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
|
|
JoinChangeSidedefs(other, false, front);
|
|
}
|
|
else
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, false, back);
|
|
}
|
|
}
|
|
// This line single sided?
|
|
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
|
|
JoinChangeSidedefs(other, false, front);
|
|
}
|
|
else
|
|
{
|
|
// Copy textures
|
|
if(other.front != null) other.front.AddTexturesTo(this.front);
|
|
if(this.back != null) this.back.AddTexturesTo(other.back);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, true, front);
|
|
}
|
|
}
|
|
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
|
|
JoinChangeSidedefs(other, false, front);
|
|
}
|
|
else
|
|
{
|
|
// Copy textures
|
|
if(other.back != null) other.back.AddTexturesTo(this.back);
|
|
if(this.front != null) this.front.AddTexturesTo(other.front);
|
|
|
|
// Change sidedefs
|
|
JoinChangeSidedefs(other, false, back);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// This changes sidedefs (used for joining lines)
|
|
private void JoinChangeSidedefs(Linedef other, bool front, Sidedef newside)
|
|
{
|
|
Sidedef sd;
|
|
|
|
// Change sidedefs
|
|
if(front)
|
|
{
|
|
if(other.front != null) other.front.Dispose();
|
|
}
|
|
else
|
|
{
|
|
if(other.back != null) other.back.Dispose();
|
|
}
|
|
|
|
if(newside != null)
|
|
{
|
|
sd = map.CreateSidedef(other, front, newside.Sector);
|
|
newside.CopyPropertiesTo(sd);
|
|
sd.Marked = newside.Marked;
|
|
}
|
|
}
|
|
|
|
// String representation
|
|
public override string ToString()
|
|
{
|
|
return "Linedef " + GetIndex();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Changes
|
|
|
|
// This updates all properties
|
|
public void Update(Dictionary<string, bool> flags, int activate, int tag, int action, int[] args)
|
|
{
|
|
// 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;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|