UltimateZoneBuilder/Source/Core/Map/Sidedef.cs

507 lines
12 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.Generic;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.Geometry;
#endregion
namespace CodeImp.DoomBuilder.Map
{
public sealed class Sidedef : MapElement
{
#region ================== Constants
#endregion
#region ================== Variables
// Map
private MapSet map;
// List items
private LinkedListNode<Sidedef> sectorlistitem;
// Owner
private Linedef linedef;
// Sector
private Sector sector;
// Properties
private int offsetx;
private int offsety;
private string texnamehigh;
private string texnamemid;
private string texnamelow;
private long longtexnamehigh;
private long longtexnamemid;
private long longtexnamelow;
// Clone
private int serializedindex;
#endregion
#region ================== Properties
public MapSet Map { get { return map; } }
public bool IsFront { get { return (linedef != null) ? (this == linedef.Front) : false; } }
public Linedef Line { get { return linedef; } }
public Sidedef Other { get { if(this == linedef.Front) return linedef.Back; else return linedef.Front; } }
public Sector Sector { get { return sector; } }
public float Angle { get { if(IsFront) return linedef.Angle; else return Angle2D.Normalized(linedef.Angle + Angle2D.PI); } }
public int OffsetX { get { return offsetx; } set { BeforePropsChange(); offsetx = value; } }
public int OffsetY { get { return offsety; } set { BeforePropsChange(); offsety = value; } }
public string HighTexture { get { return texnamehigh; } }
public string MiddleTexture { get { return texnamemid; } }
public string LowTexture { get { return texnamelow; } }
public long LongHighTexture { get { return longtexnamehigh; } }
public long LongMiddleTexture { get { return longtexnamemid; } }
public long LongLowTexture { get { return longtexnamelow; } }
internal int SerializedIndex { get { return serializedindex; } set { serializedindex = value; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
internal Sidedef(MapSet map, int listindex, Linedef l, bool front, Sector s)
{
// Initialize
this.map = map;
this.listindex = listindex;
this.texnamehigh = "-";
this.texnamemid = "-";
this.texnamelow = "-";
this.longtexnamehigh = MapSet.EmptyLongName;
this.longtexnamemid = MapSet.EmptyLongName;
this.longtexnamelow = MapSet.EmptyLongName;
// Attach linedef
this.linedef = l;
if(l != null)
{
if(front)
l.AttachFrontP(this);
else
l.AttachBackP(this);
}
// Attach sector
SetSectorP(s);
if(map == General.Map.Map)
General.Map.UndoRedo.RecAddSidedef(this);
// 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;
if(map == General.Map.Map)
General.Map.UndoRedo.RecRemSidedef(this);
// Remove from main list
map.RemoveSidedef(listindex);
// Detach from linedef
if(linedef != null) linedef.DetachSidedefP(this);
// Detach from sector
SetSectorP(null);
// Clean up
sectorlistitem = null;
linedef = null;
map = null;
sector = null;
// Dispose base
base.Dispose();
}
}
#endregion
#region ================== Management
// Call this before changing properties
protected override void BeforePropsChange()
{
if(map == General.Map.Map)
General.Map.UndoRedo.RecPrpSidedef(this);
}
// Serialize / deserialize (passive: this doesn't record)
new internal void ReadWrite(IReadWriteStream s)
{
if(!s.IsWriting) BeforePropsChange();
base.ReadWrite(s);
s.rwInt(ref offsetx);
s.rwInt(ref offsety);
s.rwString(ref texnamehigh);
s.rwString(ref texnamemid);
s.rwString(ref texnamelow);
s.rwLong(ref longtexnamehigh);
s.rwLong(ref longtexnamemid);
s.rwLong(ref longtexnamelow);
}
// This copies all properties to another sidedef
public void CopyPropertiesTo(Sidedef s)
{
s.BeforePropsChange();
// Copy properties
s.offsetx = offsetx;
s.offsety = offsety;
s.texnamehigh = texnamehigh;
s.texnamemid = texnamemid;
s.texnamelow = texnamelow;
s.longtexnamehigh = longtexnamehigh;
s.longtexnamemid = longtexnamemid;
s.longtexnamelow = longtexnamelow;
base.CopyPropertiesTo(s);
}
// This changes sector
public void SetSector(Sector newsector)
{
if(map == General.Map.Map)
General.Map.UndoRedo.RecRefSidedefSector(this);
// Change sector
SetSectorP(newsector);
}
internal void SetSectorP(Sector newsector)
{
// Detach from sector
if(sector != null && !sector.IsDisposed) //mxd
sector.DetachSidedefP(sectorlistitem);
// Change sector
sector = newsector;
// Attach to sector
if(sector != null && !sector.IsDisposed) //mxd
sectorlistitem = sector.AttachSidedefP(this);
General.Map.IsChanged = true;
}
// This sets the linedef
public void SetLinedef(Linedef ld, bool front)
{
if(linedef != null) linedef.DetachSidedefP(this);
if(ld != null)
{
if(front)
ld.AttachFront(this);
else
ld.AttachBack(this);
}
}
// This sets the linedef (passive: this doesn't tell the linedef and doesn't record)
internal void SetLinedefP(Linedef ld)
{
linedef = ld;
}
#endregion
#region ================== Methods
// This removes textures that are not required
public void RemoveUnneededTextures(bool removemiddle)
{
RemoveUnneededTextures(removemiddle, false);
}
// This removes textures that are not required
public void RemoveUnneededTextures(bool removemiddle, bool force)
{
BeforePropsChange();
// The middle texture can be removed regardless of any sector tag or linedef action
if(!MiddleRequired() && removemiddle)
{
this.texnamemid = "-";
this.longtexnamemid = MapSet.EmptyLongName;
General.Map.IsChanged = true;
}
// Check if the line or sectors have no action or tags because
// if they do, any texture on this side could be needed
if(((linedef.Tag <= 0) && (linedef.Action == 0) && (sector.Tag <= 0) &&
((Other == null) || (Other.sector.Tag <= 0))) ||
force)
{
if(!HighRequired())
{
this.texnamehigh = "-";
this.longtexnamehigh = MapSet.EmptyLongName;
General.Map.IsChanged = true;
}
if(!LowRequired())
{
this.texnamelow = "-";
this.longtexnamelow = MapSet.EmptyLongName;
General.Map.IsChanged = true;
}
}
}
/// <summary>
/// This checks if a texture is required
/// </summary>
public bool HighRequired()
{
// Doublesided?
if(Other != null)
{
// Texture is required when ceiling of other side is lower
return (Other.sector.CeilHeight < this.sector.CeilHeight);
}
else
{
return false;
}
}
/// <summary>
/// This checks if a texture is required
/// </summary>
public bool MiddleRequired()
{
// Texture is required when the line is singlesided
return (Other == null);
}
/// <summary>
/// This checks if a texture is required
/// </summary>
public bool LowRequired()
{
// Doublesided?
if(Other != null)
{
// Texture is required when floor of other side is higher
return (Other.sector.FloorHeight > this.sector.FloorHeight);
}
else
{
return false;
}
}
/// <summary>
/// This returns the height of the upper wall part. Returns 0 when no upper part exists.
/// </summary>
public int GetHighHeight()
{
Sidedef other = this.Other;
if(other != null)
{
int top = this.sector.CeilHeight;
int bottom = other.sector.CeilHeight;
int height = top - bottom;
return (height > 0) ? height : 0;
}
else
{
return 0;
}
}
/// <summary>
/// This returns the height of the middle wall part.
/// </summary>
public int GetMiddleHeight()
{
Sidedef other = this.Other;
if(other != null)
{
int top = Math.Min(this.Sector.CeilHeight, other.Sector.CeilHeight);
int bottom = Math.Max(this.Sector.FloorHeight, other.Sector.FloorHeight);
int height = top - bottom;
return (height > 0) ? height : 0;
}
else
{
int top = this.Sector.CeilHeight;
int bottom = this.Sector.FloorHeight;
int height = top - bottom;
return (height > 0) ? height : 0;
}
}
/// <summary>
/// This returns the height of the lower wall part. Returns 0 when no lower part exists.
/// </summary>
public int GetLowHeight()
{
Sidedef other = this.Other;
if(other != null)
{
int top = other.sector.FloorHeight;
int bottom = this.sector.FloorHeight;
int height = top - bottom;
return (height > 0) ? height : 0;
}
else
{
return 0;
}
}
// This creates a checksum from the sidedef properties
// Used for faster sidedefs compression
public uint GetChecksum()
{
CRC crc = new CRC();
crc.Add(sector.FixedIndex);
crc.Add(offsetx);
crc.Add(offsety);
crc.Add(longtexnamehigh);
crc.Add(longtexnamelow);
crc.Add(longtexnamemid);
return (uint)(crc.Value & 0x00000000FFFFFFFF);
}
// This copies textures to another sidedef
// And possibly also the offsets
public void AddTexturesTo(Sidedef s)
{
int copyoffsets = 0;
// s cannot be null
if(s == null) return;
s.BeforePropsChange();
// Upper texture set?
if((texnamehigh.Length > 0) && (texnamehigh[0] != '-'))
{
// Copy upper texture
s.texnamehigh = texnamehigh;
s.longtexnamehigh = longtexnamehigh;
// Counts as a half coice for copying offsets
copyoffsets += 1;
}
// Middle texture set?
if((texnamemid.Length > 0) && (texnamemid[0] != '-'))
{
// Copy middle texture
s.texnamemid = texnamemid;
s.longtexnamemid = longtexnamemid;
// Counts for copying offsets
copyoffsets += 2;
}
// Lower texture set?
if((texnamelow.Length > 0) && (texnamelow[0] != '-'))
{
// Copy middle texture
s.texnamelow = texnamelow;
s.longtexnamelow = longtexnamelow;
// Counts as a half coice for copying offsets
copyoffsets += 1;
}
// Copy offsets also?
if(copyoffsets >= 2)
{
// Copy offsets
s.offsetx = offsetx;
s.offsety = offsety;
}
General.Map.IsChanged = true;
}
#endregion
#region ================== Changes
// This updates all properties
public void Update(int offsetx, int offsety, string thigh, string tmid, string tlow)
{
BeforePropsChange();
// Apply changes
this.offsetx = offsetx;
this.offsety = offsety;
SetTextureHigh(thigh);
SetTextureMid(tmid);
SetTextureLow(tlow);
}
// This sets texture
public void SetTextureHigh(string name)
{
BeforePropsChange();
texnamehigh = name;
longtexnamehigh = Lump.MakeLongName(name);
General.Map.IsChanged = true;
}
// This sets texture
public void SetTextureMid(string name)
{
BeforePropsChange();
texnamemid = name;
longtexnamemid = Lump.MakeLongName(name);
General.Map.IsChanged = true;
}
// This sets texture
public void SetTextureLow(string name)
{
BeforePropsChange();
texnamelow = name;
longtexnamelow = Lump.MakeLongName(name);
General.Map.IsChanged = true;
}
#endregion
}
}