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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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543 lines
15 KiB
C#
543 lines
15 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;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Text;
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using CodeImp.DoomBuilder.IO;
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using CodeImp.DoomBuilder.Geometry;
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using System.Drawing;
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using CodeImp.DoomBuilder.Rendering;
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using System.Collections.ObjectModel;
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using SlimDX.Direct3D9;
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using SlimDX;
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#endregion
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namespace CodeImp.DoomBuilder.Map
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{
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public sealed class Sector : SelectableElement
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{
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#region ================== Constants
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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<Sector> selecteditem;
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// Sidedefs
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private LinkedList<Sidedef> sidedefs;
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// Properties
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private int fixedindex;
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private int floorheight;
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private int ceilheight;
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private string floortexname;
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private string ceiltexname;
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private long longfloortexname;
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private long longceiltexname;
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private int effect;
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private int tag;
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private int brightness;
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// Cloning
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private Sector clone;
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private int serializedindex;
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// Triangulation
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private bool updateneeded;
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private bool triangulationneeded;
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private RectangleF bbox;
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private Triangulation triangles;
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private FlatVertex[] flatvertices;
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private ReadOnlyCollection<LabelPositionInfo> labels;
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private SurfaceEntry surfaceentry;
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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 ICollection<Sidedef> Sidedefs { get { return sidedefs; } }
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/// <summary>
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/// An unique index that does not change when other sectors are removed.
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/// </summary>
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public int FixedIndex { get { return fixedindex; } }
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public int FloorHeight { get { return floorheight; } set { floorheight = value; } }
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public int CeilHeight { get { return ceilheight; } set { ceilheight = value; } }
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public string FloorTexture { get { return floortexname; } }
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public string CeilTexture { get { return ceiltexname; } }
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public long LongFloorTexture { get { return longfloortexname; } }
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public long LongCeilTexture { get { return longceiltexname; } }
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public int Effect { get { return effect; } set { effect = value; } }
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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"); } }
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public int Brightness { get { return brightness; } set { brightness = value; updateneeded = true; } }
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public bool UpdateNeeded { get { return updateneeded; } set { updateneeded |= value; triangulationneeded |= value; } }
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public RectangleF BBox { get { return bbox; } }
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internal Sector Clone { get { return clone; } set { clone = value; } }
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internal int SerializedIndex { get { return serializedindex; } set { serializedindex = value; } }
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public Triangulation Triangles { get { return triangles; } }
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public FlatVertex[] FlatVertices { get { return flatvertices; } }
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public ReadOnlyCollection<LabelPositionInfo> Labels { get { return labels; } }
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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internal Sector(MapSet map, int listindex, int index)
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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.sidedefs = new LinkedList<Sidedef>();
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this.fixedindex = index;
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this.floortexname = "-";
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this.ceiltexname = "-";
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this.longfloortexname = MapSet.EmptyLongName;
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this.longceiltexname = MapSet.EmptyLongName;
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this.triangulationneeded = true;
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this.surfaceentry = new SurfaceEntry(-1, -1, -1);
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Constructor
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internal Sector(MapSet map, int listindex, IReadWriteStream stream)
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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.sidedefs = new LinkedList<Sidedef>();
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this.triangulationneeded = true;
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this.surfaceentry = new SurfaceEntry(-1, -1, -1);
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ReadWrite(stream);
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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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// Remove from main list
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map.RemoveSector(listindex);
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// Register the index as free
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map.AddSectorIndexHole(fixedindex);
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// Dispose the sidedefs that are attached to this sector
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// because a sidedef cannot exist without reference to its sector.
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if(map.AutoRemove)
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foreach(Sidedef sd in sidedefs) sd.Dispose();
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// Free surface entry
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General.Map.CRenderer2D.Surfaces.FreeSurfaces(surfaceentry);
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// Clean up
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sidedefs = null;
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map = null;
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// Dispose 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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// Serialize / deserialize
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internal void ReadWrite(IReadWriteStream s)
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{
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base.ReadWrite(s);
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s.rwInt(ref fixedindex);
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s.rwInt(ref floorheight);
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s.rwInt(ref ceilheight);
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s.rwString(ref floortexname);
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s.rwString(ref ceiltexname);
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//s.rwLong(ref longfloortexname);
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//s.rwLong(ref longceiltexname);
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s.rwInt(ref effect);
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s.rwInt(ref tag);
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s.rwInt(ref brightness);
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// Use a new triangulator when reading from stream
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if(!s.IsWriting && (triangles == null)) triangles = new Triangulation();
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triangles.ReadWrite(s);
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if(s.IsWriting)
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{
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s.wInt(labels.Count);
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for(int i = 0; i < labels.Count; i++)
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{
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s.wVector2D(labels[i].position);
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s.wFloat(labels[i].radius);
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}
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}
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else
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{
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longfloortexname = Lump.MakeLongName(floortexname);
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longceiltexname = Lump.MakeLongName(ceiltexname);
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int c; s.rInt(out c);
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LabelPositionInfo[] labelsarray = new LabelPositionInfo[c];
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for(int i = 0; i < c; i++)
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{
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s.rVector2D(out labelsarray[i].position);
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s.rFloat(out labelsarray[i].radius);
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}
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labels = Array.AsReadOnly<LabelPositionInfo>(labelsarray);
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}
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}
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// After deserialization
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internal void PostDeserialize(MapSet map)
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{
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triangles.PostDeserialize(map);
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// We need to rebuild the vertex buffer,
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// but the triangulation was deserialized
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updateneeded = true;
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triangulationneeded = false;
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}
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// This copies all properties to another sector
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public void CopyPropertiesTo(Sector s)
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{
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// Copy properties
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s.ceilheight = ceilheight;
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s.ceiltexname = ceiltexname;
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s.longceiltexname = longceiltexname;
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s.floorheight = floorheight;
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s.floortexname = floortexname;
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s.longfloortexname = longfloortexname;
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s.effect = effect;
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s.tag = tag;
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s.brightness = brightness;
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s.updateneeded = true;
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base.CopyPropertiesTo(s);
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}
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// This attaches a sidedef and returns the listitem
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public LinkedListNode<Sidedef> AttachSidedef(Sidedef sd)
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{
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updateneeded = true;
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triangulationneeded = true;
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return sidedefs.AddLast(sd);
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}
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// This detaches a sidedef
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public void DetachSidedef(LinkedListNode<Sidedef> l)
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{
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// Not disposing?
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if(!isdisposed)
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{
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// Remove sidedef
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updateneeded = true;
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triangulationneeded = true;
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sidedefs.Remove(l);
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// No more sidedefs left?
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if((sidedefs.Count == 0) && map.AutoRemove)
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{
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// This sector is now useless, dispose it
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this.Dispose();
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}
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}
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}
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// This triangulates the sector geometry
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internal void Triangulate()
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{
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if(updateneeded)
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{
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// Triangulate again?
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if(triangulationneeded || (triangles == null))
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{
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// Triangulate sector
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triangles = Triangulation.Create(this);
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triangulationneeded = false;
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updateneeded = true;
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// Make label positions
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labels = Array.AsReadOnly<LabelPositionInfo>(Tools.FindLabelPositions(this).ToArray());
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// Number of vertices changed?
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if((surfaceentry != null) && (triangles.Vertices.Count != surfaceentry.numvertices))
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General.Map.CRenderer2D.Surfaces.FreeSurfaces(surfaceentry);
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}
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}
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}
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// This makes new vertices as well as floor and ceiling surfaces
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internal void CreateSurfaces()
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{
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if(updateneeded)
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{
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// Brightness color (alpha is opaque)
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byte clampedbright = 0;
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if((brightness >= 0) && (brightness <= 255)) clampedbright = (byte)brightness;
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else if(brightness > 255) clampedbright = 255;
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PixelColor brightcolor = new PixelColor(255, clampedbright, clampedbright, clampedbright);
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int brightint = brightcolor.ToInt();
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// Make vertices
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flatvertices = new FlatVertex[triangles.Vertices.Count];
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for(int i = 0; i < triangles.Vertices.Count; i++)
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{
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flatvertices[i].x = triangles.Vertices[i].x;
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flatvertices[i].y = triangles.Vertices[i].y;
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flatvertices[i].z = 1.0f;
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flatvertices[i].c = brightint;
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flatvertices[i].u = triangles.Vertices[i].x;
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flatvertices[i].v = triangles.Vertices[i].y;
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}
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// Create bounding box
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bbox = CreateBBox();
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// Make a dummy entry if we don't have one yet
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if(surfaceentry == null) surfaceentry = new SurfaceEntry(-1, -1, -1);
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// Create floor vertices
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FlatVertex[] floorvertices = new FlatVertex[flatvertices.Length];
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flatvertices.CopyTo(floorvertices, 0);
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General.Plugins.OnSectorFloorSurfaceUpdate(this, ref floorvertices);
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surfaceentry.floorvertices = floorvertices;
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surfaceentry.floortexture = longfloortexname;
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// Create ceiling vertices
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FlatVertex[] ceilvertices = new FlatVertex[flatvertices.Length];
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flatvertices.CopyTo(ceilvertices, 0);
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General.Plugins.OnSectorCeilingSurfaceUpdate(this, ref ceilvertices);
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surfaceentry.ceilvertices = ceilvertices;
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surfaceentry.ceiltexture = longceiltexname;
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// Update entry
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surfaceentry = General.Map.CRenderer2D.Surfaces.UpdateSurfaces(surfaceentry);
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// Updated
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updateneeded = false;
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}
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}
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// This updates the floor surface
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public void UpdateFloorSurface()
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{
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// Create floor vertices
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FlatVertex[] floorvertices = new FlatVertex[flatvertices.Length];
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flatvertices.CopyTo(floorvertices, 0);
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General.Plugins.OnSectorFloorSurfaceUpdate(this, ref floorvertices);
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surfaceentry.floorvertices = floorvertices;
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surfaceentry.floortexture = longfloortexname;
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// Update entry
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surfaceentry = General.Map.CRenderer2D.Surfaces.UpdateSurfaces(surfaceentry);
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General.Map.CRenderer2D.Surfaces.UnlockBuffers();
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}
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// This updates the ceiling surface
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public void UpdateCeilingSurface()
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{
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// Create ceiling vertices
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FlatVertex[] ceilvertices = new FlatVertex[flatvertices.Length];
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flatvertices.CopyTo(ceilvertices, 0);
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General.Plugins.OnSectorCeilingSurfaceUpdate(this, ref ceilvertices);
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surfaceentry.ceilvertices = ceilvertices;
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surfaceentry.ceiltexture = longceiltexname;
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// Update entry
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surfaceentry = General.Map.CRenderer2D.Surfaces.UpdateSurfaces(surfaceentry);
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General.Map.CRenderer2D.Surfaces.UnlockBuffers();
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}
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// This updates the sector 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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Triangulate();
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CreateSurfaces();
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}
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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.SelectedSectors.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 if the given point is inside the sector polygon
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public bool Intersect(Vector2D p)
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{
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uint c = 0;
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// Go for all sidedefs
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foreach(Sidedef sd in sidedefs)
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{
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// Get vertices
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Vector2D v1 = sd.Line.Start.Position;
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Vector2D v2 = sd.Line.End.Position;
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// Determine min/max values
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float miny = Math.Min(v1.y, v2.y);
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float maxy = Math.Max(v1.y, v2.y);
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float maxx = Math.Max(v1.x, v2.x);
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// Check for intersection
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if((p.y > miny) && (p.y <= maxy))
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{
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if(p.x <= maxx)
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{
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if(v1.y != v2.y)
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{
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float xint = (p.y - v1.y) * (v2.x - v1.x) / (v2.y - v1.y) + v1.x;
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if((v1.x == v2.x) || (p.x <= xint)) c++;
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}
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}
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}
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}
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// Inside this polygon?
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return ((c & 0x00000001UL) != 0);
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}
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// This creates a bounding box rectangle
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// This requires the sector triangulation to be up-to-date!
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private RectangleF CreateBBox()
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{
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// Setup
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float left = float.MaxValue;
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float top = float.MaxValue;
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float right = float.MinValue;
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float bottom = float.MinValue;
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// Go for vertices
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foreach(Vector2D v in triangles.Vertices)
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{
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// Update rect
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if(v.x < left) left = v.x;
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if(v.y < top) top = v.y;
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if(v.x > right) right = v.x;
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if(v.y > bottom) bottom = v.y;
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}
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// Return rectangle
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return new RectangleF(left, top, right - left, bottom - top);
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}
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// This joins the sector with another sector
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// This sector will be disposed
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public void Join(Sector other)
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{
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// Any sidedefs to move?
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if(sidedefs.Count > 0)
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{
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// Change secter reference on my sidedefs
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// This automatically disposes this sector
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while(sidedefs != null)
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sidedefs.First.Value.ChangeSector(other);
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}
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else
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{
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// No sidedefs attached
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// Dispose manually
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this.Dispose();
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}
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General.Map.IsChanged = true;
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}
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// String representation
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public override string ToString()
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{
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return "Sector " + listindex;
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}
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#endregion
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#region ================== Changes
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// This updates all properties
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public void Update(int hfloor, int hceil, string tfloor, string tceil, int effect, int tag, int brightness)
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{
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// Apply changes
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this.floorheight = hfloor;
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this.ceilheight = hceil;
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SetFloorTexture(tfloor);
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SetCeilTexture(tceil);
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this.effect = effect;
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this.tag = tag;
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this.brightness = brightness;
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updateneeded = true;
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}
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// This sets texture
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public void SetFloorTexture(string name)
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{
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floortexname = name;
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longfloortexname = Lump.MakeLongName(name);
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updateneeded = true;
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General.Map.IsChanged = true;
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}
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// This sets texture
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public void SetCeilTexture(string name)
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{
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ceiltexname = name;
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longceiltexname = Lump.MakeLongName(name);
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updateneeded = true;
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General.Map.IsChanged = true;
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}
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#endregion
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}
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}
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