private static void SetLineSpecial(MapLinedef linedef, int flags, ushort type, ushort sectorTag)
{
if (flags.HasBits(0x0008))
{
linedef.UpperUnpegged = true;
}
if (flags.HasBits(0x0010))
{
linedef.LowerUnpegged = true;
}
// TODO
}
private static Unpegged ToUnpegged(MapLinedef linedef)
{
bool lower = linedef.LowerUnpegged;
bool upper = linedef.UpperUnpegged;
if (!lower && !upper)
{
return(Unpegged.None);
}
if (lower && !upper)
{
return(Unpegged.Lower);
}
return(lower ? Unpegged.UpperAndLower : Unpegged.Upper);
}
public Line(int index, MapLinedef linedef, Vec2F start, Vec2F end, Side front,
Side back = null)
{
Index = index;
Front = front;
Back = new Optional <Side>(back);
Segment = new Seg2F(start, end);
Unpegged = ToUnpegged(linedef);
front.Line = this;
if (back != null)
{
back.Line = this;
}
}
private static void ReadLinesOrThrow(MapData map, MapComponents components)
{
ByteReader reader = ByteReader.From(ByteOrder.Little, components.Linedefs.Value.Data);
int count = reader.Length / BytesPerLine;
for (int index = 0; index < count; index++)
{
MapLinedef linedef = new MapLinedef(index)
{
StartVertex = reader.UShort(),
EndVertex = reader.UShort()
};
ushort flags = reader.UShort();
ushort type = reader.UShort();
ushort sectorTag = reader.UShort();
SetLineSpecial(linedef, flags, type, sectorTag);
linedef.FrontSide = reader.UShort();
int backID = reader.UShort();
if (backID != NoSidedef)
{
linedef.BackSide = backID;
}
if (!linedef.StartVertex.InRangeExclusive(0, map.Vertices.Count))
{
throw new Exception($"Line {index} has out of range start vertex: {linedef.StartVertex}");
}
if (!linedef.EndVertex.InRangeExclusive(0, map.Vertices.Count))
{
throw new Exception($"Line {index} has out of range start vertex: {linedef.EndVertex}");
}
if (!linedef.FrontSide.InRangeExclusive(0, map.Sidedefs.Count))
{
throw new Exception($"Line {index} has out of range front sidedef: {linedef.FrontSide}");
}
if (linedef.BackSide != null && !linedef.FrontSide.InRangeExclusive(0, map.Sidedefs.Count))
{
throw new Exception($"Line {index} has out of range back sidedef: {linedef.BackSide.Value}");
}
map.Linedefs.Add(linedef);
}
}
