private Lump <TexInfo> ReadTexInfoLump(BSPLumpInfo lump, BinaryReader binaryReader)
{
var texInfoCount = lump.length / 4; // Edges are 4 bytes long (2 int16)
var texInfoLump = new Lump <TexInfo>();
Logging.Log($"Edge lump size: {texInfoCount}");
for (int i = 0; i < texInfoCount; ++i)
{
// Read vertex
texInfoLump.Contents.Add(new TexInfo()
{
textureVecs = new float[2, 4]
{
{ binaryReader.ReadSingle(), binaryReader.ReadSingle(), binaryReader.ReadSingle(), binaryReader.ReadSingle() },
{ binaryReader.ReadSingle(), binaryReader.ReadSingle(), binaryReader.ReadSingle(), binaryReader.ReadSingle() },
},
lightmapVecs = new float[4, 2]
{
{ binaryReader.ReadSingle(), binaryReader.ReadSingle() },
{ binaryReader.ReadSingle(), binaryReader.ReadSingle() },
{ binaryReader.ReadSingle(), binaryReader.ReadSingle() },
{ binaryReader.ReadSingle(), binaryReader.ReadSingle() }
},
flags = binaryReader.ReadInt32(),
texData = binaryReader.ReadInt32()
});
}
return(texInfoLump);
}
private Lump <Vector3> ReadVertexesLump(BSPLumpInfo lump, BinaryReader binaryReader)
{
var vertexCount = lump.length / 12; // Vertices are 12 bytes long (3 float)
var vertexLump = new Lump <Vector3>();
Logging.Log($"Vertex lump size: {vertexCount}");
for (int i = 0; i < vertexCount; ++i)
{
// Read vertex
vertexLump.Contents.Add(binaryReader.ReadVector3());
}
return(vertexLump);
}
private Lump <int> ReadSurfEdgesLump(BSPLumpInfo lump, BinaryReader binaryReader)
{
var surfEdgeCount = lump.length / 4; // Edges are 4 bytes long (1 int32)
var surfEdgeLump = new Lump <int>();
Logging.Log($"Surfedge lump size: {surfEdgeCount}");
for (int i = 0; i < surfEdgeCount; ++i)
{
// Read vertex
surfEdgeLump.Contents.Add(binaryReader.ReadInt32());
}
return(surfEdgeLump);
}
private Lump <Edge> ReadEdgesLump(BSPLumpInfo lump, BinaryReader binaryReader)
{
var edgeCount = lump.length / 4; // Edges are 4 bytes long (2 int16)
var edgeLump = new Lump <Edge>();
Logging.Log($"Edge lump size: {edgeCount}");
for (int i = 0; i < edgeCount; ++i)
{
// Read vertex
edgeLump.Contents.Add(new Edge
{
vertexIndices = new[] { binaryReader.ReadUInt16(), binaryReader.ReadUInt16() }
});
}
return(edgeLump);
}
private Lump <Plane> ReadPlaneLump(BSPLumpInfo lump, BinaryReader binaryReader)
{
var planeCount = lump.length / 20; // Planes are 20 bytes long
var planeLump = new Lump <Plane>();
Logging.Log($"Plane lump size: {planeCount}");
for (int i = 0; i < planeCount; ++i)
{
// Read plane
planeLump.Contents.Add(new Plane
{
normal = binaryReader.ReadVector3(),
dist = binaryReader.ReadSingle(),
type = binaryReader.ReadInt32()
});
}
return(planeLump);
}
private void ReadLump(BinaryReader binaryReader, BSPLumpInfo lump, BspLumpType lumpType)
{
var startOffset = binaryReader.BaseStream.Position;
binaryReader.BaseStream.Seek(lump.offset, SeekOrigin.Begin);
// handle lump based on lumptype given
switch (lumpType)
{
case BspLumpType.LumpPlanes:
Lumps[(int)lumpType] = ReadPlaneLump(lump, binaryReader);
break;
case BspLumpType.LumpVertexes:
Lumps[(int)lumpType] = ReadVertexesLump(lump, binaryReader);
break;
case BspLumpType.LumpEdges:
Lumps[(int)lumpType] = ReadEdgesLump(lump, binaryReader);
break;
case BspLumpType.LumpSurfEdges:
Lumps[(int)lumpType] = ReadSurfEdgesLump(lump, binaryReader);
break;
case BspLumpType.LumpFaces:
Lumps[(int)lumpType] = ReadFacesLump(lump, binaryReader);
break;
case BspLumpType.LumpTexInfo:
Lumps[(int)lumpType] = ReadTexInfoLump(lump, binaryReader);
break;
default:
Logging.Log($"No lump reader for {lumpType}", Logging.Severity.Medium);
break;
}
// seek back to original pos
binaryReader.BaseStream.Seek(startOffset, SeekOrigin.Begin);
}
private Lump <Face> ReadFacesLump(BSPLumpInfo lump, BinaryReader binaryReader)
{
var faceCount = lump.length / 56; // Faces are 56 bytes long
var faceLump = new Lump <Face>();
Logging.Log($"Face lump size: {faceCount}");
for (int i = 0; i < faceCount; ++i)
{
// Read face
faceLump.Contents.Add(new Face
{
planeNumber = binaryReader.ReadUInt16(),
side = binaryReader.ReadByte(),
onNode = binaryReader.ReadByte() == 1,
firstSurfEdge = binaryReader.ReadInt32(),
numSurfEdges = binaryReader.ReadInt16(),
texInfo = binaryReader.ReadInt16(),
dispInfo = binaryReader.ReadInt16(),
surfaceFogVolumeId = binaryReader.ReadInt16(),
styles = binaryReader.ReadBytes(4),
lightmapOffset = binaryReader.ReadInt32(),
area = binaryReader.ReadSingle(),
lightmapTextureMinsInLuxels = new[] {
binaryReader.ReadInt32(), binaryReader.ReadInt32()
},
lightmapTextureSizeInLuxels = new[] {
binaryReader.ReadInt32(), binaryReader.ReadInt32()
},
origFace = binaryReader.ReadInt32(),
numPrims = binaryReader.ReadUInt16(),
firstPrimId = binaryReader.ReadUInt16(),
smoothingGroups = binaryReader.ReadUInt32()
});
}
return(faceLump);
}
