void ReadVisibility(Header header, BinaryReader br)
{
// Read Vis
br.BaseStream.Seek(header.lumps[4].fileofs, SeekOrigin.Begin);
int nVis = header.lumps[4].filelen / 68;
if (nVis > 0)
{
vis = new dvis_t();
vis.numclusters = br.ReadInt32();
vis.byteofs = new int[vis.numclusters][];
for (int j = 0; j < vis.numclusters; j++)
{
vis.byteofs[j] = new int[] { br.ReadInt32(), br.ReadInt32() };
}
numClusters = vis.numclusters;
// VisData
br.BaseStream.Seek(header.lumps[4].fileofs, SeekOrigin.Begin);
int nVisData = (int)(header.lumps[4].filelen);
visibility = new byte[nVisData];
for (int i = 0; i < nVisData; i++)
{
visibility[i] = br.ReadByte();
}
vised = true;
}
else
{
int clusterBytes = (numClusters +31 )& ~31;
visibility = new byte[clusterBytes];
for (int i = 0; i < clusterBytes; i++)
{
visibility[i] = 255;
}
}
}
public void clear()
{
this.name = "";
this.registration_sequence = 0;
// was enum modtype_t
this.type = 0;
this.numframes = 0;
this.flags = 0;
//
// volume occupied by the model graphics
//
Math3D.VectorClear(this.mins);
Math3D.VectorClear(this.maxs);
this.radius = 0;
//
// solid volume for clipping
//
this.clipbox = false;
Math3D.VectorClear(this.clipmins);
Math3D.VectorClear(this.clipmaxs);
//
// brush model
//
this.firstmodelsurface = this.nummodelsurfaces = 0;
this.lightmap = 0; // only for submodels
this.numsubmodels = 0;
this.submodels = null;
this.numplanes = 0;
this.planes = null;
this.numleafs = 0; // number of visible leafs, not counting 0
this.leafs = null;
this.numvertexes = 0;
this.vertexes = null;
this.numedges = 0;
this.edges = null;
this.numnodes = 0;
this.firstnode = 0;
this.nodes = null;
this.numtexinfo = 0;
this.texinfo = null;
this.numsurfaces = 0;
this.surfaces = null;
this.numsurfedges = 0;
this.surfedges = null;
this.nummarksurfaces = 0;
this.marksurfaces = null;
this.vis = null;
this.lightdata = null;
// for alias models and skins
// was image_t *skins[]; (array of pointers)
Array.Fill(this.skins, null);
this.extradatasize = 0;
// or whatever
this.extradata = null;
}
public void ClearMap()
{
name = null;
numBrushSides = 0;
brushsides = new List<dbrushside_t>();
planes = new List<cplane_t>();
numNodes = 0;
nodes = null;
numLeafs = 0;
leafs = null;
numLeafBrushes = 0;
leafbrushes = new List<int>();
leafFaces = new List<int>();
numSubModels = 0;
cmodels = null;
brushes = new List<dbrush_t>();
numClusters = 0;
clusterBytes = 0;
visibility = null;
vised = false; // if false, visibility is just a single cluster of ffs
entityString = null;
numAreas = 0;
numSurfaces = 0;
floodvalid = 0;
checkcount = 0; // incremented on each trace
c_traces = 0;
c_brush_traces = 0;
texinfos = null;
box_model = new cmodel_t();
box_planes = new List<cplane_t>();
box_brush = new dbrush_t();
vis = new dvis_t();
edges = null;
DispIndexToFaceIndex = null;
ddispinfos = null;
dispLightmapSamples = null;
dispVerts = null;
dispTris = null;
dispCollTrees = null;
surfEdges = null;
}
