/*
===================
CM_InitBoxHull
Set up the planes and nodes so that the six floats of a bounding box
can just be stored out and get a proper clipping hull structure.
===================
*/
void InitHullBox()
{
//box_planes =
dbrush_t boxbrush = new dbrush_t();
boxbrush.numsides = 6;
boxbrush.contents = brushflags.CONTENTS_PLAYERCLIP;
brushes.Add(boxbrush);
box_brush = boxbrush;
box_model = new cmodel_t();
box_model.leaf = new dleaf_t();
box_model.leaf.numleafbrushes = 1;
box_model.leaf.firstleafbrush = (ushort)leafbrushes.Count;
leafbrushes.Add(brushes.Count);
cplane_t[] plan = new cplane_t[6*2];
for (int i = 0; i < 12; i++)
{
plan[i] = new cplane_t();
}
dbrushside_t[] sides = new dbrushside_t[6];
for (int i = 0; i < 6; i++)
{
sides[i] = new dbrushside_t();
}
int numBrushSides = brushsides.Count;
for (int i = 0; i < 6; i++)
{
int side = i & 1;
dbrushside_t s = sides[i];
s.plane = plan[i * 2 + side];
// planes
cplane_t p = plan[i * 2];
p.type = i >> 1;
p.signbits = 0;
p.normal = Vector3.Zero;
p.normal[i >> 1] = 1;
p = planes[i * 2 + 1];
p.type = 3 + (i >> 1);
p.signbits = 0;
p.normal = Vector3.Zero;
p.normal[i >> 1] = -1;
Common.SetPlaneSignbits(p);
}
box_planes.AddRange(plan);
planes.AddRange(plan);
brushsides.AddRange(sides);
}
static void LoadModels(BinaryReader br, Header header)
{
// Models
br.BaseStream.Seek(header.lumps[14].fileofs, SeekOrigin.Begin);
int nModels = header.lumps[14].filelen / 48;
dmodel_t[] models = new dmodel_t[nModels];
for (int i = 0; i < nModels; i++)
{
dmodel_t model = new dmodel_t();
model.mins = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
model.maxs = new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle());
model.origin = SourceParser.SwapZY(new Vector3(br.ReadSingle(), br.ReadSingle(), br.ReadSingle()));
model.headnode = br.ReadInt32();
model.firstface = br.ReadInt32();
model.numfaces = br.ReadInt32();
models[i] = model;
}
world.cmodels = new cmodel_t[models.Length];
for (int i = 0; i < models.Length; i++)
{
dmodel_t min = models[i];
cmodel_t mout = new cmodel_t();
mout.leaf = new dleaf_t();
mout.mins = mout.maxs = Vector3.Zero;
for (int j = 0; j < 3; j++)
{
// spread the mins / maxs by a pixel
mout.mins[j] = min.mins[j] - 1;
mout.maxs[j] = min.maxs[j] + 1;
}
// world model doesn't need other info
if (i == 0)
continue;
mout.leaf.numleaffaces = (ushort)min.numfaces;
mout.leaf.firstleafface = (ushort)world.leafFaces.Count;
for (int j = 0; j < min.numfaces; j++)
{
world.leafFaces.Add(min.firstface + j);
}
world.cmodels[i] = mout;
}
}
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;
}