Files
Quake-Tools/qutils/COMMON/BSPFILE.C
2012-01-31 15:48:05 -06:00

376 lines
9.3 KiB
C

#include "cmdlib.h"
#include "mathlib.h"
#include "bspfile.h"
//=============================================================================
int nummodels;
dmodel_t dmodels[MAX_MAP_MODELS];
int visdatasize;
byte dvisdata[MAX_MAP_VISIBILITY];
int lightdatasize;
byte dlightdata[MAX_MAP_LIGHTING];
int texdatasize;
byte dtexdata[MAX_MAP_MIPTEX]; // (dmiptexlump_t)
int entdatasize;
char dentdata[MAX_MAP_ENTSTRING];
int numleafs;
dleaf_t dleafs[MAX_MAP_LEAFS];
int numplanes;
dplane_t dplanes[MAX_MAP_PLANES];
int numvertexes;
dvertex_t dvertexes[MAX_MAP_VERTS];
int numnodes;
dnode_t dnodes[MAX_MAP_NODES];
int numtexinfo;
texinfo_t texinfo[MAX_MAP_TEXINFO];
int numfaces;
dface_t dfaces[MAX_MAP_FACES];
int numclipnodes;
dclipnode_t dclipnodes[MAX_MAP_CLIPNODES];
int numedges;
dedge_t dedges[MAX_MAP_EDGES];
int nummarksurfaces;
unsigned short dmarksurfaces[MAX_MAP_MARKSURFACES];
int numsurfedges;
int dsurfedges[MAX_MAP_SURFEDGES];
//=============================================================================
/*
=============
SwapBSPFile
Byte swaps all data in a bsp file.
=============
*/
void SwapBSPFile (qboolean todisk)
{
int i, j, c;
dmodel_t *d;
dmiptexlump_t *mtl;
// models
for (i=0 ; i<nummodels ; i++)
{
d = &dmodels[i];
for (j=0 ; j<MAX_MAP_HULLS ; j++)
d->headnode[j] = LittleLong (d->headnode[j]);
d->visleafs = LittleLong (d->visleafs);
d->firstface = LittleLong (d->firstface);
d->numfaces = LittleLong (d->numfaces);
for (j=0 ; j<3 ; j++)
{
d->mins[j] = LittleFloat(d->mins[j]);
d->maxs[j] = LittleFloat(d->maxs[j]);
d->origin[j] = LittleFloat(d->origin[j]);
}
}
//
// vertexes
//
for (i=0 ; i<numvertexes ; i++)
{
for (j=0 ; j<3 ; j++)
dvertexes[i].point[j] = LittleFloat (dvertexes[i].point[j]);
}
//
// planes
//
for (i=0 ; i<numplanes ; i++)
{
for (j=0 ; j<3 ; j++)
dplanes[i].normal[j] = LittleFloat (dplanes[i].normal[j]);
dplanes[i].dist = LittleFloat (dplanes[i].dist);
dplanes[i].type = LittleLong (dplanes[i].type);
}
//
// texinfos
//
for (i=0 ; i<numtexinfo ; i++)
{
for (j=0 ; j<8 ; j++)
texinfo[i].vecs[0][j] = LittleFloat (texinfo[i].vecs[0][j]);
texinfo[i].miptex = LittleLong (texinfo[i].miptex);
texinfo[i].flags = LittleLong (texinfo[i].flags);
}
//
// faces
//
for (i=0 ; i<numfaces ; i++)
{
dfaces[i].texinfo = LittleShort (dfaces[i].texinfo);
dfaces[i].planenum = LittleShort (dfaces[i].planenum);
dfaces[i].side = LittleShort (dfaces[i].side);
dfaces[i].lightofs = LittleLong (dfaces[i].lightofs);
dfaces[i].firstedge = LittleLong (dfaces[i].firstedge);
dfaces[i].numedges = LittleShort (dfaces[i].numedges);
}
//
// nodes
//
for (i=0 ; i<numnodes ; i++)
{
dnodes[i].planenum = LittleLong (dnodes[i].planenum);
for (j=0 ; j<3 ; j++)
{
dnodes[i].mins[j] = LittleShort (dnodes[i].mins[j]);
dnodes[i].maxs[j] = LittleShort (dnodes[i].maxs[j]);
}
dnodes[i].children[0] = LittleShort (dnodes[i].children[0]);
dnodes[i].children[1] = LittleShort (dnodes[i].children[1]);
dnodes[i].firstface = LittleShort (dnodes[i].firstface);
dnodes[i].numfaces = LittleShort (dnodes[i].numfaces);
}
//
// leafs
//
for (i=0 ; i<numleafs ; i++)
{
dleafs[i].contents = LittleLong (dleafs[i].contents);
for (j=0 ; j<3 ; j++)
{
dleafs[i].mins[j] = LittleShort (dleafs[i].mins[j]);
dleafs[i].maxs[j] = LittleShort (dleafs[i].maxs[j]);
}
dleafs[i].firstmarksurface = LittleShort (dleafs[i].firstmarksurface);
dleafs[i].nummarksurfaces = LittleShort (dleafs[i].nummarksurfaces);
dleafs[i].visofs = LittleLong (dleafs[i].visofs);
}
//
// clipnodes
//
for (i=0 ; i<numclipnodes ; i++)
{
dclipnodes[i].planenum = LittleLong (dclipnodes[i].planenum);
dclipnodes[i].children[0] = LittleShort (dclipnodes[i].children[0]);
dclipnodes[i].children[1] = LittleShort (dclipnodes[i].children[1]);
}
//
// miptex
//
if (texdatasize)
{
mtl = (dmiptexlump_t *)dtexdata;
if (todisk)
c = mtl->nummiptex;
else
c = LittleLong(mtl->nummiptex);
mtl->nummiptex = LittleLong (mtl->nummiptex);
for (i=0 ; i<c ; i++)
mtl->dataofs[i] = LittleLong(mtl->dataofs[i]);
}
//
// marksurfaces
//
for (i=0 ; i<nummarksurfaces ; i++)
dmarksurfaces[i] = LittleShort (dmarksurfaces[i]);
//
// surfedges
//
for (i=0 ; i<numsurfedges ; i++)
dsurfedges[i] = LittleLong (dsurfedges[i]);
//
// edges
//
for (i=0 ; i<numedges ; i++)
{
dedges[i].v[0] = LittleShort (dedges[i].v[0]);
dedges[i].v[1] = LittleShort (dedges[i].v[1]);
}
}
dheader_t *header;
int CopyLump (int lump, void *dest, int size)
{
int length, ofs;
length = header->lumps[lump].filelen;
ofs = header->lumps[lump].fileofs;
if (length % size)
Error ("LoadBSPFile: odd lump size");
memcpy (dest, (byte *)header + ofs, length);
return length / size;
}
/*
=============
LoadBSPFile
=============
*/
void LoadBSPFile (char *filename)
{
int i;
//
// load the file header
//
LoadFile (filename, (void **)&header);
// swap the header
for (i=0 ; i< sizeof(dheader_t)/4 ; i++)
((int *)header)[i] = LittleLong ( ((int *)header)[i]);
if (header->version != BSPVERSION)
Error ("%s is version %i, not %i", filename, i, BSPVERSION);
nummodels = CopyLump (LUMP_MODELS, dmodels, sizeof(dmodel_t));
numvertexes = CopyLump (LUMP_VERTEXES, dvertexes, sizeof(dvertex_t));
numplanes = CopyLump (LUMP_PLANES, dplanes, sizeof(dplane_t));
numleafs = CopyLump (LUMP_LEAFS, dleafs, sizeof(dleaf_t));
numnodes = CopyLump (LUMP_NODES, dnodes, sizeof(dnode_t));
numtexinfo = CopyLump (LUMP_TEXINFO, texinfo, sizeof(texinfo_t));
numclipnodes = CopyLump (LUMP_CLIPNODES, dclipnodes, sizeof(dclipnode_t));
numfaces = CopyLump (LUMP_FACES, dfaces, sizeof(dface_t));
nummarksurfaces = CopyLump (LUMP_MARKSURFACES, dmarksurfaces, sizeof(dmarksurfaces[0]));
numsurfedges = CopyLump (LUMP_SURFEDGES, dsurfedges, sizeof(dsurfedges[0]));
numedges = CopyLump (LUMP_EDGES, dedges, sizeof(dedge_t));
texdatasize = CopyLump (LUMP_TEXTURES, dtexdata, 1);
visdatasize = CopyLump (LUMP_VISIBILITY, dvisdata, 1);
lightdatasize = CopyLump (LUMP_LIGHTING, dlightdata, 1);
entdatasize = CopyLump (LUMP_ENTITIES, dentdata, 1);
free (header); // everything has been copied out
//
// swap everything
//
SwapBSPFile (false);
}
//============================================================================
FILE *wadfile;
dheader_t outheader;
void AddLump (int lumpnum, void *data, int len)
{
lump_t *lump;
lump = &header->lumps[lumpnum];
lump->fileofs = LittleLong( ftell(wadfile) );
lump->filelen = LittleLong(len);
SafeWrite (wadfile, data, (len+3)&~3);
}
/*
=============
WriteBSPFile
Swaps the bsp file in place, so it should not be referenced again
=============
*/
void WriteBSPFile (char *filename)
{
header = &outheader;
memset (header, 0, sizeof(dheader_t));
SwapBSPFile (true);
header->version = LittleLong (BSPVERSION);
wadfile = SafeOpenWrite (filename);
SafeWrite (wadfile, header, sizeof(dheader_t)); // overwritten later
AddLump (LUMP_PLANES, dplanes, numplanes*sizeof(dplane_t));
AddLump (LUMP_LEAFS, dleafs, numleafs*sizeof(dleaf_t));
AddLump (LUMP_VERTEXES, dvertexes, numvertexes*sizeof(dvertex_t));
AddLump (LUMP_NODES, dnodes, numnodes*sizeof(dnode_t));
AddLump (LUMP_TEXINFO, texinfo, numtexinfo*sizeof(texinfo_t));
AddLump (LUMP_FACES, dfaces, numfaces*sizeof(dface_t));
AddLump (LUMP_CLIPNODES, dclipnodes, numclipnodes*sizeof(dclipnode_t));
AddLump (LUMP_MARKSURFACES, dmarksurfaces, nummarksurfaces*sizeof(dmarksurfaces[0]));
AddLump (LUMP_SURFEDGES, dsurfedges, numsurfedges*sizeof(dsurfedges[0]));
AddLump (LUMP_EDGES, dedges, numedges*sizeof(dedge_t));
AddLump (LUMP_MODELS, dmodels, nummodels*sizeof(dmodel_t));
AddLump (LUMP_LIGHTING, dlightdata, lightdatasize);
AddLump (LUMP_VISIBILITY, dvisdata, visdatasize);
AddLump (LUMP_ENTITIES, dentdata, entdatasize);
AddLump (LUMP_TEXTURES, dtexdata, texdatasize);
fseek (wadfile, 0, SEEK_SET);
SafeWrite (wadfile, header, sizeof(dheader_t));
fclose (wadfile);
}
//============================================================================
/*
=============
PrintBSPFileSizes
Dumps info about current file
=============
*/
void PrintBSPFileSizes (void)
{
printf ("%5i planes %6i\n"
,numplanes, (int)(numplanes*sizeof(dplane_t)));
printf ("%5i vertexes %6i\n"
,numvertexes, (int)(numvertexes*sizeof(dvertex_t)));
printf ("%5i nodes %6i\n"
,numnodes, (int)(numnodes*sizeof(dnode_t)));
printf ("%5i texinfo %6i\n"
,numtexinfo, (int)(numtexinfo*sizeof(texinfo_t)));
printf ("%5i faces %6i\n"
,numfaces, (int)(numfaces*sizeof(dface_t)));
printf ("%5i clipnodes %6i\n"
,numclipnodes, (int)(numclipnodes*sizeof(dclipnode_t)));
printf ("%5i leafs %6i\n"
,numleafs, (int)(numleafs*sizeof(dleaf_t)));
printf ("%5i marksurfaces %6i\n"
,nummarksurfaces, (int)(nummarksurfaces*sizeof(dmarksurfaces[0])));
printf ("%5i surfedges %6i\n"
,numsurfedges, (int)(numsurfedges*sizeof(dmarksurfaces[0])));
printf ("%5i edges %6i\n"
,numedges, (int)(numedges*sizeof(dedge_t)));
if (!texdatasize)
printf (" 0 textures 0\n");
else
printf ("%5i textures %6i\n",((dmiptexlump_t*)dtexdata)->nummiptex, texdatasize);
printf (" lightdata %6i\n", lightdatasize);
printf (" visdata %6i\n", visdatasize);
printf (" entdata %6i\n", entdatasize);
}