mirror of
https://github.com/id-Software/Quake-Tools.git
synced 2026-03-19 16:39:31 +01:00
376 lines
9.3 KiB
C
376 lines
9.3 KiB
C
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#include "cmdlib.h"
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#include "mathlib.h"
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#include "bspfile.h"
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//=============================================================================
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int nummodels;
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dmodel_t dmodels[MAX_MAP_MODELS];
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int visdatasize;
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byte dvisdata[MAX_MAP_VISIBILITY];
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int lightdatasize;
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byte dlightdata[MAX_MAP_LIGHTING];
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int texdatasize;
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byte dtexdata[MAX_MAP_MIPTEX]; // (dmiptexlump_t)
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int entdatasize;
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char dentdata[MAX_MAP_ENTSTRING];
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int numleafs;
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dleaf_t dleafs[MAX_MAP_LEAFS];
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int numplanes;
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dplane_t dplanes[MAX_MAP_PLANES];
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int numvertexes;
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dvertex_t dvertexes[MAX_MAP_VERTS];
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int numnodes;
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dnode_t dnodes[MAX_MAP_NODES];
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int numtexinfo;
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texinfo_t texinfo[MAX_MAP_TEXINFO];
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int numfaces;
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dface_t dfaces[MAX_MAP_FACES];
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int numclipnodes;
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dclipnode_t dclipnodes[MAX_MAP_CLIPNODES];
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int numedges;
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dedge_t dedges[MAX_MAP_EDGES];
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int nummarksurfaces;
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unsigned short dmarksurfaces[MAX_MAP_MARKSURFACES];
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int numsurfedges;
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int dsurfedges[MAX_MAP_SURFEDGES];
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//=============================================================================
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/*
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=============
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SwapBSPFile
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Byte swaps all data in a bsp file.
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=============
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*/
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void SwapBSPFile (qboolean todisk)
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{
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int i, j, c;
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dmodel_t *d;
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dmiptexlump_t *mtl;
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// models
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for (i=0 ; i<nummodels ; i++)
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{
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d = &dmodels[i];
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for (j=0 ; j<MAX_MAP_HULLS ; j++)
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d->headnode[j] = LittleLong (d->headnode[j]);
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d->visleafs = LittleLong (d->visleafs);
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d->firstface = LittleLong (d->firstface);
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d->numfaces = LittleLong (d->numfaces);
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for (j=0 ; j<3 ; j++)
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{
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d->mins[j] = LittleFloat(d->mins[j]);
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d->maxs[j] = LittleFloat(d->maxs[j]);
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d->origin[j] = LittleFloat(d->origin[j]);
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}
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}
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//
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// vertexes
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//
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for (i=0 ; i<numvertexes ; i++)
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{
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for (j=0 ; j<3 ; j++)
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dvertexes[i].point[j] = LittleFloat (dvertexes[i].point[j]);
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}
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//
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// planes
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//
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for (i=0 ; i<numplanes ; i++)
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{
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for (j=0 ; j<3 ; j++)
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dplanes[i].normal[j] = LittleFloat (dplanes[i].normal[j]);
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dplanes[i].dist = LittleFloat (dplanes[i].dist);
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dplanes[i].type = LittleLong (dplanes[i].type);
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}
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//
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// texinfos
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//
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for (i=0 ; i<numtexinfo ; i++)
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{
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for (j=0 ; j<8 ; j++)
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texinfo[i].vecs[0][j] = LittleFloat (texinfo[i].vecs[0][j]);
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texinfo[i].miptex = LittleLong (texinfo[i].miptex);
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texinfo[i].flags = LittleLong (texinfo[i].flags);
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}
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//
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// faces
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//
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for (i=0 ; i<numfaces ; i++)
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{
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dfaces[i].texinfo = LittleShort (dfaces[i].texinfo);
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dfaces[i].planenum = LittleShort (dfaces[i].planenum);
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dfaces[i].side = LittleShort (dfaces[i].side);
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dfaces[i].lightofs = LittleLong (dfaces[i].lightofs);
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dfaces[i].firstedge = LittleLong (dfaces[i].firstedge);
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dfaces[i].numedges = LittleShort (dfaces[i].numedges);
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}
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//
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// nodes
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//
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for (i=0 ; i<numnodes ; i++)
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{
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dnodes[i].planenum = LittleLong (dnodes[i].planenum);
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for (j=0 ; j<3 ; j++)
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{
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dnodes[i].mins[j] = LittleShort (dnodes[i].mins[j]);
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dnodes[i].maxs[j] = LittleShort (dnodes[i].maxs[j]);
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}
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dnodes[i].children[0] = LittleShort (dnodes[i].children[0]);
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dnodes[i].children[1] = LittleShort (dnodes[i].children[1]);
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dnodes[i].firstface = LittleShort (dnodes[i].firstface);
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dnodes[i].numfaces = LittleShort (dnodes[i].numfaces);
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}
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//
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// leafs
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//
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for (i=0 ; i<numleafs ; i++)
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{
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dleafs[i].contents = LittleLong (dleafs[i].contents);
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for (j=0 ; j<3 ; j++)
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{
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dleafs[i].mins[j] = LittleShort (dleafs[i].mins[j]);
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dleafs[i].maxs[j] = LittleShort (dleafs[i].maxs[j]);
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}
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dleafs[i].firstmarksurface = LittleShort (dleafs[i].firstmarksurface);
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dleafs[i].nummarksurfaces = LittleShort (dleafs[i].nummarksurfaces);
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dleafs[i].visofs = LittleLong (dleafs[i].visofs);
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}
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//
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// clipnodes
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//
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for (i=0 ; i<numclipnodes ; i++)
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{
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dclipnodes[i].planenum = LittleLong (dclipnodes[i].planenum);
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dclipnodes[i].children[0] = LittleShort (dclipnodes[i].children[0]);
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dclipnodes[i].children[1] = LittleShort (dclipnodes[i].children[1]);
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}
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//
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// miptex
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//
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if (texdatasize)
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{
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mtl = (dmiptexlump_t *)dtexdata;
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if (todisk)
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c = mtl->nummiptex;
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else
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c = LittleLong(mtl->nummiptex);
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mtl->nummiptex = LittleLong (mtl->nummiptex);
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for (i=0 ; i<c ; i++)
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mtl->dataofs[i] = LittleLong(mtl->dataofs[i]);
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}
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//
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// marksurfaces
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//
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for (i=0 ; i<nummarksurfaces ; i++)
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dmarksurfaces[i] = LittleShort (dmarksurfaces[i]);
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//
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// surfedges
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//
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for (i=0 ; i<numsurfedges ; i++)
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dsurfedges[i] = LittleLong (dsurfedges[i]);
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//
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// edges
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//
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for (i=0 ; i<numedges ; i++)
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{
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dedges[i].v[0] = LittleShort (dedges[i].v[0]);
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dedges[i].v[1] = LittleShort (dedges[i].v[1]);
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}
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}
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dheader_t *header;
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int CopyLump (int lump, void *dest, int size)
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{
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int length, ofs;
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length = header->lumps[lump].filelen;
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ofs = header->lumps[lump].fileofs;
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if (length % size)
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Error ("LoadBSPFile: odd lump size");
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memcpy (dest, (byte *)header + ofs, length);
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return length / size;
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}
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/*
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=============
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LoadBSPFile
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=============
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*/
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void LoadBSPFile (char *filename)
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{
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int i;
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//
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// load the file header
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//
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LoadFile (filename, (void **)&header);
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// swap the header
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for (i=0 ; i< sizeof(dheader_t)/4 ; i++)
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((int *)header)[i] = LittleLong ( ((int *)header)[i]);
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if (header->version != BSPVERSION)
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Error ("%s is version %i, not %i", filename, i, BSPVERSION);
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nummodels = CopyLump (LUMP_MODELS, dmodels, sizeof(dmodel_t));
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numvertexes = CopyLump (LUMP_VERTEXES, dvertexes, sizeof(dvertex_t));
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numplanes = CopyLump (LUMP_PLANES, dplanes, sizeof(dplane_t));
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numleafs = CopyLump (LUMP_LEAFS, dleafs, sizeof(dleaf_t));
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numnodes = CopyLump (LUMP_NODES, dnodes, sizeof(dnode_t));
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numtexinfo = CopyLump (LUMP_TEXINFO, texinfo, sizeof(texinfo_t));
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numclipnodes = CopyLump (LUMP_CLIPNODES, dclipnodes, sizeof(dclipnode_t));
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numfaces = CopyLump (LUMP_FACES, dfaces, sizeof(dface_t));
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nummarksurfaces = CopyLump (LUMP_MARKSURFACES, dmarksurfaces, sizeof(dmarksurfaces[0]));
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numsurfedges = CopyLump (LUMP_SURFEDGES, dsurfedges, sizeof(dsurfedges[0]));
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numedges = CopyLump (LUMP_EDGES, dedges, sizeof(dedge_t));
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texdatasize = CopyLump (LUMP_TEXTURES, dtexdata, 1);
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visdatasize = CopyLump (LUMP_VISIBILITY, dvisdata, 1);
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lightdatasize = CopyLump (LUMP_LIGHTING, dlightdata, 1);
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entdatasize = CopyLump (LUMP_ENTITIES, dentdata, 1);
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free (header); // everything has been copied out
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//
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// swap everything
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//
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SwapBSPFile (false);
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}
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//============================================================================
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FILE *wadfile;
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dheader_t outheader;
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void AddLump (int lumpnum, void *data, int len)
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{
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lump_t *lump;
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lump = &header->lumps[lumpnum];
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lump->fileofs = LittleLong( ftell(wadfile) );
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lump->filelen = LittleLong(len);
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SafeWrite (wadfile, data, (len+3)&~3);
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}
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/*
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=============
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WriteBSPFile
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Swaps the bsp file in place, so it should not be referenced again
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=============
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*/
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void WriteBSPFile (char *filename)
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{
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header = &outheader;
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memset (header, 0, sizeof(dheader_t));
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SwapBSPFile (true);
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header->version = LittleLong (BSPVERSION);
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wadfile = SafeOpenWrite (filename);
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SafeWrite (wadfile, header, sizeof(dheader_t)); // overwritten later
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AddLump (LUMP_PLANES, dplanes, numplanes*sizeof(dplane_t));
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AddLump (LUMP_LEAFS, dleafs, numleafs*sizeof(dleaf_t));
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AddLump (LUMP_VERTEXES, dvertexes, numvertexes*sizeof(dvertex_t));
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AddLump (LUMP_NODES, dnodes, numnodes*sizeof(dnode_t));
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AddLump (LUMP_TEXINFO, texinfo, numtexinfo*sizeof(texinfo_t));
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AddLump (LUMP_FACES, dfaces, numfaces*sizeof(dface_t));
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AddLump (LUMP_CLIPNODES, dclipnodes, numclipnodes*sizeof(dclipnode_t));
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AddLump (LUMP_MARKSURFACES, dmarksurfaces, nummarksurfaces*sizeof(dmarksurfaces[0]));
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AddLump (LUMP_SURFEDGES, dsurfedges, numsurfedges*sizeof(dsurfedges[0]));
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AddLump (LUMP_EDGES, dedges, numedges*sizeof(dedge_t));
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AddLump (LUMP_MODELS, dmodels, nummodels*sizeof(dmodel_t));
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AddLump (LUMP_LIGHTING, dlightdata, lightdatasize);
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AddLump (LUMP_VISIBILITY, dvisdata, visdatasize);
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AddLump (LUMP_ENTITIES, dentdata, entdatasize);
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AddLump (LUMP_TEXTURES, dtexdata, texdatasize);
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fseek (wadfile, 0, SEEK_SET);
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SafeWrite (wadfile, header, sizeof(dheader_t));
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fclose (wadfile);
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}
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//============================================================================
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/*
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=============
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PrintBSPFileSizes
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Dumps info about current file
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=============
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*/
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void PrintBSPFileSizes (void)
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{
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printf ("%5i planes %6i\n"
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,numplanes, (int)(numplanes*sizeof(dplane_t)));
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printf ("%5i vertexes %6i\n"
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,numvertexes, (int)(numvertexes*sizeof(dvertex_t)));
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printf ("%5i nodes %6i\n"
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,numnodes, (int)(numnodes*sizeof(dnode_t)));
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printf ("%5i texinfo %6i\n"
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,numtexinfo, (int)(numtexinfo*sizeof(texinfo_t)));
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printf ("%5i faces %6i\n"
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,numfaces, (int)(numfaces*sizeof(dface_t)));
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printf ("%5i clipnodes %6i\n"
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,numclipnodes, (int)(numclipnodes*sizeof(dclipnode_t)));
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printf ("%5i leafs %6i\n"
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,numleafs, (int)(numleafs*sizeof(dleaf_t)));
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printf ("%5i marksurfaces %6i\n"
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,nummarksurfaces, (int)(nummarksurfaces*sizeof(dmarksurfaces[0])));
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printf ("%5i surfedges %6i\n"
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,numsurfedges, (int)(numsurfedges*sizeof(dmarksurfaces[0])));
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printf ("%5i edges %6i\n"
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,numedges, (int)(numedges*sizeof(dedge_t)));
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if (!texdatasize)
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printf (" 0 textures 0\n");
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else
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printf ("%5i textures %6i\n",((dmiptexlump_t*)dtexdata)->nummiptex, texdatasize);
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printf (" lightdata %6i\n", lightdatasize);
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printf (" visdata %6i\n", visdatasize);
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printf (" entdata %6i\n", entdatasize);
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}
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