375 lines
9.3 KiB
C
375 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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