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19b458f8bc
git-svn-id: https://unknownworlds.svn.cloudforge.com/ns1@141 67975925-1194-0748-b3d5-c16f83f1a3a1
709 lines
17 KiB
C
709 lines
17 KiB
C
/***
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*
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* Copyright (c) 1998, Valve LLC. All rights reserved.
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*
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* This product contains software technology licensed from Id
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
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* All Rights Reserved.
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*
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****/
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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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#include "scriplib.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 dmodels_checksum;
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int visdatasize;
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byte dvisdata[MAX_MAP_VISIBILITY];
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int dvisdata_checksum;
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int lightdatasize;
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byte dlightdata[MAX_MAP_LIGHTING];
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int dlightdata_checksum;
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int texdatasize;
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byte dtexdata[MAX_MAP_MIPTEX]; // (dmiptexlump_t)
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int dtexdata_checksum;
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int entdatasize;
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char dentdata[MAX_MAP_ENTSTRING];
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int dentdata_checksum;
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int numleafs;
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dleaf_t dleafs[MAX_MAP_LEAFS];
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int dleafs_checksum;
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int numplanes;
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dplane_t dplanes[MAX_MAP_PLANES];
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int dplanes_checksum;
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int numvertexes;
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dvertex_t dvertexes[MAX_MAP_VERTS];
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int dvertexes_checksum;
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int numnodes;
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dnode_t dnodes[MAX_MAP_NODES];
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int dnodes_checksum;
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int numtexinfo;
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texinfo_t texinfo[MAX_MAP_TEXINFO];
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int texinfo_checksum;
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int numfaces;
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dface_t dfaces[MAX_MAP_FACES];
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int dfaces_checksum;
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int numclipnodes;
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dclipnode_t dclipnodes[MAX_MAP_CLIPNODES];
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int dclipnodes_checksum;
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int numedges;
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dedge_t dedges[MAX_MAP_EDGES];
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int dedges_checksum;
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int nummarksurfaces;
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unsigned short dmarksurfaces[MAX_MAP_MARKSURFACES];
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int dmarksurfaces_checksum;
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int numsurfedges;
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int dsurfedges[MAX_MAP_SURFEDGES];
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int dsurfedges_checksum;
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int num_entities;
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entity_t entities[MAX_MAP_ENTITIES];
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/*
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===============
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FastChecksum
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===============
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*/
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int FastChecksum(void *buffer, int bytes)
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{
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int checksum = 0;
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while( bytes-- )
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checksum = _rotl(checksum, 4) ^ *((char *)buffer)++;
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return checksum;
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}
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/*
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===============
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CompressVis
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===============
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*/
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int CompressVis (byte *vis, byte *dest)
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{
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int j;
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int rep;
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int visrow;
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byte *dest_p;
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dest_p = dest;
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visrow = (numleafs + 7)>>3;
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for (j=0 ; j<visrow ; j++)
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{
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*dest_p++ = vis[j];
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if (vis[j])
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continue;
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rep = 1;
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for ( j++; j<visrow ; j++)
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if (vis[j] || rep == 255)
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break;
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else
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rep++;
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*dest_p++ = rep;
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j--;
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}
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return dest_p - dest;
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}
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/*
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===================
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DecompressVis
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===================
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*/
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void DecompressVis (byte *in, byte *decompressed)
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{
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int c;
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byte *out;
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int row;
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row = (numleafs+7)>>3;
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out = decompressed;
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do
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{
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if (*in)
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{
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*out++ = *in++;
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continue;
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}
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c = in[1];
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in += 2;
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while (c)
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{
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*out++ = 0;
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c--;
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}
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} while (out - decompressed < row);
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}
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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, header->version, 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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dmodels_checksum = FastChecksum( dmodels, nummodels*sizeof(dmodels[0]) );
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dvertexes_checksum = FastChecksum( dvertexes, numvertexes*sizeof(dvertexes[0]) );
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dplanes_checksum = FastChecksum( dplanes, numplanes*sizeof(dplanes[0]) );
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dleafs_checksum = FastChecksum( dleafs, numleafs*sizeof(dleafs[0]) );
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dnodes_checksum = FastChecksum( dnodes, numnodes*sizeof(dnodes[0]) );
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texinfo_checksum = FastChecksum( texinfo, numtexinfo*sizeof(texinfo[0]) );
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dclipnodes_checksum = FastChecksum( dclipnodes, numclipnodes*sizeof(dclipnodes[0]) );
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dfaces_checksum = FastChecksum( dfaces, numfaces*sizeof(dfaces[0]) );
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dmarksurfaces_checksum = FastChecksum( dmarksurfaces, nummarksurfaces*sizeof(dmarksurfaces[0]) );
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dsurfedges_checksum = FastChecksum( dsurfedges, numsurfedges*sizeof(dsurfedges[0]) );
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dedges_checksum = FastChecksum( dedges, numedges*sizeof(dedges[0]) );
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dtexdata_checksum = FastChecksum( dtexdata, numedges*sizeof(dtexdata[0]) );
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dvisdata_checksum = FastChecksum( dvisdata, visdatasize*sizeof(dvisdata[0]) );
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dlightdata_checksum = FastChecksum( dlightdata, lightdatasize*sizeof(dlightdata[0]) );
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dentdata_checksum = FastChecksum( dentdata, entdatasize*sizeof(dentdata[0]) );
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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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#define ENTRIES(a) (sizeof(a)/sizeof(*(a)))
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#define ENTRYSIZE(a) (sizeof(*(a)))
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ArrayUsage( char *szItem, int items, int maxitems, int itemsize )
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{
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float percentage = maxitems ? items * 100.0 / maxitems : 0.0;
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printf("%-12s %7i/%-7i %7i/%-7i (%4.1f%%)",
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szItem, items, maxitems, items * itemsize, maxitems * itemsize, percentage );
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if ( percentage > 80.0 )
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printf( "VERY FULL!\n" );
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else if ( percentage > 95.0 )
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printf( "SIZE DANGER!\n" );
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else if ( percentage > 99.9 )
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printf( "SIZE OVERFLOW!!!\n" );
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else
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printf( "\n" );
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return items * itemsize;
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}
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GlobUsage( char *szItem, int itemstorage, int maxstorage )
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{
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float percentage = maxstorage ? itemstorage * 100.0 / maxstorage : 0.0;
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printf("%-12s [variable] %7i/%-7i (%4.1f%%)",
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szItem, itemstorage, maxstorage, percentage );
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if ( percentage > 80.0 )
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printf( "VERY FULL!\n" );
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else if ( percentage > 95.0 )
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printf( "SIZE DANGER!\n" );
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else if ( percentage > 99.9 )
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printf( "SIZE OVERFLOW!!!\n" );
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else
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printf( "\n" );
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return itemstorage;
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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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int numtextures = texdatasize ? ((dmiptexlump_t*)dtexdata)->nummiptex : 0;
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int totalmemory = 0;
|
|
|
|
printf("\n");
|
|
printf("Object names Objects/Maxobjs Memory / Maxmem Fullness\n" );
|
|
printf("------------ --------------- --------------- --------\n" );
|
|
|
|
totalmemory += ArrayUsage( "models", nummodels, ENTRIES(dmodels), ENTRYSIZE(dmodels) );
|
|
totalmemory += ArrayUsage( "planes", numplanes, ENTRIES(dplanes), ENTRYSIZE(dplanes) );
|
|
totalmemory += ArrayUsage( "vertexes", numvertexes, ENTRIES(dvertexes), ENTRYSIZE(dvertexes) );
|
|
totalmemory += ArrayUsage( "nodes", numnodes, ENTRIES(dnodes), ENTRYSIZE(dnodes) );
|
|
totalmemory += ArrayUsage( "texinfos", numtexinfo, ENTRIES(texinfo), ENTRYSIZE(texinfo) );
|
|
totalmemory += ArrayUsage( "faces", numfaces, ENTRIES(dfaces), ENTRYSIZE(dfaces) );
|
|
totalmemory += ArrayUsage( "clipnodes", numclipnodes, ENTRIES(dclipnodes), ENTRYSIZE(dclipnodes) );
|
|
totalmemory += ArrayUsage( "leaves", numleafs, ENTRIES(dleafs), ENTRYSIZE(dleafs) );
|
|
totalmemory += ArrayUsage( "marksurfaces", nummarksurfaces,ENTRIES(dmarksurfaces), ENTRYSIZE(dmarksurfaces) );
|
|
totalmemory += ArrayUsage( "surfedges", numsurfedges, ENTRIES(dsurfedges), ENTRYSIZE(dsurfedges) );
|
|
totalmemory += ArrayUsage( "edges", numedges, ENTRIES(dedges), ENTRYSIZE(dedges) );
|
|
|
|
totalmemory += GlobUsage( "texdata", texdatasize, sizeof(dtexdata) );
|
|
totalmemory += GlobUsage( "lightdata", lightdatasize, sizeof(dlightdata) );
|
|
totalmemory += GlobUsage( "visdata", visdatasize, sizeof(dvisdata) );
|
|
totalmemory += GlobUsage( "entdata", entdatasize, sizeof(dentdata) );
|
|
|
|
printf( "=== Total BSP file data space used: %d bytes ===\n", totalmemory );
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
ParseEpair
|
|
=================
|
|
*/
|
|
epair_t *ParseEpair (void)
|
|
{
|
|
epair_t *e;
|
|
|
|
e = malloc (sizeof(epair_t));
|
|
memset (e, 0, sizeof(epair_t));
|
|
|
|
if (strlen(token) >= MAX_KEY-1)
|
|
Error ("ParseEpar: token too long");
|
|
e->key = copystring(token);
|
|
GetToken (false);
|
|
if (strlen(token) >= MAX_VALUE-1)
|
|
Error ("ParseEpar: token too long");
|
|
e->value = copystring(token);
|
|
|
|
return e;
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
ParseEntity
|
|
================
|
|
*/
|
|
qboolean ParseEntity (void)
|
|
{
|
|
epair_t *e;
|
|
entity_t *mapent;
|
|
|
|
if (!GetToken (true))
|
|
return false;
|
|
|
|
if (strcmp (token, "{") )
|
|
Error ("ParseEntity: { not found");
|
|
|
|
if (num_entities == MAX_MAP_ENTITIES)
|
|
Error ("num_entities == MAX_MAP_ENTITIES");
|
|
|
|
mapent = &entities[num_entities];
|
|
num_entities++;
|
|
|
|
do
|
|
{
|
|
if (!GetToken (true))
|
|
Error ("ParseEntity: EOF without closing brace");
|
|
if (!strcmp (token, "}") )
|
|
break;
|
|
e = ParseEpair ();
|
|
e->next = mapent->epairs;
|
|
mapent->epairs = e;
|
|
} while (1);
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
================
|
|
ParseEntities
|
|
|
|
Parses the dentdata string into entities
|
|
================
|
|
*/
|
|
void ParseEntities (void)
|
|
{
|
|
num_entities = 0;
|
|
ParseFromMemory (dentdata, entdatasize);
|
|
|
|
while (ParseEntity ())
|
|
{
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
================
|
|
UnparseEntities
|
|
|
|
Generates the dentdata string from all the entities
|
|
================
|
|
*/
|
|
void UnparseEntities (void)
|
|
{
|
|
char *buf, *end;
|
|
epair_t *ep;
|
|
char line[2048];
|
|
int i;
|
|
|
|
buf = dentdata;
|
|
end = buf;
|
|
*end = 0;
|
|
|
|
for (i=0 ; i<num_entities ; i++)
|
|
{
|
|
ep = entities[i].epairs;
|
|
if (!ep)
|
|
continue; // ent got removed
|
|
|
|
strcat (end,"{\n");
|
|
end += 2;
|
|
|
|
for (ep = entities[i].epairs ; ep ; ep=ep->next)
|
|
{
|
|
sprintf (line, "\"%s\" \"%s\"\n", ep->key, ep->value);
|
|
strcat (end, line);
|
|
end += strlen(line);
|
|
}
|
|
strcat (end,"}\n");
|
|
end += 2;
|
|
|
|
if (end > buf + MAX_MAP_ENTSTRING)
|
|
Error ("Entity text too long");
|
|
}
|
|
entdatasize = end - buf + 1;
|
|
}
|
|
|
|
|
|
|
|
void SetKeyValue (entity_t *ent, char *key, char *value)
|
|
{
|
|
epair_t *ep;
|
|
|
|
for (ep=ent->epairs ; ep ; ep=ep->next)
|
|
if (!strcmp (ep->key, key) )
|
|
{
|
|
free (ep->value);
|
|
ep->value = copystring(value);
|
|
return;
|
|
}
|
|
ep = malloc (sizeof(*ep));
|
|
ep->next = ent->epairs;
|
|
ent->epairs = ep;
|
|
ep->key = copystring(key);
|
|
ep->value = copystring(value);
|
|
}
|
|
|
|
char *ValueForKey (entity_t *ent, char *key)
|
|
{
|
|
epair_t *ep;
|
|
|
|
for (ep=ent->epairs ; ep ; ep=ep->next)
|
|
if (!strcmp (ep->key, key) )
|
|
return ep->value;
|
|
return "";
|
|
}
|
|
|
|
vec_t FloatForKey (entity_t *ent, char *key)
|
|
{
|
|
char *k;
|
|
|
|
k = ValueForKey (ent, key);
|
|
return atof(k);
|
|
}
|
|
|
|
void GetVectorForKey (entity_t *ent, char *key, vec3_t vec)
|
|
{
|
|
char *k;
|
|
double v1, v2, v3;
|
|
|
|
k = ValueForKey (ent, key);
|
|
// scanf into doubles, then assign, so it is vec_t size independent
|
|
v1 = v2 = v3 = 0;
|
|
sscanf (k, "%lf %lf %lf", &v1, &v2, &v3);
|
|
vec[0] = v1;
|
|
vec[1] = v2;
|
|
vec[2] = v3;
|
|
}
|
|
|