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common: WriteBSPFile: q2 support

This commit is contained in:
Eric Wasylishen 2017-10-02 20:51:24 -06:00
parent 7e429c560c
commit 63011ba5a2
1 changed files with 71 additions and 20 deletions
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87
common/bspfile.cc
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@ -2438,19 +2438,22 @@ LoadBSPFile(char *filename, bspdata_t *bspdata)
/* ========================================================================= */
typedef struct {
dheader_t header;
int version;
// which one is used depends on version
dheader_t q1header;
q2_dheader_t q2header;
FILE *file;
} bspfile_t;
static void
AddLump(bspfile_t *bspfile, int lumpnum, const void *data, int count)
{
lump_t *lump = &bspfile->header.lumps[lumpnum];
byte pad[4] = {0};
bool q2 = false;
size_t size;
/* FIXME - bad API, needing to byte swap back and forth... */
switch (LittleLong(bspfile->header.version)) {
switch (bspfile->version) {
case BSPVERSION:
size = lumpspec_bsp29[lumpnum].size * count;
break;
@ -2460,11 +2463,22 @@ AddLump(bspfile_t *bspfile, int lumpnum, const void *data, int count)
case BSP2VERSION:
size = lumpspec_bsp2[lumpnum].size * count;
break;
case Q2_BSPVERSION:
size = lumpspec_q2bsp[lumpnum].size * count;
q2 = true;
break;
default:
Error("Unsupported BSP version: %d",
LittleLong(bspfile->header.version));
LittleLong(bspfile->version));
}
byte pad[4] = {0};
lump_t *lump;
if (q2)
lump = &bspfile->q2header.lumps[lumpnum];
else
lump = &bspfile->q1header.lumps[lumpnum];
lump->fileofs = LittleLong(ftell(bspfile->file));
lump->filelen = LittleLong(size);
SafeWrite(bspfile->file, data, size);
@ -2477,7 +2491,7 @@ AddModelsLump(bspfile_t *bspfile, bspdata_t *bspdata, const void *data, int coun
{
if (bspdata->hullcount == MAX_MAP_HULLS_Q1)
{ /*convert in-place. no need to care about endian here.*/
lump_t *lump = &bspfile->header.lumps[LUMP_MODELS];
lump_t *lump = &bspfile->q1header.lumps[LUMP_MODELS];
const dmodel_t *in = static_cast<const dmodel_t *>(data);
dmodelq1_t *out = static_cast<dmodelq1_t *>(malloc(count * sizeof(dmodelq1_t)));
int i, j;
@ -2515,17 +2529,27 @@ void
WriteBSPFile(const char *filename, bspdata_t *bspdata)
{
bspfile_t bspfile;
memset(&bspfile.header, 0, sizeof(bspfile.header));
memset(&bspfile, 0, sizeof(bspfile));
SwapBSPFile(bspdata, TO_DISK);
bspfile.header.version = LittleLong(bspdata->version);
bspfile.version = bspdata->version;
if (bspfile.version == Q2_BSPVERSION) {
bspfile.q2header.ident = LittleLong(Q2_BSPIDENT);
bspfile.q2header.version = LittleLong(Q2_BSPVERSION);
} else {
bspfile.q1header.version = LittleLong(bspfile.version);
}
logprint("Writing %s as BSP version %s\n", filename, BSPVersionString(bspdata->version));
bspfile.file = SafeOpenWrite(filename);
/* Save header space, updated after adding the lumps */
SafeWrite(bspfile.file, &bspfile.header, sizeof(bspfile.header));
if (bspfile.version == Q2_BSPVERSION) {
SafeWrite(bspfile.file, &bspfile.q2header, sizeof(bspfile.q2header));
} else {
SafeWrite(bspfile.file, &bspfile.q1header, sizeof(bspfile.q1header));
}
if (bspdata->version == BSPVERSION) {
bsp29_t *bsp = &bspdata->data.bsp29;
@ -2546,9 +2570,7 @@ WriteBSPFile(const char *filename, bspdata_t *bspdata)
AddLump(&bspfile, LUMP_VISIBILITY, bsp->dvisdata, bsp->visdatasize);
AddLump(&bspfile, LUMP_ENTITIES, bsp->dentdata, bsp->entdatasize);
AddLump(&bspfile, LUMP_TEXTURES, bsp->dtexdata, bsp->texdatasize);
}
if (bspdata->version == BSP2RMQVERSION) {
} else if (bspdata->version == BSP2RMQVERSION) {
bsp2rmq_t *bsp = &bspdata->data.bsp2rmq;
AddLump(&bspfile, LUMP_PLANES, bsp->dplanes, bsp->numplanes);
@ -2567,9 +2589,7 @@ WriteBSPFile(const char *filename, bspdata_t *bspdata)
AddLump(&bspfile, LUMP_VISIBILITY, bsp->dvisdata, bsp->visdatasize);
AddLump(&bspfile, LUMP_ENTITIES, bsp->dentdata, bsp->entdatasize);
AddLump(&bspfile, LUMP_TEXTURES, bsp->dtexdata, bsp->texdatasize);
}
if (bspdata->version == BSP2VERSION) {
} else if (bspdata->version == BSP2VERSION) {
bsp2_t *bsp = &bspdata->data.bsp2;
AddLump(&bspfile, LUMP_PLANES, bsp->dplanes, bsp->numplanes);
@ -2588,6 +2608,31 @@ WriteBSPFile(const char *filename, bspdata_t *bspdata)
AddLump(&bspfile, LUMP_VISIBILITY, bsp->dvisdata, bsp->visdatasize);
AddLump(&bspfile, LUMP_ENTITIES, bsp->dentdata, bsp->entdatasize);
AddLump(&bspfile, LUMP_TEXTURES, bsp->dtexdata, bsp->texdatasize);
} else if (bspdata->version == Q2_BSPVERSION) {
q2bsp_t *bsp = &bspdata->data.q2bsp;
AddLump(&bspfile, Q2_LUMP_MODELS, bsp->dmodels, bsp->nummodels);
AddLump(&bspfile, Q2_LUMP_VERTEXES, bsp->dvertexes, bsp->numvertexes);
AddLump(&bspfile, Q2_LUMP_PLANES, bsp->dplanes, bsp->numplanes);
AddLump(&bspfile, Q2_LUMP_LEAFS, bsp->dleafs, bsp->numleafs);
AddLump(&bspfile, Q2_LUMP_NODES, bsp->dnodes, bsp->numnodes);
AddLump(&bspfile, Q2_LUMP_TEXINFO, bsp->texinfo, bsp->numtexinfo);
AddLump(&bspfile, Q2_LUMP_FACES, bsp->dfaces, bsp->numfaces);
AddLump(&bspfile, Q2_LUMP_LEAFFACES, bsp->dleaffaces, bsp->numleaffaces);
AddLump(&bspfile, Q2_LUMP_LEAFBRUSHES, bsp->dleafbrushes, bsp->numleafbrushes);
AddLump(&bspfile, Q2_LUMP_SURFEDGES, bsp->dsurfedges, bsp->numsurfedges);
AddLump(&bspfile, Q2_LUMP_EDGES, bsp->dedges, bsp->numedges);
AddLump(&bspfile, Q2_LUMP_BRUSHES, bsp->dbrushes, bsp->numbrushes);
AddLump(&bspfile, Q2_LUMP_BRUSHSIDES, bsp->dbrushsides, bsp->numbrushsides);
AddLump(&bspfile, Q2_LUMP_AREAS, bsp->dareas, bsp->numareas);
AddLump(&bspfile, Q2_LUMP_AREAPORTALS, bsp->dareaportals, bsp->numareaportals);
AddLump(&bspfile, Q2_LUMP_VISIBILITY, bsp->dvis, bsp->visdatasize);
AddLump(&bspfile, Q2_LUMP_LIGHTING, bsp->dlightdata, bsp->lightdatasize);
AddLump(&bspfile, Q2_LUMP_ENTITIES, bsp->dentdata, bsp->entdatasize);
AddLump(&bspfile, Q2_LUMP_POP, bsp->dpop, sizeof(bsp->dpop));
} else {
Error("Unknown format");
}
/*BSPX lumps are at a 4-byte alignment after the last of any official lump*/
@ -2631,7 +2676,13 @@ WriteBSPFile(const char *filename, bspdata_t *bspdata)
}
fseek(bspfile.file, 0, SEEK_SET);
SafeWrite(bspfile.file, &bspfile.header, sizeof(bspfile.header));
// write the real header
if (bspfile.version == Q2_BSPVERSION) {
SafeWrite(bspfile.file, &bspfile.q2header, sizeof(bspfile.q2header));
} else {
SafeWrite(bspfile.file, &bspfile.q1header, sizeof(bspfile.q1header));
}
fclose(bspfile.file);
}