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qbsp: use common to write bsp 

NOTE: produces almost binary-identical e1m1.bsp as last commit, the only
difference is due to the old QBSP using ascii space as a padding byte,
and common using \0
This commit is contained in:
Eric Wasylishen 2021-08-24 01:11:57 -06:00
parent 890db18171
commit 50a16fa2bf
4 changed files with 64 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
include/qbsp/map.hh
View File

@ -156,17 +156,17 @@ typedef struct mapdata_s {
bool leakfile; /* Flag once we've written a leak (.por/.pts) file */
// Final, exported data
std::vector<texinfo_t> exported_texinfos; // FIXME: change to gtexinfo_t
std::vector<gtexinfo_t> exported_texinfos;
std::vector<dplane_t> exported_planes;
std::vector<bsp29_dleaf_t> exported_leafs_bsp29; // FIXME: change to generic leaf
std::vector<bsp29_dnode_t> exported_nodes_bsp29; // FIXME: change to generic node
std::vector<uint16_t> exported_marksurfaces; // FIXME: change type to generic
std::vector<bsp29_dclipnode_t> exported_clipnodes;
std::vector<bsp29_dedge_t> exported_edges;
std::vector<mleaf_t> exported_leafs_bsp29;
std::vector<bsp2_dnode_t> exported_nodes_bsp29;
std::vector<uint32_t> exported_marksurfaces;
std::vector<bsp2_dclipnode_t> exported_clipnodes;
std::vector<bsp2_dedge_t> exported_edges;
std::vector<dvertex_t> exported_vertexes;
std::vector<int> exported_surfedges;
std::vector<bsp29_dface_t> exported_faces;
std::vector<dmodelq1_t> exported_models;
std::vector<int32_t> exported_surfedges;
std::vector<bsp2_dface_t> exported_faces;
std::vector<dmodelh2_t> exported_models;
std::string exported_entities;
std::string exported_texdata;

114
qbsp/bspfile.cc
View File

@ -36,40 +36,31 @@ LoadBSPFile(void)
{
}
//============================================================================
// TODO: remove this once we switch to common
static void
AddLumpFromBuffer(FILE *f, int Type, void* src, size_t srcbytes)
{
lump_t *lump;
size_t ret;
const mapentity_t *entity;
lump = &header->lumps[Type];
lump->fileofs = ftell(f);
if (srcbytes) {
ret = fwrite(src, 1, srcbytes, f);
if (ret != srcbytes)
Error("Failure writing to file");
}
lump->filelen = srcbytes;
// Pad to 4-byte boundary
if (srcbytes % 4 != 0) {
size_t pad = 4 - (srcbytes % 4);
ret = fwrite(" ", 1, pad, f);
if (ret != pad)
Error("Failure writing to file");
}
}
void BSPX_AddLump(const char *xname, const void *xdata, size_t xsize)
{
}
template <class C>
static void CopyVector(const std::vector<C>& vec, int* elementCountOut, C** arrayCopyOut)
{
const size_t numBytes = sizeof(C) * vec.size();
void* data = (void*)malloc(numBytes);
memcpy(data, vec.data(), numBytes);
*elementCountOut = vec.size();
*arrayCopyOut = (C*)data;
}
static void CopyString(const std::string& string, bool addNullTermination, int* elementCountOut, void** arrayCopyOut)
{
const size_t numBytes = addNullTermination ? string.size() + 1 : string.size();
void* data = malloc(numBytes);
memcpy(data, string.data(), numBytes); // std::string::data() has null termination, so it's safe to copy it
*elementCountOut = numBytes;
*arrayCopyOut = data;
}
/*
=============
WriteBSPFile
@ -78,56 +69,37 @@ WriteBSPFile
void
WriteBSPFile(void)
{
FILE *f;
size_t ret;
bspdata_t bspdata{};
bspdata.version = &bspver_generic;
bspdata.hullcount = MAX_MAP_HULLS_Q1;
header = (dheader_t *)AllocMem(OTHER, sizeof(dheader_t), true);
header->version = options.BSPVersion;
CopyVector(map.exported_planes, &bspdata.data.mbsp.numplanes, &bspdata.data.mbsp.dplanes);
CopyVector(map.exported_leafs_bsp29, &bspdata.data.mbsp.numleafs, &bspdata.data.mbsp.dleafs);
CopyVector(map.exported_vertexes, &bspdata.data.mbsp.numvertexes, &bspdata.data.mbsp.dvertexes);
CopyVector(map.exported_nodes_bsp29, &bspdata.data.mbsp.numnodes, &bspdata.data.mbsp.dnodes);
CopyVector(map.exported_texinfos, &bspdata.data.mbsp.numtexinfo, &bspdata.data.mbsp.texinfo);
CopyVector(map.exported_faces, &bspdata.data.mbsp.numfaces, &bspdata.data.mbsp.dfaces);
CopyVector(map.exported_clipnodes, &bspdata.data.mbsp.numclipnodes, &bspdata.data.mbsp.dclipnodes);
CopyVector(map.exported_marksurfaces, &bspdata.data.mbsp.numleaffaces, &bspdata.data.mbsp.dleaffaces);
CopyVector(map.exported_surfedges, &bspdata.data.mbsp.numsurfedges, &bspdata.data.mbsp.dsurfedges);
CopyVector(map.exported_edges, &bspdata.data.mbsp.numedges, &bspdata.data.mbsp.dedges);
CopyVector(map.exported_models, &bspdata.data.mbsp.nummodels, &bspdata.data.mbsp.dmodels);
StripExtension(options.szBSPName);
strcat(options.szBSPName, ".bsp");
f = fopen(options.szBSPName, "wb");
if (!f)
Error("Failed to open %s: %s", options.szBSPName, strerror(errno));
/* write placeholder, header is overwritten later */
ret = fwrite(header, sizeof(dheader_t), 1, f);
if (ret != 1)
Error("Failure writing to file");
AddLumpFromBuffer(f, LUMP_PLANES, map.exported_planes.data(), map.exported_planes.size() * sizeof(map.exported_planes[0]));
AddLumpFromBuffer(f, LUMP_LEAFS, map.exported_leafs_bsp29.data(), map.exported_leafs_bsp29.size() * sizeof(map.exported_leafs_bsp29[0]));
AddLumpFromBuffer(f, LUMP_VERTEXES, map.exported_vertexes.data(), map.exported_vertexes.size() * sizeof(map.exported_vertexes[0]));
AddLumpFromBuffer(f, LUMP_NODES, map.exported_nodes_bsp29.data(), map.exported_nodes_bsp29.size() * sizeof(map.exported_nodes_bsp29[0]));
AddLumpFromBuffer(f, LUMP_TEXINFO, map.exported_texinfos.data(), map.exported_texinfos.size() * sizeof(map.exported_texinfos[0]));
AddLumpFromBuffer(f, LUMP_FACES, map.exported_faces.data(), map.exported_faces.size() * sizeof(map.exported_faces[0]));
AddLumpFromBuffer(f, LUMP_CLIPNODES, map.exported_clipnodes.data(), map.exported_clipnodes.size() * sizeof(map.exported_clipnodes[0]));
AddLumpFromBuffer(f, LUMP_MARKSURFACES, map.exported_marksurfaces.data(), map.exported_marksurfaces.size() * sizeof(map.exported_marksurfaces[0]));
AddLumpFromBuffer(f, LUMP_SURFEDGES, map.exported_surfedges.data(), map.exported_surfedges.size() * sizeof(map.exported_surfedges[0]));
AddLumpFromBuffer(f, LUMP_EDGES, map.exported_edges.data(), map.exported_edges.size() * sizeof(map.exported_edges[0]));
AddLumpFromBuffer(f, LUMP_MODELS, map.exported_models.data(), map.exported_models.size() * sizeof(map.exported_models[0]));
AddLumpFromBuffer(f, LUMP_LIGHTING, nullptr, 0);
AddLumpFromBuffer(f, LUMP_VISIBILITY, nullptr, 0);
AddLumpFromBuffer(f, LUMP_ENTITIES, map.exported_entities.data(), map.exported_entities.size() + 1); // +1 to write the terminating null (safe in C++11)
AddLumpFromBuffer(f, LUMP_TEXTURES, map.exported_texdata.data(), map.exported_texdata.size());
CopyString(map.exported_entities, true, &bspdata.data.mbsp.entdatasize, (void**)&bspdata.data.mbsp.dentdata);
CopyString(map.exported_texdata, false, &bspdata.data.mbsp.texdatasize, (void**)&bspdata.data.mbsp.dtexdata);
// TODO: pass bspx lumps to generic bsp code so they are written
//GenLump("LMSHIFT", BSPX_LMSHIFT, 1);
fseek(f, 0, SEEK_SET);
ret = fwrite(header, sizeof(dheader_t), 1, f);
if (ret != 1)
Error("Failure writing to file");
ConvertBSPFormat(&bspdata, &bspver_q1); // assume q1 for now
if (fclose(f) != 0)
Error("Failure closing file");
StripExtension(options.szBSPName);
strcat(options.szBSPName, ".bsp");
WriteBSPFile(options.szBSPName, &bspdata);
logprint("Wrote %s\n", options.szBSPName);
FreeMem(header, OTHER, sizeof(dheader_t));
}
//============================================================================

4
qbsp/surfaces.cc
View File

@ -301,7 +301,7 @@ GetEdge(mapentity_t *entity, const vec3_t p1, const vec3_t p2,
const std::pair<int,int> edge_hash_key = std::make_pair(v2, v1);
{
bsp29_dedge_t *edge;
bsp2_dedge_t *edge;
auto it = hashedges.find(edge_hash_key);
if (it != hashedges.end()) {
@ -389,7 +389,7 @@ EmitFace
static void
EmitFace(mapentity_t *entity, face_t *face)
{
bsp29_dface_t *out;
bsp2_dface_t *out;
int i;
if (map.mtexinfos.at(face->texinfo).flags & (TEX_SKIP | TEX_HINT))

17
qbsp/writebsp.cc
View File

@ -97,7 +97,7 @@ ExportMapTexinfo(int texinfonum)
const int i = static_cast<int>(map.exported_texinfos.size());
map.exported_texinfos.push_back({});
texinfo_t* dest = &map.exported_texinfos.back();
gtexinfo_t* dest = &map.exported_texinfos.back();
memset(dest, 0, sizeof(dest));
dest->flags = static_cast<int32_t>(src->flags & TEX_SPECIAL);
@ -107,8 +107,9 @@ ExportMapTexinfo(int texinfonum)
dest->vecs[j][k] = src->vecs[j][k];
}
}
// FIXME-Q2: fill in other attributes
src->outputnum = i;
src->outputnum = i;
return i;
}
@ -122,7 +123,7 @@ ExportClipNodes
static int
ExportClipNodes_BSP29(mapentity_t *entity, node_t *node)
{
bsp29_dclipnode_t *clipnode;
bsp2_dclipnode_t *clipnode;
face_t *face, *next;
// FIXME: free more stuff?
@ -186,7 +187,7 @@ static void
ExportLeaf_BSP29(mapentity_t *entity, node_t *node)
{
map.exported_leafs_bsp29.push_back({});
bsp29_dleaf_t *dleaf = &map.exported_leafs_bsp29.back();
mleaf_t *dleaf = &map.exported_leafs_bsp29.back();
dleaf->contents = RemapContentsForExport(node->contents);
AssertVanillaContentType(dleaf->contents);
@ -220,6 +221,8 @@ ExportLeaf_BSP29(mapentity_t *entity, node_t *node)
}
dleaf->nummarksurfaces =
static_cast<int>(map.exported_marksurfaces.size()) - dleaf->firstmarksurface;
// FIXME-Q2: fill in other things
}
/*
@ -230,7 +233,7 @@ ExportDrawNodes
static void
ExportDrawNodes_BSP29(mapentity_t *entity, node_t *node)
{
bsp29_dnode_t *dnode;
bsp2_dnode_t *dnode;
int i;
const size_t ourNodeIndex = map.exported_nodes_bsp29.size();
@ -295,7 +298,7 @@ void
ExportDrawNodes(mapentity_t *entity, node_t *headnode, int firstface)
{
int i;
dmodelq1_t *dmodel;
dmodelh2_t *dmodel;
// populate model struct (which was emitted previously)
dmodel = &map.exported_models.at(static_cast<size_t>(entity->outputmodelnumber));
@ -338,7 +341,7 @@ BeginBSPFile(void)
// Leave room for leaf 0 (must be solid)
map.exported_leafs_bsp29.push_back({});
map.exported_leafs_bsp29.back().contents = CONTENTS_SOLID;
map.exported_leafs_bsp29.back().contents = CONTENTS_SOLID; // FIXME-Q2: use Q2_CONTENTS_SOLID
Q_assert(map.exported_leafs_bsp29.size() == 1);
}