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qbsp: exportobj: re-add bspbrush_t::container version

This commit is contained in:
Eric Wasylishen 2022-10-23 00:45:43 -06:00
parent 9ff0752ad1
commit ba3befca9b
2 changed files with 25 additions and 13 deletions
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4
include/qbsp/exportobj.hh
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@ -23,12 +23,12 @@
#include <vector>
#include <string>
#include <qbsp/brush.hh>
struct face_t;
struct bspbrush_t;
struct node_t;
void ExportObj_Faces(const std::string &filesuffix, const std::vector<const face_t *> &faces);
void ExportObj_Brushes(const std::string &filesuffix, const std::vector<const bspbrush_t *> &brushes);
void ExportObj_Brushes(const std::string &filesuffix, const bspbrush_t::container &brushes);
void ExportObj_Nodes(const std::string &filesuffix, const node_t *nodes);
void ExportObj_Marksurfaces(const std::string &filesuffix, const node_t *nodes);

34
qbsp/exportobj.cc
View File

@ -54,9 +54,8 @@ static std::ofstream InitMtlFile(const std::string &filesuffix)
return file;
}
static void ExportObjFace(std::ofstream &f, const face_t *face, int *vertcount)
static void ExportObjFace(std::ofstream &f, std::string_view mtlname, const winding_t &w, const maptexinfo_t &texinfo, int *vertcount)
{
const maptexinfo_t &texinfo = face->get_texinfo();
const char *texname = map.miptexTextureName(texinfo.miptex).c_str();
const auto &texture = map.load_image_meta(texname);
@ -64,8 +63,8 @@ static void ExportObjFace(std::ofstream &f, const face_t *face, int *vertcount)
const int height = texture ? texture->height : 64;
// export the vertices and uvs
for (int i = 0; i < face->w.size(); i++) {
const qvec3d &pos = face->w[i];
for (int i = 0; i < w.size(); i++) {
const qvec3d &pos = w[i];
fmt::print(f, "v {:.9} {:.9} {:.9}\n", pos[0], pos[1], pos[2]);
qvec3d uv = texinfo.vecs.uvs(pos, width, height);
@ -74,18 +73,19 @@ static void ExportObjFace(std::ofstream &f, const face_t *face, int *vertcount)
fmt::print(f, "vt {:.9} {:.9}\n", uv[0], -uv[1]);
}
// fixme-brushbsp
fmt::print(f, "usemtl contents{}\n", face->contents.native);
if (!mtlname.empty()) {
fmt::print(f, "usemtl {}\n", mtlname);
}
f << 'f';
for (int i = 0; i < face->w.size(); i++) {
for (int i = 0; i < w.size(); i++) {
// .obj vertexes start from 1
// .obj faces are CCW, quake is CW, so reverse the order
const int vertindex = *vertcount + (face->w.size() - 1 - i) + 1;
const int vertindex = *vertcount + (w.size() - 1 - i) + 1;
fmt::print(f, " {}/{}", vertindex, vertindex);
}
f << '\n';
*vertcount += face->w.size();
*vertcount += w.size();
}
static void WriteContentsMaterial(std::ofstream &mtlf, contentflags_t contents, float r, float g, float b)
@ -120,11 +120,23 @@ void ExportObj_Faces(const std::string &filesuffix, const std::vector<const face
int vertcount = 0;
for (const face_t *face : faces) {
ExportObjFace(objfile, face, &vertcount);
std::string mtlname = fmt::format("contents{}\n", face->contents.native);
ExportObjFace(objfile, mtlname, face->w, face->get_texinfo(), &vertcount);
}
}
void ExportObj_Brushes(const std::string &filesuffix, const std::vector<const bspbrush_t *> &brushes) { }
void ExportObj_Brushes(const std::string &filesuffix, const bspbrush_t::container &brushes)
{
std::ofstream objfile = InitObjFile(filesuffix);
int vertcount = 0;
for (auto &brush : brushes) {
for (auto &side : brush->sides) {
ExportObjFace(objfile, {}, side.w, side.get_texinfo(), &vertcount);
}
}
}
static void ExportObj_Nodes_r(const node_t *node, std::vector<const face_t *> *dest)
{