diff options
Diffstat (limited to 'src/engine/obj.h')
| -rw-r--r-- | src/engine/obj.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/engine/obj.h b/src/engine/obj.h deleted file mode 100644 index 9cdf46a..0000000 --- a/src/engine/obj.h +++ /dev/null @@ -1,191 +0,0 @@ -struct obj; - -struct obj : vertloader<obj> -{ - obj(const char *name) : vertloader(name) {} - - static const char *formatname() { return "obj"; } - static bool animated() { return false; } - bool flipy() const { return true; } - int type() const { return MDL_OBJ; } - - struct objmeshgroup : vertmeshgroup - { - void parsevert(char *s, vector<vec> &out) - { - vec &v = out.add(vec(0, 0, 0)); - while(isalpha(*s)) s++; - loopi(3) - { - v[i] = strtod(s, &s); - while(isspace(*s)) s++; - if(!*s) break; - } - } - - bool load(const char *filename, float smooth) - { - int len = strlen(filename); - if(len < 4 || strcasecmp(&filename[len-4], ".obj")) return false; - - stream *file = openfile(filename, "rb"); - if(!file) return false; - - name = newstring(filename); - - numframes = 1; - - vector<vec> attrib[3]; - char buf[512]; - - hashtable<ivec, int> verthash; - vector<vert> verts; - vector<tcvert> tcverts; - vector<tri> tris; - - #define STARTMESH do { \ - vertmesh &m = *new vertmesh; \ - m.group = this; \ - m.name = meshname[0] ? newstring(meshname) : NULL; \ - meshes.add(&m); \ - curmesh = &m; \ - verthash.clear(); \ - verts.setsize(0); \ - tcverts.setsize(0); \ - tris.setsize(0); \ - } while(0) - - #define FLUSHMESH do { \ - curmesh->numverts = verts.length(); \ - if(verts.length()) \ - { \ - curmesh->verts = new vert[verts.length()]; \ - memcpy(curmesh->verts, verts.getbuf(), verts.length()*sizeof(vert)); \ - curmesh->tcverts = new tcvert[verts.length()]; \ - memcpy(curmesh->tcverts, tcverts.getbuf(), tcverts.length()*sizeof(tcvert)); \ - } \ - curmesh->numtris = tris.length(); \ - if(tris.length()) \ - { \ - curmesh->tris = new tri[tris.length()]; \ - memcpy(curmesh->tris, tris.getbuf(), tris.length()*sizeof(tri)); \ - } \ - if(attrib[2].empty()) \ - { \ - if(smooth <= 1) curmesh->smoothnorms(smooth); \ - else curmesh->buildnorms(); \ - } \ - } while(0) - - string meshname = ""; - vertmesh *curmesh = NULL; - while(file->getline(buf, sizeof(buf))) - { - char *c = buf; - while(isspace(*c)) c++; - switch(*c) - { - case '#': continue; - case 'v': - if(isspace(c[1])) parsevert(c, attrib[0]); - else if(c[1]=='t') parsevert(c, attrib[1]); - else if(c[1]=='n') parsevert(c, attrib[2]); - break; - case 'g': - { - while(isalpha(*c)) c++; - while(isspace(*c)) c++; - char *name = c; - size_t namelen = strlen(name); - while(namelen > 0 && isspace(name[namelen-1])) namelen--; - copystring(meshname, name, min(namelen+1, sizeof(meshname))); - - if(curmesh) FLUSHMESH; - curmesh = NULL; - break; - } - case 'f': - { - if(!curmesh) STARTMESH; - int v0 = -1, v1 = -1; - while(isalpha(*c)) c++; - for(;;) - { - while(isspace(*c)) c++; - if(!*c) break; - ivec vkey(-1, -1, -1); - loopi(3) - { - vkey[i] = strtol(c, &c, 10); - if(vkey[i] < 0) vkey[i] = attrib[i].length() + vkey[i]; - else vkey[i]--; - if(!attrib[i].inrange(vkey[i])) vkey[i] = -1; - if(*c!='/') break; - c++; - } - int *index = verthash.access(vkey); - if(!index) - { - index = &verthash[vkey]; - *index = verts.length(); - vert &v = verts.add(); - v.pos = vkey.x < 0 ? vec(0, 0, 0) : attrib[0][vkey.x]; - v.pos = vec(v.pos.z, -v.pos.x, v.pos.y); - v.norm = vkey.z < 0 ? vec(0, 0, 0) : attrib[2][vkey.z]; - v.norm = vec(v.norm.z, -v.norm.x, v.norm.y); - tcvert &tcv = tcverts.add(); - tcv.tc = vkey.y < 0 ? vec2(0, 0) : vec2(attrib[1][vkey.y].x, 1-attrib[1][vkey.y].y); - } - if(v0 < 0) v0 = *index; - else if(v1 < 0) v1 = *index; - else - { - tri &t = tris.add(); - t.vert[0] = ushort(*index); - t.vert[1] = ushort(v1); - t.vert[2] = ushort(v0); - v1 = *index; - } - } - break; - } - } - } - - if(curmesh) FLUSHMESH; - - delete file; - - return true; - } - }; - - meshgroup *loadmeshes(const char *name, va_list args) - { - objmeshgroup *group = new objmeshgroup; - if(!group->load(name, va_arg(args, double))) { delete group; return NULL; } - return group; - } - - bool loaddefaultparts() - { - part &mdl = addpart(); - const char *pname = parentdir(name); - defformatstring(name1, "packages/models/%s/tris.obj", name); - mdl.meshes = sharemeshes(path(name1), 2.0); - if(!mdl.meshes) - { - defformatstring(name2, "packages/models/%s/tris.obj", pname); // try obj in parent folder (vert sharing) - mdl.meshes = sharemeshes(path(name2), 2.0); - if(!mdl.meshes) return false; - } - Texture *tex, *masks; - loadskin(name, pname, tex, masks); - mdl.initskins(tex, masks); - if(tex==notexture) conoutf(CON_ERROR, "could not load model skin for %s", name1); - return true; - } -}; - -vertcommands<obj> objcommands; - |