Try to make sense of obj's mtl files.
Added --ignoresurfname arg to optimise obj files (where the source object's name is not going to be used for skin files). git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5811 fc73d0e0-1445-4013-8a0c-d673dee63da5
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Spoike
parent
9d2573f708
commit
d855cc6e84
1 changed files with 114 additions and 5 deletions
119
iqm/iqm.cpp
119
iqm/iqm.cpp
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@ -133,6 +133,7 @@ struct filespec
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int endframe;
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meshprop meshprops;
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const char *materialprefix;
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bool ignoresurfname;
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Quat rotate;
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float scale;
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Vec3 translate;
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@ -152,6 +153,7 @@ struct filespec
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endframe = -1;
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meshprops = meshprop();
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materialprefix = NULL;
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ignoresurfname = false;
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rotate = Quat(0, 0, 0, 1);
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scale = 1;
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translate = Vec3(0,0,0);
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@ -1170,6 +1172,14 @@ void makemeshes(const filespec &spec)
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}
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}
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if (spec.ignoresurfname)
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{
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loopv(emeshes)
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{
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emeshes[i].name = getnamekey("");
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}
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}
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loopv(emeshes)
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{
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emesh &em1 = emeshes[i];
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@ -1195,7 +1205,6 @@ void makemeshes(const filespec &spec)
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if(tinfo.empty()) continue;
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mesh &m = meshes.add();
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m.name = sharestring(em1.name);
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if (spec.materialprefix)
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{
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char material[512];
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@ -1204,6 +1213,10 @@ void makemeshes(const filespec &spec)
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}
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else
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m.material = sharestring(em1.material);
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if (!em1.name)
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m.name = sharestring(em1.material);
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else
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m.name = sharestring(em1.name);
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m.firsttri = triangles.length();
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m.firstvert = numfverts+vmap.length();
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maketriangles(tinfo, mmap);
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@ -2557,13 +2570,78 @@ void parseobjvert(char *s, vector<Vec3> &out)
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}
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}
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struct mtlinfo{
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const char *name;
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const char *tex; //often null
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Vec4 rgba; //often 1,1,1,1
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mtlinfo(const char *matname) : name(getnamekey(matname)), tex(NULL),rgba(Vec4(1,1,1,1)) {}
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};
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static vector<mtlinfo> parsemtl(stream *f)
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{
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vector<mtlinfo> ret;
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char buf[512];
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mtlinfo dummy(""), *curmat = &dummy;
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if (f)
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while(f->getline(buf, sizeof(buf)))
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{
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char *c = buf;
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while(isspace(*c)) c++;
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if (*c == '#')
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continue;
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else if(!strncmp(c, "newmtl", 6) && isspace(c[6]))
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{
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while(isalpha(*c)) c++;
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while(isspace(*c)) c++;
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char *name = c;
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size_t namelen = strlen(c);
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while(namelen > 0 && isspace(name[namelen-1])) namelen--;
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name[namelen] = 0;
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curmat = &ret.add(mtlinfo(name));
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}
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else if(!strncmp(c, "Kd", 2) && isspace(c[2]))
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{ //diffuse colours...
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while(isalpha(*c)) c++;
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while(isspace(*c)) c++;
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loopi(3)
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{
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curmat->rgba[i] = strtod(c, &c);
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while(isspace(*c)) c++;
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if(!*c) break;
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}
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}
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else if(!strncmp(c, "D", 1) && isspace(c[1]))
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{ //'disolve', so basically alpha
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while(isalpha(*c)) c++;
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while(isspace(*c)) c++;
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curmat->rgba[3] = strtod(c, &c);
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}
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else if(!strncmp(c, "map_Kd", 6) && isspace(c[6]))
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{
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while(isalpha(*c)) c++;
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while(isspace(*c)) c++;
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char *name = c;
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size_t namelen = strlen(c);
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while(namelen > 0 && isspace(name[namelen-1])) namelen--;
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name[namelen] = 0;
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curmat->tex = getnamekey(name);
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}
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}
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return ret;
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}
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bool parseobj(stream *f)
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{
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vector<Vec3> attrib[3];
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vector<Vec3> attrib[3]; //coord, tangemt, normal.
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char buf[512];
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hashtable<objvert, int> verthash;
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string meshname = "", matname = "";
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string meshname = "", matname = "", tmpname="";
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int curmesh = -1, smooth = 0;
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Vec4 col = {1,1,1,1};
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vector<mtlinfo> mtl;
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while(f->getline(buf, sizeof(buf)))
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{
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@ -2588,15 +2666,42 @@ bool parseobj(stream *f)
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curmesh = -1;
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break;
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}
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case 'm':
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{
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if(strncmp(c, "mtllib", 6)) continue;
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while(isalpha(*c)) c++;
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while(isspace(*c)) c++;
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const char *name = c;
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size_t namelen = strlen(name);
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while(namelen > 0 && isspace(name[namelen-1])) namelen--;
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copystring(tmpname, name, min(namelen+1, sizeof(tmpname)));
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mtl = parsemtl(openfile(tmpname, "r"));
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break;
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}
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case 'u':
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{
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if(strncmp(c, "usemtl", 6)) continue;
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while(isalpha(*c)) c++;
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while(isspace(*c)) c++;
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char *name = c;
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const char *name = c;
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size_t namelen = strlen(name);
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while(namelen > 0 && isspace(name[namelen-1])) namelen--;
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copystring(matname, name, min(namelen+1, sizeof(matname)));
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col = Vec4(1,1,1,1);
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loopv(mtl)
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{ //if its an obj material, swap out the vertex colour+mat name for whatever the mtl file specifies.
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if (!strcmp(matname, mtl[i].name))
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{
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col = mtl[i].rgba;
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const char *tex = mtl[i].tex;
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if (!tex)
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tex = (col[3] < 1)?"whiteskin#VC#BLEND":"whiteskin#VC"; //not me being racist or anything...
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copystring(matname, tex, sizeof(matname));
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break;
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}
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}
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curmesh = -1;
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break;
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}
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@ -2651,6 +2756,7 @@ bool parseobj(stream *f)
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epositions.add(Vec4(vkey.attrib[0] < 0 ? Vec3(0, 0, 0) : attrib[0][vkey.attrib[0]].zxy(), 1));
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if(vkey.attrib[2] >= 0) enormals.add(attrib[2][vkey.attrib[2]].zxy());
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etexcoords.add(vkey.attrib[1] < 0 ? Vec4(0, 0, 0, 0) : Vec4(attrib[1][vkey.attrib[1]].x, 1-attrib[1][vkey.attrib[1]].y, 0, 0));
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ecolors.add(col);
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}
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if(v0 < 0) v0 = *index;
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else if(v1 < 0) v1 = *index;
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@ -5444,6 +5550,8 @@ bool parseanimfield(const char *tok, char **line, filespec &spec, bool defaults)
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spec.noanim = !!strtoul(mystrtok(line), NULL, 0);
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else if (!strcasecmp(tok, "materialprefix"))
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spec.materialprefix = newstring(mystrtok(line));
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else if (!strcasecmp(tok, "ignoresurfname"))
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spec.ignoresurfname = atoi(mystrtok(line));
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else if(!strcasecmp(tok, "start"))
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spec.startframe = max(atoi(mystrtok(line)), 0);
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else if(!strcasecmp(tok, "end"))
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@ -5687,6 +5795,7 @@ int main(int argc, char **argv)
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else if(!strcasecmp(&argv[i][2], "start")) { if(i + 1 < argc) inspec.startframe = max(atoi(argv[++i]), 0); }
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else if(!strcasecmp(&argv[i][2], "end")) { if(i + 1 < argc) inspec.endframe = atoi(argv[++i]); }
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else if(!strcasecmp(&argv[i][2], "scale")) { if(i + 1 < argc) inspec.scale = clamp(atof(argv[++i]), 1e-8, 1e8); }
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else if(!strcasecmp(&argv[i][2], "ignoresurfname")) inspec.ignoresurfname = true;
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else if(!strcasecmp(&argv[i][2], "help")) help();
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else if(!strcasecmp(&argv[i][2], "forcejoints")) forcejoints = true;
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else if(!strcasecmp(&argv[i][2], "meshtrans"))
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@ -5753,8 +5862,8 @@ int main(int argc, char **argv)
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{
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if (outfiles[0])
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{
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inspec.reset();
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infiles.add(inspec).file = outfiles[0];
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inspec.reset();
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outfiles[0] = NULL;
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}
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else
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