Deal with more than one texture option

alangfel · web-flow · commit cc948e4c443a · 2017-05-12T08:34:05.000+02:00
After processing one textureoption like "-s u v w" the next option " -o u v w" has a beginning whitespace. Due to this it does not match to the option "-o" and it is skipped.
diff --git a/tiny_obj_loader.h b/tiny_obj_loader.h
@@ -788,6 +788,7 @@ static bool ParseTextureNameAndOption(std::string *texname,
   const char *token = linebuf;  // Assume line ends with NULL
 
   while (!IS_NEW_LINE((*token))) {
+    token += strspn(token, " \t");  // skip space
     if ((0 == strncmp(token, "-blendu", 7)) && IS_SPACE((token[7]))) {
       token += 8;
       texopt->blendu = parseOnOff(&token, /* default */ true);
@@ -831,7 +832,6 @@ static bool ParseTextureNameAndOption(std::string *texname,
       parseReal2(&(texopt->brightness), &(texopt->contrast), &token, 0.0, 1.0);
     } else {
       // Assume texture filename
-      token += strspn(token, " \t");         // skip space
       size_t len = strcspn(token, " \t\r");  // untile next space
       texture_name = std::string(token, token + len);
       token += len;
