more console errors, and print one console error when the class direc…

…tory doesn't exist.

Former-commit-id: ac730a3

src/ein.cpp

@@ -13747,6 +13747,12 @@ void tryToLoadRangeMap(MachineState * ms, std::string classDir, const char *clas
 
   string thisLabelName(className);
 
+  string objectDir = ms->config.data_directory + "/objects/" + thisLabelName;
+  if (! boost::filesystem::exists(objectDir)) {
+    CONSOLE_ERROR(ms, "Could not find " << objectDir << "... loading default empty class.");
+  }
+
+
   {
     string dirToMakePath = ms->config.data_directory + "/objects/" + thisLabelName + "/ein/ir2d/";
     string this_range_path = dirToMakePath + "ir2d.yml";

src/ein_scanning.cpp

@@ -358,7 +358,7 @@ virtual void execute(MachineState * ms)  {
     shared_ptr<Word> bWord = ms->popData();
 
     if (bWord == NULL) {
-      cout << "oops, setClassLabels requires a number of StringWords followed by endArgs..." << endl;
+      CONSOLE_ERROR(ms, "oops, setClassLabels requires a number of StringWords followed by endArgs...");
       ms->clearStack();
       return;
     } else {
@@ -401,7 +401,7 @@ virtual void execute(MachineState * ms)  {
     ms->config.numClasses = ms->config.classLabels.size();
     changeTargetClass(ms, 0);
   } else {
-    cout << "didn't get any valid labels, are you sure this is what you want?" << endl;
+    CONSOLE_ERROR(ms, "didn't get any valid labels, are you sure this is what you want?");
     ms->config.classLabels.resize(0);
     ms->config.classPoseModels.resize(0);
     ms->pushWord("clearBlueBoxMemories");