Fix a bug in tangible.build, and add testing code

luprex/cpp/core/world-accessor.cpp

@@ -292,6 +292,7 @@ LuaDefine(tangible_build, "config",
     LS.rawset(mt, "__index", classtab);
     
     tan->anim_queue_.clear(state);
+    tan->update_plane_item();
 
     return LS.result();
 }
@@ -831,7 +832,6 @@ LuaDefine(pprint, "obj1, obj2, ...",
         (*ostream) << std::endl;
     }
     return LS.result();
-
 }
 
 LuaDefine(pprintx, "options",

luprex/lua/login.lua

@@ -42,3 +42,11 @@ function login.cb_p123_nopredict(actor, place, dialog)
     print(3)
     end
 
+function gosomewhere()
+    local a = tangible.actor()
+    tangible.animate(a, {plane="somewhere"})
+    end
+
+function mkt()
+    return tangible.build{class="login", animstate={plane="somewhere", xyz={1,2,3}}}
+    end