1 files changed, 15 insertions, 1 deletions

diff --git a/src/model/mapfile.cc b/src/model/mapfile.cc
index fd82036..9badc9b 100644
--- a/src/model/mapfile.cc
+++ b/src/model/mapfile.cc
@@ -2045,11 +2045,25 @@ Model * MapFile::load(std::string const &name)
 	model->set_origin(map_center * -1.0f);
 
 	// translate transformed vertex groups
+	size_t frags = 0;
 	for (Model::Groups::iterator git = model->groups().begin(); git != model->groups().end(); git++) {
 		FragmentGroup *fragmentgroup = (*git);
 		fragmentgroup->set_location(fragmentgroup->location() - map_center);
+		frags += fragmentgroup->size();
 	}
 	
+	// set a sane radius if the mapfile is empty
+	if (frags == 0) {
+		const float r = SCALE;
+		model->model_box.assign(
+			math::Vector3f(-r, -r, -r), 
+			math::Vector3f(r, r, r)
+
+		);
+		model->set_radius(model->box().max().length());
+	}
+
+	
 	// translate tags
 	for (Model::Lights::iterator lit = model->lights().begin(); lit != model->lights().end(); lit++) {
 		(*lit)->get_location() -= map_center;
@@ -2074,7 +2088,7 @@ Model * MapFile::load(std::string const &name)
 	for (Model::Weapons::iterator wit = model->weapons().begin(); wit != model->weapons().end(); wit++) {
 		(*wit)->get_location() -= map_center;
 	}
-
+	
 	if (mapfile.warning_q2brush)
 		con_warn <<  mapfile.name() << " quake2 style brushes detected" << std::endl;