qbsp: MakeNodePortal: don't crash if w is empty

for consistency with qbsp3
2022-08-07 01:42:09 -06:00 · 2022-08-07 01:42:09 -06:00 · cf653b5b56
parent 4ec30e02a2
commit cf653b5b56
1 changed files with 3 additions and 0 deletions
--- a/qbsp/portals.cc
+++ b/qbsp/portals.cc
@ -227,6 +227,9 @@ std::unique_ptr<buildportal_t> MakeNodePortal(node_t *node, const std::list<std:

    // clip the portal by all the other portals in the node
    for (auto &p : boundary_portals) {
+        if (!w) {
+            break;
+        }
        qplane3d plane;

        if (p->nodes[0] == node) {