A few trillion lines of untested junk, committing now so it doesn't become quadrillions

[xonotic/xonotic-data.pk3dir.git] / qcsrc / common / triggers / trigger / keylock.qh

diff --git a/qcsrc/common/triggers/trigger/keylock.qh b/qcsrc/common/triggers/trigger/keylock.qh
new file mode 100644 (file)
index 0000000..b21145d
--- /dev/null
+++ b/qcsrc/common/triggers/trigger/keylock.qh
@@ -0,0 +1,20 @@
+#ifdef CSQC
+void ent_keylock();
+bool item_keys_usekey(entity l, entity p)
+{
+       float valid = l.itemkeys & p.itemkeys;
+
+       if (!valid) {
+               // other has none of the needed keys
+               return false;
+       } else if (l.itemkeys == valid) {
+               // ALL needed keys were given
+               l.itemkeys = 0;
+               return true;
+       } else {
+               // only some of the needed keys were given
+               l.itemkeys &= ~valid;
+               return true;
+       }
+}
+#endif