Hexen|Debug: Added assertion to catch a crash when opening a swing door

PO_SetDestination() is given a destination angle of -1, which is not a valid fine angle.
skyjake · Jun 27, 2012 · 4a3b633 · 4a3b633
1 parent b21de4a
commit 4a3b633
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/doomsday/plugins/jhexen/src/po_man.c b/doomsday/plugins/jhexen/src/po_man.c
@@ -76,10 +76,11 @@ void PO_StopSequence(Polyobj* po)
     SN_StopSequence((mobj_t*) po);
 }
 
-void PO_SetDestination(Polyobj* po, coord_t dist, uint an, float speed)
+void PO_SetDestination(Polyobj* po, coord_t dist, uint fineAngle, float speed)
 {
-    po->dest[VX] = po->origin[VX] + dist * FIX2FLT(finecosine[an]);
-    po->dest[VY] = po->origin[VY] + dist * FIX2FLT(finesine[an]);
+    assert(fineAngle < FINEANGLES);
+    po->dest[VX] = po->origin[VX] + dist * FIX2FLT(finecosine[fineAngle]);
+    po->dest[VY] = po->origin[VY] + dist * FIX2FLT(finesine[fineAngle]);
     po->speed = speed;
 }