Add nil checks on HHGear to rope steps.
--- a/hedgewars/uGearsHandlersRope.pas Tue Dec 16 08:04:18 2014 -0500
+++ b/hedgewars/uGearsHandlersRope.pas Tue Dec 16 14:23:24 2014 -0500
@@ -34,6 +34,12 @@
tX: hwFloat;
begin
HHGear := Gear^.Hedgehog^.Gear;
+ if HHGear = nil then
+ begin
+ DeleteGear(Gear);
+ exit()
+ end;
+
tX:= HHGear^.X;
if WorldWrap(HHGear) and (WorldEdge = weWrap) and
((TestCollisionXwithGear(HHGear, 1) <> 0) or (TestCollisionXwithGear(HHGear, -1) <> 0)) then
@@ -124,6 +130,11 @@
if GameTicks mod 4 <> 0 then exit;
HHGear := Gear^.Hedgehog^.Gear;
+ if HHGear = nil then
+ begin
+ DeleteGear(Gear);
+ exit()
+ end;
tX:= HHGear^.X;
if WorldWrap(HHGear) and (WorldEdge = weWrap) and
@@ -414,6 +425,12 @@
Gear^.Elasticity := Gear^.Elasticity + _1;
HHGear := Gear^.Hedgehog^.Gear;
+ if HHGear = nil then
+ begin
+ DeleteGear(Gear);
+ exit()
+ end;
+
DeleteCI(HHGear);
if (HHGear^.State and gstMoving) <> 0 then