+ static int ep_gravity_reachable[] =
+ {
+ EL_SAND,
+ EL_SP_BASE,
+ EL_TRAP,
+ EL_INVISIBLE_SAND,
+ EL_INVISIBLE_SAND_ACTIVE,
+ EL_SP_PORT_LEFT,
+ EL_SP_PORT_RIGHT,
+ EL_SP_PORT_UP,
+ EL_SP_PORT_DOWN,
+ EL_SP_PORT_HORIZONTAL,
+ EL_SP_PORT_VERTICAL,
+ EL_SP_PORT_ANY,
+ EL_SP_GRAVITY_PORT_LEFT,
+ EL_SP_GRAVITY_PORT_RIGHT,
+ EL_SP_GRAVITY_PORT_UP,
+ EL_SP_GRAVITY_PORT_DOWN,
+ EL_SP_GRAVITY_ON_PORT_LEFT,
+ EL_SP_GRAVITY_ON_PORT_RIGHT,
+ EL_SP_GRAVITY_ON_PORT_UP,
+ EL_SP_GRAVITY_ON_PORT_DOWN,
+ EL_SP_GRAVITY_OFF_PORT_LEFT,
+ EL_SP_GRAVITY_OFF_PORT_RIGHT,
+ EL_SP_GRAVITY_OFF_PORT_UP,
+ EL_SP_GRAVITY_OFF_PORT_DOWN,
+ -1
+ };
+