- if (byte_val16 > byte_val) {
- byte_val16 -= byte_val;
- if (byte_val16 > ambient_16drop)
- ambient_16drop = byte_val16;
+ if (ambient_shadow) {
+ if (new_shadow) {
+ new_zone = ambient_zone; // don't change while entering shadow
+ ambient_shadow = new_shadow; // update the timeout
+ } else {
+ ambient_shadow--;
+ if (!ambient_shadow) { // leaving the shadow
+ ambient_zone_changed();
+ }
+ }
+ } else if (new_shadow) {
+ ambient_shadow = new_shadow; // set up the timeout
+ new_zone = ambient_zone; // don't change while entering shadow
+ ambient_zone_changed(); // notify others the first time