P4 hazards: food spoilage with rot speed setting, smoking rack and salt, food poisoning, harsher blizzards, hard winters with lake ice, lightning on trees, snow on roofs (protocol 11)

scripts/net/rules.gd

@@ -69,6 +69,11 @@ static func difficulty(k: String) -> float:
 	var d: Variant = v("difficulty")
 	return float(DIFFICULTY.get(String(d) if d != null else "normal", DIFFICULTY.normal)[k])
 
+## How fast food rots: "normal", "slow" (half speed) or "off".
+static func rot() -> String:
+	var r: Variant = v("rot")
+	return String(r) if r != null else "normal"
+
 static func grace_days() -> int:
 	var g: Variant = v("wolf_grace_days")
 	return clampi(int(g), 0, 10) if g != null else 3