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/player/survival.gd

@@ -37,6 +37,8 @@ var _shelter_left := 0.0
 var _rest_build := 0.0
 ## Food buffs: id -> {name, left (s), stamina_regen, health_regen (multipliers)}.
 var buffs: Dictionary = {}
+var sick := 0.0              ## seconds of food poisoning left (P4): slow stamina, can't eat
+const SICK_SECONDS := 60.0
 var _hurt_cd := 0.0          ## no natural healing for a few seconds after a hit
 var cause := ""              ## what last hurt you, as the death screen says it ("You froze")
 var drain_mult := 1.0        ## hunger and diet drain (a server's difficulty, rules.gd)
@@ -128,7 +130,9 @@ func step(dt: float) -> void:
 		wet = maxf(wet - dt * (3.0 if heat > 0.3 else 1.0), 0.0)   # fires dry you off
 	target = clampf(target, 0.0, MAX)
 	# Warm up faster than you cool down: getting to a fire should feel good.
-	warmth = move_toward(warmth, target, (7.0 if target > warmth else 1.6) * dt)
+	# (Out in a blizzard you lose it twice as fast.)
+	var cool := 1.6 * (2.0 if world.weather.blizzard_chill(sheltered) > 0.0 else 1.0)
+	warmth = move_toward(warmth, target, (7.0 if target > warmth else cool) * dt)
 
 	hunger = maxf(hunger - HUNGER_DRAIN * drain_mult * dt * (1.5 if warmth < 30.0 else 1.0), 0.0)
 
@@ -137,6 +141,7 @@ func step(dt: float) -> void:
 	else:
 		var malnourished := diet_lacking().size() >= 2
 		stamina = minf(stamina + STAMINA_REGEN * (1.5 if rested > 0.0 else 1.0) * buff_mult("stamina_regen")
+			* (0.5 if sick > 0.0 else 1.0)
 			* (0.7 if malnourished else 1.0) * dt, MAX)
 
 	for g in DIET_GROUPS:
@@ -148,6 +153,7 @@ func step(dt: float) -> void:
 		if buffs[id].left <= 0.0:
 			buffs.erase(id)
 	_hurt_cd = maxf(_hurt_cd - dt, 0.0)
+	sick = maxf(sick - dt, 0.0)
 
 	var dmg := 0.0
 	if hunger <= 0.0:
@@ -196,6 +202,8 @@ func _update_statuses() -> void:
 		statuses.append("%s (need %s)" % ["Malnourished" if lacking.size() >= 2 else "Poor diet", ", ".join(need)])
 	elif balanced_diet():
 		statuses.append("Balanced diet")
+	if sick > 0.0:
+		statuses.append("Food poisoning")
 	if sheltered:
 		statuses.append("Sheltered")
 	if cozy:
@@ -230,6 +238,13 @@ func eat(food: Dictionary) -> void:
 func soak() -> void:
 	wet = WET_SECONDS
 
+## Something you ate disagreed with you (raw meat, raw fish): stamina comes
+## back at half speed and you can't keep anything down for a minute.
+func poison() -> void:
+	sick = SICK_SECONDS
+	_update_statuses()
+	changed.emit()
+
 ## After a night's sleep: a little hungrier, dry, warm and rested.
 func after_sleep(seconds: float) -> void:
 	hunger = maxf(hunger - HUNGER_DRAIN * seconds * 0.3, 0.0)
@@ -284,7 +299,7 @@ func add_buff(b: Dictionary) -> void:
 
 func to_data() -> Dictionary:
 	return {"health": health, "stamina": stamina, "hunger": hunger, "warmth": warmth, "wet": wet, "rested": rested,
-		"buffs": buffs.duplicate(true), "diet": diet.duplicate()}
+		"buffs": buffs.duplicate(true), "diet": diet.duplicate(), "sick": sick}
 
 func load_data(d: Dictionary) -> void:
 	health = float(d.get("health", health))
@@ -293,6 +308,7 @@ func load_data(d: Dictionary) -> void:
 	warmth = float(d.get("warmth", warmth))
 	wet = float(d.get("wet", 0.0))
 	rested = float(d.get("rested", 0.0))
+	sick = float(d.get("sick", 0.0))
 	buffs = (d.get("buffs", {}) as Dictionary).duplicate(true)
 	# Older saves have no diet: start it where a new world does.
 	var sd: Dictionary = d.get("diet", {})