Add shop supplies and rebalance early economy

progression/player_item_effects.gd

@@ -0,0 +1,142 @@
+class_name PlayerItemEffects
+extends Node
+
+const ItemDataType = preload("res://items/item_data.gd")
+const PlayerBagType = preload("res://inventory/player_bag.gd")
+
+signal effects_changed
+
+const COFFEE_ID: StringName = &"coffee"
+const ENERGY_DRINK_ID: StringName = &"energy_drink"
+const SNACK_ID: StringName = &"snack"
+const FISH_FINDER_ID: StringName = &"fish_finder"
+const COFFEE_DURATION: float = 90.0
+const ENERGY_DRINK_DURATION: float = 90.0
+const SNACK_DURATION: float = 60.0
+const FISH_FINDER_DURATION: float = 120.0
+const COFFEE_MOVEMENT_MULTIPLIER: float = 1.10
+const ENERGY_REEL_MULTIPLIER: float = 1.15
+const SNACK_BARRIER_BONUS: int = 1
+const FISH_FINDER_BITE_MULTIPLIER: float = 0.80
+
+var _remaining: Dictionary[StringName, float] = {
+	COFFEE_ID: 0.0,
+	ENERGY_DRINK_ID: 0.0,
+	SNACK_ID: 0.0,
+	FISH_FINDER_ID: 0.0,
+}
+
+
+func _process(delta: float) -> void:
+	var changed: bool = false
+	for item_id: StringName in _remaining:
+		var previous: float = _remaining[item_id]
+		if previous <= 0.0:
+			continue
+		var next: float = maxf(previous - delta, 0.0)
+		_remaining[item_id] = next
+		if next == 0.0:
+			changed = true
+	if changed:
+		effects_changed.emit()
+
+
+func use_consumable(
+	item: ItemDataType,
+	bag: PlayerBagType,
+) -> bool:
+	if (
+		item == null
+		or bag == null
+		or item.category != ItemDataType.Category.CONSUMABLE
+		or not item.usable
+		or not _remaining.has(item.item_id)
+		or not bag.owns_item(item.item_id)
+	):
+		return false
+	if not bag.remove_item(item.item_id, 1):
+		return false
+	_remaining[item.item_id] = _get_duration(item.item_id)
+	effects_changed.emit()
+	return true
+
+
+func reset_all() -> void:
+	var changed: bool = false
+	for item_id: StringName in _remaining:
+		changed = changed or _remaining[item_id] > 0.0
+		_remaining[item_id] = 0.0
+	if changed:
+		effects_changed.emit()
+
+
+func get_remaining(item_id: StringName) -> float:
+	return maxf(_remaining.get(item_id, 0.0), 0.0)
+
+
+func is_active(item_id: StringName) -> bool:
+	return get_remaining(item_id) > 0.0
+
+
+func get_movement_multiplier() -> float:
+	return COFFEE_MOVEMENT_MULTIPLIER if is_active(COFFEE_ID) else 1.0
+
+
+func get_reel_multiplier() -> float:
+	return ENERGY_REEL_MULTIPLIER if is_active(ENERGY_DRINK_ID) else 1.0
+
+
+func get_barrier_bonus() -> int:
+	return SNACK_BARRIER_BONUS if is_active(SNACK_ID) else 0
+
+
+func get_bite_time_multiplier() -> float:
+	return (
+		FISH_FINDER_BITE_MULTIPLIER
+		if is_active(FISH_FINDER_ID)
+		else 1.0
+	)
+
+
+func get_rarity_weight_multiplier(rarity: int) -> float:
+	if not is_active(FISH_FINDER_ID):
+		return 1.0
+	match rarity:
+		0:
+			return 1.0
+		1:
+			return 1.10
+		2:
+			return 1.15
+		3:
+			return 1.20
+		_:
+			return 1.25
+
+
+func get_feedback(item_id: StringName) -> String:
+	match item_id:
+		COFFEE_ID:
+			return "Coffee active: movement speed increased."
+		ENERGY_DRINK_ID:
+			return "Energy Drink active: reeling speed increased."
+		SNACK_ID:
+			return "Snack active: barrier damage increased."
+		FISH_FINDER_ID:
+			return "Fish Finder active: bites and uncommon catches improved."
+		_:
+			return ""
+
+
+func _get_duration(item_id: StringName) -> float:
+	match item_id:
+		COFFEE_ID:
+			return COFFEE_DURATION
+		ENERGY_DRINK_ID:
+			return ENERGY_DRINK_DURATION
+		SNACK_ID:
+			return SNACK_DURATION
+		FISH_FINDER_ID:
+			return FISH_FINDER_DURATION
+		_:
+			return 0.0