feat: add physical animal care delivery

simulation/economy/VillageEconomy.gd

@@ -141,6 +141,38 @@ func withdraw_to_inventory(npc: SimNPC, item_id: StringName, amount: float) -> f
 	return withdrawn
 
 
+func withdraw_exact_to_inventory(npc: SimNPC, item_id: StringName, amount: float) -> float:
+	if npc == null or not is_finite(amount) or amount <= 0.0:
+		return 0.0
+	var storage := get_storage_for_resource(item_id)
+	if storage == null or storage.get_amount(item_id) < amount:
+		return 0.0
+	return withdraw_to_inventory(npc, item_id, amount)
+
+
+func remove_exact_from_inventory(npc: SimNPC, item_id: StringName, amount: float) -> float:
+	if (
+		npc == null
+		or not is_finite(amount)
+		or amount <= 0.0
+		or npc.get_inventory_amount(item_id) < amount
+	):
+		return 0.0
+	var removed := npc.remove_inventory(item_id, amount)
+	if not is_equal_approx(removed, amount):
+		npc.add_inventory(item_id, removed)
+		return 0.0
+	inventory_changed.emit(npc, item_id, npc.get_inventory_amount(item_id))
+	return removed
+
+
+func restore_to_inventory(npc: SimNPC, item_id: StringName, amount: float) -> void:
+	if npc == null or not is_finite(amount) or amount <= 0.0:
+		return
+	npc.add_inventory(item_id, amount)
+	inventory_changed.emit(npc, item_id, npc.get_inventory_amount(item_id))
+
+
 func consume_npc_food(npc: SimNPC) -> bool:
 	if npc.remove_inventory(SimulationIds.RESOURCE_FOOD, 1.0) < 1.0:
 		npc.hunger = minf(npc.hunger + 5.0, 100.0)