Struct ShopInventory 

pub struct ShopInventory {
    pub shop_id: String,
    pub shop_name: String,
    pub faction_id: String,
    pub region_id: String,
    pub tax_system: TaxSystem,
    /* private fields */
}

A merchant’s shop with items, buying, selling, and restocking.

Fields

shop_id: String

shop_name: String

faction_id: String

region_id: String

Region the shop is in (for tax purposes).

tax_system: TaxSystem

Implementations

impl ShopInventory

pub fn new( shop_id: impl Into<String>, shop_name: impl Into<String>, faction_id: impl Into<String>, region_id: impl Into<String>, ) -> Self

pub fn add_item(&mut self, item: ShopItem)

Add or replace an item in the shop.

pub fn get_item(&self, item_id: &str) -> Option<&ShopItem>

Get a shop item by id.

pub fn all_items(&self) -> Vec<&ShopItem>

All items in the shop.

pub fn buy( &mut self, item_id: &str, qty: u32, player_currency: &mut Currency, player_rep: f32, ) -> Result<Currency, String>

Player buys qty units of item_id from the shop.

player_currency is modified in place. Returns Ok(total_cost) or Err with a description.

pub fn sell( &mut self, item_id: &str, qty: u32, player_currency: &mut Currency, ) -> Result<Currency, String>

Player sells qty units of item_id to the shop.

player_currency is credited the buy-back price. Returns Ok(total_received) or Err with a description.

pub fn restock(&mut self, dt: f32, current_time: f32)

Advance time, restocking items that have restock_rate > 0.

Trait Implementations

impl Clone for ShopInventory

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ShopInventory

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.