nil-core 0.7.14

Multiplayer strategy game
Documentation 
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// Copyright (C) Call of Nil contributors
// SPDX-License-Identifier: AGPL-3.0-only

pub mod fee;
pub mod vault;

use crate::market::fee::MarketFee;
use crate::market::vault::MarketVault;
use crate::resources::gold::Gold;
use crate::resources::{Food, Iron, Stone, Wood};
use serde::{Deserialize, Serialize};
use std::marker::PhantomData;

#[derive(Clone, Debug, Deserialize, Serialize)]
#[derive_const(Default)]
#[serde(rename_all = "camelCase")]
#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
pub struct Market {
  vault: MarketVault,
  fee: MarketFee,

  // We don't *strictly* need to include the market price here,
  // since it can be derived from the resources themselves.
  // However, including it simplifies things for downstream consumers,
  // as they don't need to query the resources separately to obtain it.
  #[cfg_attr(feature = "typescript", ts(as = "MarketPrice"))]
  #[cfg_attr(
    not(feature = "typescript"),
    serde(skip_deserializing, serialize_with = "serialize_market_price")
  )]
  price: PhantomData<MarketPrice>,
}

impl Market {
  pub const fn new(fee: MarketFee) -> Self {
    Self {
      vault: MarketVault::default(),
      fee: fee.clamped(),
      price: PhantomData,
    }
  }

  #[inline]
  pub const fn vault(&self) -> &MarketVault {
    &self.vault
  }

  pub(crate) const fn vault_mut(&mut self) -> &mut MarketVault {
    &mut self.vault
  }

  #[inline]
  pub const fn fee(&self) -> MarketFee {
    self.fee
  }

  #[inline]
  pub const fn price(&self) -> MarketPrice {
    MarketPrice::default()
  }

  /// Sets the market fee, clamping it to the valid range.
  ///
  /// As the fee is not expected to be changed throughout the game,
  /// this should only be used to execute cheats or for testing purposes.
  pub(crate) const fn set_fee(&mut self, fee: MarketFee) {
    self.fee = fee.clamped();
  }
}

#[derive(Copy, Debug, Deserialize, Serialize)]
#[derive_const(Clone, PartialEq, Eq)]
#[serde(rename_all = "camelCase")]
#[cfg_attr(feature = "typescript", derive(ts_rs::TS))]
pub struct MarketPrice {
  food: Gold,
  iron: Gold,
  stone: Gold,
  wood: Gold,
}

impl MarketPrice {
  pub const fn new() -> Self {
    Self::default()
  }
}

const impl Default for MarketPrice {
  fn default() -> Self {
    Self {
      food: Food::MARKET_PRICE,
      iron: Iron::MARKET_PRICE,
      stone: Stone::MARKET_PRICE,
      wood: Wood::MARKET_PRICE,
    }
  }
}

#[cfg(not(feature = "typescript"))]
fn serialize_market_price<S>(_: &PhantomData<MarketPrice>, serializer: S) -> Result<S::Ok, S::Error>
where
  S: serde::Serializer,
{
  MarketPrice::default().serialize(serializer)
}