add currency to Player

src/core/game/Game.ts

@@ -8,6 +8,7 @@ import {DonateExecution} from "../execution/DonateExecution"
 
 export type PlayerID = string
 export type Tick = number
+export type Currency = number
 
 export const AllPlayers = "AllPlayers" as const;
 
@@ -185,6 +186,7 @@ export interface Player {
     canSendEmoji(recipient: Player | typeof AllPlayers): boolean
     outgoingEmojis(): EmojiMessage[]
     canDonate(recipient: Player): boolean
+    currency(): Currency
 }
 
 export interface MutablePlayer extends Player {
@@ -209,6 +211,8 @@ export interface MutablePlayer extends Player {
     transitiveTargets(): MutablePlayer[]
     sendEmoji(recipient: Player | typeof AllPlayers, emoji: string): void
     donate(recipient: MutablePlayer, troops: number): void
+    addCurrency(toAdd: Currency): void
+    removeCurrency(toRemove: Currency): void
 }
 
 export interface Game {

src/core/game/PlayerImpl.ts

@@ -1,4 +1,4 @@
-import {MutablePlayer, Tile, PlayerInfo, PlayerID, PlayerType, Player, TerraNullius, Cell, Execution, AllianceRequest, MutableAllianceRequest, MutableAlliance, Alliance, Tick, TargetPlayerEvent, EmojiMessage, EmojiMessageEvent, AllPlayers} from "./Game";
+import {MutablePlayer, Tile, PlayerInfo, PlayerID, PlayerType, Player, TerraNullius, Cell, Execution, AllianceRequest, MutableAllianceRequest, MutableAlliance, Alliance, Tick, TargetPlayerEvent, EmojiMessage, EmojiMessageEvent, AllPlayers, Currency} from "./Game";
 import {ClientID} from "../Schemas";
 import {simpleHash} from "../Util";
 import {CellString, GameImpl} from "./GameImpl";
@@ -18,6 +18,9 @@ class Donation {
 }
 
 export class PlayerImpl implements MutablePlayer {
+
+    private _currency: number
+
     isTraitor_ = false
 
     public _borderTiles: Set<Tile> = new Set();
@@ -263,6 +266,21 @@ export class PlayerImpl implements MutablePlayer {
         this.gs.displayMessage(`Recieved ${renderTroops(troops)} troops from ${this.name()}`, MessageType.SUCCESS, recipient.id())
     }
 
+    currency(): Currency {
+        return this._currency
+    }
+
+    addCurrency(toAdd: Currency): void {
+        this._currency += toAdd
+    }
+
+    removeCurrency(toRemove: Currency): void {
+        if (toRemove > this._currency) {
+            throw Error(`cannot remove ${toRemove} from ${this} because only has ${this._currency}`)
+        }
+        this._currency -= toRemove
+    }
+
     hash(): number {
         return simpleHash(this.id()) * (this.troops() + this.numTilesOwned());
     }