Files
Dune/game/sandmaster-worm.ts
T

52 lines
2.5 KiB
TypeScript

import type { Game, GameView } from './engine';
import { splitLocation, validGameLocation } from './board';
import { faction } from './catalog';
import { nativeExpansionLeaderSkillsProfile } from './leader-skill-profile';
import { sandmasterLeader, sandmasterModeSupported } from './sandmaster-movement';
export type SandmasterWormCollection = {
leader: string;
key: string | null;
before: number;
blocked: string | null;
};
/** A worm ride names a destination, not a traversed ground route. */
export function sandmasterWormCollection(
game: Game | GameView,
player: string,
destination: string,
sector: number,
decision: Game['decision'] | GameView['decision'] = game.decision,
): SandmasterWormCollection | null {
const leader = sandmasterLeader(game, player);
if (!leader || game.phase !== 1 || decision?.kind !== 'wormRide' ||
decision.player !== player ||
game.players.find(p => p.id === player)?.faction !== 'fremen') return null;
const blocked = (reason: string): SandmasterWormCollection =>
({ leader, key: null, before: 0, blocked: reason });
if (!sandmasterModeSupported(game) || game.ecazTreachery ||
!(nativeExpansionLeaderSkillsProfile(game) ||
game.players.every(p => faction(p.faction).expansion === 'base')))
return blocked('Sandmaster worm collection with other optional modules is still being integrated.');
if (destination === decision.territory ||
!validGameLocation(game, destination, sector) || sector === game.storm)
return blocked('Choose a different legal destination for the worm ride.');
const piles = Object.entries(game.spice)
.filter(([key]) => splitLocation(key).territory === destination);
if (piles.some(([key, amount]) => {
const at = splitLocation(key);
return !validGameLocation(game, at.territory, at.sector) ||
key !== `${at.territory}:${at.sector}` || !Number.isSafeInteger(amount) || amount < 0;
})) return blocked('Sandmaster needs a valid destination spice pile.');
const positive = piles.filter(([, amount]) => amount > 0);
if (positive.length > 1)
return blocked('Sandmaster collection among multiple spice piles awaits its allocation ruling.');
if (!positive.length) return blocked('There is no spice to collect at this destination.');
const [key, before] = positive[0];
const spice = game.players.find(p => p.id === player)?.spice;
if (!Number.isSafeInteger(spice) || !Number.isSafeInteger(spice! + 1))
return blocked('Sandmaster collection needs a valid spice balance.');
return { leader, key, before, blocked: null };
}