74 lines
2.8 KiB
TypeScript
74 lines
2.8 KiB
TypeScript
import type { Location, ShipModel } from "@deadhead/content";
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import { buildContract, standardCargo, type SimContent } from "./board";
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import type { Contract } from "./contract";
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/** The tutorial loaner: the content's company ship (decision 0.5.29). */
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export function loanerModel(content: SimContent): ShipModel {
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const id = content.config.tutorialLoanerShipModelId;
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const loaner = content.shipModels.find((s) => s.id === id);
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if (!loaner) throw new Error(`Content has no loaner ship model "${id}"`);
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return loaner;
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}
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export type TutorialLocationId = "earth" | "moon";
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export interface TutorialBoardInput {
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/** Where the loaner currently is; contracts start here (decision 0.5.3). */
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loanerLocationId: TutorialLocationId;
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/** Tutorial runs already flown; the board is for run `runsCompleted + 1`. */
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runsCompleted: number;
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periodIndex: number;
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}
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function location(id: string, content: SimContent): Location {
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const found = content.locations.find((l) => l.id === id);
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if (!found) throw new Error(`Unknown location ${id}`);
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return found;
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}
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/**
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* The tutorial "company board" (CR-001, Step 10A.3): three Standard contracts
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* from the loaner's location to the other end of the Earth–Moon route, at the
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* light, medium and full mass tiers, each paying the tutorial share. A scripted
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* contract for the upcoming run (decision 0.5.33) replaces the medium slot.
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* The board is fully determined by its inputs.
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*/
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export function generateTutorialBoard(input: TutorialBoardInput, content: SimContent): Contract[] {
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const { loanerLocationId, runsCompleted, periodIndex } = input;
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const { config } = content;
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const origin = location(loanerLocationId, content);
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const destination = location(loanerLocationId === "earth" ? "moon" : "earth", content);
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const tiers = config.tutorialMassTonnes;
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const run = runsCompleted + 1;
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const scripted = content.scriptedTutorialContracts.find((s) => s.run === run);
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const slot = (i: number, massTonnes: number): Contract => {
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const special = i === 1 ? scripted : undefined;
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const cargoType = special
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? content.cargoTypes.find((c) => c.id === special.cargoTypeId)
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: standardCargo(content);
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if (!cargoType) throw new Error(`Unknown cargo ${special?.cargoTypeId}`);
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const contract = buildContract(
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{
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id: `tutorial:${loanerLocationId}:${run}:${periodIndex}:${i}`,
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origin,
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destination,
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cargoType,
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tier: 0,
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massTonnes,
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firstContact: false,
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periodIndex,
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},
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content,
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);
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const share = contract.payout * config.tutorialPayoutShare * (special?.payMultiplier ?? 1);
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return {
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...contract,
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payout: Math.round(share),
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...(special ? { scriptedId: special.id } : {}),
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};
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};
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return [slot(0, tiers.light), slot(1, tiers.medium), slot(2, tiers.full)];
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}
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