prototype for writing a save
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@ -206,7 +206,11 @@ export class PlayerProgress {
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return skillsAvailable.slice(0, 6);
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}
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getLearnedSkills() {
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getUntrimmedAvailableSkillIds(): number[] {
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return this.#untrimmedSkillsAvailable.map((s) => s.id);
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}
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getLearnedSkills() : Skill[] {
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let learnedSkills = [];
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for (let s of this.#skillsLearned.values()) {
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learnedSkills.push({ id: s });
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@ -214,6 +218,10 @@ export class PlayerProgress {
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return learnedSkills;
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}
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getRawLearnedSkills() : number[] {
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return [...this.#skillsLearned];
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}
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getStats() {
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return { ...this.#stats };
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}
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@ -233,6 +241,10 @@ export class PlayerProgress {
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return this.#thrallsUnlocked.indexOf(thrall.id) != -1;
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}
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getUnlockedThrallIds() : number[] {
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return [...this.#thrallsUnlocked];
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}
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damageThrall(thrall: Thrall, amount: number) {
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if (amount <= 0.0) {
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throw new Error(`damage must be some positive amount, not ${amount}`);
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@ -246,6 +258,10 @@ export class PlayerProgress {
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(this.#thrallDamage[thrall.id] ?? 0.0) + amount;
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}
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getThrallDamage(thrall: Thrall): number {
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return this.#thrallDamage[thrall.id] ?? 0.0;
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}
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getThrallLifeStage(thrall: Thrall): LifeStage {
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let damage = this.#thrallDamage[thrall.id] ?? 0;
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if (damage < 0.5) {
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@ -270,6 +286,10 @@ export class PlayerProgress {
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this.#thrallsObtainedItem.push(thrall.id);
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}
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getThrallObtainedItemIds() : number[] {
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return [...this.#thrallsObtainedItem];
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}
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deliverThrallItem(thrall: Thrall) {
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if (this.#thrallsDeliveredItem.indexOf(thrall.id) != -1) {
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return;
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@ -277,6 +297,10 @@ export class PlayerProgress {
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this.#thrallsDeliveredItem.push(thrall.id);
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}
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getThrallDeliveredItemIds() : number[] {
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return [...this.#thrallsDeliveredItem];
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}
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getThrallItemStage(thrall: Thrall): ItemStage {
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if (this.#thrallsDeliveredItem.indexOf(thrall.id) != -1) {
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return ItemStage.Delivered;
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321
src/save.ts
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321
src/save.ts
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@ -0,0 +1,321 @@
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import { getPlayerProgress } from "./playerprogress"
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import { getStateManager } from "./statemanager";
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import { getThralls } from "./thralls";
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export interface SaveFile {
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version: string;
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revision: number;
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}
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export interface StatCounterV1{
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agi: number;
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int: number;
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cha: number;
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psi: number;
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}
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export interface SaveFileV1 {
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version: "fledgling_save_v1";
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revision: number;
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turn: number;
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name: string;
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thrallTemplateId: number;
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nImprovements: number;
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stats: StatCounterV1;
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talents: StatCounterV1;
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isInPenance: boolean;
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wishId: number; // negative: Wish is absent
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exp: number;
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blood: number;
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itemsPurloined: number;
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skillsLearned: number[];
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untrimmedSkillsAvailableIds: number[];
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thrallsUnlocked: number[];
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thrallDamage: number[]; // 0: thrall is absent or undamaged
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thrallsObtainedItem: number[];
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thrallsDeliveredItem: number[];
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}
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export type SaveSlot = "FLEDGLING_SLOT_1" | "FLEDGLING_SLOT_2";
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/// Checks whether obj is a valid save file, as far as we can tell, and returns
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/// it unchanged if it is, or throws an error if it's not valid.
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export function mustBeSaveFileV1(obj: unknown): SaveFileV1 {
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if (obj === undefined || obj === null) {
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throw new Error("nonexistent");
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}
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if (typeof(obj) !== "object") {
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throw new Error(`not an object; was ${typeof(obj)}`);
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}
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if (!("version" in obj)) {
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throw new Error("no magic number");
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}
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if (obj.version !== "fledgling_save_v1") {
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throw new Error(`bad magic number: ${obj.version}`);
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}
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return {
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version: "fledgling_save_v1",
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revision: mustGetNumber(obj, "revision"),
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turn: mustGetNumber(obj, "turn"),
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name: mustGetString(obj, "name"),
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thrallTemplateId: mustGetNumber(obj, "thrallTemplateId"),
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nImprovements: mustGetNumber(obj, "nImprovements"),
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stats: mustGetStatCounterV1(obj, "stats"),
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talents: mustGetStatCounterV1(obj, "talents"),
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isInPenance: mustGetBoolean(obj, "isInPenance"),
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wishId: mustGetNumber(obj, "wishId"),
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exp: mustGetNumber(obj, "exp"),
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blood: mustGetNumber(obj, "blood"),
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itemsPurloined: mustGetNumber(obj, "itemsPurloined"),
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skillsLearned: mustGetNumberArray(obj, "skillsLearned"),
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untrimmedSkillsAvailableIds: mustGetNumberArray(obj, "untrimmedSkillsAvailableIds"),
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thrallsUnlocked: mustGetNumberArray(obj, "thrallsUnlocked"),
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thrallDamage: mustGetNumberArray(obj, "thrallDamage"),
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thrallsObtainedItem: mustGetNumberArray(obj, "thrallsObtainedItem"),
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thrallsDeliveredItem: mustGetNumberArray(obj, "thrallsDeliveredItem"),
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};
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}
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function mustGetNumber(obj: object, key: string) : number {
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if (obj === null || obj === undefined) {
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throw new Error("container absent");
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}
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if (typeof(obj) !== "object") {
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throw new Error(`container was not an object; was ${typeof(obj)}`);
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}
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if (!(key in obj)) {
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throw new Error(`missing number: ${key}`);
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}
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const dict = obj as {[key:string]:any};
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const val = dict[key];
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if (typeof(val) !== "number") {
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throw new Error(`not a number: ${key}: ${val}`);
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}
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return val;
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}
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function mustGetString(obj: object, key: string) : string {
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if (obj === null || obj === undefined) {
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throw new Error("container absent");
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}
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if (typeof(obj) !== "object") {
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throw new Error(`container was not an object; was ${typeof(obj)}`);
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}
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if (!(key in obj)) {
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throw new Error(`missing number: ${key}`);
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}
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const dict = obj as {[key:string]:any};
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const val = dict[key];
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if (typeof(val) !== "string") {
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throw new Error(`not a string: ${key}: ${val}`);
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}
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return val;
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}
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function mustGetStatCounterV1(obj: object, key: string) : StatCounterV1 {
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if (obj === null || obj === undefined) {
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throw new Error("container absent");
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}
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if (typeof(obj) !== "object") {
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throw new Error(`container was not an object; was ${typeof(obj)}`);
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}
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if (!(key in obj)) {
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throw new Error(`missing number: ${key}`);
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}
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const dict = obj as {[key:string]:any};
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const val = dict[key];
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if (typeof(val) !== "object") {
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throw new Error(`not an object: ${key}: ${val}`);
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}
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try {
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return {
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agi: mustGetNumber(val, "agi"),
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int: mustGetNumber(val, "int"),
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cha: mustGetNumber(val, "cha"),
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psi: mustGetNumber(val, "psi"),
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};
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} catch (e) {
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let message = "unrecognizable error";
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if (e instanceof Error) {
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message = e.message;
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}
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throw new Error(`reading ${key}: ${message}`);
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}
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}
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function mustGetBoolean(obj: object, key: string) : boolean {
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if (obj === null || obj === undefined) {
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throw new Error("container absent");
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}
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if (typeof(obj) !== "object") {
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throw new Error(`container was not an object; was ${typeof(obj)}`);
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}
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if (!(key in obj)) {
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throw new Error(`missing number: ${key}`);
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}
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const dict = obj as {[key:string]:any};
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const val = dict[key];
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if (typeof(val) !== "boolean") {
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throw new Error(`not boolean: ${key}: ${val}`);
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}
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return val;
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}
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function mustGetNumberArray(obj: object, key: string) : number[] {
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if (obj === null || obj === undefined) {
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throw new Error("container absent");
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}
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if (typeof(obj) !== "object") {
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throw new Error(`container was not an object; was ${typeof(obj)}`);
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}
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if (!(key in obj)) {
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throw new Error(`missing number: ${key}`);
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}
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const dict = obj as {[key:string]:any};
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const val = dict[key];
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if (typeof(val) !== "object") {
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throw new Error(`not an object: ${key}: ${val}`);
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}
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for (const x of val) {
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if (typeof(x) !== "number") {
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throw new Error(`contained non-number item in ${key}: ${val}`);
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}
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}
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return val;
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}
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/// The result of attempting to load a V1 save file.
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interface SaveFileV1LoadResult {
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// If present and valid, the loaded file.
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file : SaveFileV1 | null;
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/// A file loading error, if any. If `file` is present, this refers
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/// to an error reading from the *other* slot.
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error: string | null;
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/// The slot this file was loaded from, or that a load attempt failed from.
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/// If multiple load attempts failed and none succeeded, this refers to
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/// any one attempted slot.
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slot: SaveSlot;
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}
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function readFromSlot(slot: SaveSlot): SaveFileV1LoadResult {
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var serialized = localStorage.getItem(slot);
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if (serialized === null) {
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return {
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file: null,
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error: null,
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slot: slot,
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};
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}
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try {
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return {
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file: mustBeSaveFileV1(JSON.parse(serialized)),
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error: null,
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slot: slot,
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};
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} catch (e) {
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let message = "unidentifiable error";
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if (e instanceof Error) {
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message = e.message;
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}
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return {
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file: null,
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error: message,
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slot: slot,
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};
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}
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}
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/// Reads the more recent valid save file, if either is valid. If no save files
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/// are present, `file` and `error` will both be absent. If an invalid save
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/// file is discovered, `error` will refer to the issue(s) detected.
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function readBestSave(): SaveFileV1LoadResult {
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const from1 = readFromSlot("FLEDGLING_SLOT_1");
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const from2 = readFromSlot("FLEDGLING_SLOT_2");
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if (from1.file && from2.file) {
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return (from1.file.revision > from2.file.revision) ? from1 : from2;
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}
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var errors : string[] = [];
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if (from1.error) {
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errors = ["slot 1 error: " + from1.error];
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}
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if (from2.error) {
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errors.push("slot 2 error: " + from2.error);
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}
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var msg : string | null = errors.length > 0 ? errors.join("\n") : null;
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if (from1.file) {
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return {
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file: from1.file,
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error: msg,
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slot: "FLEDGLING_SLOT_1",
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};
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}
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return {
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file: from2.file,
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error: msg,
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slot: "FLEDGLING_SLOT_2",
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};
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}
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export function save() {
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const targetSlot : SaveSlot = (readBestSave().slot === "FLEDGLING_SLOT_1") ? "FLEDGLING_SLOT_2" : "FLEDGLING_SLOT_1";
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return saveIntoSlot(targetSlot);
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}
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function extractCurrentState() : SaveFileV1 {
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const progress = getPlayerProgress();
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const stateManager = getStateManager();
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var thrallDamage : number[] = [];
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const nThralls = getThralls().length;
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for (let i = 0; i < nThralls; ++i) {
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thrallDamage.push(progress.getThrallDamage({id: i}));
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}
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return {
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version: "fledgling_save_v1",
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revision: stateManager.nextRevision(),
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turn: stateManager.getTurn(),
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name: progress.name,
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thrallTemplateId: progress.template.id,
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nImprovements: progress.nImprovements,
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stats: {
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agi: progress.getStat("AGI"),
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int: progress.getStat("INT"),
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cha: progress.getStat("CHA"),
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psi: progress.getStat("PSI"),
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},
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talents: {
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agi: progress.getStat("AGI"),
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int: progress.getStat("INT"),
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cha: progress.getStat("CHA"),
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psi: progress.getStat("PSI"),
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},
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isInPenance: progress.isInPenance,
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wishId: progress.getWish()?.id ?? -1,
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exp: progress.getExperience(),
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blood: progress.getBlood(),
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itemsPurloined: progress.getItemsPurloined(),
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skillsLearned: progress.getRawLearnedSkills(),
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untrimmedSkillsAvailableIds: progress.getUntrimmedAvailableSkillIds(),
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thrallsUnlocked: progress.getUnlockedThrallIds(),
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thrallDamage: thrallDamage,
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thrallsObtainedItem: progress.getThrallObtainedItemIds(),
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thrallsDeliveredItem: progress.getThrallDeliveredItemIds(),
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};
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}
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function saveIntoSlot(slot: SaveSlot) {
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localStorage.setItem(slot, JSON.stringify(extractCurrentState()));
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}
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export function wipeSaves() {
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localStorage.removeItem("FLEDGLING_SLOT_1");
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localStorage.removeItem("FLEDGLING_SLOT_2");
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}
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@ -52,6 +52,10 @@ class ThrallsTable {
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}
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return thralls;
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}
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get length(): number {
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return this.#thralls.length;
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}
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}
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export type ThrallData = {
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label: string;
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