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Save system: ceremonial PR #42

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pyrex merged 11 commits from savesystem into main 2025-02-25 04:14:02 +00:00
Conversation 0 Commits 11 Files Changed 8 +1 -154
1 changed files with 1 additions and 154 deletions
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src/save.ts
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@@ -1,7 +1,7 @@
import { getPlayerProgress } from "./playerprogress"; import { getPlayerProgress } from "./playerprogress";
import { getStateManager } from "./statemanager"; import { getStateManager } from "./statemanager";
import { getThralls } from "./thralls"; import { getThralls } from "./thralls";
import { SaveFileV1, StatCounterV1 } from "./saveformat"; import { SaveFileV1, mustBeSaveFileV1 } from "./saveformat";
export interface SaveFile { export interface SaveFile {
version: string; version: string;
@@ -10,159 +10,6 @@ export interface SaveFile {
type SaveSlot = "FLEDGLING_SLOT_1" | "FLEDGLING_SLOT_2"; type SaveSlot = "FLEDGLING_SLOT_1" | "FLEDGLING_SLOT_2";
/// Checks whether obj is a valid save file, as far as we can tell, and returns
/// it unchanged if it is, or throws an error if it's not valid.
export function mustBeSaveFileV1(obj: unknown): SaveFileV1 {
if (obj === undefined || obj === null) {
throw new Error("nonexistent");
}
if (typeof obj !== "object") {
throw new Error(`not an object; was ${typeof obj}`);
}
if (!("version" in obj)) {
throw new Error("no magic number");
}
if (obj.version !== "fledgling_save_v1") {
throw new Error(`bad magic number: ${obj.version}`);
}
return {
version: "fledgling_save_v1",
revision: mustGetNumber(obj, "revision"),
turn: mustGetNumber(obj, "turn"),
name: mustGetString(obj, "name"),
thrallTemplateId: mustGetNumber(obj, "thrallTemplateId"),
nImprovements: mustGetNumber(obj, "nImprovements"),
stats: mustGetStatCounterV1(obj, "stats"),
talents: mustGetStatCounterV1(obj, "talents"),
isInPenance: mustGetBoolean(obj, "isInPenance"),
wishId: mustGetNumber(obj, "wishId"),
exp: mustGetNumber(obj, "exp"),
blood: mustGetNumber(obj, "blood"),
itemsPurloined: mustGetNumber(obj, "itemsPurloined"),
skillsLearned: mustGetNumberArray(obj, "skillsLearned"),
untrimmedSkillsAvailableIds: mustGetNumberArray(
obj,
"untrimmedSkillsAvailableIds",
),
thrallsUnlocked: mustGetNumberArray(obj, "thrallsUnlocked"),
thrallDamage: mustGetNumberArray(obj, "thrallDamage"),
thrallsObtainedItem: mustGetNumberArray(obj, "thrallsObtainedItem"),
thrallsDeliveredItem: mustGetNumberArray(obj, "thrallsDeliveredItem"),
};
}
function mustGetNumber(obj: object, key: string): number {
if (obj === null || obj === undefined) {
throw new Error("container absent");
}
if (typeof obj !== "object") {
throw new Error(`container was not an object; was ${typeof obj}`);
}
if (!(key in obj)) {
throw new Error(`missing number: ${key}`);
}
const dict = obj as { [key: string]: any };
const val = dict[key];
if (typeof val !== "number") {
throw new Error(`not a number: ${key}: ${val}`);
}
return val;
}
function mustGetString(obj: object, key: string): string {
if (obj === null || obj === undefined) {
throw new Error("container absent");
}
if (typeof obj !== "object") {
throw new Error(`container was not an object; was ${typeof obj}`);
}
if (!(key in obj)) {
throw new Error(`missing number: ${key}`);
}
const dict = obj as { [key: string]: any };
const val = dict[key];
if (typeof val !== "string") {
throw new Error(`not a string: ${key}: ${val}`);
}
return val;
}
function mustGetStatCounterV1(obj: object, key: string): StatCounterV1 {
if (obj === null || obj === undefined) {
throw new Error("container absent");
}
if (typeof obj !== "object") {
throw new Error(`container was not an object; was ${typeof obj}`);
}
if (!(key in obj)) {
throw new Error(`missing number: ${key}`);
}
const dict = obj as { [key: string]: any };
const val = dict[key];
if (typeof val !== "object") {
throw new Error(`not an object: ${key}: ${val}`);
}
try {
return {
agi: mustGetNumber(val, "agi"),
int: mustGetNumber(val, "int"),
cha: mustGetNumber(val, "cha"),
psi: mustGetNumber(val, "psi"),
};
} catch (e) {
let message = "unrecognizable error";
if (e instanceof Error) {
message = e.message;
}
throw new Error(`reading ${key}: ${message}`);
}
}
function mustGetBoolean(obj: object, key: string): boolean {
if (obj === null || obj === undefined) {
throw new Error("container absent");
}
if (typeof obj !== "object") {
throw new Error(`container was not an object; was ${typeof obj}`);
}
if (!(key in obj)) {
throw new Error(`missing number: ${key}`);
}
const dict = obj as { [key: string]: any };
const val = dict[key];
if (typeof val !== "boolean") {
throw new Error(`not boolean: ${key}: ${val}`);
}
return val;
}
function mustGetNumberArray(obj: object, key: string): number[] {
if (obj === null || obj === undefined) {
throw new Error("container absent");
}
if (typeof obj !== "object") {
throw new Error(`container was not an object; was ${typeof obj}`);
}
if (!(key in obj)) {
throw new Error(`missing number: ${key}`);
}
const dict = obj as { [key: string]: any };
const val = dict[key];
if (typeof val !== "object") {
throw new Error(`not an object: ${key}: ${val}`);
}
for (const x of val) {
if (typeof x !== "number") {
throw new Error(`contained non-number item in ${key}: ${val}`);
}
}
return val;
}
/// The result of attempting to load a V1 save file. /// The result of attempting to load a V1 save file.
interface SaveFileV1LoadResult { interface SaveFileV1LoadResult {
// If present and valid, the loaded file. // If present and valid, the loaded file.