341 lines
12 KiB
JavaScript
341 lines
12 KiB
JavaScript
#!/usr/bin/env node
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import { createHash } from "node:crypto";
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import { readdir, readFile, writeFile } from "node:fs/promises";
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import path from "node:path";
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import {
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pipelineDirectory,
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projectPath,
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projectRoot,
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readJson,
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sourceRootFor,
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} from "./lib/recipe.mjs";
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const recipesDirectory = path.join(pipelineDirectory, "recipes");
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const outputFile = path.join(pipelineDirectory, "snapshots", "runewaker-npc-spell-catalog.json");
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const recipeNames = (await readdir(recipesDirectory))
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.filter((name) => name.endsWith("-population.json"))
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.sort();
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const recipes = await Promise.all(recipeNames.map(async (name) => (
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readJson(path.join(recipesDirectory, name))
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)));
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const sourceRoot = sourceRootFor(recipes[0]);
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const dataRoot = path.join(sourceRoot, recipes[0].source.resourceRoot ?? "Resource", "data");
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const magicCollectFile = path.join(dataRoot, "magiccollectobject.db");
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const magicObjectFile = path.join(dataRoot, "magicobject.db");
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const stringsFile = path.join(dataRoot, "string_enus.db");
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const [magicCollect, magicObject, strings] = await Promise.all([
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readFile(magicCollectFile),
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readFile(magicObjectFile),
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readFile(stringsFile),
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]);
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const DATA_START = 140;
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const COUNT_OFFSET = 132;
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const MAGIC_COLLECT_RECORD_SIZE = 1032;
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const MAGIC_OBJECT_RECORD_SIZE = 992;
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const MAGIC_COLLECT_TYPE = 21;
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const MAGIC_OBJECT_TYPE = 3;
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function sha256(buffer) {
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return createHash("sha256").update(buffer).digest("hex");
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}
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function int32(buffer, offset) {
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return buffer.readInt32LE(offset);
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}
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function float32(buffer, offset) {
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return buffer.readFloatLE(offset);
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}
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function cleanFloat(value) {
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return Number.isFinite(value) ? Number(value.toFixed(6)) : 0;
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}
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function validateCatalog(buffer, recordSize, type, label) {
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const count = int32(buffer, COUNT_OFFSET);
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if (count <= 0 || DATA_START + count * recordSize > buffer.length) {
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throw new Error(label + " has an incompatible record count or size.");
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}
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for (const index of [0, Math.floor(count / 2), count - 1]) {
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if (int32(buffer, DATA_START + index * recordSize + 4) !== type) {
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throw new Error(label + " record layout/type sentinel drifted.");
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}
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}
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return count;
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}
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const stringCache = new Map();
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function stringValue(key) {
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if (stringCache.has(key)) return stringCache.get(key);
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const marker = Buffer.from(key + "\0", "ascii");
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const keyPosition = strings.indexOf(marker);
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if (keyPosition < 0) {
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stringCache.set(key, null);
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return null;
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}
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const start = keyPosition + marker.length;
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const end = Math.min(strings.length - 4, start + 512);
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for (let offset = start; offset < end; offset += 1) {
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const length = strings.readInt32LE(offset);
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if (length < 1 || length > 4001 || offset + 4 + length > strings.length) continue;
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const value = strings.subarray(offset + 4, offset + 3 + length);
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if (strings[offset + 3 + length] !== 0 || value.includes(0)) continue;
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try {
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const result = new TextDecoder("utf-8", { fatal: true }).decode(value).trim() || null;
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stringCache.set(key, result);
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return result;
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} catch {
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// Keep scanning; metadata bytes can resemble a length.
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}
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}
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stringCache.set(key, null);
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return null;
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}
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const magicCollectCount = validateCatalog(
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magicCollect, MAGIC_COLLECT_RECORD_SIZE, MAGIC_COLLECT_TYPE, "MagicCollectObjectDB",
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);
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const magicObjectCount = validateCatalog(
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magicObject, MAGIC_OBJECT_RECORD_SIZE, MAGIC_OBJECT_TYPE, "MagicObjectDB",
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);
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const magicObjectOffsets = new Map();
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for (let index = 0; index < magicObjectCount; index += 1) {
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const offset = DATA_START + index * MAGIC_OBJECT_RECORD_SIZE;
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magicObjectOffsets.set(int32(magicObject, offset), offset);
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}
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const componentCache = new Map();
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function magicComponent(id) {
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if (componentCache.has(id)) return componentCache.get(id);
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const offset = magicObjectOffsets.get(id);
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if (offset === undefined) return null;
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const magicFunc = int32(magicObject, offset + 0xb0);
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const magicType = int32(magicObject, offset + 0xb4);
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const effectType = int32(magicObject, offset + 0xb8);
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const attackType = int32(magicObject, offset + 0x194);
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const damagePower = cleanFloat(float32(magicObject, offset + 0x198));
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const fixedValue = cleanFloat(float32(magicObject, offset + 0x1a0));
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const dotTime = int32(magicObject, offset + 0x184);
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const dotType = int32(magicObject, offset + 0x188);
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const dotBase = int32(magicObject, offset + 0x18c);
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const directHpDamage = magicFunc === 0 && attackType === 0
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&& (damagePower < 0 || fixedValue < 0 || (dotType === 0 && dotTime > 0 && dotBase < 0));
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const result = {
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id,
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name: stringValue("Sys" + int32(magicObject, offset + 0x20) + "_name")
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?? stringValue("Sys" + id + "_name"),
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magicFunc,
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magicType,
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effectType,
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attackType,
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damagePower,
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fixedValue,
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dotTime,
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dotType,
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dotBase,
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summonCreatureId: int32(magicObject, offset + 0x1d0),
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directHpDamage,
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};
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componentCache.set(id, result);
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return result;
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}
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function schoolFor(component) {
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if (component.effectType === 1) return "physical";
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return ["nature", "frost", "fire", "nature", "holy", "shadow"][component.magicType]
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?? "arcane";
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}
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function formulaFor(spellId, component) {
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const magnitude = Math.abs(component.damagePower);
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const powerKind = component.damagePower < 0
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? magnitude <= 4 ? "source-ratio" : "source-points"
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: component.dotBase < 0
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? "dot-only"
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: "unresolved";
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return {
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schemaVersion: 1,
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spellId,
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componentId: component.id,
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spellLevel: 0,
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calculationPath: component.effectType === 1 ? "physical" : "magic",
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powerKind,
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damagePower: component.damagePower,
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fixedValue: component.fixedValue,
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dotBase: component.dotBase,
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runtimeBaselineMultiplier: powerKind === "source-ratio"
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? Math.max(0.2, Math.min(4, magnitude))
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: powerKind === "unresolved" ? 0 : 0.85,
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provenance: {
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sourceFile: "SourceCodeVS2019/Server/NetGameServer/MainProc/MagicProc/MagicProcess.cpp",
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physicalFunctionLine: 3366,
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magicFunctionLine: 3651,
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magicObjectDatabase: "Resource/data/magicobject.db",
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},
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};
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}
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const assignmentsBySpell = new Map();
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for (const recipe of recipes) {
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const snapshot = await readJson(path.resolve(projectRoot, recipe.files.snapshot));
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for (const row of snapshot.rows ?? []) {
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for (const sourceSpell of row.source?.spells ?? []) {
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if (!(Number(sourceSpell.id) > 0)) continue;
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const assignments = assignmentsBySpell.get(Number(sourceSpell.id)) ?? new Map();
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const key = recipe.dungeonId + ":" + row.templateId + ":" + Number(sourceSpell.level ?? 0);
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assignments.set(key, {
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dungeonId: recipe.dungeonId,
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zoneId: recipe.zoneId,
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templateId: row.templateId,
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templateName: row.name,
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sourceLevel: Number(sourceSpell.level ?? 0),
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});
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assignmentsBySpell.set(Number(sourceSpell.id), assignments);
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}
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}
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}
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const luaRoot = path.join(sourceRoot, recipes[0].source.luaRoot ?? "Resource/luascript");
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const luaNames = (await readdir(luaRoot)).filter((name) => name.endsWith(".lua")).sort();
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for (const fileName of luaNames) {
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const source = await readFile(path.join(luaRoot, fileName), "utf8");
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const executableSource = source
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.replace(/--\[\[[\s\S]*?\]\]/g, "")
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.split(/\r?\n/)
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.map((line) => line.replace(/--.*$/, ""))
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.join("\n");
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for (const match of executableSource.matchAll(/\b49\d{4}\b/g)) {
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const spellId = Number(match[0]);
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const assignments = assignmentsBySpell.get(spellId) ?? new Map();
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const key = "lua:" + fileName + ":" + spellId;
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assignments.set(key, {
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sourceKind: "lua-reference",
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sourceFile: fileName,
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});
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assignmentsBySpell.set(spellId, assignments);
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}
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}
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const spells = [];
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for (const [spellId, assignmentMap] of [...assignmentsBySpell].sort((left, right) => left[0] - right[0])) {
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let offset = null;
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const expectedIndex = spellId - 490000;
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if (expectedIndex >= 0 && expectedIndex < magicCollectCount) {
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const candidate = DATA_START + expectedIndex * MAGIC_COLLECT_RECORD_SIZE;
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if (int32(magicCollect, candidate) === spellId) offset = candidate;
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}
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if (offset === null) {
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for (let index = 0; index < magicCollectCount; index += 1) {
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const candidate = DATA_START + index * MAGIC_COLLECT_RECORD_SIZE;
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if (int32(magicCollect, candidate) === spellId) {
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offset = candidate;
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break;
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}
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}
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}
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if (offset === null) {
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spells.push({
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spellId,
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name: "RuneWaker Spell " + spellId,
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mappingStatus: "evidence-only",
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unsupportedReasons: ["MagicCollectObjectDB record is missing."],
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assignments: [...assignmentMap.values()],
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});
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continue;
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}
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const componentIds = new Set();
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for (let componentOffset = 0x180; componentOffset <= 0x2c0; componentOffset += 4) {
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const candidate = int32(magicCollect, offset + componentOffset);
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if (magicObjectOffsets.has(candidate)) componentIds.add(candidate);
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}
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const components = [...componentIds].map(magicComponent).filter(Boolean);
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const damageComponents = components.filter((component) => component.directHpDamage);
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const attackDistance = int32(magicCollect, offset + 0xbc);
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const effectRange = int32(magicCollect, offset + 0xc0);
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const rangeType = int32(magicCollect, offset + 0xc4);
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const sourceCooldownSeconds = int32(magicCollect, offset + 0x108);
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const primaryDamage = damageComponents[0];
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const unsupportedReasons = [];
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if (!components.length) unsupportedReasons.push("No referenced MagicObjectDB components were found.");
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if (!damageComponents.length) {
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unsupportedReasons.push("No component is positively classified as direct HP damage.");
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}
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if (components.length !== damageComponents.length) {
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unsupportedReasons.push(
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(components.length - damageComponents.length)
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+ " non-damage component(s) remain unimplemented.",
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);
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}
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const range = Math.max(4.5, Math.min(30, attackDistance > 0 ? attackDistance * 0.1 : 4.5));
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spells.push({
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spellId,
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name: stringValue("Sys" + int32(magicCollect, offset + 0x20) + "_name")
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?? stringValue("Sys" + spellId + "_name")
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?? "RuneWaker Spell " + spellId,
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mappingStatus: primaryDamage ? "damage-family" : "evidence-only",
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fidelity: primaryDamage
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? "Source identity, damage family, school, range, and cooldown only; coefficients are conservative HealerMan values."
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: "Evidence only; no executable effect is inferred.",
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source: {
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effectType: int32(magicCollect, offset + 0xb4),
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targetType: int32(magicCollect, offset + 0xb8),
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attackDistance,
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effectRange,
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rangeType,
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cooldownSeconds: sourceCooldownSeconds,
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spellTimeSeconds: cleanFloat(float32(magicCollect, offset + 0x114)),
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componentIds: [...componentIds],
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},
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...(primaryDamage ? {
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runtime: {
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delivery: range > 5 ? "projectile" : "melee",
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target: "primary",
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school: schoolFor(primaryDamage),
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animation: range > 5 || primaryDamage.effectType === 0 ? "cast" : "attack",
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range,
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cooldownMs: Math.max(2500, Math.min(20000, sourceCooldownSeconds > 0
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? sourceCooldownSeconds * 1000
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: 6500)),
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damageMultiplier: formulaFor(spellId, primaryDamage).runtimeBaselineMultiplier,
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formula: formulaFor(spellId, primaryDamage),
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},
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} : {}),
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components,
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unsupportedReasons,
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assignments: [...assignmentMap.values()],
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});
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}
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const report = {
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schemaVersion: 1,
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status: "portable",
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generatedFrom: {
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magicCollectObject: projectPath(magicCollectFile),
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magicCollectObjectSha256: sha256(magicCollect),
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magicObject: projectPath(magicObjectFile),
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magicObjectSha256: sha256(magicObject),
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strings: projectPath(stringsFile),
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stringsSha256: sha256(strings),
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layout: "RuneWaker v0.20 fixed records; read-only export",
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},
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spellCount: spells.length,
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damageFamilyCount: spells.filter((spell) => spell.mappingStatus === "damage-family").length,
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evidenceOnlyCount: spells.filter((spell) => spell.mappingStatus === "evidence-only").length,
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safety: {
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runtimeSqlDependency: false,
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unknownEffectsExecute: false,
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coefficientsAreSourceExact: false,
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unavailableNativeInputsDefaulted: false,
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pointValuedDamageUsesLabeledScaledAdapter: true,
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},
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spells,
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};
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await writeFile(outputFile, JSON.stringify(report, null, 2) + "\n", "utf8");
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console.log("[runewaker-spells] exported " + report.spellCount + " referenced spells: "
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+ report.damageFamilyCount + " conservative damage families and "
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+ report.evidenceOnlyCount + " evidence-only records.");
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console.log("[runewaker-spells] " + projectPath(outputFile));
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