not baaad

js/tarinai_seed_factory.js

@@ -0,0 +1,154 @@
+"use strict";
+
+(function (global) {
+  function hashString(value = "") {
+    const str = String(value || "");
+    let h = 2166136261;
+    for (let i = 0; i < str.length; i++) {
+      h ^= str.charCodeAt(i);
+      h = Math.imul(h, 16777619);
+    }
+    return (h >>> 0).toString(36);
+  }
+
+  function createWorldSeed() {
+    const cryptoObj = global.crypto;
+    if (cryptoObj?.getRandomValues) {
+      const buf = new Uint32Array(2);
+      cryptoObj.getRandomValues(buf);
+      return `w${buf[0].toString(36)}${buf[1].toString(36)}`;
+    }
+    return `w${Date.now().toString(36)}${Math.floor(Math.random() * 0xffffffff).toString(36)}`;
+  }
+
+  function ensureWorldSeed(worldRef = null) {
+    if (!worldRef) return createWorldSeed();
+    if (!worldRef.worldSeed) worldRef.worldSeed = createWorldSeed();
+    if (!Number.isFinite(worldRef.birthSerial)) worldRef.birthSerial = 0;
+    return worldRef.worldSeed;
+  }
+
+  function childSeed(worldSeed = "", serial = 0, parentSeeds = []) {
+    const safeSerial = Math.max(0, Math.floor(Number(serial) || 0));
+    const parents = (parentSeeds || []).filter(Boolean).join("+");
+    // 区切りを入れておくと、将来 birthSeed 自体を保存しない形式へ移る時に
+    // birthSerial を安全に取り出せる。
+    return `b${safeSerial.toString(36)}_${hashString(`${worldSeed}|${safeSerial}|${parents}`)}`;
+  }
+
+  function serialFromBirthSeed(seed = "") {
+    const match = /^b([0-9a-z]+)_/i.exec(String(seed || ""));
+    if (!match) return 0;
+    const n = parseInt(match[1], 36);
+    return Number.isFinite(n) && n > 0 ? n : 0;
+  }
+
+  function prepareAddOptions(worldRef, opts = {}) {
+    const next = { ...(opts || {}) };
+    ensureWorldSeed(worldRef);
+    if (!next.birthSeed) {
+      worldRef.birthSerial = Math.max(0, Number(worldRef.birthSerial) || 0) + 1;
+      next.birthSerial = worldRef.birthSerial;
+      const parentSeeds = Array.isArray(next.seedParents)
+        ? next.seedParents.map(p => typeof p === "string" ? p : (p?.birthSeed || p?.familyKey || p?.id || ""))
+        : [];
+      next.birthSeed = childSeed(worldRef.worldSeed, next.birthSerial, parentSeeds);
+    } else {
+      if (!Number.isFinite(next.birthSerial)) {
+        const parsedSerial = serialFromBirthSeed(next.birthSeed);
+        if (parsedSerial > 0) next.birthSerial = parsedSerial;
+      }
+      if (Number.isFinite(next.birthSerial)) {
+        worldRef.birthSerial = Math.max(Number(worldRef.birthSerial) || 0, Number(next.birthSerial) || 0);
+      }
+    }
+    if (!next.familyKey) next.familyKey = next.birthSeed;
+    return next;
+  }
+
+  function seedUnit(seed = "", key = "") {
+    if (typeof stableUnit === "function") return stableUnit(seed, key);
+    return parseInt(hashString(`${seed}:${key}`).slice(0, 6), 36) / (36 ** 6);
+  }
+
+  function seedPick(seed = "", key = "", list = []) {
+    if (!list?.length) return null;
+    const i = Math.min(list.length - 1, Math.floor(seedUnit(seed, key) * list.length));
+    return list[i];
+  }
+
+  function seededName(seed = "") {
+    const len = 2 + Math.floor(seedUnit(seed, "name.len") * 6); // 2..7
+    const hasStop = len >= 2 && seedUnit(seed, "name.stop") < 0.30;
+    const middleLen = Math.max(0, len - 1 - (hasStop ? 1 : 0));
+    let name = "は";
+    for (let i = 0; i < middleLen; i++) name += seedUnit(seed, `name.u.${i}`) < 0.64 ? "う" : "ぅ";
+    if (hasStop) name += "っ";
+    return name;
+  }
+
+  function seededType(seed = "") {
+    const list = typeof spawnableSprites === "function" ? spawnableSprites().map(s => s.id).filter(Boolean) : ["smile"];
+    return seedPick(seed, "sprite.base", list) || "smile";
+  }
+
+  function seededGoodMode(seed = "") {
+    const list = typeof displayNormalSprites === "function" ? displayNormalSprites() : ["smile", "jito", "normal_smirk"];
+    return seedPick(seed, "sprite.good", list) || "smile";
+  }
+
+  function seededPersonality(seed = "") {
+    if (typeof randomBirthPersonality === "function") return randomBirthPersonality(seed);
+    return { aggression: 0, openness: 0, sociability: 0, neuroticism: 0 };
+  }
+
+  function seededGenetics(seed = "") {
+    if (typeof normalizeGenetics === "function") return normalizeGenetics(null, seed);
+    return { lifeSpanMul: 1, attackMul: 1, speedMul: 1, sizeMul: 1 };
+  }
+
+  function seededAdultScale(seed = "", genetics = null) {
+    if (typeof adultScaleFromGenetics === "function") return adultScaleFromGenetics(seed, genetics);
+    return 0.28;
+  }
+
+  function seededLifeSpan(seed = "", genetics = null) {
+    const g = genetics || seededGenetics(seed);
+    const base = 1400 + seedUnit(seed, "life.span") * 800;
+    let span = base * (g.lifeSpanMul || 1);
+    if (span < 900) span = (1200 + seedUnit(seed, "life.span.low") * 600) * (g.lifeSpanMul || 1);
+    return span;
+  }
+
+  function birthProfile(seed = "", opts = {}) {
+    const zunchiSlave = Boolean(opts.isZunchiSlave || opts.zunchiSlaveLocked);
+    const genetics = seededGenetics(seed);
+    const personality = zunchiSlave && typeof zunchiSlavePersonalityValue === "function" ? zunchiSlavePersonalityValue() : seededPersonality(seed);
+    return {
+      birthSeed: seed,
+      name: zunchiSlave ? "ずんちどれい" : seededName(seed),
+      type: zunchiSlave ? "zunchi_slave" : seededType(seed),
+      goodMode: zunchiSlave ? "zunchi_slave" : seededGoodMode(seed),
+      birthPersonality: personality,
+      genetics,
+      adultScale: seededAdultScale(seed, genetics),
+      lifeSpan: seededLifeSpan(seed, genetics),
+    };
+  }
+
+  function personalityArray(seed = "") {
+    const p = birthProfile(seed).birthPersonality || {};
+    return ["aggression", "openness", "sociability", "neuroticism"].map(k => Math.round(((Number(p[k]) || 0) + 1) * 100));
+  }
+
+  global.TarinaiSeedFactory = Object.freeze({
+    createWorldSeed,
+    ensureWorldSeed,
+    childSeed,
+    serialFromBirthSeed,
+    prepareAddOptions,
+    birthProfile,
+    personalityArray,
+    hashString,
+  });
+})(typeof window !== "undefined" ? window : globalThis);