tarinai/js/item_update_policy.js

"use strict";

// Layer: entity-runtime/items/policy
// Owns the item update cadence and scheduled-item candidate set. Simulation
// helpers and the item scheduler both read this single policy instead of
// duplicating item-type timing rules.
(function (global) {
  const REALTIME_ITEM_TYPES = new Set(["ball", "balloon", "fan", "genkotsu", "firecracker", "flame_firecracker", "sticky_bomb", "robot_cleaner"]);
  const PIN_ITEM_TYPES = new Set(["pushpin", "oshibyo"]);
  const SCHEDULED_ITEM_TYPES = Object.freeze([
    "ball", "balloon", "fan", "genkotsu", "firecracker", "flame_firecracker", "sticky_bomb", "fire", "pushpin", "oshibyo",
    "plushie", "grass_bed", "zunchi", "robot_cleaner", "duplicator", "water", "trace", "splat", "ant_corpse", "food",
    "sweet", "love_mochi", "fight_mochi", "sleep_drug", "laxative", "protein", "niteropu", "ammo", "mystery_drug", "mercury", "giant_drug", "dwarf_drug", "zunda_juice",
    "stone", "bed", "nest_box", "pipe", "ant_nest", "signboard", "fence_v", "fence_h", "bounce_fence", "bounce_fence_v", "gate_fence", "rotator", "poison_block", "reciprocator", "rope", "rod",
  ]);

  function mobilePerfHint() {
    return Boolean(global.TarinaiInputMode.snapshot().touchFirst || (global.innerWidth || 9999) <= 760);
  }

  function itemUpdateInterval(item) {
    if (!item || item.dead) return Infinity;
    const mobile = mobilePerfHint();
    // Mechanical bodies and links are owned by the central physics step.
    // Keeping them out of the per-item scheduler prevents N independent
    // collision passes and makes future physics-format changes cheaper.
    if (item.type === "rotator" || item.type === "reciprocator" || item.type === "poison_block" || item.type === "rope" || item.type === "rod") return Infinity;
    if (REALTIME_ITEM_TYPES.has(item.type)) return 0;
    if (PIN_ITEM_TYPES.has(item.type)) return 0;
    if (item.isStructure && item.type === "plushie") return 0;
    if (item.isStructure && item.type === "grass_bed") return 3.0;
    if (item.type === "fire") {
      const fireCount = item.world?.itemsOfType?.("fire")?.length || 0;
      if (fireCount > 64) return mobile ? 0.55 : 0.35;
      if (fireCount > 36) return mobile ? 0.42 : 0.25;
      return mobile ? 0.30 : 0.18;
    }
    if (item.type === "nest_box" && global.TarinaiItemDynamicToolSystem?.nestBoxFireActive?.(item)) return mobile ? 0.30 : 0.18;
    if ((item.dropTimer || 0) > 0 || Math.hypot(item.vx || 0, item.vy || 0) > 0.08) return 0;
    if (item.type === "zunchi" && (item.burning || (item.burnTimer || 0) > 0.02)) return mobile ? 0.30 : 0.18;
    if (item.type === "zunchi") {
      const groundId = item.world?.groundType || (typeof world !== "undefined" ? world?.groundType : "") || "soil";
      const decayMul = Number(global.TarinaiGround?.zunchiDecayMultiplier?.(groundId) || 1) || 1;
      // High-decay grounds need a shorter update cadence; otherwise the amount
      // changes only once every few seconds and the laboratory effect looks idle.
      if (decayMul >= 100) return mobile ? 0.18 : 0.12;
      if (decayMul > 1.01) return mobile ? 0.42 : 0.28;
      return 2.4;
    }
    if (item.type === "grass") return Infinity;
    if (item.type === "duplicator") return mobile ? 0.8 : 0.5;
    if (item.type === "water") return mobile ? 2.4 : 1.8;
    if (item.type === "trace" || item.type === "splat") return mobile ? 1.8 : 1.2;
    if (item.type === "ant_corpse") return 3.5;
    if (typeof global.isServingFoodType === "function" && global.isServingFoodType(item.type)) return 5.0;
    if (isServingFoodType(item.type)) return 5.0;
    return Infinity;
  }

  function ensureBuckets(worldRef) {
    if (worldRef?.ensureItemBuckets) worldRef.ensureItemBuckets("item-update-policy");
  }

  function forScheduledItems(worldRef, visitor) {
    if (!worldRef || typeof visitor !== "function") return 0;
    let count = 0;
    if (!worldRef.itemsOfType) {
      for (const it of worldRef.items || []) {
        if (!it || it.dead || it.type === "grass") continue;
        visitor(it);
        count += 1;
      }
      return count;
    }
    ensureBuckets(worldRef);
    for (const type of SCHEDULED_ITEM_TYPES) {
      const bucket = worldRef.itemsOfType(type);
      for (const it of bucket || []) {
        if (!it || it.dead) continue;
        visitor(it);
        count += 1;
      }
    }
    return count;
  }

  function candidateItems(worldRef) {
    const out = [];
    forScheduledItems(worldRef, (item) => out.push(item));
    return out;
  }


  global.TarinaiItemUpdatePolicy = Object.freeze({
    itemUpdateInterval,
    forScheduledItems,
    ensureBuckets,
    candidateItems,
  });
})(typeof window !== "undefined" ? window : globalThis);