stable

js/item_update_policy.js

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+"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", "genkotsu", "firecracker", "fan", "magnet", "rotator"]);
+  const PIN_ITEM_TYPES = new Set(["pushpin", "oshibyo"]);
+  const SCHEDULED_ITEM_TYPES = Object.freeze([
+    "ball", "genkotsu", "firecracker", "pushpin", "oshibyo",
+    "plushie", "grass_bed", "zunchi", "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", "ant_nest", "signboard", "fence_v", "fence_h", "bounce_fence", "bounce_fence_v", "gate_fence", "fan", "magnet", "rotator", "water_bowl",
+  ]);
+
+  function itemUpdateInterval(item) {
+    if (!item || item.dead) 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.dropTimer || 0) > 0 || Math.hypot(item.vx || 0, item.vy || 0) > 0.08) return 0;
+    if (item.type === "zunchi") return 2.4;
+    if (item.type === "grass") return Infinity;
+    if (item.type === "duplicator") return 0.5;
+    if (item.type === "water") return 1.8;
+    if (item.type === "trace" || item.type === "splat") return 1.2;
+    if (item.type === "ant_corpse") return 3.5;
+    if (typeof global.isServingFoodType === "function" && global.isServingFoodType(item.type)) return 5.0;
+    if (typeof isServingFoodType === "function" && 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;
+  }
+
+  function isRealtime(item) {
+    return itemUpdateInterval(item) <= 0;
+  }
+
+  global.TarinaiItemUpdatePolicy = Object.freeze({
+    REALTIME_ITEM_TYPES,
+    PIN_ITEM_TYPES,
+    SCHEDULED_ITEM_TYPES,
+    itemUpdateInterval,
+    forScheduledItems,
+    ensureBuckets,
+    candidateItems,
+    isRealtime,
+  });
+})(typeof window !== "undefined" ? window : globalThis);