50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
"use strict";
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// Layer: simulation/system-effects
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// Owns frame updates for transient visual/effect entities.
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(function (global) {
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function updateEffect(effect, dt, frameId = 0) {
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if (!effect || effect.dead) return false;
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const runDt = Math.min(0.24, Math.max(0, Number(effect._effectUpdateAccum || 0) + dt));
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effect._effectUpdateAccum = 0;
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effect._effectUpdatedFrame = frameId;
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effect.update(runDt);
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return true;
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}
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function updateEffects(worldRef, dt) {
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const effects = worldRef.effects || [];
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const total = effects.length;
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const frameId = (worldRef._effectUpdateFrameId || 0) + 1;
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worldRef._effectUpdateFrameId = frameId;
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if (total <= 56) {
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for (const ef of effects) updateEffect(ef, dt, frameId);
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worldRef._effectUpdateStats = { total, updated: total, skipped: 0, batched: false };
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return;
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}
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const budget = Math.max(40, Math.ceil(total * 0.42));
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let cursor = Math.max(0, Math.floor(worldRef._effectUpdateCursor || 0)) % total;
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let updated = 0;
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let scanned = 0;
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while (updated < budget && scanned < total) {
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const ef = effects[cursor];
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cursor = (cursor + 1) % total;
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scanned += 1;
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if (!ef || ef.dead) continue;
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updateEffect(ef, dt, frameId);
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updated += 1;
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}
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for (let i = 0; i < total; i += 1) {
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const ef = effects[i];
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if (!ef || ef.dead || ef._effectUpdatedFrame === frameId) continue;
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if (Number.isFinite(ef._effectUpdateAccum)) ef._effectUpdateAccum = Math.min(0.24, ef._effectUpdateAccum + dt);
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else ef._effectUpdateAccum = dt;
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}
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worldRef._effectUpdateCursor = cursor;
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worldRef._effectUpdateStats = { total, updated, skipped: Math.max(0, total - updated), batched: true };
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}
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global.TarinaiEffectsSimulationSystem = Object.freeze({
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phases: Object.freeze({ updateEffects }),
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});
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})(typeof window !== "undefined" ? window : globalThis);
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