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boardgame-phaser
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refactor(framework): simplify spawner state management 

Consolidate object and data tracking into a single Map in `spawnEffect`
to improve clarity and reduce redundant lookups. Also switch to
type-only
imports for Phaser.
This commit is contained in:
hypercross 2026-04-19 11:00:01 +08:00
parent 648e801dad
commit b0e74a5257
1 changed files with 38 additions and 40 deletions
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26
packages/framework/src/spawner/index.ts
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@ -1,5 +1,6 @@
import Phaser from 'phaser';
import { effect } from '@preact/signals-core';
import { effect } from "@preact/signals-core";
import type Phaser from "phaser";
type GO = Phaser.GameObjects.GameObject;
@ -19,8 +20,7 @@ export interface Spawner<TData, TObject extends GO = GO> {
export function spawnEffect<TData, TObject extends GO = GO>(
spawner: Spawner<TData, TObject>,
): () => void {
const objects = new Map<string, TObject>();
const spawnData = new Map<string, TData>();
const entries = new Map<string, { object: TObject; data: TData }>();
return effect(() => {
const current = new Set<string>();
@ -29,25 +29,23 @@ export function spawnEffect<TData, TObject extends GO = GO>(
const key = spawner.getKey(t);
current.add(key);
const existing = objects.get(key);
const existing = entries.get(key);
if (!existing) {
const obj = spawner.onSpawn(t);
if (obj) {
spawnData.set(key, t);
objects.set(key, obj);
entries.set(key, { object: obj, data: t });
}
} else {
if(spawnData.get(key) === t) continue;
spawner.onUpdate(t, existing);
spawnData.set(key, t);
if (existing.data === t) continue;
spawner.onUpdate(t, existing.object);
existing.data = t;
}
}
for (const [key, obj] of objects) {
for (const [key, entry] of entries) {
if (!current.has(key)) {
spawner.onDespawn(obj, spawnData.get(key)!);
objects.delete(key);
spawnData.delete(key);
spawner.onDespawn(entry.object, entry.data);
entries.delete(key);
}
}
});