124 lines
4.3 KiB
TypeScript
124 lines
4.3 KiB
TypeScript
import { _decorator, CCFloat, CCInteger, Component, Node, Prefab, randomRangeInt } from 'cc';
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import ObjectPool from '../Pool/ObjectPool';
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import { ScoreObject } from '../Environments/ScoreObject';
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import { EventManger } from './EventManger';
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import GameEvent from '../Events/GameEvent';
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import GameState from '../Enum/GameState';
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import Utilities from '../Utilities';
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import ScoreType from '../Enum/ScoreType';
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const { ccclass, property } = _decorator;
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@ccclass('weightedObject')
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class weightedObject {
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@property(Prefab)
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public prefab: Prefab;
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@property(CCInteger)
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public readonly weight = 0;
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@property(CCInteger)
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public weightStepOnGoal = 0;
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@property(CCInteger)
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public maxWeight = 0;
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@property(CCInteger)
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public maxObjects = -1;
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@property({ readonly: true })
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public currentWeight;
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}
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@ccclass('SpawnObjectManager')
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export class SpawnObjectManager extends Component {
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//#region singleton
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private static _instance: SpawnObjectManager = null;
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public static get instance(): SpawnObjectManager {
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return SpawnObjectManager._instance;
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}
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//#endregion
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@property({ type: weightedObject, visible: true })
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private _objects: weightedObject[] = [];
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@property({ type: Node, visible: true })
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private _spawnPoints: Node[] = [];
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@property({ type: CCFloat, visible: true, range: [1, 10], slide: true })
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private _spawnTime;
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private _pools: ObjectPool[] = [];
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private _usedPoints: { [key: string]: Node } = {};
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private _playing = false;
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private _timer = 0;
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private _weights: number[] = [];
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protected onLoad(): void {
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SpawnObjectManager._instance = this;
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EventManger.instance.on(GameEvent.ScoreObjectRelease, this.onObjectRelease, this);
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EventManger.instance.on(GameEvent.GameStateChange, this.onGameStateChange, this);
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EventManger.instance.on(GameEvent.Score, this.onScore, this);
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for (let i = 0; i < this._objects.length; i++) {
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const prefab = this._objects[i].prefab;
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this._pools[i] = new ObjectPool(prefab, 10, true, ScoreObject);
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}
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this._weights = this._objects.map((obj) => {
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obj.currentWeight = obj.weight;
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return obj.currentWeight;
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});
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}
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protected update(dt: number): void {
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if (!this._playing) return;
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this._timer += dt;
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if (this._timer >= this._spawnTime) {
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this._timer = 0;
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this.spawn();
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}
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}
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private spawn() {
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if (Object.keys(this._usedPoints).length == this._spawnPoints.length) return;
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do {
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var [randomPool, index] = Utilities.weightedRandom(this._pools, this._weights);
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} while (this._objects[index].maxObjects != -1 && randomPool.countActive >= this._objects[index].maxObjects);
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do {
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var randomPoint = this._spawnPoints[randomRangeInt(0, this._spawnPoints.length)];
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} while (Object.values(this._usedPoints).indexOf(randomPoint) != -1);
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const obj = randomPool.get(this.node);
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obj.setWorldPosition(randomPoint.worldPosition);
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this._usedPoints[obj.uuid] = randomPoint;
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}
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private onObjectRelease(obj: Node) {
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delete this._usedPoints[obj.uuid];
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}
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private onScore(score: number, type: ScoreType) {
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if (type == ScoreType.Goal) {
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this._objects.forEach((object) => {
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if (object.currentWeight >= object.maxWeight) {
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object.currentWeight = object.maxWeight;
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return;
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}
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object.currentWeight += object.weightStepOnGoal;
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});
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this._weights = this._objects.map((obj) => obj.currentWeight);
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}
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}
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private onGameStateChange(state: GameState) {
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switch (state) {
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case GameState.Init:
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break;
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case GameState.Playing:
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this._playing = true;
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for (let i = 0; i < randomRangeInt(5, 10); i++) {
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this.spawn();
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}
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break;
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case GameState.GameOver:
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this._playing = false;
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this._objects.forEach((object) => (object.currentWeight = object.weight));
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this._pools.forEach((pool) => pool.releaseAll());
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break;
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}
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}
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}
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