112 lines
3.0 KiB
JavaScript
112 lines
3.0 KiB
JavaScript
import { ChaseEnemy } from '../entities/enemies/ChaseEnemy.js';
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import { ShooterEnemy } from '../entities/enemies/ShooterEnemy.js';
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import { SwarmerEnemy } from '../entities/enemies/SwarmerEnemy.js';
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const ENEMY_CLASSES = { ChaseEnemy, ShooterEnemy, SwarmerEnemy };
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const SPAWN_MARGIN = 40;
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export class WaveManager {
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constructor(scene, player) {
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this.scene = scene;
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this.player = player;
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this.zones = [];
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this.zoneIndex = 0;
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this.waveIndex = 0;
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this.enemies = [];
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this.active = false;
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}
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load(data) {
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this.zones = data;
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}
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start() {
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this.active = true;
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this._spawnWave();
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}
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get currentZone() { return this.zones[this.zoneIndex]; }
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get currentWave() { return this.currentZone?.waves[this.waveIndex]; }
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get zoneNum() { return this.zoneIndex + 1; }
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get waveNum() { return this.waveIndex + 1; }
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get totalWaves() { return this.currentZone?.waves.length ?? 0; }
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_spawnWave() {
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const wave = this.currentWave;
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if (!wave) return;
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this.scene.events.emit('wave-start', { zone: this.zoneNum, wave: this.waveNum, totalWaves: this.totalWaves });
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wave.enemies.forEach(({ type, count }) => {
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const EnemyClass = ENEMY_CLASSES[type];
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if (!EnemyClass) return;
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for (let i = 0; i < count; i++) {
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const [x, y] = this._edgePosition();
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const enemy = new EnemyClass(this.scene, x, y, this.player);
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this.enemies.push(enemy);
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}
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});
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}
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_edgePosition() {
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const W = this.scene.scale.width;
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const H = this.scene.scale.height;
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const side = Phaser.Math.Between(0, 3);
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switch (side) {
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case 0: return [Phaser.Math.Between(0, W), -SPAWN_MARGIN];
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case 1: return [W + SPAWN_MARGIN, Phaser.Math.Between(0, H)];
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case 2: return [Phaser.Math.Between(0, W), H + SPAWN_MARGIN];
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case 3: return [-SPAWN_MARGIN, Phaser.Math.Between(0, H)];
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}
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}
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update(delta) {
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if (!this.active) return;
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// Prune dead enemies
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this.enemies = this.enemies.filter(e => e.active);
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// Update living enemies
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this.enemies.forEach(e => e.update(delta));
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// Check wave clear
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if (this.enemies.length === 0) {
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this.active = false;
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this.scene.time.delayedCall(1500, () => this._advance());
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}
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}
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_advance() {
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this.waveIndex++;
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if (this.waveIndex >= this.currentZone.waves.length) {
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// All waves cleared — let the player exit to trigger next zone
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this.scene.events.emit('zone-clear', { zone: this.zoneNum });
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this.scene.events.emit('zone-waves-complete');
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} else {
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this.active = true;
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this._spawnWave();
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}
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}
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/** Called by GameScene after the player exits the screen. */
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startNextZone() {
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this.waveIndex = 0;
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this.zoneIndex++;
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if (this.zoneIndex >= this.zones.length) {
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this.scene.events.emit('victory');
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return;
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}
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this.active = true;
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this._spawnWave();
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}
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reset() {
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this.enemies.forEach(e => { if (e.active) e.destroy(); });
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this.enemies = [];
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this.zoneIndex = 0;
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this.waveIndex = 0;
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this.active = false;
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}
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}
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