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import * as THREE from 'three';
import { CFG } from './config.js';
import { G } from './globals.js';
import { getTerrainHeight } from './world.js';
import { showWaveBanner } from './hud.js';
import { spawnEnemy } from './enemies.js';
import { spawnAccelerators, spawnInfiniteAmmo } from './pickups.js';
export function startNextWave() {
const waveCount = Math.min(
CFG.waves.baseCount + CFG.waves.perWaveAdd * (G.waves.current - 1),
CFG.waves.maxAlive
);
// Add two wolves on top of base wave enemies
G.waves.spawnQueue = waveCount + 2;
G.waves.nextSpawnTimer = 0;
G.waves.shamansToSpawn = 1; // exactly 1 shaman per wave
G.waves.wolvesToSpawn = 2; // exactly 2 wolves per wave
// Golem spawns on wave 3 and every 3 waves thereafter (3,6,9,...)
const wave = G.waves.current;
G.waves.golemsToSpawn = (wave >= 3 && ((wave - 3) % 3 === 0)) ? 1 : 0;
// Choose a single spawn anchor for this wave (not near the center)
const half = CFG.forestSize / 2;
const margin = 24;
const minR = Math.max(CFG.waves.annulusMin, 40);
const maxR = Math.min(CFG.waves.annulusMax * 2.2, half - margin);
const angle = G.random() * Math.PI * 2;
const r = minR + G.random() * (maxR - minR);
const ax = Math.cos(angle) * r;
const az = Math.sin(angle) * r;
G.waves.spawnAnchor = new THREE.Vector3(ax, getTerrainHeight(ax, az), az);
showWaveBanner(`Wave ${G.waves.current}`);
// Add 2 grenades each wave start (stacking)
G.grenadeCount = (G.grenadeCount || 0) + 2;
// Spawn 0..2 accelerator powerups at random locations
const accelCount = Math.floor(G.random() * 3); // 0,1,2
if (accelCount > 0) spawnAccelerators(accelCount);
// Spawn at least 1 infinite ammo on wave 1 for visibility, then occasionally
const infCount = (G.waves.current === 1) ? 1 : Math.floor(G.random() * 2);
if (infCount > 0) spawnInfiniteAmmo(infCount);
}
export function updateWaves(delta) {
if (G.waves.inBreak) {
G.waves.breakTimer -= delta;
if (G.waves.breakTimer <= 0) {
G.waves.inBreak = false;
G.waves.current++;
startNextWave();
}
return;
}
// Spawn enemies
if (G.waves.spawnQueue > 0 && G.waves.aliveCount < CFG.waves.maxAlive) {
G.waves.nextSpawnTimer -= delta;
if (G.waves.nextSpawnTimer <= 0) {
if (G.waves.golemsToSpawn > 0) {
spawnEnemy('golem');
G.waves.golemsToSpawn--;
} else if (G.waves.shamansToSpawn > 0) {
spawnEnemy('shaman');
G.waves.shamansToSpawn--;
} else if (G.waves.wolvesToSpawn > 0) {
spawnEnemy('wolf');
G.waves.wolvesToSpawn--;
} else {
spawnEnemy('orc');
}
G.waves.spawnQueue--;
const spawnRate = Math.max(
CFG.waves.spawnMin,
CFG.waves.spawnEvery - CFG.waves.spawnDecay * (G.waves.current - 1)
);
G.waves.nextSpawnTimer = spawnRate;
}
}
// Check wave complete
if (G.waves.spawnQueue === 0 && G.waves.aliveCount === 0) {
G.waves.inBreak = true;
G.waves.breakTimer = CFG.waves.breakTime;
}
}
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