public void update(GameContainer container, int deltaMS) { if (waveStartTime == 0) { waveStartTime = gameWorld.getGameTime(); } if (gameWorld.getGameTime() > nextSpawnTime) { currentWave++; if (currentWave < subGroups.size()) { if (currentWave + 1 < subGroups.size()) { nextSpawnTime = gameWorld.getGameTime() + subGroups.get(currentWave + 1).timoutSinceLastWave; } EnemyGroup currentGroup = subGroups.get(currentWave); for (int a = 0; a < curlevel / 5 + 1; ++a) { spawnEnemies(currentGroup); } } } }