/* Spawns a group of enemies and sets their waypoints. */
void SpawnEnemyGroup(WavePrefabEntry wavePrefabEntry, EnemyWaveModifierType waveModifier)
{
foreach (EnemyGroup group in wavePrefabEntry.enemyGroups)
{
int groupSize = group.groupSize;
/* Apply SWARMING wave modifier, if necessary. */
if (waveModifier == EnemyWaveModifierType.SWARMING)
{
groupSize *= 2;
}
/* Spawn group of enemies. */
foreach (GameObject spawner in spawners)
{
for (int i = 0; i < groupSize; i++)
{
EnemyBaseController newEnemy = Instantiate(group.enemyPrefab);
Vector3 spawnerPosition = spawner.transform.position;
newEnemy.ApplyWaveModifier(waveModifier);
newEnemy.transform.position = spawnerPosition;
newEnemy.transform.Translate(Vector3.back * 0.5f);
newEnemy.setPath(spawner.GetComponent <SpawnerTile> ().pathPoints);
}
}
}
}
/* Gets the next wave. If there are preset waves left, picks the next one.
* Otherwise, returns a random wave. */
EnemyWave GetNextWave()
{
EnemyWave newWave;
if (presetEnemyWaves.Count > 0)
{
newWave = presetEnemyWaves [0];
presetEnemyWaves.RemoveAt(0);
}
else
{
/* Generate a random wave. */
WavePrefabEntry randomEntry = wavePrefabEntries[Random.Range(0, wavePrefabEntries.Length)];
int groupCount = Random.Range(randomEntry.minGroupNumber, randomEntry.maxGroupNumber + 1);
EnemyWaveModifierType modifierType = EnemyWaveModifierType.NONE;
/* Add a modifier if the special wave countdown is up. */
specialWaveCountdown -= 1;
if (specialWaveCountdown <= 0)
{
specialWaveCountdown = Random.Range(minSpecialWaveInterval, maxSpecialWaveInterval + 1);
int randomIndex = Random.Range(1, modifierTypes.Length);
modifierType = modifierTypes [randomIndex];
}
newWave = new EnemyWave(randomEntry.waveType, groupCount, modifierType);
}
return(newWave);
}