/// <summary>
/// Generates a <see cref="Wave"/> based on the config from <see cref="generationConfig"/>.
/// </summary>
/// <param name="number">The number of the <see cref="Wave"/> to generate.</param>
/// <returns>A <see cref="Wave"/> that was generated based on the <paramref name="number"/>, and the <see cref="generationConfig"/>.</returns>
public Wave GenerateWave(int number, int pointsAvailable)
{
List <EnemySpawnInfo> enemiesToSpawn = new List <EnemySpawnInfo>();
#region Add introduction enemies to the spawn queue
EnemySpawnInfo[] enemiesToIntroduce = GetEnemiesToIntroduce(number);
if (enemiesToIntroduce.Length > 0)
{
enemiesToSpawn.AddRange(enemiesToIntroduce);
for (int i = 0; i < enemiesToIntroduce.Length; i++)
{
pointsAvailable -= enemiesToIntroduce[i].PointsRequiredToSpawn;
}
}
#endregion
while (pointsAvailable > 0)
{
EnemyWaveInfo enemy = GetEnemyBasedOnPoints(pointsAvailable, number);
if (enemy == null)
{
break;
}
#region Check if enemy is already added
EnemySpawnInfo spawnInfo = null;
for (int i = 0; i < enemiesToSpawn.Count; i++)
{
if (enemiesToSpawn[i].EnemyPool == enemy.EnemyPool)
{
spawnInfo = enemiesToSpawn[i];
break;
}
}
#endregion
// Add to spawn amount or add a new enemy entry based on the previous check.
if (spawnInfo == null)
{
enemiesToSpawn.Add(new EnemySpawnInfo(enemy.EnemyPool, enemy.PointsRequiredToSpawn));
}
else
{
spawnInfo.AddToSpawnAmount();
}
pointsAvailable -= enemy.PointsRequiredToSpawn;
}
return(new Wave(number, enemiesToSpawn.ToArray()));
}
private EnemySpawnInfo[] GetEnemiesToIntroduce(int waveNumber)
{
List <EnemySpawnInfo> enemiesToSpawn = new List <EnemySpawnInfo>();
for (int i = 0; i < enemies.Length; i++)
{
if (enemies[i].IntroduceAtWave == waveNumber)
{
EnemySpawnInfo spawnInfo = new EnemySpawnInfo(enemies[i].EnemyPool, enemies[i].PointsRequiredToSpawn);
enemiesToSpawn.Add(spawnInfo);
for (int j = 1; j < enemies[i].IntroductionSpawnAmount; j++)
{
spawnInfo.AddToSpawnAmount();
}
}
}
return(enemiesToSpawn.ToArray());
}
private IEnumerator SpawnWave()
{
int currentEnemyIndex = 0;
while (currentEnemyIndex < currentWave.EnemyCount)
{
EnemySpawnInfo spawnInfo = currentWave.GetEnemy(currentEnemyIndex);
for (int i = 0; i < spawnInfo.SpawnAmount; i++)
{
yield return(new WaitForSeconds(generationConfig.GetRndEnemySpawnDelay()));
GameObject spawnedEnemy = spawner.Spawn(spawnInfo.EnemyPool);
GameEvents.SignalEnemyShipSpawned(spawnedEnemy);
}
currentEnemyIndex++;
}
// Start the next wave after the delay
Invoke(nameof(StartNextWave), generationConfig.NextWaveStartDelay);
}
