private static string SelectEnemyToSpawn(SpawnData spawnData)
{
// Select enemy to spawn
string enemyName;
// Check if any of the arrays are empty (filled with 0's)
bool isMeleeEmpty = Array.TrueForAll(spawnData.MeleeData, data => data.spawnChance == 0);
bool isRangedEmpty = Array.TrueForAll(spawnData.RangedData, data => data.spawnChance == 0);
// If neither is empty, then randomly choose an enemy from either list
if (!isMeleeEmpty && !isRangedEmpty)
{
enemyName = Random.Range(0, 2) == 0
? FindSuitableMeleeEnemy(spawnData)
: FindSuitableRangedEnemy(spawnData);
}
else
{
// If melee is empty, then get an enemy from Ranged and viceversa.
enemyName = isMeleeEmpty
? FindSuitableRangedEnemy(spawnData)
: FindSuitableMeleeEnemy(spawnData);
}
return(enemyName);
}
private static string GetRangedEnemyNameFromMovementProbability(SpawnData spawnData, EnemyType.RangedEnemyType enemyType)
{
RangedMovement rangedMovement = spawnData.RangedMovementProbability.rangedProbabilities.Find(movement =>
movement.enemyType == enemyType);
RangedEnemyTypeToNameContainer nameContainer =
spawnData.NameContainer.rangedEnemyTypeToNameContainer.Find(container =>
container.rangedEnemyType == enemyType);
float randomValue = Random.value;
string enemyName = randomValue < rangedMovement.rushChance ? nameContainer.rangedEnemyNames[0] : nameContainer.rangedEnemyNames[1];
return(enemyName);
}
/// <summary>
/// Spawns enemies. It should spawn 1 enemy on each half of the screen at random positions, every X seconds (GameManager).
/// </summary>
public void SpawnEnemies(SpawnData spawnData)
{
int randomSpawns = Random.Range(1, 1);
for (int i = 0; i < randomSpawns; i++)
{
// Choose enemy
string topEnemy = SelectEnemyToSpawn(spawnData);
string bottomEnemy = SelectEnemyToSpawn(spawnData);
// Spawn the enemies
SpawnEnemy(topEnemy, SpawnEnemyTop);
SpawnEnemy(bottomEnemy, SpawnEnemyBottom);
}
}
private static string FindSuitableRangedEnemy(SpawnData spawnData)
{
bool foundSuitableEnemy = false;
string enemyName = "";
while (!foundSuitableEnemy)
{
int randomIndex = Random.Range(0, spawnData.RangedData.Length);
if (spawnData.RangedData[randomIndex].spawnChance > 0)
{
enemyName = GetRangedEnemyNameFromMovementProbability(spawnData, spawnData.RangedData[randomIndex].enemyType);
foundSuitableEnemy = true;
}
}
return(enemyName);
}
private static string GetMeleeEnemyNameFromMovementProbability(SpawnData spawnData, EnemyType.MeleeEnemyType enemyType)
{
string enemyName;
MeleeMovement meleeMovement = spawnData.MeleeMovementProbability.meleeProbabilities.Find(movement =>
movement.enemyType == enemyType);
MeleeEnemyTypeToNameContainer nameContainer =
spawnData.NameContainer.meleeEnemyTypeToNameContainer.Find(container =>
container.meleeEnemyType == enemyType);
float randomValue = Random.value;
if (randomValue < meleeMovement.rushChance)
{
// Rushing enemy
enemyName = nameContainer.meleeEnemyNames[0];
}
else
{
float increment = meleeMovement.flankChance + meleeMovement.rushChance;
enemyName = randomValue < increment ? nameContainer.meleeEnemyNames[1] : nameContainer.meleeEnemyNames[2];
}
return(enemyName);
}
private void GetSpawnDataFromDifficulty()
{
MeleeEnemySpawnData[] meleeSpawnData = meleeDifficulty.meleeDifficultyLevels[difficultyLevel].meleeEnemySpawnData;
RangedEnemySpawnData[] rangedSpawnData = rangedDifficulty.rangedDifficultyLevels[difficultyLevel].rangedEnemySpawnData;
_spawnData = new SpawnData(meleeSpawnData, rangedSpawnData, meleeMovementProbability, rangedMovementProbability, enemyNamesContainer);
}
