/// <summary>
/// Stop spawning enemies immediatley (The current wave will be abandoned and the next call to startWave will advance to the next wave)
/// </summary>
public override void stopSpawning()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Stop spawning
StopCoroutine(waveRountine());
}
/// <summary>
/// Begin spawning enemies using the wave settings (Called automatically if playOnStart is true)
/// </summary>
public override void startSpawning()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Run the coroutine
StartCoroutine(waveRountine());
}
// Methods
/// <summary>
/// Called by unity on startup.
/// </summary>
protected override void Start()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Find all spawn points
findSpawns();
base.Start();
}
// Methods
private void Start()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Launch spawn routine immediatley
if (playOnStart == true)
{
startSpawning();
}
}
public void spawnableDestroyed(GameObject instance)
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Make sure we are destroying an enemy
if (enemyList.Contains(instance) == true)
{
// Remove from the list
enemyList.Remove(instance);
}
}
/// <summary>
/// Selects an appropraite enemyinfo from the collection based on the current settings.
/// </summary>
/// <returns>An appropriate enemyinfo</returns>
public virtual SpawnableInfo selectEnemy()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Check for empty enemies
if (enemies.Length == 0)
{
Debug.LogError("Failed to spawn an enemy because the enemy manager does not contain any enemies");
return(null);
}
float accumulator = 0;
// FInd the total spawn chance value
foreach (SpawnableInfo info in enemies)
{
accumulator += info.spawnChance;
}
// Select a random value
float value = Random.Range(0, accumulator);
// Reset the accumulator
accumulator = 0;
// Find the selected enemy
foreach (SpawnableInfo info in enemies)
{
// Add to the accumulator
accumulator += info.spawnChance;
// Check if we have found the best match
if (value < accumulator)
{
return(info);
}
}
// Default index
return(enemies[0]);
}
/// <summary>
/// Resets the wave manager to the first round without starting spwning.
/// </summary>
public void reset(bool keepState = false)
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Reset values
activeWave = null;
currentIndex = 0;
// Should we keep the wave state
if (keepState == false)
{
currentWave = 0;
spawnedCount = 0;
}
}
/// <summary>
/// Returns an instance of the spawn info class representing a free spawn point at the time of calling this method.
/// This can be used to access the location and rotation of the spawn point for manual spawning.
/// </summary>
/// <returns>An instance of the spawn info class representing a specific spawn location</returns>
public override SpawnInfo getSpawnInfo()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Select a spawn using the spawn mode
ISpawn spawn = this.selectSpawn(spawnMode);
// Check for null
if (spawn == null)
{
return(null);
}
// Get the spawn info
return(spawn.getSpawnInfo());
}
/// <summary>
/// Get the spawn info for this spawn point.
/// </summary>
/// <returns>An instance of the spawn info class representing this spawn points location and orientation</returns>
public override SpawnInfo getSpawnInfo()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Check for cached info
if (cachedInfo != null)
{
return(cachedInfo);
}
// Create a new spawn info
cachedInfo = new SpawnInfo(this, transform);
// Get the info
return(cachedInfo);
}
// Methods
/// <summary>
/// Attempt to spawn an item using the current settings.
/// </summary>
/// <returns>The transform of the spawned item</returns>
public override Transform spawn()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Make sure we can spawn
if (IsSpawnFree == false)
{
// Spawn failed
invokeSpawnFailedEvent();
return(null);
}
// Create the spawner object
Transform instance = this.createSpawnableInstance();
// Check for error
if (instance == null)
{
// Spawn failed
invokeSpawnFailedEvent();
return(null);
}
// Get the spawn info
SpawnInfo info = getSpawnInfo();
// Spawn the item
info.spawnObjectAt(instance);
// Success
invokeSpawnedEvent(instance);
return(instance);
}
// Methods
private void Start()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
if (spawnManager == null)
{
Debug.LogError("Wave manager has not been setup correctly. Make sure that the spawn manager field is assigned");
enabled = false;
return;
}
// Launch wave immediatley
if (playOnStart == true)
{
startSpawning();
}
}
// Methods
/// <summary>
/// Attempts to create an instance of a spawnable object.
/// </summary>
/// <returns></returns>
public override GameObject createSpawnable()
{
// Only allow the server to spawn
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Select the enemy type for spawning
SpawnableInfo info = selectEnemy();
// Check for error
if (info == null)
{
return(null);
}
// Spawn the enemy
#if ULTIMATE_SPAWNER_POOLED == true
// Reuse a pooled instance from the pool
GameObject instance = UltimatePool.spawn(info.prefab);
#else
// Create the instance
GameObject instance = Instantiate(info.prefab);
#endif
// Spawn the instance on remote clients
#if ULTIMATE_SPAWNER_NETWORKED == true
// Spawn on server
NetworkServer.Spawn(instance);
#endif
// Store the enemy in a list
enemyList.Add(instance);
return(instance);
}
/// <summary>
/// Iterates through all spawn points associated with this area and returns true if one or more of the spawn points are un-occupied and can spawn.
/// </summary>
/// <returns>True is there is atleast one spawn point that can spawn an object</returns>
public override bool canSpawn()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Make sure our spawn is correctly setup
if (this.isValidConfiguration() == false)
{
return(false);
}
// Check if the area is active
if (collidingObjects.Count == 0 && collidingObjects2D.Count == 0)
{
if (alwaysActive == false)
{
return(false);
}
}
// Make sure there is atleat 1 free spawn
foreach (ISpawn spawnPoint in this)
{
// Check if we can spawn an object at this location
if (spawnPoint.canSpawn() == true)
{
// There is a free spawn point in this area
return(true);
}
}
// Failed to find a spawn
return(false);
}
/// <summary>
/// Returns true if the spawn manager is able to spawn an item at any location otherwise false.
/// </summary>
/// <returns>True if there is a spawn available</returns>
public override bool canSpawn()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Make sure there is atleat 1 free spawn
foreach (ISpawn spawnPoint in this)
{
// Check if we can spawn an object at this location
if (spawnPoint.canSpawn() == true)
{
// There is a free spawn point in this area
return(true);
}
}
// Failed to find a spawn
return(false);
}
/// <summary>
/// Is the spawn point able to spawn an item.
/// </summary>
/// <returns>True if the spawn point can spawn an item</returns>
public override bool canSpawn()
{
#if ULTIMATE_SPAWNER_NETWORKED == true
if (isServer == false)
{
NetError.raise();
}
#endif
// Make sure our spawn is correctly setup
if (this.isValidConfiguration() == false)
{
return(false);
}
// Check for trival case
if (performOccupiedCheck == false)
{
return(true);
}
// Allow the user to specify how occupied spawns are detected
switch (occupiedCheckMode)
{
// Use physics overlap sphere to validate the spawn
default:
case OccupiedCheckMode.OverlapSphere:
{
// Get the spawn info
SpawnInfo info = getSpawnInfo();
// Find the center point
Vector3 center = info.SpawnLocation + new Vector3(0, spawnRadius, 0);
// Perform the sphere overlap
Collider[] colliders = Physics.OverlapSphere(center, spawnRadius, 1);
// Iteratre through each collider
foreach (Collider collider in colliders)
{
// The spawn is occupied
if (collider.isTrigger == false)
{
return(false);
}
}
}
break;
case OccupiedCheckMode.OverlapSphere2D:
{
// Get the spawn info
SpawnInfo info = getSpawnInfo();
// Find the center point
Vector3 center = info.SpawnLocation + new Vector3(0, spawnRadius, 0);
// Perform the overlap sphere
Collider2D[] colliders = Physics2D.OverlapCircleAll(center, spawnRadius, 1);
// Iterate though each collider
foreach (Collider2D collider in colliders)
{
// The spawn is occupied
if (collider.isTrigger == false)
{
return(false);
}
}
}
break;
case OccupiedCheckMode.TriggerEnterExit:
{
// Check if the collision list contains any items
if (collidingObjects.Count > 0 || collidingObjects2D.Count > 0)
{
// This spawn point is occupied
return(false);
}
}
break;
}
// The spawn point is not occupied and we can spawn at this location
return(true);
}
