99 lines
2 KiB
GDScript
99 lines
2 KiB
GDScript
extends Path3D
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class_name WaveManager
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const PACK_DELAY : float = .15
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@export var level : Level
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var current_wave : Wave
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var current_troop : Troop
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var enemies_to_spawn : int = 0
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var wave : int = 0
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var enemies_alive : int = 0
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@onready var troopTimer : Timer = $TroopTimer
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func _ready() -> void:
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troopTimer.timeout.connect(spawn_troop)
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EventBus.player_defeated.connect(clearLevel)
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EventBus.allowedTowerHasChange.emit.call_deferred(level.allowedTowers)
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func _process(delta: float) -> void:
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if wave > 0 || level.auto_start:
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spawn_manager()
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func spawn_next_wave() -> void:
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if level.waves.is_empty():
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queue_free.call_deferred()
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EventBus.player_has_won.emit()
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return
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current_wave = level.waves.pop_front()
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wave += 1
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EventBus.waveHasChange.emit(wave)
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func spawn_troop() -> void:
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for n in current_troop.number_to_spawn:
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spawnEnemy(n * PACK_DELAY)
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func spawnEnemy(delay : float) -> void:
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var enemy : PathFollow3D = createEnemy()
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if delay > 0:
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var enemyTimer : Timer = createTimer(delay)
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enemyTimer.timeout.connect(
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func():
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add_child(enemy)
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enemyTimer.queue_free()
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)
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add_child(enemyTimer)
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else:
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add_child(enemy)
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enemies_alive += 1
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func createEnemy() -> PathFollow3D :
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var PF3D : PathFollow3D = current_troop.enemy.instantiate()
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var enemy : Enemy = PF3D.find_children("*", "Enemy")[0]
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enemy.died.connect(func(): enemies_alive -= 1)
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return PF3D
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func spawn_manager() -> void:
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if not troopTimer.is_stopped():
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return
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if not current_wave || enemies_alive == 0 && current_wave.troops.is_empty():
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spawn_next_wave()
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return
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current_troop = current_wave.troops.pop_front()
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if not current_troop:
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return
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if current_troop.spawn_delay == 0:
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spawn_troop()
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else:
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troopTimer.start(current_troop.spawn_delay)
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func clearLevel() -> void:
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queue_free()
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func createTimer(delay : float, oneShot = true, autoStart = true) -> Timer :
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var timer : Timer = Timer.new()
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timer.wait_time = delay
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timer.one_shot = oneShot
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timer.autostart = autoStart
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return timer
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