126 lines
4.1 KiB
GDScript
126 lines
4.1 KiB
GDScript
class_name PowerUpSpawner extends Node2D
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@export var spawn_interval: float = 5.0
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@export var test_mode: bool = true
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# PackedScene for the pickup template — configure in the scene editor.
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@export var pickup_scene: PackedScene
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@onready var screensize: Vector2 = get_viewport().content_scale_size
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@onready var spawn_timer: Timer = $SpawnTimer
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# All weapon resources to spawn as pickups.
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# Populate in the editor with your weapon_shot resources.
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@export var all_weapon_shots: Array[WeaponShot] = []
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var _pickups_spawned: int = 0
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var _pickups_remaining: int = 0
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func _ready() -> void:
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if spawn_timer == null:
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return
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spawn_timer.wait_time = spawn_interval
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func _on_spawn_timer_timeout() -> void:
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if test_mode:
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_spawn_test_pickups()
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else:
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_spawn_normal_pickup()
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func _spawn_normal_pickup() -> void:
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# Spawn a single random pickup at a position near the player.
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if all_weapon_shots.is_empty():
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return
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var pickup := _spawn_pickup(
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all_weapon_shots[randi() % all_weapon_shots.size()]
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)
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if pickup == null or not is_instance_valid(pickup):
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return
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# Position: centered horizontally, above the player with vertical padding.
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var player_node := get_node_or_null("../Player")
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if player_node != null:
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pickup.position = Vector2(
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randf_range(40.0, screensize.x - 40.0),
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player_node.position.y - randf_range(80.0, 200.0)
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)
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else:
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pickup.position = Vector2(
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randf_range(40.0, screensize.x - 40.0),
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randf_range(30.0, screensize.y * 0.4)
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)
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add_child(pickup)
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_pickups_spawned += 1
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_pickups_remaining = max(_pickups_remaining, _pickups_spawned)
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func _spawn_test_pickups() -> void:
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for weapon: WeaponShot in all_weapon_shots:
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if weapon == null or weapon.shot_name.is_empty():
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continue
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var pickup := _spawn_pickup(weapon)
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if not is_instance_valid(pickup):
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continue # skipped — no valid icon
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# Random position within viewport, with edge padding.
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var margin: float = 15.0
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pickup.position = Vector2(
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randf_range(margin, screensize.x - margin),
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randf_range(margin, screensize.y - margin)
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)
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add_child(pickup)
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_pickups_spawned += 1
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_pickups_remaining = _pickups_spawned
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# Pause the timer while pickups are on screen; resume when all gone.
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if spawn_timer != null:
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spawn_timer.stop()
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func pickup_collected() -> void:
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# Called by the player when a pickup is collected.
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# Sync WeaponComponent's test_mode so tab cycling stays independent of
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# pickups when in test mode, and normal behavior is restored otherwise.
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var level: Node2D = get_parent() as Node2D
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if level != null:
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var wc: WeaponComponent = level.get_node_or_null("WeaponComponent")
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if wc != null:
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wc.test_mode = test_mode
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# Decrement counter; resume timer once all pickups are gone.
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_pickups_remaining = max(0, _pickups_remaining - 1)
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if _pickups_remaining <= 0:
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if spawn_timer != null:
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spawn_timer.start()
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_pickups_spawned = 0
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func _spawn_pickup(weapon: WeaponShot) -> Area2D:
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# Validate that the weapon has a pickup icon configured.
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if weapon.pickup_icon == null:
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printerr("[PowerUpSpawner] No pickup icon set for weapon: ", weapon.shot_name)
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var dead := Area2D.new() # return a dead node — caller skips it
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dead.queue_free()
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return dead
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# Instantiate the scene template and attach weapon metadata.
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var pickup := pickup_scene.instantiate() as Area2D
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if pickup == null:
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printerr("[PowerUpSpawner] Failed to instantiate pickup scene.")
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return null
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pickup.set_meta("weapon_shot", weapon)
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# Add the icon node at runtime (scene has no TextureRect to avoid null-dependency issues).
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var icon := TextureRect.new()
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icon.texture = weapon.pickup_icon
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icon.stretch_mode = TextureRect.STRETCH_KEEP_ASPECT_CENTERED
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icon.size = Vector2(16, 16)
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pickup.add_child(icon)
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return pickup
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