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40 lines
1.2 KiB
GDScript
40 lines
1.2 KiB
GDScript
extends Area2D
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class_name Collector
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## Area that will pick up [Collectible]s with a given name, keeping track of the amount collected.
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## The current amount of collected entities.
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var collected_count: int = 0
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## The types of [Collectible]s to pick up.
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##
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## The strings will match only if exactly the same.
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@export var collecting_types: Array[StringName]
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## The collision mask to check colliding body against.
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@export_flags_2d_physics var collecting_collision_mask: int
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## The goal amount of entities to collect.
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##
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## When [collected_count] reaches it, it will be reset to zero, and the "goal" signal will be emitted.
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@export var collecting_amount: int
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## The collector has picked up an object.
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signal collected(body: PhysicsBody2D)
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## The collector has received its collection goal and is about to reset.
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signal goal
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func _on_body_entered(body: Node2D):
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if body is PhysicsBody2D:
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if body.collision_layer & collecting_collision_mask:
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var collectible: Collectible = body.get_node("Collectible")
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if collectible.type in collecting_types:
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collected_count += 1
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collectible.collect()
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emit_signal("collected", body)
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if collected_count >= collecting_amount:
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emit_signal("goal")
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collected_count = 0
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