39 lines
1.1 KiB
GDScript
39 lines
1.1 KiB
GDScript
class_name ItemSpawn extends Node2D
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@export var common_items : Array[PackedScene]
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@export var rare_items : Array[PackedScene]
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@export var unique_items : Array[PackedScene]
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@export var rarity_bonus = 0
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@export var guarantee_rare : bool = false
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@export var unique_base_chance = .05
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@export var rare_base_chance = .2
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@export var unique_bonus_multiplier = .025
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@export var rare_bonus_multiplier = .1
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var remove_after_spawn = false
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func choose_pool() -> Array[PackedScene]:
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var unique_chance = unique_base_chance + unique_bonus_multiplier * rarity_bonus
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var rare_chance = unique_base_chance + unique_bonus_multiplier * rarity_bonus
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var random = randf()
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if random < unique_chance && unique_items.size() > 0:
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remove_after_spawn = true
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return unique_items
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elif random < unique_chance + rare_chance || guarantee_rare:
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return rare_items
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return common_items
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func _ready():
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var pool = choose_pool()
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var index = randi_range(0, pool.size() - 1)
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var packed_scene : PackedScene = pool[index]
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if remove_after_spawn:
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pool.remove_at(index)
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var object = packed_scene.instantiate()
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add_child.call_deferred(object)
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object.reparent.call_deferred(get_parent())
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