21 lines
539 B
GDScript
21 lines
539 B
GDScript
extends Upgrade
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class_name FuelEfficiencyUpgrade
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@export var modifier := 0.95
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func _init(tier: int = 1):
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if tier < 5:
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unlocks.append(FuelEfficiencyUpgrade.new(tier + 1))
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self.tier = tier
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name = "Fuel Efficiency Increase - Tier %s" % ['I','II','III','IV','V'][tier - 1]
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description = "Increases the efficiency of fuel use for your rocket"
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cost = {
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"fuel": (tier) * 15 - 5,
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"star": (tier) * 5 + 5
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}
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func activate_upgrade() -> bool:
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if not super(): return false
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DataHandler.game_data.fuel_efficiency *= modifier
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return true
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