37 lines
1009 B
GDScript
37 lines
1009 B
GDScript
class_name WeaponModBase
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extends Resource
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enum ModType { ADDITIVE, MULTIPLICATIVE, ABSOLUTE, BOOL }
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@export var name: String = "Unnamed mod"
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@export var description: String = ""
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@export var icon: Texture2D
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@export var mod_property: String
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@export var mod_value: float
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@export var mod_value_bool: bool = false
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@export var mod_type: ModType = ModType.MULTIPLICATIVE
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@export var mod_extra_tags: Array[WeaponBase.WeaponTag] = []
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static func get_calculated(weapon: WeaponBase, key: String) -> Variant:
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assert(
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weapon.has_property(key),
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"tried calculate property '%s' where base value does not exist on %s" % [key, weapon]
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)
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var base_value = weapon.get(key)
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var add = 0.0
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var mul = 1.0
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for mod in weapon.modifiers:
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if mod.mod_property == key:
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match mod.mod_type:
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ModType.ADDITIVE:
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add += mod.mod_value
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ModType.MULTIPLICATIVE:
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mul *= mod.mod_value
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ModType.ABSOLUTE:
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return mod.mod_value
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ModType.BOOL:
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return mod.mod_value_bool
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return (base_value + add) * mul
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