## DamageCalc.gd
## Applies armor/attack type damage multipliers per the Squadron TD matrix.
class_name DamageCalc

enum AttackType { NORMAL, EXPLOSIVE, CONCUSSIVE, CHAOS }
enum ArmorType  { LIGHT, MEDIUM, HEAVY, UNARMORED }

# [attack_type][armor_type] = multiplier
const MATRIX: Array = [
	# NORMAL
	[1.00, 1.00, 1.00, 1.00],
	# EXPLOSIVE
	[0.75, 1.00, 1.50, 0.75],
	# CONCUSSIVE
	[1.50, 0.75, 0.50, 1.00],
	# CHAOS
	[1.00, 1.00, 1.00, 1.00],
]

static func calculate(base_damage: int, attack_type: AttackType, armor_type: ArmorType) -> int:
	var multiplier: float = MATRIX[attack_type][armor_type]
	return int(base_damage * multiplier)