Add prestige

core/prestige/prestige_config.gd

@@ -0,0 +1,77 @@
+class_name PrestigeConfig
+extends Resource
+
+enum BasisType {
+	LIFETIME_TOTAL,
+	RUN_TOTAL,
+	RUN_MAX,
+}
+
+enum FormulaType {
+	POWER,
+	TRIANGULAR_INVERSE,
+}
+
+enum RoundingMode {
+	FLOOR,
+	ROUND,
+	CEIL,
+}
+
+enum MultiplierMode {
+	ADDITIVE,
+	MULTIPLICATIVE_POWER,
+}
+
+@export var id: StringName = &"primary"
+@export var display_name: String = "Ascension"
+@export var prestige_currency_id: StringName = &"prestige"
+@export var source_currency_id: StringName = &"magic"
+@export var basis: BasisType = BasisType.LIFETIME_TOTAL
+@export var formula: FormulaType = FormulaType.POWER
+@export var threshold_mantissa: float = 1.0
+@export var threshold_exponent: int = 4
+@export var scale: float = 1.0
+@export var exponent: float = 0.5
+@export var flat_bonus: float = 0.0
+@export var minimum_gain: int = 0
+@export var rounding_mode: RoundingMode = RoundingMode.FLOOR
+@export var allow_prestige_without_gain: bool = false
+@export var multiplier_mode: MultiplierMode = MultiplierMode.ADDITIVE
+@export var base_multiplier: float = 1.0
+@export var multiplier_per_prestige: float = 0.05
+@export var multiplier_exponent: float = 1.0
+
+func get_threshold() -> BigNumber:
+	return BigNumber.new(threshold_mantissa, threshold_exponent)
+
+func is_valid() -> bool:
+	if String(id).strip_edges().is_empty():
+		return false
+	if String(source_currency_id).strip_edges().is_empty():
+		return false
+	if threshold_mantissa <= 0.0:
+		return false
+	if scale < 0.0:
+		return false
+	if formula == FormulaType.POWER and exponent <= 0.0:
+		return false
+	if base_multiplier < 0.0:
+		return false
+
+	return true
+
+func is_cumulative_basis() -> bool:
+	return basis != BasisType.RUN_TOTAL
+
+func round_value(value: float) -> float:
+	if not is_finite(value):
+		return value
+
+	match rounding_mode:
+		RoundingMode.CEIL:
+			return ceilf(value)
+		RoundingMode.ROUND:
+			return roundf(value)
+		_:
+			return floorf(value)