Fix research

core/research/research_data.gd

@@ -0,0 +1,66 @@
+class_name ResearchData
+extends Resource
+
+@export var id: StringName = &""
+@export var generator_id: StringName = &""
+@export var name: String = ""
+@export_multiline var description: String = ""
+@export var icon: Texture2D
+
+## XP Configuration
+@export var xp_per_currency_produced: float = 0.01
+@export var base_xp_required: float = 100.0
+@export var xp_growth_multiplier: float = 1.5
+
+## Multiplier Configuration
+@export var base_multiplier: float = 1.0
+@export var multiplier_per_level: float = 0.1
+
+## Associated Buff (single buff per research track)
+@export var associated_buff_id: StringName = &""
+
+func get_xp_required_for_level(level: int) -> float:
+	return base_xp_required * pow(xp_growth_multiplier, float(maxi(level - 1, 0)))
+
+func get_xp_required_for_level_big(level: int) -> BigNumber:
+	var float_val: float = base_xp_required * pow(xp_growth_multiplier, float(maxi(level - 1, 0)))
+	return BigNumber.from_float(float_val)
+
+func get_total_xp_for_level(level: int) -> BigNumber:
+	if level <= 0:
+		return BigNumber.new(0.0, 0)
+	var total: BigNumber = BigNumber.new(0.0, 0)
+	for l in range(1, level + 1):
+		total = total.add(get_xp_required_for_level_big(l))
+	return total
+
+func get_level_for_xp(xp: BigNumber) -> int:
+	if xp.mantissa == 0.0:
+		return 0
+	var level: int = 0
+	while true:
+		var next_xp: BigNumber = get_total_xp_for_level(level + 1)
+		if xp.compare_to(next_xp) < 0:
+			break
+		level += 1
+	return level
+
+func get_multiplier_for_level(level: int) -> float:
+	return base_multiplier + (multiplier_per_level * float(maxi(level, 0)))
+
+func get_xp_progress(xp: BigNumber) -> float:
+	if xp.mantissa == 0.0:
+		return 0.0
+	var current_level: int = get_level_for_xp(xp)
+	if current_level < 0:
+		return 0.0
+	
+	var xp_at_current_level: BigNumber = get_total_xp_for_level(current_level)
+	var xp_needed_for_next: BigNumber = get_xp_required_for_level_big(current_level + 1)
+	var xp_in_current_level: BigNumber = xp.subtract(xp_at_current_level)
+	
+	if xp_needed_for_next.mantissa == 0.0:
+		return 1.0
+	
+	var ratio: float = (xp_in_current_level.mantissa / xp_needed_for_next.mantissa) * pow(10.0, float(xp_in_current_level.exponent - xp_needed_for_next.exponent))
+	return clampf(ratio, 0.0, 1.0)