Dartboard prototype with working raycast

Scripts/ModifierCatalog.gd

@@ -0,0 +1,84 @@
+extends Node
+# ModifierCatalog.gd
+# Holds the master list of every modifier in the game and picks random sets
+# for each round. Register this as an AUTOLOAD (Project > Project Settings >
+# Autoload) with the name "ModifierCatalog" so any script can reach it globally.
+#
+# Two ways to fill the catalog:
+#  A) Drop .tres Modifier files into res://Modifiers/ and they auto-load (below).
+#  B) Build them in code in _register_builtins() for quick prototyping.
+
+var modifiers: Array[Modifier] = []
+var _by_id: Dictionary = {}        # id -> Modifier, for fast lookup
+
+func _ready() -> void:
+	_load_from_folder("res://Modifiers/")
+	if modifiers.is_empty():
+		# Fallback so the prototype works before you author .tres files.
+		_register_builtins()
+	_reindex()
+	print("ModifierCatalog loaded ", modifiers.size(), " modifiers.")
+
+# Load every .tres Modifier resource from a folder.
+func _load_from_folder(path: String) -> void:
+	var dir := DirAccess.open(path)
+	if dir == null:
+		return
+	dir.list_dir_begin()
+	var fname := dir.get_next()
+	while fname != "":
+		if not dir.current_is_dir() and fname.ends_with(".tres"):
+			var res := load(path + fname)
+			if res is Modifier:
+				modifiers.append(res)
+		fname = dir.get_next()
+	dir.list_dir_end()
+
+# Quick code-defined modifiers for prototyping. Replace texture paths with yours.
+func _register_builtins() -> void:
+	modifiers.append(_make("stars_x5", "Stars", "Multiplies this segment's value by 5.",
+		"res://Models/Dartboard/Dartboard-Proto_Red.png", 5.0, 0))
+	modifiers.append(_make("double", "Double", "Doubles this segment's value.",
+		"res://Models/Dartboard/Dartboard-Proto_Green.png", 2.0, 0))
+	modifiers.append(_make("plus10", "Bonus +10", "Adds 10 points to this segment.",
+		"res://Models/Dartboard/Dartboard-Proto_Cork.png", 1.0, 10))
+
+func _make(id: String, title: String, desc: String, tex_path: String,
+		mult: float, add: int) -> Modifier:
+	var m := Modifier.new()
+	m.id = id
+	m.title = title
+	m.description = desc
+	m.texture = load(tex_path)
+	m.score_mult = mult
+	m.score_add = add
+	return m
+
+func _reindex() -> void:
+	_by_id.clear()
+	for m in modifiers:
+		_by_id[m.id] = m
+
+func get_by_id(id: String) -> Modifier:
+	return _by_id.get(id)
+
+# Pick `count` distinct random modifiers, respecting weight. Returns an Array.
+func pick_random(count: int) -> Array[Modifier]:
+	var pool := modifiers.duplicate()
+	var chosen: Array[Modifier] = []
+	count = min(count, pool.size())
+	for _i in count:
+		var total := 0.0
+		for m in pool:
+			total += max(m.weight, 0.0001)
+		var r := randf() * total
+		var acc := 0.0
+		var picked_index := 0
+		for j in pool.size():
+			acc += max(pool[j].weight, 0.0001)
+			if r <= acc:
+				picked_index = j
+				break
+		chosen.append(pool[picked_index])
+		pool.remove_at(picked_index)   # distinct: don't pick the same one twice
+	return chosen