Initial project sync

resources/time_anchor_frequency_profile.gd

@@ -0,0 +1,34 @@
+class_name TimeAnchorFrequencyProfile
+extends Resource
+
+@export var streak_thresholds: Array[int] = [0, 8, 16]
+@export var anchors_per_window: Array[int] = [1, 2, 4]
+@export var window_beats := 4
+
+
+func interval_for_streak(streak: int) -> int:
+	var anchors := anchors_per_window_for_streak(streak)
+	return maxi(1, int(ceil(float(window_beats) / float(maxi(1, anchors)))))
+
+
+func anchors_per_window_for_streak(streak: int) -> int:
+	var count := 1
+	for index: int in range(streak_thresholds.size()):
+		if index >= anchors_per_window.size():
+			break
+		if streak >= streak_thresholds[index]:
+			count = clampi(anchors_per_window[index], 1, maxi(1, window_beats))
+	return count
+
+
+func anchor_offsets_for_streak(streak: int) -> Array[int]:
+	var safe_window := maxi(1, window_beats)
+	var count := anchors_per_window_for_streak(streak)
+	if count <= 1:
+		return [safe_window]
+	if count == 2:
+		return [maxi(1, int(ceil(float(safe_window) * 0.5))), safe_window]
+	var offsets: Array[int] = []
+	for beat_offset: int in range(1, safe_window + 1):
+		offsets.append(beat_offset)
+	return offsets