P23-03: 生活の観察

scenes/main/world_preview.gd

@@ -637,6 +637,7 @@ func _build_life_observation() -> Dictionary:
 					&"at": rect.position + Vector2(2, 16), &"requests": requests,
 					&"text": RoomPresentation.supply_label(requests)})
 	model[&"badges"] = badges
+	_resolve_observation_labels(model)
 	var obstacles: Array[Rect2] = []
 	for cabin: Dictionary in model[&"cabins"]:
 		obstacles.append(cabin[&"rect"])
@@ -691,6 +692,39 @@ func _traffic_segments(band: Rect2, cell: Rect2, obstacles: Array[Rect2]) -> Arr
 	return []
 
 
+func _resolve_observation_labels(model: Dictionary) -> void:
+	var placed: Array[Dictionary] = []
+	for i: int in model[&"cabins"].size():
+		var cabin: Dictionary = model[&"cabins"][i]
+		placed.append({&"id": "cabin/%d/rect" % i, &"rect": cabin[&"rect"]})
+		placed.append({&"id": "cabin/%d/badge" % i, &"rect": cabin[&"badge_rect"]})
+	for kind: String in ["business", "supply", "landing", "aggregation"]:
+		var collection: Array = model[&"badges"] if kind in ["business", "supply"] else model[&"landing_badges"] if kind == "landing" else model.get(&"actor_aggregations", [])
+		for i: int in collection.size():
+			var badge: Dictionary = collection[i]
+			if kind in ["business", "supply"] and badge[&"kind"] != kind:
+				continue
+			var anchor: Vector2 = badge[&"at"]
+			var at := anchor
+			var displaced_by: Array[String] = []
+			# Each collision advances to an existing right edge. Positive widths
+			# guarantee termination; touching edges are allowed.
+			while true:
+				var blocker: Dictionary = {}
+				for previous: Dictionary in placed:
+					if _readable_badge_rect(at, badge[&"text"]).intersection(previous[&"rect"]).has_area():
+						blocker = previous
+						break
+				if blocker.is_empty():
+					break
+				displaced_by.append(blocker[&"id"])
+				at.x = (blocker[&"rect"] as Rect2).end.x
+			badge[&"anchor"] = anchor
+			badge[&"at"] = at
+			badge[&"displaced_by"] = displaced_by.duplicate(true)
+			placed.append({&"id": "%s/%d" % [kind, i], &"rect": _readable_badge_rect(at, badge[&"text"])})
+
+
 func _draw_life_badges(canvas: CanvasItem) -> void:
 	for badge: Dictionary in _life_observation.get(&"badges", []):
 		_draw_readable_badge(badge[&"at"], badge[&"text"], canvas)