Crafting tabs (tools, weapons, cooking, building...); panel fits at 1280x720; steadier smoothness test

scripts/core/item_db.gd

@@ -52,8 +52,29 @@ func define_recipe(r: Dictionary) -> void:
 			return
 	r.count = int(r.get("count", 1))
 	r.station = String(r.get("station", ""))
+	r.category = String(r.get("category", guess_category(items[r.output])))
+	if not CATEGORIES.has(r.category):
+		r.category = "other"
 	recipes[r.id] = r
 
+## The crafting screen's tabs, in order: id -> label.
+const CATEGORIES := {"tools": "Tools", "weapons": "Weapons", "cooking": "Cooking", "building": "Building",
+	"stations": "Stations", "furniture": "Furniture", "clothing": "Clothing", "other": "Other"}
+
+## For recipes (an addon's, say) that don't say: worked out from what they make.
+static func guess_category(item: Dictionary) -> String:
+	if item.has("food"):
+		return "cooking"
+	if item.has("weapon") or item.has("bow"):
+		return "weapons"
+	if item.has("tool") or item.has("fishing") or item.has("light"):
+		return "tools"
+	if item.has("wear"):
+		return "clothing"
+	if item.has("place"):
+		return "building" if item.place.has("kind") else "furniture"
+	return "other"
+
 func _load_fishing(path: String) -> void:
 	var data = JSON.parse_string(FileAccess.get_file_as_string(path))
 	if typeof(data) != TYPE_DICTIONARY or not data.has("waters"):