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

scripts/ui/inventory_screen.gd

@@ -100,8 +100,14 @@ func bind(p: CharacterBody3D) -> void:
 	crv.add_child(UITheme.label("Crafting", 20))
 	_station_label = UITheme.label("", 13, UITheme.TEXT_DIM)
 	crv.add_child(_station_label)
+	# Categories: Tools, Weapons, Cooking... (ItemDB.CATEGORIES). Two rows
+	# of tabs, so they all fit.
+	_tabs = HFlowContainer.new()
+	_tabs.add_theme_constant_override("h_separation", 4)
+	_tabs.add_theme_constant_override("v_separation", 4)
+	crv.add_child(_tabs)
 	var scroll := ScrollContainer.new()
-	scroll.custom_minimum_size = Vector2(320, 380)
+	scroll.custom_minimum_size = Vector2(320, 330)
 	scroll.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
 	_recipe_list = VBoxContainer.new()
 	_recipe_list.size_flags_horizontal = Control.SIZE_EXPAND_FILL
@@ -139,6 +145,7 @@ func open(chest: Node) -> void:
 	visible = true
 	player.ui_open = true
 	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+	_pick_tab()
 	_rebuild_chest()
 	_refresh()
 
@@ -250,8 +257,59 @@ func _rebuild_recipes() -> void:
 		if Actions.station_near(player, st):
 			stations.append(st)
 	_station_label.text = "Nearby: " + (", ".join(stations) if not stations.is_empty() else "nothing (hand crafting only)")
+	_rebuild_tabs()
 	for rid in ItemDB.recipes:
-		_recipe_list.add_child(_recipe_row(ItemDB.recipes[rid]))
+		var r: Dictionary = ItemDB.recipes[rid]
+		if r.category == category:
+			_recipe_list.add_child(_recipe_row(r))
+
+var _tabs: HFlowContainer
+var category := "tools"           ## the tab showing
+var _picked := false              ## chose a tab since opening (don't jump about)
+
+## Tabs for the categories that have recipes, each with how many of its
+## recipes you could make right now.
+func _rebuild_tabs() -> void:
+	for c in _tabs.get_children():
+		c.queue_free()
+	var count := {}
+	var ready := {}
+	for rid in ItemDB.recipes:
+		var r: Dictionary = ItemDB.recipes[rid]
+		count[r.category] = int(count.get(r.category, 0)) + 1
+		if Actions.can_craft(player, rid):
+			ready[r.category] = int(ready.get(r.category, 0)) + 1
+	if not count.has(category):
+		category = count.keys()[0] if not count.is_empty() else "tools"
+	for cat in ItemDB.CATEGORIES:
+		if not count.has(cat):
+			continue
+		var b := Button.new()
+		var n := int(ready.get(cat, 0))
+		b.text = ItemDB.CATEGORIES[cat] + (" (%d)" % n if n > 0 else "")
+		b.toggle_mode = true
+		b.button_pressed = cat == category
+		b.focus_mode = Control.FOCUS_NONE
+		b.add_theme_font_size_override("font_size", 13)
+		if n > 0 and cat != category:
+			b.add_theme_color_override("font_color", UITheme.OK)
+		b.pressed.connect(func():
+			category = cat
+			_picked = true
+			_rebuild_recipes())
+		_tabs.add_child(b)
+
+## On opening: Cooking if you're at a lit fire with something to cook,
+## otherwise the tab you were on last.
+func _pick_tab() -> void:
+	_picked = false
+	if not Actions.station_near(player, "campfire"):
+		return
+	for rid in ItemDB.recipes:
+		var r: Dictionary = ItemDB.recipes[rid]
+		if r.category == "cooking" and Actions.can_craft(player, rid):
+			category = "cooking"
+			return
 
 func _recipe_row(r: Dictionary) -> Control:
 	var ok := Actions.can_craft(player, r.id)
@@ -275,7 +333,7 @@ func _recipe_row(r: Dictionary) -> Control:
 	req.bbcode_enabled = true
 	req.fit_content = true
 	req.scroll_active = false
-	req.autowrap_mode = TextServer.AUTOWRAP_OFF
+	req.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART   # (long lists wrap rather than widen the panel)
 	req.add_theme_font_size_override("normal_font_size", 13)
 	var parts: Array[String] = []
 	for id in r.inputs:
@@ -287,7 +345,7 @@ func _recipe_row(r: Dictionary) -> Control:
 		var col := UITheme.OK if Actions.station_near(player, r.station) else UITheme.BAD
 		parts.append("[color=#%s]@ %s[/color]" % [col.to_html(false), r.station])
 	req.text = "  ".join(parts)
-	req.custom_minimum_size = Vector2(200, 0)
+	req.custom_minimum_size = Vector2(170, 0)
 	v.add_child(req)
 	h.add_child(v)
 	var b := Button.new()