Some code organization

game/menu/weapon_selection/weapon_selection_screen.gd

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+class_name WeaponSelectionScreen
+extends Control
+
+
+signal weapon_selected(weapon_data: WeaponData)
+
+
+const WEAPON_SELECTOR = preload("res://game/menu/weapon_selection/weapon_selector.tscn")
+
+
+@export var world_data : WorldData:
+	set = _set_world_data
+
+
+@onready var weapon_selectors : Control = $%WeaponSelectors
+
+
+func _input(event: InputEvent) -> void:
+	if event.is_action_pressed("ui_left") and _play_left_sound():
+		SoundManager.play_ui_stream(SoundManager.ui_stream_previous)
+	if event.is_action_pressed("ui_right") and _play_right_sound():
+		SoundManager.play_ui_stream(SoundManager.ui_stream_next)
+
+
+func _play_left_sound() -> bool:
+	return _play_side_sound(1, 0)
+
+
+func _play_right_sound() -> bool:
+	return _play_side_sound(0, 1)
+
+
+func _play_side_sound(offset_begin: int, offset_end: int) -> bool:
+	for i in range(offset_begin, weapon_selectors.get_child_count() - offset_end):
+		var child := weapon_selectors.get_child(i)
+		if child is WeaponSelector and child.button.has_focus():
+			return true
+	return false
+
+
+func _set_world_data(data: WorldData) -> void:
+	world_data = data
+	
+	for child in weapon_selectors.get_children():
+		child.queue_free()
+	
+	if world_data == null: return
+	
+	var selectors : Array[WeaponSelector] = []
+	for weapon_data in world_data.player_start_weapons:
+		var selector : WeaponSelector = WEAPON_SELECTOR.instantiate()
+		weapon_selectors.add_child(selector)
+		selector.weapon_data = weapon_data
+		selectors.append(selector)
+		selector.weapon_selected.connect(_on_weapon_selected)
+	
+	if selectors.size() > 0:
+		selectors[0].button.grab_focus()
+
+
+func _on_weapon_selected(weapon_data: WeaponData) -> void:
+	weapon_selected.emit(weapon_data)

game/menu/weapon_selection/weapon_selection_screen.gd.uid

@@ -0,0 +1 @@
+uid://6isk1tmc2ik1

game/menu/weapon_selection/weapon_selection_screen.tscn

@@ -0,0 +1,40 @@
+[gd_scene load_steps=3 format=3 uid="uid://cv122gw47cnun"]
+
+[ext_resource type="Script" uid="uid://6isk1tmc2ik1" path="res://game/menu/weapon_selection/weapon_selection_screen.gd" id="1_hl2ql"]
+[ext_resource type="Theme" uid="uid://dtnd3tqllufey" path="res://styles/menu_theme.tres" id="2_mi7cn"]
+
+[node name="WeaponSelectionScreen" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_hl2ql")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 0
+offset_right = 640.0
+offset_bottom = 360.0
+theme_override_constants/margin_left = 16
+theme_override_constants/margin_top = 16
+theme_override_constants/margin_right = 16
+theme_override_constants/margin_bottom = 16
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+alignment = 1
+
+[node name="Label" type="Label" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 0
+theme = ExtResource("2_mi7cn")
+text = "Select your first weapon"
+
+[node name="WeaponSelectors" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+alignment = 1

game/menu/weapon_selection/weapon_selector.gd

@@ -0,0 +1,28 @@
+class_name WeaponSelector
+extends Control
+
+
+signal weapon_selected(weapon_data: WeaponData)
+
+
+@export var weapon_data: WeaponData:
+	set = _set_weapon_data
+
+
+@onready var button : Button = $%Button
+@onready var name_label : Label = $%NameLabel
+@onready var description_label : Label = $%DescriptionLabel
+
+
+func _set_weapon_data(data: WeaponData) -> void:
+	weapon_data = data
+	
+	if weapon_data == null: return
+	
+	name_label.text = weapon_data.name
+	description_label.text = weapon_data.description
+
+
+func _on_button_pressed() -> void:
+	SoundManager.play_ui_stream(SoundManager.ui_stream_accept)
+	weapon_selected.emit(weapon_data)

game/menu/weapon_selection/weapon_selector.gd.uid

@@ -0,0 +1 @@
+uid://beiydi6w6gqqc

game/menu/weapon_selection/weapon_selector.tscn

@@ -0,0 +1,48 @@
+[gd_scene load_steps=4 format=3 uid="uid://1o3idp54lil2"]
+
+[ext_resource type="Script" uid="uid://beiydi6w6gqqc" path="res://game/menu/weapon_selection/weapon_selector.gd" id="1_4acia"]
+[ext_resource type="Theme" uid="uid://dtnd3tqllufey" path="res://styles/menu_theme.tres" id="2_g83h6"]
+[ext_resource type="Theme" uid="uid://bqqtjq710luul" path="res://styles/label_theme.tres" id="3_dsio1"]
+
+[node name="WeaponSelector" type="MarginContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_right = -440.0
+offset_bottom = -240.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 10
+theme_override_constants/margin_top = 10
+theme_override_constants/margin_right = 10
+theme_override_constants/margin_bottom = 10
+script = ExtResource("1_4acia")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 2
+
+[node name="NameLabel" type="Label" parent="VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+theme = ExtResource("2_g83h6")
+horizontal_alignment = 1
+
+[node name="DescriptionLabel" type="Label" parent="VBoxContainer"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(160, 0)
+layout_mode = 2
+theme = ExtResource("3_dsio1")
+theme_override_font_sizes/font_size = 8
+horizontal_alignment = 1
+
+[node name="Control" type="Control" parent="VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="Button" type="Button" parent="VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+theme = ExtResource("2_g83h6")
+text = "Select"
+
+[connection signal="pressed" from="VBoxContainer/Button" to="." method="_on_button_pressed"]