fixes extra typos and lost references

ui/menus/wave_viewer/wave_viewer.gd

@@ -0,0 +1,49 @@
+class_name WaveViewer
+extends Control
+
+signal closed()
+
+@export var wave_vbox: VBoxContainer
+@export var enemy_row_scene: PackedScene
+@export var enemy_icon_tex: TextureRect
+@export var enemy_name_label: Label
+@export var enemy_desc_label: RichTextLabel
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	if event.is_action_pressed("Pause") or event.is_action_pressed("Show Wave Preview"):
+		queue_free()
+		closed.emit()
+		get_viewport().set_input_as_handled()
+
+
+func set_waves(waves: Array[WaveConfig], starting_wave_number: int) -> void:
+	var i: int = starting_wave_number
+	for wave: WaveConfig in waves:
+		var enemy_row: EnemyRow = enemy_row_scene.instantiate() as EnemyRow
+		enemy_row.enemy_clicked.connect(set_enemy_desc)
+		wave_vbox.add_child(enemy_row)
+		enemy_row.set_wave(i)
+		i += 1
+		
+		var enemy_dict: Dictionary[Enemy, int] = {}
+		
+		for enemy_group: EnemyGroup in wave.enemy_groups:
+			if !enemy_dict.has(enemy_group.enemy):
+				enemy_dict[enemy_group.enemy] = 0
+			enemy_dict[enemy_group.enemy] += enemy_group.count
+		
+		for enemy: Enemy in enemy_dict.keys():
+			enemy_row.add_enemy_tag(enemy, enemy_dict[enemy])
+	set_enemy_desc(waves[0].enemy_groups.keys()[0].enemy)
+
+
+func set_enemy_desc(enemy: Enemy) -> void:
+	enemy_name_label.text = tr(enemy.title)
+	enemy_icon_tex.texture = enemy.icon
+	enemy_desc_label.text = tr(enemy.description)
+
+
+func _on_button_2_pressed() -> void:
+	closed.emit()
+	queue_free()