added keep shield ui onscreen option

Scripts/Resources/player_preferences.gd

@@ -12,6 +12,7 @@ const SAVE_PATH: String = "user://preferences.tres"
 @export var display_self_damage_indicators: bool = true
 @export var display_party_damage_indicators: bool = true
 @export var display_status_effect_damage_indicators: bool = true
+@export var always_show_shield_ui: bool = false
 
 
 func save_profile_to_disk() -> void:

Scripts/enemy_goal.gd

@@ -1,10 +1,36 @@
 class_name EnemyGoal
 extends Node3D
 
+signal goal_cleared()
+signal goal_occupied()
+
 @export var audio_player: AudioStreamPlayer3D
 
+var enemies_inside: int
+
 
 func _on_area_3d_body_entered(body: Node3D) -> void:
 	if body is EnemyController:
 		body.goal_entered()
 		audio_player.play()
+
+
+func enemy_entered_shield_range(body: Node3D) -> void:
+	if body is EnemyController:
+		if enemies_inside == 0:
+			goal_occupied.emit()
+		enemies_inside += 1
+		body.died.connect(enemy_died)
+		body.reached_goal.connect(enemy_reached_goal)
+
+
+func enemy_died(enemy: Enemy) -> void:
+	enemies_inside -= 1
+	if enemies_inside == 0:
+		goal_cleared.emit()
+
+
+func enemy_reached_goal(enemy: Enemy, penalty: int) -> void:
+	enemies_inside -= 1
+	if enemies_inside == 0:
+		goal_cleared.emit()

Scripts/game.gd

@@ -140,6 +140,8 @@ func spawn_players() -> void:
 		var player: Hero = player_scene.instantiate() as Hero
 		player.placed_tower.connect(connect_tower_to_music)
 		player.name = str(peer_id)
+		level.enemy_goals[0].goal_cleared.connect(player.hud.shield_ui.fade_ui)
+		level.enemy_goals[0].goal_occupied.connect(player.hud.shield_ui.show_ui)
 		player.game_manager = self
 		player.edit_tool.level = level
 		player.hud.map_anchor = level
@@ -159,8 +161,6 @@ func spawn_players() -> void:
 		base_took_damage.connect(player.hud.set_lives_count)
 		root_scene.add_child(player)
 		p_i += 1
-		print("objective health: " + str(objective_health))
-		print("player ui health: " + str(player.hud.shield_ui.health))
 
 
 func ready_player(player_ready_true: bool) -> void: