Set up new signals in EventBus; preparing to restructure game start

code.

player.gd

@@ -14,6 +14,7 @@ var shield: int = max_shield:
 
 var can_shoot = true
 var shader_active = false
+var clamp_shield = clamp(shield, 0, max_shield)
 
 @onready var screensize = get_viewport_rect().size
 @onready var explosion = $Explosion
@@ -27,8 +28,10 @@ func start():
     set_process(true)
     $Ship.show()
     position = Vector2(screensize.x / 2, screensize.y - 64)
-    shield = max_shield
     $GunCooldown.wait_time = cooldown
+    var old_value = 0
+    set_shield(max_shield)
+    EventBus.shield_changed.emit(max_shield, old_value, shield)
 
 func _process(delta):
     var input = Input.get_vector("left", "right", "up", "down")
@@ -59,17 +62,17 @@ func shoot():
     tween.tween_property($Ship, "position:y", 0, 0.05)
 
 func set_shield(value: int):
-    var old_value: int = shield
-    shield = min(max_shield, value)
+    var old_value = shield
+    shield = clamp(value, 0, max_shield)
     EventBus.shield_changed.emit(max_shield, old_value, shield)
     print("Shield set to:", shield)
     if shield <= 0:
+      EventBus.player_died.emit()
       set_process(false)
       $Ship.hide()
       $Explosion.show()
       $Explosion/AnimationPlayer.play("explosion-one-shot")
       await $Explosion/AnimationPlayer.animation_finished
-      EventBus.player_died.emit()
 
 func _on_gun_cooldown_timeout() -> void:
             can_shoot = true