number keys for weapons; charger enemy is invulnerable

enemies/charging_car/charger_behavior.gd

@@ -23,6 +23,7 @@ func _start_charge() -> void:
 	enemy.velocity = global_position.direction_to(Player.instance.global_position)
 	enemy.velocity *= CHARGE_SPEED
 	enemy.set_rotation_to_velocity()
+	enemy.invulnerable = true
 
 func _end_charge() -> void:
 	charge_clock = 0.
@@ -30,6 +31,7 @@ func _end_charge() -> void:
 
 	enemy.default_movement = true
 	enemy.set_collision_mask_value(4, true)
+	enemy.invulnerable = false
 
 	%KnockUpArea.monitoring = false
 	%Meshes.position = Vector3.ZERO

enemies/enemy.gd

@@ -7,6 +7,7 @@ const FRAME_IDXS := 10
 @export var max_speed := 8.
 @export var health := 10.
 @export var knockback_mul := 1.
+@export var invulnerable := false
 
 var frame_idx := 0
 var frame_count := 0
@@ -57,6 +58,7 @@ func _process(delta: float) -> void:
 
 
 func hit(proj: Node3D, damage: float) -> bool:
+	if invulnerable: return true
 	health -= damage
 	if health <= 0:
 		queue_free()

player/player.gd

@@ -137,8 +137,12 @@ func _process(delta: float) -> void:
 
 	damage_clock -= delta
 
-	if Input.is_action_just_pressed("swap_weapons"):
+	if Input.is_action_just_pressed("sharpshooter"):
-		gun_index += 1
+		gun_index = 0
+	if Input.is_action_just_pressed("minigun"):
+		gun_index = 1
+	if Input.is_action_just_pressed("mortar"):
+		gun_index = 2
 
 func damage(damager: Node3D) -> void:
 	if health <= 0: return

player/player.tscn

@@ -38,7 +38,7 @@ collision_layer = 2
 collision_mask = 13
 script = ExtResource("1_4flbx")
 shake_noise = SubResource("FastNoiseLite_onrkg")
-guns = [NodePath("Guns/BasicGun"), NodePath("Guns/MiniGun"), NodePath("Guns/Mortar")]
+guns = [NodePath("Guns/Sharpshooter"), NodePath("Guns/MiniGun"), NodePath("Guns/Mortar")]
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="." unique_id=204505475]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5, 0)
@@ -124,7 +124,7 @@ horizontal_alignment = 2
 
 [node name="Guns" type="Node3D" parent="." unique_id=2018109083]
 
-[node name="BasicGun" type="Node3D" parent="Guns" unique_id=1677055720]
+[node name="Sharpshooter" type="Node3D" parent="Guns" unique_id=1677055720]
 unique_name_in_owner = true
 script = ExtResource("3_g1dw6")
 

project.godot

@@ -66,16 +66,26 @@ dash={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194325,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
-swap_weapons={
-"deadzone": 0.2,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":32,"location":0,"echo":false,"script":null)
-]
-}
 debug_menu={
 "deadzone": 0.2,
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":96,"key_label":0,"unicode":96,"location":0,"echo":false,"script":null)
 ]
 }
+sharpshooter={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":49,"key_label":0,"unicode":49,"location":0,"echo":false,"script":null)
+]
+}
+minigun={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":50,"key_label":0,"unicode":50,"location":0,"echo":false,"script":null)
+]
+}
+mortar={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":51,"key_label":0,"unicode":51,"location":0,"echo":false,"script":null)
+]
+}
 
 [layer_names]