fix errorspew in movesideside enemies without an AnimatedSprite (fixes #88)

objects/enemy/bat.tscn

@@ -33,7 +33,6 @@ script = ExtResource( 3 )
 score_for_killing = 25
 speed = 40
 move_direction = 1
-flip_sprite = false
 
 [node name="AnimatedSprite" type="AnimatedSprite" parent="."]
 material = SubResource( 1 )

objects/enemy/enemy_move_sidesideupdown.gd

@@ -11,10 +11,10 @@ export var direction = 1
 export var speed = 50
 #Move horizontal or vertical
 export(Direction) var move_direction
-export var flip_sprite = true
+export var node_to_flip: NodePath
 #Onreadys
 onready var startpos = position
-onready var sprite = $AnimatedSprite
+onready var _flipped_node: Node2D = get_node_or_null(node_to_flip)
 
 func _ready():
 	if Engine.editor_hint:
@@ -40,10 +40,12 @@ func move_side_to_side(delta):
 	#Switch dir
 	if position.x >= startpos.x + (right_down_boundary): 
 		direction = -1
-		if flip_sprite == true: sprite.scale.x = -1
+		if is_instance_valid(_flipped_node):
+			_flipped_node.scale.x = -1.0
 	if position.x <= startpos.x + (-left_up_boundary): 
 		direction = 1
-		if flip_sprite == true: sprite.scale.x = 1
+		if is_instance_valid(_flipped_node):
+			_flipped_node.scale.x = 1.0
 
 func move_up_and_down(delta):
 	#Move
@@ -51,10 +53,12 @@ func move_up_and_down(delta):
 	#Switch dir
 	if position.y >= startpos.y + (right_down_boundary): 
 		direction = -1
-		if flip_sprite == true: sprite.scale.y = 1
+		if is_instance_valid(_flipped_node):
+			_flipped_node.scale.y = 1.0
 	if position.y <= startpos.y + (-left_up_boundary): 
 		direction = 1
-		if flip_sprite == true: sprite.scale.y = -1
+		if is_instance_valid(_flipped_node):
+			_flipped_node.scale.y = -1.0
 
 # editor debug drawing
 func _draw():

objects/enemy/laser_wall.tscn

@@ -34,7 +34,6 @@ tracks/0/keys = {
 script = ExtResource( 2 )
 blood = false
 speed = 16
-flip_sprite = false
 
 [node name="Laser" type="Line2D" parent="."]
 material = SubResource( 1 )

objects/enemy/robosnake.tscn

@@ -6,4 +6,4 @@
 
 [node name="AnimatedSprite" parent="." index="0"]
 animation = "robo"
-frame = 0
+frame = 1

objects/enemy/snail.tscn

@@ -31,7 +31,6 @@ faster_speed = 60
 [node name="AnimatedSprite" type="AnimatedSprite" parent="."]
 position = Vector2( 3, 3 )
 frames = SubResource( 4 )
-frame = 1
 playing = true
 
 [node name="Hitbox" type="Area2D" parent="." groups=["enemy_hitbox"]]

objects/enemy/snake.tscn

@@ -45,6 +45,7 @@ extents = Vector2( 4, 4 )
 [node name="Snake" type="Node2D" groups=["enemy"]]
 script = ExtResource( 3 )
 score_for_killing = 15
+node_to_flip = NodePath("AnimatedSprite")
 
 [node name="AnimatedSprite" type="AnimatedSprite" parent="."]
 material = SubResource( 1 )

objects/enemy/spider.tscn

@@ -42,6 +42,7 @@ position = Vector2( 5, 5 )
 
 [node name="AnimatedSprite" type="AnimatedSprite" parent="Hitbox"]
 frames = SubResource( 3 )
+frame = 1
 playing = true
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="Hitbox"]