implement #223: controller support in burning cards section

src/logic-scenes/card_burner/candle_cursor.tres.gd

@@ -0,0 +1,25 @@
+class_name CandleCursor extends CPUParticles2D
+
+var noise: = FastNoiseLite.new()
+var noise_position:= 0.0
+var noise_offset:= Vector2.ZERO
+
+var gamepad_mode: bool = false
+var gamepad_target: Vector2 = Vector2.ZERO
+
+var cursor_target: Vector2 = Vector2.ZERO
+
+func _process(delta: float) -> void:
+	
+	if gamepad_mode:
+		cursor_target -= (cursor_target - gamepad_target) * 4 * delta 
+	else:
+		cursor_target = get_viewport().get_mouse_position()
+	
+	var diff: Vector2 = position - noise_offset - cursor_target
+	noise_position += delta * 100
+	noise_offset = Vector2(noise.get_noise_1d(noise_position), noise.get_noise_1d(-noise_position))*30.0
+	position = cursor_target + noise_offset
+	rotation = lerp(rotation, clamp(-PI/3, diff.x *.05, PI/3), delta*20.0)
+	
+	lifetime = max(0.01, lerp(lifetime, .25 * (1.0/(1.0+diff.length()*.1) - noise_offset.length()*.02), 0.2))

src/logic-scenes/card_burner/candle_cursor.tres.gd.uid

@@ -0,0 +1 @@
+uid://rxt7txuyr3vj

src/logic-scenes/card_burner/card_burner.gd

@@ -13,7 +13,10 @@ var has_stage = false:
 				self.hide()
 				process_mode = Node.PROCESS_MODE_DISABLED
 		has_stage = focus
-		
+
+@onready var cursor: CandleCursor = %CandleCursor
+@onready var ancors: Array[Control] = [%Ancor1, %Ancor2, %Ancor3, %Ancor4]
+
 func _ready():
 	Scenes.sign_up_for_sequence(burn_cards, Scenes.id.TRANSITION, 1)
 	%SkipButton.pressed.connect(card_burned.emit)
@@ -29,7 +32,7 @@ func burn_cards(_id, _repeat):
 	
 	random_cards.shuffle()
 	
-	for ancor:Control in [%Ancor1, %Ancor2, %Ancor3, %Ancor4]:
+	for ancor:Control in ancors:
 		if random_cards.size() > 0:
 			ancor.get_child(0).queue_free()
 			var new_child: Card = random_cards.pop_front()
@@ -54,3 +57,42 @@ func handle_hover(to_handle: Area2D):
 func handle_mouse_button(event: InputEventMouseButton, card: Card):
 	if event.button_index == MOUSE_BUTTON_MASK_LEFT and event.is_pressed() and not event.is_echo():
 		card.burn_state = Card.burned.BURNING
+
+func _input(event: InputEvent) -> void:
+	if has_stage:
+		if event.is_action_pressed("ui_up"):
+			handle_direction_input(Vector2.UP)
+		elif event.is_action_pressed("ui_down"):
+			handle_direction_input(Vector2.DOWN)
+		elif event.is_action_pressed("ui_left"):
+			handle_direction_input(Vector2.LEFT)
+		elif event.is_action_pressed("ui_right"):
+			handle_direction_input(Vector2.RIGHT)
+			
+
+
+var focus_cards: bool = true
+var card_index: int = 0:
+	set(index):
+		ancors[card_index].get_child(0)._on_mouse_exited()
+		card_index = index % 4
+		handle_hover(ancors[card_index].get_child(0))
+func handle_direction_input(direction: Vector2):
+	cursor.gamepad_mode = true
+	match direction:
+		Vector2.UP:
+			focus_cards = true
+			cursor.visible = true
+			%SkipButton.release_focus()
+			card_index = card_index
+		Vector2.DOWN:
+			focus_cards = false
+			cursor.visible = false
+			%SkipButton.grab_focus()
+			ancors[card_index].get_child(0)._on_mouse_exited()
+		Vector2.LEFT:
+			card_index -= 1
+		Vector2.RIGHT:
+			card_index += 1
+	cursor.gamepad_target = ancors[card_index].get_child(0).global_position + Vector2(-120, 150)
+	if not focus_cards: cursor.gamepad_target += Vector2(0, 50)

src/logic-scenes/card_burner/card_burner.tscn

@@ -47,7 +47,7 @@ tracks/0/keys = {
 tracks/1/type = "value"
 tracks/1/imported = false
 tracks/1/enabled = true
-tracks/1/path = NodePath("../../CursorCandle:color")
+tracks/1/path = NodePath("../../CandleCursor:color")
 tracks/1/interp = 1
 tracks/1/loop_wrap = true
 tracks/1/keys = {
@@ -74,7 +74,7 @@ tracks/0/keys = {
 tracks/1/type = "value"
 tracks/1/imported = false
 tracks/1/enabled = true
-tracks/1/path = NodePath("../../CursorCandle:color")
+tracks/1/path = NodePath("../../CandleCursor:color")
 tracks/1/interp = 1
 tracks/1/loop_wrap = true
 tracks/1/keys = {
@@ -214,7 +214,8 @@ self_modulate = Color(1, 1, 1, 0)
 scale = Vector2(100, 100)
 texture = SubResource("GradientTexture2D_x6cxt")
 
-[node name="CursorCandle" parent="." instance=ExtResource("3_l4ogr")]
+[node name="CandleCursor" parent="." instance=ExtResource("3_l4ogr")]
+unique_name_in_owner = true
 
 [node name="AnimationPlayer" type="AnimationPlayer" parent="."]
 root_node = NodePath("../Control/HSplitContainer")