Adds score tracking to level

Scenes/main.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=4 format=3 uid="uid://bs6an72avch86"]
+[gd_scene load_steps=5 format=3 uid="uid://bs6an72avch86"]
 
 [ext_resource type="PackedScene" uid="uid://gkqku38yb2ng" path="res://Scenes/level.tscn" id="1_bo1nx"]
 [ext_resource type="PackedScene" uid="uid://d0okbjqyaoe0w" path="res://Scenes/snake_part.tscn" id="2_8gbba"]
 [ext_resource type="PackedScene" uid="uid://bldekmt1rakjl" path="res://Scenes/fruit.tscn" id="3_8gbba"]
+[ext_resource type="PackedScene" uid="uid://mp03fsd536be" path="res://Scenes/score_display.tscn" id="4_jjvhh"]
 
 [node name="Main" type="Node2D"]
 
@@ -34,5 +35,11 @@ position = Vector2(707, 325)
 
 [node name="RestartTimer" type="Timer" parent="." groups=["GameClockPause"]]
 
+[node name="ScoreDisplay" parent="." instance=ExtResource("4_jjvhh")]
+offset_left = 4.0
+offset_top = 42.0
+offset_right = 156.0
+offset_bottom = 197.0
+
 [connection signal="area_exited" from="Level" to="SnakePart" method="_on_level_area_exited"]
 [connection signal="timeout" from="RestartTimer" to="Timer" method="start" binds= [0.3]]

Scenes/score_display.tscn

@@ -0,0 +1,35 @@
+[gd_scene load_steps=2 format=3 uid="uid://mp03fsd536be"]
+
+[ext_resource type="Script" uid="uid://bwiflwp3hufyu" path="res://Scripts/score_display.gd" id="1_abl27"]
+
+[node name="ScoreDisplay" type="VBoxContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_abl27")
+
+[node name="ScoreLabel" type="Label" parent="."]
+layout_mode = 2
+text = "Score
+0"
+horizontal_alignment = 1
+
+[node name="LengthLabel" type="Label" parent="."]
+layout_mode = 2
+text = "Length
+3"
+horizontal_alignment = 1
+
+[node name="PendingLengthLabel" type="Label" parent="."]
+layout_mode = 2
+text = "Length
+3"
+horizontal_alignment = 1
+
+[node name="OuroborosPossibleLabel" type="Label" parent="."]
+layout_mode = 2
+text = "Ouroboros Possible
+No"
+horizontal_alignment = 1

Scripts/game_manager.gd

@@ -0,0 +1,3 @@
+extends Node
+
+var score : int = 0

Scripts/game_manager.gd.uid

@@ -0,0 +1 @@
+uid://ce6w51wxkuq4l

Scripts/score_display.gd

@@ -0,0 +1,34 @@
+extends VBoxContainer
+
+@onready
+var score_label : Label = $ScoreLabel
+@onready
+var length_label : Label = $LengthLabel
+@onready
+var pending_length_label : Label = $PendingLengthLabel
+@onready
+var ouroboros_label : Label = $OuroborosPossibleLabel
+
+var ouroboros_possible : bool = false
+
+func _process(delta: float) -> void:
+	score_label.text = "Score\n{score}".format(GameManager)
+	length_label.text = "Length\n{0}".format([get_snake_length()])
+	var head : Node = get_tree().get_first_node_in_group("Head")
+	if head is SnakePart:
+		pending_length_label.text = "Eventual Length\n{0}".format([get_snake_length() + head.queued_growth])
+	if ouroboros_possible:
+		ouroboros_label.text = "Ouroboros Possible\nYes"
+	else:
+		ouroboros_label.text = "Ouroboros Possible\nNo"
+
+func get_snake_length() -> int:
+	var length : int = 0
+	var obstacles : Array = get_tree().get_nodes_in_group("BlocksSpawn")
+	for obstacle in obstacles:
+		if obstacle is SnakePart:
+			if obstacle.state == obstacle.States.ALIVE:
+				length += 1
+	
+	ouroboros_possible = !length % 2
+	return length

Scripts/score_display.gd.uid

@@ -0,0 +1 @@
+uid://bwiflwp3hufyu

Scripts/snake_part.gd

@@ -33,7 +33,7 @@ var timer_ref : Timer = $"../Timer"
 
 var next_part : SnakePart = null
 var skip_next_move_propagation : bool = false
-var queued_growth : int = 21
+var queued_growth : int = 0
 
 signal on_movement(new_dir)
 signal on_death
@@ -238,6 +238,7 @@ func ouroboros() -> void:
 	
 	# The head can spawn a new snake
 	if part_type == PartTypes.HEAD:
+		GameManager.score += 1
 		get_tree().get_first_node_in_group("GameClockPause").start(1)
 		get_tree().get_first_node_in_group("GameClock").stop()
 		spawn_new_snake()

project.godot

@@ -17,6 +17,7 @@ config/icon="res://icon.svg"
 [autoload]
 
 GridManager="*res://Scripts/grid_manager.gd"
+GameManager="*res://Scripts/game_manager.gd"
 
 [global_group]