1 files changed, 67 insertions, 0 deletions
diff --git a/src/tools/score_manager/scripts/score_manager.gd b/src/tools/score_manager/scripts/score_manager.gd
new file mode 100644
index 0000000..27a8dd4
--- /dev/null
+++ b/src/tools/score_manager/scripts/score_manager.gd
@@ -0,0 +1,67 @@
+extends Node
+
+export(PackedScene) var SCORE_LABEL: PackedScene
+
+var initial_stats: Stats = SaveData.get_stats()
+var stats: Stats = Stats.new()
+var mutation_stats: Array = [
+	Stats.new(),
+	Stats.new(),
+	Stats.new()
+]
+
+var last_snake_pos: Vector2 = Vector2.ZERO
+
+
+func _ready():
+	Event.connect("game_over", self, "_on_game_over")
+	Event.connect("food_eaten", self, "_on_food_eaten")
+	Event.connect("snake_path_new_point", self, "_on_snake_path_new_point")
+
+
+func _on_food_eaten(properties: Dictionary) -> void:
+	var points: int = properties["points"]
+	var location: Vector2 = properties["global_position"]
+	var amount_to_grow: int = _process_points(points)
+	_spawn_added_score_text(points, location)
+	_spawn_added_segment_text(amount_to_grow)
+
+
+func _process_points(points: int) -> int:
+	var score_to_grow: int = (stats.segments + 1) * Global.POINTS_TO_GROW - stats.points
+	var amount_to_grow: int = 0
+	var growth_progress: int
+	stats.points += points
+	if points >= score_to_grow:
+		amount_to_grow += 1
+		points -= score_to_grow
+		# maybe be careful with this
+		amount_to_grow += points / Global.POINTS_TO_GROW
+		stats.segments += amount_to_grow
+		Event.emit_signal("snake_add_new_segment", amount_to_grow)
+
+	growth_progress = Global.POINTS_TO_GROW - ((stats.segments + 1) * Global.POINTS_TO_GROW - stats.points)
+	Event.emit_signal("snake_growth_progress", growth_progress)
+	return amount_to_grow
+
+
+func _spawn_added_score_text(points: int, location: Vector2) -> void:
+	var label: ScoreLabel = SCORE_LABEL.instance()
+	add_child(label)
+	label.set_properties(points, Color.red, location)
+
+
+func _spawn_added_segment_text(amount: int) -> void:
+	if amount > 0:
+		var label: ScoreLabel = SCORE_LABEL.instance()
+		add_child(label)
+		label.set_properties(amount, Color.green, last_snake_pos, ScoreLabel.Type.BODY_SEGMENT)
+
+
+func _on_snake_path_new_point(coordinates: Vector2) -> void:
+	last_snake_pos = coordinates
+
+
+func _on_game_over() -> void:
+	print("Show comparison.")
+	Event.emit_signal("display_stats", initial_stats, stats, mutation_stats)