(wip) Player food

evolve-die-repeat/molecular/food/food_manager.gd

@@ -0,0 +1,50 @@
+extends Node
+class_name FoodManager2D
+
+var minCount: int = 20
+var _currentCount: int = 0
+
+var rng = RandomNumberGenerator.new()
+
+@export var foodTypes: Array[PackedScene] = [] 
+
+## The probabilities have to add up to 1.0
+@export var foodProbs: Array[float] = []  
+
+@export var spawnRange: Rect2 = Rect2(0, 0, 0, 0)
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	spawnRange = GameManager.extent
+	call_deferred("_spawn_minimum")
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func _spawn_minimum() -> void:
+	while _currentCount < minCount:
+		_spawn_random()
+
+func _random_pos() -> Vector2:
+	return Vector2(randf_range(spawnRange.position[0], spawnRange.size[0]), randf_range(spawnRange.position[1], spawnRange.size[1]))
+
+func _spawn_random() -> void:
+	var pos = _random_pos()
+	_spawn_food(pos)
+	_currentCount += 1
+
+func _spawn_food(position: Vector2) -> void:
+	var instance = foodTypes[rng.rand_weighted(foodProbs)].instantiate()
+	instance.position = position
+	add_child(instance)
+	if instance.has_signal("consumed"):
+		instance.consumed.connect(_on_entity_consumed)
+		
+		
+func _on_entity_consumed() -> void:
+	_currentCount = max(0, _currentCount-1)
+	call_deferred("_spawn_minimum")
+	
+# TODO: Spawn food when an entity (any) dies