59 lines
1.8 KiB
GDScript3
59 lines
1.8 KiB
GDScript3
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extends Path3D
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@export var speed: float = 1.0
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@export var item_offset: Vector3 = Vector3(0,1,0)
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var transported_items: Dictionary[Item, PackedFloat64Array] = {}
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@onready var producer: Producer = $Producer
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@onready var multimesh: MultiMeshInstance3D = $MultiMeshInstance3D
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var test_timer: float = 0
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@onready var test_item: Item = load("res://items/metal.tres")
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func _process(delta: float) -> void:
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test_timer += delta
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if test_timer >= 2.0:
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test_timer -= 2.0
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add_item(test_item)
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var belt_moving: bool = check_items_at_end()
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if belt_moving:
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for transported_item_type in transported_items.keys():
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var offsets: PackedFloat64Array = transported_items[transported_item_type]
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multimesh.multimesh.instance_count = offsets.size()
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for i in range(offsets.size()):
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offsets[i] += (delta * speed)
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position_item(i, transported_item_type, offsets[i])
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func add_item(item: Item) -> void:
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var offsets: PackedFloat64Array
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if transported_items.has(item):
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offsets = transported_items[item]
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else:
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offsets = []
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offsets.append(0.0)
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transported_items[item] = offsets
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func check_items_at_end() -> bool:
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var length: float = curve.get_baked_length()
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var belt_moving: bool = true
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for transported_item_type in transported_items.keys():
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var offsets: PackedFloat64Array = transported_items[transported_item_type]
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var to_delete: Array[int] = []
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for i in range(offsets.size()):
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if offsets[i] >= length:
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var sent: bool = producer.send_item(transported_item_type)
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if !sent:
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belt_moving = false
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else:
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to_delete.append(i)
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for d in to_delete:
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offsets.remove_at(d)
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return belt_moving
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func position_item(instance: int, item: Item, offset: float) -> void:
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var trans: Transform3D = curve.sample_baked_with_rotation(offset).translated_local(item_offset)
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multimesh.multimesh.set_instance_transform(instance, trans)
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