85 lines
1.8 KiB
GDScript
85 lines
1.8 KiB
GDScript
tool
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extends StaticBody2D
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class_name GameObjectEngine
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const LIGHT_STRENGTH_MULT = 0.002
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const MAX_ENERGY = 2
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const MAX_USAGE = 0.5
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enum Direction { LEFT, RIGHT, UP, DOWN }
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export(Direction) var direction = Direction.DOWN setget set_direction
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onready var activationRange = $ActivationRange as ActivationRange
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onready var manager = $PowerManager as PowerManager
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export var strength = 1.0 setget set_strength
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export var max_force = 0.3
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var force = 0
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func _ready() -> void:
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if not Engine.editor_hint:
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activationRange.visible = true
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$Light2D.visible = true
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func set_direction(dir) -> void:
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direction = dir
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refresh_sprite()
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func set_strength(val: float) -> void:
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strength = val
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$Light2D.energy = val * LIGHT_STRENGTH_MULT
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func refresh_sprite() -> void:
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var rot = 0
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match direction:
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Direction.DOWN:
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$engine.region_rect.position = Vector2(0, 0)
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rot = 0
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Direction.UP:
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$engine.region_rect.position = Vector2(0, 96)
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rot = PI
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Direction.LEFT:
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$engine.region_rect.position = Vector2(96, 96)
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rot = PI/2
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Direction.RIGHT:
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$engine.region_rect.position = Vector2(96, 0)
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rot = -PI/2
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$Light2D.rotation = rot
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$ActivationRange.rotation = rot
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func _physics_process(delta: float) -> void:
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if Engine.editor_hint:
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return
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manager.power_usage = max(1e-3, MAX_USAGE * strength)
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func _input_event(_viewport, event, _shape_idx):
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if Engine.editor_hint:
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return
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if event is InputEventMouseButton and event.pressed:
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if activationRange.in_range():
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# TODO
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pass
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func serialize():
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return {
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"direction": direction,
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"strength": strength
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}
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func deserialize(data):
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set_direction(data["direction"])
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set_strength(data["strength"])
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func _power_status_changed(powered):
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if powered:
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force = max_force
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$Light2D.enabled = true
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else:
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force = 0
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$Light2D.enabled = false
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