100 lines
3.2 KiB
GDScript
100 lines
3.2 KiB
GDScript
@tool
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extends Control
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const MIN_UI_CIRCLE_SIZE = 40
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const MAX_UI_CIRCLE_SIZE = 500
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@onready var _brush_size_background: TextureRect = %BrushSizeBackground
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@onready var _brush_size_preview: TextureRect = %BrushSizePreview
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@onready var _value_label: Label = %ValueLabel
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@onready var _overlay_name_label: Label = %OverlayNameLabel
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@onready var _exponential_slider: HSlider = %ExponentialSlider
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@export var brush_size_factor: float = 2.5
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@export var min_value: float = -1
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@export var max_value: float = -1
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var _brush_preview_color: Color = Color.LIGHT_GREEN
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var _dpi_scale: float = 1.0
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var _value: float = 0.0
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signal on_value_selected(new_value: int)
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signal on_cancel
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var background_margin: int = 10
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func _physics_process(delta: float) -> void:
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_update_size(_get_mouse_distance())
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func _input(event: InputEvent) -> void:
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if event is InputEventMouseButton:
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if event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
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on_value_selected.emit(_value)
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else:
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on_cancel.emit()
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if event is InputEventKey:
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if event.keycode == KEY_ESCAPE and event.pressed:
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on_cancel.emit()
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func set_brush_preview_color(brush_color: Color) -> void:
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_brush_preview_color = brush_color
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_update_brush_preview_color()
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func _update_brush_preview_color() -> void:
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_brush_size_preview.modulate = _brush_preview_color
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func set_overlay_name(overlay_label_name: String) -> void:
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_overlay_name_label.text = overlay_label_name
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func _update_size(value: float) -> void:
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var dist := clampi(value * brush_size_factor, MIN_UI_CIRCLE_SIZE*_dpi_scale, MAX_UI_CIRCLE_SIZE*_dpi_scale )
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var ui_size := clampi(dist, MIN_UI_CIRCLE_SIZE*_dpi_scale, MAX_UI_CIRCLE_SIZE*_dpi_scale)
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_brush_size_background.size = Vector2(ui_size + background_margin, ui_size + background_margin)
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_brush_size_background.position = Vector2(-( (ui_size/2) + (background_margin/2)) , -( (ui_size/2) + (background_margin/2)))
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_brush_size_preview.size = Vector2(ui_size, ui_size)
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_brush_size_preview.position = Vector2(-(ui_size/2) , -(ui_size/2))
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_exponential_slider.min_value = MIN_UI_CIRCLE_SIZE*_dpi_scale
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_exponential_slider.max_value = MAX_UI_CIRCLE_SIZE*_dpi_scale
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_exponential_slider.value = (_exponential_slider.min_value+_exponential_slider.max_value)-ui_size
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var re_value: float = absf(1.0-_exponential_slider.get_as_ratio()) * (max_value-min_value)
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re_value += min_value
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_value = roundi(re_value)
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_value_label.text = str(_value)
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func apply_dpi_scale(dpi_scale: float) -> void:
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_dpi_scale = dpi_scale
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func setup_start_position(start_pos: Vector2, initial_value: float) -> void:
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position = start_pos
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_exponential_slider.min_value = MIN_UI_CIRCLE_SIZE*_dpi_scale
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_exponential_slider.max_value = MAX_UI_CIRCLE_SIZE*_dpi_scale
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var reverse: float = (initial_value - min_value) / (max_value-min_value)
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reverse = absf(1-reverse)
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_exponential_slider.set_as_ratio(reverse)
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var ui_size: float = (_exponential_slider.min_value+_exponential_slider.max_value) - _exponential_slider.value
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position.x -= (ui_size/brush_size_factor)
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func _get_mouse_distance() -> float:
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var global_mouse_pos: Vector2 = get_global_mouse_position()
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var distance: float = position.distance_to(global_mouse_pos)
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if position.x > global_mouse_pos.x:
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distance = 0
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return distance;
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