open-fpsz/addons/terrain_3d/editor/components/tool_settings.gd
2024-04-07 14:25:59 -04:00

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extends PanelContainer
signal picking(type, callback)
signal setting_changed
enum Layout {
HORIZONTAL,
VERTICAL,
GRID,
}
enum SettingType {
CHECKBOX,
SLIDER,
DOUBLE_SLIDER,
COLOR_SELECT,
PICKER,
POINT_PICKER,
}
const PointPicker: Script = preload("res://addons/terrain_3d/editor/components/point_picker.gd")
const DEFAULT_BRUSH: String = "circle0.exr"
const BRUSH_PATH: String = "res://addons/terrain_3d/editor/brushes"
const PICKER_ICON: String = "res://addons/terrain_3d/icons/icon_picker.svg"
const NONE: int = 0x0
const ALLOW_LARGER: int = 0x1
const ALLOW_SMALLER: int = 0x2
const ALLOW_OUT_OF_BOUNDS: int = 0x3
var brush_preview_material: ShaderMaterial
var list: HBoxContainer
var advanced_list: VBoxContainer
var settings: Dictionary = {}
func _ready() -> void:
list = HBoxContainer.new()
add_child(list, true)
add_brushes(list)
add_setting(SettingType.SLIDER, "size", 50, list, "m", 4, 200, 1, ALLOW_LARGER)
add_setting(SettingType.SLIDER, "opacity", 10, list, "%", 1, 100)
add_setting(SettingType.CHECKBOX, "enable", true, list)
add_setting(SettingType.COLOR_SELECT, "color", Color.WHITE, list)
add_setting(SettingType.PICKER, "color picker", Terrain3DEditor.COLOR, list)
add_setting(SettingType.SLIDER, "roughness", 0, list, "%", -100, 100, 1)
add_setting(SettingType.PICKER, "roughness picker", Terrain3DEditor.ROUGHNESS, list)
add_setting(SettingType.SLIDER, "height", 50, list, "m", -500, 500, 0.1, ALLOW_OUT_OF_BOUNDS)
add_setting(SettingType.PICKER, "height picker", Terrain3DEditor.HEIGHT, list)
add_setting(SettingType.DOUBLE_SLIDER, "slope", 0, list, "°", 0, 180, 1)
add_setting(SettingType.POINT_PICKER, "gradient_points", Terrain3DEditor.HEIGHT, list)
add_setting(SettingType.CHECKBOX, "drawable", false, list)
settings["drawable"].toggled.connect(_on_drawable_toggled)
var spacer: Control = Control.new()
spacer.size_flags_horizontal = Control.SIZE_EXPAND_FILL
list.add_child(spacer, true)
## Advanced Settings Menu
advanced_list = create_submenu(list, "Advanced", Layout.VERTICAL)
add_setting(SettingType.CHECKBOX, "automatic_regions", true, advanced_list)
add_setting(SettingType.CHECKBOX, "align_to_view", true, advanced_list)
add_setting(SettingType.CHECKBOX, "show_cursor_while_painting", true, advanced_list)
advanced_list.add_child(HSeparator.new(), true)
add_setting(SettingType.SLIDER, "gamma", 1.0, advanced_list, "γ", 0.1, 2.0, 0.01)
add_setting(SettingType.SLIDER, "jitter", 50, advanced_list, "%", 0, 100)
func create_submenu(p_parent: Control, p_button_name: String, p_layout: Layout) -> Container:
var menu_button: Button = Button.new()
menu_button.set_text(p_button_name)
menu_button.set_toggle_mode(true)
menu_button.set_v_size_flags(SIZE_SHRINK_CENTER)
menu_button.connect("toggled", _on_show_submenu.bind(menu_button))
var submenu: PopupPanel = PopupPanel.new()
submenu.connect("popup_hide", menu_button.set_pressed_no_signal.bind(false))
submenu.set("theme_override_styles/panel", get_theme_stylebox("panel", "PopupMenu"))
var sublist: Container
match(p_layout):
Layout.GRID:
sublist = GridContainer.new()
Layout.VERTICAL:
sublist = VBoxContainer.new()
Layout.HORIZONTAL, _:
sublist = HBoxContainer.new()
p_parent.add_child(menu_button, true)
menu_button.add_child(submenu, true)
submenu.add_child(sublist, true)
return sublist
func _on_show_submenu(p_toggled: bool, p_button: Button) -> void:
var popup: PopupPanel = p_button.get_child(0)
var popup_pos: Vector2 = p_button.get_screen_transform().origin
popup.set_visible(p_toggled)
popup_pos.y -= popup.get_size().y
popup.set_position(popup_pos)
func add_brushes(p_parent: Control) -> void:
var brush_list: GridContainer = create_submenu(p_parent, "Brush", Layout.GRID)
brush_list.name = "BrushList"
var brush_button_group: ButtonGroup = ButtonGroup.new()
brush_button_group.connect("pressed", _on_setting_changed)
var default_brush_btn: Button
var dir: DirAccess = DirAccess.open(BRUSH_PATH)
if dir:
dir.list_dir_begin()
var file_name = dir.get_next()
while file_name != "":
if !dir.current_is_dir() and file_name.ends_with(".exr"):
var img: Image = Image.load_from_file(BRUSH_PATH + "/" + file_name)
_black_to_alpha(img)
var tex: ImageTexture = ImageTexture.create_from_image(img)
var btn: Button = Button.new()
btn.set_custom_minimum_size(Vector2.ONE * 100)
btn.set_button_icon(tex)
btn.set_meta("image", img)
btn.set_expand_icon(true)
btn.set_material(_get_brush_preview_material())
btn.set_toggle_mode(true)
btn.set_button_group(brush_button_group)
btn.mouse_entered.connect(_on_brush_hover.bind(true, btn))
btn.mouse_exited.connect(_on_brush_hover.bind(false, btn))
brush_list.add_child(btn, true)
if file_name == DEFAULT_BRUSH:
default_brush_btn = btn
var lbl: Label = Label.new()
btn.add_child(lbl, true)
lbl.text = file_name.get_basename()
lbl.visible = false
lbl.position.y = 70
lbl.add_theme_color_override("font_shadow_color", Color.BLACK)
lbl.add_theme_constant_override("shadow_offset_x", 1)
lbl.add_theme_constant_override("shadow_offset_y", 1)
lbl.add_theme_font_size_override("font_size", 16)
file_name = dir.get_next()
brush_list.columns = sqrt(brush_list.get_child_count()) + 2
if not default_brush_btn:
default_brush_btn = brush_button_group.get_buttons()[0]
default_brush_btn.set_pressed(true)
settings["brush"] = brush_button_group
# Optionally erase the main brush button text and replace it with the texture
# var select_brush_btn: Button = brush_list.get_parent().get_parent()
# select_brush_btn.set_button_icon(default_brush_btn.get_button_icon())
# select_brush_btn.set_custom_minimum_size(Vector2.ONE * 36)
# select_brush_btn.set_icon_alignment(HORIZONTAL_ALIGNMENT_CENTER)
# select_brush_btn.set_expand_icon(true)
func _on_brush_hover(p_hovering: bool, p_button: Button) -> void:
if p_button.get_child_count() > 0:
var child = p_button.get_child(0)
if child is Label:
if p_hovering:
child.visible = true
else:
child.visible = false
func _on_pick(p_type: Terrain3DEditor.Tool) -> void:
emit_signal("picking", p_type, _on_picked)
func _on_picked(p_type: Terrain3DEditor.Tool, p_color: Color, p_global_position: Vector3) -> void:
match p_type:
Terrain3DEditor.HEIGHT:
settings["height"].value = p_color.r
Terrain3DEditor.COLOR:
settings["color"].color = p_color
Terrain3DEditor.ROUGHNESS:
# 200... -.5 converts 0,1 to -100,100
settings["roughness"].value = round(200 * (p_color.a - 0.5))
_on_setting_changed()
func _on_point_pick(p_type: Terrain3DEditor.Tool, p_name: String) -> void:
assert(p_type == Terrain3DEditor.HEIGHT)
emit_signal("picking", p_type, _on_point_picked.bind(p_name))
func _on_point_picked(p_type: Terrain3DEditor.Tool, p_color: Color, p_global_position: Vector3, p_name: String) -> void:
assert(p_type == Terrain3DEditor.HEIGHT)
var point: Vector3 = p_global_position
point.y = p_color.r
settings[p_name].add_point(point)
_on_setting_changed()
func add_setting(p_type: SettingType, p_name: StringName, p_value: Variant, p_parent: Control,
p_suffix: String = "", p_min_value: float = 0.0, p_max_value: float = 0.0, p_step: float = 1.0,
p_flags: int = NONE) -> void:
var container: HBoxContainer = HBoxContainer.new()
var label: Label = Label.new()
var control: Control
container.set_v_size_flags(SIZE_EXPAND_FILL)
match p_type:
SettingType.SLIDER, SettingType.DOUBLE_SLIDER:
label.set_vertical_alignment(VERTICAL_ALIGNMENT_CENTER)
label.set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER)
label.set_custom_minimum_size(Vector2(32, 0))
label.set_v_size_flags(SIZE_SHRINK_CENTER)
label.set_text(p_name.capitalize() + ": ")
container.add_child(label, true)
var slider: Control
if p_type == SettingType.SLIDER:
control = EditorSpinSlider.new()
control.set_flat(true)
control.set_hide_slider(true)
control.connect("value_changed", _on_setting_changed)
control.set_max(p_max_value)
control.set_min(p_min_value)
control.set_step(p_step)
control.set_value(p_value)
control.set_suffix(p_suffix)
control.set_v_size_flags(SIZE_SHRINK_CENTER)
slider = HSlider.new()
slider.share(control)
if p_flags & ALLOW_LARGER:
slider.set_allow_greater(true)
if p_flags & ALLOW_SMALLER:
slider.set_allow_lesser(true)
else:
control = Label.new()
control.set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER)
control.set_vertical_alignment(VERTICAL_ALIGNMENT_CENTER)
slider = DoubleSlider.new()
slider.label = control
slider.suffix = p_suffix
slider.connect("value_changed", _on_setting_changed)
control.set_custom_minimum_size(Vector2(75, 0))
slider.set_max(p_max_value)
slider.set_min(p_min_value)
slider.set_step(p_step)
slider.set_value(p_value)
slider.set_v_size_flags(SIZE_SHRINK_CENTER)
slider.set_h_size_flags(SIZE_SHRINK_END | SIZE_EXPAND)
slider.set_custom_minimum_size(Vector2(100, 10))
container.add_child(slider, true)
SettingType.CHECKBOX:
control = CheckBox.new()
control.set_text(p_name.capitalize())
control.set_pressed_no_signal(p_value)
control.connect("pressed", _on_setting_changed)
SettingType.COLOR_SELECT:
control = ColorPickerButton.new()
control.set_custom_minimum_size(Vector2(100, 10))
control.color = Color.WHITE
control.edit_alpha = false
control.get_picker().set_color_mode(ColorPicker.MODE_HSV)
control.connect("color_changed", _on_setting_changed)
SettingType.PICKER:
control = Button.new()
control.icon = load(PICKER_ICON)
control.tooltip_text = "Pick value from the Terrain"
control.connect("pressed", _on_pick.bind(p_value))
SettingType.POINT_PICKER:
control = PointPicker.new()
control.connect("pressed", _on_point_pick.bind(p_value, p_name))
control.connect("value_changed", _on_setting_changed)
container.add_child(control, true)
p_parent.add_child(container, true)
settings[p_name] = control
func get_setting(p_setting: String) -> Variant:
var object: Object = settings[p_setting]
var value: Variant
if object is Range:
value = object.get_value()
elif object is DoubleSlider:
value = [object.get_min_value(), object.get_max_value()]
elif object is ButtonGroup:
var img: Image = object.get_pressed_button().get_meta("image")
var tex: Texture2D = object.get_pressed_button().get_button_icon()
value = [ img, tex ]
elif object is CheckBox:
value = object.is_pressed()
elif object is ColorPickerButton:
value = object.color
elif object is PointPicker:
value = object.get_points()
return value
func hide_settings(p_settings: PackedStringArray) -> void:
for setting in settings.keys():
var object: Object = settings[setting]
if object is Control:
object.get_parent().show()
for setting in p_settings:
if settings.has(setting):
var object: Object = settings[setting]
if object is Control:
object.get_parent().hide()
func _on_setting_changed(p_data: Variant = null) -> void:
# If a button was clicked on a submenu
if p_data is Button and p_data.get_parent().get_parent() is PopupPanel:
if p_data.get_parent().name == "BrushList":
# Optionally Set selected brush texture in main brush button
# p_data.get_parent().get_parent().get_parent().set_button_icon(p_data.get_button_icon())
# Hide popup
p_data.get_parent().get_parent().set_visible(false)
# Hide label
if p_data.get_child_count() > 0:
p_data.get_child(0).visible = false
emit_signal("setting_changed")
func _on_drawable_toggled(p_button_pressed: bool) -> void:
if not p_button_pressed:
settings["gradient_points"].clear()
func _get_brush_preview_material() -> ShaderMaterial:
if !brush_preview_material:
brush_preview_material = ShaderMaterial.new()
var shader: Shader = Shader.new()
var code: String = "shader_type canvas_item;\n"
code += "varying vec4 v_vertex_color;\n"
code += "void vertex() {\n"
code += " v_vertex_color = COLOR;\n"
code += "}\n"
code += "void fragment(){\n"
code += " vec4 tex = texture(TEXTURE, UV);\n"
code += " COLOR.a *= pow(tex.r, 0.666);\n"
code += " COLOR.rgb = v_vertex_color.rgb;\n"
code += "}\n"
shader.set_code(code)
brush_preview_material.set_shader(shader)
return brush_preview_material
func _black_to_alpha(p_image: Image) -> void:
if p_image.get_format() != Image.FORMAT_RGBAF:
p_image.convert(Image.FORMAT_RGBAF)
for y in p_image.get_height():
for x in p_image.get_width():
var color: Color = p_image.get_pixel(x,y)
color.a = color.get_luminance()
p_image.set_pixel(x, y, color)
#### Sub Class DoubleSlider
class DoubleSlider extends Range:
var label: Label
var suffix: String
var grabbed: bool = false
var _max_value: float
func _gui_input(p_event: InputEvent) -> void:
if p_event is InputEventMouseButton:
if p_event.get_button_index() == MOUSE_BUTTON_LEFT:
grabbed = p_event.is_pressed()
set_min_max(p_event.get_position().x)
if p_event is InputEventMouseMotion:
if grabbed:
set_min_max(p_event.get_position().x)
func _notification(p_what: int) -> void:
if p_what == NOTIFICATION_RESIZED:
pass
if p_what == NOTIFICATION_DRAW:
var bg: StyleBox = get_theme_stylebox("slider", "HSlider")
var bg_height: float = bg.get_minimum_size().y
draw_style_box(bg, Rect2(Vector2(0, (size.y - bg_height) / 2), Vector2(size.x, bg_height)))
var grabber: Texture2D = get_theme_icon("grabber", "HSlider")
var area: StyleBox = get_theme_stylebox("grabber_area", "HSlider")
var h: float = size.y / 2 - grabber.get_size().y / 2
var minpos: Vector2 = Vector2((min_value / _max_value) * size.x - grabber.get_size().x / 2, h)
var maxpos: Vector2 = Vector2((max_value / _max_value) * size.x - grabber.get_size().x / 2, h)
draw_style_box(area, Rect2(Vector2(minpos.x + grabber.get_size().x / 2, (size.y - bg_height) / 2), Vector2(maxpos.x - minpos.x, bg_height)))
draw_texture(grabber, minpos)
draw_texture(grabber, maxpos)
func set_max(p_value: float) -> void:
max_value = p_value
if _max_value == 0:
_max_value = max_value
update_label()
func set_min_max(p_xpos: float) -> void:
var mid_value_normalized: float = ((max_value + min_value) / 2.0) / _max_value
var mid_value: float = size.x * mid_value_normalized
var min_active: bool = p_xpos < mid_value
var xpos_ranged: float = snappedf((p_xpos / size.x) * _max_value, step)
if min_active:
min_value = xpos_ranged
else:
max_value = xpos_ranged
min_value = clamp(min_value, 0, max_value - 10)
max_value = clamp(max_value, min_value + 10, _max_value)
update_label()
emit_signal("setting_changed", value)
queue_redraw()
func update_label() -> void:
if label:
label.set_text(str(min_value) + suffix + "/" + str(max_value) + suffix)