171 lines
4.5 KiB
GDScript
171 lines
4.5 KiB
GDScript
extends CanvasLayer
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var _interactables: Array[Node] = []
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var _active_interactable: Node = null
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var _dialog_visible := false
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var _dialog_source: Node = null
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var _prompt_label: Label
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var _dialog_panel: PanelContainer
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var _dialog_label: RichTextLabel
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func _ready() -> void:
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layer = 50
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process_mode = Node.PROCESS_MODE_ALWAYS
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_setup_ui()
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_set_dialog_visible(false)
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_update_prompt_visibility()
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func _process(_delta: float) -> void:
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if Input.is_action_just_pressed("interact"):
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if _dialog_visible:
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_set_dialog_visible(false)
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return
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if _active_interactable != null:
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_open_dialog_for(_active_interactable)
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func register_interactable(interactable: Node) -> void:
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if interactable == null:
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return
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if _interactables.has(interactable):
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return
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_interactables.append(interactable)
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_refresh_active_interactable()
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func unregister_interactable(interactable: Node) -> void:
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if interactable == null:
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return
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_interactables.erase(interactable)
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_refresh_active_interactable()
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func _refresh_active_interactable() -> void:
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while _interactables.size() > 0 and not is_instance_valid(_interactables[_interactables.size() - 1]):
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_interactables.pop_back()
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_active_interactable = _interactables[_interactables.size() - 1] if _interactables.size() > 0 else null
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_update_prompt_visibility()
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func _open_dialog_for(interactable: Node) -> void:
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if _dialog_label:
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_dialog_label.text = _get_dialog_text(interactable)
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_dialog_source = interactable
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_set_dialog_visible(true)
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func show_text(text: String) -> void:
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if _dialog_label:
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_dialog_label.text = text
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_dialog_source = null
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_set_dialog_visible(true)
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func show_text_from(source: Node, text: String) -> void:
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if _dialog_label:
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_dialog_label.text = text
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_dialog_source = source
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_set_dialog_visible(true)
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func close_if_text(expected_text: String) -> void:
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if not _dialog_visible:
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return
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if _dialog_label == null:
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return
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if _dialog_label.text != expected_text:
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return
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_set_dialog_visible(false)
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func is_dialog_open() -> bool:
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return _dialog_visible
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func is_dialog_open_from(source: Node) -> bool:
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return _dialog_visible and _dialog_source == source
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func close_if_source(source: Node) -> void:
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if not _dialog_visible:
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return
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if _dialog_source != source:
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return
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_set_dialog_visible(false)
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func _set_dialog_visible(dialog_open: bool) -> void:
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_dialog_visible = dialog_open
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if not _dialog_visible:
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_dialog_source = null
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if _dialog_panel:
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_dialog_panel.visible = _dialog_visible
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_update_prompt_visibility()
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func _update_prompt_visibility() -> void:
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if _prompt_label == null:
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return
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var has_active := _active_interactable != null
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_prompt_label.visible = has_active and not _dialog_visible
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if _prompt_label.visible:
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_prompt_label.text = _get_prompt_text(_active_interactable)
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func _get_prompt_text(interactable: Node) -> String:
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if interactable == null:
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return ""
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if interactable.has_method("get_dialog_prompt"):
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return String(interactable.call("get_dialog_prompt"))
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return "Press E to interact"
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func _get_dialog_text(interactable: Node) -> String:
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if interactable == null:
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return ""
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if interactable.has_method("get_dialog_text"):
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return String(interactable.call("get_dialog_text"))
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return "..."
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func _setup_ui() -> void:
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var root := Control.new()
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root.name = "DialogRoot"
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root.set_anchors_preset(Control.PRESET_FULL_RECT)
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root.mouse_filter = Control.MOUSE_FILTER_IGNORE
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add_child(root)
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_prompt_label = Label.new()
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_prompt_label.name = "PromptLabel"
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_prompt_label.set_anchors_preset(Control.PRESET_CENTER_BOTTOM)
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_prompt_label.offset_left = -140.0
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_prompt_label.offset_top = -64.0
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_prompt_label.offset_right = 140.0
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_prompt_label.offset_bottom = -36.0
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_prompt_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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_prompt_label.mouse_filter = Control.MOUSE_FILTER_IGNORE
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_prompt_label.text = "Press E to interact"
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root.add_child(_prompt_label)
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_dialog_panel = PanelContainer.new()
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_dialog_panel.name = "DialogPanel"
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_dialog_panel.visible = false
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_dialog_panel.set_anchors_preset(Control.PRESET_CENTER_BOTTOM)
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_dialog_panel.offset_left = -300.0
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_dialog_panel.offset_top = -220.0
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_dialog_panel.offset_right = 300.0
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_dialog_panel.offset_bottom = -80.0
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_dialog_panel.mouse_filter = Control.MOUSE_FILTER_IGNORE
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root.add_child(_dialog_panel)
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_dialog_label = RichTextLabel.new()
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_dialog_label.name = "DialogText"
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_dialog_label.custom_minimum_size = Vector2(560.0, 120.0)
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_dialog_label.fit_content = true
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_dialog_label.scroll_active = false
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_dialog_label.bbcode_enabled = true
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_dialog_label.text = ""
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_dialog_panel.add_child(_dialog_label)
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