Update

demos/4. branching condition/branching_condition_dialogue.gd

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+extends DialogueEngine
+
+var have_we_talked_before : bool = false
+
+enum branch {
+	STRANGERS,
+	ACQUAINTANCES,
+}
+
+func __have_we_talked_before() -> bool:
+	return have_we_talked_before
+
+func _setup() -> void:
+	add_text_entry("Hello!")
+	var condition_entry : DialogueEntry = add_conditional_entry(__have_we_talked_before)
+	var if_true : DialogueEntry = add_text_entry("Hey! We meet again!", branch.STRANGERS)
+	var if_false : DialogueEntry = add_text_entry("It's nice to meet you!", branch.ACQUAINTANCES)
+	condition_entry.set_condition_goto_ids(if_true.get_id(), if_false.get_id())
+	add_text_entry("<Press 'Enter' or 'Space' to exit>")
+
+	dialogue_finished.connect(func() -> void: have_we_talked_before = true)

demos/4. branching condition/branching_condition_log.gd

@@ -0,0 +1,38 @@
+extends VBoxContainer
+
+@export var dialogue_gdscript : GDScript = null
+var dialogue_engine : DialogueEngine = null
+
+var dialogue_finished_count : int = 0
+
+func _ready() -> void:
+	dialogue_engine = dialogue_gdscript.new()
+	dialogue_engine.dialogue_continued.connect(__on_dialogue_continued)
+	dialogue_engine.dialogue_finished.connect(__on_dialogue_finished)
+
+
+func _input(p_input_event : InputEvent) -> void:
+	if p_input_event.is_action_pressed(&"ui_accept"):
+		dialogue_engine.advance()
+
+
+var enabled_buttons : Array[Button] = []
+func __on_dialogue_continued(p_dialogue_entry : DialogueEntry) -> void:
+	var label : RichTextLabel = RichTextLabel.new()
+	label.set_use_bbcode(true)
+	label.set_fit_content(true)
+	label.set_text("  > " + p_dialogue_entry.get_text())
+	add_child(label)
+
+
+func __on_dialogue_finished() -> void:
+	if dialogue_finished_count > 0:
+		get_tree().quit()
+		return
+	dialogue_finished_count += 1
+	var label : RichTextLabel = RichTextLabel.new()
+	label.set_fit_content(true)
+	label.set_text("<Some time passes>")
+	add_child(label)
+
+

demos/4. branching condition/branching_condition_log.tscn

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+[gd_scene load_steps=3 format=3 uid="uid://bl1d3ktmm0s7f"]
+
+[ext_resource type="Script" path="res://demos/4. branching condition/branching_condition_log.gd" id="1_7x7u2"]
+[ext_resource type="Script" path="res://demos/4. branching condition/branching_condition_dialogue.gd" id="2_yhcl2"]
+
+[node name="DialogueEngineDemoVBoxContainer" type="VBoxContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_7x7u2")
+dialogue_gdscript = ExtResource("2_yhcl2")
+
+[node name="DialogueEngineDemoQuickStartPanelContainer" type="PanelContainer" parent="."]
+layout_mode = 2
+
+[node name="DialogueEngineDemoQuickStartLabel" type="Label" parent="DialogueEngineDemoQuickStartPanelContainer"]
+layout_mode = 2
+text = "Press <Enter> or <Space> to progress the dialogue."
+horizontal_alignment = 1
+
+[node name="LogRichTextLabel" type="RichTextLabel" parent="."]
+layout_mode = 2
+text = "Log:"
+fit_content = true