Added Dialogic and a test dialog

addons/dialogic/Core/Dialogic_Subsystem.gd

@@ -0,0 +1,41 @@
+class_name DialogicSubsystem
+extends Node
+
+var dialogic: DialogicGameHandler = null
+
+enum LoadFlags {FULL_LOAD, ONLY_DNODES}
+
+# To be overriden by sub-classes
+# Called once after every subsystem has been added to the tree
+func post_install() -> void:
+	pass
+
+
+# To be overriden by sub-classes
+# Fill in everything that should be cleared (for example before loading a different state)
+func clear_game_state(_clear_flag:=DialogicGameHandler.ClearFlags.FULL_CLEAR) -> void:
+	pass
+
+
+# To be overriden by sub-classes
+# Fill in everything that should be loaded using the dialogic_game_handler.current_state_info
+# This is called when a save is loaded
+func load_game_state(_load_flag:=LoadFlags.FULL_LOAD) -> void:
+	pass
+
+
+# To be overriden by sub-classes
+# Fill in everything that should be saved into the dialogic_game_handler.current_state_info
+# This is called when a save is saved
+func save_game_state() -> void:
+	pass
+
+
+# To be overriden by sub-classes
+func pause() -> void:
+	pass
+
+
+# To be overriden by sub-classes
+func resume() -> void:
+	pass