Avoid updating timeline and character directories at runtime (dialogi…

…c-godot#2363)

This removes a big amount of work on bigger projects and weaker systems (like android) by using the cache and not calling DialogicResourceUtil.update() on every project run. The files of the project should rarely change at runtime, so the cache does not really need updating there.

addons/dialogic/Core/DialogicGameHandler.gd

@@ -154,8 +154,6 @@ var Voice := preload("res://addons/dialogic/Modules/Voice/subsystem_voice.gd").n
 
 ## Autoloads are added first, so this happens REALLY early on game startup.
 func _ready() -> void:
-	DialogicResourceUtil.update()
-
 	_collect_subsystems()
 
 	clear()

addons/dialogic/Modules/Text/subsystem_text.gd

@@ -474,7 +474,7 @@ func collect_character_names() -> void:
 
 	character_colors = {}
 
-	for dch_path in DialogicResourceUtil.list_resources_of_type('.dch'):
+	for dch_path in DialogicResourceUtil.get_character_directory().values():
 		var character := (load(dch_path) as DialogicCharacter)
 
 		if character.display_name:

addons/dialogic/plugin.gd

@@ -143,4 +143,9 @@ func add_dialogic_default_action() -> void:
 	ProjectSettings.set_setting('input/dialogic_default_action', {'deadzone':0.5, 'events':[input_enter, input_left_click, input_space, input_x, input_controller]})
 	ProjectSettings.save()
 
+# Create cache when project is compiled
+func _build() -> bool:
+	DialogicResourceUtil.update()
+	return true
+
 #endregion