Add addons

Sprout/addons/dialogic/Resources/TimelineResourceSaver.gd

@@ -0,0 +1,96 @@
+@tool
+extends ResourceFormatSaver
+class_name DialogicTimelineFormatSaver
+
+
+func _get_recognized_extensions(resource: Resource) -> PackedStringArray:
+	return PackedStringArray(["dtl"])
+
+
+# Return true if this resource should be loaded as a DialogicTimeline 
+func _recognize(resource: Resource) -> bool:
+	# Cast instead of using "is" keyword in case is a subclass
+	resource = resource as DialogicTimeline
+	
+	if resource:
+		return true
+	
+	return false
+
+
+# Save the resource
+func _save(resource: Resource, path: String = '', flags: int = 0) -> int:
+	if resource.get_meta("timeline_not_saved", false):
+		if len(resource.events) == 0:
+			printerr("[Dialogic] Timeline save was called, but there are no events. Timeline will not be saved, to prevent accidental data loss. Please delete the timeline file if you are trying to clear all of the events.")
+			return ERR_INVALID_DATA
+		
+#		print('[Dialogic] Beginning saving timeline. Safety checks will be performed before writing, and temporary file will be created and removed if saving is successful...')
+		
+		#prepare everything before writing, we will only open the file if it's successfuly prepared, as that will clear the file contents
+		
+		var timeline_as_text :String = ""
+		# if events are resources, create text
+		if resource.events_processed:
+			
+			var indent := 0
+			for idx in range(0, len(resource.events)):
+				var event :DialogicEvent= resource.events[idx]
+				if event.event_name == 'End Branch':
+					indent -=1
+					continue
+				
+				for i in event.empty_lines_above:
+					timeline_as_text += '\t'.repeat(indent) + '\n'
+					
+				if event != null:
+					timeline_as_text += "\t".repeat(indent)+ event.event_node_as_text + "\n"
+				if event.can_contain_events:
+					indent += 1
+				if indent < 0: 
+					indent = 0
+		
+		# if events are string lines, just save them
+		else:
+			for event in resource.events:
+				timeline_as_text += event + "\n"
+		
+		# Now do the actual saving
+		if (len(timeline_as_text) > 0):
+			var file := FileAccess.open(path.replace(".dtl", ".tmp"), FileAccess.WRITE)
+			file.store_string(timeline_as_text)
+			file = null
+			
+			var dir = DirAccess.open("res://")
+			if  dir.file_exists(path.replace(".dtl", ".tmp")):
+				file = FileAccess.open(path.replace(".dtl", ".tmp"), FileAccess.READ)
+				var check_length = file.get_length()
+				if check_length > 0:
+					var check_result = file.get_as_text()
+					file = null
+					if timeline_as_text == check_result:
+						dir.copy(path.replace(".dtl", ".tmp"), path)
+						file = FileAccess.open(path, FileAccess.READ)
+						var check_result2 = file.get_as_text()
+						if timeline_as_text == check_result2:
+#							print('[Dialogic] Completed saving timeline "' , path, '"')
+							dir.remove(path.replace(".dtl", ".tmp"))
+						else:
+							printerr("[Dialogic] " + path + ": Overwriting .dtl file failed! Temporary file was saved as .tmp extension, please check to see if it matches your timeline, and rename to .dtl manually.")
+							return ERR_INVALID_DATA
+					else:
+						printerr("[Dialogic] " + path + ": Temporary timeline file contents do not match what was written! Temporary file was saved as .tmp extension, please check to see if it matches your timeline, and rename to .dtl manually.")
+						return ERR_INVALID_DATA
+				else:
+					printerr("[Dialogic] " + path + ": Temporary timeline file is empty! Timeline was not saved!")
+					dir.remove(path.replace(".dtl", ".tmp"))
+					return ERR_INVALID_DATA
+			else:
+				printerr("[Dialogic] " + path + ": Temporary timeline file failed to create! Timeline was not saved!")
+				return ERR_INVALID_DATA
+			
+		else: 
+			printerr("[Dialogic] " + path + ": Timeline failed to convert to text for saving! Timeline was not saved!")
+			return ERR_INVALID_DATA
+	
+	return OK