Json-based dialog

- Json-based dialog using code from the JRPG demo
- Moved advisor scenes to their own directory
- Year now has a "Y" prefix
- Docs directory

scripts/Adviser.gd

@@ -1,19 +1,43 @@
 extends AcceptDialog
 
+export(String, FILE, "*.json") var dialogue_file
+export var advisor_name: String
+export var rank: String
+export(Texture) var avatar
+export var dialog = 0
+
+var dialogue_keys = []
+var dialogue_name = ""
+var dialogue_text = ""
+
 onready var avatar_texture = $Container/Advisor/Avatar
 onready var rank_label = $Container/Advisor/RankLbl
 onready var name_label = $Container/Advisor/NameLbl
 onready var description_label = $Container/DescriptionLbl
 
-export var advisor_name: String
-export var rank: String
-export var title: String
-export(String, MULTILINE) var description
-export(Texture) var avatar
+func start_dialogue():
+	index_dialogue()
+	description_label.text = dialogue_keys[dialog].text
+	self.window_title = dialogue_keys[dialog].name
+	
+
+func index_dialogue():
+	var dialogue = load_dialogue(dialogue_file)
+	dialogue_keys.clear()
+	for key in dialogue:
+		dialogue_keys.append(dialogue[key])
+
+func load_dialogue(file_path):
+	var file = File.new()
+	if file.file_exists(file_path):
+		file.open(file_path, file.READ)
+		var dialogue = parse_json(file.get_as_text())
+		return dialogue
 
 func _ready():
-	self.window_title = title
-	description_label.text = description
+	load_dialogue(dialogue_file)
+	self.show()
+	start_dialogue()
 	avatar_texture.texture = avatar
 	name_label.text = advisor_name
 	rank_label.text = rank

scripts/city_status.gd

@@ -9,4 +9,4 @@ func _ready():
 	
 func _process(delta):
 	money.text = str(SimData.budget)
-	year.text = str(SimData.year)
+	year.text = "Y" + str(SimData.year)