Allow multiple level sets, pull out default order into "sequence" file

levels/bottom-up/sequence

@@ -0,0 +1,18 @@
+welcome
+basics
+blob-create
+blob-remove
+index-add
+index-remove
+index-update
+tree-create
+tree-read
+tree-nested
+commit-create
+commit-parents
+commit-rhombus
+ref-create
+ref-move
+ref-remove
+symref-create
+symref-no-deref

levels/top-down/sequence

@@ -0,0 +1 @@
+welcome

levels/top-down/welcome/description

@@ -0,0 +1 @@
+Hiiii!

main.gd

@@ -2,6 +2,8 @@ extends Control
 
 var dragged = null
 
+var level_set = "top-down"
+#var level_set = "bottom-up"
 var current_level = 0
 
 export(NodePath) var terminal_path
@@ -42,48 +44,34 @@ func _ready():
 func list_levels():
 	var levels = []
 	var dir = Directory.new()
-	dir.open("res://levels")
+	dir.open("res://levels/%s" % level_set)
 	dir.list_dir_begin()
 
 	while true:
 		var file = dir.get_next()
 		if file == "":
 			break
-		elif not file.begins_with("."):
+		elif not file.begins_with(".") and file != "sequence":
 			levels.append(file)
 
 	dir.list_dir_end()
 	levels.sort()
 	
-	var level_sequence = [
+	var final_level_sequence = []
-		"welcome",
+	
-		"basics",
+	var level_sequence = Array(game.read_file("res://levels/%s/sequence" % level_set, "").split("\n"))
-		"blob-create",
-		"blob-remove",
-		"index-add",
-		"index-remove",
-		"index-update",
-		"tree-create",
-		"tree-read",
-		"tree-nested",
-		"commit-create",
-		"commit-parents",
-		"commit-rhombus",
-		"ref-create",
-		"ref-move",
-		"ref-remove",
-		"symref-create",
-		"symref-no-deref",
-	]
 	
 	for level in level_sequence:
+		if level == "":
+			continue
 		if not levels.has(level):
 			push_error("Level '%s' is specified in the sequence, but could not be found" % level)
 		levels.erase(level)
+		final_level_sequence.push_back(level)
 	
-	level_sequence += levels
+	final_level_sequence += levels
 	
-	return level_sequence
+	return final_level_sequence
 
 func load_level(id):
 	next_level_button.hide()
@@ -94,7 +82,7 @@ func load_level(id):
 	var levels = list_levels()
 	
 	var level = levels[id]
-	var level_prefix = "res://levels/"
+	var level_prefix = "res://levels/%s/" % level_set
 	
 	var goal_repository_path = "/tmp/goal/"
 	var active_repository_path = "/tmp/active/"

text_editor.tscn

@@ -19,9 +19,9 @@ anchor_left = 1.0
 anchor_top = 1.0
 anchor_right = 1.0
 anchor_bottom = 1.0
-margin_left = -117.279
+margin_left = -114.396
 margin_top = -59.399
-margin_right = -17.2788
+margin_right = -14.3955
 margin_bottom = -14.399
 focus_mode = 0
 custom_fonts/font = ExtResource( 1 )
@@ -34,9 +34,9 @@ __meta__ = {
 [node name="CloseButton" type="Button" parent="."]
 anchor_left = 1.0
 anchor_right = 1.0
-margin_left = -50.0
+margin_left = -54.3247
 margin_top = 12.0
-margin_right = -10.0
+margin_right = -14.3247
 margin_bottom = 52.0
 focus_mode = 0
 custom_fonts/font = ExtResource( 1 )