adds track parser from txt files

2020-11-03 00:47:59 +01:00
parent d5ad9b8e1c
commit 4f2a4768c8
31 changed files with 649 additions and 103 deletions
--- a/track_selection.gd
+++ b/track_selection.gd
@@ -0,0 +1,89 @@
+extends Node
+
+const TRACKS_PATH = "res://assets/tracks/"
+
+var _tracks = [
+	[  Vector2(2, 1), Vector2(3, 1), Vector2(4, 1),
+		Vector2(4, 2), Vector2(3, 2), Vector2(2, 2), Vector2(1, 2), Vector2(1, 1),
+	
+	],
+	[ Vector2(7,1), Vector2(8,1), Vector2(9,1), Vector2(9,2), Vector2(9,3),
+		Vector2(8,3), Vector2(7,3), Vector2(7,4), Vector2(7,5), Vector2(7,6),
+		Vector2(6,6), Vector2(6,5), Vector2(6,4), Vector2(6,3), Vector2(5,3),
+		Vector2(4,3), Vector2(4,2), Vector2(4,1), Vector2(5,1), Vector2(6,1), ],
+]
+var _selected : int = 1
+
+func _ready():
+	_load_tracks()
+
+func set_next_track():
+	_selected = wrapi(_selected + 1, 0, _tracks.size())
+
+func set_previous_track():
+	_selected = wrapi(_selected - 1, 0, _tracks.size())
+
+func get_current_track():
+	return _tracks[_selected]
+
+func _load_tracks():
+	var loaded = []
+	for path in _find_track_files():
+		var file = File.new()
+		file.open(path, File.READ)
+		var track = _load_from_txt(file.get_as_text())
+		if track.size() > 1:
+			loaded.append(track)
+		else:
+			print("Error in track file : ", path)
+	
+	if loaded:
+		print("Successfully loaded ", loaded.size(), " tracks.")
+		_tracks = loaded
+
+
+func _load_from_txt(content):
+	var used_cells = []
+	var start
+	# Load the content
+	var lines = content.split("\n")
+	for y in range(0, lines.size()):
+		for x in range(0, lines[y].length()):
+			if lines[y][x] == "s":
+				start = Vector2(x,y)
+			elif lines[y][x] == "x":
+				used_cells.append(Vector2(x,y))
+	# Build an oriented path from start cell going right first
+	var path = [start]
+	while used_cells.size() > 0:
+		var next = __find_adjacent(path[-1], used_cells)
+		if next == -1:
+			print("Error while loading path. (Path is invalid)")
+		else:
+			path.append(used_cells[next])
+			used_cells.remove(next)
+	#print_debug("Loading map from txt. Starting at : ", start, " | Path : \n", path)
+	return path
+	
+
+func __find_adjacent(coords, cells):
+	for dir in [Vector2(1,0), Vector2(0,1), Vector2(-1,0), Vector2(0,-1)]:
+		var idx = cells.find(coords + dir)
+		if idx != -1:
+			return idx
+	return -1
+
+func _find_track_files():
+	var tracks = []
+	var dir = Directory.new()
+	if dir.open(TRACKS_PATH) == OK:
+		dir.list_dir_begin(true, true)
+		while true:
+			var file = dir.get_next()
+			if file == "":
+				break
+			if file.ends_with(".txt"):
+				tracks.append(TRACKS_PATH + file)
+		return tracks
+	else:
+		print("An error occured while trying to load tracks. (Folder not found)")