online multiplayer chess game (note server currently down)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
extends Node

var internet := false


static func compile(src: String) -> RegEx:
	var regex := RegEx.new()
	regex.compile(src)
	return regex


static func str_bool(string: String) -> bool:
	return string.to_lower().strip_edges() in ["true", "1", "on", "yes", "y", ""]


func expand_color(color: String) -> String:
	return "white" if color == "w" else "black"


func get_args() -> Dictionary:
	var arguments := {}
	for argument in OS.get_cmdline_args():
		var key_value = argument.split("=")
		if len(key_value) == 2:
			arguments[key_value[0].lstrip("--")] = key_value[1]
		else:
			arguments[key_value[0].lstrip("--")] = "true"
	return arguments


func _ready() -> void:
	cli()
	var t = Timer.new()
	add_child(t)
	t.name = "t"
	t.connect("timeout", self, "_on_timeout", [t])
	_on_timeout(t)


func cli() -> void:
	var args = get_args()
	if "help" in args or "h" in args:
		print("usage: ./chess%s [-help] [-debug [enabled]] [--host=gamecode | --join=gamecode]" % exec_ext())
		var options = """options:
	--help:             show this help message and exit
	--debug=enabled:    enable/disable debug mode
	--host=game_code:   host a game with the given game code
	--join=game_code:   join a game with the given game code
		"""
		print(options)
		get_tree().quit()  # dont wait
	if "host" in args or "join" in args:
		yield(PacketHandler, "connection_established")
		if "host" in args && args.host:
			print("hosting game: %s" % args.host)
			if PacketHandler.lobby.validate_text(args.host):
				var move_list = Pgn.parse(OS.get_environment("MOVES"), false).moves
				if move_list:
					print("with moves: %s" % move_list)
				PacketHandler.host_game(args.host, true, move_list)
				return
		elif "join" in args && args.join:
			print("joining game: %s" % args.join)
			if PacketHandler.lobby.validate_text(args.join):
				PacketHandler.join_game(args.join)
				return
		PacketHandler.lobby.set_buttons(true)
		printerr("error: invalid game code")
		get_tree().quit()  # dont wait
	# "debug" is handled by Debug.gd


func _on_timeout(timer: Timer) -> void:
	timer.start(600)  # every 10m
	request()  # ping server so it doesnt go down


static func exec_ext() -> String:
	if OS.has_feature("Windows"):
		return ".exe"
	elif OS.has_feature("OSX"):
		return ".app/Contents/MacOS/chess"
	elif OS.has_feature("X11"):
		return ".x86_64"
	elif OS.has_feature("web"):
		return ".html"
	return ""


func request() -> int:  # returns err
	var http := HTTPRequest.new()
	add_child(http)
	var httpurl: String = PacketHandler.url.replace("wss://", "http://")
	var error := http.request(httpurl, [], true, HTTPClient.METHOD_GET)
	http.free()
	internet = error == OK
	return error


func walk_dir(path := "res://assets/pieces", only_dir := true, exclude := []) -> PoolStringArray:  # walk the directory, finding the asset packs
	var files := []  # init the files
	var dir := Directory.new()  # init the directory
	if dir.open(path) == OK:  # open the directory
		dir.list_dir_begin(true)  # list the directory
		var file_name := dir.get_next()  # get the next file
		while file_name != "":  # while there is a file
			if only_dir:
				if dir.current_is_dir():  # if the current is a directory
					files.append(file_name)  # add the folder
			else:
				var split = file_name.split(".")
				if split[-1] == "import" and !split[0] in exclude:
					files.append(split[0])  # add the file
			file_name = dir.get_next()  # get the next file
	else:
		Log.err("An error occurred when trying to access the path " + path)  # print the error
	files.sort()  # sort the files
	return PoolStringArray(files)  # return the files


func format_seconds(time: float, use_milliseconds: bool = false) -> String:
	return "%02d:%04.1f" if use_milliseconds else "%02d:%02d" % [time / 60, fmod(time, 60)]


func _notification(what: int) -> void:
	if what == MainLoop.NOTIFICATION_WM_QUIT_REQUEST or what == MainLoop.NOTIFICATION_WM_GO_BACK_REQUEST:
		Log.debug("Bye!")


static func col_pos(col: String) -> int:
	return "abcdefgh".find(col)


static func row_pos(row: String) -> int:
	return 8 - int(row)


static func from_algebraic(pos: String) -> Vector2:
	return Vector2(col_pos(pos[0]), row_pos(pos[1]))


static func to_str(type: int) -> String:
	return "PNBRQK"[type]


# cant wait for 4.0 dict.merge(dict) :C
static func append_dict(dict: Dictionary, newdict: Dictionary) -> Dictionary:
	for key in newdict:
		dict[key] = newdict[key]
	return dict