added the game

addons/mod_loader/internal/cli.gd

@@ -0,0 +1,85 @@
+class_name _ModLoaderCLI
+extends RefCounted
+
+
+# This Class provides util functions for working with cli arguments.
+# Currently all of the included functions are internal and should only be used by the mod loader itself.
+
+const LOG_NAME := "ModLoader:CLI"
+
+
+# Check if the provided command line argument was present when launching the game
+static func is_running_with_command_line_arg(argument: String) -> bool:
+	for arg in OS.get_cmdline_args():
+		if argument == arg.split("=")[0]:
+			return true
+
+	return false
+
+
+# Get the command line argument value if present when launching the game
+static func get_cmd_line_arg_value(argument: String) -> String:
+	var args := _get_fixed_cmdline_args()
+
+	for arg_index in args.size():
+		var arg := args[arg_index] as String
+
+		var key := arg.split("=")[0]
+		if key == argument:
+			# format: `--arg=value` or `--arg="value"`
+			if "=" in arg:
+				var value := arg.trim_prefix(argument + "=")
+				value = value.trim_prefix('"').trim_suffix('"')
+				value = value.trim_prefix("'").trim_suffix("'")
+				return value
+
+			# format: `--arg value` or `--arg "value"`
+			elif arg_index +1 < args.size() and not args[arg_index +1].begins_with("--"):
+				return args[arg_index + 1]
+
+	return ""
+
+
+static func _get_fixed_cmdline_args() -> PackedStringArray:
+	return fix_godot_cmdline_args_string_space_splitting(OS.get_cmdline_args())
+
+
+# Reverses a bug in Godot, which splits input strings at spaces even if they are quoted
+# e.g. `--arg="some value" --arg-two 'more value'` becomes `[ --arg="some, value", --arg-two, 'more, value' ]`
+static func fix_godot_cmdline_args_string_space_splitting(args: PackedStringArray) -> PackedStringArray:
+	if not OS.has_feature("editor"): # only happens in editor builds
+		return args
+	if OS.has_feature("windows"): # windows is unaffected
+		return args
+
+	var fixed_args := PackedStringArray([])
+	var fixed_arg := ""
+	# if we encounter an argument that contains `=` followed by a quote,
+	# or an argument that starts with a quote, take all following args and
+	# concatenate them into one, until we find the closing quote
+	for arg in args:
+		var arg_string := arg as String
+		if '="' in arg_string or '="' in fixed_arg or \
+				arg_string.begins_with('"') or fixed_arg.begins_with('"'):
+			if not fixed_arg == "":
+				fixed_arg += " "
+			fixed_arg += arg_string
+			if arg_string.ends_with('"'):
+				fixed_args.append(fixed_arg.trim_prefix(" "))
+				fixed_arg = ""
+				continue
+		# same thing for single quotes
+		elif "='" in arg_string or "='" in fixed_arg \
+				or arg_string.begins_with("'") or fixed_arg.begins_with("'"):
+			if not fixed_arg == "":
+				fixed_arg += " "
+			fixed_arg += arg_string
+			if arg_string.ends_with("'"):
+				fixed_args.append(fixed_arg.trim_prefix(" "))
+				fixed_arg = ""
+				continue
+
+		else:
+			fixed_args.append(arg_string)
+
+	return fixed_args