From d8d48c245e4ebf3d487c887c7eb15df34a3b3016 Mon Sep 17 00:00:00 2001
From: blinry <sebastian@morr.cc>
Date: Tue, 22 Dec 2020 16:05:35 +0100
Subject: [PATCH] Take hints on port 1235, hint script in user's PATH

---
 scenes/game.gd      |  9 ++++++---
 scenes/main.gd      | 15 ++++++++++++++-
 scenes/shell.gd     |  1 +
 scripts/fake-editor |  2 +-
 scripts/hint        | 15 +++++++++++++++
 5 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100755 scripts/hint

diff --git a/scenes/game.gd b/scenes/game.gd
index 358f0f2..1d5f865 100644
--- a/scenes/game.gd
+++ b/scenes/game.gd
@@ -15,11 +15,14 @@ func _ready():
 	
 	create_file_in_game_env(".gitconfig", helpers.read_file("res://scripts/gitconfig"))
 	
-	create_file_in_game_env("fake-editor", helpers.read_file("res://scripts/fake-editor"))
-	fake_editor = tmp_prefix + "fake-editor"
-	global_shell.run("chmod u+x '%s'" % fake_editor)
+	copy_script_to_game_env("fake-editor")
+	copy_script_to_game_env("hint")
 	
 	load_state()
+
+func copy_script_to_game_env(name):
+	create_file_in_game_env(name, helpers.read_file("res://scripts/%s" % name))
+	global_shell.run("chmod u+x '%s'" % (tmp_prefix + name))
 	
 func _initial_state():
 	return {"history": []}
diff --git a/scenes/main.gd b/scenes/main.gd
index 566af3e..9bbc6e1 100644
--- a/scenes/main.gd
+++ b/scenes/main.gd
@@ -20,7 +20,13 @@ onready var cards = $Rows/Controls/Cards
 onready var file_browser = $Rows/Columns/RightSide/FileBrowser
 onready var index = $Rows/Columns/RightSide/Index
 
+var _hint_server
+var _hint_client_connection
+
 func _ready():
+	_hint_server = TCP_Server.new()
+	_hint_server.listen(1235)
+	
 	var args = helpers.parse_args()
 	
 	if args.has("sandbox"):
@@ -45,6 +51,14 @@ func _ready():
 	# Load first chapter.
 	load_chapter(current_chapter)
 	input.grab_focus()
+	
+func _process(delta):
+	if _hint_server.is_connection_available():
+		_hint_client_connection = _hint_server.take_connection()
+		var length = _hint_client_connection.get_u32()
+		var message = _hint_client_connection.get_string(length)
+		game.notify(message)
+		
 
 func load_chapter(id):
 	current_chapter = id
@@ -97,7 +111,6 @@ func load_level(level_id):
 	terminal.find_node("TextEditor").close()
 	
 	update_repos()
-	game.notify("Level loaded!")
 	
 	# Unmute the audio after a while, so that player can hear pop sounds for
 	# nodes they create.
diff --git a/scenes/shell.gd b/scenes/shell.gd
index 40cfda8..0788214 100644
--- a/scenes/shell.gd
+++ b/scenes/shell.gd
@@ -48,6 +48,7 @@ func run_async_thread(shell_command):
 	
 	var env = {}
 	env["HOME"] = game.tmp_prefix
+	env["PATH"] = game.tmp_prefix+":/usr/bin:/bin"
 	
 	var hacky_command = ""
 	for variable in env:
diff --git a/scripts/fake-editor b/scripts/fake-editor
index 9e5a929..690694d 100755
--- a/scripts/fake-editor
+++ b/scripts/fake-editor
@@ -10,7 +10,7 @@ $socket = IO::Socket::INET->new(PeerAddr => "127.0.0.1",
 
 my $absolute_path = File::Spec->rel2abs($ARGV[0]);
 
-# Send the length of the first argument as a byte.
+# Send the length of the first argument as four bytes.
 $socket->send(pack("L", length($absolute_path)));
 # Send the first argument as a string.
 $socket->send($absolute_path);
diff --git a/scripts/hint b/scripts/hint
new file mode 100755
index 0000000..8b24e7a
--- /dev/null
+++ b/scripts/hint
@@ -0,0 +1,15 @@
+#!/usr/bin/env perl
+
+use IO::Socket;
+
+$socket = IO::Socket::INET->new(PeerAddr => "127.0.0.1",
+                                PeerPort => 1235,
+                                Proto    => "tcp",
+                                Type     => SOCK_STREAM);
+
+my $message = join " ", @ARGV;
+
+# Send the length of the first argument as four bytes.
+$socket->send(pack("L", length($message)));
+# Send the first argument as a string.
+$socket->send($message);