Multiplayer sucks

godot_ship/project.godot

@@ -20,6 +20,7 @@ MessageBus="*res://script/Message Bus.gd"
 AudioBus="*res://script/audio controller/Audio Bus.gd"
 OptionsController="*res://script/options/OptionsController.gd"
 AudioController="*res://scenes/AudioController.tscn"
+Network="*res://script/network/Network.gd"
 
 [display]
 

godot_ship/script/game/Gameplay/Fire.gd

@@ -7,11 +7,9 @@ func _ready():
 # Signal to pass the fire location back to yet-unknown nodes
 signal fire_at
 
-
 func _on_Fire_pressed():
 	var crosshair = get_node("Crosshair")
-	# hides crosshair
-	crosshair.visible = false
+	# Check if the crosshair is in a valid position
 	if crosshair.validate_position(crosshair.position) == true:
 		var crosshair_pos = crosshair.world_to_board_space(crosshair.position)
 		# fires at position

godot_ship/script/game/Gameplay/Game.gd

@@ -1,4 +1,4 @@
-extends Node
+extends Control
 
 var light_theme = load("res://light_theme.tres")
 var dark_theme = load("res://dark_theme.tres")
@@ -11,15 +11,16 @@ onready var Victory = preload("res://scenes/Game/Victory.tscn")
 
 
 # Array of instances of the Player class; stores the Players
-var players = [] # = player1, player2, ...
+var players = {} # = player1, player2, ...
+var players_ready = []
 # turn counter
 var turn = 0
-# Variable transporting hit state between players
-var hit = false
-# Variable tracking whether a game is multiplayer (so that the correct Player type can be spawned)
-# TODO: Multiplayer
-var is_multiplayer = false
+# winner
+var winner = 0
 
+# Every game is a multiplayer game, even the ones that aren't.
+# We're taking the Minecraft approach, baby
+var network_id
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
@@ -29,28 +30,70 @@ func _ready():
 	get_node("ConfirmationDialog").get_ok().rect_min_size.x = 100
 	get_node("ConfirmationDialog").get_cancel().rect_min_size.x = 100
 	
-	var _errno = 0;
-	_errno += OptionsController.connect("change_theme", self, "_on_change_theme")
-	_on_change_theme(OptionsController.get_theme())
-	game_start()
+	if multiplayer:
+		# TODO: Spawn a lobby where people can either connect to a peer or create a server
+		pass
 	
-func game_setup():
-	print_debug("Congrats! Setup complete.")
+	game_setup()
+
+# Function used to keep track of which players are ready
+remote func player_ready(pid):
+	print (get_tree().is_network_server())
+	var who = pid
+	# Here are some checks you can do, for example
+	assert(get_tree().is_network_server())
+	assert(who in Network.peer_info) # Exists
+	assert(not who in players_ready) # Was not added yet
+
+	players_ready.append(who)
+
+	if players_ready.size() == Network.peer_info.size():
+		rpc("game_start")
 
 # Member functions:
 #   game_start: starts the game
-func game_start():
-	# Create a player 1
+func game_setup():
+	# If there's no server connected, create one
+	if not Network.connected:
+		# TODO: Create a fake peer who we can automate, for single-player mode
+		Network.start_server()
+	network_id = Network.get_network_id()
+	# Create players for every player in Network.peer_info
+	for k in Network.peer_info.keys():
+		# Create a new player
 		var player = Player.instance()
-	# TODO: Create valid callback for player_ready
-	# It shouldn't connect to game_setup
-	player.connect("player_ready", self, "game_setup")
-	# Add player to scene tree
+		# Set the player's opponent, for now
+		# Give the player a recognizable name, like "1", instead of "@@97"
+		player.name = str(k)
+		# The player controls themselves
+		player.set_network_master(k)
+		# Add the player to the list of players
+		players[k] = player
+		# Add the player to the scene tree
 		add_child(player)
-	# Add player to players
-	players.append(player)
 	pass
 	
+	# Connect to your own player_ready signal
+	players[network_id].connect("player_ready", self, "_on_player_ready")
+	# Have your player set up the board:
+	players[network_id].set_up_begin()
+
+func game_start():
+	# Make sure we're the server
+	assert(get_tree().is_network_server())
+	while not winner:
+		for id in players.keys():
+			var hit = players[id].rpc_id(id, "turn_start")
+			var result = players[hit["id"]].rpc_id(hit["id"], "hit", hit["target"])
+			players[id].rpc_id(id, "mark", hit["target"], result)
+		pass
+
+func _on_player_ready(pid):
+	print ("_on_player_ready")
+	match pid:
+		1: player_ready(pid)
+		_: rpc("player_ready", pid)
+
 #   victory_screen: display the victory screen
 func victory_screen():
 	# TODO: Create the victory screen, fill it with knowledge
@@ -77,8 +120,3 @@ func _on_Button_button_down():
 func _on_ConfirmationDialog_confirmed():
 	end()
 
-func _on_change_theme(theme):
-	if theme == "light":
-		get_node("Buttons").set_theme(light_theme)
-	elif theme == "dark":
-		get_node("Buttons").set_theme(dark_theme)

godot_ship/script/game/Gameplay/Player.gd

@@ -1,38 +1,46 @@
 extends Node
 
-# Path to Board class, for instantiating new Boards in code
-var Board = preload("res://scenes/Game/Board.tscn")
-
-# Preloaded assets, to be used later
-# TODO: Move Setup into the Player. It's just here, for now, so that it can be tested and the game doesn't appear broken
-var Setup = preload("res://scenes/Game/Setup.tscn")
-# TODO: Move Fire into the Player. See above.
-var Fire  = preload("res://scenes/Game/Fire.tscn")
-
+# Emitted when the player is ready
 signal player_ready
 
 
-# Player ID of this player
-var pid
-# board (an instance of the Board class)
-onready var board = Board.instance()
+# Preloaded assets, to be used later
+# Path to Board class, for instantiating new Boards in code
+var Board = preload("res://scenes/Game/Board.tscn")
+# Path to Setup menu, so the player may set up their Board
+var Setup = preload("res://scenes/Game/Setup.tscn")
+# Path to Fire menu, so the player may fire on the opponent
+var Fire  = preload("res://scenes/Game/Fire.tscn")
+
+var pid #   Player ID
+var board # Board
+
+var fire_at_position # Position to fire at
+var opponent_pid     # PID of opponent
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
+	# Set the player ID according to which network peer ID we are
+	pid = int(name)
+	board = Board.instance()
+
+remote func set_up_begin():
 	var setup = Setup.instance()
 	setup.connect("board_ready", self, "set_up")
 	add_child(setup)
 
 # Member functions:
 #   hit: Called when opponent fires on us.
-#     Update internal state, and return bool hit/miss, hit = true, miss = false
-func hit(pos):
+#     Update internal state, and return hit/miss/sunk
+remote func hit(pos):
 	var res = board.hit(pos)
-	if res == -1:
-		return true
-	else:
-		return false
-	pass
+	return res
+
+#   mark: Called when the opponent returns hit/miss/sunk
+#     Update internal state, return ack/nak
+remote func mark(pos, value):
+	# Mark the position on the top board
+	board.fire(pos, value)
 
 #   place_ship: called when ships are placed.
 #     forwards Ship locations to the Board, so that it may construct a ship
@@ -40,27 +48,32 @@ func hit(pos):
 func place_ship(pos, size, orientation, variant):
 	board.place_ship(pos, size, orientation, variant)
 
-#   setUp: set up the board given the placed ship locations
-#     translates the ship positions in the Setup UI to board-space, then places each ship
+#   setup: set up the board given the placed ship locations
+#     Places each ship onto the board
 #     ships: a list of lists of ship properties [[position, orientation, size, variant], ...]
 func set_up(ships):
 	# Place all the ships
 	for i in ships:
 		place_ship(i[0], i[1], i[2], i[3])
-	emit_signal("player_ready")
 	# Add the board to the tree
 	add_child(board)
+	emit_signal("player_ready", pid)
 
-#   turnStart: start player's turn
+#   turn_start: start player's turn
 #     Initiates the player's turn, and blocks until the player selects a location to fire upon
 #     returns: fire = [player id, target coordinates]
-func turnStart():
-	# TODO: Yielf until Fire return
-	add_child(Fire.instance())
-	var player_id = 0
-	var target = Vector2(0,0)
-	return [player_id, target]
+remote func turn_start():
+	print("turn_start")
+	var fire = Fire.instance()
+	
+	add_child(fire)
+	yield(fire, "fire_at")
+	while not fire_at_position:
 		pass
+	var player_id = opponent_pid
+	var target = fire_at_position
+	fire_at_position = null
+	return {"id": player_id, "target": target}
 
 #   getBoard: returns the player's board
 #     returns: board
@@ -69,18 +82,17 @@ func getBoard():
 
 #   forfeit: ends game for player
 #     Sinks all ships
-#		hits every single board tile
+#		Ensures there are no ships left behind
 func forfeit():
 	for i in 10:
 		for j in 10:
-			var pos
-			pos.x = i
-			pos.y = j
-			hit(pos)
+			# Hit the board
+			hit(Vector2(i, j))
 
 #   getShipCount: get the number of ships the player has left alive
 func getShipCount():
-	var count = board.get_ship_count()
-	return count
-	pass
+	return board.get_ship_count()
 
+
+func _on_fire_at(pos):
+	fire_at_position = pos

godot_ship/script/game/Setup.gd

@@ -33,7 +33,6 @@ func _on_Confirm_Placement_pressed():
 		# if this is more than zero, the ship is invalid
 		if get_node(ship).validate_placement():
 			valid = false
-	print ("Placement: ", valid)
 	if valid == false:
 		get_node("PlaceShipDialog").popup()
 	else:
@@ -43,9 +42,6 @@ func _on_Confirm_Placement_pressed():
 			ship = get_node(ship)
 			var data = ship.get_shipdata()
 			ship_data.append(data)
-		#print out the array for testing
-		for x in ship_data:
-			print_debug("Ship Position: ", x[0], ", Ship Length: ", x[1], ", Ship Orientation: ", x[2], ", Variant: ", x[3])
 		# Return the shipLocation array to those listening on game_ready
 		emit_signal("board_ready", ship_data)
 		queue_free()

godot_ship/script/network/Network.gd

@@ -0,0 +1,85 @@
+extends Node
+
+const DEFAULT_PORT = 35879
+const LOCALHOST = "127.0.0.1"
+
+# Store peer info in a dictionary, by player ID
+var peer_info = {}
+# Store this player's hostname
+var local_info = {"hostname": ""}
+
+var connected = false
+
+# Network -- handles server and client setup, and facilitates communication between the two
+#   start_server: Host the game
+#     port: TCP port
+#     max_players: Largest number of players allowed to connect at a time
+func start_server(port = DEFAULT_PORT, max_players = 2):
+	get_hostname()
+	peer_info[1] = local_info
+	var peer = NetworkedMultiplayerENet.new()
+	peer.create_server(port, max_players)
+	get_tree().network_peer = peer
+	connected = true
+	return
+
+func connect_server(ip = LOCALHOST, port = DEFAULT_PORT):
+	get_hostname()
+	var peer = NetworkedMultiplayerENet.new()
+	peer.create_client(ip, port)
+	get_tree().network_peer = peer
+	return
+
+func disconnect_server():
+	get_tree().network_peer = null
+	connected = false
+
+func get_hostname():
+	if local_info["hostname"] == "":
+		var hostname = []
+		var _ret = OS.execute("hostname", [], true, hostname)
+		local_info["hostname"] = hostname[0].split("\n")[0]
+	return local_info["hostname"]
+
+func get_network_id():
+	return get_tree().get_network_unique_id()
+
+func get_ip():
+	print(IP.resolve_hostname(get_hostname(), IP.TYPE_IPV4))
+	pass
+
+func _ready():
+	var _trash 
+	_trash = get_tree().connect("network_peer_connected", self, "_peer_connected")
+	_trash = get_tree().connect("network_peer_disconnected", self, "_peer_disconnected")
+	_trash = get_tree().connect("connected_to_server", self, "_server_connected")
+	_trash = get_tree().connect("connection_failed", self, "_connection_fail")
+	_trash = get_tree().connect("server_disconnected", self, "_server_disconnected")
+
+func _peer_connected(id):
+	rpc_id(id, "register_peer", local_info)
+	pass
+
+func _peer_disconnected(id):
+	peer_info.erase(id)
+	pass
+
+func _server_connected():
+	# On connection to the server, you get a global network id
+	# Save your info at this id
+	peer_info[get_network_id()] = local_info
+	connected = true
+	pass
+
+func _server_disconnected():
+	connected = false
+	pass
+
+func _connection_fail():
+	connected = false
+	pass
+
+remote func register_peer(info):
+	# Save player information under the sender id's peer info
+	peer_info[get_tree().get_rpc_sender_id()] = info
+	pass

godot_ship/script/options/Network.gd

@@ -0,0 +1,5 @@
+extends Node
+
+
+func _ready():
+	pass