push project up

.editorconfig

@@ -0,0 +1,4 @@
+root = true
+
+[*]
+charset = utf-8

.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

addons/uuid/plugin.cfg

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+[plugin]
+
+name="godot-uuid"
+description="Unique identifier generation v4 for Godot Engine"
+author="Binogure Studio"
+version="3.0.0"
+script="plugin.gd"

addons/uuid/plugin.gd

@@ -0,0 +1,10 @@
+@tool 
+extends EditorPlugin
+
+const AUTOLOAD_NAME = 'uuid'
+
+func _enable_plugin() -> void:
+  add_autoload_singleton(AUTOLOAD_NAME, 'res://addons/uuid/uuid.gd')
+
+func _disable_plugin() -> void:
+  remove_autoload_singleton(AUTOLOAD_NAME)

addons/uuid/plugin.gd.uid

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+uid://by83vwyqmco65

addons/uuid/uuid.gd

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+# Note: The code might not be as pretty it could be, since it's written
+# in a way that maximizes performance. Methods are inlined and loops are avoided.
+extends Node
+
+const BYTE_MASK: int = 0b11111111
+
+static func uuidbin():
+	# 16 random bytes with the bytes on index 6 and 8 modified
+	return [
+		randi() & BYTE_MASK, randi() & BYTE_MASK, randi() & BYTE_MASK, randi() & BYTE_MASK,
+		randi() & BYTE_MASK, randi() & BYTE_MASK, ((randi() & BYTE_MASK) & 0x0f) | 0x40, randi() & BYTE_MASK,
+		((randi() & BYTE_MASK) & 0x3f) | 0x80, randi() & BYTE_MASK, randi() & BYTE_MASK, randi() & BYTE_MASK,
+		randi() & BYTE_MASK, randi() & BYTE_MASK, randi() & BYTE_MASK, randi() & BYTE_MASK,
+	]
+
+static func uuidbinrng(rng: RandomNumberGenerator):
+	return [
+		rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK,
+		rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK, ((rng.randi() & BYTE_MASK) & 0x0f) | 0x40, rng.randi() & BYTE_MASK,
+		((rng.randi() & BYTE_MASK) & 0x3f) | 0x80, rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK,
+		rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK, rng.randi() & BYTE_MASK,
+	]
+
+static func v4():
+	# 16 random bytes with the bytes on index 6 and 8 modified
+	var b = uuidbin()
+
+	return '%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x' % [
+		# low
+		b[0], b[1], b[2], b[3],
+
+		# mid
+		b[4], b[5],
+
+		# hi
+		b[6], b[7],
+
+		# clock
+		b[8], b[9],
+
+		# clock
+		b[10], b[11], b[12], b[13], b[14], b[15]
+	]
+
+static func v4_rng(rng: RandomNumberGenerator):
+	# 16 random bytes with the bytes on index 6 and 8 modified
+	var b = uuidbinrng(rng)
+	return '%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x' % [
+		# low
+		b[0], b[1], b[2], b[3],
+
+		# mid
+		b[4], b[5],
+
+		# hi
+		b[6], b[7],
+
+		# clock
+		b[8], b[9],
+
+		# clock
+		b[10], b[11], b[12], b[13], b[14], b[15]
+	]
+
+var _uuid: Array
+
+func _init(rng := RandomNumberGenerator.new()):
+	_uuid = uuidbinrng(rng)
+
+func as_array():
+	return _uuid.duplicate()
+
+func as_dict(big_endian := true):
+	if big_endian:
+		return {
+			"low"  : (_uuid[0]  << 24) + (_uuid[1]  << 16) + (_uuid[2]  << 8 ) +  _uuid[3],
+			"mid"  : (_uuid[4]  << 8 ) +  _uuid[5],
+			"hi"   : (_uuid[6]  << 8 ) +  _uuid[7],
+			"clock": (_uuid[8]  << 8 ) +  _uuid[9],
+			"node" : (_uuid[10] << 40) + (_uuid[11] << 32) + (_uuid[12] << 24) + (_uuid[13] << 16) + (_uuid[14] << 8 ) +  _uuid[15]
+		}
+	else:
+		return {
+			"low"  : _uuid[0]          + (_uuid[1]  << 8 ) + (_uuid[2]  << 16) + (_uuid[3]  << 24),
+			"mid"  : _uuid[4]          + (_uuid[5]  << 8 ),
+			"hi"   : _uuid[6]          + (_uuid[7]  << 8 ),
+			"clock": _uuid[8]          + (_uuid[9]  << 8 ),
+			"node" : _uuid[10]         + (_uuid[11] << 8 ) + (_uuid[12] << 16) + (_uuid[13] << 24) + (_uuid[14] << 32) + (_uuid[15] << 40)
+		}
+
+func as_string():
+	return '%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x' % [
+	# low
+	_uuid[0], _uuid[1], _uuid[2], _uuid[3],
+
+	# mid
+	_uuid[4], _uuid[5],
+
+	# hi
+	_uuid[6], _uuid[7],
+
+	# clock
+	_uuid[8], _uuid[9],
+
+	# node
+	_uuid[10], _uuid[11], _uuid[12], _uuid[13], _uuid[14], _uuid[15]
+	]
+
+func is_equal(other):
+	# Godot Engine compares Array recursively
+	# There's no need for custom comparison here.
+	return _uuid == other._uuid

addons/uuid/uuid.gd.uid

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+uid://bafv8ihtmdpf3

export_presets.cfg

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+[preset.0]
+
+name="Linux"
+platform="Linux"
+runnable=true
+advanced_options=true
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="../../builds/desktop/billiards/lobby_server.x86_64"
+patches=PackedStringArray()
+encryption_include_filters=""
+encryption_exclude_filters=""
+seed=0
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
+
+[preset.0.options]
+
+custom_template/debug=""
+custom_template/release=""
+debug/export_console_wrapper=1
+binary_format/embed_pck=false
+texture_format/s3tc_bptc=true
+texture_format/etc2_astc=false
+shader_baker/enabled=false
+binary_format/architecture="x86_64"
+ssh_remote_deploy/enabled=false
+ssh_remote_deploy/host="user@host_ip"
+ssh_remote_deploy/port="22"
+ssh_remote_deploy/extra_args_ssh=""
+ssh_remote_deploy/extra_args_scp=""
+ssh_remote_deploy/run_script="#!/usr/bin/env bash
+export DISPLAY=:0
+unzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"
+\"{temp_dir}/{exe_name}\" {cmd_args}"
+ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash
+kill $(pgrep -x -f \"{temp_dir}/{exe_name} {cmd_args}\")
+rm -rf \"{temp_dir}\""

globals/globals.gd

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+extends Node
+
+
+var game_data:        GameData
+var game_state:       GameState
+var lobby_data:       LobbyData
+var multiplayer_data: MultiplayerData

globals/globals.gd.uid

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+uid://biu64hvcxb1su

globals/instance_launcher.gd

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+extends Node
+
+
+var port_range_start: int = 5000
+var port_range_end: int   = 5010
+var threads: Dictionary   = Dictionary() 
+
+
+func _wait_for_child(id: String, port: String, mode: String) -> void:
+	if port == "-1":
+		call_deferred("_child_finished", id, -1)
+		return
+
+	var output    := []
+	var exit_code := OS.execute(
+		"./game.sh", ["--", "server_" + port, "game", mode],
+		output,
+		true
+	)
+
+	call_deferred("_child_finished", id, exit_code)
+
+func _child_finished(id: String, exit_code: int) -> void:
+	var thread: Thread = threads.get(id)
+	if not thread: return
+
+	push_warning("Game Server [ %s ] Exited: %d" % [id, exit_code])
+
+	thread.wait_to_finish()
+	threads.erase(id)
+
+func is_port_free(port: int) -> bool:
+	var server := TCPServer.new()
+	var state  := server.listen(port)
+
+	match state:
+		OK:
+			server.stop()
+			return true
+		_:
+			return false
+
+func find_free_port(start_port: int = 1024, end_port: int = 65535) -> int:
+	for port in range(start_port, end_port + 1):
+		if is_port_free(port):
+			return port
+
+	return -1
+
+func launch_game_server(mode: String) -> String:
+	var thread    := Thread.new()
+	var thread_id := str( thread.get_instance_id() )
+	var port      := str(
+		find_free_port(
+			port_range_start,
+			port_range_end
+		)
+	)
+
+	thread.start(
+		_wait_for_child.bind(
+			thread_id,
+			port,
+			mode
+		)
+	)
+
+	threads.set(thread_id, thread)
+	return port

globals/instance_launcher.gd.uid

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+uid://cru35twp27pa4

icon.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/><g fill="#fff" transform="translate(12.322 12.322)scale(.101)"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042" transform="translate(12.322 12.322)scale(.101)"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></svg>

icon.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b6xgtqmx8kjor"
+path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.svg"
+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="Lobby Server"
+run/main_scene="uid://b0cqo3qo62y6n"
+config/features=PackedStringArray("4.5", "GL Compatibility")
+config/icon="res://icon.svg"
+
+[autoload]
+
+Globals="*res://globals/globals.gd"
+InstanceLauncher="*res://globals/instance_launcher.gd"
+
+[display]
+
+window/size/always_on_top=true
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"

scenes/data_bridge/bridge.tscn

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+[gd_scene load_steps=5 format=3 uid="uid://dy51wny4x53f4"]
+
+[ext_resource type="Script" uid="uid://dbnl4tjahkoun" path="res://scenes/data_bridge/game_data.gd" id="1_l6w8l"]
+[ext_resource type="Script" uid="uid://65x4bq2wsh8k" path="res://scenes/data_bridge/game_state.gd" id="2_6ash1"]
+[ext_resource type="Script" uid="uid://dyq4p5e06ib14" path="res://scenes/data_bridge/lobby_data.gd" id="3_l6w8l"]
+[ext_resource type="Script" uid="uid://uyimqfjmuc34" path="res://scenes/data_bridge/multiplayer_data.gd" id="4_gcm58"]
+
+[node name="bridge" type="Node"]
+
+[node name="game_data" type="Node" parent="."]
+script = ExtResource("1_l6w8l")
+
+[node name="game_state" type="Node" parent="."]
+script = ExtResource("2_6ash1")
+
+[node name="lobby_data" type="Node" parent="."]
+script = ExtResource("3_l6w8l")
+
+[node name="multiplayer" type="Node" parent="."]
+script = ExtResource("4_gcm58")

scenes/data_bridge/game_data.gd

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+class_name GameData extends Node
+
+
+func _init() -> void:
+	Globals.game_data = self
+
+
+@rpc("authority", "reliable")
+func set_game_address(_address: String) -> void:
+	pass
+
+@rpc("authority", "reliable")
+func set_game_port(_port: String) -> void:
+	pass

scenes/data_bridge/game_data.gd.uid

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+uid://dbnl4tjahkoun

scenes/data_bridge/game_state.gd

@@ -0,0 +1,23 @@
+class_name GameState extends Node
+
+
+func _init() -> void:
+	Globals.game_state = self
+
+
+func set_game_scene(scene_str: String) -> void:
+	# NOTE: 'node_pth_str' needs to match game node structure else server sync throws errors.
+	var node_pth_str = "billiards/scene"
+	var scene        = load(scene_str).instantiate()
+	var target       = get_tree().root.get_node(node_pth_str)
+	scene.name       = "lobby_screen"
+
+	clear_game_scene(target)
+
+	target.add_child(scene)
+
+func clear_game_scene(container: Node) -> void:
+	for child in container.get_children():
+		child.queue_free()
+
+	await get_tree().process_frame

scenes/data_bridge/game_state.gd.uid

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+uid://65x4bq2wsh8k

scenes/data_bridge/lobby_data.gd

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+class_name LobbyData extends Node
+
+
+var uuid           = null
+var lobby_ui: Node = null
+
+var IS_VALID_CHARS_REGEX: RegEx   = RegEx.create_from_string("^[a-zA-Z0-9]+$")
+const MATCH_TYPES: Array          = ["8ball", "9ball", "snooker"]
+const CLIENT_DICT: Dictionary     = {
+	"id": "",
+	"partner_id": "",
+	"in_match": false,
+	"match_id": ""
+}
+const MATCH_POOL_ENTRY: Dictionary = {
+	"player1":  "",
+	"player2": "",
+	"data": {}
+}
+
+var active_match_pool: Dictionary  = {}
+var match_pool: Dictionary         = {}
+var client_pool: Dictionary        = {}
+
+
+func _init() -> void:
+	Globals.lobby_data = self
+
+	uuid = load('res://addons/uuid/uuid.gd')
+
+
+func _delete_from_match_pool(match_id: String) -> Dictionary:
+	if not match_pool.get(match_id):
+		return {}
+
+	var to_delete: Dictionary = match_pool[match_id].data
+	match_pool.erase(match_id)
+
+	return to_delete
+
+func _signal_match_list_remove_entry(match_id: String) -> void:
+	lobby_ui.rpc_signals.rpc_id(1, "match_list_remove_entry", match_id)
+
+	for client in client_pool.values():
+		if client.in_match: continue
+
+		lobby_ui.rpc_signals.rpc_id(client.id, "match_list_remove_entry", match_id)
+
+func _launch_game_server(
+	match_entry: Dictionary,
+	client1: Dictionary, client2: Dictionary
+) -> void:
+	var port: String = InstanceLauncher.launch_game_server(match_entry.data.type)
+	if port == "-1":
+		# TODO: Alert clients that the game wont be created due to
+		#       server reaching number of allowed instances 
+		return
+
+	Globals.game_data.rpc_id(client1.id, "set_game_address", "127.0.0.1")
+	Globals.game_data.rpc_id(client2.id, "set_game_address", "127.0.0.1")
+	Globals.game_data.rpc_id(client1.id, "set_game_port", port)
+	Globals.game_data.rpc_id(client2.id, "set_game_port", port)
+	rpc_id(client1.id, "connect_to_game")
+	rpc_id(client2.id, "connect_to_game")
+
+@rpc("any_peer", "reliable")
+func match_list_add_entry(match_entry: Dictionary) -> void:
+	var client1 = client_pool.get( multiplayer.get_remote_sender_id() )
+	if not client1: return
+
+	if not client1.match_id.is_empty(): return
+	if match_entry.name.length() < 1 or match_entry.name.length() > 12: return
+	if not IS_VALID_CHARS_REGEX.search(match_entry.name): return
+	if not match_entry.type in MATCH_TYPES: return
+
+	match_entry["match_id"]                  = uuid.v4()
+	match_pool[match_entry.match_id]         = MATCH_POOL_ENTRY.duplicate_deep()
+	match_pool[match_entry.match_id].player1 = client1.id
+	match_pool[match_entry.match_id].data    = match_entry
+	client1.match_id                         = match_entry.match_id
+
+	lobby_ui.rpc_signals.rpc_id(1, "match_list_add_entry", match_entry)
+	for client in client_pool.values():
+		if client.in_match: continue
+		lobby_ui.rpc_signals.rpc_id(client.id, "match_list_add_entry", match_entry)
+
+	lobby_ui.rpc_signals.rpc_id(client1.id, "match_list_activate_entry", match_entry.match_id)
+
+
+@rpc("any_peer", "reliable")
+func match_list_remove_entry(match_id: String) -> void:
+	var client1 = client_pool.get( multiplayer.get_remote_sender_id() )
+	if not client1: return
+	if not client1.match_id == match_id: return
+
+	client1.match_id = ""
+	_delete_from_match_pool(match_id)
+	_signal_match_list_remove_entry(match_id)
+
+@rpc("any_peer", "reliable")
+func match_list_join_entry(match_id: String) -> void:
+	var match_entry     = match_pool.get(match_id)
+	if not match_entry: return
+
+	var client1         = client_pool.get( match_entry.player1 )
+	var client2         = client_pool.get( multiplayer.get_remote_sender_id() )
+
+	if not client1:     return
+	if not client2:     return
+
+	match_entry.player2 = client2.id
+
+	client1.in_match    = true
+	client1.partner_id  = client2.id
+
+	client2.match_id    = match_id
+	client2.in_match    = true
+	client2.partner_id  = client1.id
+
+	active_match_pool[match_id] = match_entry
+
+	match_pool.erase(match_id)
+	client_pool.erase(client1.id)
+	client_pool.erase(client2.id)
+
+	_signal_match_list_remove_entry(match_id)
+	_launch_game_server(match_entry, client1, client2)
+
+# NOTE: Needed for hash check to pass between client and server but isn't used by server...
+@rpc("authority", "reliable")
+func connect_to_game() -> void:
+	pass
+
+@rpc("authority", "call_local", "reliable")
+func load_game_scene(_match_entry: Dictionary, _is_player_1: bool) -> void:
+	pass
+
+@rpc("authority", "reliable")
+func go_back_to_match_screen() -> void:
+	pass
+
+
+func server_client_connected(id: int) -> void:
+	push_warning("Client Connected... ID: ", id)
+
+	client_pool[id]    = CLIENT_DICT.duplicate_deep()
+	client_pool[id].id = id
+
+	var matches: Array = []
+	for match_entry in match_pool.values():
+		matches.append(match_entry.data)
+
+	lobby_ui.rpc_signals.rpc_id(id, "receive_match_list", matches)
+
+func server_client_disconnected(id: int) -> void:
+	push_warning("Client Disconnected... ID: ", id)
+
+	var client1     = client_pool.get(id)
+	if not client1: return
+
+	var client2     = client_pool.get( client1.partner_id )
+	var match_entry = _delete_from_match_pool(client1.match_id)
+
+	if not client1.match_id.is_empty() and not match_entry.is_empty():
+		lobby_ui.rpc_signals.rpc_id(1, "match_list_remove_entry", match_entry.match_id)
+
+		for client in client_pool.values():
+			if client.in_match: continue
+			if client.id == id: continue
+
+			lobby_ui.rpc_signals.rpc_id(client.id, "match_list_remove_entry", match_entry.match_id)
+
+		match_pool.erase(client1.match_id)
+
+	client_pool.erase(client1.id)
+	if not client2: return
+
+	if active_match_pool.get(client2.match_id):
+		match_pool.erase(client2.match_id)
+
+	var _id    = client2.id
+	client2    = CLIENT_DICT.duplicate_deep()
+	client2.id = _id

scenes/data_bridge/lobby_data.gd.uid

@@ -0,0 +1 @@
+uid://dyq4p5e06ib14

scenes/data_bridge/multiplayer_data.gd

@@ -0,0 +1,10 @@
+class_name MultiplayerData extends Node
+
+
+@rpc("authority", "reliable")
+func set_multiplayer_active() -> void:
+	pass
+
+@rpc("authority", "call_local", "reliable")
+func set_active_player_id(_id: int) -> void:
+	pass

scenes/data_bridge/multiplayer_data.gd.uid

@@ -0,0 +1 @@
+uid://uyimqfjmuc34

scenes/screens/lobby_screen/lobby.gd

@@ -0,0 +1,42 @@
+class_name Lobby extends LobbyBase
+
+
+@onready var rpc_signals: Node = $rpc_signals
+
+
+func _ready() -> void:
+	Globals.lobby_data.lobby_ui = self
+	setup_signals()
+
+func _exit_tree() -> void:
+	if server.peer:
+		server.close_connection()
+
+func setup_signals() -> void:
+	rpc_signals.server_host_started.connect(_server_host_started)
+	rpc_signals.match_list_entry_added.connect(_on_match_list_entry_added)
+	rpc_signals.match_list_entry_removed.connect(_on_match_list_entry_removed)
+
+func _server_host_started() -> void:
+	host_start_bttn.visible   = false
+	host_stop_bttn.visible    = true
+
+func _on_match_list_entry_added(match_entry: Dictionary) -> void:
+	push_warning("Client: Added Match List Entry... ", match_entry)
+
+	_create_match_entry(match_entry)
+
+func _on_match_list_entry_removed(match_id: String) -> void:
+	push_warning("Client: Removed Match List Entry... ", match_id)
+
+	for match_entry in match_list.get_children():
+		if not match_id == match_entry.match_id: continue
+		match_entry.queue_free()
+
+func _create_match_entry(match_entry: Dictionary) -> void:
+	var container = MATCH_ENTRY.instantiate()
+	match_list.add_child(container)
+
+	container.name_lbl.text = match_entry.name
+	container.type_lbl.text = match_entry.type
+	container.match_id      = match_entry.match_id

scenes/screens/lobby_screen/lobby.gd.uid

@@ -0,0 +1 @@
+uid://dk7afnf7ol7dy

scenes/screens/lobby_screen/lobby.tscn

@@ -0,0 +1,34 @@
+[gd_scene load_steps=5 format=3 uid="uid://dkes5cdu45q6e"]
+
+[ext_resource type="Script" uid="uid://dk7afnf7ol7dy" path="res://scenes/screens/lobby_screen/lobby.gd" id="1_hhiik"]
+[ext_resource type="PackedScene" uid="uid://rb6av5eg4u0" path="res://scenes/ui_controls/lobby_screen/lobby_ui.tscn" id="2_lqt48"]
+[ext_resource type="Script" uid="uid://6sfwe1hwgf0g" path="res://scenes/screens/lobby_screen/lobby_rpc.gd" id="3_rurl6"]
+[ext_resource type="Script" uid="uid://bvqtgf3vbsoj4" path="res://scripts/server_networking.gd" id="4_glu7g"]
+
+[node name="lobby_screen" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_hhiik")
+
+[node name="ui" parent="." instance=ExtResource("2_lqt48")]
+layout_mode = 1
+theme_override_constants/margin_left = 10
+theme_override_constants/margin_top = 10
+theme_override_constants/margin_right = 10
+theme_override_constants/margin_bottom = 10
+
+[node name="rpc_signals" type="Node" parent="."]
+script = ExtResource("3_rurl6")
+
+[node name="server" type="Node" parent="."]
+script = ExtResource("4_glu7g")
+
+[connection signal="pressed" from="ui/body/left_body/server_host_hbox/host_start_bttn" to="." method="_on_host_start_bttn_pressed"]
+[connection signal="pressed" from="ui/body/left_body/server_host_hbox/host_stop_bttn" to="." method="_on_host_stop_bttn_pressed"]
+[connection signal="button_up" from="ui/body/left_body/search_vbox/search_hbox/match_search_bttn" to="." method="_on_match_search_bttn_button_up"]
+
+[editable path="ui"]

scenes/screens/lobby_screen/lobby_base.gd

@@ -0,0 +1,39 @@
+class_name LobbyBase extends Control
+
+
+const MATCH_ENTRY                         = preload("res://scenes/screens/lobby_screen/match_entry.tscn")
+
+@onready var host_start_bttn: Button      = $ui/body/left_body/server_host_hbox/host_start_bttn
+@onready var host_stop_bttn: Button       = $ui/body/left_body/server_host_hbox/host_stop_bttn
+@onready var host_address_input: LineEdit = $ui/body/left_body/server_host_hbox/host_address_input
+@onready var host_port_range: SpinBox     = $ui/body/left_body/server_host_hbox/host_port_range
+
+@onready var search_vbox: VBoxContainer   = $ui/body/left_body/search_vbox
+@onready var match_search_input: LineEdit = $ui/body/left_body/search_vbox/search_hbox/match_search_input
+@onready var match_list: VBoxContainer    = $ui/body/left_body/search_vbox/scroll_container/match_list
+
+@onready var server: Node = $server
+
+
+
+func _on_home_bttn_pressed() -> void:
+	Globals.game_state.set_game_scene(
+		"res://scenes/screens/start_screen/start.tscn"
+	)
+
+func _on_host_start_bttn_pressed() -> void:
+	server.start_server(host_address_input.text, int(host_port_range.value))
+
+func _on_host_stop_bttn_pressed() -> void:
+	if not server.peer: return
+
+	server.close_connection()
+
+	host_start_bttn.visible   = true
+	host_stop_bttn.visible    = false
+
+func _on_search_bttn_pressed() -> void:
+	pass
+
+func _on_match_search_bttn_button_up() -> void:
+	pass

scenes/screens/lobby_screen/lobby_base.gd.uid

@@ -0,0 +1 @@
+uid://5tvhtoe6fdu1

scenes/screens/lobby_screen/lobby_rpc.gd

@@ -0,0 +1,29 @@
+extends Node
+
+
+@warning_ignore_start("unused_signal")
+signal server_host_started()
+signal match_list_entry_added(match_entry: Dictionary)
+signal match_list_entry_removed(match_id: String)
+@warning_ignore_restore("unused_signal")
+
+
+@rpc("authority", "call_local", "reliable")
+func match_list_add_entry(match_entry: Dictionary) -> void:
+	push_warning("Received new match entry...")
+
+	emit_signal("match_list_entry_added", match_entry)
+
+@rpc("authority", "call_local", "reliable")
+func match_list_remove_entry(match_id: String) -> void:
+	push_warning("Received delete match entry...")
+
+	emit_signal("match_list_entry_removed", match_id)
+
+@rpc("authority", "reliable")
+func receive_match_list(_match_list: Array) -> void:
+	pass
+
+@rpc("authority", "reliable")
+func match_list_activate_entry(_match_id: String) -> void:
+	pass

scenes/screens/lobby_screen/lobby_rpc.gd.uid

@@ -0,0 +1 @@
+uid://6sfwe1hwgf0g

scenes/screens/lobby_screen/match_entry.gd

@@ -0,0 +1,8 @@
+class_name MatchEntry extends HBoxContainer
+
+
+@onready var name_lbl: Label   = $name_lbl
+@onready var type_lbl: Label   = $type_lbl
+@onready var view_bttn: Button = $view_bttn
+
+var match_id: String           = ""

scenes/screens/lobby_screen/match_entry.gd.uid

@@ -0,0 +1 @@
+uid://ck663xy8rqumo

scenes/screens/lobby_screen/match_entry.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=2 format=3 uid="uid://b5b18vkfe3caa"]
+
+[ext_resource type="Script" uid="uid://ck663xy8rqumo" path="res://scenes/screens/lobby_screen/match_entry.gd" id="1_kw53p"]
+
+[node name="match_entry" type="HBoxContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_kw53p")
+
+[node name="name_lbl" type="Label" parent="."]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="type_lbl" type="Label" parent="."]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="view_bttn" type="Button" parent="."]
+layout_mode = 2
+text = "Join"

scenes/ui_controls/lobby_screen/lobby_ui.tscn

@@ -0,0 +1,107 @@
+[gd_scene load_steps=3 format=3 uid="uid://rb6av5eg4u0"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_e03fk"]
+content_margin_left = 4.0
+content_margin_top = 4.0
+content_margin_right = 4.0
+content_margin_bottom = 4.0
+bg_color = Color(0.22352941, 0.47058824, 0.23137255, 1)
+corner_radius_top_left = 3
+corner_radius_top_right = 3
+corner_radius_bottom_right = 3
+corner_radius_bottom_left = 3
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_lqt48"]
+content_margin_left = 4.0
+content_margin_top = 4.0
+content_margin_right = 4.0
+content_margin_bottom = 4.0
+bg_color = Color(0.8460855, 0.21924442, 0.24864262, 1)
+corner_radius_top_left = 3
+corner_radius_top_right = 3
+corner_radius_bottom_right = 3
+corner_radius_bottom_left = 3
+
+[node name="margin" type="MarginContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="body" type="HBoxContainer" parent="."]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="left_body" type="VBoxContainer" parent="body"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="server_host_hbox" type="HBoxContainer" parent="body/left_body"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="host_address_input" type="LineEdit" parent="body/left_body/server_host_hbox"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "127.0.0.1"
+placeholder_text = "Server Address: (Eg. 0.0.0.0)"
+alignment = 1
+max_length = 12
+emoji_menu_enabled = false
+clear_button_enabled = true
+caret_blink = true
+
+[node name="host_port_range" type="SpinBox" parent="body/left_body/server_host_hbox"]
+layout_mode = 2
+min_value = 1.0
+max_value = 65535.0
+page = 10.0
+value = 31315.0
+rounded = true
+alignment = 1
+
+[node name="host_start_bttn" type="Button" parent="body/left_body/server_host_hbox"]
+layout_mode = 2
+mouse_default_cursor_shape = 2
+theme_override_styles/normal = SubResource("StyleBoxFlat_e03fk")
+text = "Start Host"
+
+[node name="host_stop_bttn" type="Button" parent="body/left_body/server_host_hbox"]
+visible = false
+layout_mode = 2
+mouse_default_cursor_shape = 2
+theme_override_styles/normal = SubResource("StyleBoxFlat_lqt48")
+text = "Stop Host"
+
+[node name="search_vbox" type="VBoxContainer" parent="body/left_body"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="search_hbox" type="HBoxContainer" parent="body/left_body/search_vbox"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="match_search_input" type="LineEdit" parent="body/left_body/search_vbox/search_hbox"]
+layout_mode = 2
+size_flags_horizontal = 3
+placeholder_text = "Search Match List... "
+max_length = 12
+emoji_menu_enabled = false
+clear_button_enabled = true
+caret_blink = true
+
+[node name="match_search_bttn" type="Button" parent="body/left_body/search_vbox/search_hbox"]
+custom_minimum_size = Vector2(85, 0)
+layout_mode = 2
+mouse_default_cursor_shape = 2
+text = "Search"
+
+[node name="scroll_container" type="ScrollContainer" parent="body/left_body/search_vbox"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="match_list" type="VBoxContainer" parent="body/left_body/search_vbox/scroll_container"]
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_vertical = 3

scripts/server_networking.gd

@@ -0,0 +1,51 @@
+extends Node
+
+
+var peer: ENetMultiplayerPeer
+
+
+func _ready() -> void:
+	pass
+
+
+func start_server(address: String = "0.0.0.0", port: int = 8080) -> void:
+	if peer: return
+
+	push_warning("Server Starting... Address: ", address, " Port: ", port)
+
+	peer = ENetMultiplayerPeer.new()
+	peer.set_bind_ip(address)
+
+	var state = peer.create_server(port)
+	match state:
+		OK:
+			push_warning("Server Started: ", state)
+
+			multiplayer.multiplayer_peer = peer
+			multiplayer.peer_connected.connect(server_client_connected)
+			multiplayer.peer_disconnected.connect(server_client_disconnected)
+
+			get_parent()._server_host_started()
+		ERR_ALREADY_IN_USE:
+			peer.close()
+			peer = null
+			start_server(address, port)
+		ERR_CANT_CREATE:
+			push_warning("Couldn't create server...")
+
+func close_connection() -> void:
+	if not peer: return
+
+	push_warning("Server Closed...")
+
+	multiplayer.peer_connected.disconnect(server_client_connected)
+	multiplayer.peer_disconnected.disconnect(server_client_disconnected)
+
+	peer.close()
+	peer = null
+
+func server_client_connected(id: int) -> void:
+	Globals.lobby_data.server_client_connected(id)
+
+func server_client_disconnected(id: int) -> void:
+	Globals.lobby_data.server_client_disconnected(id)

scripts/server_networking.gd.uid

@@ -0,0 +1 @@
+uid://bvqtgf3vbsoj4

server.gd

@@ -0,0 +1,50 @@
+extends Node
+
+
+#
+#
+# Note that the lobby server is looking for a script local to it titled 'game.sh'
+#
+# Editor -> Debug > Customize Run Instance
+#
+#
+# -- name_billiards server game_port_range 5000:5010
+#
+#
+# CLI
+#
+# ./lobby_server.sh -- name_billiards server game_port_range 5000:5010
+#
+#
+
+
+func _ready() -> void:
+	for arg in OS.get_cmdline_user_args():
+		if "name_" in arg:
+			name_(arg)
+
+		match arg:
+			"server":
+				server(arg)
+			"game_port_range":
+				game_port_range(arg)
+			_:
+				pass
+
+
+func name_(arg: String) -> void:
+	var game_name = arg.split("_")[-1]
+	self.name     = game_name
+
+func server(_arg: String) -> void:
+	Globals.game_state.set_game_scene(
+		"res://scenes/screens/lobby_screen/lobby.tscn"
+	)
+
+	$scene/lobby_screen.find_child("host_start_bttn", true, false).emit_signal("pressed")
+
+func game_port_range(_arg: String) -> void:
+	var port_range = OS.get_cmdline_user_args()[-1].split(":")
+
+	InstanceLauncher.port_range_start = port_range[0]
+	InstanceLauncher.port_range_end   = port_range[1]

server.gd.uid

@@ -0,0 +1 @@
+uid://chu1htrspx5su

server.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=3 format=3 uid="uid://b0cqo3qo62y6n"]
+
+[ext_resource type="Script" uid="uid://chu1htrspx5su" path="res://server.gd" id="1_ob30c"]
+[ext_resource type="PackedScene" uid="uid://dy51wny4x53f4" path="res://scenes/data_bridge/bridge.tscn" id="2_h8t3n"]
+
+[node name="server" type="Node"]
+editor_description = "Note: The root node needs to match game's client root node in order for proper sync talk."
+script = ExtResource("1_ob30c")
+
+[node name="bridge" parent="." instance=ExtResource("2_h8t3n")]
+
+[node name="scene" type="Node" parent="."]