multiplayer

levels/prototype_scene.tscn

@@ -1,7 +1,7 @@
 [gd_scene load_steps=5 format=3 uid="uid://cqrh2cc7m2i7f"]
 
 [ext_resource type="Environment" uid="uid://d0cfgtx2yxw13" path="res://environments/prototype_environment.tres" id="1_i6jab"]
-[ext_resource type="PackedScene" uid="uid://dpsr6ug3pkb40" path="res://scenes/player.tscn" id="2_ajphm"]
+[ext_resource type="Script" uid="uid://ypgm3aplt78m" path="res://scripts/multiplayer/player_spawner.gd" id="4_pi0y7"]
 [ext_resource type="Material" uid="uid://bx3f5vx71ynh5" path="res://materials/OrangeMat.tres" id="4_y6i55"]
 [ext_resource type="Material" uid="uid://mlha6r17v2en" path="res://materials/Bluemat.tres" id="5_bno23"]
 
@@ -14,11 +14,6 @@ shadow_enabled = true
 [node name="WorldEnvironment" type="WorldEnvironment" parent="."]
 environment = ExtResource("1_i6jab")
 
-[node name="Player" parent="." instance=ExtResource("2_ajphm")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -1.073462, 1.5000002, -0.5869317)
-SPEED = 10.0
-TOGGLE_CROUCH = false
-
 [node name="CSGCombiner3D" type="CSGCombiner3D" parent="."]
 use_collision = true
 
@@ -40,3 +35,11 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.49652505, 4.840562)
 polygon = PackedVector2Array(0, 0, -0.061755046, 1.5814729, 2, 0)
 depth = 2.45
 material = ExtResource("5_bno23")
+
+[node name="Spawner" type="Node3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5862943, 0)
+script = ExtResource("4_pi0y7")
+
+[node name="MultiplayerSpawner" type="MultiplayerSpawner" parent="."]
+_spawnable_scenes = PackedStringArray("uid://dpsr6ug3pkb40")
+spawn_path = NodePath("..")

project.godot

@@ -11,13 +11,14 @@ config_version=5
 [application]
 
 config/name="Chelimbalo"
-run/main_scene="uid://cqrh2cc7m2i7f"
+run/main_scene="uid://cbtp4rvg66ba1"
 config/features=PackedStringArray("4.5", "Forward Plus")
 config/icon="res://icon.svg"
 
 [autoload]
 
 PlayerGlobal="*res://scripts/player/player_global.gd"
+Lobby="*res://scripts/multiplayer/lobby.gd"
 
 [input]
 

scenes/main_menu.tscn

@@ -0,0 +1,60 @@
+[gd_scene load_steps=4 format=3 uid="uid://cbtp4rvg66ba1"]
+
+[ext_resource type="Script" uid="uid://bsyuos803g7qf" path="res://scripts/gui/main_menu_gui.gd" id="1_l6cm7"]
+[ext_resource type="Script" uid="uid://cl3hhmw5666sj" path="res://scripts/gui/lobby/players_display.gd" id="2_ekxnf"]
+[ext_resource type="Script" uid="uid://2uyxkfmbbims" path="res://scripts/gui/lobby/lobby_buttons.gd" id="3_bqqt6"]
+
+[node name="MainMenu" 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_l6cm7")
+
+[node name="MainMenu" type="PanelContainer" parent="."]
+layout_mode = 0
+offset_right = 40.0
+offset_bottom = 40.0
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MainMenu"]
+layout_mode = 2
+
+[node name="HostButton" type="Button" parent="MainMenu/VBoxContainer"]
+layout_mode = 2
+text = "HOST"
+
+[node name="ConnectButton" type="Button" parent="MainMenu/VBoxContainer"]
+layout_mode = 2
+text = "CONNECT"
+
+[node name="Lobby" type="PanelContainer" parent="."]
+visible = false
+layout_mode = 0
+offset_right = 305.0
+offset_bottom = 242.0
+
+[node name="VBoxContainer" type="VBoxContainer" parent="Lobby"]
+layout_mode = 2
+
+[node name="Players" type="HBoxContainer" parent="Lobby/VBoxContainer"]
+layout_mode = 2
+script = ExtResource("2_ekxnf")
+
+[node name="Buttons" type="HBoxContainer" parent="Lobby/VBoxContainer"]
+layout_mode = 2
+script = ExtResource("3_bqqt6")
+
+[node name="LeaveButton" type="Button" parent="Lobby/VBoxContainer/Buttons"]
+layout_mode = 2
+text = "Leave"
+
+[node name="StartButton" type="Button" parent="Lobby/VBoxContainer/Buttons"]
+layout_mode = 2
+text = "Start"
+
+[connection signal="pressed" from="MainMenu/VBoxContainer/HostButton" to="." method="_on_host_button_pressed"]
+[connection signal="pressed" from="MainMenu/VBoxContainer/ConnectButton" to="." method="_on_connect_button_pressed"]
+[connection signal="pressed" from="Lobby/VBoxContainer/Buttons/LeaveButton" to="Lobby/VBoxContainer/Buttons" method="_on_leave_button_pressed"]
+[connection signal="pressed" from="Lobby/VBoxContainer/Buttons/StartButton" to="Lobby/VBoxContainer/Buttons" method="_on_start_button_pressed"]

scenes/player.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=10 format=3 uid="uid://dpsr6ug3pkb40"]
+[gd_scene load_steps=11 format=3 uid="uid://dpsr6ug3pkb40"]
 
 [ext_resource type="Script" uid="uid://3dphlay25fih" path="res://scripts/player/player.gd" id="1_g2els"]
 [ext_resource type="Script" uid="uid://dalwlndejfdhm" path="res://scripts/player/crosshair.gd" id="3_dqkch"]
@@ -95,6 +95,21 @@ _data = {
 }
 
 [sub_resource type="CapsuleShape3D" id="CapsuleShape3D_g2els"]
+height = 1.2958984
+
+[sub_resource type="SceneReplicationConfig" id="SceneReplicationConfig_qhqgy"]
+properties/0/path = NodePath(".:position")
+properties/0/spawn = true
+properties/0/replication_mode = 1
+properties/1/path = NodePath(".:rotation")
+properties/1/spawn = true
+properties/1/replication_mode = 1
+properties/2/path = NodePath("Camera3D:rotation")
+properties/2/spawn = true
+properties/2/replication_mode = 1
+properties/3/path = NodePath(".:crouched")
+properties/3/spawn = true
+properties/3/replication_mode = 1
 
 [node name="Player" type="CharacterBody3D" node_paths=PackedStringArray("animation_player", "stand_up_area")]
 collision_layer = 2
@@ -122,7 +137,7 @@ libraries = {
 collision_layer = 0
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="StandArea"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.3520508, 0)
 shape = SubResource("CapsuleShape3D_g2els")
 debug_color = Color(0.9878064, 0, 0.31407458, 0.41960785)
 debug_fill = false
@@ -152,3 +167,6 @@ script = ExtResource("3_dqkch")
 crosses_width = 2.0
 crosses_length = 6.0
 crosses_offset = 3.0
+
+[node name="MultiplayerSynchronizer" type="MultiplayerSynchronizer" parent="."]
+replication_config = SubResource("SceneReplicationConfig_qhqgy")

scenes/smoke.tscn

@@ -1,3 +1,49 @@
-[gd_scene format=3 uid="uid://cheu6vds21er7"]
+[gd_scene load_steps=8 format=3 uid="uid://cheu6vds21er7"]
 
-[node name="Smoke" type="RigidBody3D"]
+[ext_resource type="Script" uid="uid://t5jjqwnkxgvo" path="res://scripts/smoke_grenade.gd" id="1_acmqr"]
+
+[sub_resource type="PhysicsMaterial" id="PhysicsMaterial_acmqr"]
+bounce = 0.5
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_vb5ru"]
+radius = 0.1
+height = 0.5
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_acmqr"]
+frequency = 0.1141
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_rx0m8"]
+width = 128
+height = 128
+depth = 128
+noise = SubResource("FastNoiseLite_acmqr")
+
+[sub_resource type="FogMaterial" id="FogMaterial_rx0m8"]
+resource_local_to_scene = true
+density = 8.0
+density_texture = SubResource("NoiseTexture3D_rx0m8")
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_acmqr"]
+radius = 0.1
+height = 0.5
+
+[node name="Smoke" type="RigidBody3D" node_paths=PackedStringArray("fog")]
+physics_material_override = SubResource("PhysicsMaterial_acmqr")
+contact_monitor = true
+max_contacts_reported = 1
+script = ExtResource("1_acmqr")
+radius = 10.0
+fog = NodePath("FogVolume")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("CapsuleMesh_vb5ru")
+
+[node name="FogVolume" type="FogVolume" parent="."]
+size = Vector3(0, 0, 0)
+shape = 0
+material = SubResource("FogMaterial_rx0m8")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("CapsuleShape3D_acmqr")
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]

scripts/gui/lobby/lobby_buttons.gd

@@ -0,0 +1,13 @@
+extends Node
+
+func _ready() -> void:
+	Lobby.lobby_joined.connect(on_lobby_joined)
+
+func _on_leave_button_pressed() -> void:
+	Lobby.leave()
+
+func _on_start_button_pressed() -> void:
+	Lobby.start_game.rpc()
+
+func on_lobby_joined() -> void:
+	$StartButton.hide()

scripts/gui/lobby/lobby_buttons.gd.uid

@@ -0,0 +1 @@
+uid://2uyxkfmbbims

scripts/gui/lobby/players_display.gd

@@ -0,0 +1,28 @@
+extends Node
+
+
+func _ready() -> void:
+	multiplayer.peer_connected.connect(on_peer_connected)
+	multiplayer.peer_disconnected.connect(on_peer_disconnected)
+	Lobby.lobby_created.emit(add_self)
+	Lobby.lobby_joined.emit(add_self)
+	Lobby.lobby_closed.emit(clear)
+
+func on_peer_connected(id: int) -> void:
+	var label = Label.new()
+	label.text = str(id)
+	label.name = str(id)
+	add_child(label,true)
+
+func on_peer_disconnected(id: int) -> void:
+	get_node(str(id)).queue_free()
+
+func add_self() -> void:
+	var label = Label.new()
+	label.text = str(multiplayer.get_unique_id())
+	label.name = str(multiplayer.get_unique_id())
+	add_child(label,true)
+
+func clear() -> void:
+	for child in get_children():
+		child.queue_free()

scripts/gui/lobby/players_display.gd.uid

@@ -0,0 +1 @@
+uid://cl3hhmw5666sj

scripts/gui/main_menu_gui.gd

@@ -0,0 +1,14 @@
+extends Node
+
+
+
+func _on_host_button_pressed() -> void:
+	Lobby.host()
+	$MainMenu.hide()
+	$Lobby.show()
+
+
+func _on_connect_button_pressed() -> void:
+	Lobby.join("localhost")
+	$MainMenu.hide()
+	$Lobby.show()

scripts/gui/main_menu_gui.gd.uid

@@ -0,0 +1 @@
+uid://bsyuos803g7qf

scripts/multiplayer/loaded_notifier.gd

@@ -0,0 +1,7 @@
+extends Node
+
+
+func _ready() -> void:
+	if not multiplayer.is_server():
+		return
+	Lobby.add_loaded_player(multiplayer.get_unique_id())

scripts/multiplayer/loaded_notifier.gd.uid

@@ -0,0 +1 @@
+uid://bdxy621fthtrv

scripts/multiplayer/lobby.gd

@@ -0,0 +1,29 @@
+extends Node
+
+
+const MAX_PLAYERS: int = 10
+const PORT: int = 7777
+
+signal lobby_created
+signal lobby_joined
+signal lobby_closed
+
+func host() -> void:
+	var peer: ENetMultiplayerPeer = ENetMultiplayerPeer.new()
+	peer.create_server(PORT,MAX_PLAYERS)
+	multiplayer.multiplayer_peer = peer
+	lobby_created.emit()
+
+func join(ip: String) -> void:
+	var peer: ENetMultiplayerPeer = ENetMultiplayerPeer.new()
+	peer.create_client(ip,PORT)
+	multiplayer.multiplayer_peer = peer
+	lobby_joined.emit()
+
+func leave() -> void:
+	multiplayer.multiplayer_peer = OfflineMultiplayerPeer.new()
+	lobby_closed.emit()
+
+@rpc("authority","call_local","reliable")
+func start_game() -> void:
+	get_tree().change_scene_to_file("res://levels/prototype_scene.tscn")

scripts/multiplayer/lobby.gd.uid

@@ -0,0 +1 @@
+uid://c5sfxrl7hky6p

scripts/multiplayer/player_spawner.gd

@@ -0,0 +1,15 @@
+extends Node3D
+
+
+func _ready() -> void:
+	if not multiplayer.is_server():
+		return
+	spawn_player(multiplayer.get_unique_id())
+	for i in multiplayer.get_peers():
+		spawn_player(i)
+
+func spawn_player(id) -> void:
+	var player: PackedScene = load("res://scenes/player.tscn")
+	var inst = player.instantiate()
+	inst.name = str(id)
+	get_tree().current_scene.add_child.call_deferred(inst,true)

scripts/multiplayer/player_spawner.gd.uid

@@ -0,0 +1 @@
+uid://ypgm3aplt78m

scripts/player/crosshair.gd

@@ -14,7 +14,7 @@ extends Control
 @export var crosses_color: Color = Color.WHITE
 
 func _draw() -> void:
-	draw_circle(Vector2(0,0),dot_radius,dot_color,true,outline_width)
+	draw_circle(Vector2(0,0),dot_radius,dot_color,false,outline_width)
 	for i in range(0,4):
 		var direction: Vector2 = Vector2.RIGHT.rotated(i*PI/2)
 		var offset_position: Vector2 = direction * crosses_offset

scripts/player/player.gd

@@ -10,7 +10,7 @@ extends CharacterBody3D
 @export var TOGGLE_CROUCH: bool = true
 @export var WALK_MODIFIER: float = 0.5
 
-var crouched: bool = false:
+@export var crouched: bool = false:
 	set(value):
 		if value != crouched and stand_up_area.has_overlapping_bodies() == false:
 			crouched = value
@@ -22,11 +22,18 @@ var crouched: bool = false:
 
 var potential_crouched: bool = crouched
 
+func _enter_tree() -> void:
+	set_multiplayer_authority(str(name).to_int())
+
 func _process(_delta: float) -> void:
+	if not is_multiplayer_authority():
+		return
 	if potential_crouched != crouched:
 		crouched = potential_crouched
 
 func _physics_process(delta: float) -> void:
+	if not is_multiplayer_authority():
+		return
 	# Add the gravity.
 	if not is_on_floor():
 		velocity += get_gravity() * delta
@@ -55,6 +62,8 @@ func update_crouch():
 		animation_player.play("Crouch",-1,-1/CROUCH_TIME,true)
 
 func _input(event: InputEvent) -> void:
+	if not is_multiplayer_authority():
+		return
 	if event.is_action_pressed("plr_crouch"):
 		if TOGGLE_CROUCH:
 			crouched = not crouched
@@ -62,3 +71,7 @@ func _input(event: InputEvent) -> void:
 			crouched = true
 	elif event.is_action_released("plr_crouch") and TOGGLE_CROUCH == false:
 		crouched = false
+	if event.is_action_pressed("plr_drop"):
+		var grenade = preload("res://scenes/smoke.tscn").instantiate()
+		get_tree().current_scene.add_child(grenade)
+		grenade.global_position = global_position + Vector3.UP * 0.5

scripts/player/player_camera.gd

@@ -4,11 +4,19 @@ const COLLINEAR = 1.5707963267948966
 
 @export var SENSITIVITY = 0.02
 
+func _enter_tree() -> void:
+	set_multiplayer_authority(get_parent().name.to_int())
+
 func _ready() -> void:
 	# Move to level controller when possible
-	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+	#Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+	if not is_multiplayer_authority():
+		return
+	current = true
 
 func _input(event: InputEvent) -> void:
+	if not is_multiplayer_authority():
+		return
 	if event is InputEventMouseMotion:
 		get_parent().rotate_y(-event.relative.x * SENSITIVITY)
 		rotate_x(-event.relative.y * SENSITIVITY)

scripts/smoke_grenade.gd

@@ -0,0 +1,22 @@
+extends RigidBody3D
+
+
+@export var radius: float
+@export var fog: FogVolume
+
+var bounce_count: int = 0
+
+
+func _on_body_entered(_body: Node) -> void:
+	if bounce_count > 2:
+		return
+	bounce_count += 1
+	if bounce_count == 2:
+		smoke()
+
+func smoke():
+	var tween = create_tween().set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_EXPO)
+	tween.tween_property(fog,"size",Vector3(radius,radius,radius),1.0)
+	tween.tween_interval(10)
+	tween.tween_property(fog.material,"density",0,1.0)
+	tween.tween_callback(queue_free)

scripts/smoke_grenade.gd.uid

@@ -0,0 +1 @@
+uid://t5jjqwnkxgvo