use GDREGISTER_CLASS

Il est caché pour l'instant parce que c'est plus rapide à debug le reste pour le moment

Reviewed-on: #1
Co-authored-by: Persson-dev <sim16.prib@gmail.com>
Co-committed-by: Persson-dev <sim16.prib@gmail.com>

godot/Scenes/Characters/player.tscn

@@ -3276,7 +3276,6 @@ node_connections = [&"ground_air_transition", 0, &"iwr_blend", &"ground_air_tran
 velocity = Vector3(0, -5821.84, 0)
 
 [node name="Mesh" type="Node3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.0730165, 0)
 
 [node name="Armature" type="Node3D" parent="Mesh"]
 transform = Transform3D(0.01, 0, 0, 0, -3.57628e-09, -0.01, 0, 0.01, -3.57628e-09, 0, 0, 0)
@@ -3750,15 +3749,6 @@ skin = SubResource("Skin_l3wpu")
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.908729, 0)
 shape = SubResource("CapsuleShape3D_mm42w")
 
-[node name="SpringArmPivot" type="SpringArmPivot" parent="."]
-
-[node name="SpringArm3D" type="SpringArm3D" parent="SpringArmPivot"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.31667, 0)
-spring_length = 2.0
-margin = 0.2
-
-[node name="Camera3D" type="Camera3D" parent="SpringArmPivot/SpringArm3D"]
-
 [node name="AnimationPlayer" type="AnimationPlayer" parent="."]
 root_node = NodePath("../Mesh")
 libraries = {

godot/Scenes/Levels/world.tscn

@@ -1,11 +1,9 @@
-[gd_scene load_steps=20 format=3 uid="uid://coue2qehpn4fr"]
+[gd_scene load_steps=17 format=3 uid="uid://coue2qehpn4fr"]
 
-[ext_resource type="Texture2D" uid="uid://dujfl12rge3p4" path="res://Assets/Textures/Sky.png" id="1_mnexj"]
-[ext_resource type="Texture2D" uid="uid://b8n5rff2a8h2u" path="res://Assets/Textures/Black.png" id="2_fkwcn"]
-[ext_resource type="Texture2D" uid="uid://lpbttkw7gpxj" path="res://Assets/Textures/Orange.png" id="3_ux02w"]
-[ext_resource type="Texture2D" uid="uid://di3uyny341483" path="res://Assets/Textures/Green.png" id="4_wp15n"]
-[ext_resource type="PackedScene" uid="uid://bcawyy7lmwphr" path="res://Scenes/Characters/zombie.tscn" id="5_4vmh3"]
-[ext_resource type="PackedScene" uid="uid://d38w4ae3qj0k4" path="res://Scenes/Characters/first_person_player.tscn" id="5_8ctht"]
+[ext_resource type="Texture2D" path="res://Assets/Textures/Sky.png" id="1_mnexj"]
+[ext_resource type="Texture2D" path="res://Assets/Textures/Black.png" id="2_fkwcn"]
+[ext_resource type="Texture2D" path="res://Assets/Textures/Orange.png" id="3_ux02w"]
+[ext_resource type="Texture2D" path="res://Assets/Textures/Green.png" id="4_wp15n"]
 
 [sub_resource type="PanoramaSkyMaterial" id="PanoramaSkyMaterial_6c4vd"]
 panorama = ExtResource("1_mnexj")
@@ -19,12 +17,6 @@ sky = SubResource("Sky_5ngqa")
 tonemap_mode = 2
 glow_enabled = true
 
-[sub_resource type="NavigationMesh" id="NavigationMesh_2pdqo"]
-vertices = PackedVector3Array(-5.25, 0.5, 1, -5, 0.5, -1.75, -5.5, 0.5, -2, -11.25, 0.5, 1, -5.5, 0.5, -3.75, -3.25, 0.5, -4, -3.25, 0.5, -24.5, -11.25, 0.5, 1, -5.5, 0.5, -2, -5.5, 0.5, -3.75, -24.5, 0.5, 3.25, -11.5, 0.5, 3.25, -11.25, 0.5, 1, -24.5, 0.5, 3.25, -11.25, 0.5, 1, -5.5, 0.5, -3.75, -3.25, 0.5, -24.5, -24.5, 0.5, -24.5, -3.25, 0.5, -4, 3.5, 0.5, -4, 3.5, 0.5, -24.5, -3.25, 0.5, -24.5, 5.5, 0.5, -4, 5.75, 0.5, -3, 24.5, 0.5, -3, 24.5, 0.5, -24.5, 3.5, 0.5, -24.5, 3.5, 0.5, -24.5, 3.5, 0.5, -4, 5.5, 0.5, -4, -5, 0.5, -1.75, -5.25, 0.5, 1, -5, 0.75, 2, 5.25, 0.5, -1.75, -5, 0.75, 2, -7.25, 1.5, 2, -7.25, 1.5, 6, -5, 0.75, 6.25, 24.5, 0.5, -3, 5.75, 0.5, -3, 5.25, 0.5, -1.75, -5.25, 0.5, 7.25, -6.75, 0.5, 7.25, -6.5, 0.5, 24.5, 5.25, 0.5, -1.75, -5, 0.75, 2, -5, 0.75, 6.25, 5.25, 0.5, -1.75, -5, 0.75, 6.25, -5.25, 0.5, 7.25, -6.5, 0.5, 24.5, 24.5, 0.5, 24.5, 24.5, 0.5, -3, -7.25, 1.5, 6, -7.25, 1.5, 2, -14, 3.75, 2, -14, 3.75, 6, -11.5, 0.5, 7, -11.5, 0.5, 3.25, -24.5, 0.5, 3.25, -10, 0.5, 24.5, -9.75, 0.5, 7.25, -11.5, 0.5, 7, -11.5, 0.5, 7, -24.5, 0.5, 3.25, -24.5, 0.5, 24.5, -10, 0.5, 24.5, -10, 0.5, 24.5, -6.5, 0.5, 24.5, -6.75, 0.5, 7.25, -9.75, 0.5, 7.25)
-polygons = [PackedInt32Array(1, 0, 2), PackedInt32Array(2, 0, 3), PackedInt32Array(6, 5, 4), PackedInt32Array(7, 9, 8), PackedInt32Array(12, 11, 10), PackedInt32Array(14, 13, 15), PackedInt32Array(15, 13, 16), PackedInt32Array(16, 13, 17), PackedInt32Array(21, 20, 18), PackedInt32Array(18, 20, 19), PackedInt32Array(23, 22, 24), PackedInt32Array(24, 22, 25), PackedInt32Array(25, 22, 26), PackedInt32Array(29, 28, 27), PackedInt32Array(31, 30, 32), PackedInt32Array(32, 30, 33), PackedInt32Array(35, 34, 36), PackedInt32Array(36, 34, 37), PackedInt32Array(40, 39, 38), PackedInt32Array(43, 42, 41), PackedInt32Array(46, 45, 44), PackedInt32Array(48, 47, 49), PackedInt32Array(49, 47, 50), PackedInt32Array(50, 47, 52), PackedInt32Array(50, 52, 51), PackedInt32Array(56, 55, 53), PackedInt32Array(53, 55, 54), PackedInt32Array(59, 58, 57), PackedInt32Array(62, 61, 60), PackedInt32Array(66, 65, 63), PackedInt32Array(63, 65, 64), PackedInt32Array(70, 69, 67), PackedInt32Array(67, 69, 68)]
-agent_radius = 0.4
-agent_max_slope = 60.0
-
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ajchh"]
 albedo_texture = ExtResource("2_fkwcn")
 uv1_triplanar = true
@@ -58,52 +50,40 @@ uv1_triplanar = true
 [sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_rit6o"]
 data = PackedVector3Array(-12.5, 2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -12.5, 2.5, -2.5, -2.5, -2.5, -2.5, 2.5, -2.5, -2.5, -12.5, 2.5, 2.5, -12.5, 2.5, -2.5, 2.5, -2.5, 2.5, -12.5, 2.5, -2.5, 2.5, -2.5, -2.5, 2.5, -2.5, 2.5, -12.5, 2.5, -2.5, -12.5, 2.5, 2.5, -2.5, -2.5, -2.5, -12.5, 2.5, 2.5, -2.5, -2.5, 2.5, -2.5, -2.5, -2.5, -2.5, -2.5, 2.5, 2.5, -2.5, 2.5, -2.5, -2.5, -2.5, 2.5, -2.5, 2.5, 2.5, -2.5, -2.5, -2.5, -2.5, -2.5)
 
-[node name="World" type="Node3D"]
+[node name="World" type="World"]
 
-[node name="Map" type="Node3D" parent="."]
-
-[node name="WorldEnvironment" type="WorldEnvironment" parent="Map"]
+[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
 environment = SubResource("Environment_ctwiv")
 
-[node name="DirectionalLight3D" type="DirectionalLight3D" parent="Map"]
-transform = Transform3D(-0.866026, -0.433013, 0.249999, 0.5, -0.750001, 0.433012, -1.3411e-07, 0.499999, 0.866026, 0, 0, 0)
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
+transform = Transform3D(-0.866026, -0.433013, 0.249999, 0.5, -0.75, 0.433012, -1.3411e-07, 0.499999, 0.866026, 0, 0, 0)
 shadow_enabled = true
 
-[node name="NavigationRegion3D" type="NavigationRegion3D" parent="Map"]
-navigation_mesh = SubResource("NavigationMesh_2pdqo")
-
-[node name="Floor" type="MeshInstance3D" parent="Map/NavigationRegion3D"]
+[node name="Floor" type="MeshInstance3D" parent="."]
 mesh = SubResource("PlaneMesh_mmup0")
-skeleton = NodePath("../../..")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Map/NavigationRegion3D/Floor"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Floor"]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Floor/StaticBody3D"]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Floor/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_26ptr")
 
-[node name="Wall" type="MeshInstance3D" parent="Map/NavigationRegion3D"]
+[node name="Wall" type="MeshInstance3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, -3)
 mesh = SubResource("BoxMesh_plpqy")
-skeleton = NodePath("../../..")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Map/NavigationRegion3D/Wall"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Wall"]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Wall/StaticBody3D"]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Wall/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_v7prx")
 
-[node name="Slope" type="MeshInstance3D" parent="Map/NavigationRegion3D"]
+[node name="Slope" type="MeshInstance3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2, 1, 4)
 mesh = SubResource("PrismMesh_0l7qq")
-skeleton = NodePath("../../..")
 surface_material_override/0 = SubResource("StandardMaterial3D_pfpgv")
 
-[node name="StaticBody3D" type="StaticBody3D" parent="Map/NavigationRegion3D/Slope"]
+[node name="StaticBody3D" type="StaticBody3D" parent="Slope"]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="Map/NavigationRegion3D/Slope/StaticBody3D"]
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Slope/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_rit6o")
 
-[node name="zombie" parent="Map" instance=ExtResource("5_4vmh3")]
-m_PlayerPath = NodePath("../../FirstPersonPlayer")
-transform = Transform3D(-0.98774, 0, -0.156107, 0, 1, 0, 0.156107, 0, -0.98774, 0, 0, 7.38477)
-
-[node name="FirstPersonPlayer" parent="." instance=ExtResource("5_8ctht")]
+[node name="Players" type="Node" parent="."]

godot/Scenes/Menus/mainmenu.tscn

@@ -0,0 +1,41 @@
+[gd_scene format=3 uid="uid://bqfqg7xwwlxd8"]
+
+[node name="MainMenu" type="MainMenu"]
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+
+[node name="Container" type="VBoxContainer" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -228.512
+offset_top = -89.5
+offset_right = 228.512
+offset_bottom = 89.5
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="JoinButton" type="Button" parent="Container"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 35
+text = "Join Game"
+
+[node name="CreateButton" type="Button" parent="Container"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 35
+text = "Create Game"
+
+[node name="QuitButton" type="Button" parent="Container"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 35
+text = "Quit"

godot/Scenes/Network/networking.tscn

@@ -0,0 +1,5 @@
+[gd_scene format=3 uid="uid://clafls1xhludi"]
+
+[node name="Lobby" type="Lobby"]
+
+[node name="NetworkInterface" type="NetworkInterface" parent="."]

godot/Scenes/Network/server.tscn

@@ -0,0 +1,3 @@
+[gd_scene format=3 uid="uid://us5sb4a0kq8d"]
+
+[node name="Server" type="Server"]

godot/Scenes/Weapons/bullet.tscn

@@ -1,51 +0,0 @@
-[gd_scene load_steps=6 format=3 uid="uid://do601jl7p1u22"]
-
-[sub_resource type="BoxMesh" id="BoxMesh_ibwn0"]
-size = Vector3(0.05, 0.05, 1)
-
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_2qdhl"]
-albedo_color = Color(1, 0.764706, 0.294118, 1)
-emission_enabled = true
-emission = Color(0.568627, 1, 0.313726, 1)
-emission_energy_multiplier = 5.0
-
-[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_618v8"]
-direction = Vector3(0, 0, 1)
-initial_velocity_min = 3.0
-initial_velocity_max = 5.0
-
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_gn2fy"]
-albedo_color = Color(1, 1, 0.443137, 1)
-emission_enabled = true
-emission = Color(0.568627, 1, 0.313726, 1)
-emission_energy_multiplier = 8.0
-
-[sub_resource type="BoxMesh" id="BoxMesh_5un5e"]
-material = SubResource("StandardMaterial3D_gn2fy")
-size = Vector3(0.04, 0.04, 0.04)
-
-[node name="Bullet" type="Bullet"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -52730.2)
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
-mesh = SubResource("BoxMesh_ibwn0")
-surface_material_override/0 = SubResource("StandardMaterial3D_2qdhl")
-
-[node name="RayCast3D" type="RayCast3D" parent="."]
-target_position = Vector3(0, 0, -0.6)
-
-[node name="GPUParticles3D" type="GPUParticles3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.7)
-emitting = false
-one_shot = true
-explosiveness = 1.0
-visibility_aabb = AABB(-1.00001, -6.06334, -1.00001, 2.00002, 7.06267, 41.4102)
-process_material = SubResource("ParticleProcessMaterial_618v8")
-draw_pass_1 = SubResource("BoxMesh_5un5e")
-
-[node name="Timer" type="Timer" parent="."]
-wait_time = 10.0
-one_shot = true
-autostart = true
-
-[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]

godot/Scenes/Weapons/steampunk_rifle.tscn

@@ -1,36 +0,0 @@
-[gd_scene load_steps=4 format=3 uid="uid://ciex3x7rhv1bx"]
-
-[ext_resource type="PackedScene" uid="uid://bkskefixbe2cw" path="res://Assets/Models/Weapons/Steampunk Rifle.glb" id="1_0bnv5"]
-
-[sub_resource type="Animation" id="Animation_20uwx"]
-resource_name = "Shoot"
-length = 0.1
-step = 0.01
-tracks/0/type = "value"
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/path = NodePath("Node:position")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/keys = {
-"times": PackedFloat32Array(0, 0.01, 0.1),
-"transitions": PackedFloat32Array(1, 1, 1),
-"update": 0,
-"values": [Vector3(0, 0, 0), Vector3(0, 0, 0.05), Vector3(0, 0, 0)]
-}
-
-[sub_resource type="AnimationLibrary" id="AnimationLibrary_113bo"]
-_data = {
-"Shoot": SubResource("Animation_20uwx")
-}
-
-[node name="Steampunk Rifle" instance=ExtResource("1_0bnv5")]
-
-[node name="AnimationPlayer" type="AnimationPlayer" parent="." index="1"]
-libraries = {
-"": SubResource("AnimationLibrary_113bo")
-}
-
-[node name="RayCast3D" type="RayCast3D" parent="." index="2"]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -1.10108)
-target_position = Vector3(0, 0, -1)

godot/Scenes/main.tscn

@@ -0,0 +1,15 @@
+[gd_scene load_steps=3 format=3 uid="uid://4jt0v2b2l4rt"]
+
+[ext_resource type="PackedScene" path="res://Scenes/Network/networking.tscn" id="1_06ibn"]
+[ext_resource type="PackedScene" path="res://Scenes/Menus/mainmenu.tscn" id="2_lavg1"]
+
+[node name="Main" type="Main"]
+
+[node name="Lobby" parent="." instance=ExtResource("1_06ibn")]
+
+[node name="MainMenu" parent="." instance=ExtResource("2_lavg1")]
+
+[connection signal="local_player_connected" from="Lobby" to="MainMenu" method="on_connected"]
+[connection signal="change_scene" from="MainMenu" to="." method="change_scene"]
+[connection signal="create_game" from="MainMenu" to="Lobby" method="create_game"]
+[connection signal="join_game" from="MainMenu" to="Lobby" method="join_game"]

godot/bin/Blitz3.gdextension

@@ -1,5 +1,5 @@
 [icons]
-Blitz3 = "res://icon.svg"
+Blitz3 = "res://icon.png"
 
 [configuration]
 

godot/bullet.tscn

@@ -1,19 +0,0 @@
-[gd_scene load_steps=3 format=3 uid="uid://bt0551kcc5tw4"]
-
-[sub_resource type="BoxMesh" id="BoxMesh_ibwn0"]
-size = Vector3(0.05, 0.05, 1)
-
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_2qdhl"]
-albedo_color = Color(1, 0.764706, 0.294118, 1)
-emission_enabled = true
-emission = Color(0.568627, 1, 0.313726, 1)
-emission_energy_multiplier = 5.0
-
-[node name="Bullet" type="Bullet"]
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
-mesh = SubResource("BoxMesh_ibwn0")
-surface_material_override/0 = SubResource("StandardMaterial3D_2qdhl")
-
-[node name="RayCast3D" type="RayCast3D" parent="."]
-target_position = Vector3(0, 0, -0.6)

godot/icon.svg

@@ -1 +0,0 @@
-<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><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 276 813 276 813 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H447l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c3 34 55 34 58 0v-86c-3-34-55-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>

godot/project.godot

@@ -11,9 +11,14 @@ config_version=5
 [application]
 
 config/name="Blitz3"
-run/main_scene="res://Scenes/Levels/world.tscn"
+run/main_scene="res://Scenes/main.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
-config/icon="res://icon.svg"
+config/icon="res://icon.png"
+
+[display]
+
+window/size/viewport_width=1920
+window/size/viewport_height=1080
 
 [input]
 
@@ -49,11 +54,6 @@ jump={
 }
 escape={
 "deadzone": 0.5,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194305,"key_label":0,"unicode":0,"echo":false,"script":null)
-]
-}
-shoot={
-"deadzone": 0.5,
-"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":1,"position":Vector2(351, 9),"global_position":Vector2(355, 50),"factor":1.0,"button_index":1,"canceled":false,"pressed":true,"double_click":false,"script":null)
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194305,"key_label":0,"unicode":0,"echo":false,"script":null)
 ]
 }

include/blitz/common/NonCopyable.h

@@ -0,0 +1,25 @@
+#pragma once
+
+/**
+ * \file NonCopyable.h
+ * \brief File containing the blitz::NonCopyable class
+ */
+
+namespace blitz {
+
+/**
+ * \class NonCopyable
+ * \brief Class used to make a class non copyable
+ * \note Inherit from this class privately to make a class non copyable
+ */
+class NonCopyable {
+  public:
+	NonCopyable(const NonCopyable&) = delete;
+	NonCopyable& operator=(const NonCopyable&) = delete;
+
+  protected:
+	NonCopyable() {}
+	~NonCopyable() {}
+};
+
+}  // namespace blitz

include/blitz/common/Types.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <cstdint>
+
+namespace blitz {
+
+using EntityID = std::uint64_t;
+using PeerID = std::int32_t;
+using PlayerID = PeerID;
+
+}  // namespace blitz

include/blitz/protocol/ByteBuffer.h

@@ -0,0 +1,89 @@
+#pragma once
+
+#include <godot_cpp/variant/packed_byte_array.hpp>
+#include <godot_cpp/variant/string.hpp>
+#include <vector>
+
+namespace blitz {
+namespace protocol {
+
+class PlayerInfo;
+
+#define Operators(Type, GodotType)                                                                                                    \
+	ByteBuffer& operator>>(Type& a_Data) {                                                                                            \
+		a_Data = m_Buffer.decode_##GodotType(m_ReadOffset);                                                                           \
+		m_ReadOffset += sizeof(a_Data);                                                                                               \
+		return *this;                                                                                                                 \
+	}                                                                                                                                 \
+                                                                                                                                      \
+	ByteBuffer& operator<<(Type a_Data) {                                                                                             \
+		m_Buffer.resize(m_Buffer.size() + sizeof(a_Data));                                                                            \
+		m_Buffer.encode_##GodotType(m_Buffer.size() - sizeof(a_Data), a_Data);                                                        \
+		return *this;                                                                                                                 \
+	}
+
+class ByteBuffer {
+  private:
+	godot::PackedByteArray m_Buffer;
+	std::size_t m_ReadOffset;
+
+  public:
+	ByteBuffer(godot::PackedByteArray&& a_Buffer) : m_Buffer(std::move(a_Buffer)), m_ReadOffset(0) {}
+	ByteBuffer() : m_ReadOffset(0) {
+		m_Buffer.resize(0);
+	}
+
+	const godot::PackedByteArray& GetByteArray() const {
+		return m_Buffer;
+	}
+
+	godot::PackedByteArray& GetByteArray() {
+		return m_Buffer;
+	}
+
+	// Integers
+	Operators(int8_t, s8);
+	Operators(uint8_t, u8);
+	Operators(int16_t, s16);
+	Operators(uint16_t, u16);
+	Operators(int32_t, s32);
+	Operators(uint32_t, u32);
+	Operators(int64_t, s64);
+	Operators(uint64_t, u64);
+
+	// Reals
+	Operators(float, float);
+	Operators(double, double);
+
+	ByteBuffer& operator<<(const godot::String& a_Data);
+	ByteBuffer& operator>>(godot::String& a_Data);
+
+	ByteBuffer& operator<<(const godot::Vector3& a_Data);
+	ByteBuffer& operator>>(godot::Vector3& a_Data);
+
+	template <typename T>
+	ByteBuffer& operator<<(const std::vector<T>& a_Data) {
+		*this << static_cast<std::uint32_t>(a_Data.size());
+		for (const T& data : a_Data) {
+			*this << data;
+		}
+		return *this;
+	}
+
+	template <typename T>
+	ByteBuffer& operator>>(std::vector<T>& a_Data) {
+		std::uint32_t arraySize;
+		*this >> arraySize;
+		a_Data.resize(arraySize);
+		for (std::uint32_t i = 0; i < arraySize; i++) {
+			*this >> a_Data[i];
+		}
+		return *this;
+	}
+
+	ByteBuffer& operator<<(const PlayerInfo& a_Data);
+	ByteBuffer& operator>>(PlayerInfo& a_Data);
+};
+
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketData.h

@@ -0,0 +1,72 @@
+#pragma once
+
+#include <blitz/common/Types.h>
+#include <vector>
+#include <godot_cpp/variant/string.hpp>
+#include <godot_cpp/variant/vector3.hpp>
+
+namespace blitz {
+namespace protocol {
+
+struct PlayerInfo {
+	PlayerID m_PlayerId;
+	godot::String m_PlayerName;
+};
+
+namespace data {
+
+struct PlayerLogin {
+	godot::String m_PlayerName;
+};
+
+struct UpdateHealth {
+	float m_NewHealth;
+};
+
+struct LoggingSuccess {
+	PlayerID m_PlayerId;
+};
+
+struct PlayerDeath {};
+
+struct PlayerJoin {
+	PlayerInfo m_Player;
+};
+
+struct PlayerLeave {
+	PlayerID m_PlayerId;
+};
+
+struct PlayerStats {};
+
+struct PlayerList {
+	std::vector<PlayerInfo> m_Players;
+};
+
+struct ServerConfig {};
+
+struct ServerTps {};
+
+struct UpdateGameState {};
+
+struct KeepAlive {
+	std::uint64_t m_KeepAliveId;
+};
+
+struct Disconnect {};
+
+struct ChatMessage {
+	godot::String m_Text;
+};
+
+struct PlayerPositionAndRotation {
+	PlayerID m_Player;
+	godot::Vector3 m_Position;
+	godot::Vector3 m_Rotation;
+};
+
+struct PlayerShoot {};
+
+}  // namespace data
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketDeclare.h

@@ -0,0 +1,49 @@
+#pragma once
+
+/**
+ * \file PacketDeclare.h
+ * \brief Holds the definitions of the packets (but not their content)
+ */
+
+namespace blitz {
+namespace protocol {
+
+/**
+ * \enum PacketSender
+ * \brief Indicate who should send a packet
+ */
+enum class PacketSender {
+	/** Sent by clients and server */
+	Both,
+	/** Sent by clients to the server */
+	Client,
+	/** Sent by server to the clients */
+	Server,
+};
+
+
+/**
+ * \def DeclareAllPacket
+ * \brief Avoids repetitive operations on packets
+ */
+#define DeclareAllPacket() \
+	DeclarePacket(ChatMessage, Reliable, Both) \
+	DeclarePacket(Disconnect, Reliable, Both) \
+	DeclarePacket(KeepAlive, Reliable, Both)  \
+	DeclarePacket(LoggingSuccess, Reliable, Server) \
+	DeclarePacket(PlayerDeath, Reliable, Server) \
+	DeclarePacket(PlayerJoin, Reliable, Server) \
+	DeclarePacket(PlayerLeave, Reliable, Server) \
+	DeclarePacket(PlayerList, Reliable, Server) \
+	DeclarePacket(PlayerLogin, Reliable, Client) \
+	DeclarePacket(PlayerPositionAndRotation, Reliable, Both) \
+	DeclarePacket(PlayerShoot, Reliable, Both) \
+	DeclarePacket(PlayerStats, Reliable, Server) \
+	DeclarePacket(ServerConfig, Reliable, Server) \
+	DeclarePacket(ServerTps, Reliable, Server) \
+	DeclarePacket(UpdateGameState, Reliable, Server) \
+	DeclarePacket(UpdateHealth, Reliable, Client)
+
+
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketDispatcher.h

@@ -0,0 +1,58 @@
+#pragma once
+
+/**
+ * \file PacketDispatcher.h
+ * \brief File containing the blitz::protocol::PacketDispatcher class
+ */
+
+#include <blitz/common/NonCopyable.h>
+#include <blitz/protocol/Packets.h>
+
+#include <map>
+
+namespace blitz {
+namespace protocol {
+
+class PacketHandler;
+
+/**
+ * \class PacketDispatcher
+ * \brief Class used to dispatch packets
+ */
+class PacketDispatcher : private NonCopyable {
+  private:
+	std::map<PacketType, std::vector<PacketHandler*>> m_Handlers;
+
+  public:
+	/**
+	 * \brief Constructor
+	 */
+	PacketDispatcher() {}
+
+	/**
+	 * \brief Dispatch a packet
+	 * \param packet The packet to dispatch
+	 */
+	void Dispatch(const Packet& packet);
+
+	/**
+	 * \brief Register a packet handler
+	 * \param type The packet type
+	 * \param handler The packet handler
+	 */
+	void RegisterHandler(PacketType type, PacketHandler& handler);
+	/**
+	 * \brief Unregister a packet handler
+	 * \param type The packet type
+	 * \param handler The packet handler
+	 */
+	void UnregisterHandler(PacketType type, PacketHandler& handler);
+	/**
+	 * \brief Unregister a packet handler
+	 * \param handler The packet handler
+	 */
+	void UnregisterHandler(PacketHandler& handler);
+};
+
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketFactory.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <blitz/protocol/Packets.h>
+#include <memory>
+
+namespace blitz {
+namespace protocol {
+namespace PacketFactory {
+
+template<typename PacketDerived, typename = typename std::enable_if<std::is_base_of<Packet, PacketDerived>::value>::type>
+std::unique_ptr<PacketDerived> CreatePacket() {
+    return std::make_unique<PacketDerived>();
+}
+
+const std::unique_ptr<Packet>& CreateReadOnlyPacket(PacketType a_Type);
+
+void Init();
+
+}  // namespace PacketFactory
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketHandler.h

@@ -0,0 +1,34 @@
+#pragma once
+
+/**
+ * \file PacketHandler.h
+ * \brief File containing the blitz::protocol::PacketHandler class
+ */
+
+#include <blitz/protocol/Packets.h>
+#include <blitz/protocol/PacketVisitor.h>
+
+namespace blitz {
+namespace protocol {
+
+class PacketDispatcher;
+
+#define DeclarePacket(PacketName, ...) virtual void Visit(const packets::PacketName&); virtual void HandlePacket(const packets::PacketName&) {}
+
+/**
+ * \class PacketHandler
+ * \brief Class used to handle packets
+ */
+class PacketHandler : public PacketVisitor {
+  public:
+	PacketHandler() {}
+	~PacketHandler() {}
+
+	DeclareAllPacket()
+
+};
+
+#undef DeclarePacket
+
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketSerializer.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <blitz/protocol/Packets.h>
+#include <godot_cpp/variant/packed_byte_array.hpp>
+#include <memory>
+
+namespace blitz {
+namespace protocol {
+
+using PacketPtr = std::unique_ptr<Packet>;
+
+namespace PacketSerializer {
+
+godot::PackedByteArray Serialize(const Packet& a_Packet);
+
+std::unique_ptr<Packet> Deserialize(godot::PackedByteArray& a_Data);
+
+}
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/PacketVisitor.h

@@ -0,0 +1,39 @@
+#pragma once
+
+/**
+ * \file PacketVisitor.h
+ * \brief File containing the blitz::protocol::PacketVisitor class
+ */
+
+#include <blitz/protocol/Packets.h>
+
+namespace blitz {
+namespace protocol {
+
+#define DeclarePacket(PacketName, ...)                                                                                                \
+	/** This function is called when the packet processed by PacketVisitor::Check is a PacketName */                                                                                                                            \
+	virtual void Visit(const packets::PacketName&) {}
+
+/**
+ * \class PacketVisitor
+ * \brief This class uses double-dispatch in order to find the real type of a packet
+ */
+class PacketVisitor : private NonCopyable {
+  protected:
+	PacketVisitor() {}
+	virtual ~PacketVisitor() {}
+
+  public:
+	/**
+	 * \brief Calls the right PacketVisitor::Visit method corresponding to the real type of the packet
+	 * \param packet the Packet to visit
+	 */
+	void Check(const Packet& packet);
+
+	DeclareAllPacket()
+};
+
+#undef DeclarePacket
+
+}  // namespace protocol
+}  // namespace blitz

include/blitz/protocol/Packets.h

@@ -0,0 +1,112 @@
+#pragma once
+
+/**
+ * \file Packets.h
+ * \brief File containing the definitions of the packets
+ */
+
+#include <blitz/common/NonCopyable.h>
+#include <blitz/protocol/PacketData.h>
+#include <blitz/protocol/PacketDeclare.h>
+
+namespace blitz {
+namespace protocol {
+
+class PacketVisitor;
+
+/** A Packet id is 8 bits wide */
+using PacketID = std::uint8_t;
+
+#define DeclarePacket(PacketName, ...) /** PacketName */ PacketName,
+
+/**
+ * \enum PacketType
+ * \brief Map a Packet to an id
+ */
+enum class PacketType : PacketID {
+
+	DeclareAllPacket()
+
+	/** The number of packets */
+	PACKET_COUNT
+};
+
+
+#undef DeclarePacket
+
+
+class Packet : private NonCopyable {
+  public:
+	/**
+	 * \return The real type of the packet
+	 */
+	virtual PacketType GetType() const = 0;
+
+	/**
+	 * \brief The network peer who sent the packet
+	 */
+	PeerID m_Sender;
+
+  private:
+	/** Use a PacketVisitor to make double-dispatch possible */
+	virtual void Accept(PacketVisitor& a_Visitor) const = 0;
+
+	friend class PacketVisitor;
+};
+
+
+
+
+
+namespace packets {
+
+/**
+ * \class ConcretePacket
+ * \brief A Packet associated with an id and holding data
+ * \tparam PT The packet type
+ * \tparam Data The structure holding the data of the packet (in blitz::protocol::data namespace)
+ */
+template <PacketType PT, typename Data>
+class ConcretePacket : public Packet {
+  public:
+	/** The type of the struct holding the data */
+	using PacketDataType = Data;
+
+	/** The structure holding the actual data */
+	PacketDataType m_Data;
+
+	/** Construct the packet with data of type PacketDataType */
+	ConcretePacket(const PacketDataType& a_Data = {});
+
+	constexpr PacketType GetType() const override {
+		return PT;
+	};
+
+  private:
+	void Accept(PacketVisitor& a_Visitor) const override;
+};
+
+
+
+
+
+// define BLITZ_INSTANCIATE_PACKETS
+// before including this file
+// if you want to instantiate templates
+#ifdef BLITZ_INSTANCIATE_PACKETS
+#define DeclarePacket(PacketName, ...)                                                                                                \
+	using PacketName = ConcretePacket<PacketType::PacketName, data::PacketName>;                                                      \
+	template class ConcretePacket<PacketType::PacketName, data::PacketName>;
+#else
+#define DeclarePacket(PacketName, ...) /** Defines the PacketName packet */                                                           \
+	using PacketName = ConcretePacket<PacketType::PacketName, data::PacketName>;
+#endif
+
+DeclareAllPacket()
+
+#undef DeclarePacket
+
+}  // namespace packets
+
+}  // namespace protocol
+}  // namespace blitz

src/Bullet.cpp

@@ -1,45 +0,0 @@
-#include "Bullet.h"
-
-using namespace godot;
-
-namespace blitz {
-
-static constexpr float BULLET_SPEED = 40.0f;
-
-void Bullet::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("_on_timer_timeout"), &Bullet::_on_timer_timeout);
-}
-
-Bullet::Bullet() {}
-
-Bullet::~Bullet() {}
-
-void Bullet::_ready() {
-	m_Particles = Object::cast_to<GPUParticles3D>(find_child("GPUParticles3D"));
-	DEV_ASSERT(m_Particles);
-	m_Ray = Object::cast_to<RayCast3D>(find_child("RayCast3D"));
-	DEV_ASSERT(m_Ray);
-	m_Mesh = Object::cast_to<MeshInstance3D>(find_child("MeshInstance3D"));
-	DEV_ASSERT(m_Mesh);
-	m_Timer = memnew(godot::Timer);
-	add_child(m_Timer);
-	m_Timer->connect("timeout", callable_mp(this, &Bullet::_on_timer_timeout));
-}
-
-void Bullet::_physics_process(float a_Delta) {
-	Vector3 movement = Vector3(0, 0, -BULLET_SPEED) * a_Delta;
-	set_position(get_transform().xform(movement));
-
-	if (m_Ray->is_colliding()) {
-		m_Mesh->set_visible(false);
-		m_Particles->set_emitting(true);
-		m_Timer->set_wait_time(1.0);
-		m_Timer->start();
-	}
-}
-
-void Bullet::_on_timer_timeout() {
-	queue_free();
-}
-
-}  // namespace blitz

src/Bullet.h

@@ -1,31 +0,0 @@
-#pragma once
-
-#include <godot_cpp/classes/gpu_particles3d.hpp>
-#include <godot_cpp/classes/mesh_instance3d.hpp>
-#include <godot_cpp/classes/node3d.hpp>
-#include <godot_cpp/classes/ray_cast3d.hpp>
-#include <godot_cpp/classes/timer.hpp>
-
-namespace blitz {
-class Bullet : public godot::Node3D {
-	GDCLASS(Bullet, godot::Node3D)
-  protected:
-	static void _bind_methods();
-
-  public:
-	Bullet();
-	~Bullet();
-
-	void _ready();
-	void _physics_process(float delta);
-
-  private:
-	godot::GPUParticles3D* m_Particles;
-	godot::RayCast3D* m_Ray;
-	godot::MeshInstance3D* m_Mesh;
-	godot::Timer* m_Timer;
-
-	void _on_timer_timeout();
-};
-
-}  // namespace blitz

src/FirstPersonPlayer.cpp

@@ -1,11 +1,12 @@
 #include "FirstPersonPlayer.h"
 
+#include <godot_cpp/classes/camera3d.hpp>
 #include <godot_cpp/classes/engine.hpp>
 #include <godot_cpp/classes/input.hpp>
 #include <godot_cpp/classes/input_event_mouse_motion.hpp>
 #include <godot_cpp/classes/input_map.hpp>
-#include <godot_cpp/classes/resource_loader.hpp>
 #include <godot_cpp/core/math.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
 
 using namespace godot;
 
@@ -33,6 +34,8 @@ static constexpr float FOV_TRANSITION = 8.0f;
 static constexpr float MIN_FOV_VELOCITY = 0.5;
 static constexpr float MAX_FOV_VELOCITY = SPRINT_SPEED * 2.0f;
 
+static const float LerpValue = 0.10;
+static const float AnimationBlend = 7.0;
 
 void FirstPersonPlayer::_bind_methods() {}
 
@@ -46,17 +49,9 @@ void FirstPersonPlayer::_ready() {
 		Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
 	}
 	m_Head = Object::cast_to<Node3D>(find_child("Head"));
-	DEV_ASSERT(m_Head);
 	m_Camera = Object::cast_to<Camera3D>(m_Head->find_child("Camera"));
-	DEV_ASSERT(m_Camera);
-	m_WeaponAnimation = Object::cast_to<AnimationPlayer>(find_child("AnimationPlayer"));
-	DEV_ASSERT(m_WeaponAnimation);
-	m_GunBarrel = Object::cast_to<RayCast3D>(find_child("RayCast3D"));
-	DEV_ASSERT(m_GunBarrel);
-	m_BulletScene = ResourceLoader::get_singleton()->load("res://Scenes/Weapons/bullet.tscn");
-	if (!m_BulletScene.is_valid()) {
-		ERR_PRINT("Failed to load bullet scene.");
-	}
+	m_AnimationTree = Object::cast_to<AnimationTree>(find_child("AnimationTree"));
+	m_Mesh = Object::cast_to<Node3D>(find_child("Mesh"));
 }
 
 void FirstPersonPlayer::_unhandled_input(const godot::Ref<godot::InputEvent>& a_Event) {
@@ -94,15 +89,7 @@ void FirstPersonPlayer::_physics_process(float a_Delta) {
 	UpdateFOV(a_Delta);
 	UpdateBobbing(a_Delta);
 
-	if (Input->is_action_pressed("shoot")) {
-		if (!m_WeaponAnimation->is_playing()) {
-			m_WeaponAnimation->play("Shoot");
-			m_BulletInstance = m_BulletScene->instantiate();
-			m_BulletInstance->set("position", m_GunBarrel->get_global_transform().origin);
-			m_BulletInstance->set("rotation", m_GunBarrel->get_global_transform().basis.get_euler());
-			get_parent()->add_child(m_BulletInstance);
-		}
-	}
+	UpdateAnimation(a_Delta);
 
 	move_and_slide();
 }
@@ -118,10 +105,11 @@ void FirstPersonPlayer::UpdateBobbing(float a_Delta) {
 
 void FirstPersonPlayer::UpdateCamera(const InputEventMouseMotion& a_Event) {
 	m_Head->rotate_y(-a_Event.get_relative().x * SENSITIVITY);
+	m_Mesh->rotate_y(-a_Event.get_relative().x * SENSITIVITY);
 	m_Camera->rotate_x(-a_Event.get_relative().y * SENSITIVITY);
 
 	float rotationX = m_Camera->get_rotation().x;
-	CLAMP(rotationX, Math::deg_to_rad(-40.0), Math::deg_to_rad(60.0));
+	rotationX = CLAMP(rotationX, Math::deg_to_rad(-80.0), Math::deg_to_rad(80.0));
 	m_Camera->set_rotation({rotationX, get_rotation().y, get_rotation().z});
 }
 
@@ -148,6 +136,14 @@ void FirstPersonPlayer::UpdatePosition(float delta) {
 			Math::lerp(static_cast<float>(get_velocity().z), static_cast<float>(direction.z * m_Speed),
 				static_cast<float>(delta * AIR_MOVEMENT))});
 	}
+
+
+	if (!direction.is_zero_approx()) {
+		godot::Vector3 newRotation = m_Mesh->get_rotation();
+		newRotation.y = godot::UtilityFunctions::lerp_angle(
+			newRotation.y, godot::UtilityFunctions::atan2(get_velocity().x, get_velocity().z), LerpValue);
+		m_Mesh->set_rotation(newRotation);
+	}
 }
 
 void FirstPersonPlayer::UpdateFOV(float a_Delta) {
@@ -156,4 +152,25 @@ void FirstPersonPlayer::UpdateFOV(float a_Delta) {
 	m_Camera->set_fov(Math::lerp(m_Camera->get_fov(), targetFOV, a_Delta * FOV_TRANSITION));
 }
 
+void FirstPersonPlayer::UpdateAnimation(float delta) {
+	if (is_on_floor()) {
+		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "grounded");
+
+		if (get_velocity().length() > 0.2f) {
+			if (m_Speed == SPRINT_SPEED) {
+				m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+					UtilityFunctions::lerp(m_AnimationTree->get("parameters/iwr_blend/blend_amount"), 1.0, delta * AnimationBlend));
+			} else {
+				m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+					UtilityFunctions::lerp(m_AnimationTree->get("parameters/iwr_blend/blend_amount"), 0.0, delta * AnimationBlend));
+			}
+		} else {
+			m_AnimationTree->set("parameters/iwr_blend/blend_amount",
+				UtilityFunctions::lerp(m_AnimationTree->get("parameters/iwr_blend/blend_amount"), -1.0, delta * AnimationBlend));
+		}
+	} else {
+		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "air");
+	}
+}
+
 }  // namespace blitz

src/FirstPersonPlayer.h

@@ -1,17 +1,11 @@
 #pragma once
 
-#include <godot_cpp/classes/animation_player.hpp>
-#include <godot_cpp/classes/camera3d.hpp>
-#include <godot_cpp/classes/character_body3d.hpp>
+#include "Player.h"
 #include <godot_cpp/classes/input_event_mouse_motion.hpp>
-#include <godot_cpp/classes/node3d.hpp>
-#include <godot_cpp/classes/packed_scene.hpp>
-#include <godot_cpp/classes/ray_cast3d.hpp>
-#include <godot_cpp/classes/ref.hpp>
 
 namespace blitz {
 
-class FirstPersonPlayer : public godot::CharacterBody3D {
+class FirstPersonPlayer : public Player {
 	GDCLASS(FirstPersonPlayer, godot::CharacterBody3D)
   protected:
 	static void _bind_methods();
@@ -23,15 +17,11 @@ class FirstPersonPlayer : public godot::CharacterBody3D {
 	// Godot overrides
 	void _unhandled_input(const godot::Ref<godot::InputEvent>&);
 	void _physics_process(float delta);
-	void _ready();
+	void _ready() override;
 
   private:
 	godot::Camera3D* m_Camera;
 	godot::Node3D* m_Head;
-	godot::AnimationPlayer* m_WeaponAnimation;
-	godot::RayCast3D* m_GunBarrel;
-	godot::Node* m_BulletInstance;
-	godot::Ref<godot::PackedScene> m_BulletScene;
 	float m_BobTime;
 	float m_Speed;
 
@@ -39,6 +29,8 @@ class FirstPersonPlayer : public godot::CharacterBody3D {
 	void UpdateFOV(float delta);
 	void UpdateCamera(const godot::InputEventMouseMotion&);
 	void UpdatePosition(float delta);
+
+	void UpdateAnimation(float delta);
 };
 
 }  // namespace blitz

src/Lobby.cpp

@@ -0,0 +1,99 @@
+#include "Lobby.h"
+
+#include <godot_cpp/classes/e_net_multiplayer_peer.hpp>
+#include <godot_cpp/classes/multiplayer_api.hpp>
+#include <godot_cpp/classes/packed_scene.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
+#include <godot_cpp/variant/dictionary.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+using namespace godot;
+
+static const char ServerScenePath[] = "res://Scenes/Network/server.tscn";
+
+namespace blitz {
+
+void Lobby::_bind_methods() {
+	godot::ClassDB::bind_method(godot::D_METHOD("create_game", "port", "dedicated"), &Lobby::CreateGame);
+	godot::ClassDB::bind_method(godot::D_METHOD("join_game", "address", "port"), &Lobby::JoinGame);
+	ADD_SIGNAL(MethodInfo("player_connected", PropertyInfo(Variant::INT, "peer_id")));
+	ADD_SIGNAL(MethodInfo("player_disconnected", PropertyInfo(Variant::INT, "peer_id")));
+	ADD_SIGNAL(MethodInfo("server_disconnected"));
+	ADD_SIGNAL(MethodInfo("local_player_connected"));
+}
+
+Lobby::Lobby() {}
+
+Lobby::~Lobby() {}
+
+void Lobby::_ready() {
+	get_multiplayer()->connect("peer_connected", callable_mp(this, &Lobby::OnPlayerConnected));
+	get_multiplayer()->connect("peer_disconnected", callable_mp(this, &Lobby::OnPlayerDisconnected));
+	get_multiplayer()->connect("connected_to_server", callable_mp(this, &Lobby::OnConnectOk));
+	get_multiplayer()->connect("connection_failed", callable_mp(this, &Lobby::OnConnectFail));
+	get_multiplayer()->connect("server_disconnected", callable_mp(this, &Lobby::OnServerDisconnected));
+}
+
+Error Lobby::JoinGame(const String& a_Address, uint16_t a_Port) {
+	auto* peer = memnew(ENetMultiplayerPeer);
+	Error error = peer->create_client(a_Address, a_Port);
+	if (error)
+		return error;
+
+	get_multiplayer()->set_multiplayer_peer(peer);
+	return Error::OK;
+}
+
+Error Lobby::CreateGame(uint16_t a_Port, bool a_Dedicated) {
+	auto* peer = memnew(ENetMultiplayerPeer);
+	Error error = peer->create_server(a_Port);
+	if (error)
+		return error;
+
+	get_multiplayer()->set_multiplayer_peer(peer);
+
+	Ref<PackedScene> serverScene = ResourceLoader::get_singleton()->load(ServerScenePath);
+	add_child(serverScene->instantiate());
+
+	if (!a_Dedicated) {
+		emit_signal("local_player_connected");
+		emit_signal("player_connected", get_multiplayer()->get_unique_id());
+	}
+
+	return Error::OK;
+}
+
+void Lobby::Shutdown() {
+	get_multiplayer()->set_multiplayer_peer(nullptr);
+	if (auto* server = find_child("Server")) {
+		remove_child(server);
+	}
+}
+
+void Lobby::OnPlayerConnected(PeerID a_PeerId) {
+	if (get_multiplayer()->is_server()) {
+		emit_signal("player_connected", a_PeerId);
+	}
+}
+
+void Lobby::OnPlayerDisconnected(PeerID a_PeerId) {
+	if (get_multiplayer()->is_server()) {
+		emit_signal("player_disconnected", a_PeerId);
+	}
+}
+
+void Lobby::OnConnectOk() {
+	int32_t peerId = get_multiplayer()->get_unique_id();
+	emit_signal("local_player_connected");
+}
+
+void Lobby::OnConnectFail() {
+	Shutdown();
+}
+
+void Lobby::OnServerDisconnected() {
+	Shutdown();
+	emit_signal("server_disconnected");
+}
+
+}  // namespace blitz

src/Lobby.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <godot_cpp/classes/node.hpp>
+#include "NetworkInterface.h"
+
+namespace blitz {
+
+class Lobby : public godot::Node {
+	GDCLASS(Lobby, godot::Node)
+  protected:
+	static void _bind_methods();
+
+  public:
+	Lobby();
+	~Lobby();
+
+	void _ready() override;
+
+	godot::Error JoinGame(const godot::String& a_Address, uint16_t a_Port);
+	godot::Error CreateGame(uint16_t a_Port, bool a_Dedicated = false);
+
+	void Shutdown();
+
+  private:
+	void OnPlayerConnected(PeerID a_PeerId);
+	void OnPlayerDisconnected(PeerID a_PeerId);
+	void OnConnectOk();
+	void OnConnectFail();
+	void OnServerDisconnected();
+};
+
+}  // namespace blitz

src/Main.cpp

@@ -0,0 +1,33 @@
+#include "Main.h"
+
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/packed_scene.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
+#include <godot_cpp/classes/scene_tree.hpp>
+#include <godot_cpp/classes/window.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+#include "Lobby.h"
+#include "World.h"
+
+using namespace godot;
+
+namespace blitz {
+
+static constexpr char MainScenePath[] = "res://Scenes/Levels/world.tscn";
+
+void Main::_bind_methods() {
+	godot::ClassDB::bind_method(godot::D_METHOD("change_scene"), &Main::ChangeScene);
+}
+
+Main::Main() {}
+
+Main::~Main() {}
+
+void Main::ChangeScene() {
+	Ref<PackedScene> sceneData = ResourceLoader::get_singleton()->load(MainScenePath);
+	World* world = Object::cast_to<World>(sceneData->instantiate());
+	add_child(world);
+}
+
+}  // namespace blitz

src/Main.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <godot_cpp/classes/node.hpp>
+
+namespace blitz {
+
+class Main : public godot::Node {
+	GDCLASS(Main, godot::Node)
+  protected:
+	static void _bind_methods();
+
+  public:
+	Main();
+	~Main();
+
+	void ChangeScene();
+};
+
+}  // namespace blitz

src/MainMenu.cpp

@@ -0,0 +1,55 @@
+#include "MainMenu.h"
+
+#include <godot_cpp/classes/resource_loader.hpp>
+#include <godot_cpp/classes/scene_tree.hpp>
+
+using namespace godot;
+
+namespace blitz {
+
+void MainMenu::_bind_methods() {
+	godot::ClassDB::bind_method(godot::D_METHOD("on_connected"), &MainMenu::OnConnected);
+	ADD_SIGNAL(MethodInfo("create_game", PropertyInfo(Variant::INT, "port"), PropertyInfo(Variant::BOOL, "dedicated")));
+	ADD_SIGNAL(MethodInfo("join_game", PropertyInfo(Variant::STRING, "address"), PropertyInfo(Variant::INT, "port")));
+	ADD_SIGNAL(MethodInfo("change_scene"));
+}
+
+MainMenu::MainMenu() {}
+
+MainMenu::~MainMenu() {}
+
+void MainMenu::_ready() {
+	Node* container = find_child("Container");
+	DEV_ASSERT(container);
+
+	m_JoinButton = Object::cast_to<Button>(container->find_child("JoinButton"));
+	m_CreateButton = Object::cast_to<Button>(container->find_child("CreateButton"));
+	m_QuitButton = Object::cast_to<Button>(container->find_child("QuitButton"));
+
+	DEV_ASSERT(m_JoinButton);
+	DEV_ASSERT(m_CreateButton);
+	DEV_ASSERT(m_QuitButton);
+
+	m_JoinButton->connect("pressed", callable_mp(this, &MainMenu::OnJoinPressed));
+	m_CreateButton->connect("pressed", callable_mp(this, &MainMenu::OnCreatePressed));
+	m_QuitButton->connect("pressed", callable_mp(this, &MainMenu::OnQuitPressed));
+}
+
+void MainMenu::OnConnected() {
+	emit_signal("change_scene");
+	set_visible(false);
+}
+
+void MainMenu::OnJoinPressed() {
+	emit_signal("join_game", "localhost", 25565);
+}
+
+void MainMenu::OnCreatePressed() {
+	emit_signal("create_game", 25565, false);
+}
+
+void MainMenu::OnQuitPressed() {
+	get_tree()->quit();
+}
+
+}  // namespace blitz

src/MainMenu.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <godot_cpp/classes/button.hpp>
+#include <godot_cpp/classes/control.hpp>
+
+namespace blitz {
+
+class MainMenu : public godot::Control {
+	GDCLASS(MainMenu, godot::Control)
+  protected:
+	static void _bind_methods();
+
+  public:
+	MainMenu();
+	~MainMenu();
+
+	// Godot overrides
+	void _ready() override;
+
+  private:
+	godot::Button* m_JoinButton;
+	godot::Button* m_CreateButton;
+	godot::Button* m_QuitButton;
+
+	void OnConnected();
+
+	void OnJoinPressed();
+	void OnCreatePressed();
+	void OnQuitPressed();
+};
+
+}  // namespace blitz

src/NetworkInterface.cpp

@@ -0,0 +1,50 @@
+#include "NetworkInterface.h"
+
+#include <blitz/protocol/PacketFactory.h>
+#include <blitz/protocol/PacketSerializer.h>
+#include <godot_cpp/classes/multiplayer_api.hpp>
+#include <godot_cpp/classes/multiplayer_peer.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+namespace blitz {
+
+using namespace godot;
+
+void NetworkInterface::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("RecievePacketDataReliable", "a_PacketData"), &NetworkInterface::RecievePacketDataReliable);
+	protocol::PacketFactory::Init();
+}
+
+NetworkInterface::NetworkInterface() {}
+
+NetworkInterface::~NetworkInterface() {}
+
+void NetworkInterface::_ready() {
+	// TODO: unreliable
+	Dictionary config;
+	config["rpc_mode"] = MultiplayerAPI::RPC_MODE_ANY_PEER;
+	config["transfer_mode"] = MultiplayerPeer::TRANSFER_MODE_RELIABLE;
+	config["call_local"] = true;
+	config["channel"] = 0;
+	rpc_config("RecievePacketDataReliable", config);
+}
+
+void NetworkInterface::BroadcastPacket(const protocol::Packet& a_Packet) {
+	PackedByteArray byteArray = protocol::PacketSerializer::Serialize(a_Packet);
+	rpc("RecievePacketDataReliable", byteArray);
+}
+
+void NetworkInterface::SendPacket(PeerID a_Peer, const protocol::Packet& a_Packet) {
+	PackedByteArray byteArray = protocol::PacketSerializer::Serialize(a_Packet);
+	rpc_id(a_Peer, "RecievePacketDataReliable", byteArray);
+}
+
+void NetworkInterface::RecievePacketDataReliable(godot::PackedByteArray a_PacketData) {
+	auto packet = protocol::PacketSerializer::Deserialize(a_PacketData);
+	if (packet) {
+		packet->m_Sender = get_multiplayer()->get_remote_sender_id();
+		Dispatch(*packet);
+	}
+}
+
+}  // namespace blitz

src/NetworkInterface.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <blitz/protocol/Packets.h>
+#include <godot_cpp/classes/node.hpp>
+#include <blitz/protocol/PacketDispatcher.h>
+
+namespace blitz {
+class NetworkInterface : public godot::Node, public protocol::PacketDispatcher {
+	GDCLASS(NetworkInterface, godot::Node)
+  protected:
+	static void _bind_methods();
+
+  public:
+	NetworkInterface();
+	~NetworkInterface();
+
+	void BroadcastPacket(const protocol::Packet& a_Packet);
+	void SendPacket(PeerID a_Peer, const protocol::Packet& a_Packet);
+
+	void _ready() override;
+  
+  private:
+	void RecievePacketDataReliable(godot::PackedByteArray a_PacketData);
+};
+
+}  // namespace blitz

src/Player.cpp

@@ -16,18 +16,19 @@ static const float AnimationBlend = 7.0;
 
 namespace blitz {
 
+using namespace godot;
+
 void Player::_bind_methods() {}
 
 Player::Player() {}
+
 Player::~Player() {}
 
 void Player::_ready() {
 	godot::InputMap::get_singleton()->load_from_project_settings();
-	m_PlayerMesh = Object::cast_to<godot::Node3D>(get_child(0));
-	m_SpringArmPivot = Object::cast_to<godot::Node3D>(get_child(2));
-	m_AnimationTree = Object::cast_to<godot::AnimationTree>(get_child(4));
-	DEV_ASSERT(m_PlayerMesh);
-	DEV_ASSERT(m_SpringArmPivot);
+	m_Mesh = Object::cast_to<godot::Node3D>(find_child("Mesh"));
+	m_AnimationTree = Object::cast_to<godot::AnimationTree>(find_child("AnimationTree"));
+	DEV_ASSERT(m_Mesh);
 	DEV_ASSERT(m_AnimationTree);
 
 	apply_floor_snap();
@@ -38,50 +39,6 @@ void Player::_physics_process(float delta) {
 	if (godot::Engine::get_singleton()->is_editor_hint())
 		return;
 
-
-	auto* Input = godot::Input::get_singleton();
-	godot::Vector3 move_direction{0, 0, 0};
-	move_direction.x = Input->get_action_strength("move_right") - Input->get_action_strength("move_left");
-	move_direction.z = Input->get_action_strength("move_backwards") - Input->get_action_strength("move_forwards");
-	move_direction = move_direction.rotated({0, 1, 0}, m_SpringArmPivot->get_rotation().y);
-
-	godot::Vector3 newVelocity = get_velocity();
-	newVelocity.y -= Gravity * delta;
-	set_velocity(newVelocity);
-
-
-
-	if (Input->is_action_pressed("run"))
-		m_Speed = RunSpeed;
-	else
-		m_Speed = WalkSpeed;
-
-	newVelocity = get_velocity();
-	newVelocity.x = move_direction.x * m_Speed;
-	newVelocity.z = move_direction.z * m_Speed;
-	set_velocity(newVelocity);
-
-	if (move_direction != godot::Vector3{0, 0, 0}) {
-		godot::Vector3 newRotation = m_PlayerMesh->get_rotation();
-		newRotation.y = godot::UtilityFunctions::lerp_angle(
-			newRotation.y, godot::UtilityFunctions::atan2(get_velocity().x, get_velocity().z), LerpValue);
-		m_PlayerMesh->set_rotation(newRotation);
-	}
-
-	bool justLanded = is_on_floor() && m_SnapVector == godot::Vector3{0, 0, 0};
-	bool isJumping = is_on_floor() && Input->is_action_just_pressed("jump");
-
-	if (isJumping) {
-		newVelocity = get_velocity();
-		newVelocity.y = JumpStrength;
-		set_velocity(newVelocity);
-		m_SnapVector.zero();
-	} else if (justLanded) {
-		m_SnapVector = {0, -1, 0};
-	}
-
-	apply_floor_snap();
-	move_and_slide();
 	animate(delta);
 }
 
@@ -108,4 +65,13 @@ void Player::animate(float delta) {
 		m_AnimationTree->set("parameters/ground_air_transition/transition_request", "air");
 	}
 }
+
+Vector3 Player::GetCameraRotation() const {
+	return m_Mesh->get_rotation();
+}
+
+void Player::SetCameraRotation(const Vector3& a_Rotation) {
+	m_Mesh->set_rotation(a_Rotation);
+}
+
 }  // namespace blitz

src/Player.h

@@ -3,8 +3,12 @@
 #include <godot_cpp/classes/animation_tree.hpp>
 #include <godot_cpp/classes/character_body3d.hpp>
 #include <godot_cpp/classes/node3d.hpp>
+#include <blitz/common/Types.h>
 
 namespace blitz {
+
+class World;
+
 class Player : public godot::CharacterBody3D {
 
 	GDCLASS(Player, godot::CharacterBody3D);
@@ -20,18 +24,21 @@ class Player : public godot::CharacterBody3D {
 	void _physics_process(float delta);
 	void animate(float delta);
 
-  private:
-	godot::Node3D* m_PlayerMesh;
-	godot::Node3D* m_SpringArmPivot;
+	godot::Vector3 GetCameraRotation() const;
+	void SetCameraRotation(const godot::Vector3& a_Rotation);
+
+	PlayerID GetId() const {
+		return m_PeerId;
+	}
+
+  protected:
+	godot::Node3D* m_Mesh;
 	godot::AnimationTree* m_AnimationTree;
 
 	godot::Vector3 m_SnapVector;
 	float m_Speed;
-	/*
-	@onready var player_mesh : Node3D = $Mesh
-@onready var spring_arm_pivot : Node3D = $SpringArmPivot
-@onready var animator : AnimationTree = $AnimationTree
+	PeerID m_PeerId;
 
-	*/
+	friend class World;
 };
 }  // namespace blitz

src/PlayerInfo.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <godot_cpp/variant/string.hpp>
+
+namespace blitz {
+
+struct PlayerInfo {
+	godot::String m_Name;
+};
+
+}  // namespace blitz

src/Server.cpp

@@ -0,0 +1,45 @@
+#include "Server.h"
+
+#include "Lobby.h"
+#include "NetworkInterface.h"
+#include <godot_cpp/classes/engine.hpp>
+
+using namespace godot;
+
+namespace blitz {
+
+void Server::_bind_methods() {}
+
+Server::Server() {}
+
+Server::~Server() {}
+
+void Server::_ready() {
+	if (Engine::get_singleton()->is_editor_hint())
+		return;
+
+
+	m_Lobby = Object::cast_to<Lobby>(get_parent());
+	DEV_ASSERT(m_Lobby);
+	m_NetworkInterface = Object::cast_to<NetworkInterface>(m_Lobby->find_child("NetworkInterface"));
+	DEV_ASSERT(m_NetworkInterface);
+
+	m_Lobby->connect("player_connected", callable_mp(this, &Server::OnPlayerConnect));
+	m_Lobby->connect("player_disconnected", callable_mp(this, &Server::OnPlayerDisconnect));
+}
+
+void Server::OnPlayerConnect(PeerID a_PeerId) {
+	protocol::PlayerInfo playerInfo{a_PeerId, "whoami"};
+	for (int i = 0; i < m_Peers.size(); i++) {
+		m_NetworkInterface->SendPacket(a_PeerId, protocol::packets::PlayerJoin({m_Peers[i], "whoami"}));
+	}
+	m_Peers.push_back(a_PeerId);
+	m_NetworkInterface->BroadcastPacket(protocol::packets::PlayerJoin({playerInfo}));
+}
+
+void Server::OnPlayerDisconnect(PeerID a_PeerId) {
+	m_Peers.erase(a_PeerId);
+	m_NetworkInterface->BroadcastPacket(protocol::packets::PlayerLeave({a_PeerId}));
+}
+
+}  // namespace blitz

src/Server.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <godot_cpp/classes/node.hpp>
+#include <blitz/common/Types.h>
+
+namespace blitz {
+
+class Lobby;
+class NetworkInterface;
+
+class Server : public godot::Node {
+	GDCLASS(Server, godot::Node)
+  protected:
+	static void _bind_methods();
+
+  public:
+	Server();
+	~Server();
+
+	void _ready() override;
+
+    void OnPlayerConnect(PeerID a_PeerId);
+    void OnPlayerDisconnect(PeerID a_PeerId);
+
+  private:
+    Lobby* m_Lobby;
+    NetworkInterface* m_NetworkInterface;
+
+    godot::TypedArray<PeerID> m_Peers;
+};
+
+}  // namespace blitz

src/World.cpp

@@ -0,0 +1,142 @@
+#include "World.h"
+
+#include "FirstPersonPlayer.h"
+#include "NetworkInterface.h"
+#include "Player.h"
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/multiplayer_api.hpp>
+#include <godot_cpp/classes/packed_scene.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+
+using namespace godot;
+
+namespace blitz {
+
+static const char FirstPersonPlayerScenePath[] = "res://Scenes/Characters/first_person_player.tscn";
+static const char PlayerScenePath[] = "res://Scenes/Characters/player.tscn";
+
+void World::_bind_methods() {}
+
+void World::_ready() {
+	if (Engine::get_singleton()->is_editor_hint())
+		return;
+
+	m_Players = find_child("Players");
+	DEV_ASSERT(m_Players);
+
+	auto* lobby = get_parent()->find_child("Lobby");
+	DEV_ASSERT(lobby);
+
+	m_NetworkInterface = Object::cast_to<NetworkInterface>(lobby->find_child("NetworkInterface"));
+	DEV_ASSERT(m_NetworkInterface);
+
+	m_NetworkInterface->RegisterHandler(protocol::PacketType::PlayerJoin, *this);
+	m_NetworkInterface->RegisterHandler(protocol::PacketType::PlayerLeave, *this);
+	m_NetworkInterface->RegisterHandler(protocol::PacketType::PlayerPositionAndRotation, *this);
+}
+
+
+World::World() {}
+
+World::~World() {
+	if (Engine::get_singleton()->is_editor_hint())
+		return;
+
+	m_NetworkInterface->UnregisterHandler(*this);
+}
+
+void World::_process(float delta) {
+#if DEBUG_ENABLED
+	if (Engine::get_singleton()->is_editor_hint())
+		return;
+#endif
+	m_PassedTime += delta;
+	if (m_PassedTime < 0.05f)
+		return;
+
+	// UtilityFunctions::print(m_PassedTime);
+
+	// m_PassedTime -= 0.05f;
+	// if (m_PassedTime > 0.5f)
+	// 	m_PassedTime = 0.0f;
+
+	if (get_multiplayer()->is_server()) {
+		for (int i = 0; i < m_Players->get_child_count(); i++) {
+			Player* player = Object::cast_to<Player>(m_Players->get_child(i));
+			DEV_ASSERT(player);
+			m_NetworkInterface->BroadcastPacket(
+				protocol::packets::PlayerPositionAndRotation({player->GetId(), player->get_position(), player->GetCameraRotation()}));
+		}
+	} else {
+		Player* player = GetPlayerById(get_multiplayer()->get_unique_id());
+		if (player) {
+			m_NetworkInterface->BroadcastPacket(protocol::packets::PlayerPositionAndRotation(
+				{get_multiplayer()->get_unique_id(), player->get_position(), player->GetCameraRotation()}));
+		}
+	}
+}
+
+Player* World::GetPlayerById(PlayerID a_PlayerId) {
+	String stringId = UtilityFunctions::var_to_str(a_PlayerId);
+	for (int i = 0; i < m_Players->get_child_count(); i++) {
+		Node* player = m_Players->get_child(i);
+		if (player->get_name() == stringId) {
+			return Object::cast_to<Player>(player);
+		}
+	}
+	return nullptr;
+}
+
+void World::HandlePacket(const protocol::packets::PlayerJoin& a_PlayerJoin) {
+	const protocol::PlayerInfo& playerInfo = a_PlayerJoin.m_Data.m_Player;
+	AddPlayer(playerInfo.m_PlayerId, playerInfo.m_PlayerName);
+}
+
+void World::HandlePacket(const protocol::packets::PlayerLeave& a_PlayerLeave) {
+	RemovePlayer(a_PlayerLeave.m_Data.m_PlayerId);
+}
+
+void World::HandlePacket(const protocol::packets::PlayerPositionAndRotation& a_PlayerPos) {
+	const auto& data = a_PlayerPos.m_Data;
+	if (data.m_Player == get_multiplayer()->get_unique_id() || data.m_Player != a_PlayerPos.m_Sender)
+		return;
+
+	SetPlayerPositionAndRotation(data.m_Player, data.m_Position, data.m_Rotation);
+}
+
+void World::AddPlayer(PlayerID a_PlayerId, String a_PlayerName) {
+	UtilityFunctions::print("New Player with id : ", a_PlayerId, " and name ", a_PlayerName);
+	if (a_PlayerId == get_multiplayer()->get_unique_id()) {
+		Ref<PackedScene> serverScene = ResourceLoader::get_singleton()->load(FirstPersonPlayerScenePath);
+		FirstPersonPlayer* player = Object::cast_to<FirstPersonPlayer>(serverScene->instantiate());
+		player->set_name(UtilityFunctions::var_to_str(a_PlayerId));
+		player->m_PeerId = a_PlayerId;
+		m_Players->add_child(player);
+	} else {
+		Ref<PackedScene> serverScene = ResourceLoader::get_singleton()->load(PlayerScenePath);
+		Player* player = Object::cast_to<Player>(serverScene->instantiate());
+		player->set_name(UtilityFunctions::var_to_str(a_PlayerId));
+		player->m_PeerId = a_PlayerId;
+		m_Players->add_child(player);
+	}
+}
+
+void World::RemovePlayer(PlayerID a_PlayerId) {
+	UtilityFunctions::print("Removing Player with id : ", a_PlayerId);
+	Player* player = GetPlayerById(a_PlayerId);
+	if (player) {
+		player->queue_free();
+	}
+}
+
+void World::SetPlayerPositionAndRotation(PlayerID a_PlayerId, const Vector3& a_Position, const Vector3& a_Rotation) {
+	Player* player = GetPlayerById(a_PlayerId);
+	if (player) {
+		player->set_position(a_Position);
+		player->SetCameraRotation(a_Rotation);
+	}
+}
+
+}  // namespace blitz

src/World.h

@@ -0,0 +1,41 @@
+#pragma once
+
+#include <godot_cpp/classes/node3d.hpp>
+
+#include <blitz/protocol/PacketHandler.h>
+
+namespace blitz {
+
+class Player;
+class NetworkInterface;
+
+class World : public godot::Node3D, public protocol::PacketHandler {
+	GDCLASS(World, godot::Node3D)
+  protected:
+	static void _bind_methods();
+
+  public:
+	World();
+	~World();
+
+	// Godot overrides
+	void _ready() override;
+	void _process(float delta);
+
+	Player* GetPlayerById(PlayerID a_PlayerId);
+
+	void HandlePacket(const protocol::packets::PlayerJoin&) override;
+	void HandlePacket(const protocol::packets::PlayerLeave&) override;
+	void HandlePacket(const protocol::packets::PlayerPositionAndRotation&) override;
+
+  private:
+	NetworkInterface* m_NetworkInterface;
+	godot::Node* m_Players;
+	float m_PassedTime;
+
+
+	void AddPlayer(PlayerID a_PlayerId, godot::String a_PlayerName);
+	void RemovePlayer(PlayerID a_PlayerId);
+	void SetPlayerPositionAndRotation(PlayerID a_PlayerId, const godot::Vector3& a_Position, const godot::Vector3& a_Rotation);
+};
+}  // namespace blitz

src/Zombie.cpp

@@ -1,60 +0,0 @@
-#include "Zombie.h"
-
-#include <godot_cpp/classes/engine.hpp>
-#include <godot_cpp/variant/utility_functions.hpp>
-
-using namespace godot;
-
-namespace blitz {
-
-static constexpr float SPEED = 2.0f;
-
-
-void Zombie::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("set_m_PlayerPath", "m_PlayerPath"), &Zombie::set_m_PlayerPath);
-	ClassDB::bind_method(D_METHOD("get_m_PlayerPath"), &Zombie::get_m_PlayerPath);
-
-	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "m_PlayerPath"), "set_m_PlayerPath", "get_m_PlayerPath");
-}
-
-Zombie::Zombie() {}
-
-Zombie::~Zombie() {}
-
-void Zombie::_ready() {
-#if DEBUG_ENABLED
-	if (Engine::get_singleton()->is_editor_hint()) {
-		return;
-	}
-#endif
-
-	m_Player = Object::cast_to<FirstPersonPlayer>(get_parent()->get_parent()->find_child("FirstPersonPlayer"));
-	DEV_ASSERT(m_Player);
-	m_NavigationAgent = Object::cast_to<NavigationAgent3D>(find_child("NavigationAgent3D"));
-	DEV_ASSERT(m_NavigationAgent);
-	m_Velocity = Vector3(0, 0, 0);
-}
-
-void Zombie::_process(float a_Delta) {
-#if DEBUG_ENABLED
-	if (Engine::get_singleton()->is_editor_hint()) {
-		return;
-	}
-#endif
-    this->set_velocity(m_Velocity);
-	m_NavigationAgent->set_target_position(m_Player->get_global_position());
-	Vector3 next_nav_point = m_NavigationAgent->get_next_path_position();
-	m_Velocity = (next_nav_point - get_global_position()).normalized() * SPEED;
-    this->set_velocity(m_Velocity);
-    look_at(Vector3(m_Player->get_global_position().x, get_global_position().y, m_Player->get_global_position().z), Vector3(0, 1, 0));
-	move_and_slide();
-}
-
-void Zombie::set_m_PlayerPath(const NodePath& path) {
-	m_PlayerPath = path;
-}
-
-NodePath Zombie::get_m_PlayerPath() const {
-	return m_PlayerPath;
-}
-}  // namespace blitz

src/Zombie.h

@@ -1,33 +0,0 @@
-#pragma once
-
-#include <godot_cpp/classes/character_body3d.hpp>
-#include <godot_cpp/classes/navigation_agent3d.hpp>
-#include <godot_cpp/variant/node_path.hpp>
-#include "FirstPersonPlayer.h"
-
-
-namespace blitz {
-class Zombie : public godot::CharacterBody3D {
-	GDCLASS(Zombie, godot::CharacterBody3D)
-  protected:
-	static void _bind_methods();
-
-  public:
-	Zombie();
-	~Zombie();
-
-	void _ready();
-	void _process(float delta);
-
-  private:
-	godot::NavigationAgent3D* m_NavigationAgent;
-	FirstPersonPlayer* m_Player;
-	godot::NodePath m_PlayerPath;
-	godot::Vector3 m_Velocity;
-
-	void set_m_PlayerPath(const godot::NodePath& path);
-
-	godot::NodePath get_m_PlayerPath() const;
-};
-
-}  // namespace blitz

src/blitz/protocol/ByteBuffer.cpp

@@ -0,0 +1,49 @@
+#include <blitz/protocol/ByteBuffer.h>
+
+#include <blitz/protocol/PacketData.h>
+
+namespace blitz {
+namespace protocol {
+
+ByteBuffer& ByteBuffer::operator>>(PlayerInfo& a_Data) {
+	*this >> a_Data.m_PlayerId >> a_Data.m_PlayerName;
+	return *this;
+}
+
+ByteBuffer& ByteBuffer::operator<<(const PlayerInfo& a_Data) {
+	*this << a_Data.m_PlayerId << a_Data.m_PlayerName;
+	return *this;
+}
+
+ByteBuffer& ByteBuffer::operator<<(const godot::Vector3& a_Data) {
+	*this << a_Data.x << a_Data.y << a_Data.z;
+	return *this;
+}
+
+ByteBuffer& ByteBuffer::operator>>(godot::Vector3& a_Data) {
+	*this >> a_Data.x >> a_Data.y >> a_Data.z;
+	return *this;
+}
+
+ByteBuffer& ByteBuffer::operator>>(godot::String& a_Data) {
+	int nullPos = m_Buffer.find(0, m_ReadOffset);
+	// TODO: error handling
+	if (nullPos < 0)
+		return *this;
+
+	godot::PackedByteArray stringBuffer = m_Buffer.slice(m_ReadOffset, nullPos);
+	a_Data = stringBuffer.get_string_from_utf8();
+	m_ReadOffset = nullPos + 1;
+	return *this;
+}
+
+ByteBuffer& ByteBuffer::operator<<(const godot::String& a_Data) {
+	godot::PackedByteArray stringBuffer = a_Data.to_utf8_buffer();
+	m_Buffer.append_array(stringBuffer);
+	// ends the string
+	*this << static_cast<std::uint8_t>(0);
+	return *this;
+}
+
+}  // namespace protocol
+}  // namespace blitz

src/blitz/protocol/PacketDispatcher.cpp

@@ -0,0 +1,37 @@
+#include <blitz/protocol/PacketDispatcher.h>
+
+#include <algorithm>
+#include <blitz/protocol/PacketHandler.h>
+
+namespace blitz {
+namespace protocol {
+
+void PacketDispatcher::RegisterHandler(PacketType type, PacketHandler& handler) {
+	auto found = std::find(m_Handlers[type].begin(), m_Handlers[type].end(), &handler);
+	if (found == m_Handlers[type].end())
+		m_Handlers[type].push_back(&handler);
+}
+
+void PacketDispatcher::UnregisterHandler(PacketType type, PacketHandler& handler) {
+	m_Handlers[type].erase(std::remove(m_Handlers[type].begin(), m_Handlers[type].end(), &handler), m_Handlers[type].end());
+}
+
+void PacketDispatcher::UnregisterHandler(PacketHandler& handler) {
+	for (auto& pair : m_Handlers) {
+		if (pair.second.empty())
+			continue;
+
+		PacketType type = pair.first;
+
+		m_Handlers[type].erase(std::remove(m_Handlers[type].begin(), m_Handlers[type].end(), &handler), m_Handlers[type].end());
+	}
+}
+
+void PacketDispatcher::Dispatch(const Packet& packet) {
+	PacketType type = packet.GetType();
+	for (PacketHandler* handler : m_Handlers[type])
+		handler->Check(packet);
+}
+
+}  // namespace protocol
+}  // namespace blitz

src/blitz/protocol/PacketFactory.cpp

@@ -0,0 +1,32 @@
+#include <blitz/protocol/PacketFactory.h>
+
+#include <array>
+#include <cassert>
+#include <functional>
+
+namespace blitz {
+namespace protocol {
+namespace PacketFactory {
+
+using PacketCreator = std::function<std::unique_ptr<Packet>()>;
+
+#define DeclarePacket(PacketName, ...) std::make_unique<packets::PacketName>(),
+
+static std::array<std::unique_ptr<Packet>, static_cast<std::size_t>(PacketType::PACKET_COUNT)> Packets;
+
+void Init() {
+	Packets = {
+
+		DeclareAllPacket()
+
+	};
+}
+
+const std::unique_ptr<Packet>& CreateReadOnlyPacket(PacketType a_Type) {
+	assert(a_Type < PacketType::PACKET_COUNT);
+	return Packets[static_cast<std::size_t>(a_Type)];
+}
+
+}  // namespace PacketFactory
+}  // namespace protocol
+}  // namespace blitz

src/blitz/protocol/PacketHandler.cpp

@@ -0,0 +1,14 @@
+#include <blitz/protocol/PacketHandler.h>
+
+namespace blitz {
+namespace protocol {
+
+#define DeclarePacket(PacketName, ...)                                                                                                \
+	void PacketHandler::Visit(const packets::PacketName& a_Packet) {                                                                  \
+		HandlePacket(a_Packet);                                                                                                       \
+	}
+
+DeclareAllPacket()
+
+}  // namespace protocol
+}  // namespace blitz

src/blitz/protocol/PacketSerializer.cpp

@@ -0,0 +1,294 @@
+#include <blitz/protocol/PacketSerializer.h>
+
+#include <blitz/protocol/ByteBuffer.h>
+#include <blitz/protocol/PacketFactory.h>
+#include <blitz/protocol/PacketVisitor.h>
+
+#include <godot_cpp/variant/utility_functions.hpp>
+#include <godot_cpp/variant/variant.hpp>
+
+namespace blitz {
+namespace protocol {
+namespace PacketSerializer {
+
+#define DeclarePacket(PacketName, ...)                                                                                                \
+	void Visit(const packets::PacketName& a_Packet) override {                                                                        \
+		const auto& packetData = a_Packet.m_Data;                                                                                     \
+		SerializePacketData(packetData);                                                                                              \
+	}                                                                                                                                 \
+                                                                                                                                      \
+	void SerializePacketData(const packets::PacketName::PacketDataType& a_Packet);
+
+
+
+
+class Serializer : public PacketVisitor {
+  private:
+	ByteBuffer& m_Buffer;
+
+  public:
+	Serializer(ByteBuffer& a_Buffer) : m_Buffer(a_Buffer) {}
+
+	void Serialize(const Packet& a_Packet) {
+		m_Buffer << static_cast<PacketID>(a_Packet.GetType());
+		Check(a_Packet);
+	}
+
+	DeclareAllPacket()
+};
+
+#undef DeclarePacket
+
+
+
+
+
+#define DeclarePacket(PacketName, ...)                                                                                                \
+	void Visit(const packets::PacketName& a_Packet) override {                                                                        \
+		auto packetPtr = PacketFactory::CreatePacket<packets::PacketName>();                                                          \
+		auto& packetData = packetPtr->m_Data;                                                                                         \
+                                                                                                                                      \
+		DeserializePacketData(packetData);                                                                                            \
+                                                                                                                                      \
+		m_Packet = std::move(packetPtr);                                                                                              \
+	}                                                                                                                                 \
+                                                                                                                                      \
+	void DeserializePacketData(packets::PacketName::PacketDataType& a_Packet);
+
+
+
+class Deserializer : public PacketVisitor {
+  private:
+	ByteBuffer& m_Buffer;
+	PacketPtr m_Packet;
+
+  public:
+	Deserializer(ByteBuffer&& a_Buffer) : m_Buffer(a_Buffer) {}
+
+	bool Deserialize(const PacketPtr& a_Packet) {
+		try {
+			Check(*a_Packet.get());
+		} catch (std::exception& e) {
+			return false;
+		}
+		return true;
+	}
+
+	PacketPtr& GetPacket() {
+		return m_Packet;
+	}
+
+	DeclareAllPacket()
+};
+
+
+
+
+
+godot::PackedByteArray Serialize(const Packet& a_Packet) {
+	ByteBuffer stream;
+
+	Serializer serializer(stream);
+	serializer.Serialize(a_Packet);
+
+	return stream.GetByteArray();
+}
+
+std::unique_ptr<Packet> Deserialize(godot::PackedByteArray& a_Data) {
+	ByteBuffer stream(std::move(a_Data));
+
+	PacketID packetId;
+	stream >> packetId;
+
+	if (packetId >= static_cast<PacketID>(PacketType::PACKET_COUNT))
+		return nullptr;
+
+	PacketType packetType = PacketType(packetId);
+
+	// for double-dispatch
+	const PacketPtr& emptyPacket = PacketFactory::CreateReadOnlyPacket(packetType);
+
+	Deserializer deserializer(std::move(stream));
+	if (deserializer.Deserialize(emptyPacket)) {
+		PacketPtr packet = std::move(deserializer.GetPacket());
+		return packet;
+	}
+
+	return nullptr;
+}
+
+
+
+
+
+//---------------------------------------------
+// Packet serializer implementation
+//----------------------------------------------
+
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerLogin& a_Packet) {
+	m_Buffer << a_Packet.m_PlayerName;
+}
+
+void Deserializer::DeserializePacketData(data::PlayerLogin& a_Packet) {
+	m_Buffer >> a_Packet.m_PlayerName;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::UpdateHealth& a_Packet) {
+	m_Buffer << a_Packet.m_NewHealth;
+}
+
+void Deserializer::DeserializePacketData(data::UpdateHealth& a_Packet) {
+	m_Buffer >> a_Packet.m_NewHealth;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::LoggingSuccess& a_Packet) {
+	m_Buffer << a_Packet.m_PlayerId;
+}
+
+void Deserializer::DeserializePacketData(data::LoggingSuccess& a_Packet) {
+	m_Buffer >> a_Packet.m_PlayerId;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerDeath& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::PlayerDeath& a_Packet) {}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerJoin& a_Packet) {
+	m_Buffer << a_Packet.m_Player;
+}
+
+void Deserializer::DeserializePacketData(data::PlayerJoin& a_Packet) {
+	m_Buffer >> a_Packet.m_Player;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerLeave& a_Packet) {
+	m_Buffer << a_Packet.m_PlayerId;
+}
+
+void Deserializer::DeserializePacketData(data::PlayerLeave& a_Packet) {
+	m_Buffer >> a_Packet.m_PlayerId;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerList& a_Packet) {
+	m_Buffer << a_Packet.m_Players;
+	// m_Buffer << static_cast<std::uint8_t>(a_Packet.m_Players.size());
+	// for (auto player : a_Packet.m_Players) {
+	// 	m_Buffer << player.m_PlayerId << player.m_PlayerName;
+	// }
+}
+
+void Deserializer::DeserializePacketData(data::PlayerList& a_Packet) {
+	m_Buffer >> a_Packet.m_Players;
+	// std::uint8_t playerCount;
+	// m_Buffer >> playerCount;
+	// for (std::uint8_t i = 0; i < playerCount; i++) {
+	// 	PlayerInfo player;
+	// 	m_Buffer >> player.m_PlayerId >> player.m_PlayerName;
+	// 	a_Packet.m_Players.push_back(player);
+	// }
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerStats& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::PlayerStats& a_Packet) {}
+
+
+
+
+void Serializer::SerializePacketData(const data::ServerConfig& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::ServerConfig& a_Packet) {}
+
+
+
+
+void Serializer::SerializePacketData(const data::ServerTps& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::ServerTps& a_Packet) {}
+
+
+
+
+void Serializer::SerializePacketData(const data::UpdateGameState& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::UpdateGameState& a_Packet) {}
+
+
+
+
+void Serializer::SerializePacketData(const data::KeepAlive& a_Packet) {
+	m_Buffer << a_Packet.m_KeepAliveId;
+}
+
+void Deserializer::DeserializePacketData(data::KeepAlive& a_Packet) {
+	m_Buffer >> a_Packet.m_KeepAliveId;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::Disconnect& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::Disconnect& a_Packet) {}
+
+
+
+
+void Serializer::SerializePacketData(const data::ChatMessage& a_Packet) {
+	m_Buffer << a_Packet.m_Text;
+}
+
+void Deserializer::DeserializePacketData(data::ChatMessage& a_Packet) {
+	m_Buffer >> a_Packet.m_Text;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerPositionAndRotation& a_Packet) {
+	m_Buffer << a_Packet.m_Player << a_Packet.m_Position << a_Packet.m_Rotation;
+}
+
+void Deserializer::DeserializePacketData(data::PlayerPositionAndRotation& a_Packet) {
+	m_Buffer >> a_Packet.m_Player >> a_Packet.m_Position >> a_Packet.m_Rotation;
+}
+
+
+
+
+void Serializer::SerializePacketData(const data::PlayerShoot& a_Packet) {}
+
+void Deserializer::DeserializePacketData(data::PlayerShoot& a_Packet) {}
+
+
+
+
+
+}  // namespace PacketSerializer
+}  // namespace protocol
+}  // namespace blitz

src/blitz/protocol/PacketVisitor.cpp

@@ -0,0 +1,11 @@
+#include <blitz/protocol/PacketVisitor.h>
+
+namespace blitz {
+namespace protocol {
+
+void PacketVisitor::Check(const Packet& a_Packet) {
+	a_Packet.Accept(*this);
+}
+
+}  // namespace protocol
+}  // namespace blitz

src/blitz/protocol/Packets.cpp

@@ -0,0 +1,18 @@
+#define BLITZ_INSTANCIATE_PACKETS
+#include <blitz/protocol/Packets.h>
+
+#include <blitz/protocol/PacketVisitor.h>
+
+namespace blitz {
+namespace protocol {
+
+template <PacketType PT, typename Data>
+packets::ConcretePacket<PT, Data>::ConcretePacket(const PacketDataType& a_Data) : m_Data(a_Data) {}
+
+template <PacketType PT, typename Data>
+void packets::ConcretePacket<PT, Data>::Accept(PacketVisitor& a_Visitor) const {
+	a_Visitor.Visit(*this);
+}
+
+}  // namespace protocol
+}  // namespace blitz

src/register_types.cpp

@@ -1,10 +1,14 @@
 #include "register_types.h"
 
-#include "Bullet.h"
 #include "FirstPersonPlayer.h"
+#include "Lobby.h"
+#include "Main.h"
+#include "MainMenu.h"
+#include "NetworkInterface.h"
 #include "Player.h"
+#include "Server.h"
 #include "SpringArmPivot.h"
-#include "Zombie.h"
+#include "World.h"
 
 #include <gdextension_interface.h>
 #include <godot_cpp/core/defs.hpp>
@@ -12,16 +16,24 @@
 
 using namespace godot;
 
+static void RegisterClasses() {
+	GDREGISTER_CLASS(blitz::Player);
+	GDREGISTER_CLASS(blitz::SpringArmPivot);
+	GDREGISTER_CLASS(blitz::FirstPersonPlayer);
+	GDREGISTER_CLASS(blitz::MainMenu);
+	GDREGISTER_CLASS(blitz::Lobby);
+	GDREGISTER_CLASS(blitz::World);
+	GDREGISTER_CLASS(blitz::Main);
+	GDREGISTER_CLASS(blitz::NetworkInterface);
+	GDREGISTER_CLASS(blitz::Server);
+}
+
 void initialize_example_module(ModuleInitializationLevel p_level) {
 	if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
 		return;
 	}
 
-	ClassDB::register_class<blitz::Player>();
-	ClassDB::register_class<blitz::SpringArmPivot>();
-	ClassDB::register_class<blitz::FirstPersonPlayer>();
-	ClassDB::register_class<blitz::Bullet>();
-	ClassDB::register_class<blitz::Zombie>();
+	RegisterClasses();
 }
 
 void uninitialize_example_module(ModuleInitializationLevel p_level) {

xmake/godot.lua

@@ -16,7 +16,7 @@ add_rules("mode.debug", "mode.release")
 set_languages("c++20")
 
 -- use latest 4.x version by default
-add_requires("godotcpp4")
+add_requires("godotcpp4 4.2")
 
 
 includes("tasks.lua")

xmake/target.lua

@@ -14,6 +14,8 @@ target(PROJECT_NAME)
     -- more on https://xmake.io/#/manual/project_target?id=targetadd_files
     add_files("../src/**.cpp")
 
+    add_includedirs("../include")
+
     -- change the output name
     set_basename(PROJECT_NAME .. ".$(os)_$(mode)_$(arch)")