Added basic connection functionality

Scenes/RootNode.tscn

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+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://Scripts/RootNode.gd" type="Script" id=1]
+
+[node name="RootNode" type="Node"]
+script = ExtResource( 1 )

Scripts/RootNode.gd

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+extends Node
+
+
+const MAX_PLAYERS : int = 2
+const PORT : int = 9374
+
+var ids = []
+
+func _ready() -> void:
+	var peer : NetworkedMultiplayerENet = NetworkedMultiplayerENet.new()
+	peer.create_server( PORT, MAX_PLAYERS )
+	get_tree().set_network_peer( peer )
+	
+	get_tree().connect("network_peer_connected", self, "_peer_connected")
+	get_tree().connect("network_peer_disconnected", self, "_peer_disconnected")
+
+func _peer_connected(id : int) -> void:
+	if not id:
+		return
+	ids.append(id)
+	print("Player has connected with id " + String(id))
+	# TODO: When we reach max players -> start the game
+
+func _peer_disconnected(id : int) -> void:
+	ids.erase(id)
+	print("Player has disconnected with id " + String(id))
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass

default_env.tres

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+[gd_resource type="Environment" load_steps=2 format=2]
+
+[sub_resource type="ProceduralSky" id=1]
+
+[resource]
+background_mode = 2
+background_sky = SubResource( 1 )

icon.png.import

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+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.png"
+dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+_global_script_classes=[  ]
+_global_script_class_icons={
+
+}
+
+[application]
+
+config/name="Server"
+run/main_scene="res://Scenes/RootNode.tscn"
+config/icon="res://icon.png"
+
+[rendering]
+
+environment/default_environment="res://default_env.tres"