Set PauseMode, don't Pause conditionally

- By default, process everything when paused
- PlayerContainer.PauseMode is set
  to Stop when the game starts up
- When multiplayer is on, its
  PauseMode is set to Process

scene/EscapeMenu.tscn

@@ -7,7 +7,6 @@
 [ext_resource path="res://src/EscapeMenuAppearance.cs" type="Script" id=5]
 
 [node name="EscapeMenu" type="Control"]
-pause_mode = 2
 anchor_right = 1.0
 anchor_bottom = 1.0
 theme = ExtResource( 1 )

scene/GameScene.tscn

@@ -13,6 +13,7 @@
 [ext_resource path="res://src/Background.cs" type="Script" id=11]
 
 [node name="Game" type="Node"]
+pause_mode = 2
 script = ExtResource( 3 )
 BlockScene = ExtResource( 6 )
 
@@ -38,6 +39,7 @@ __meta__ = {
 }
 
 [node name="Players" type="Node" parent="."]
+pause_mode = 1
 
 [node name="LocalPlayer" parent="Players" instance=ExtResource( 5 )]
 position = Vector2( 0, -2 )
@@ -45,7 +47,6 @@ position = Vector2( 0, -2 )
 [node name="HUD" type="CanvasLayer" parent="."]
 
 [node name="Cursor" type="Node2D" parent="HUD"]
-pause_mode = 2
 z_index = 1
 script = ExtResource( 2 )
 

src/EscapeMenu.cs

@@ -26,7 +26,6 @@ public class EscapeMenu : Control
     public void Open()
     {
         if (Visible) return;
-        if (GetTree().NetworkPeer == null)
         GetTree().Paused = true;
         Return.GrabFocus();
         Visible = true;
@@ -35,7 +34,6 @@ public class EscapeMenu : Control
     public void Close()
     {
         if (!Visible) return;
-        if (GetTree().NetworkPeer == null)
         GetTree().Paused = false;
         Visible = false;
     }

src/EscapeMenuMultiplayer.cs

@@ -61,7 +61,6 @@ public class EscapeMenuMultiplayer : Container
         ClientAddress.Editable = noConnection;
         ClientDisConnect.Text     = (status < NetworkStatus.Connecting) ? "Connect" : "Disconnect";
         ClientDisConnect.Disabled = status == NetworkStatus.ServerRunning;
-        if (Visible) GetTree().Paused = noConnection;
     }
 
 

src/LocalPlayer.cs

@@ -50,10 +50,7 @@ public class LocalPlayer : Player
     }
 
     internal void ResetPositionInternal(Vector2 position)
-    {
-        Position = position;
-        Velocity = Vector2.Zero;
-    }
+        { Position = position; Velocity = Vector2.Zero; }
     [Puppet]
     internal void ResetPosition(Vector2 position)
         => ResetPositionInternal(position);

src/Network.cs

@@ -63,6 +63,17 @@ public class Network : Node
     }
 
 
+    private void ChangeStatus(NetworkStatus status)
+    {
+        if (Status == status) return;
+        Status = status;
+        EmitSignal(nameof(StatusChanged), status);
+
+        PlayerContainer.PauseMode = IsMultiplayerReady
+            ? PauseModeEnum.Process : PauseModeEnum.Stop;
+    }
+
+
     public Error StartServer(ushort port)
     {
         if (GetTree().NetworkPeer != null) throw new InvalidOperationException();
@@ -72,12 +83,10 @@ public class Network : Node
         if (error != Error.Ok) return error;
         GetTree().NetworkPeer = peer;
 
-        Status = NetworkStatus.ServerRunning;
-        EmitSignal(nameof(StatusChanged), Status);
-
         LocalPlayer.Instance.NetworkId = 1;
         _playersById.Add(1, LocalPlayer.Instance);
 
+        ChangeStatus(NetworkStatus.ServerRunning);
         return Error.Ok;
     }
 
@@ -88,10 +97,8 @@ public class Network : Node
         ((NetworkedMultiplayerENet)GetTree().NetworkPeer).CloseConnection();
         GetTree().NetworkPeer = null;
 
-        Status = NetworkStatus.NoConnection;
-        EmitSignal(nameof(StatusChanged), Status);
-
         ClearPlayers();
+        ChangeStatus(NetworkStatus.NoConnection);
     }
 
     public Error ConnectToServer(string address, ushort port)
@@ -103,9 +110,7 @@ public class Network : Node
         if (error != Error.Ok) return error;
         GetTree().NetworkPeer = peer;
 
-        Status = NetworkStatus.Connecting;
-        EmitSignal(nameof(StatusChanged), Status);
-
+        ChangeStatus(NetworkStatus.Connecting);
         return Error.Ok;
     }
 
@@ -116,17 +121,14 @@ public class Network : Node
         ((NetworkedMultiplayerENet)GetTree().NetworkPeer).CloseConnection();
         GetTree().NetworkPeer = null;
 
-        Status = NetworkStatus.NoConnection;
-        EmitSignal(nameof(StatusChanged), Status);
-
+        ChangeStatus(NetworkStatus.NoConnection);
         ClearPlayers();
     }
 
 
     private void OnClientConnected()
     {
-        Status = NetworkStatus.Authenticating;
-        EmitSignal(nameof(StatusChanged), Status);
+        ChangeStatus(NetworkStatus.Authenticating);
 
         var id = GetTree().GetNetworkUniqueId();
         LocalPlayer.Instance.NetworkId = id;
@@ -159,14 +161,12 @@ public class Network : Node
     }
 
     [Puppet]
-    private Player SpawnLocalPlayer(Vector2 position)
+    private void SpawnLocalPlayer(Vector2 position)
     {
-        Status = NetworkStatus.ConnectedToServer;
-        EmitSignal(nameof(StatusChanged), Status);
-
         LocalPlayer.Instance.Position = position;
         LocalPlayer.Instance.Velocity = Vector2.Zero;
-        return LocalPlayer.Instance;
+
+        ChangeStatus(NetworkStatus.ConnectedToServer);
     }
 
     private Player SpawnOtherPlayerInternal(int id, Vector2 position, string displayName, Color color)