Make crosshair always show where tools will hit. (#69)

* Make crosshair always show where tools will hit.
Move them away from being a Razor component, instead use Hud.DrawCircle.
Use a trace if we're in 3rd person, in the same manner as tools do - accuracy, yay!

Author: ninjrdevelop

Code/Components/Player/Player.cs

@@ -57,6 +57,15 @@ protected override void OnUpdate()
 				SboxToolAuto();
 			}
 		}
+
+		// Crosshair
+		Vector3 trace = Vector3.Zero;
+		if ( Controller.ThirdPerson ) trace = Player.DoBasicTrace().HitPosition;
+
+		if ( !Controller.ThirdPerson || trace == Vector3.Zero) trace = AimRay.Position + AimRay.Forward * 5000;
+
+		Vector2 loc = Scene.Camera.PointToScreenPixels( trace );
+		Scene.Camera.Hud.DrawCircle( new Vector2( loc.x, loc.y ), new Vector2( 5, 5 ), Color.White );
 	}
 
 	/// <summary>

Code/UI/Hud/Components/Crosshair.razor

@@ -10,7 +10,6 @@
 	<Scoreboard T="ScoreboardEntry" />
 	<Health />
 	<CurrentTool />
-	<Crosshair />
 	<InventoryBar />
 </root>