Added support for the menuselect

This command is more standard, and some players may already have these binds set,
so use them if possible.

Author: AshleighAdams

README.md

@@ -7,7 +7,7 @@ https://www.youtube.com/watch?v=Be7qop6pVpI
 When number keys are bound with the following snippet, automatically detected and the menu will look like it used to in CSS and CS:GO:
 
 ```
-bind 1 "slot1;css_1"
+bind 1 "slot1;css_1" // menuselect 1 is also supported
 bind 2 "slot2;css_2"
 ...
 bind 9 "slot9;css_9"

src/SharpModMenu/SharpModMenu.cs

@@ -338,6 +338,34 @@ private unsafe HookResult ProcessUserCmds(DynamicHook hook)
 		return HookResult.Continue;
 	}
 
+	[ConsoleCommand("menuselect")]
+	public HookResult MenuSelect(CCSPlayerController player, CommandInfo info)
+	{
+		if (player is null || !player.IsValid)
+			return HookResult.Continue;
+		var menuState = DriverInstance?.GetMenuState(player, create: true);
+		if (menuState is null)
+			return HookResult.Continue;
+
+		if (info.ArgCount < 2)
+		{
+			info.ReplyToCommand($"menuselect: Invalid number of arguments provided");
+			return HookResult.Continue;
+		}
+
+		var valStr = info.ArgByIndex(1);
+		if (!int.TryParse(valStr, CultureInfo.InvariantCulture, out var val))
+		{
+			info.ReplyToCommand($"menuselect: Failed to parse argument as int: {valStr}");
+			return HookResult.Continue;
+		}
+
+		var key = (PlayerKey)((int)PlayerKey.SelectItem1 + (val - 1));
+
+		menuState.HandleInput(key, info.CallingContext == CommandCallingContext.Console);
+		return HookResult.Stop;
+	}
+
 	[ConsoleCommand("css_1")]
 	public void Css1(CCSPlayerController player, CommandInfo info)
 	{