Lambda Commands

In most cases, you should add commands using the [Command] attribute which can be used on methods, properties, fields and delegates, however there may be cases where you want to generate commands at runtime from a lambda. In this case, the LambdaCommandData type may be used to create a command at runtime from a lambda.

Tip

The MonoTargetType does not need specifying, as the command will hold a reference to the lambda's target, which will support capturing variables just like lambdas normally do.

Once a LambdaCommandData has been created, it can be added to Quantum Console using QuantumConsoleProcessor.TryAddCommand.

The following is an example that creates 10 unique lambda commands, each capturing a different value.

using QFSW.QC;
...

for (int i = 0; i < 10; i++)
{
    int value = i;

    Func<int, int> func = x => x + value;
    LambdaCommandData command = new LambdaCommandData(func, $"lambda-add-{i}");
    QuantumConsoleProcessor.TryAddCommand(command);
}

Binding Non-static Methods

Lambda commands can also be used to bind non-static methods into commands with the invoking instance automatically captured. Lambda commands can be created like this just like when using lambdas.

Tip

Due to limitations in the C# type system, the function must be cast to a strong delegate type like Action or Func first even if the editor states that it is redundant.

Warning

Due to limitations in the C# type system, lambda commands, unlike standard commands, cannot be created directly from generic methods.

using QFSW.QC;
using UnityEngine;

public class LambdaMethodCommandExample : MonoBehaviour
{
    private void Start()
    {
        LambdaCommandData command = new LambdaCommandData((Func<Vector2>)GetPosition, $"get-pos-{name}");
        QuantumConsoleProcessor.TryAddCommand(command);
    }

    private Vector2 GetPosition()
    {
        return transform.position;
    }
}

Adding Suggestor Tags

In order to use the suggestor tags system, the lambda command should be created from either a non-static method or a local method; using either of these over an anomynous lambda will allow you to apply suggestor tags to the parameters as normal.