scaryposadzka/Assets/SzafaKit/Runtime/Console/CVar.cs

using System;
using System.Globalization;
using SzafaKit.Foundation;
using UnityEngine;

namespace SzafaKit.Console {
    public enum CVarKind {
        Int,
        Float,
        Vector2,
        Vector3,
        Vector4,
        String
    }

    [Serializable]
    public class CVar {
        [field: SerializeField]
        public CVarKind Kind { get; private set; }

        [field: SerializeField]
        public string Name { get; private set; }

        [field: SerializeField]
        public string Description { get; private set; }

        public int IntValue;
        public float FloatValue;
        public Vector2 Vector2Value;
        public Vector3 Vector3Value;
        public Vector4 Vector4Value;
        public string StringValue;

        public event Action OnChanged = delegate { };

        public CVar(string name, string description) {
            Kind = CVarKind.Int;
            Name = name;
            Description = description;
            IntValue = 0;
        }

        public void Set(int value) {
            Kind = CVarKind.Int;
            IntValue = value;
            OnChanged?.Invoke();
        }

        public void Set(float value) {
            Kind = CVarKind.Float;
            FloatValue = value;
            OnChanged?.Invoke();
        }

        public void Set(Vector2 value) {
            Kind = CVarKind.Vector2;
            Vector2Value = value;
            OnChanged?.Invoke();
        }

        public void Set(Vector3 value) {
            Kind = CVarKind.Vector3;
            Vector3Value = value;
            OnChanged?.Invoke();
        }

        public void Set(Vector4 value) {
            Kind = CVarKind.Vector4;
            Vector4Value = value;
            OnChanged?.Invoke();
        }

        public void Set(string value) {
            Kind = CVarKind.String;
            StringValue = value;
            OnChanged?.Invoke();
        }

        public void ParseFromString(string str) {
            if (float.TryParse(str, out float f)) {
                Set(f);
            } else if (int.TryParse(str, out int i)) {
                Set(i);
            } else {
                Set(str);
            }
        }

        public override string ToString() {
            return Kind switch {
                CVarKind.Int => IntValue.ToString(),
                CVarKind.Float => FloatValue.ToString(CultureInfo.InvariantCulture),
                CVarKind.Vector2 => Vector2Value.ToString(),
                CVarKind.Vector3 => Vector3Value.ToString(),
                CVarKind.Vector4 => Vector4Value.ToString(),
                CVarKind.String => $"\"{StringValue}\"",
                _ => throw new ArgumentOutOfRangeException()
            };
        }

        public static CVar Create(string name, string description = "") {
            return SzafaEngine.Shared.GetService<ConsoleService>().CreateCVar(name, description);
        }
    }
}