Files
brick-framework/GameCore/Attributes/AttributeComponent.cs

42 lines
1.3 KiB
C#

using GameCore.ECS.Interfaces;
namespace GameCore.Attributes;
/// <summary>
/// A component that stores all gameplay-relevant stats for an entity.
/// This design is adapted directly from the excellent CharacterAttributes class
/// in the 'broberry' project. It's a flexible, data-driven way to manage stats.
/// </summary>
public class AttributeComponent : IComponent
{
public readonly Dictionary<Attribute, float> BaseValues = new();
public readonly Dictionary<Attribute, float> CurrentValues = new();
public event Action<Attribute, float>? OnAttributeChanged;
public void SetBaseValue(Attribute attr, float value)
{
BaseValues[attr] = value;
SetCurrentValue(attr, value);
}
public float GetValue(Attribute attr)
{
return CurrentValues.GetValueOrDefault(attr, 0f);
}
public void ModifyValue(Attribute attr, float delta)
{
var newValue = GetValue(attr) + delta;
SetCurrentValue(attr, newValue);
}
public void SetCurrentValue(Attribute attr, float value, bool force = false)
{
if (CurrentValues.TryGetValue(attr, out var oldValue) && !(System.Math.Abs(oldValue - value) > 0.001f) &&
!force) return;
CurrentValues[attr] = value;
OnAttributeChanged?.Invoke(attr, value);
}
}