50 lines
1.6 KiB
C#
50 lines
1.6 KiB
C#
using GameCore.ECS;
|
|
using GameCore.ECS.Interfaces;
|
|
using GameCore.Events;
|
|
using GameCore.Input;
|
|
using GameCore.Player;
|
|
|
|
namespace GameCore.Combat;
|
|
|
|
public class WeaponSwapSystem : ISystem
|
|
{
|
|
public void Update(World world, float deltaTime)
|
|
{
|
|
var entities = world.GetEntitiesWith<InputStateComponent>();
|
|
foreach (var entity in entities)
|
|
{
|
|
var input = world.GetComponent<InputStateComponent>(entity);
|
|
var equipment = world.GetComponent<EquipmentComponent>(entity);
|
|
|
|
if (input == null || equipment == null || equipment.EquippableWeaponItemIds.Count <= 1)
|
|
continue;
|
|
|
|
var direction = SwapDirection.None;
|
|
if (input.IsSwapWeaponNext) direction = SwapDirection.Next;
|
|
if (input.IsSwapWeaponPrevious) direction = SwapDirection.Previous;
|
|
|
|
if (direction != SwapDirection.None)
|
|
{
|
|
var newIndex = equipment.CurrentWeaponIndex + (int)direction;
|
|
var weaponCount = equipment.EquippableWeaponItemIds.Count;
|
|
|
|
if (newIndex >= weaponCount) newIndex = 0;
|
|
if (newIndex < 0) newIndex = weaponCount - 1;
|
|
|
|
if (newIndex != equipment.CurrentWeaponIndex)
|
|
{
|
|
equipment.CurrentWeaponIndex = newIndex;
|
|
var newWeaponId = equipment.EquippableWeaponItemIds[newIndex];
|
|
world.PublishEvent(new EquipWeaponEvent(entity, newWeaponId));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private enum SwapDirection
|
|
{
|
|
None = 0,
|
|
Next = 1,
|
|
Previous = -1
|
|
}
|
|
} |