Files
crtr/Assets/Cryville/Common/Unity/Input/SimpleInputConsumer.cs
2023-03-26 23:25:20 +08:00

50 lines
1.3 KiB
C#

using System;
using System.Collections.Generic;
namespace Cryville.Common.Unity.Input {
public class SimpleInputConsumer {
readonly InputManager _manager;
readonly object _lock = new object();
readonly Dictionary<InputIdentifier, InputVector> _vectors = new Dictionary<InputIdentifier, InputVector>();
readonly List<InputEvent> _events = new List<InputEvent>();
public SimpleInputConsumer(InputManager manager) { _manager = manager; }
public void Activate() {
lock (_lock) {
_events.Clear();
}
_manager.EnumerateHandlers(h => h.OnInput += OnInput);
}
public void Deactivate() {
_manager.EnumerateHandlers(h => h.OnInput -= OnInput);
}
protected void OnInput(InputIdentifier id, InputVector vec) {
lock (_lock) {
InputVector vec0;
if (_vectors.TryGetValue(id, out vec0)) {
_events.Add(new InputEvent {
Id = id,
From = vec0,
To = vec,
});
if (vec.IsNull) _vectors.Remove(id);
else _vectors[id] = vec;
}
else {
_events.Add(new InputEvent {
Id = id,
From = new InputVector(vec.Time),
To = vec,
});
_vectors.Add(id, vec);
}
}
}
public void EnumerateEvents(Action<InputEvent> cb) {
lock (_lock) {
foreach (var ev in _events) cb(ev);
_events.Clear();
}
}
}
}