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

110 lines
3.2 KiB
C#

using System;
using UnityEngine;
namespace Cryville.Common.Unity.Input {
public delegate void InputEventDelegate(InputIdentifier id, InputVector vec);
public abstract class InputHandler : IDisposable {
InputEventDelegate m_onInput;
public event InputEventDelegate OnInput {
add {
if (m_onInput == null) Activate();
m_onInput -= value;
m_onInput += value;
}
remove {
if (m_onInput == null) return;
m_onInput -= value;
if (m_onInput == null) Deactivate();
}
}
~InputHandler() {
Dispose(false);
}
public void Dispose() {
Dispose(true);
GC.SuppressFinalize(this);
}
protected abstract void Activate();
protected abstract void Deactivate();
public abstract void Dispose(bool disposing);
public abstract bool IsNullable(int type);
public abstract byte GetDimension(int type);
public abstract string GetTypeName(int type);
public abstract double GetCurrentTimestamp();
protected void Feed(int type, int id, InputVector vec) {
var del = m_onInput;
if (del != null) del(new InputIdentifier { Source = new InputSource { Handler = this, Type = type }, Id = id }, vec);
}
}
public struct InputSource : IEquatable<InputSource> {
public InputHandler Handler { get; set; }
public int Type { get; set; }
public override bool Equals(object obj) {
if (obj == null || !(obj is InputSource)) return false;
return Equals((InputSource)obj);
}
public bool Equals(InputSource other) {
return Handler == other.Handler && Type == other.Type;
}
public override int GetHashCode() {
return Handler.GetHashCode() ^ Type;
}
public override string ToString() {
return string.Format("{0}:{1}", ReflectionHelper.GetSimpleName(Handler.GetType()), Handler.GetTypeName(Type));
}
public static bool operator ==(InputSource lhs, InputSource rhs) {
return lhs.Equals(rhs);
}
public static bool operator !=(InputSource lhs, InputSource rhs) {
return !lhs.Equals(rhs);
}
}
public struct InputIdentifier : IEquatable<InputIdentifier> {
public InputSource Source { get; set; }
public int Id { get; set; }
public override bool Equals(object obj) {
if (obj == null || !(obj is InputIdentifier)) return false;
return Equals((InputIdentifier)obj);
}
public bool Equals(InputIdentifier other) {
return Source == other.Source && Id == other.Id;
}
public override int GetHashCode() {
return Source.GetHashCode() ^ ((Id << 16) | (Id >> 16));
}
public override string ToString() {
return string.Format("{0},{1}", Source, Id);
}
public static bool operator ==(InputIdentifier lhs, InputIdentifier rhs) {
return lhs.Equals(rhs);
}
public static bool operator !=(InputIdentifier lhs, InputIdentifier rhs) {
return !lhs.Equals(rhs);
}
}
public struct InputVector {
public double Time { get; set; }
public bool IsNull { get; set; }
public Vector3 Vector { get; set; }
public InputVector(double time) {
Time = time;
IsNull = true;
Vector = default(Vector3);
}
public InputVector(double time, Vector3 vector) {
Time = time;
IsNull = false;
Vector = vector;
}
public override string ToString() {
if (IsNull) return string.Format("null@{0}", Time);
else return string.Format("{0}@{1}", Vector.ToString("G9"), Time);
}
}
}