void OnKeyEvents(CryEngine.InputEvent evt)
{
//这里主要处理连按的逻辑，第一次收到按下通知后立刻发出键盘事件，然后延迟一段时间，如果后续还有down通知，按照一定频率触发键盘事件。
float currTime = Engine.Timer.GetCurrTime();
if (evt.State == InputState.Down)
{
float lastDownTime;
if (_lastKeyDownTime.TryGetValue(evt.KeyId, out lastDownTime))
{
if (currTime - lastDownTime < 0)
{
return;
}
}
_lastKeyDownTime[evt.KeyId] = currTime + 0.05f;
}
else if (evt.State == InputState.Released)
{
_lastKeyDownTime.Remove(evt.KeyId);
return;
}
else if (evt.State == InputState.Pressed)
{
_lastKeyDownTime[evt.KeyId] = currTime + 0.5f;
}
else
{
return;
}
_touchInfo.keyCode = evt.KeyId;
_touchInfo.keyName = null;
_touchInfo.modifiers = evt.InputModifiers;
bool shift = (evt.InputModifiers & InputModifierFlags.Shift) != 0;
//evt.keyName is not reliable, I parse it myself.
if (evt.KeyId >= KeyId.Q && evt.KeyId <= KeyId.P ||
evt.KeyId >= KeyId.A && evt.KeyId <= KeyId.L ||
evt.KeyId >= KeyId.Z && evt.KeyId <= KeyId.M)
{
bool capsLock = (evt.InputModifiers & InputModifierFlags.CapsLock) != 0;
if (shift)
{
capsLock = !capsLock;
}
if (capsLock)
{
_touchInfo.keyName = evt.KeyName.ToUpper();
}
else
{
_touchInfo.keyName = evt.KeyName;
}
}
else
{
if (_charByScanCode3.TryGetValue(evt.KeyId, out _touchInfo.keyName))
{
if ((evt.InputModifiers & InputModifierFlags.NumLock) == 0)
{
_touchInfo.keyName = null;
}
}
else if (shift)
{
if (!_charByScanCode2.TryGetValue(evt.KeyId, out _touchInfo.keyName))
{
_charByScanCode1.TryGetValue(evt.KeyId, out _touchInfo.keyName);
}
}
else
{
_charByScanCode1.TryGetValue(evt.KeyId, out _touchInfo.keyName);
}
}
_touchInfo.UpdateEvent();
DisplayObject f = this.focus;
if (f != null)
{
f.BubbleEvent("onKeyDown", _touchInfo.evt);
}
else
{
this.DispatchEvent("onKeyDown", _touchInfo.evt);
}
}