示例#1
0
        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);
            }
        }