void HandleInput()
{
Event curEvent = Event.current;
GUILayout.Label("Mouse pos " + curEvent.mousePosition);
if (curEvent != null && curEvent.type != EventType.Repaint)
{
#region 标左键按下
if (curEvent.isMouse && curEvent.button == 0 && curEvent.type == EventType.MouseDown)
{
for (int i = 0; i < CurLogicTree.nodeList.Count; i++)
{
LogicNode node = CurLogicTree.nodeList[i];
if (node.IsUiHit(curEvent.mousePosition))
{
dragFlag = DragFlag.NodeFrame;
curDragControlNode = node;
curSelectedNode = node;
curEvent.Use();
return;
}
if (node.inputRect.Contains(curEvent.mousePosition))
{
//如果是已经有父节点了，就暂时移除父节点对这个节点的连接，如果放开位置还在这个输入区就会重新连上，不在的话就是移除
if (node.parentNode)
{
dragFlag = DragFlag.OutputNode;
curDragControlNode = node.parentNode;
node.parentNode.RemoveLink(node);
}
else //没有选中就等着连接到其他的输出区
{
dragFlag = DragFlag.InputNode;
curDragControlNode = node;
}
curEvent.Use();
return;
}
if (node.outPutRect.Contains(curEvent.mousePosition))
{
dragFlag = DragFlag.OutputNode;
curDragControlNode = node;
curEvent.Use();
return;
}
}
//没有合适的选中，就是node
dragFlag = DragFlag.None;
curDragControlNode = null;
}
#endregion
#region 标左键抬起
if (curEvent.isMouse && curEvent.button == 0 && curEvent.type == EventType.MouseUp)
{
for (int i = 0; i < CurLogicTree.nodeList.Count; i++)
{
LogicNode node = CurLogicTree.nodeList[i];
if (node == curDragControlNode) //不用处理跟按下的时候相同的节点
{
continue;
}
if (dragFlag == DragFlag.InputNode) //按下时候记录的是拖动节点的输入，我们就只关心是不是在其它节点的输出放开
{
if (node.outPutRect.Contains(curEvent.mousePosition))
{
node.AddLink(curDragControlNode);
Repaint();
break;
}
}
else if (dragFlag == DragFlag.OutputNode) //按下的是节点输出，只需要关注是不是输入节点
{
if (node.inputRect.Contains(curEvent.mousePosition))
{
curDragControlNode.AddLink(node);
break;
}
}
}
//没有合适的选中，就是node
dragFlag = DragFlag.None;
curDragControlNode = null;
}
#endregion
#region 标右键拖动
if (curEvent.isMouse && curEvent.button == 1 && curEvent.type == EventType.MouseDrag)
{
for (int i = 0; i < CurLogicTree.nodeList.Count; i++)
{
LogicNode node = CurLogicTree.nodeList[i];
node.Position += curEvent.delta;
}
Repaint();
}
#endregion
#region 标左键拖动
if (curEvent.isMouse && curEvent.button == 0 && curEvent.type == EventType.MouseDrag)
{
if (dragFlag == DragFlag.NodeFrame && curDragControlNode.IsUiHit(curEvent.mousePosition))
{
curDragControlNode.Position += curEvent.delta;
curEvent.Use();
Repaint();
}
}
#endregion
}
}