private void DragNodes(List <int> nodes)
{
if (Application.isPlaying || nodes.Count <= 0)
{
return;
}
Vector2 step = GetDragStep();
// 只有单节点时才允许连带子节点移动
BTNode tempNode = null;
if (nodes.Count == 1 && Event.current.shift)
{
tempNode = BTEditorManager.GetNodeByID(nodes[0]);
DragWithChildren(tempNode, step);
}
else
{
// 只移动选中的节点
foreach (var nodeID in nodes)
{
tempNode = BTEditorManager.GetNodeByID(nodeID);
if (tempNode == null)
{
continue;
}
tempNode.editorPosition += step;
}
}
mMouseStartPos += step;
}
void DrawConnectionLine()
{
if (mSelectedNodes.Count < 0)
{
return;
}
BTNode contextNode = BTEditorManager.GetNodeByID(mSelectedNodes[0]);
if (contextNode == null)
{
return;
}
Vector3 startPos = Vector3.zero;
Vector3 startTan = Vector3.zero;
Vector2 mousePos = Event.current.mousePosition;
Vector3 endPos = new Vector3(mousePos.x, mousePos.y, 0);
Vector3 endTan = Vector3.zero;
if (mCurMode == Mode.ConnectParent)
{
startPos = new Vector3(contextNode.editorPosition.x + (NodeRenderer.Width / 2), contextNode.editorPosition.y, 0);
startTan = startPos + Vector3.down * GridRenderer.step.x * 2;
endTan = endPos + Vector3.up * GridRenderer.step.x * 2;
}
else if (mCurMode == Mode.ConnectChild)
{
startPos = new Vector3(contextNode.editorPosition.x + (NodeRenderer.Width / 2), contextNode.editorPosition.y + NodeRenderer.Height, 0);
startTan = startPos + Vector3.up * GridRenderer.step.x * 2;
endTan = endPos + Vector3.down * GridRenderer.step.x * 2;
}
Handles.DrawBezier(startPos, endPos, startTan, endTan, Color.white, null, 4);
}
public static void Connect(int parentID, int childID)
{
BTNode parent = BTEditorManager.GetNodeByID(parentID);
BTNode child = BTEditorManager.GetNodeByID(childID);
if (parent != null && parent.CanConnectChild && child != null)
{
parent.ConnectChild(child);
// SortChildren(parent);
Dirty();
}
else
{
Debug.LogWarning(string.Format("{0} can't accept child {1}", parent, child));
}
}
private void RefreshSelection()
{
if (mSelectedNodes == null)
{
return;
}
int count = mSelectedNodes.Count;
UnityEngine.Object[] nodeArray = new UnityEngine.Object[count];
for (int i = 0; i < count; ++i)
{
nodeArray[i] = BTEditorManager.GetNodeByID(mSelectedNodes[i]);
}
Selection.objects = nodeArray;
}
public void ShowContextMenu(Vector2 mousePos, Vector2 offset, List <int> nodeList)
{
if (Application.isPlaying)
{
return;
}
var menu = new GenericMenu();
if (nodeList != null && nodeList.Count > 0)
{
if (nodeList.Count == 1)
{
BTNode node = BTEditorManager.GetNodeByID(nodeList[0]);
// 添加
if (node.CanConnectChild)
{
foreach (var kvp in mAddContextDic)
{
menu.AddItem(new GUIContent("Add Child/" + kvp.Key), false, Add,
new MenuAction(nodeList, mousePos, kvp.Value));
}
}
else
{
menu.AddDisabledItem(new GUIContent("Add"));
}
// Connect/Disconnect Parent
menu.AddSeparator("");
if (!(node is BaseRoot) && !(node is Root))
{
if (node.parent != null)
{
menu.AddItem(new GUIContent("Disconnect from Parent"), false, Unparent, new MenuAction(nodeList));
}
else
{
menu.AddItem(new GUIContent("Connect to Parent"), false, ConnectParent, new MenuAction(nodeList));
}
}
// Connect Child
menu.AddSeparator("");
if (node.CanConnectChild)
{
menu.AddItem(new GUIContent("Connect to Child"), false, ConnectChild, new MenuAction(nodeList));
}
else
{
menu.AddDisabledItem(new GUIContent("Connect to Child"));
}
// Copy
menu.AddSeparator("");
menu.AddItem(new GUIContent("Copy"), false, Copy, new MenuAction(nodeList, mousePos));
// Delete
menu.AddSeparator("");
menu.AddItem(new GUIContent("Delete"), false, Delete, new MenuAction(nodeList));
}
else
{
// Copy
menu.AddSeparator("");
menu.AddItem(new GUIContent("Copy"), false, Copy, new MenuAction(nodeList, mousePos));
// Delete
menu.AddSeparator("");
menu.AddItem(new GUIContent("Delete"), false, Delete, new MenuAction(nodeList));
}
}
// 右键点击画布
else
{
// 添加
foreach (var kvp in mAddContextDic)
{
menu.AddItem(new GUIContent("Add/" + kvp.Key), false, Add,
new MenuAction(nodeList, mousePos, kvp.Value));
}
// 粘贴
menu.AddSeparator("");
if (BTEditorManager.CopyFromNodes.Count > 0)
{
menu.AddItem(new GUIContent("Paste"), false, Paste,
new MenuAction(null, mousePos));
}
else
{
menu.AddDisabledItem(new GUIContent("Paste"));
}
// 保存
menu.AddSeparator("");
menu.AddItem(new GUIContent("Save"), false, Save, null);
}
menu.DropDown(new Rect(mousePos + offset, Vector2.zero));
}
