private void DrawSelf()
{
string label = string.IsNullOrEmpty(m_node.Name) ? m_node.Title : m_node.Name;
BTGraphNodeStyle nodeStyle = BTEditorStyle.GetNodeStyle(m_node);
Vector2 nodeSize = BTEditorStyle.GetNodeSize(m_node);
Rect position = new Rect(NodePositon + BTEditorCanvas.Current.Position, nodeSize);
BehaviourNodeStatus status = BTEditorCanvas.Current.IsDebuging ? m_node.Status : BehaviourNodeStatus.None;
EditorGUI.LabelField(position, label, nodeStyle.GetStyle(status, m_isSelected));
if (m_node.Breakpoint != Breakpoint.None)
{
Rect imgPosition;
if (m_node is NodeGroup)
{
imgPosition = new Rect(position.x + 2, position.y + 2, 12, 12);
}
else
{
imgPosition = new Rect(position.x - 14, position.y + 2, 12, 12);
}
GUI.DrawTexture(imgPosition, BTEditorStyle.Breakpoint);
}
}
private void OnGUI()
{
if (m_btAsset != null)
{
// 顶部导航
Rect navHistoryRect = new Rect(0.0f, 0.0f, position.width, 20.0f);
// 顶部导航的设置按钮
Rect optionsRect = new Rect(position.width - 20.0f, 0.0f, 20.0f, 20.0f);
// 底部显示路径的位置
Rect footerRect = new Rect(0.0f, position.height - 18.0f, position.width, 20.0f);
// 显示树的画布
Rect canvasRect = new Rect(0.0f, navHistoryRect.yMax, position.width, position.height - (footerRect.height + navHistoryRect.height));
// 元素GUI风格设置
BTEditorStyle.EnsureStyle();
m_grid.DrawGUI(position.size);
m_graph.DrawGUI(canvasRect);
m_canvas.HandleEvents(canvasRect, position.size);
DrawNavigationHistory(navHistoryRect);
DrawFooter(footerRect);
DrawOptions(optionsRect);
if (m_canvas.IsDebuging)
{
OnRepaint();
}
}
}
public override void OnInspectorGUI()
{
LogicObject lo = (LogicObject)target;
if (EditorApplication.isPlaying)
{
if (!lo.ShowAttrs && GUILayout.Button("ShowAttributes"))
{
lo.ShowAttrs = true;
}
if (lo.ShowAttrs && GUILayout.Button("HideAttributes"))
{
lo.ShowAttrs = false;
}
}
serializedObject.Update();
GUI.enabled = !EditorApplication.isPlaying;
GUI.color = Color.white;
serializedObject.ApplyModifiedProperties();
var agent = lo.so.GetComponent <AIAgent>();
if (agent != null)
{
BTAsset btAsset = agent.BehaviourTree as BTAsset;
BehaviourTree btInstance = agent.GetBehaviourTree();
GUI.enabled = btAsset != null;
if (EditorApplication.isPlaying && btInstance != null)
{
if (GUILayout.Button("Preview", GUILayout.Height(24.0f)))
{
BehaviourTreeEditor.OpenDebug(btAsset, btInstance);
}
}
else
{
if (GUILayout.Button("Edit", GUILayout.Height(24.0f)))
{
BehaviourTreeEditor.Open(btAsset);
}
}
}
if (m_inspector != null)
{
BTEditorStyle.EnsureStyle();
m_inspector.DrawGUI();
Repaint();
}
else
{
EditorGUILayout.HelpBox("There are no values to display!", MessageType.Error);
}
GUI.enabled = true;
}
public override void OnInspectorGUI()
{
if (m_inspector != null)
{
BTEditorStyle.EnsureStyle();
m_inspector.DrawGUI();
Repaint();
}
else
{
EditorGUILayout.HelpBox("There are no values to display!", MessageType.Error);
}
}
public BTEditorGraphNode OnInsertChild(int index, Type type)
{
if (type != null)
{
BehaviourNode node = BTUtils.CreateNode(type);
if (node != null)
{
Vector2 nodeSize = BTEditorStyle.GetNodeSize(node);
Vector2 nodePos = NodePositon + nodeSize * 1.5f;
nodePos.x = Mathf.Max(nodePos.x, 0.0f);
nodePos.y = Mathf.Max(nodePos.y, 0.0f);
node.Position = nodePos;
return(OnInsertChild(index, node));
}
}
return(null);
}
private void DrawTransitions()
{
Vector2 nodeSize = BTEditorStyle.GetNodeSize(m_node);
Rect position = new Rect(NodePositon + BTEditorCanvas.Current.Position, nodeSize);
BTEditorTreeLayout treeLayout = BTEditorStyle.TreeLayout;
foreach (var child in m_children)
{
Vector2 childNodeSize = BTEditorStyle.GetNodeSize(child.Node);
Rect childPosition = new Rect(child.Node.Position + BTEditorCanvas.Current.Position, childNodeSize);
BehaviourNodeStatus childStatus = BTEditorCanvas.Current.IsDebuging ? child.Node.Status : BehaviourNodeStatus.None;
Color color = BTEditorStyle.GetTransitionColor(childStatus);
Vector2 nodeCenter = position.center;
Vector2 childCenter = childPosition.center;
if (treeLayout == BTEditorTreeLayout.Vertical)
{
if (Mathf.Approximately(nodeCenter.y, childCenter.y) || Mathf.Approximately(nodeCenter.x, childCenter.x))
{
BTEditorUtils.DrawLine(nodeCenter, childCenter, color);
}
else
{
BTEditorUtils.DrawLine(nodeCenter, nodeCenter + Vector2.up * (childCenter.y - nodeCenter.y) / 2, color);
BTEditorUtils.DrawLine(nodeCenter + Vector2.up * (childCenter.y - nodeCenter.y) / 2,
childCenter + Vector2.up * (nodeCenter.y - childCenter.y) / 2, color);
BTEditorUtils.DrawLine(childCenter, childCenter + Vector2.up * (nodeCenter.y - childCenter.y) / 2, color);
}
}
else if (treeLayout == BTEditorTreeLayout.Horizontal)
{
BTEditorUtils.DrawBezier(nodeCenter, childCenter, color);
}
else
{
BTEditorUtils.DrawLine(nodeCenter, childCenter, color);
}
}
}
private void HandleEvents()
{
Rect position = new Rect(NodePositon, BTEditorStyle.GetNodeSize(m_node));
Vector2 mousePosition = BTEditorCanvas.Current.WindowSpaceToCanvasSpace(BTEditorCanvas.Current.Event.mousePosition);
if (BTEditorCanvas.Current.Event.type == EventType.MouseDown && BTEditorCanvas.Current.Event.button == SELECT_MOUSE_BUTTON)
{
if (position.Contains(mousePosition))
{
if (!m_isSelected)
{
m_graph.OnNodeSelect(this);
}
if (m_lastClickTime.HasValue)
{
if (Time.realtimeSinceStartup <= m_lastClickTime.Value + DOUBLE_CLICK_THRESHOLD)
{
OnDoubleClicked();
}
m_lastClickTime = null;
}
else
{
m_lastClickTime = Time.realtimeSinceStartup;
}
m_canBeginDragging = !IsRoot;
BTEditorCanvas.Current.Event.Use();
}
}
else if (BTEditorCanvas.Current.Event.type == EventType.MouseDown && BTEditorCanvas.Current.Event.button == CONTEXT_MOUSE_BUTTON)
{
if (position.Contains(mousePosition))
{
ShowContextMenu();
BTEditorCanvas.Current.Event.Use();
}
}
else if (BTEditorCanvas.Current.Event.type == EventType.MouseUp && BTEditorCanvas.Current.Event.button == SELECT_MOUSE_BUTTON)
{
if (m_isDragging)
{
m_graph.OnNodeEndDrag(this);
BTEditorCanvas.Current.Event.Use();
}
m_canBeginDragging = false;
}
else if (BTEditorCanvas.Current.Event.type == EventType.MouseDrag && BTEditorCanvas.Current.Event.button == DRAG_MOUSE_BUTTON)
{
if (!m_graph.ReadOnly && !m_isDragging && m_canBeginDragging && position.Contains(mousePosition))
{
m_graph.OnNodeBeginDrag(this, mousePosition);
BTEditorCanvas.Current.Event.Use();
}
else if (m_isDragging)
{
m_graph.OnNodeDrag(this, mousePosition, BTEditorCanvas.Current.Event.control);
BTEditorCanvas.Current.Event.Use();
}
}
else if (m_graph.SelectionBox.HasValue)
{
if (m_graph.SelectionBox.Value.Contains(position.center))
{
if (!m_isSelected)
{
m_graph.OnNodeSelect(this);
}
}
else
{
if (m_isSelected)
{
m_graph.OnNodeDeselect(this);
}
}
}
}
