protected virtual void DrawStackNode(StateNode node)
{
if (!Canvas.DrawRect(node.Bounds, StackBackgroundColor, true, true, true, Selecteds.Contains(node)))
{
return;
}
Rect topBound = new Rect(node.Bounds.position, new Vector2(STACK_NODE_WIDTH, STACK_TOP_HEIGHT));
//画顶部区域，包含文字、输入、添加子节点
if (Canvas.DrawRect(topBound, StackNodeColor, true, false))
{
topBound.position += new Vector2(PIN_WIDTH + 4, 0);
topBound.width -= PIN_WIDTH * 2;
var icon = TypeIconCollector.Get(node.NodeType);
if (icon)
{
Rect rect = new Rect(topBound.x, topBound.y, ICON_SIZE, topBound.height);
Canvas.DrawIcon(rect, icon);
topBound.x += ICON_SIZE;
topBound.width -= ICON_SIZE;
}
Canvas.DrawText(topBound, node.Name, null, node.Comments, StateGraphEditorStyles.NodeNameStyle);
if (Graph.ChechInput(node))
{
Vector2 pos = GetInputPin(node);
Canvas.DrawCircle(pos, CircleWireColor, PIN_RADIUS, true);
if (Graph.Links.Exists(it => it.To == node))
{
Canvas.DrawCircle(pos, CircleSoldColor, PIN_RADIUS - 2, false);
}
}
Rect addRect = GetAddChildPinRect(node);
Canvas.DrawText(addRect, "✚", null, null, StateGraphEditorStyles.TxtButtonStyle);
}
childLinkTmp.Clear();
{//左侧区域
Rect centerLeftRect = node.Bounds;
centerLeftRect.position += new Vector2(0, STACK_TOP_HEIGHT + CHILD_INTERVAL);
centerLeftRect.height -= (STACK_BOTTOM_HEIGHT + STACK_TOP_HEIGHT + CHILD_INTERVAL * 2);
centerLeftRect.width = STACK_LEFT_WIDTH;
Canvas.DrawRect(centerLeftRect, StackNodeColor, false, false);
}
foreach (var link in Graph.Links)
{
if (link.IsChild && link.From == node)
{
childLinkTmp.Add(link);
}
}
for (int i = 0; i < childLinkTmp.Count; ++i)
{
var link = childLinkTmp[i];
DrawNormalNode(link.To.Node, true);
if (!Selecteds.Contains(link.To))
{
continue;
}
if (childLinkTmp.Count > 1)
{
Rect btnSize = link.To.Node.Bounds;
btnSize.position -= new Vector2(STACK_LEFT_WIDTH + 1, -3);
btnSize.width = STACK_LEFT_WIDTH;
btnSize.height = NODE_HEIGHT * 0.5f;
if (i > 0)
{
//上移按钮
if (Canvas.DrawButton(btnSize, "▲", StateGraphEditorStyles.TxtButtonStyle) && !ReadOnly)
{
ChildNodeMoveUp(link.To);
}
}
if (i < childLinkTmp.Count - 1)
{
btnSize.position += new Vector2(0, NODE_HEIGHT * 0.5f);
//下移按钮
if (Canvas.DrawButton(btnSize, "▼", StateGraphEditorStyles.TxtButtonStyle) && !ReadOnly)
{
ChildNodeMoveDown(link.To);
}
}
}
}
Rect bottomRect = new Rect(node.Bounds.xMin, node.Bounds.yMax - STACK_BOTTOM_HEIGHT, STACK_NODE_WIDTH, STACK_BOTTOM_HEIGHT);
if (Canvas.DrawRect(bottomRect, StackNodeColor, false, true))
{
if (Graph.CheckOutput(node))
{
Vector2 pos = GetOutputPin(node);
Canvas.DrawCircle(pos, CircleWireColor, PIN_RADIUS, true);
if (Graph.Links.Exists(it => !it.IsChild && it.From == node))
{
Canvas.DrawCircle(pos, CircleSoldColor, PIN_RADIUS - 2, false);
}
}
}
}