private TransitionViewData MakeNewTransitionViewData(Transition transition)
{
TransitionViewData viewData = new TransitionViewData(transition);
this._transitionViewDatas.Add(viewData);
this.ClearCached();
return(viewData);
}
private void DrawTransitionFromNodeToNode(TransitionViewData transitionViewData, Node node, Node targetNode, TransitionViewStyle style)
{
NodeViewData nodeViewData = this.GetViewDataForNode(node);
NodeViewData targetNodeViewData = this.GetViewDataForNode(targetNode);
this.DrawTransitionFromPointToPoint(transitionViewData,
nodeViewData.position + this._panner.Position,
targetNodeViewData.position + this._panner.Position,
style);
}
public TransitionViewData GetViewDataForTransition(Transition transition)
{
TransitionViewData viewData = this.CachedViewDataMapping.SafeGet(transition);
if (viewData == null)
{
viewData = this.MakeNewTransitionViewData(transition);
}
return(viewData);
}
private void DrawTransitionsForNode(Node node)
{
NodeViewData nodeViewData = this.GetViewDataForNode(node);
IList <NodeTransition> nodeTransitions = this.TargetGraph.GetOutgoingTransitionsForNode(node);
foreach (NodeTransition nodeTransition in nodeTransitions)
{
TransitionViewStyle transitionStyle = this.GetStyleForTransition(node, nodeTransition);
TransitionViewData transitionViewData = nodeViewData.GetViewDataForTransition(nodeTransition.transition);
IList <Node> targetNodes = nodeTransition.targets.Select(targetId => this.TargetGraph.LoadNodeById(targetId)).ToList();
foreach (Node targetNode in targetNodes)
{
this.DrawTransitionFromNodeToNode(transitionViewData, node, targetNode, transitionStyle);
}
}
}
private void DrawEditingTransitionToMousePoint()
{
if (this._node == null)
{
Debug.LogError("DrawEditingTransitionToMousePoint - node is null!");
return;
}
Vector2 mousePosition = Event.current.mousePosition;
NodeViewData nodeViewData = this.Context.GetViewDataForNode(this._node);
TransitionViewData transitionViewData = nodeViewData.GetViewDataForTransition(this._nodeTransition.transition);
this.Context.DrawTransitionFromPointToPoint(transitionViewData,
nodeViewData.position + this.Context._panner.Position,
mousePosition,
TransitionViewStyle.HIGHLIGHTED);
}
private void DrawTransitionFromPointToPoint(TransitionViewData transitionViewData, Vector2 point, Vector2 targetPoint, TransitionViewStyle style)
{
Color transitionColor = TransitionViewStyleUtil.GetColor(style);
GUIStyle transitionArrowStyle = TransitionViewStyleUtil.GetArrowStyle(style);
Vector2 offset = targetPoint - point;
// ex. A ---> B == Direction.RIGHT
Direction offsetDirection = DirectionUtil.ConvertVector2(offset);
// ex. (Direction.RIGHT).Vector2Value() == Vector2(1.0f, 0.0f)
Vector2 nodeTangent = Vector2.Scale(offsetDirection.Vector2Value(), Vector2Util.Abs(offset) * kTransitionTangentMultiplier);
Vector2 targetNodeTangent = -nodeTangent;
Handles.DrawBezier(point,
targetPoint,
point + nodeTangent,
targetPoint + targetNodeTangent,
transitionColor,
null,
kTransitionLineWidth);
Vector3[] bezierPoints = Handles.MakeBezierPoints(point,
targetPoint,
point + nodeTangent,
targetPoint + targetNodeTangent,
division: 40);
int midPointIndex = Mathf.FloorToInt(bezierPoints.Length / 2.0f);
Vector2 midPointTangent = bezierPoints[midPointIndex + 1] - bezierPoints[midPointIndex];
Vector2 midPoint = (point + targetPoint) / 2.0f;
float rotationAngle = Vector2.Angle(Vector2.right, midPointTangent);
if (midPointTangent.y < 0.0f)
{
rotationAngle *= -1.0f;
}
GUIUtility.RotateAroundPivot(rotationAngle, midPoint);
GUI.Box(RectUtil.MakeRect(midPoint, new Vector2(10.0f, 10.0f), pivot: new Vector2(0.5f, 0.5f)), "", transitionArrowStyle);
GUIUtility.RotateAroundPivot(-rotationAngle, midPoint);
}