/**
* Check if this platform is connected by the special starting link
*/
public bool isConnectedToStart(LinkBehavior startingLink)
{
List <ConnectableEntityBehavior> alreadySearched = new List <ConnectableEntityBehavior>();
ConnectableEntityBehavior temp = startingLink.connectableEntity;
while (temp != null)
{
if (temp == this)
{
return(true);
}
if (temp.GetComponent <ContainerEntityBehavior>() != null &&
temp.GetComponent <ContainerEntityBehavior>().GetChildComponent <LinkBehavior>() != null &&
temp.GetComponent <ContainerEntityBehavior>().GetChildComponent <LinkBehavior>().connectableEntity != null)
{
alreadySearched.Add(temp);
temp = temp.GetComponent <ContainerEntityBehavior>().GetChildComponent <LinkBehavior>().connectableEntity;
if (alreadySearched.Contains(temp)) // you have reached the end of the list or there is an infinite loop
{
return(false);
}
}
else
{
return(false);
}
}
return(false);
}
private void removeCurrentConnection()
{
if (connectableEntity != null)
{
connectableEntity.removeIncomingLink(this);
connectableEntity = null;
if (containerEntity != null)
{
containerEntity.UpdateChildLinkRendering();
}
}
}
/**
* Instantiate an arrow that goes from the given link block to the given platform using the given color.
*/
private Transform[] createArrowInstanceToEntity(ConnectableEntityBehavior ce, Color color)
{
// determine the start and end points of the arrow.
Bounds linkBounds = GetComponent <SpriteRenderer>().bounds;
Bounds platBounds = ce.getSpriteBounds();
// find the closest points on both bounding boxes to the center point to make the arrow.
Vector3 betweenPoint = new Vector3((linkBounds.center.x + platBounds.center.x) / 2,
(linkBounds.center.y + platBounds.center.y) / 2, 0);
Vector3 closestToLink = linkBounds.ClosestPoint(betweenPoint);
closestToLink = new Vector3(closestToLink.x, closestToLink.y, 0);
Vector3 closestToPlat = platBounds.ClosestPoint(betweenPoint);
closestToPlat = new Vector3(closestToPlat.x, closestToPlat.y, 0);
return(createArrowInstanceBetweenPoints(closestToLink, closestToPlat, color));
}
public void setConnectionTo(ConnectableEntityBehavior ce)
{
// remove current connection
removeCurrentConnection();
connectableEntity = ce;
if (ce != null)
{
ce.addIncomingLink(this);
}
UpdateRendering();
if (containerEntity != null)
{
containerEntity.UpdateChildLinkRendering();
if (containerEntity.GetComponent <HelicopterRobotBehavior>() != null)
{
containerEntity.GetComponent <HelicopterRobotBehavior>().MoveAboveLinkedPlatform();
}
}
}
public void setPreviewConnection(ConnectableEntityBehavior ce)
{
previewConnectableEntity = ce;
UpdateRendering();
}