| public HasCursorOver ( Cursor cursor ) : bool | ||
| cursor | Cursor | |
| return | bool | |
private GraphicalUiElement ReverseLoopToFindIpso(float x, float y, int indexToStartAt, int indexToEndAt, bool visibleToCheck, List <ElementWithState> elementStack)
{
GraphicalUiElement ipsoOver = null;
if (indexToEndAt < -1)
{
throw new Exception("Index cannot be less than -1");
}
if (indexToStartAt >= WireframeObjectManager.Self.AllIpsos.Count)
{
throw new Exception("Index must be less than the AllIpsos Count");
}
// Let's try to get visible ones first, then if we don't find anything, look at invisible ones
for (int i = indexToStartAt; i > indexToEndAt; i--)
{
GraphicalUiElement graphicalUiElement = WireframeObjectManager.Self.AllIpsos[i];
bool skip = graphicalUiElement.Tag is ScreenSave;
if (!skip)
{
bool visible = IsIpsoVisible(graphicalUiElement);
if (visible == visibleToCheck)
{
var hasCursorOver = false;
if (graphicalUiElement.RenderableComponent is LinePolygon)
{
hasCursorOver = (graphicalUiElement.RenderableComponent as LinePolygon).IsPointInside(x, y);
}
else
{
hasCursorOver = graphicalUiElement.HasCursorOver(x, y);
}
if (hasCursorOver && (WireframeObjectManager.Self.IsRepresentation(graphicalUiElement)))
{
// hold on, even though this is a valid IPSO and the cursor is over it, we gotta see if
// it's an instance that is locked. If so, we shouldn't select it!
InstanceSave instanceSave = graphicalUiElement.Tag as InstanceSave;
if (instanceSave == null || instanceSave.Locked == false)
{
ipsoOver = graphicalUiElement;
break;
}
}
}
}
}
return(ipsoOver);
}
public GraphicalUiElement GetRepresentationAt(float x, float y, bool skipSelected, List <ElementWithState> elementStack)
{
GraphicalUiElement ipsoOver = null;
// First check if we're over the current
GraphicalUiElement selectedRepresentation = WireframeObjectManager.Self.GetSelectedRepresentation();
if (InputLibrary.Keyboard.Self.KeyDown(Microsoft.Xna.Framework.Input.Keys.Space))
{
int m = 3;
}
int indexToStartAt = -1;
if (skipSelected)
{
if (selectedRepresentation != null)
{
indexToStartAt = WireframeObjectManager.Self.AllIpsos.IndexOf(selectedRepresentation);
}
}
else
{
if (selectedRepresentation != null && selectedRepresentation.Tag is ScreenSave == false)
{
if (selectedRepresentation.HasCursorOver(x, y))
{
ipsoOver = selectedRepresentation;
}
}
}
if (ipsoOver == null)
{
// We used to loop through the IPSOs that are part of the WireframeObjectManager,
// but we want to do it in the order that they appear in the
// Renderer. So we'll just loop through the IPositionedSizedObjects
// in the Renderer's Layer[0], test if they're part of one of the WireframeObjectManager's
// lists, and if so, check collision.
if (indexToStartAt == -1)
{
indexToStartAt = WireframeObjectManager.Self.AllIpsos.Count;
}
#region First check only visible objects
ipsoOver = ReverseLoopToFindIpso(x, y, indexToStartAt - 1, -1, true, elementStack);
if (ipsoOver == null && indexToStartAt != WireframeObjectManager.Self.AllIpsos.Count - 1)
{
ipsoOver = ReverseLoopToFindIpso(x, y, WireframeObjectManager.Self.AllIpsos.Count - 1, indexToStartAt, true, elementStack);
}
#endregion
#region If none were found, check invisible objects
if (ipsoOver == null)
{
ipsoOver = ReverseLoopToFindIpso(x, y, indexToStartAt - 1, -1, false, elementStack);
if (ipsoOver == null && indexToStartAt != WireframeObjectManager.Self.AllIpsos.Count - 1)
{
ipsoOver = ReverseLoopToFindIpso(x, y, WireframeObjectManager.Self.AllIpsos.Count - 1, indexToStartAt, false, elementStack);
}
}
#endregion
}
// Right now we're going to assume that we only want to select IPSOs that represent the current
// element or its InstanceSaves - not any children. So we're going to get the InstanceSave - if that's
// null, get the ElementSave
if (ipsoOver != null)
{
InstanceSave instance;
ElementSave element;
GetElementOrInstanceForIpso(ipsoOver, elementStack, out instance, out element);
if (instance != null)
{
ipsoOver = WireframeObjectManager.Self.GetRepresentation(instance, elementStack);
}
else if (element != null) // both may be null if the user drag+dropped onto the wireframe window
{
try
{
ipsoOver = WireframeObjectManager.Self.GetRepresentation(element);
}
catch (Exception e)
{
int m = 3;
throw e;
}
}
}
return(ipsoOver);
}
