static void CreateDefaultMarkersFor(GraphEditor graphEditor, Type builderType)
{
// Remove unused nodes
// Grab the names of all the markers nodes in the graph
var markerNames = new List <string>();
foreach (var node in graphEditor.Graph.Nodes)
{
if (node is MarkerNode)
{
var markerNode = node as MarkerNode;
markerNames.Add(markerNode.Caption);
}
}
var unusedMarkers = new List <string>(markerNames.ToArray());
// Remove markers from the unused list that have child nodes attached to it
foreach (var node in graphEditor.Graph.Nodes)
{
if (node is VisualNode)
{
var visualNode = node as VisualNode;
foreach (var parentNode in visualNode.GetParentNodes())
{
if (parentNode is MarkerNode)
{
var markerNode = parentNode as MarkerNode;
unusedMarkers.Remove(markerNode.Caption);
}
}
}
}
// Remove markers from the unused list that are referenced by other marker emitters
foreach (var node in graphEditor.Graph.Nodes)
{
if (node is MarkerEmitterNode)
{
var emitterNode = node as MarkerEmitterNode;
string markerName = emitterNode.Caption;
// this marker is referenced by an emitter. Remove it from the unused list
unusedMarkers.Remove(markerName);
}
}
// Remove markers from the unused list that are required by the new builder type
var defaultMarkerRepository = new DungeonBuilderDefaultMarkers();
var builderMarkers = defaultMarkerRepository.GetDefaultMarkers(builderType);
foreach (var builderMarker in builderMarkers)
{
unusedMarkers.Remove(builderMarker);
}
// Remove all the unused markers
var markerNodesToDelete = new List <MarkerNode>();
foreach (var node in graphEditor.Graph.Nodes)
{
if (node is MarkerNode)
{
var markerNode = node as MarkerNode;
if (unusedMarkers.Contains(markerNode.Caption))
{
markerNodesToDelete.Add(markerNode);
}
}
}
graphEditor.DeleteNodes(markerNodesToDelete.ToArray());
// Grab the names of all the markers nodes in the graph
markerNames.Clear();
foreach (var node in graphEditor.Graph.Nodes)
{
if (node is MarkerNode)
{
var markerNode = node as MarkerNode;
markerNames.Add(markerNode.Caption);
}
}
var markersToCreate = new List <string>();
foreach (var builderMarker in builderMarkers)
{
if (!markerNames.Contains(builderMarker))
{
markersToCreate.Add(builderMarker);
}
}
var existingBounds = new List <Rect>();
foreach (var node in graphEditor.Graph.Nodes)
{
existingBounds.Add(node.Bounds);
}
// Add the new nodes
const int INTER_NODE_X = 200;
const int INTER_NODE_Y = 300;
int itemsPerRow = 5;
int positionIndex = 0;
int ix, iy, x, y;
var markerNodeSize = new Vector2(120, 50);
for (int i = 0; i < markersToCreate.Count; i++)
{
bool overlaps;
int numOverlapTries = 0;
int MAX_OVERLAP_TRIES = 100;
do
{
ix = positionIndex % itemsPerRow;
iy = positionIndex / itemsPerRow;
x = ix * INTER_NODE_X;
y = iy * INTER_NODE_Y;
positionIndex++;
overlaps = false;
var newNodeBounds = new Rect(x, y, markerNodeSize.x, markerNodeSize.y);
foreach (var existingBound in existingBounds)
{
if (newNodeBounds.Overlaps(existingBound))
{
overlaps = true;
break;
}
}
numOverlapTries++;
} while (overlaps && numOverlapTries < MAX_OVERLAP_TRIES);
var newNode = GraphOperations.CreateNode <MarkerNode>(graphEditor.Graph);
DungeonEditorHelper.AddToAsset(graphEditor.Graph, newNode);
newNode.Position = new Vector2(x, y);
newNode.Caption = markersToCreate[i];
}
}
