/// <summary> Make a field for a serialized property. Automatically displays relevant node port. </summary>
public static void PropertyField(SerializedProperty property, GUIContent label, bool includeChildren = true, params GUILayoutOption[] options)
{
if (property == null)
{
throw new NullReferenceException();
}
Siccity.XNode.Node node = property.serializedObject.targetObject as Siccity.XNode.Node;
Siccity.XNode.NodePort port = node.GetPort(property.name);
PropertyField(property, label, port, includeChildren);
}
/// <summary> Make a simple port field. </summary>
public static void PortField(GUIContent label, Siccity.XNode.NodePort port, params GUILayoutOption[] options)
{
if (port == null)
{
return;
}
if (label == null)
{
EditorGUILayout.LabelField(ObjectNames.NicifyVariableName(port.fieldName), options);
}
else
{
EditorGUILayout.LabelField(label, options);
}
Rect rect = GUILayoutUtility.GetLastRect();
if (port.direction == Siccity.XNode.NodePort.IO.Input)
{
rect.position = rect.position - new Vector2(16, 0);
}
else if (port.direction == Siccity.XNode.NodePort.IO.Output)
{
rect.position = rect.position + new Vector2(rect.width, 0);
}
rect.size = new Vector2(16, 16);
Color backgroundColor = new Color32(90, 97, 105, 255);
if (NodeEditorWindow.nodeTint.ContainsKey(port.node.GetType()))
{
backgroundColor *= NodeEditorWindow.nodeTint[port.node.GetType()];
}
Color col = NodeEditorWindow.current.graphEditor.GetTypeColor(port.ValueType);
DrawPortHandle(rect, backgroundColor, col);
// Register the handle position
Vector2 portPos = rect.center;
if (NodeEditor.portPositions.ContainsKey(port))
{
NodeEditor.portPositions[port] = portPos;
}
else
{
NodeEditor.portPositions.Add(port, portPos);
}
}
/// <summary> Draws all connections </summary>
public void DrawConnections()
{
foreach (Siccity.XNode.Node node in graph.nodes)
{
//If a null node is found, return. This can happen if the nodes associated script is deleted. It is currently not possible in Unity to delete a null asset.
if (node == null)
{
continue;
}
foreach (Siccity.XNode.NodePort output in node.Outputs)
{
//Needs cleanup. Null checks are ugly
if (!portConnectionPoints.ContainsKey(output))
{
continue;
}
Vector2 from = _portConnectionPoints[output].center;
for (int k = 0; k < output.ConnectionCount; k++)
{
Siccity.XNode.NodePort input = output.GetConnection(k);
if (input == null)
{
continue; //If a script has been updated and the port doesn't exist, it is removed and null is returned. If this happens, return.
}
if (!input.IsConnectedTo(output))
{
input.Connect(output);
}
if (!_portConnectionPoints.ContainsKey(input))
{
continue;
}
Vector2 to = _portConnectionPoints[input].center;
Color connectionColor = graphEditor.GetTypeColor(output.ValueType);
DrawConnection(from, to, connectionColor);
}
}
}
}
/// <summary> Dublicate selected nodes and select the dublicates </summary>
public void DublicateSelectedNodes() {
UnityEngine.Object[] newNodes = new UnityEngine.Object[Selection.objects.Length];
Dictionary<Siccity.XNode.Node, Siccity.XNode.Node> substitutes = new Dictionary<Siccity.XNode.Node, Siccity.XNode.Node>();
for (int i = 0; i < Selection.objects.Length; i++) {
if (Selection.objects[i] is Siccity.XNode.Node) {
Siccity.XNode.Node srcNode = Selection.objects[i] as Siccity.XNode.Node;
if (srcNode.graph != graph) continue; // ignore nodes selected in another graph
Siccity.XNode.Node newNode = graph.CopyNode(srcNode);
substitutes.Add(srcNode, newNode);
newNode.position = srcNode.position + new Vector2(30, 30);
newNodes[i] = newNode;
}
}
// Walk through the selected nodes again, recreate connections, using the new nodes
for (int i = 0; i < Selection.objects.Length; i++) {
if (Selection.objects[i] is Siccity.XNode.Node) {
Siccity.XNode.Node srcNode = Selection.objects[i] as Siccity.XNode.Node;
if (srcNode.graph != graph) continue; // ignore nodes selected in another graph
foreach (Siccity.XNode.NodePort port in srcNode.Ports) {
for (int c = 0; c < port.ConnectionCount; c++) {
Siccity.XNode.NodePort inputPort = port.direction == Siccity.XNode.NodePort.IO.Input ? port : port.GetConnection(c);
Siccity.XNode.NodePort outputPort = port.direction == Siccity.XNode.NodePort.IO.Output ? port : port.GetConnection(c);
if (substitutes.ContainsKey(inputPort.node) && substitutes.ContainsKey(outputPort.node)) {
Siccity.XNode.Node newNodeIn = substitutes[inputPort.node];
Siccity.XNode.Node newNodeOut = substitutes[outputPort.node];
newNodeIn.UpdateStaticPorts();
newNodeOut.UpdateStaticPorts();
inputPort = newNodeIn.GetInputPort(inputPort.fieldName);
outputPort = newNodeOut.GetOutputPort(outputPort.fieldName);
}
if (!inputPort.IsConnectedTo(outputPort)) inputPort.Connect(outputPort);
}
}
}
}
Selection.objects = newNodes;
}
/// <summary> Make a field for a serialized property. Manual node port override. </summary>
public static void PropertyField(SerializedProperty property, GUIContent label, Siccity.XNode.NodePort port, bool includeChildren = true, params GUILayoutOption[] options)
{
if (property == null)
{
throw new NullReferenceException();
}
// If property is not a port, display a regular property field
if (port == null)
{
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
}
else
{
Rect rect = new Rect();
// If property is an input, display a regular property field and put a port handle on the left side
if (port.direction == Siccity.XNode.NodePort.IO.Input)
{
// Get data from [Input] attribute
Siccity.XNode.Node.ShowBackingValue showBacking = Siccity.XNode.Node.ShowBackingValue.Unconnected;
Siccity.XNode.Node.InputAttribute inputAttribute;
if (NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out inputAttribute))
{
showBacking = inputAttribute.backingValue;
}
switch (showBacking)
{
case Siccity.XNode.Node.ShowBackingValue.Unconnected:
// Display a label if port is connected
if (port.IsConnected)
{
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName));
}
// Display an editable property field if port is not connected
else
{
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
}
break;
case Siccity.XNode.Node.ShowBackingValue.Never:
// Display a label
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName));
break;
case Siccity.XNode.Node.ShowBackingValue.Always:
// Display an editable property field
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
break;
}
rect = GUILayoutUtility.GetLastRect();
rect.position = rect.position - new Vector2(16, 0);
// If property is an output, display a text label and put a port handle on the right side
}
else if (port.direction == Siccity.XNode.NodePort.IO.Output)
{
// Get data from [Output] attribute
Siccity.XNode.Node.ShowBackingValue showBacking = Siccity.XNode.Node.ShowBackingValue.Unconnected;
Siccity.XNode.Node.OutputAttribute outputAttribute;
if (NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out outputAttribute))
{
showBacking = outputAttribute.backingValue;
}
switch (showBacking)
{
case Siccity.XNode.Node.ShowBackingValue.Unconnected:
// Display a label if port is connected
if (port.IsConnected)
{
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName), NodeEditorResources.OutputPort, GUILayout.MinWidth(30));
}
// Display an editable property field if port is not connected
else
{
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
}
break;
case Siccity.XNode.Node.ShowBackingValue.Never:
// Display a label
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName), NodeEditorResources.OutputPort, GUILayout.MinWidth(30));
break;
case Siccity.XNode.Node.ShowBackingValue.Always:
// Display an editable property field
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
break;
}
rect = GUILayoutUtility.GetLastRect();
rect.position = rect.position + new Vector2(rect.width, 0);
}
rect.size = new Vector2(16, 16);
Color backgroundColor = new Color32(90, 97, 105, 255);
if (NodeEditorWindow.nodeTint.ContainsKey(port.node.GetType()))
{
backgroundColor *= NodeEditorWindow.nodeTint[port.node.GetType()];
}
Color col = NodeEditorWindow.current.graphEditor.GetTypeColor(port.ValueType);
DrawPortHandle(rect, backgroundColor, col);
// Register the handle position
Vector2 portPos = rect.center;
if (NodeEditor.portPositions.ContainsKey(port))
{
NodeEditor.portPositions[port] = portPos;
}
else
{
NodeEditor.portPositions.Add(port, portPos);
}
}
}
/// <summary> Make a field for a serialized property. Manual node port override. </summary>
public static void PropertyField(SerializedProperty property, Siccity.XNode.NodePort port, bool includeChildren = true, params GUILayoutOption[] options)
{
PropertyField(property, null, port, includeChildren, options);
}
/// <summary> Make a simple port field. </summary>
public static void PortField(Siccity.XNode.NodePort port, params GUILayoutOption[] options)
{
PortField(null, port, options);
}
public void Controls() {
wantsMouseMove = true;
Event e = Event.current;
switch (e.type) {
case EventType.MouseMove:
break;
case EventType.ScrollWheel:
if (e.delta.y > 0) zoom += 0.1f * zoom;
else zoom -= 0.1f * zoom;
break;
case EventType.MouseDrag:
if (e.button == 0) {
if (IsDraggingPort) {
if (IsHoveringPort && hoveredPort.IsInput) {
if (!draggedOutput.IsConnectedTo(hoveredPort)) {
draggedOutputTarget = hoveredPort;
}
} else {
draggedOutputTarget = null;
}
Repaint();
} else if (currentActivity == NodeActivity.HoldHeader || currentActivity == NodeActivity.DragHeader) {
for (int i = 0; i < Selection.objects.Length; i++) {
if (Selection.objects[i] is Siccity.XNode.Node) {
Siccity.XNode.Node node = Selection.objects[i] as Siccity.XNode.Node;
node.position = WindowToGridPosition(e.mousePosition) + dragOffset[i];
bool gridSnap = NodeEditorPreferences.GetSettings().gridSnap;
if (e.control) {
gridSnap = !gridSnap;
}
if (gridSnap) {
node.position.x = (Mathf.Round((node.position.x + 8) / 16) * 16) - 8;
node.position.y = (Mathf.Round((node.position.y + 8) / 16) * 16) - 8;
}
}
}
currentActivity = NodeActivity.DragHeader;
Repaint();
} else if (currentActivity == NodeActivity.HoldGrid) {
currentActivity = NodeActivity.DragGrid;
preBoxSelection = Selection.objects;
dragBoxStart = WindowToGridPosition(e.mousePosition);
Repaint();
} else if (currentActivity == NodeActivity.DragGrid) {
foreach (Siccity.XNode.Node node in graph.nodes) {
}
Repaint();
}
} else if (e.button == 1 || e.button == 2) {
Vector2 tempOffset = panOffset;
tempOffset += e.delta * zoom;
// Round value to increase crispyness of UI text
tempOffset.x = Mathf.Round(tempOffset.x);
tempOffset.y = Mathf.Round(tempOffset.y);
panOffset = tempOffset;
isPanning = true;
}
break;
case EventType.MouseDown:
Repaint();
if (e.button == 0) {
if (IsHoveringPort) {
if (hoveredPort.IsOutput) {
draggedOutput = hoveredPort;
} else {
hoveredPort.VerifyConnections();
if (hoveredPort.IsConnected) {
Siccity.XNode.Node node = hoveredPort.node;
Siccity.XNode.NodePort output = hoveredPort.Connection;
hoveredPort.Disconnect(output);
draggedOutput = output;
draggedOutputTarget = hoveredPort;
if (NodeEditor.onUpdateNode != null) NodeEditor.onUpdateNode(node);
}
}
} else if (IsHoveringNode && IsHoveringTitle(hoveredNode)) {
// If mousedown on node header, select or deselect
if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode, e.control || e.shift);
else if (e.control || e.shift) DeselectNode(hoveredNode);
e.Use();
currentActivity = NodeActivity.HoldHeader;
dragOffset = new Vector2[Selection.objects.Length];
for (int i = 0; i < dragOffset.Length; i++) {
if (Selection.objects[i] is Siccity.XNode.Node) {
Siccity.XNode.Node node = Selection.objects[i] as Siccity.XNode.Node;
dragOffset[i] = node.position - WindowToGridPosition(e.mousePosition);
}
}
}
// If mousedown on grid background, deselect all
else if (!IsHoveringNode) {
currentActivity = NodeActivity.HoldGrid;
if (!e.control && !e.shift) Selection.activeObject = null;
}
}
break;
case EventType.MouseUp:
if (e.button == 0) {
//Port drag release
if (IsDraggingPort) {
//If connection is valid, save it
if (draggedOutputTarget != null) {
Siccity.XNode.Node node = draggedOutputTarget.node;
if (graph.nodes.Count != 0) draggedOutput.Connect(draggedOutputTarget);
if (NodeEditor.onUpdateNode != null) NodeEditor.onUpdateNode(node);
EditorUtility.SetDirty(graph);
}
//Release dragged connection
draggedOutput = null;
draggedOutputTarget = null;
EditorUtility.SetDirty(graph);
AssetDatabase.SaveAssets();
} else if (currentActivity == NodeActivity.DragHeader) {
AssetDatabase.SaveAssets();
} else if (!IsHoveringNode) {
// If click outside node, release field focus
if (!isPanning) {
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
}
AssetDatabase.SaveAssets();
}
// If click node header, select single node.
if (currentActivity == NodeActivity.HoldHeader && !(e.control || e.shift)) {
SelectNode(hoveredNode, false);
}
Repaint();
currentActivity = NodeActivity.Idle;
} else if (e.button == 1) {
if (!isPanning) {
if (IsHoveringNode && IsHoveringTitle(hoveredNode)) {
if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode, false);
ShowNodeContextMenu();
} else if (!IsHoveringNode) {
ShowGraphContextMenu();
}
}
isPanning = false;
}
break;
case EventType.ValidateCommand:
if (e.commandName == "SoftDelete") RemoveSelectedNodes();
else if (e.commandName == "Duplicate") DublicateSelectedNodes();
Repaint();
break;
case EventType.Ignore:
// If release mouse outside window
if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid) {
Repaint();
currentActivity = NodeActivity.Idle;
}
break;
}
}