//...
static void FinalizeConnection(Port sourcePort, FlowNode targetNode)
{
if (sourcePort == null || targetNode == null)
{
return;
}
Port source = null;
Port target = null;
if (sourcePort is ValueOutput || sourcePort is FlowOutput)
{
source = sourcePort;
target = targetNode.GetFirstInputOfType(sourcePort.type);
}
else
{
source = targetNode.GetFirstOutputOfType(sourcePort.type);
target = sourcePort;
}
BinderConnection.Create(source, target);
}
///----------------------------------------------------------------------------------------------
///----------------------------------------------------------------------------------------------
///Convert nodes to macro (with a bit of hocus pocus)
public static void ConvertNodesToMacro(List <Node> originalNodes)
{
if (originalNodes == null || originalNodes.Count == 0)
{
return;
}
if (!UnityEditor.EditorUtility.DisplayDialog("Convert to Macro", "This will create a new Macro out of the nodes.\nPlease note that since Macros are assets, Scene Object references will not be saved.\nThe Macro can NOT be unpacked later on.\nContinue?", "Yes", "No!"))
{
return;
}
//create asset
var newMacro = EditorUtils.CreateAsset <Macro>();
if (newMacro == null)
{
return;
}
//undo
var graph = (FlowScriptBase)originalNodes[0].graph;
graph.RecordUndo("Convert To Macro");
//clone nodes
var cloned = Graph.CloneNodes(originalNodes, newMacro, -newMacro.translation);
//clear initial "example" ports
newMacro.inputDefinitions.Clear();
newMacro.outputDefinitions.Clear();
//cache used ports
var inputMergeMapSource = new Dictionary <Port, Port>();
var inputMergeMapTarget = new Dictionary <Port, Port>();
var outputMergeMapTarget = new Dictionary <Port, Port>();
var outputMergeMapSource = new Dictionary <Port, Port>();
//relink copied nodes to inside macro entry/exit
for (var i = 0; i < originalNodes.Count; i++)
{
var originalNode = originalNodes[i];
//create macro entry node port definitions and link those to input ports of cloned nodes inside
foreach (var originalInputConnection in originalNode.inConnections.OfType <BinderConnection>())
{
//only do stuff if link source node is not part of the clones
if (originalNodes.Contains(originalInputConnection.sourceNode))
{
continue;
}
Port defSourcePort = null;
//merge same input ports and same target ports
if (!inputMergeMapSource.TryGetValue(originalInputConnection.sourcePort, out defSourcePort))
{
if (!inputMergeMapTarget.TryGetValue(originalInputConnection.targetPort, out defSourcePort))
{
//remark: we use sourcePort.type instead of target port type, so that connections remain assignable
var def = new DynamicPortDefinition(originalInputConnection.targetPort.name, originalInputConnection.sourcePort.type);
defSourcePort = newMacro.AddInputDefinition(def);
inputMergeMapTarget[originalInputConnection.targetPort] = defSourcePort;
}
inputMergeMapSource[originalInputConnection.sourcePort] = defSourcePort;
}
if (defSourcePort.CanAcceptConnections()) //check this for case of merged FlowPorts
{
var targetPort = (cloned[i] as FlowNode).GetInputPort(originalInputConnection.targetPortID);
BinderConnection.Create(defSourcePort, targetPort);
}
}
//create macro exit node port definitions and link those to output ports of cloned nodes inside
foreach (var originalOutputConnection in originalNode.outConnections.OfType <BinderConnection>())
{
//only do stuff if link target node is not part of the clones
if (originalNodes.Contains(originalOutputConnection.targetNode))
{
continue;
}
Port defTargetPort = null;
//merge same input ports and same target ports
if (!outputMergeMapTarget.TryGetValue(originalOutputConnection.targetPort, out defTargetPort))
{
if (!outputMergeMapSource.TryGetValue(originalOutputConnection.sourcePort, out defTargetPort))
{
var def = new DynamicPortDefinition(originalOutputConnection.sourcePort.name, originalOutputConnection.sourcePort.type);
defTargetPort = newMacro.AddOutputDefinition(def);
outputMergeMapSource[originalOutputConnection.sourcePort] = defTargetPort;
}
outputMergeMapTarget[originalOutputConnection.targetPort] = defTargetPort;
}
if (defTargetPort.CanAcceptConnections()) //check this for case of merged ValuePorts
{
var sourcePort = (cloned[i] as FlowNode).GetOutputPort(originalOutputConnection.sourcePortID);
BinderConnection.Create(sourcePort, defTargetPort);
}
}
}
//Delete originals
var originalBounds = RectUtils.GetBoundRect(originalNodes.Select(n => n.rect).ToArray());
foreach (var node in originalNodes.ToArray())
{
graph.RemoveNode(node, false);
}
//Create MacroWrapper. Relink macro wrapper to outside nodes
var wrapperPos = originalBounds.center;
wrapperPos.x = (int)wrapperPos.x;
wrapperPos.y = (int)wrapperPos.y;
var wrapper = graph.AddMacroNode(newMacro, wrapperPos, null, null);
wrapper.GatherPorts();
foreach (var pair in inputMergeMapSource)
{
var source = pair.Key;
var target = wrapper.GetInputPort(pair.Value.ID);
BinderConnection.Create(source, target);
}
foreach (var pair in outputMergeMapTarget)
{
var source = wrapper.GetOutputPort(pair.Value.ID);
var target = pair.Key;
BinderConnection.Create(source, target);
}
//organize a bit
var clonedBounds = RectUtils.GetBoundRect(cloned.Select(n => n.rect).ToArray());
newMacro.entry.position = new Vector2((int)(clonedBounds.xMin - 300), (int)clonedBounds.yMin);
newMacro.exit.position = new Vector2((int)(clonedBounds.xMax + 300), (int)clonedBounds.yMin);
newMacro.translation = -newMacro.entry.position + new Vector2(300, 300);
//
//validate and save
newMacro.Validate();
UnityEditor.AssetDatabase.SaveAssets();
}
//Seal it...
sealed protected override void DrawNodeConnections(Rect drawCanvas, bool fullDrawPass, Vector2 canvasMousePos, float zoomFactor)
{
var e = Event.current;
//Port container graphics
if (fullDrawPass || drawCanvas.Overlaps(rect))
{
GUI.Box(new Rect(rect.x - 8, rect.y + 2, 10, rect.height), string.Empty, CanvasStyles.nodePortContainer);
GUI.Box(new Rect(rect.xMax - 2, rect.y + 2, 10, rect.height), string.Empty, CanvasStyles.nodePortContainer);
}
///
if (fullDrawPass || drawCanvas.Overlaps(rect))
{
var portRect = new Rect(0, 0, 10, 10);
//INPUT Ports
if (orderedInputs != null)
{
Port instancePort = null;
for (var i = 0; i < orderedInputs.Length; i++)
{
var port = orderedInputs[i];
var canConnect = true;
if (clickedPort != null)
{
if ((port == clickedPort) ||
(clickedPort.parent == port.parent) ||
(clickedPort.IsInputPort()) ||
(port.isConnected && port is ValueInput) ||
(!TypeConverter.HasConvertion(clickedPort.type, port.type)))
{
canConnect = false;
}
}
port.pos = new Vector2(rect.x - 5, rect.y + port.posOffsetY);
portRect.width = port.isConnected? 12:10;
portRect.height = portRect.width;
portRect.center = port.pos;
//first gameobject or component port is considered to be the 'instance' port by convention
if (port == firstValuePort)
{
if (port.IsUnitySceneObject())
{
instancePort = port;
}
}
//Port graphic
if (clickedPort != null && !canConnect && clickedPort != port)
{
GUI.color = new Color(1, 1, 1, 0.3f);
}
GUI.Box(portRect, string.Empty, port.isConnected? CanvasStyles.nodePortConnected : CanvasStyles.nodePortEmpty);
GUI.color = Color.white;
//Tooltip
if (portRect.Contains(e.mousePosition))
{
var labelString = (canConnect || port.isConnected || port == clickedPort)? port.type.FriendlyName() : "Can't Connect Here";
var size = CanvasStyles.box.CalcSize(new GUIContent(labelString));
var rect = new Rect(0, 0, size.x + 10, size.y + 5);
rect.x = portRect.x - size.x - 10;
rect.y = portRect.y - size.y / 2;
GUI.Box(rect, labelString, CanvasStyles.box);
//Or value
}
else
{
if (port is ValueInput && !port.isConnected)
{
//Only these types are shown their value
if (port.type.IsValueType || port.type == typeof(Type) || port.type == typeof(string) || port.IsUnityObject())
{
var value = (port as ValueInput).serializedValue;
string labelString = null;
if (!(port as ValueInput).isDefaultValue)
{
if (value is UnityEngine.Object && value as UnityEngine.Object != null)
{
labelString = string.Format("<b><color=#66ff33>{0}</color></b>", (value as UnityEngine.Object).name);
}
else
{
labelString = value.ToStringAdvanced();
}
}
else if (port == instancePort)
{
var exists = true;
if (graphAgent != null && typeof(Component).IsAssignableFrom(port.type))
{
exists = graphAgent.GetComponent(port.type) != null;
}
var color = exists? "66ff33" : "ff3300";
labelString = string.Format("<color=#{0}><b>♟ <i>Self</i></b></color>", color);
}
else
{
GUI.color = new Color(1, 1, 1, 0.15f);
labelString = value.ToStringAdvanced();
}
var size = CanvasStyles.label.CalcSize(new GUIContent(labelString));
var rect = new Rect(0, 0, size.x, size.y);
rect.x = portRect.x - size.x - 5;
rect.y = portRect.y - size.y * 0.3f; //*0.3? something's wrong here. FIX
GUI.Label(rect, labelString, CanvasStyles.label);
GUI.color = Color.white;
}
}
}
if (GraphEditorUtility.allowClick)
{
//Right click removes connections
if (port.isConnected && e.type == EventType.ContextClick && portRect.Contains(e.mousePosition))
{
foreach (var c in GetInPortConnections(port))
{
graph.RemoveConnection(c);
}
e.Use();
return;
}
//Click initialize new drag & drop connection
if (e.type == EventType.MouseDown && e.button == 0 && portRect.Contains(e.mousePosition))
{
if (port.CanAcceptConnections())
{
dragDropMisses = 0;
clickedPort = port;
e.Use();
}
}
//Drop on creates connection
if (e.type == EventType.MouseUp && e.button == 0 && clickedPort != null)
{
if (portRect.Contains(e.mousePosition) && port.CanAcceptConnections())
{
BinderConnection.Create(clickedPort, port);
clickedPort = null;
e.Use();
}
}
}
}
}
//OUTPUT Ports
if (orderedOutputs != null)
{
for (var i = 0; i < orderedOutputs.Length; i++)
{
var port = orderedOutputs[i];
var canConnect = true;
if (clickedPort != null)
{
if ((port == clickedPort) ||
(clickedPort.parent == port.parent) ||
(clickedPort.IsOutputPort()) ||
(port.isConnected && port is FlowOutput) ||
(!TypeConverter.HasConvertion(port.type, clickedPort.type)))
{
canConnect = false;
}
}
port.pos = new Vector2(rect.xMax + 5, rect.y + port.posOffsetY);
portRect.width = port.isConnected? 12:10;
portRect.height = portRect.width;
portRect.center = port.pos;
//Port graphic
if (clickedPort != null && !canConnect && clickedPort != port)
{
GUI.color = new Color(1, 1, 1, 0.3f);
}
GUI.Box(portRect, string.Empty, port.isConnected? CanvasStyles.nodePortConnected : CanvasStyles.nodePortEmpty);
GUI.color = Color.white;
//Tooltip
if (portRect.Contains(e.mousePosition))
{
var labelString = (canConnect || port.isConnected || port == clickedPort)? port.type.FriendlyName() : "Can't Connect Here";
var size = CanvasStyles.box.CalcSize(new GUIContent(labelString));
var rect = new Rect(0, 0, size.x + 10, size.y + 5);
rect.x = portRect.x + 15;
rect.y = portRect.y - portRect.height / 2;
GUI.Box(rect, labelString, CanvasStyles.box);
}
if (GraphEditorUtility.allowClick)
{
//Right click removes connections
if (e.type == EventType.ContextClick && portRect.Contains(e.mousePosition))
{
foreach (var c in GetOutPortConnections(port))
{
graph.RemoveConnection(c);
}
e.Use();
return;
}
//Click initialize new drag & drop connection
if (e.type == EventType.MouseDown && e.button == 0 && portRect.Contains(e.mousePosition))
{
if (port.CanAcceptConnections())
{
dragDropMisses = 0;
clickedPort = port;
e.Use();
}
}
//Drop on creates connection
if (e.type == EventType.MouseUp && e.button == 0 && clickedPort != null)
{
if (portRect.Contains(e.mousePosition) && port.CanAcceptConnections())
{
BinderConnection.Create(port, clickedPort);
clickedPort = null;
e.Use();
}
}
}
}
}
}
///ACCEPT CONNECTION
if (clickedPort != null && e.type == EventType.MouseUp)
{
///ON NODE
if (rect.Contains(e.mousePosition))
{
var cachePort = clickedPort;
var menu = new GenericMenu();
if (cachePort is ValueOutput || cachePort is FlowOutput)
{
if (orderedInputs != null)
{
foreach (var _port in orderedInputs.Where(p => p.CanAcceptConnections() && TypeConverter.HasConvertion(cachePort.type, p.type)))
{
var port = _port;
menu.AddItem(new GUIContent(string.Format("To: '{0}'", port.name)), false, () => { BinderConnection.Create(cachePort, port); });
}
}
}
else
{
if (orderedOutputs != null)
{
foreach (var _port in orderedOutputs.Where(p => p.CanAcceptConnections() && TypeConverter.HasConvertion(p.type, cachePort.type)))
{
var port = _port;
menu.AddItem(new GUIContent(string.Format("From: '{0}'", port.name)), false, () => { BinderConnection.Create(port, cachePort); });
}
}
}
//append menu items
menu = OnDragAndDropPortContextMenu(menu, cachePort);
//if there is only 1 option, just do it
if (menu.GetItemCount() == 1)
{
EditorUtils.GetMenuItems(menu)[0].func();
}
else
{
GraphEditorUtility.PostGUI += () => { menu.ShowAsContext(); };
}
clickedPort = null;
e.Use();
///
///ON CANVAS
}
else
{
dragDropMisses++;
if (dragDropMisses == graph.allNodes.Count && clickedPort != null)
{
var cachePort = clickedPort;
clickedPort = null;
DoContextPortConnectionMenu(cachePort, e.mousePosition, zoomFactor);
e.Use();
}
}
}
//Temp connection line when linking
if (clickedPort != null && clickedPort.parent == this)
{
var from = clickedPort.pos;
var to = e.mousePosition;
var xDiff = (from.x - to.x) * 0.8f;
xDiff = to.x > from.x? xDiff : -xDiff;
var tangA = clickedPort is FlowInput || clickedPort is ValueInput? new Vector2(xDiff, 0) : new Vector2(-xDiff, 0);
var tangB = tangA * -1;
Handles.DrawBezier(from, to, from + tangA, to + tangB, new Color(0.5f, 0.5f, 0.8f, 0.8f), null, 3);
}
//Actualy draw the existing connections
for (var i = 0; i < outConnections.Count; i++)
{
var binder = outConnections[i] as BinderConnection;
if (binder != null) //for in case it's MissingConnection
{
var sourcePort = binder.sourcePort;
var targetPort = binder.targetPort;
if (sourcePort != null && targetPort != null)
{
if (fullDrawPass || drawCanvas.Overlaps(RectUtils.GetBoundRect(sourcePort.pos, targetPort.pos)))
{
binder.DrawConnectionGUI(sourcePort.pos, targetPort.pos);
}
}
}
}
}