public void AddInputSocket(DynamicSocket definition)
{
if (inputSockets == null)
{
inputSockets = new List <DynamicSocket>();
}
inputSockets.Add(definition);
}
public void AddOutputSocket(DynamicSocket definition)
{
if (outputSockets == null)
{
outputSockets = new List <DynamicSocket>();
}
outputSockets.Add(definition);
}
private DynamicSocket GetDynamicSocket(string name)
{
DynamicSocket ret = null;
if (inputSockets != null)
{
ret = inputSockets
.Where((d) => d.SocketName == name).FirstOrDefault();
}
if (ret == null && outputSockets != null)
{
ret = outputSockets
.Where((d) => d.SocketName == name).FirstOrDefault();
}
return(ret);
}
void OnGUI()
{
Tooltip = null;
// Make the box texture opaque
if (boxTexture == null)
{
if (EditorGUIUtility.isProSkin)
{
// Make a copy of the old texture
var oldTex = GUI.skin.box.normal.background;
var tmp = RenderTexture.GetTemporary(oldTex.width, oldTex.height);
Graphics.Blit(oldTex, tmp);
RenderTexture previous = RenderTexture.active;
RenderTexture.active = tmp;
boxTexture = new Texture2D(oldTex.width, oldTex.height);
boxTexture.ReadPixels(new Rect(0, 0, tmp.width, tmp.height), 0, 0);
RenderTexture.active = previous;
RenderTexture.ReleaseTemporary(tmp);
// Remove alpha
var colors = boxTexture.GetPixels();
for (int i = 0; i < colors.Length; ++i)
{
// Pro background color is RGB(64, 64, 64)
colors[i].r = 0.2196f + (colors[i].r * colors[i].a);
colors[i].g = 0.2196f + (colors[i].g * colors[i].a);
colors[i].b = 0.2196f + (colors[i].b * colors[i].a);
colors[i].a = 1;
}
boxTexture.SetPixels(colors);
boxTexture.Apply();
}
else
{
boxTexture = GUI.skin.box.normal.background;
}
}
if (flatTexture == null)
{
flatTexture = new Texture2D(1, 1);
flatTexture.filterMode = FilterMode.Point;
flatTexture.SetPixels(new Color[1] {
Color.white
});
flatTexture.Apply();
}
rectCache = rectCache ?? new Dictionary <Socket, Rect>();
rectCache.Clear();
autoRepaintOnSceneChange = true;
wantsMouseMove = true;
Offset = new Vector2(
Mathf.RoundToInt(Offset.x),
Mathf.RoundToInt(Offset.y)
);
var graphRect = GetGraphRect();
var mousePos = Event.current.mousePosition;
GraphPosition = new Vector2(
mousePos.x - graphRect.xMin - Offset.x,
-mousePos.y + graphRect.yMin + Offset.y
);
// Top Toolbar
var toolbarHeight = Vector2.up * TOOLBAR_HEIGHT;
var topToolbarRect = new Rect(position);
topToolbarRect.position = Vector2.zero;
topToolbarRect.size -= new Vector2(10, 0);
topToolbarRect.height = toolbarHeight.y;
XGUI.ResetToStyle(null);
XGUI.BeginArea(new Rect(0, 0, position.width - 10, TOOLBAR_HEIGHT));
XGUI.BeginHorizontal();
var oldGraph = Graph;
XGUI.ResetToStyle(null);
XGUI.BeginVertical();
XGUI.FlexibleSpace();
Graph = XGUI.ObjectField(Graph, false);
if (Graph != oldGraph)
{
CenterView();
}
XGUI.FlexibleSpace();
XGUI.EndVertical();
XGUI.FlexibleSpace();
XGUI.ResetToStyle(GUI.skin.button);
if (XGUI.Button("Variables"))
{
VariablesEditor.Launch(this);
}
XGUI.EndHorizontal();
XGUI.EndArea();
// Bottom Toolbar
XGUI.ResetToStyle(null);
XGUI.BeginArea(new Rect(0, position.size.y - TOOLBAR_HEIGHT, position.width - 10, TOOLBAR_HEIGHT));
XGUI.BeginHorizontal();
XGUI.ResetToStyle(GUI.skin.button);
XGUI.Enabled = Graph != null;
snap = XGUI.ToggleButton(snap, "Snap");
XGUI.ResetToStyle(GUI.skin.button);
XGUI.Enabled = Graph != null;
if (XGUI.Button("Center View"))
{
CenterView();
}
XGUI.FlexibleSpace();
if (graphRect.Contains(mousePos))
{
XGUI.ResetToStyle(GUI.skin.label);
XGUI.Alignment = TextAnchor.MiddleRight;
XGUI.Label(
string.Format("{0}, {1}", GraphPosition.x, GraphPosition.y),
XGUI.ExpandHeight(true));
}
XGUI.EndHorizontal();
XGUI.EndArea();
// Draw the graph
{
XGUI.ResetToStyle(null);
XGUI.BackgroundColor = Skin.canvasColor;
XGUI.Normal.background = flatTexture;
XGUI.Box(graphRect);
// Make the clipping window for the graph
graphRect.position += Vector2.one * GRAPH_PADDING;
graphRect.size -= Vector2.one * GRAPH_PADDING * 2;
XGUI.ResetToStyle(null);
XGUI.BeginClip(graphRect);
// Draw the graph
var gridRect = new Rect(Vector2.zero, graphRect.size);
DrawGrid(gridRect);
if (Graph != null && Graph.Nodes != null)
{
// Make a copy since nodes may reorder the list when drawn
var nodes = new List <Node>(Graph.Nodes);
// Draw nodes
foreach (var node in nodes)
{
NodeEditor.DrawNode(this, node);
}
// Draw links
if (Target is Socket)
{
var socket = (Socket)Target;
if (rectCache.ContainsKey(socket))
{
DrawConnection(rectCache[socket].center,
Event.current.mousePosition,
socket.IsInput(Graph), true,
Skin.tempLinkColor);
}
}
foreach (var link in Graph.Links)
{
if (!rectCache.ContainsKey(link.FromSocket) ||
!rectCache.ContainsKey(link.ToSocket))
{
continue;
}
var from = rectCache[link.FromSocket].center;
var to = rectCache[link.ToSocket].center;
var socketType = link.FromSocket.GetSocketType(Graph);
var color = Skin.objectSocketColor;
if (socketType == typeof(ExecType))
{
color = Skin.execSocketColor;
}
if (socketType.IsPrimitive)
{
color = Skin.primitiveSocketColor;
}
if (search.IsOpen)
{
color = Skin.TintColor(color, Skin.disabledSocketTint);
}
DrawConnection(from, to, false, false, color);
}
}
// Draw Tooltip
if (Tooltip != null)
{
Tooltip.OnGUI();
}
// Search box
search.OnGUI(this);
GUI.EndClip();
}
if (Graph == null)
{
CenterViewOn(Vector2.zero);
var menuRect = new Rect();
menuRect.size = new Vector2(300, 200);
menuRect.center = graphRect.center;
GUI.Box(menuRect, GUIContent.none);
GUILayout.BeginArea(menuRect);
GUILayout.FlexibleSpace();
GUILayout.BeginHorizontal(GUILayout.Height(150));
GUILayout.FlexibleSpace();
GUILayout.BeginVertical(GUILayout.Width(250));
GUILayout.FlexibleSpace();
GUILayout.BeginHorizontal();
var size = GUI.skin.label.fontSize;
var alignment = GUI.skin.label.alignment;
GUI.skin.label.fontSize = 20;
GUI.skin.label.alignment = TextAnchor.MiddleCenter;
GUILayout.Label("Leylines");
GUI.skin.label.fontSize = size;
GUI.skin.label.alignment = alignment;
GUILayout.EndHorizontal();
GUILayout.FlexibleSpace();
GUILayout.BeginVertical(GUILayout.Height(130));
var rich = GUI.skin.label.richText;
GUI.skin.label.richText = true;
GUI.skin.label.alignment = TextAnchor.MiddleCenter;
GUILayout.Label("<b>No Graph Loaded</b>");
GUI.skin.label.richText = rich;
GUI.skin.label.alignment = alignment;
GUILayout.EndVertical();
GUILayout.EndVertical();
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
GUILayout.FlexibleSpace();
GUILayout.EndArea();
}
switch (Event.current.type)
{
case EventType.MouseDown:
Target = this;
GUI.FocusControl(null);
Event.current.Use();
break;
case EventType.MouseDrag:
if (Graph == null)
{
break;
}
if (ReferenceEquals(Target, this))
{
Offset += Event.current.delta;
Event.current.Use();
}
break;
case EventType.MouseUp:
if (ReferenceEquals(Target, this))
{
Target = null;
GUI.FocusControl(null);
}
if (Target != null && Target.GetType() == typeof(Socket))
{
var clipPos = Event.current.mousePosition;
clipPos.y -= topToolbarRect.size.y + GRAPH_PADDING;
var socket = (Socket)Target;
if (socket.IsInput(Graph))
{
search.SetWantedOutputContext(this, socket);
}
else
{
search.SetWantedInputContext(this, socket);
}
search.Open(clipPos, GraphPosition, Graph.Policy, true);
Target = search;
GUI.FocusControl("search_field");
Event.current.Use();
}
if (Event.current.button == 1 && Graph != null)
{
if (graphRect.Contains(Event.current.mousePosition))
{
var clipPos = Event.current.mousePosition;
clipPos.y -= topToolbarRect.size.y + GRAPH_PADDING;
search.UnsetContext();
search.Open(clipPos, GraphPosition, Graph.Policy);
Target = search;
GUI.FocusControl("search_field");
Event.current.Use();
}
}
break;
case EventType.DragUpdated:
if (DragAndDrop.objectReferences.Length == 1)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
}
else
{
DragAndDrop.visualMode = DragAndDropVisualMode.Rejected;
}
Event.current.Use();
break;
case EventType.DragPerform:
if (DragAndDrop.objectReferences.Length == 1)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
DragAndDrop.AcceptDrag();
var obj = DragAndDrop.objectReferences[0];
var type = obj.GetType();
var node = CreateInstance <DynamicNode>();
var socket = new DynamicSocket(type.Name, type, type.Name,
SocketFlags.AllowMultipleLinks | SocketFlags.Editable);
socket.SocketValue = obj;
node.DisplayName = obj.GetType().Name;
node.AddOutputSocket(socket);
AddNode(node, GraphPosition);
}
else
{
DragAndDrop.visualMode = DragAndDropVisualMode.Rejected;
}
Event.current.Use();
break;
}
Repaint();
if (GUI.changed && Graph != null && !Graph.Equals(null))
{
EditorUtility.SetDirty(Graph);
}
}