/// <summary>
/// Draws the node transitions.
/// </summary>
public void DrawTransitions()
{
for (int cnt = 0; cnt < transitions.Count; cnt++)
{
Vector2 StartPoint = transitions[cnt].startNode.rect.center + NodeEditor.curEditorState.zoomPanAdjust;
Vector2 EndPoint = transitions[cnt].endNode.rect.center + NodeEditor.curEditorState.zoomPanAdjust;
NodeEditorGUI.DrawLine(StartPoint, EndPoint, Color.grey, null, 3);
Rect selectRect = new Rect(0, 0, 20, 20);
selectRect.center = Vector2.Lerp(StartPoint, EndPoint, 0.5f);
if (GUI.Button(selectRect, "#"))
{
// TODO: Select
}
}
}
/// <summary>
/// Draws the Node Canvas on the screen in the rect specified by editorState
/// </summary>
public static void DrawSubCanvas(NodeCanvas nodeCanvas, NodeEditorState editorState)
{
if (!editorState.drawing)
{
return;
}
NodeCanvas prevNodeCanvas = curNodeCanvas;
NodeEditorState prevEditorState = curEditorState;
curNodeCanvas = nodeCanvas;
curEditorState = editorState;
if (Event.current.type == EventType.Repaint)
{ // Draw Background when Repainting
GUI.BeginClip(curEditorState.canvasRect);
float width = NodeEditorGUI.Background.width / curEditorState.zoom;
float height = NodeEditorGUI.Background.height / curEditorState.zoom;
Vector2 offset = new Vector2((curEditorState.panOffset.x / curEditorState.zoom) % width - width,
(curEditorState.panOffset.y / curEditorState.zoom) % height - height);
int tileX = Mathf.CeilToInt((curEditorState.canvasRect.width + (width - offset.x)) / width);
int tileY = Mathf.CeilToInt((curEditorState.canvasRect.height + (height - offset.y)) / height);
for (int x = 0; x < tileX; x++)
{
for (int y = 0; y < tileY; y++)
{
Rect texRect = new Rect(offset.x + x * width,
offset.y + y * height,
width, height);
GUI.DrawTexture(texRect, NodeEditorGUI.Background);
}
}
GUI.EndClip();
}
// Check the inputs
InputEvents(curEditorState.ignoreInput);
curEditorState.ignoreInput = new List <Rect> ();
// We're using a custom scale methode, as default one is messing up clipping rect
Rect canvasRect = curEditorState.canvasRect;
curEditorState.zoomPanAdjust = GUIScaleUtility.BeginScale(ref canvasRect, curEditorState.zoomPos, curEditorState.zoom, true);
//GUILayout.Label ("Scaling is Great!"); -> Test by changin the last bool parameter
// ---- BEGIN SCALE ----
// Some features which require drawing (zoomed)
if (curEditorState.navigate)
{ // Draw a curve to the origin/active node for orientation purposes
NodeEditorGUI.DrawLine(curEditorState.activeNode != null? curEditorState.activeNode.rect.center + curEditorState.zoomPanAdjust : curEditorState.panOffset,
ScreenToGUIPos(mousePos) + curEditorState.zoomPos * curEditorState.zoom,
Color.black, null, 3);
if (Repaint != null)
{
Repaint();
}
}
if (curEditorState.connectOutput != null)
{ // Draw the currently drawn connection
NodeOutput output = curEditorState.connectOutput;
DrawConnection(output.GetGUIKnob().center,
output.GetDirection(),
ScreenToGUIPos(mousePos) + curEditorState.zoomPos * curEditorState.zoom,
Vector2.right,
ConnectionTypes.GetTypeData(output.type).col);
if (Repaint != null)
{
Repaint();
}
}
if (curEditorState.makeTransition != null)
{ // Draw the currently made transition
NodeEditorGUI.DrawLine(curEditorState.makeTransition.rect.center + curEditorState.zoomPanAdjust,
ScreenToGUIPos(mousePos) + curEditorState.zoomPos * curEditorState.zoom,
Color.grey, null, 3);
if (Repaint != null)
{
Repaint();
}
}
// Push the active cell at the bottom of the draw order.
if (Event.current.type == EventType.Layout && curEditorState.activeNode != null)
{
curNodeCanvas.nodes.Remove(curEditorState.activeNode);
curNodeCanvas.nodes.Add(curEditorState.activeNode);
}
// Draw the transitions. Has to be called before nodes as transitions originate from node centers
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
curNodeCanvas.nodes [nodeCnt].DrawTransitions();
}
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
curNodeCanvas.nodes [nodeCnt].DrawConnections();
}
// Draw the nodes
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
curNodeCanvas.nodes [nodeCnt].DrawNode();
curNodeCanvas.nodes [nodeCnt].DrawKnobs();
}
// ---- END SCALE ----
// End scaling group
GUIScaleUtility.EndScale();
// Check events with less priority than node GUI controls
LateEvents(curEditorState.ignoreInput);
curNodeCanvas = prevNodeCanvas;
curEditorState = prevEditorState;
}
