/// <summary>
/// Draws the node curves as well as the knobs
/// </summary>
public void DrawConnectors()
{
for (int outCnt = 0; outCnt < Outputs.Count; outCnt++)
{
NodeOutput output = Outputs [outCnt];
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
{
if (output.connections [conCnt] != null)
{
Node_Editor.DrawNodeCurve(output.GetKnob().center,
output.connections [conCnt].GetKnob().center);
}
else
{
output.connections.RemoveAt(conCnt);
}
}
GUI.DrawTexture(output.GetKnob(), Node_Editor.ConnectorKnob);
}
for (int inCnt = 0; inCnt < Inputs.Count; inCnt++)
{
GUI.DrawTexture(Inputs [inCnt].GetKnob(), Node_Editor.ConnectorKnob);
}
}
/// <summary>
/// Draws the node curves as well as the knobs
/// </summary>
public void DrawConnectors()
{
for (int outCnt = 0; outCnt < outputs.Count; outCnt++)
{
NodeOutput output = outputs [outCnt];
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
{
if (output.connections[conCnt] != null)
{
Node_Editor.DrawNodeCurve(output.GetKnob().center, output.connections[conCnt].GetKnob().center);
}
else
{
output.connections.RemoveAt(conCnt);
}
}
GUI.DrawTexture(output.GetKnob(), Node_Editor.ConnectorKnob);
}
for (int inCnt = 0; inCnt < inputs.Count; inCnt++)
{
//GUI.DrawTexture (inputs [inCnt].GetKnob (), Node_Editor.ConnectorKnob);
GUI.DrawTextureWithTexCoords(inputs[inCnt].GetKnob(), Node_Editor.ConnectorKnob, new Rect(1, 0, -1, 1));
}
}
/// <summary>
/// Draws the node curves as well as the knobs
/// </summary>
public void DrawConnectors()
{
for (int outCnt = 0; outCnt < Outputs.Count; outCnt++)
{
NodeOutput output = Outputs [outCnt];
for (int conCnt = 0; conCnt < output.connections.Count; conCnt++)
{
Color lineColor = Color.black;
if (output.connections[conCnt] != null)
{
if (output.connections[conCnt].type == IOtype.ObjectOnly)
{
lineColor = Color.blue;
}
else if (output.connections[conCnt].type == IOtype.ItemOnly)
{
lineColor = Color.green;
}
else if (output.connections[conCnt].type == IOtype.SelectionOnly)
{
lineColor = Color.red;
}
Node_Editor.DrawNodeCurve(output.GetKnob().center, output.connections [conCnt].GetKnob().center, lineColor);
}
else
{
output.connections.RemoveAt(conCnt);
}
}
GUI.DrawTexture(output.GetKnob(), Node_Editor.ConnectorKnob);
}
for (int inCnt = 0; inCnt < Inputs.Count; inCnt++)
{
GUI.DrawTexture(Inputs [inCnt].GetKnob(), Node_Editor.ConnectorKnob);
}
}
/// <summary>
/// Processes input events
/// </summary>
protected void InputEvents()
{
Event e = Event.current;
mousePos = e.mousePosition;
Node clickedNode = null;
if (e.type == EventType.MouseDown || e.type == EventType.MouseUp)
{
clickedNode = NodeAtPosition(e.mousePosition);
}
if (e.type == EventType.Repaint)
{
// Draw background when repainting
Vector2 offset = new Vector2(_nodeCanvas.scrollOffset.x % Background.width - Background.width,
_nodeCanvas.scrollOffset.y % Background.height - Background.height);
int tileX = Mathf.CeilToInt((position.width + (Background.width - offset.x)) / Background.width);
int tileY = Mathf.CeilToInt((position.height + (Background.height - offset.y)) / Background.height);
for (int x = 0; x < tileX; x++)
{
for (int y = 0; y < tileY; y++)
{
Rect texRect = new Rect(offset.x + x * Background.width,
offset.y + y * Background.height,
Background.width, Background.height);
GUI.DrawTexture(texRect, Background);
}
}
}
if (e.type == EventType.MouseDown)
{
activeNode = clickedNode;
connectOutput = null;
if (clickedNode != null)
{
// A click on a node
if (e.button == 1)
{
// Right click -> Node Context Click
GenericMenu menu = new GenericMenu();
menu.AddItem(new GUIContent("Delete Node"), false, ContextCallback, "deleteNode");
menu.ShowAsContext();
e.Use();
}
else if (e.button == 0)
{
/* // Handled by Unity. For new Windowing System
* // Left click -> check for drag on the header and for transition edits, else let it pass for gui elements
* if (new Rect (clickedNode.rect.x, clickedNode.rect.y, clickedNode.rect.width, 40).Contains (mousePos))
* { // We clicked the header, so we'll drag the node
* dragNode = true;
* e.delta = new Vector2 (0, 0);
* }*/
// If a Connection was left clicked, try edit it's transition
NodeOutput nodeOutput = clickedNode.GetOutputAtPos(mousePos);
if (nodeOutput != null)
{ // Output Node -> New Connection drawn from this
connectOutput = nodeOutput;
e.Use();
}
else
{ // no output clicked, check input
NodeInput nodeInput = clickedNode.GetInputAtPos(mousePos);
if (nodeInput != null && nodeInput.connection != null)
{ // Input node -> Loose and edit Connection
connectOutput = nodeInput.connection;
nodeInput.connection.connections.Remove(nodeInput);
nodeInput.connection = null;
RecalculateFrom(clickedNode);
e.Use();
} // Nothing interesting for us in the node clicked, so let the event pass to gui elements
}
}
}
else if (!sideWindowRect.Contains(mousePos))
{
// A click on the empty canvas
if (e.button == 2 || e.button == 0)
{
// Left/Middle Click -> Start scrolling
scrollWindow = true;
e.delta = new Vector2(0, 0);
}
else if (e.button == 1)
{
// Right click -> Editor Context Click
GenericMenu menu = new GenericMenu();
AddRightClickMenuItems(menu);
menu.ShowAsContext();
e.Use();
}
}
}
else if (e.type == EventType.MouseUp)
{
if (connectOutput != null)
{
// Apply a connection if theres a clicked input
if (clickedNode != null && !clickedNode.Outputs.Contains(connectOutput))
{
// If an input was clicked, it'll will now be connected
NodeInput clickedInput = clickedNode.GetInputAtPos(mousePos);
if (Node.CanApplyConnection(connectOutput, clickedInput))
{
// If it can connect (type is equals, it does not cause recursion, ...)
Node.ApplyConnection(connectOutput, clickedInput);
}
}
e.Use();
}
else if (e.button == 2 || e.button == 0)
{
// Left/Middle click up -> Stop scrolling
scrollWindow = false;
}
connectOutput = null;
}
else if (e.type == EventType.KeyDown)
{
if (e.keyCode == KeyCode.N) // Start Navigating (curve to origin)
{
navigate = true;
}
}
else if (e.type == EventType.KeyUp)
{
if (e.keyCode == KeyCode.N) // Stop Navigating
{
navigate = false;
}
}
else if (e.type == EventType.Repaint)
{
if (navigate)
{
// Draw a curve to the origin/active node for orientation purposes
DrawNodeCurve(_nodeCanvas.scrollOffset, (activeNode != null? activeNode.rect.center : e.mousePosition));
Repaint();
}
if (connectOutput != null)
{
// Draw the currently drawn connection
DrawNodeCurve(connectOutput.GetKnob().center, e.mousePosition);
Repaint();
}
}
if (scrollWindow)
{
// Scroll everything with the current mouse delta
_nodeCanvas.scrollOffset += e.delta / 2;
for (int nodeCnt = 0; nodeCnt < _nodeCanvas.nodes.Count; nodeCnt++)
{
_nodeCanvas.nodes [nodeCnt].rect.position += e.delta / 2;
}
Repaint();
}
/* // Handled by Unity. For new Windowing System
* if (dragNode)
* { // Drag the active node with the current mouse delt
* activeNode.rect.position += e.delta / 2;
* Repaint ();
* }*/
}