/// <summary>
/// EDITOR: Draw the left connector on the node in the graph
/// </summary>
protected virtual void DrawInput()
{
if (this.input == null)
{
return;
}
Vector2 tempPos = new Vector2(this.nodeRect.x, this.nodeRect.y);
tempPos.x -= this.input.Window.width;
tempPos.y += (this.nodeRect.height / 2);
this.input.Window.position = tempPos;
if (ConnectorTexture == null)
{
ConnectorTexture = EditorGUIUtility.Load("icons/animationkeyframe.png") as Texture2D;
}
GUI.DrawTexture(this.input.Window, ConnectorTexture);
for (int i = 0; i < this.input.ConnectedNodes.Length; i++)
{
AudioNodeOutput tempOutput = this.input.ConnectedNodes[i];
DrawCurve(tempOutput.Center, this.input.Center);
}
}
/// <summary>
/// EDITOR: Add a right connector to the node when it is first created
/// </summary>
protected void AddOutput()
{
this.output = ScriptableObject.CreateInstance <AudioNodeOutput>();
AssetDatabase.AddObjectToAsset(this.output, this);
this.output.name = this.name + "Output";
this.output.ParentNode = this;
}
/// <summary>
/// Perform necessary actions for the left mouse button being pushed this frame
/// </summary>
/// <param name="e">The input event handled in Unity</param>
private void HandleLeftClick(Event e)
{
this.leftButtonDown = true;
this.rightButtonClicked = false;
this.selectedOutput = GetOutputAtPosition(e.mousePosition);
this.selectedNode = GetNodeAtPosition(e.mousePosition);
}
/// <summary>
/// Remove all connections from an output connector
/// </summary>
/// <param name="positionObject"></param>
public void ClearOutput(object positionObject)
{
AudioNodeOutput tempOutput = GetOutputAtPosition((Vector2)positionObject);
for (int i = 0; i < this.selectedEvent.EditorNodes.Count; i++)
{
AudioNode tempNode = this.selectedEvent.EditorNodes[i];
if (tempNode.Input != null)
{
tempNode.Input.RemoveConnection(tempOutput);
}
}
}
/// <summary>
/// Perform necessary actions for the a mouse button being released this frame
/// </summary>
/// <param name="e">The input event handled by Unity</param>
private void HandleMouseUp(Event e)
{
this.leftButtonDown = false;
if (this.rightButtonClicked && !this.hasPanned)
{
this.selectedNode = GetNodeAtPosition(e.mousePosition);
this.selectedOutput = GetOutputAtPosition(e.mousePosition);
AudioNodeInput tempInput = GetInputAtPosition(e.mousePosition);
if (tempInput != null)
{
InputContextMenu(e.mousePosition);
}
else if (this.selectedOutput != null)
{
OutputContextMenu(e.mousePosition);
}
else if (this.selectedNode == null)
{
CanvasContextMenu(e.mousePosition);
}
else
{
ModifyNodeContextMenu(e.mousePosition);
}
}
else
{
if (this.selectedOutput != null)
{
AudioNodeInput hoverInput = GetInputAtPosition(e.mousePosition);
if (hoverInput != null)
{
hoverInput.AddConnection(this.selectedOutput);
}
}
}
this.panGraph = false;
this.hasPanned = false;
this.selectedOutput = null;
this.rightButtonClicked = false;
this.leftButtonDown = false;
}
/// <summary>
/// EDITOR: Clear an output connection
/// </summary>
/// <param name="outputToDelete">Output to disconnect from this input</param>
public void RemoveConnection(AudioNodeOutput outputToDelete)
{
if (outputToDelete == null)
{
return;
}
List <AudioNodeOutput> updatedNodes = new List <AudioNodeOutput>();
for (int i = this.connectedNodes.Length - 1; i >= 0; i--)
{
AudioNodeOutput tempOutput = this.connectedNodes[i];
if (tempOutput != outputToDelete)
{
updatedNodes.Add(tempOutput);
}
}
this.connectedNodes = updatedNodes.ToArray();
}
/// <summary>
/// EDITOR: Connect a new output to this input
/// </summary>
/// <param name="newOutput">The new output to connect</param>
public void AddConnection(AudioNodeOutput newOutput)
{
if (this.forceSingleConnection)
{
AudioNodeOutput[] singleOutput = new AudioNodeOutput[1];
singleOutput[0] = newOutput;
this.connectedNodes = singleOutput;
return;
}
for (int i = 0; i < this.connectedNodes.Length; i++)
{
if (this.connectedNodes[i] == newOutput)
{
return;
}
}
AudioNodeOutput[] newOutputs = new AudioNodeOutput[this.connectedNodes.Length + 1];
this.connectedNodes.CopyTo(newOutputs, 0);
newOutputs[newOutputs.Length - 1] = newOutput;
this.connectedNodes = newOutputs;
EditorUtility.SetDirty(this);
}