/// <summary>
/// Returns an expession that evaluates to what this input represents.
/// </summary>
public string GetExpression(Graph g)
{
if (IsAConstant)
{
if (float.IsNaN(ConstantValue))
{
return "0.0";
}
else
{
return ConstantValue.ToCodeString();
}
}
else
{
return g.GetNode(nodeID).OutputName;
}
}
/// <summary>
/// Returns an expession that evaluates to what this input represents.
/// </summary>
public string GetExpression(Graph g)
{
if (IsAConstant)
{
if (float.IsNaN(ConstantValue))
{
return("0.0");
}
else
{
return(ConstantValue.ToCodeString());
}
}
else
{
return(g.GetNode(nodeID).OutputName);
}
}
/// <summary>
/// Runs the GUI display window for this node.
/// Returns what happened.
/// </summary>
/// <param name="clickedInput">
/// If the user clicked an input,
/// the index of that input will be stored in this variable.
/// </param>
/// <param name="isSelected">
/// If this node's output was previously selected, pass -1.
/// If an input was selected, pass the index of that input.
/// Otherwise, pass anything else.
/// </param>
public GUIResults OnGUI(ref int clickedInput, int isSelected)
{
GUIResults result = GUIResults.Nothing;
GUILayout.BeginHorizontal();
GUILayout.BeginVertical();
for (int i = 0; i < Inputs.Count; ++i)
{
GUILayout.BeginHorizontal();
GUILayout.Label(InputNames[i]);
//Button to select input.
string buttStr = (isSelected == i ? "x" : "X");
if (GUILayout.Button(buttStr))
{
result = GUIResults.ClickInput;
clickedInput = i;
}
//If this input is a constant, expose a text box to edit it.
if (Inputs[i].IsAConstant)
{
float newVal = EditorGUILayout.FloatField(Inputs[i].ConstantValue);
if (AreFloatsDifferent(newVal, Inputs[i].ConstantValue))
{
result = GUIResults.Other;
Inputs[i] = new NodeInput(newVal);
}
}
//Otherwise, expose a button to release the connection.
else
{
Rect otherPos = Owner.GetNode(Inputs[i].NodeID).Pos;
Vector2 endPos = new Vector2(otherPos.xMax, otherPos.yMin + OutputHeight) - Pos.min;
GUIUtil.DrawLine(new Vector2(0.0f, TitleBarHeight + ((float)i * InputSpacing)),
endPos, 2.0f, Color.white);
if (GUILayout.Button("Disconnect"))
{
Inputs[i] = new NodeInput(InputDefaultVals[i]);
result = GUIResults.Other;
}
}
GUILayout.EndHorizontal();
}
if (CustomGUI())
{
result = GUIResults.Other;
}
GUILayout.EndVertical();
GUILayout.FlexibleSpace();
GUILayout.BeginVertical();
//Output button.
if (GUILayout.Button(isSelected == -1 ? "o" : "O"))
{
result = GUIResults.ClickOutput;
}
GUILayout.EndVertical();
GUILayout.EndHorizontal();
//"Duplicate" button.
GUILayout.BeginHorizontal();
if (GUILayout.Button("Duplicate"))
{
result = GUIResults.Duplicate;
}
GUILayout.FlexibleSpace();
//"Delete" button.
if (GUILayout.Button("Delete"))
{
result = GUIResults.Delete;
}
GUILayout.EndHorizontal();
return(result);
}