public Graph()
{
Hash1 = ShaderDefs.DefaultHash1;
Hash2 = ShaderDefs.DefaultHash2;
Hash3 = ShaderDefs.DefaultHash3;
Output = new NodeInput(0.5f);
OutputPos = new Rect(200.0f, 0.0f, 100.0f, 50.0f);
}
//Serialization code:
public Graph(SerializationInfo info, StreamingContext context)
{
NextUID = info.GetInt32("NextUID");
Output = (NodeInput)info.GetValue("Output", typeof(NodeInput));
float posX = info.GetSingle("OutputPosX"),
posY = info.GetSingle("OutputPosY"),
sizeX = info.GetSingle("OutputSizeX"),
sizeY = info.GetSingle("OutputSizeY");
OutputPos = new Rect(posX, posY, sizeX, sizeY);
Hash1 = info.GetString("Hash1");
Hash2 = info.GetString("Hash2");
Hash3 = info.GetString("Hash3");
int nNodes = info.GetInt32("NNodes");
for (int i = 0; i < nNodes; ++i)
{
nodes.Add((Node)info.GetValue("Node" + i.ToString(), typeof(Node)));
}
}
/// <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;
}
public void RemoveNode(Node n)
{
nodes.Remove(n);
uidToNode.Remove(n.UID);
n.Owner = null;
//Remove any connections to the node.
if (!Output.IsAConstant && Output.NodeID == n.UID)
Output = new NodeInput(0.5f);
foreach (Node n2 in nodes)
for (int i = 0; i < n2.Inputs.Count; ++i)
if (!n2.Inputs[i].IsAConstant && n.UID == n2.Inputs[i].NodeID)
n2.Inputs[i] = new NodeInput(n2.GetInputDefaultValue(i));
}
/// <summary>
/// Re-loads this graph from its file-path, effectively wiping out any changes to it.
/// Returns an error message, or an empty string if nothing went wrong.
/// </summary>
public string Load()
{
IFormatter formatter = new BinaryFormatter();
Stream s = null;
Graph g = null;
try
{
s = new FileStream(FilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
g = (Graph)formatter.Deserialize(s);
}
catch (System.Exception e)
{
return "Error opening/reading file: " + e.Message;
}
finally
{
if (s != null)
s.Close();
}
NextUID = g.NextUID;
Hash1 = g.Hash1;
Hash2 = g.Hash2;
Hash3 = g.Hash3;
Output = g.Output;
OutputPos = g.OutputPos;
nodes = g.nodes;
uidToNode = g.uidToNode;
foreach (Node n in nodes)
n.Owner = this;
foreach (Node n in nodes)
n.OnGraphLoaded();
return "";
}
/// <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);
}
public Graph()
{
Output = new NodeInput(0.5f);
OutputPos = new Rect(200.0f, 0.0f, 100.0f, 50.0f);
}