void OnFocus()
{
//Check what graphs are available.
GraphPaths = GraphEditorUtils.GetAllGraphsInProject();
Func <string, GUIContent> selector = (s => new GUIContent(Path.GetFileNameWithoutExtension(s), s));
graphSelections = GraphPaths.Select(selector).ToArray();
//Keep the same graph selected even when the list of graphs changes.
selectedGraph = GraphPaths.IndexOf((graph == null ? "" : graph.FilePath));
//If this graph was deleted, reset the editor.
if (selectedGraph == -1)
{
unsavedStr = "";
graph = null;
reconnectingOutput = -1;
reconnectingInput = -2;
reconnectingInput_Index = 0;
activeWindowID = -1;
}
NewNodeOptions = NodeOptionsGenerator.GenerateList();
}
private void GUILeftArea()
{
GUILayout.Space(10.0f);
GUILayout.Label("Graphs:");
int oldVal = selectedGraph;
selectedGraph = EditorGUILayout.Popup(selectedGraph, graphSelections);
if (selectedGraph != oldVal)
{
if (ConfirmLoseUnsavedChanges())
{
graph = new Graph(GraphPaths[selectedGraph]);
string err = graph.Load();
CamOffset = graph.OutputPos.position - new Vector2(Mathf.RoundToInt(position.width * 0.5f),
Mathf.RoundToInt(position.height * 0.5f));
if (err.Length > 0)
{
graphParams = new GPUGraph.GraphParamCollection(graph);
Debug.LogError("Error loading graph: " + err);
}
else
{
graphParams = new GraphParamCollection(graph);
}
UpdatePreview();
}
else
{
selectedGraph = oldVal;
}
}
GUILayout.Space(35.0f);
if (GUILayout.Button("New Graph") && ConfirmLoseUnsavedChanges())
{
string savePath = EditorUtility.SaveFilePanelInProject("Choose Graph location",
"MyGraph.gpug", "gpug",
"Choose where to save the graph.");
if (savePath != "")
{
Graph g = new Graph(savePath);
string err = g.Save();
if (err.Length > 0)
{
EditorUtility.DisplayDialog("Error saving new graph",
"Error saving graph " + g.FilePath + ": " + err,
"OK");
}
else
{
graph = g;
CamOffset = graph.OutputPos.position - new Vector2(Mathf.RoundToInt(position.width * 0.5f),
Mathf.RoundToInt(position.height * 0.5f));
GraphPaths = GraphEditorUtils.GetAllGraphsInProject();
NewNodeOptions = NodeOptionsGenerator.GenerateList();
Func <string, GUIContent> selector = (s => new GUIContent(Path.GetFileNameWithoutExtension(s), s));
graphSelections = GraphPaths.Select(selector).ToArray();
selectedGraph = -1;
string toFind = Path.GetFileNameWithoutExtension(graph.FilePath);
for (int i = 0; i < graphSelections.Length; ++i)
{
if (graphSelections[i].text == toFind)
{
selectedGraph = i;
break;
}
}
UpdatePreview();
}
}
}
GUILayout.Space(30.0f);
if (graph != null && unsavedStr.Length > 0)
{
if (GUILayout.Button("Save Changes"))
{
string err = graph.Save();
if (err.Length > 0)
{
Debug.LogError("Error saving graph: " + err);
}
unsavedStr = "";
}
if (GUILayout.Button("Discard Changes"))
{
if (ConfirmLoseUnsavedChanges())
{
string err = graph.Load();
if (err.Length > 0)
{
graphParams = new GPUGraph.GraphParamCollection()
{
FloatParams = new List <GPUGraph.FloatParamInfo>(),
Tex2DParams = new List <GPUGraph.Texture2DParamInfo>(),
};
Debug.LogError("Unable to reload graph: " + err);
}
else
{
graphParams = new GraphParamCollection(graph);
UpdatePreview();
}
}
}
}
else
{
//Leave extra space for the buttons to appear once a change is made.
GUILayout.Space(42.0f);
}
GUILayout.Space(35.0f);
//Noise previewing.
if (graph != null)
{
bool oldAutoUpdate = autoUpdatePreview;
autoUpdatePreview = GUILayout.Toggle(autoUpdatePreview, "Auto-Update Preview");
if (autoUpdatePreview && !oldAutoUpdate)
{
UpdatePreview();
}
if (!autoUpdatePreview)
{
if (GUILayout.Button("Update Preview"))
{
UpdatePreview();
}
}
if (previewNoise != null)
{
//Flip the image vertically for unity GUI.
Rect texR = EditorGUILayout.GetControlRect(GUILayout.Width(previewNoise.width),
GUILayout.Height(previewNoise.height));
EditorGUI.DrawPreviewTexture(texR, previewNoise);
//Draw a slider for the UV.z coordinate.
GUILayout.BeginHorizontal();
{
float oldUVz = uvZ;
GUILayout.Label("UV.z coord:");
GUILayout.Space(10.0f);
GUILayout.Label("0");
uvZ = GUILayout.HorizontalSlider(uvZ, 0.0f, uvZMax, GUILayout.Width(80.0f));
uvZMax = EditorGUILayout.FloatField(uvZMax, GUILayout.Width(25.0f));
GUILayout.FlexibleSpace();
if (oldUVz != uvZ)
{
UpdatePreview(false);
}
}
GUILayout.EndHorizontal();
//Edit parameters.
EditorGUI.BeginChangeCheck();
for (int i = 0; i < graphParams.FloatParams.Count; ++i)
{
var param = graphParams.FloatParams[i];
GUILayout.BeginHorizontal();
GUILayout.Label(param.Name);
if (param.IsSlider)
{
param.DefaultValue =
GUILayout.HorizontalSlider(Mathf.Lerp(param.SliderMin, param.SliderMax,
param.DefaultValue),
param.SliderMin, param.SliderMax,
GUILayout.ExpandWidth(true),
GUILayout.MinWidth(80.0f));
param.DefaultValue = Mathf.InverseLerp(param.SliderMin, param.SliderMax,
param.DefaultValue);
GUILayout.FlexibleSpace();
}
else
{
param.DefaultValue = EditorGUILayout.DelayedFloatField(param.DefaultValue);
}
GUILayout.EndHorizontal();
graphParams.FloatParams[i] = param;
}
for (int i = 0; i < graphParams.Tex2DParams.Count; ++i)
{
var param = graphParams.Tex2DParams[i];
GUILayout.BeginHorizontal();
GUILayout.Label(param.Name);
param.DefaultVal = (Texture2D)EditorGUILayout.ObjectField(param.Name,
param.DefaultVal,
typeof(Texture2D),
false);
GUILayout.EndHorizontal();
graphParams.Tex2DParams[i] = param;
}
if (EditorGUI.EndChangeCheck())
{
UpdatePreview(false);
}
}
}
//Update the title bar as well.
if (graph == null)
{
titleContent = new GUIContent("GPUG Editor");
}
else if (unsavedStr.Length > 0)
{
titleContent = new GUIContent("*" + Path.GetFileNameWithoutExtension(graph.FilePath) + "*");
}
else
{
titleContent = new GUIContent(Path.GetFileNameWithoutExtension(graph.FilePath));
}
}
private void GUILeftArea()
{
GUILayout.Space(10.0f);
GUILayout.Label("Graphs:");
int oldVal = selectedGraph;
selectedGraph = EditorGUILayout.Popup(selectedGraph, graphSelections);
if (selectedGraph != oldVal)
{
if (ConfirmLoseUnsavedChanges())
{
Grph = new Graph(GraphPaths[selectedGraph]);
string err = Grph.Load();
CamOffset = Grph.OutputPos.position - new Vector2(Mathf.RoundToInt(position.width * 0.5f),
Mathf.RoundToInt(position.height * 0.5f));
if (err.Length > 0)
{
Debug.LogError("Error loading graph: " + err);
}
}
else
{
selectedGraph = oldVal;
}
}
GUILayout.Space(35.0f);
if (GUILayout.Button("New Graph") && ConfirmLoseUnsavedChanges())
{
string savePath = EditorUtility.SaveFilePanelInProject("Choose Graph location",
"MyGraph.gpug", "gpug",
"Choose where to save the graph.");
if (savePath != "")
{
Graph g = new Graph(savePath);
string err = g.Save();
if (err.Length > 0)
{
EditorUtility.DisplayDialog("Error saving new graph",
"Error saving graph " + g.FilePath + ": " + err,
"OK");
}
else
{
Grph = g;
CamOffset = Grph.OutputPos.position - new Vector2(Mathf.RoundToInt(position.width * 0.5f),
Mathf.RoundToInt(position.height * 0.5f));
GraphPaths = GraphEditorUtils.GetAllGraphsInProject();
NewNodeOptions = NodeOptionsGenerator.GenerateList();
Func <string, GUIContent> selector = (s => new GUIContent(Path.GetFileNameWithoutExtension(s), s));
graphSelections = GraphPaths.Select(selector).ToArray();
selectedGraph = -1;
string toFind = Path.GetFileNameWithoutExtension(Grph.FilePath);
for (int i = 0; i < graphSelections.Length; ++i)
{
if (graphSelections[i].text == toFind)
{
selectedGraph = i;
break;
}
}
UpdatePreview();
}
}
}
GUILayout.Space(30.0f);
if (Grph != null && unsavedStr.Length > 0)
{
if (GUILayout.Button("Save Changes"))
{
string err = Grph.Save();
if (err.Length > 0)
{
Debug.LogError("Error saving graph: " + err);
}
unsavedStr = "";
}
if (GUILayout.Button("Discard Changes"))
{
if (ConfirmLoseUnsavedChanges())
{
string err = Grph.Load();
if (err.Length > 0)
{
Debug.LogError("Unable to reload graph: " + err);
}
else
{
UpdatePreview();
}
}
}
}
else
{
//Leave extra space for the buttons to appear once a change is made.
GUILayout.Space(42.0f);
}
GUILayout.Space(35.0f);
if (Grph != null)
{
GUILayout.Label("1D Hash:");
string oldHash = Grph.Hash1;
Grph.Hash1 = GUILayout.TextField(Grph.Hash1);
if (oldHash != Grph.Hash1)
{
if (!unsavedStr.Contains("1D hash func"))
{
unsavedStr += "1D hash func, ";
}
if (autoUpdatePreview)
{
UpdatePreview();
}
}
GUILayout.Space(10.0f);
GUILayout.Label("2D Hash:");
oldHash = Grph.Hash2;
Grph.Hash2 = GUILayout.TextField(Grph.Hash2);
if (oldHash != Grph.Hash2)
{
if (!unsavedStr.Contains("2D hash func"))
{
unsavedStr += "2D hash func, ";
}
if (autoUpdatePreview)
{
UpdatePreview();
}
}
GUILayout.Space(10.0f);
GUILayout.Label("3D Hash:");
oldHash = Grph.Hash3;
Grph.Hash3 = GUILayout.TextField(Grph.Hash3);
if (oldHash != Grph.Hash3)
{
if (!unsavedStr.Contains("3D hash func"))
{
unsavedStr += "3D hash func, ";
}
if (autoUpdatePreview)
{
UpdatePreview();
}
}
}
GUILayout.Space(30.0f);
//Noise previewing.
if (Grph != null)
{
bool oldAutoUpdate = autoUpdatePreview;
autoUpdatePreview = GUILayout.Toggle(autoUpdatePreview, "Auto-Update Preview");
if (autoUpdatePreview && !oldAutoUpdate)
{
UpdatePreview();
}
if (!autoUpdatePreview)
{
if (GUILayout.Button("Update Preview"))
{
UpdatePreview();
}
}
if (previewNoise != null)
{
//Flip the image vertically for unity GUI.
Rect texR = EditorGUILayout.GetControlRect(GUILayout.Width(previewNoise.width),
GUILayout.Height(previewNoise.height));
GUI.DrawTextureWithTexCoords(texR, previewNoise, new Rect(0.0f, 1.0f, 1.0f, -1.0f));
}
}
//Update the title bar as well.
if (Grph == null)
{
titleContent = new GUIContent("GPUG Editor");
}
else if (unsavedStr.Length > 0)
{
titleContent = new GUIContent("*" + Path.GetFileNameWithoutExtension(Grph.FilePath) + "*");
}
else
{
titleContent = new GUIContent(Path.GetFileNameWithoutExtension(Grph.FilePath));
}
}
