/// <summary>
/// Generates a texture containing the given graph's noise output.
/// If this is being called very often, create a permanent render target and material and
/// use the other version of this method instead for much better performance.
/// If an error occurred, outputs to the Unity debug console and returns "null".
/// </summary>
/// <param name="outputComponents">
/// The texture output.
/// For example, pass "rgb" or "xyz" to output the noise into the red, green, and blue channels
/// but not the alpha channel.
/// </param>
/// <param name="defaultColor">
/// The color (generally 0-1) of the color components which aren't set by the noise.
/// </param>
public static Texture2D GenerateToTexture(Graph g, GraphParamCollection c, int width, int height,
string outputComponents, float defaultColor,
TextureFormat format = TextureFormat.RGBAFloat)
{
//Generate a shader from the graph and have Unity compile it.
string shaderPath = Path.Combine(Application.dataPath, "gpuNoiseShaderTemp.shader");
Shader shader = SaveShader(g, shaderPath, "TempGPUNoiseShader", outputComponents, defaultColor);
if (shader == null)
{
return null;
}
//Render the shader's output into a render texture and copy the data to a Texture2D.
RenderTexture target = new RenderTexture(width, height, 16, RenderTextureFormat.ARGBFloat);
target.Create();
Texture2D resultTex = new Texture2D(width, height, format, false, true);
//Create the material and set its parameters.
Material mat = new Material(shader);
c.SetParams(mat);
GraphUtils.GenerateToTexture(target, mat, resultTex);
//Clean up.
target.Release();
if (!AssetDatabase.DeleteAsset(StringUtils.GetRelativePath(shaderPath, "Assets")))
{
Debug.LogError("Unable to delete temp file: " + shaderPath);
}
return resultTex;
}
void OnEnable()
{
graphPaths.Clear();
graphPaths = GraphEditorUtils.GetAllGraphsInProject();
Func<string, GUIContent> selector = (gp => new GUIContent(Path.GetFileNameWithoutExtension(gp), gp));
graphNameOptions = graphPaths.Select(selector).ToArray();
this.titleContent = new GUIContent("Texture Gen");
this.minSize = new Vector2(200.0f, 270.0f);
gParams = new GraphParamCollection();
GradientRamp_Colors = new List<Color>() { Color.black, Color.white };
GradientRamp_Times = new List<float>() { 0.0f, 1.0f };
SelectedGraphIndex = 0;
if (graphPaths.Count > 0)
{
Graph g = new Graph(graphPaths[SelectedGraphIndex]);
if (g.Load().Length == 0)
{
gParams = new GraphParamCollection(g);
}
}
}
/// <summary>
/// Gets all parameters from the given collection and recreates them for the given graph.
/// </summary>
public GraphParamCollection(Graph otherG, GraphParamCollection c)
: this(otherG)
{
//Needed for lambdas.
List<FloatParamInfo> myFloatParams = FloatParams;
List<Texture2DParamInfo> myTex2DParams = Tex2DParams;
for (int i = 0; i < FloatParams.Count; ++i)
{
int otherPMIndex = c.FloatParams.FindIndex(param2 => param2.Name == myFloatParams[i].Name);
if (otherPMIndex == -1)
Debug.LogError("Couldn't find an original value for scalar var '" + FloatParams[i].Name + "'");
else
FloatParams[i] = new FloatParamInfo(FloatParams[i],
c.FloatParams[otherPMIndex].DefaultValue);
}
for (int i = 0; i < Tex2DParams.Count; ++i)
{
int otherPMIndex = c.Tex2DParams.FindIndex(param2 => param2.Name == myTex2DParams[i].Name);
if (otherPMIndex == -1)
Debug.LogError("Couldn't find an original value for Tex2D var '" + Tex2DParams[i].Name + "'");
else
Tex2DParams[i] = new Texture2DParamInfo(Tex2DParams[i].Name,
c.Tex2DParams[otherPMIndex].DefaultVal);
}
}
/// <summary>
/// Gets all the parameters in the given Graph.
/// </summary>
public GraphParamCollection(Graph g)
{
Graph gCopy = g.Clone();
gCopy.PreProcess();
FloatParams = new List<FloatParamInfo>();
Tex2DParams = new List<Texture2DParamInfo>();
foreach (Node n in gCopy.Nodes)
{
if (n is ParamNode_Float)
FloatParams.Add(((ParamNode_Float)n).Param);
else if (n is ParamNode_Texture2D)
Tex2DParams.Add(((ParamNode_Texture2D)n).Param);
}
}
/// <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>
/// Generates a 2D grid of noise from the given graph.
/// If an error occurred, outputs to the Unity debug console and returns "null".
/// </summary>
public static float[,] GenerateToArray(Graph g, GraphParamCollection c, int width, int height)
{
Texture2D t = GenerateToTexture(g, c, width, height, "r", 0.0f);
if (t == null)
{
return null;
}
Color[] cols = t.GetPixels();
float[,] vals = new float[width, height];
for (int i = 0; i < cols.Length; ++i)
{
int x = i % width,
y = i / width;
vals[x, y] = cols[i].r;
}
return vals;
}
public Graph Clone(int idOffset = 0)
{
Graph g = new Graph();
g.NextUID = NextUID + idOffset;
g.FilePath = FilePath;
g.Output = Output;
g.OutputPos = OutputPos;
g.Hash1 = Hash1;
g.Hash2 = Hash2;
g.Hash3 = Hash3;
foreach (Node n in nodes)
g.nodes.Add(n.Clone(g, false, idOffset));
foreach (Node n in g.nodes)
g.uidToNode.Add(n.UID, n);
return g;
}
private Graph TryLoadGraph()
{
Graph g = new Graph(GraphGUID, true);
string err = g.Load();
if (err.Length > 0)
{
Debug.LogError("Error opening graph " + g.FilePath + ": " + err);
return null;
}
else
{
return g;
}
}
/// <summary>
/// Saves the shader for the given graph to the given file with the given name.
/// Also forces Unity to immediately recognize and compile the shader
/// so that it can be immediately used after calling this function.
/// If the shader fails to load for some reason, an error is output to the Unity console
/// and "null" is returned.
/// </summary>
/// <param name="gradientRampName">The name of the gradient ramp texture param.</param>
public static Shader SaveShader(Graph g, string filePath, string shaderName,
string gradientRampName)
{
string relativePath = StringUtils.GetRelativePath(filePath, "Assets");
try
{
//Get the shader code.
string shad = g.GenerateShader(shaderName, gradientRampName);
if (shad == null)
{
return null;
}
//Write to the file.
DirectoryInfo dir = new DirectoryInfo(Path.GetDirectoryName(filePath));
if (!dir.Exists)
dir.Create();
File.WriteAllText(filePath, shad);
//Tell Unity to load/compile it.
AssetDatabase.ImportAsset(relativePath, ImportAssetOptions.ForceSynchronousImport);
}
catch (Exception e)
{
Debug.LogError("Error saving/loading shader to/from file: " + e.Message);
}
return AssetDatabase.LoadAssetAtPath<Shader>(relativePath);
}
void OnEnable()
{
wantsMouseMove = true;
Grph = null;
OnFocus();
titleContent = new GUIContent("GPUG Editor");
minSize = new Vector2(OptionsSpace + MinGraphSize.x, MinGraphSize.y);
}
/// <summary>
/// Updates the given RuntimeGraph's params to be consistent with the given GPUGraph.
/// </summary>
private void LoadParams(RuntimeGraph gR, Graph gE)
{
GraphParamCollection paramSet = new GraphParamCollection(gE);
//Get all float params for the graph.
var newFloatParams = new List <RuntimeGraph._SerializableFloatParamKVP>();
foreach (FloatParamInfo fp in paramSet.FloatParams)
{
RuntimeGraph._SerializableFloatParamKVP sfp = new RuntimeGraph._SerializableFloatParamKVP();
sfp.Key = fp.Name;
sfp.Value = new RuntimeGraph._SerializableFloatParamInfo();
sfp.Value.IsSlider = fp.IsSlider;
sfp.Value.SliderMin = fp.SliderMin;
sfp.Value.SliderMax = fp.SliderMax;
sfp.Value.DefaultValue = fp.DefaultValue;
newFloatParams.Add(sfp);
}
//Remove vestigial params from the RuntimeGraph.
for (int i = 0; i < gR.FloatParams.Count; ++i)
{
if (!newFloatParams.Any((kvp) => kvp.Key == gR.FloatParams[i].Key))
{
gR.FloatParams.RemoveAt(i);
gR._FloatParams.RemoveAt(i);
i -= 1;
}
}
//Add new params to the RuntimeGraph.
for (int i = 0; i < newFloatParams.Count; ++i)
{
if (!gR.FloatParams.Any((kvp) => kvp.Key == newFloatParams[i].Key))
{
gR.FloatParams.Add(
new FloatParamKVP(newFloatParams[i].Key,
(newFloatParams[i].Value.IsSlider ?
Mathf.Lerp(newFloatParams[i].Value.SliderMin,
newFloatParams[i].Value.SliderMax,
newFloatParams[i].Value.DefaultValue) :
newFloatParams[i].Value.DefaultValue)));
gR._FloatParams.Add(newFloatParams[i]);
}
}
//Get all Tex2D params for the graph
var newTex2DParams = new List <RuntimeGraph._SerializableTex2DParamKVP>();
foreach (Texture2DParamInfo tp in paramSet.Tex2DParams)
{
RuntimeGraph._SerializableTex2DParamKVP stp = new RuntimeGraph._SerializableTex2DParamKVP();
stp.Key = tp.Name;
stp.Value = new RuntimeGraph._SerializableTex2DParamInfo();
stp.Value.DefaultValue = tp.DefaultVal;
newTex2DParams.Add(stp);
}
//Remove vestigial params from the RuntimeGraph.
for (int i = 0; i < gR.Tex2DParams.Count; ++i)
{
if (!newTex2DParams.Any((kvp) => kvp.Key == gR.Tex2DParams[i].Key))
{
gR.Tex2DParams.RemoveAt(i);
gR._Tex2DParams.RemoveAt(i);
i -= 1;
}
}
//Add new params to the RuntimeGraph.
for (int i = 0; i < newTex2DParams.Count; ++i)
{
if (!gR.Tex2DParams.Any((kvp) => kvp.Key == newTex2DParams[i].Key))
{
gR.Tex2DParams.Add(
new Tex2DParamKVP(newTex2DParams[i].Key,
newTex2DParams[i].Value.DefaultValue));
gR._Tex2DParams.Add(newTex2DParams[i]);
}
}
}
void OnGUI()
{
GUILayout.Space(10.0f);
X = EditorGUILayout.IntField("Width", X);
Y = EditorGUILayout.IntField("Height", Y);
GUILayout.Space(15.0f);
GUILayout.Label("Gradient");
GUILayout.BeginHorizontal();
GUILayout.Space(15.0f);
GUILayout.BeginVertical();
for (int i = 0; i < GradientRamp_Colors.Count; ++i)
{
GUILayout.BeginHorizontal();
GradientRamp_Colors[i] = EditorGUILayout.ColorField(GradientRamp_Colors[i]);
if (i > 0)
GradientRamp_Times[i] = EditorGUILayout.Slider(GradientRamp_Times[i],
0.0f, 1.0f);
if (i > 0 && GUILayout.Button("+"))
{
GradientRamp_Colors.Insert(i, GradientRamp_Colors[i]);
GradientRamp_Times.Insert(i, GradientRamp_Times[i] - 0.00000001f);
}
if (i > 0 && GradientRamp_Colors.Count > 2 && GUILayout.Button("-"))
{
GradientRamp_Colors.RemoveAt(i);
GradientRamp_Times.RemoveAt(i);
i -= 1;
}
GUILayout.EndHorizontal();
if (i > 0 && GradientRamp_Times[i] < GradientRamp_Times[i - 1])
{
GradientRamp_Times[i] = GradientRamp_Times[i - 1] + 0.000001f;
}
else if (i < GradientRamp_Colors.Count - 1 &&
GradientRamp_Times[i] > GradientRamp_Times[i + 1])
{
GradientRamp_Times[i] = GradientRamp_Times[i + 1] - 0.00001f;
}
}
GUILayout.EndVertical();
GUILayout.EndHorizontal();
GUILayout.Space(15.0f);
GUILayout.BeginHorizontal();
GUILayout.Label("Graph:");
int oldIndex = SelectedGraphIndex;
SelectedGraphIndex = EditorGUILayout.Popup(SelectedGraphIndex, graphNameOptions);
if (oldIndex != SelectedGraphIndex)
{
Graph g = new Graph(graphPaths[SelectedGraphIndex]);
if (g.Load().Length == 0)
{
SelectedGraphIndex = oldIndex;
}
else
{
gParams = new GraphParamCollection(g);
}
}
GUILayout.EndHorizontal();
GUILayout.Space(10.0f);
//Show some GUI elements for changing the parameters.
if (graphPaths.Count > 0)
gParams.ParamEditorGUI();
GUILayout.Space(10.0f);
//If a graph is selected, display a button to generate the texture.
if (graphPaths.Count > 0)
{
if (GUILayout.Button("Generate Texture"))
{
string savePath = EditorUtility.SaveFilePanel("Choose where to save the texture.",
Application.dataPath, "MyTex.png", "png");
if (savePath.Length > 0)
{
//Load the graph.
Graph g = new Graph(graphPaths[SelectedGraphIndex]);
if (g.Load().Length > 0)
{
return;
}
//Render the gradient ramp to a texture,
// then render the graph's noise to a texture.
Gradient grd = new Gradient();
grd.SetKeys(GradientRamp_Colors.Select((c, i) =>
new GradientColorKey(c, GradientRamp_Times[i])).ToArray(),
new GradientAlphaKey[] { new GradientAlphaKey(1.0f, 0.0f) });
Texture2D tex = GraphEditorUtils.GenerateToTexture(g, new GraphParamCollection(g, gParams),
X, Y, grd);
if (tex == null)
{
return;
}
//Write out the texture as a PNG.
try
{
File.WriteAllBytes(savePath, tex.EncodeToPNG());
}
catch (Exception e)
{
Debug.LogError("Unable to save texture to file: " + e.Message);
}
//Now that we're finished, clean up.
AssetDatabase.ImportAsset(StringUtils.GetRelativePath(savePath, "Assets"));
//Finally, open explorer to show the user the texture.
if (Application.platform == RuntimePlatform.WindowsEditor)
{
System.Diagnostics.Process.Start("explorer.exe",
"/select," +
StringUtils.FixDirectorySeparators(savePath));
}
else if (Application.platform == RuntimePlatform.OSXEditor)
{
try
{
System.Diagnostics.Process proc = new System.Diagnostics.Process();
proc.StartInfo.FileName = "open";
proc.StartInfo.Arguments = "-n -R \"" +
StringUtils.FixDirectorySeparators(savePath) +
"\"";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardError = false;
proc.StartInfo.RedirectStandardOutput = false;
proc.ErrorDataReceived += (s, a) => Debug.Log(a.Data);
if (proc.Start())
{
proc.BeginErrorReadLine();
proc.BeginOutputReadLine();
}
else
{
Debug.LogError("Error opening Finder to show texture file");
}
}
catch (Exception e)
{
Debug.LogError("Error opening Finder to show texture file: " + e.Message);
}
}
}
}
}
else
{
GUILayout.Space(15.0f);
GUILayout.Label("No graph files detected in the project!");
}
}
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((Grph == null ? "" : Grph.FilePath));
//If this graph was deleted, reset the editor.
if (selectedGraph == -1)
{
unsavedStr = "";
Grph = null;
reconnectingOutput = -1;
reconnectingInput = -2;
reconnectingInput_Index = 0;
activeWindowID = -1;
}
NewNodeOptions = NodeOptionsGenerator.GenerateList();
}
/// <summary>
/// Generates a new node identical to this one, including the UID,
/// but with a different graph owner.
/// </summary>
public Node Clone(Graph newOwner, bool addToOwner, int idOffset = 0)
{
Node n = MakeClone();
n.UID = UID + idOffset;
n.Owner = newOwner;
n.Pos = Pos;
n.Inputs = Inputs.ToList();
n.InputNames = InputNames.ToList();
n.InputDefaultVals = InputDefaultVals.ToList();
for (int i = 0; i < n.Inputs.Count; ++i)
if (!n.Inputs[i].IsAConstant)
n.Inputs[i] = new NodeInput(n.Inputs[i].NodeID + idOffset);
if (addToOwner)
newOwner.AddNode(this);
return n;
}
/// <summary>
/// Generates a texture containing the given graph's noise output.
/// If this is being called very often, create a permanent render target and material and
/// use the other version of this method instead for much better performance.
/// If an error occurred, outputs to the Unity debug console and returns "null".
/// </summary>
/// <param name="gradientRampName">The name of the gradient ramp texture param.</param>
public static Texture2D GenerateToTexture(Graph g, GraphParamCollection c, int width, int height,
Gradient gradientRamp,
TextureFormat format = TextureFormat.RGBAFloat)
{
//Generate a shader from the graph and have Unity compile it.
string shaderPath = Path.Combine(Application.dataPath, "gpuNoiseShaderTemp.shader");
Shader shader = SaveShader(g, shaderPath, "TempGPUNoiseShader", "_MyGradientRamp14123");
if (shader == null)
{
return null;
}
//Generate a texture from the gradient.
Texture2D myRamp = new Texture2D(1024, 1, TextureFormat.RGBA32, false);
Color[] cols = new Color[myRamp.width];
for (int i = 0; i < cols.Length; ++i)
cols[i] = gradientRamp.Evaluate((float)i / (float)(cols.Length - 1));
myRamp.SetPixels(cols);
myRamp.Apply(false, true);
//Render the shader's output into a render texture and copy the data to a Texture2D.
RenderTexture target = new RenderTexture(width, height, 16, RenderTextureFormat.ARGBFloat);
target.Create();
Texture2D resultTex = new Texture2D(width, height, format, false, true);
//Create the material and set its parameters.
Material mat = new Material(shader);
mat.SetTexture("_MyGradientRamp14123", myRamp);
c.SetParams(mat);
GraphUtils.GenerateToTexture(target, mat, resultTex);
//Clean up.
target.Release();
if (!AssetDatabase.DeleteAsset(StringUtils.GetRelativePath(shaderPath, "Assets")))
{
Debug.LogError("Unable to delete temp file: " + shaderPath);
}
return resultTex;
}
void OnGUI()
{
useRed = GUILayout.Toggle(useRed, "Use Red?");
useGreen = GUILayout.Toggle(useGreen, "Use Green?");
useBlue = GUILayout.Toggle(useBlue, "Use Blue?");
useAlpha = GUILayout.Toggle(useAlpha, "Use Alpha?");
if (!useRed && !useGreen && !useBlue && !useAlpha)
{
useRed = true;
}
unusedColor = EditorGUILayout.FloatField("Unused color value", unusedColor);
GUILayout.Space(10.0f);
int oldIndex = selectedGraphIndex;
selectedGraphIndex = EditorGUILayout.Popup(selectedGraphIndex, graphNameOptions);
if (oldIndex != selectedGraphIndex)
{
Graph g = new Graph(graphPaths[selectedGraphIndex]);
string err = g.Load();
if (err.Length > 0)
{
selectedGraphIndex = oldIndex;
Debug.LogError("Error reading graph: " + err);
}
}
GUILayout.Space(10.0f);
GUILayout.BeginHorizontal();
GUILayout.Label("Shader name:");
shaderName = GUILayout.TextField(shaderName);
GUILayout.EndHorizontal();
if (graphPaths.Count > 0)
{
if (GUILayout.Button("Generate Shader"))
{
string savePath = EditorUtility.SaveFilePanel("Choose where to save the shader.",
Application.dataPath,
"MyNoiseShader.shader", "shader");
if (savePath.Length > 0)
{
Graph g = new Graph(graphPaths[selectedGraphIndex]);
if (g.Load().Length == 0)
{
string outComponents = "";
if (useRed)
outComponents += "r";
if (useGreen)
outComponents += "g";
if (useBlue)
outComponents += "b";
if (useAlpha)
outComponents += "a";
GraphEditorUtils.SaveShader(g, savePath, shaderName,
outComponents, unusedColor);
}
}
}
}
else
{
GUILayout.Space(25.0f);
GUILayout.Label("No graph files detected in the project!");
}
EditorGUILayout.Space();
}
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));
}
}
