/// <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 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>
/// 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>
/// Generates a 3D 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, int depth)
{
//Generate a 3D texture using the graph's shader.
Texture3D t = GenerateToTexture(g, c, width, height, depth, "r", 0.0f, false, true,
TextureFormat.RGBA32);
if (t == null)
{
return(null);
}
//Read the texture data and put it into a 3D array.
Color[] cols = t.GetPixels();
float[,,] vals = new float[width, height, depth];
int i = 0;
for (int z = 0; z < depth; ++z)
{
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
vals[x, y, z] = cols[i++].r;
}
}
}
return(vals);
}
/// <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>
/// <param name="uvZ">The Z coordinate of the UVs, in case the graph uses it for 3D noise.</param>
/// <param name="leaveReadable">
/// Whether the texture's pixel data can still be read from the CPU after this operation.
/// </param>
public static Texture2D GenerateToTexture(Graph g, GraphParamCollection c,
int width, int height, float uvZ,
string outputComponents, float defaultColor,
TextureFormat format = TextureFormat.RGBAFloat,
bool leaveReadable = false)
{
//Generate a shader/material from the graph.
Shader shader = ShaderUtil.CreateShaderAsset(g.GenerateShader("TempGPUNoiseShader",
outputComponents,
defaultColor));
if (shader == null)
{
return(null);
}
Material mat = new Material(shader);
c.SetParams(mat);
mat.SetFloat(GraphUtils.Param_UVz, uvZ);
//Render the shader's output into a render texture and copy the data to a Texture2D.
RenderTexture target = RenderTexture.GetTemporary(width, height, 16,
RenderTextureFormat.ARGBFloat);
Texture2D resultTex = new Texture2D(width, height, format, false, true);
//Generate.
GraphUtils.GenerateToTexture(target, mat, resultTex, leaveReadable);
//Clean up.
RenderTexture.ReleaseTemporary(target);
return(resultTex);
}
/// <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;
}
/// <summary>
/// Generates a 3D texture containing the given graph's noise output.
/// </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>
/// <param name="useMipmaps">Whether the 3D texture object uses mipmapping.</param>
/// <param name="leaveTextureReadable">
/// Whether to let the texture keep a CPU copy of its data on hand for later reading.
/// </param>
public static Texture3D GenerateToTexture(Graph g, GraphParamCollection c,
int width, int height, int depth,
string outputComponents, float defaultColor,
bool useMipmaps, bool leaveTextureReadable,
TextureFormat format = TextureFormat.RGBA32)
{
//Generate a shader/material from the graph.
Shader shader = ShaderUtil.CreateShaderAsset(g.GenerateShader("TempGPUNoiseShader",
outputComponents,
defaultColor));
if (shader == null)
{
return(null);
}
Material mat = new Material(shader);
c.SetParams(mat);
//For every Z layer in the texture, generate a 2D texture representing that layer.
Color32[] finalPixels = new Color32[width * height * depth];
RenderTexture target = RenderTexture.GetTemporary(width, height, 16,
RenderTextureFormat.ARGBFloat);
Texture2D resultTex = new Texture2D(width, height, TextureFormat.RGBAFloat, false, true);
for (int depthI = 0; depthI < depth; ++depthI)
{
//Get the UV.z coordinate.
float uvZ = (float)depthI / depth;
mat.SetFloat(GraphUtils.Param_UVz, uvZ);
GraphUtils.GenerateToTexture(target, mat, resultTex, true);
//Copy the resulting data into part of the 3D texture.
Color32[] layerPixels = resultTex.GetPixels32();
int pixelOffset = depthI * (width * height);
for (int pixelI = 0; pixelI < (width * height); ++pixelI)
{
finalPixels[pixelI + pixelOffset] = layerPixels[pixelI];
}
}
//Create the actual texture object.
Texture3D finalTex = new Texture3D(width, height, depth, format, useMipmaps);
finalTex.SetPixels32(finalPixels);
finalTex.Apply(useMipmaps, !leaveTextureReadable);
//Clean up.
RenderTexture.ReleaseTemporary(target);
return(finalTex);
}
/// <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);
}
/// <summary>
/// Sets this collection's parameter values from the given collection.
/// Ignores parameters that don't exist on this collection.
/// </summary>
public void SetParams(GraphParamCollection from)
{
for (int i = 0; i < FloatParams.Count; ++i)
{
var toParam = FloatParams[i];
var fromParam = from.FindFloatParam(toParam.Name);
if (fromParam.HasValue)
FloatParams[i] = new FloatParamInfo(toParam, fromParam.Value.DefaultValue);
}
for (int i = 0; i < Tex2DParams.Count; ++i)
{
var toParam = Tex2DParams[i];
var fromParam = from.FindTex2DParam(toParam.Name);
if (fromParam.HasValue)
Tex2DParams[i] = new Texture2DParamInfo(toParam.Name, fromParam.Value.DefaultVal);
}
}
/// <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>
/// <param name="uvZ">The Z coordinate of the UVs, in case the graph uses it for 3D noise.</param>
/// <param name="leaveReadable">
/// Whether to leave the texture data readable on the CPU after the operation.
/// </param>
public static Texture2D GenerateToTexture(Graph g, GraphParamCollection c,
int width, int height, float uvZ,
Gradient gradientRamp,
TextureFormat format = TextureFormat.RGBAFloat,
bool leaveReadable = false)
{
//Generate a shader/material from the graph.
Shader shader = ShaderUtil.CreateShaderAsset(g.GenerateShader("TempGPUNoiseShader",
"_MyGradientRamp14123"));
if (shader == null)
{
return(null);
}
Material mat = new Material(shader);
c.SetParams(mat);
mat.SetFloat(GraphUtils.Param_UVz, uvZ);
//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);
mat.SetTexture("_MyGradientRamp14123", myRamp);
//Render the shader's output into a render texture and copy the data to a Texture2D.
RenderTexture target = RenderTexture.GetTemporary(width, height, 16,
RenderTextureFormat.ARGBFloat);
Texture2D resultTex = new Texture2D(width, height, format, false, true);
//Generate.
GraphUtils.GenerateToTexture(target, mat, resultTex, leaveReadable);
//Clean up.
RenderTexture.ReleaseTemporary(target);
return(resultTex);
}
/// <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;
}
/// <summary>
/// Refreshes the list of graphs and makes sure this node is still valid.
/// Returns whether anything changed.
/// </summary>
private bool CheckOutGraphs(bool warnIfNotFound)
{
UpdateGraphPaths();
//See if the current sub-graph being used still exists.
selected = guids.IndexOf(GraphGUID);
if (selected >= 0)
{
Graph g = TryLoadGraph();
if (g == null)
{
selected = -1;
ChangeGraph();
return(true);
}
else
{
//See if the number of inputs changed.
GraphParamCollection gParams = new GraphParamCollection(g);
if (convertParamsToInputs && Inputs.Count != gParams.FloatParams.Count)
{
SetInputsFrom(gParams.FloatParams);
return(true);
}
}
}
else
{
//Couldn't find the sub-graph anymore!
if (warnIfNotFound)
{
Debug.LogWarning("Couldn't find sub-graph at " +
AssetDatabase.GUIDToAssetPath(GraphGUID));
}
selected = -1;
ChangeGraph();
return(true);
}
return(false);
}
/// <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);
}
/// <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;
}
}
//Update/add the params to the RuntimeGraph.
for (int i = 0; i < newFloatParams.Count; ++i)
{
var param = 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));
int found = gR.FloatParams.IndexOf(p => p.Key == newFloatParams[i].Key);
if (found == -1)
{
gR.FloatParams.Add(param);
gR._FloatParams.Add(newFloatParams[i]);
}
else
{
param.Value = gR.FloatParams[found].Value;
gR.FloatParams[found] = param;
gR._FloatParams[found] = 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;
}
}
//Update/add new params to the RuntimeGraph.
for (int i = 0; i < newTex2DParams.Count; ++i)
{
var param = new Tex2DParamKVP(newTex2DParams[i].Key,
newTex2DParams[i].Value.DefaultValue);
int found = gR.Tex2DParams.IndexOf(p => p.Key == newTex2DParams[i].Key);
if (found == -1)
{
gR.Tex2DParams.Add(param);
gR._Tex2DParams.Add(newTex2DParams[i]);
}
else
{
param.Value = gR.Tex2DParams[found].Value;
gR.Tex2DParams[found] = param;
gR._Tex2DParams[found] = newTex2DParams[i];
}
}
}
/// <summary>
/// Refreshes the list of graphs and makes sure this node is still valid.
/// Returns whether anything changed.
/// </summary>
private bool CheckOutGraphs(bool warnIfNotFound)
{
UpdateGraphPaths();
//See if the current sub-graph being used still exists.
selected = guids.IndexOf(GraphGUID);
if (selected >= 0)
{
Graph g = TryLoadGraph();
if (g == null)
{
selected = -1;
ChangeGraph();
return true;
}
else
{
//See if the number of inputs changed.
GraphParamCollection gParams = new GraphParamCollection(g);
if (convertParamsToInputs && Inputs.Count != gParams.FloatParams.Count)
{
SetInputsFrom(gParams.FloatParams);
return true;
}
}
}
else
{
//Couldn't find the sub-graph anymore!
if (warnIfNotFound)
{
Debug.LogWarning("Couldn't find sub-graph at " +
AssetDatabase.GUIDToAssetPath(GraphGUID));
}
selected = -1;
ChangeGraph();
return true;
}
return false;
}
/// <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()
{
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!");
}
}