public override void Action(int instanceId, string pathName, string resourceFile)
{
var mixture = CreateMixtureGraphAsset();
mixture.name = Path.GetFileNameWithoutExtension(pathName);
mixture.hideFlags = HideFlags.HideInHierarchy;
AssetDatabase.CreateAsset(mixture, pathName);
// Generate the output texture:
mixture.outputTextures.Clear();
if (mixture.type == MixtureGraphType.Realtime)
{
mixture.UpdateRealtimeAssetsOnDisk();
}
else
{
MixtureGraphProcessor.RunOnce(mixture);
mixture.SaveAllTextures(false);
}
ProjectWindowUtil.ShowCreatedAsset(mixture.mainOutputTexture);
Selection.activeObject = mixture.mainOutputTexture;
EditorApplication.delayCall += () => EditorGUIUtility.PingObject(mixture.mainOutputTexture);
}
public static void RunOnce(MixtureGraph graph)
{
using (var processor = new MixtureGraphProcessor(graph))
{
processor.Run();
}
}
static void BeforeCustomRenderTextureUpdate(CommandBuffer cmd, CustomRenderTexture crt)
{
MixtureGraph graph = MixtureDatabase.GetGraphFromTexture(crt);;
// If the graph is valid and realtime
if (graph != null && graph.type == MixtureGraphType.Realtime)
{
MixtureGraphProcessor.processorInstances.TryGetValue(graph, out var processorSet);
if (processorSet == null)
{
var processor = new MixtureGraphProcessor(graph);
// Relay the event to the processor
processor.BeforeCustomRenderTextureUpdate(cmd, crt);
}
else
{
foreach (var processor in processorSet)
{
// Relay the event to the processor
if (processor.isProcessing == 0)
{
processor.BeforeCustomRenderTextureUpdate(cmd, crt);
}
}
}
}
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (input == null)
{
return(false);
}
if (input.dimension != TextureDimension.Tex2D)
{
return(false);
}
Color32[] colors = null;
cache = new Texture2D(input.width, input.height, settings.GetGraphicsFormat(graph), TextureCreationFlags.None);
cache.filterMode = FilterMode.Point;
if (input is RenderTexture rt)
{
cmd.RequestAsyncReadback(rt, (r) => {
colors = r.GetData <Color32>().ToArray();
});
cmd.WaitAllAsyncReadbackRequests();
MixtureGraphProcessor.AddGPUAndCPUBarrier(cmd);
}
else
{
colors = (input as Texture2D).GetPixels32();
}
var r = new System.Random(42);
points = new MixtureAttributeList();
for (int i = 0; i < colors.Length; i++)
{
float f = (float)r.NextDouble();
var p = colors[i];
float a = (float)p.a / 255.0f;
if (f * a > density)
{
colors[i] = Color.white;
Vector3 position = new Vector3((float)(i % input.width), 0, (Mathf.Floor(i / (float)input.width)));
Vector2 uv = new Vector2(position.x / (float)input.width, position.z / (float)input.height);
points.Add(new MixtureAttribute {
{ "uv", uv },
{ "position", position },
{ "density", p.a }
});
}
else
{
colors[i] = Color.black;
}
}
cache.SetPixels32(colors);
cache.Apply();
return(true);
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd) || input == null)
{
return(false);
}
#if UNITY_2021_2_OR_NEWER
cmd.SetBufferCounterValue(vertices, 0);
#else
cmd.SetComputeBufferCounterValue(vertices, 0);
#endif
// TODO: non pot texture3Ds
cmd.SetComputeVectorParam(computeShader, "_VolumeSize", new Vector4(input.width, input.height, TextureUtils.GetSliceCount(input)));
cmd.SetComputeFloatParam(computeShader, "_VoxelResolution", 1);
cmd.SetComputeFloatParam(computeShader, "_Threshold", threshold);
cmd.SetComputeTextureParam(computeShader, marchingCubes, "_VolumeTexture", input);
cmd.SetComputeBufferParam(computeShader, marchingCubes, "_Vertices", vertices);
cmd.SetComputeBufferParam(computeShader, marchingCubes, "_Normals", normals);
cmd.SetComputeBufferParam(computeShader, marchingCubes, "_Triangles", triangles);
DispatchCompute(cmd, marchingCubes, input.width, input.height, TextureUtils.GetSliceCount(input));
MixtureGraphProcessor.AddGPUAndCPUBarrier(cmd);
ComputeBuffer.CopyCount(vertices, counterReadback, 0);
int[] count = new int[1];
counterReadback.GetData(count);
int vertexCount = count[0] * 3;
// Readback all buffers
Vector3[] vBuffer = new Vector3[vertexCount];
vertices.GetData(vBuffer, 0, 0, vertexCount);
int[] iBuffer = new int[vertexCount];
triangles.GetData(iBuffer, 0, 0, vertexCount);
var mesh = new Mesh {
indexFormat = IndexFormat.UInt32
};
mesh.vertices = vBuffer;
mesh.indexFormat = IndexFormat.UInt32;
// mesh.triangles = iBuffer;
mesh.SetIndices(iBuffer, MeshTopology.Triangles, 0);
mesh.RecalculateBounds();
mesh.RecalculateNormals();
mesh.UploadMeshData(false);
output = new MixtureMesh {
mesh = mesh
};
return(true);
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (input == null || inputPoints == null)
{
return(false);
}
if (input.dimension != TextureDimension.Tex2D)
{
return(false);
}
Color32[] colors = null;
cache = new Texture2D(rtSettings.GetWidth(graph), rtSettings.GetHeight(graph), rtSettings.GetGraphicsFormat(graph), TextureCreationFlags.None);
cache.filterMode = FilterMode.Point;
if (input is RenderTexture rt)
{
cmd.RequestAsyncReadback(rt, (r) => {
colors = r.GetData <Color32>().ToArray();
});
cmd.WaitAllAsyncReadbackRequests();
MixtureGraphProcessor.AddGPUAndCPUBarrier(cmd);
}
else
{
colors = (input as Texture2D).GetPixels32();
}
var r = new System.Random(42);
outputPoints = new MixtureAttributeList();
Color32[] previewColor = new Color32[cache.width * cache.height];
foreach (var attr in inputPoints)
{
// Sample the input texture with points:
if (attr.TryGetValue("uv", out var ouv) && ouv is Vector2 uv)
{
int index = (int)(uv.x * input.width + uv.y * input.height * input.width);
Vector4 color = new Vector4(colors[index].r / 255f, colors[index].g / 255f, colors[index].b / 255f, colors[index].a / 255f);
AddAttribute(attr, uv, color, ref previewColor);
}
outputPoints.Add(attr);
}
cache.SetPixels32(previewColor);
cache.Apply();
return(true);
}
void Initialize()
{
RegisterCallback <KeyDownEvent>(KeyCallback);
processor = new MixtureGraphProcessor(graph);
computeOrderUpdated += processor.UpdateComputeOrder;
graph.onOutputTextureUpdated += () => processor.Run();
graph.onGraphChanges += _ => {
this.schedule.Execute(() => ProcessGraph()).ExecuteLater(10);
MarkDirtyRepaint();
};
// Run the processor when we open the graph
ProcessGraph();
}
void UpdateExposedParameters()
{
parameters.Clear();
bool header = true;
bool showUpdateButton = false;
foreach (var param in graph.exposedParameters)
{
if (param.settings.isHidden)
{
continue;
}
if (header)
{
var headerLabel = new Label("Exposed Parameters");
headerLabel.AddToClassList("Header");
parameters.Add(headerLabel);
header = false;
showUpdateButton = true;
}
VisualElement prop = new VisualElement();
prop.AddToClassList("Indent");
prop.style.display = DisplayStyle.Flex;
Type paramType = Type.GetType(param.type);
var field = FieldFactory.CreateField(paramType, param.serializedValue.value, (newValue) => {
Undo.RegisterCompleteObjectUndo(graph, "Changed Parameter " + param.name + " to " + newValue);
param.serializedValue.value = newValue;
}, param.name);
prop.Add(field);
parameters.Add(prop);
}
if (showUpdateButton)
{
var updateButton = new Button(() => {
MixtureGraphProcessor.RunOnce(graph);
graph.SaveAllTextures(false);
})
{
text = "Update"
};
updateButton.AddToClassList("Indent");
parameters.Add(updateButton);
}
}
void UpdateAllVariantTextures()
{
variant.UpdateAllVariantTextures();
// Update all child variants:
foreach (var child in variant.GetChildVariants())
{
if (child.IsDirty())
{
child.UpdateAllVariantTextures();
}
}
// If the parentGraph is opened in the editor, we don't want to mess with previews
// so we update the parentGraph with the original params again.
if (IsMixtureEditorOpened(graph))
{
MixtureGraphProcessor.RunOnce(graph);
}
}
void Initialize()
{
RegisterCallback <KeyDownEvent>(KeyCallback);
processor = MixtureGraphProcessor.GetOrCreate(graph);
computeOrderUpdated += () => {
processor.UpdateComputeOrder();
UpdateNodeColors();
};
graph.onOutputTextureUpdated += () => ProcessGraph();
graph.onGraphChanges -= ProcessGraphWhenChanged;
graph.onGraphChanges += ProcessGraphWhenChanged;
// Run the processor when we open the graph
ProcessGraph();
SetupRepaintChecker();
}
void Initialize()
{
RegisterCallback <KeyDownEvent>(KeyCallback);
processor = MixtureGraphProcessor.GetOrCreate(graph);
computeOrderUpdated += () => {
processor.UpdateComputeOrder();
UpdateNodeColors();
};
graph.onOutputTextureUpdated += () => ProcessGraph();
bool delayQueued = false;
graph.onGraphChanges += ProcessGraphWhenChanged;
// Run the processor when we open the graph
ProcessGraph();
void ProcessGraphWhenChanged(GraphChanges changes)
{
if (delayQueued)
{
return;
}
if (changes.addedEdge != null || changes.removedEdge != null ||
changes.addedNode != null || changes.removedNode != null || changes.nodeChanged != null)
{
EditorApplication.update += DelayedProcess;
void DelayedProcess()
{
ProcessGraph(changes.nodeChanged ?? changes.addedNode);
MarkDirtyRepaint();
delayQueued = false;
EditorApplication.update -= DelayedProcess;
}
delayQueued = true;
}
}
}
Texture2D ExecuteAndReadback(MixtureGraph graph)
{
// Process the graph andreadback the result
var processor = new MixtureGraphProcessor(graph);
processor.Run();
graph.outputNode.outputTextureSettings.First().enableCompression = false;
var settings = graph.outputNode.rtSettings;
Texture2D destination = new Texture2D(
settings.GetWidth(graph),
settings.GetHeight(graph),
settings.GetGraphicsFormat(graph),
TextureCreationFlags.None
);
graph.ReadbackMainTexture(destination);
// Output the image to a file
return(destination);
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (loopStart == null)
{
Debug.Log("For End node is not connected to a start");
return(false);
}
if (mode == AggregationMode.FeedbackToStartNode)
{
FeedbackInputToStartNode(cmd);
}
// So right now we need to flush the command buffer because we are changing
// the inputs to some potential CRT nodes in the loop, which result in a change
// of material value and because this change is not registered within the command
// buffer, it would cause issues to just change values without flushing the cmd.
// We need to consider either material property blocks or a material pool in the loop
// for these nodes.
MixtureGraphProcessor.AddGPUAndCPUBarrier(cmd);
return(true);
}
void UpdateIsDirtyAndPreview()
{
if (updateNeededInfoBox == null)
{
return;
}
isDirty = variant.IsDirty();
updateNeededInfoBox.style.display = isDirty ? DisplayStyle.Flex : DisplayStyle.None;
if (isDirty)
{
// Copy the result into the inspector preview RT
var output = graph.outputNode.outputTextureSettings.FirstOrDefault(n => n.name == defaultTextureEditor.target.name);
if (output == null)
{
output = graph.outputNode.outputTextureSettings.First();
}
// Refresh the preview in the inspector:
var graphicsFormat = graph.outputNode.settings.GetGraphicsFormat(graph);
var width = graph.outputNode.settings.GetResolvedWidth(graph);
var height = graph.outputNode.settings.GetResolvedHeight(graph);
var depth = graph.outputNode.settings.GetResolvedDepth(graph);
var filterMode = graph.outputNode.settings.GetResolvedFilterMode(graph);
var wrapMode = graph.outputNode.settings.GetResolvedWrapMode(graph);
var dimension = graph.outputNode.settings.GetResolvedTextureDimension(graph);
if (variantPreview.graphicsFormat != graphicsFormat ||
variantPreview.height != height ||
variantPreview.width != width ||
variantPreview.volumeDepth != depth ||
variantPreview.filterMode != filterMode ||
variantPreview.wrapMode != wrapMode ||
variantPreview.dimension != dimension ||
variantPreview.useMipMap != output.hasMipMaps)
{
variantPreview.Release();
variantPreview.graphicsFormat = graphicsFormat;
variantPreview.width = width;
variantPreview.height = height;
variantPreview.volumeDepth = depth;
variantPreview.filterMode = filterMode;
variantPreview.wrapMode = wrapMode;
variantPreview.dimension = dimension;
variantPreview.name = target.name + "*";
variantPreview.useMipMap = output.hasMipMaps;
variantPreview.Create();
}
// Update the texture in the inspector
variant.ProcessGraphWithOverrides();
TextureUtils.CopyTexture(output.finalCopyRT, variantPreview);
// If the parentGraph is opened in the editor, we don't want to mess with previews
// so we update the parentGraph with the original params again.
if (IsMixtureEditorOpened(graph))
{
MixtureGraphProcessor.RunOnce(graph);
}
if (variantPreviewEditor == null || variantPreviewEditor.target != variantPreview)
{
Editor.CreateCachedEditor(variantPreview, renderTextureEditorType, ref variantPreviewEditor);
}
}
}
public ProcessingScope(MixtureGraphProcessor processor)
{
this.processor = processor;
processor.isProcessing++;
}
protected void UpdateExposedParameters()
{
if (root == null)
{
return;
}
if (parameters == null || !root.Contains(parameters))
{
parameters = new VisualElement()
{
name = "ExposedParameters"
};
root.Add(parameters);
}
parameters.Clear();
bool header = true;
bool showUpdateButton = false;
foreach (var param in graph.exposedParameters)
{
if (param.settings.isHidden)
{
continue;
}
if (header)
{
var headerLabel = new Label("Exposed Parameters");
headerLabel.AddToClassList("Header");
parameters.Add(headerLabel);
header = false;
showUpdateButton = true;
}
VisualElement prop = new VisualElement();
prop.AddToClassList("Indent");
prop.style.display = DisplayStyle.Flex;
var p = exposedParameterFactory.GetParameterValueField(param, (newValue) => {
param.value = newValue;
graph.NotifyExposedParameterValueChanged(param);
});
prop.Add(p);
parameters.Add(prop);
}
if (showUpdateButton)
{
var updateButton = new Button(() => {
MixtureGraphProcessor.RunOnce(graph);
graph.SaveAllTextures(false);
graph.UpdateLinkedVariants();
})
{
text = "Update Texture(s)"
};
updateButton.AddToClassList("Indent");
updateButton.AddToClassList("UpdateTextureButton");
parameters.Add(updateButton);
}
}