first submit

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Custom for Visual Studio
+*.cs     diff=csharp
+*.sln    merge=union
+*.csproj merge=union
+*.vbproj merge=union
+*.fsproj merge=union
+*.dbproj merge=union
+
+# Standard to msysgit
+*.doc	 diff=astextplain
+*.DOC	 diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot  diff=astextplain
+*.DOT  diff=astextplain
+*.pdf  diff=astextplain
+*.PDF	 diff=astextplain
+*.rtf	 diff=astextplain
+*.RTF	 diff=astextplain

.gitignore

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+#################
+## Eclipse
+#################
+
+*.pydevproject
+.project
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.classpath
+.settings/
+.loadpath
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# CDT-specific
+.cproject
+
+# PDT-specific
+.buildpath
+
+
+#################
+## Visual Studio
+#################
+
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+build/
+[Bb]in/
+[Oo]bj/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.scc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+*.ncrunch*
+.*crunch*.local.xml
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+*.pubxml
+
+# NuGet Packages Directory
+## TODO: If you have NuGet Package Restore enabled, uncomment the next line
+#packages/
+
+# Windows Azure Build Output
+csx
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+*.pfx
+*.publishsettings
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+#############
+## Windows detritus
+#############
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac crap
+.DS_Store
+
+
+#############
+## Python
+#############
+
+*.py[co]
+
+# Packages
+*.egg
+*.egg-info
+dist/
+build/
+eggs/
+parts/
+var/
+sdist/
+develop-eggs/
+.installed.cfg
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+
+#Translations
+*.mo
+
+#Mr Developer
+.mr.developer.cfg

CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8)
+
+################
+# mudbox 
+set (MUDBOXSDK_DIR "C:/Program Files/Autodesk/Mudbox 2014/SDK")
+set (MUDBOXSDK_INC_DIR ${MUDBOXSDK_DIR}/include)
+set (MUDBOXSDK_QT_INC_DIR
+	${MUDBOXSDK_INC_DIR}/QtCore
+	${MUDBOXSDK_INC_DIR}/QtGui
+	${MUDBOXSDK_INC_DIR}/QtOpenGL
+)
+set (MUDBOXSDK_LIB_DIR ${MUDBOXSDK_DIR}/lib)
+set (MUDBOXSDK_LIB 
+	cg.lib
+	cgGL.lib
+	EdgeBleeding.lib
+	MapExtractor.lib
+	MapExtractorAPI.lib
+	MudboxFramework.lib
+	phonon4.lib	
+	QtCore4.lib
+	QtGui4.lib	
+	QtNetwork4.lib	
+	QtOpenGL4.lib
+	QtScript4.lib
+	QtSql4.lib
+	QtSvg4.lib
+	QtWebKit4.lib
+	QtXml4.lib
+	UVlessPainting.lib
+)
+
+include_directories ("${MUDBOXSDK_INC_DIR}" ${MUDBOXSDK_QT_INC_DIR})
+link_directories (   "${MUDBOXSDK_LIB_DIR}") 	
+
+
+################
+# 
+project (Mudbox_custom_plugin_LayerOps)
+
+set (PLUGIN_NAME Mudbox_custom_plugin_LayerOps)
+
+set(SRC 
+	PluginMain.cpp	
+
+	LayerCleaner.h
+	LayerCleaner.cpp
+
+)
+
+add_library(${PLUGIN_NAME} SHARED ${SRC})
+
+target_link_libraries(
+    ${PLUGIN_NAME}
+
+	${MUDBOXSDK_LIB}
+)

LayerCleaner.cpp

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+#include <QtCore/QObject> // include this before mudbox headers.
+#include <Mudbox/mudbox.h>  
+#include "LayerCleaner.h"
+
+using namespace mudbox;
+
+void CleanSculptLayers()
+{
+	// traver all the geometries.
+	for (unsigned int iG = 0; iG < Kernel()->Scene()->GeometryCount(); ++iG)
+	{
+		Geometry *pG = Kernel()->Scene()->Geometry(iG);
+		if (!pG)
+			continue;
+
+		Store<Mesh *> aMeshes; 
+		Store<LayerMeshData *> aLayers;
+
+		// go through all the sculpt layers of this geometry,
+		// they may lock to different levels though. 
+		const unsigned int iLayerCount = pG->LayerCount();
+		for (unsigned int iL = 0; iL < iLayerCount; ++iL)
+		{
+			LayerMeshData *pLayer = pG->LayerData(iL); 
+			if (!pLayer)
+				continue;
+
+			Mesh *pMesh = pLayer->Mesh(); pMesh; 
+			aMeshes.Add(pLayer->Mesh());
+			aLayers.Add(pLayer);			 
+		} 						   
+
+		SubdivisionLevel *pActiveLevel = pG->ActiveLevel();
+		for (unsigned int i = 0; i < aLayers.ItemCount(); ++i)
+		{
+			if (!aMeshes[i])
+				continue;
+
+			// sculpt layer can only be removed from the active level 
+			// and this active level is the layer locked to.
+			pG->ChangeActiveLevel(dynamic_cast<SubdivisionLevel *>(aMeshes[i]));
+			aMeshes[i]->RemoveLayer(aLayers[i]);
+
+			// update the mesh renderer.
+			aMeshes[i]->ContentChanged();
+			MeshRenderer *pR = NULL;
+			for (unsigned int r = 0; pR = aMeshes[i]->ChildByClass<MeshRenderer>(r); ++r)
+			{
+				pR->OnMeshChange(MeshRenderer::changeVertexPosition);
+				pR->OnVertexPositionChange(-1, -1);
+			}
+		}
+		pG->ChangeActiveLevel(pActiveLevel); 
+		pG->ContentChanged();
+	}
+	Kernel()->ViewPort()->Redraw();
+	Kernel()->Interface()->RefreshUI();
+} 

LayerCleaner.h

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+#ifndef LAYERCLEANER_H
+#define LAYERCLEANER_H
+
+
+void CleanSculptLayers();
+
+#endif // LAYERCLEANER_H

PluginMain.cpp

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+#include <QtCore/QObject> // include this before mudbox headers.
+#include <Mudbox/mudbox.h>  
+
+#include "LayerCleaner.h"  
+
+using namespace mudbox;
+
+void Initializer();
+void MenuItemHandler_RemoveLayers();
+
+static const char *sPluginName = "CustomLayerOp";
+static const char *sPluginDescription = "some custom layer operations";
+static const char *sPluginAuthorName = "";
+static const char *sPluginURL = "";
+// Register this plugin. The "Initializer" method will be called when the plugin is loaded.
+MB_PLUGIN( sPluginName, sPluginDescription, sPluginAuthorName, sPluginURL, Initializer );
+
+// This function will be called then the plugin is loaded.
+void Initializer(void)
+{
+	// Add a menu entry for this operation.																												 
+	Kernel()->Interface()->AddCallbackMenuItem( mudbox::Interface::menuMesh, QString::null, QObject::tr("Remove all the sculpt layers"), MenuItemHandler_RemoveLayers);
+}
+
+void MenuItemHandler_RemoveLayers()
+{
+	CleanSculptLayers();
+}