cgfxShaderCmd.h

#ifndef _cgfxShaderCmd_h_
#define _cgfxShaderCmd_h_
//
// Copyright (C) 2002-2003 NVIDIA 
// 
// File: cgfxShaderCmd.h
//
// MEL Command: cgfxShader
//
// Author: Maya SDK Wizard
//
// Changes:
//  10/2003  Kurt Harriman - www.octopusgraphics.com +1-415-893-1023
//             Multiple UV sets; user-specified texcoord assignment;
//             error handling.
//  12/2003  Kurt Harriman - www.octopusgraphics.com +1-415-893-1023
//           - Added members: fListTechniques, fCaseInsensitive,
//             fDescription, fOldeTechnique, fOldSelection,
//             fNewTechnique, fNodeSelection
//           - Deleted members: fSemantic, fTechnique
//           - Deleted class cgfxShaderCmd::InternalError
//           - Changed: redoCmd(), fDagMod
//           - Use MDGModifier instead of MDagModifier
//
//-
// ==========================================================================
// Copyright 1995,2006,2008 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk
// license agreement provided at the time of installation or download,
// or which otherwise accompanies this software in either electronic
// or hard copy form.
// ==========================================================================
//+
#include "cgfxShaderCommon.h"

#include <maya/MPxCommand.h>
#include <maya/MSyntax.h>
#include <maya/MArgList.h>
#include <maya/MSelectionList.h>
#include <maya/MString.h>
#include <maya/MStringArray.h>
#include <maya/MDGModifier.h>

#include "cgfxAttrDef.h"

#include <Cg/cg.h>
#include <Cg/cgGL.h>

class MArgList;

class cgfxShaderCmd : public MPxCommand
{

public:
        cgfxShaderCmd();
        virtual                         ~cgfxShaderCmd();

        MStatus                         doIt( const MArgList& );
        MStatus                         redoIt();
        MStatus                         undoIt();
        bool                            isUndoable() const;

        static MSyntax          newSyntax();
        static void*            creator();

        static MString      sPluginPath;   // directory path for scripts etc.

private:
        MStatus             doCmd( const MArgList& );
        MStatus             redoCmd( 
                MObject& oNode, 
                MFnDependencyNode& fnNode, 
                cgfxShaderNode* pNode );
        MStatus             undoCmd();

        MStatus                         parseArgs(const MArgList& args,
                MSelectionList& selList);

        // Command line flags 

        MString             fArgString;         // all of the args
        bool                fIsEdit;            // -e   / -edit 
        bool                fIsQuery;           // -q   / -query

        bool                fMaxTexCoords;      // -mtc / -maxTexCoords
        bool                fPluginPath;        // -pp  / -pluginPath  

        bool                fEmptyUV;           // -euv / -emptyUV
        bool                fEmptyUVShapes;     // -eus / -emptyUVShapes
        bool                fListParameters;    // -lp  / -listParameters
        bool                fListTechniques;    // -lt  / -listTechniques
        bool                fTexCoordSource;    // -tcs / -texCoordSource
#if MAYA_API_VERSION >= 700
        bool                fColorSource;       // -cs / -colorSource
#endif

        bool                fCaseInsensitive;   // -ci  / -caseInsensitive   
        bool                fDescription;       // -des / -description   

        // Are we listing a single parameter
        //
        MString                         fParameterName;

        // For undo purposes, save the current state before making changes
        //
        MString                                         fOldFxFile;
        MString                                         fOldTechnique;
        MStringArray                    fOldAttributeList;
        CGeffect                                        fOldEffect;
        cgfxAttrDefList*        fOldAttrDefList;
        MSelectionList    fOldSelection;

        // For redo purposes, save new current state after making changes
        //
        MString                                         fNewFxFile;
        MString                                         fNewTechnique;
        MStringArray                    fNewAttributeList;
        CGeffect                                        fNewEffect;
        cgfxAttrDefList*        fNewAttrDefList;

        // For undo and redo,
        //
        MSelectionList      fNodeSelection;
        MString                         fNodeName;              // Create only
        MDGModifier*        fDagMod;

        // Error reporting
        void reportInternalError( const char* function, size_t errcode );

};

#endif /* _cgfxShaderCmd_h_ */

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