//-
// ==========================================================================
// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
// rights reserved. 
// 
// The coded instructions, statements, computer programs, and/or related 
// material (collectively the "Data") in these files are provided by Alias 
// Systems Corp. ("Alias") and/or its licensors for the exclusive use of the 
// Customer (as defined in the Alias Software License Agreement that 
// accompanies this Alias software). Such Customer has the right to use, 
// modify, and incorporate the Data into other products and to distribute such 
// products for use by end-users.
//  
// THE DATA IS PROVIDED "AS IS".  ALIAS HEREBY DISCLAIMS ALL WARRANTIES 
// RELATING TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR 
// IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
// ==========================================================================
//+

////////////////////////////////////////////////////////////////////////
//
//		Translate selected objects
//
////////////////////////////////////////////////////////////////////////

#include <maya/MIOStream.h>

#include <maya/MPxCommand.h>
#include <maya/MFnPlugin.h>
#include <maya/MString.h>
#include <maya/MArgList.h>
#include <maya/MGlobal.h>
#include <maya/MSelectionList.h>
#include <maya/MItSelectionList.h>
#include <maya/MPoint.h>
#include <maya/MVector.h>
#include <maya/MDagPath.h>

#include <maya/MItCurveCV.h>
#include <maya/MItSurfaceCV.h>
#include <maya/MItMeshVertex.h>


class translate : public MPxCommand
{
public:
					translate() {};
	virtual			~translate(); 

	MStatus			doIt( const MArgList& args );
	static void*	creator();
};

translate::~translate() {}

void* translate::creator()
{
	return new translate();
}

// If given no arguments, translate all selected objects by 1 unit on
// the X axis.  If 3 double parameters are given, they specify the X,
// Y, and Z components of the vector to translate objects by.
MStatus translate::doIt( const MArgList& args )
{
	MStatus stat;
	MVector 	vector( 1.0, 0.0, 0.0 );

	if ( args.length() == 3 )  {
		unsigned i = 0;
		vector = args.asVector(i,3);
	}

	// Create a selection list iterator
	//
	MSelectionList slist;
	MGlobal::getActiveSelectionList( slist );
	MItSelectionList iter( slist, MFn::kInvalid, &stat );

	if ( MS::kSuccess == stat ) {
		MDagPath 	mdagPath;		// Item dag path
		MObject 	mComponent;		// Current component

		// Translate all selected objects
		//
		for ( ; !iter.isDone(); iter.next() ) 
		{
			// Get path and possibly a component
			//
			iter.getDagPath( mdagPath, mComponent );

			MItCurveCV cvFn( mdagPath, mComponent, &stat );
			if ( MS::kSuccess == stat ) {
				for ( ; !cvFn.isDone(); cvFn.next() ) {
					if ( MS::kFailure == cvFn.translateBy( vector ) ) {
						cerr << "Error setting CV\n";
					}
				}
				cvFn.updateCurve();
			}

			MItSurfaceCV sCvFn( mdagPath, mComponent, true, &stat );
			if ( MS::kSuccess == stat ) {
				for ( ; !sCvFn.isDone(); sCvFn.nextRow() ) {
					for ( ; !sCvFn.isRowDone(); sCvFn.next() ) {
						if ( MS::kFailure == sCvFn.translateBy( vector ) ) {
							cerr << "Error setting CV\n";
						}
					}
				}
				sCvFn.updateSurface();
			}

			MItMeshVertex vtxFn( mdagPath, mComponent, &stat );
			if ( MS::kSuccess == stat ) {
				for ( ; !vtxFn.isDone(); vtxFn.next() ) {
					if ( MS::kFailure == vtxFn.translateBy( vector ) ) {
						cerr << "Error setting Vertex\n";
					}
				}
				vtxFn.updateSurface();
			}

		}
	}
	else {
		cerr << "Error creating selection list iterator\n";
	}
	return MS::kSuccess;
}


//
// The following routines are used to register/unregister
// the command we are creating within Maya
//
MStatus initializePlugin( MObject obj )
{
	MStatus   status;
	MFnPlugin plugin( obj, "Alias", "3.0", "Any");

	status = plugin.registerCommand( "translate", translate::creator );
	if (!status) {
		status.perror("registerCommand");
		return status;
	}

	return status;
}

MStatus uninitializePlugin( MObject obj)
{
	MStatus   status;
	MFnPlugin plugin( obj );

	status = plugin.deregisterCommand( "translate" );
	if (!status) {
		status.perror("deregisterCommand");
		return status;
	}

	return status;
}