Revista do CD-ROM 101/CD-ROM 101.iso/compl/maya5ple/Install_MayaPLE5_English.exe/Maya/Data1.cab/getCopyAnimCurveCommands.mel

Text File | 2003-07-17 | 4.8 KB | 136 lines

// Copyright (C) 1997-2002 Alias|Wavefront,
// a division of Silicon Graphics Limited.
//
// The information in this file is provided for the exclusive use of the
// licensees of Alias|Wavefront.  Such users have the right to use, modify,
// and incorporate this code into other products for purposes authorized
// by the Alias|Wavefront license agreement, without fee.
//
// ALIAS|WAVEFRONT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
// INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
// EVENT SHALL ALIAS|WAVEFRONT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
// CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
// DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
//
//
//  Alias|Wavefront Script File
//  MODIFY THIS AT YOUR OWN RISK
//
//  Creation Date:  July 20, 1999
//  Author:         mm
//
//    Procedure Name:
//        getCopyAnimCurveCommands
//
//    Description:
//        This is a helper proc which will return a string array of
//    the commands necessary to copy an animCurve
//
//  Input Arguments:
//        string $animCurve        The name of the object
//
//  Return Value:
//      string array of commands to create a copy of the animCurve
//

global proc string[]
getCopyAnimCurveCommands (string $animCurve)
{
    string $commands[];
    int $entry = 0;

    // Make sure we are trying to copy an animCurve
    //
    if (!isAnimCurve ($animCurve)) {
        return ($commands);
    }

    // Set the proper units
    //
    string $angleUnits = `currentUnit -query -angle`;
    string $linearUnits = `currentUnit -query -linear`;
    string $timeUnits = `currentUnit -query -time`;
    $commands[$entry++] = "string $angleUnits = `currentUnit -query -angle`;";
    $commands[$entry++] = "string $linearUnits = `currentUnit -query -linear`;";
    $commands[$entry++] = "string $timeUnits = `currentUnit -query -time`;";
    $commands[$entry++] = (
        "currentUnit -angle " + $angleUnits +
        " -linear " + $linearUnits +
        " -time " + $timeUnits +
        ";"
    );

    // Create the animCurve
    //
    $commands[$entry++] = ("string $animCurve = `createNode " + `nodeType $animCurve` + "`;");

    // Set weighted/unweighted tangents
    //
    int $weightedTangents[] = `keyTangent -query -weightedTangents $animCurve`;
    $commands[$entry++] = ("keyTangent -edit -weightedTangents " + $weightedTangents[0] + ";");

    // Set infinity types
    //
    int $infinity = `getAttr ($animCurve + ".preInfinity")`;
    $commands[$entry++] = ("setAttr ($animCurve + \".preInfinity\") " + $infinity + ";");
    $infinity = `getAttr ($animCurve + ".postInfinity")`;
    $commands[$entry++] = ("setAttr ($animCurve + \".postInfinity\") " + $infinity + ";");

    // Set each of the keys
    //
    int $numKeys = `keyframe -query -keyframeCount $animCurve`;
    float $time[] = `keyframe -query -timeChange $animCurve`;
    float $value[] = `keyframe -query -valueChange $animCurve`;
    int $breakdown[] = `keyframe -query -breakdown $animCurve`;
    string $inTangentType[] = `keyTangent -query -inTangentType $animCurve`;
    string $outTangentType[] = `keyTangent -query -outTangentType $animCurve`;
    int $lock[] = `keyTangent -query -lock $animCurve`;
    int $weightLock[] = `keyTangent -query -weightLock $animCurve`;
    for ($key = 0; $key < $numKeys; $key++) {
        $commands[$entry++] = (
            "setKeyframe -time " + $time[$key] +
            " -value " + $value[$key] +
            " -breakdown " + $breakdown[$key] +
            ($inTangentType[$key] == "fixed" ? "" : " -inTangentType " + $inTangentType[$key]) +
            ($outTangentType[$key] == "fixed" ? "" : " -outTangentType " + $outTangentType[$key]) +
            " $animCurve;"
        );
        if ($inTangentType[$key] == "fixed") {
            float $inAngle[] = `keyTangent -index $key -query -inAngle $animCurve`;
            float $inWeight[] = `keyTangent -index $key -query -inWeight $animCurve`;
            $commands[$entry++] = (
                "keyTangent -edit -index " + $key +
                " -inTangentType fixed" +
                " -inAngle " + $inAngle[0] +
                " -inWeight " + $inWeight[0] +
                " $animCurve;"
            );
        }
        if ($outTangentType[$key] == "fixed") {
            float $outAngle[] = `keyTangent -index $key -query -outAngle $animCurve`;
            float $outWeight[] = `keyTangent -index $key -query -outWeight $animCurve`;
            $commands[$entry++] = (
                "keyTangent -edit -index " + $key +
                " -outTangentType fixed" +
                " -outAngle " + $outAngle[0] +
                " -outWeight " + $outWeight[0] +
                " $animCurve;"
            );
        }
        $commands[$entry++] = (
            "keyTangent -edit -index " + $key +
            " -lock " + $lock[$key] +
            ($weightedTangents[0] ? " -weightLock " + $weightLock[$key] : "") +
            " $animCurve;"
        );
    }

    // Restore the original units
    //
    $commands[$entry++] = "currentUnit -angle $angleUnits -linear $linearUnits -time $timeUnits;";

    return ($commands);
}