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Animation.h

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/*
    File:       Animation.h

    Function:   

    Author:     Andrew Willmott

    Copyright:  (c) 2000, Andrew Willmott
*/

#ifndef __Animation__
#define __Animation__

#include "gcl/Avars.h"
#include "gcl/Hermite.h"
#include "gcl/Geometry.h"
#include "cl/Hash.h"

const GCLReal kAutoVel = -999999.0;
const GCLReal kAutoSplitVel = -999998.0;


class AnimRec
// keyframes for a single variable
{
public:
    AnimRec() : currentTimeIndex(-2) {};

    Void            SetupAnim();

    Void            AddKey(GCLReal time, GCLReal value, 
                        GCLReal velIn, GCLReal velOut);

    GCLReal         GetValue(GCLReal time);

    Int             FindTimeIndex(GCLReal time);

    // fields
    ScalarList      keyTimes;
    ScalarList      values;
    ScalarList      velIn;
    ScalarList      velOut;

    Int             currentTimeIndex;
    Cubic           currentCubic;
};

typedef PtrArray<AnimRec> AnimRecList;

class Animation
// holds AnimRecs for all avars being tweaked.
{
public:
    Bool                ParseAnimFile(StrConst filename);

    Void                DumpAvars(GCLReal time, Int frame);
                        // print current avar values
    Void                SetAvarList(scAvarList *avarList, scCamera *itsCamera, GCLReal time);
                        // set scene's avar list according to time

    Void                AddKey(StrConst avarName, GCLReal time, GCLReal value,
                            GCLReal velIn = kAutoVel, GCLReal velOut = kAutoVel);
    GCLReal             GetValue(StrConst avarName, GCLReal time);

    IntHash             avarNames;
    AnimRecList         avarRecs;
    GCLReal             length;
    Int                 quiet;
    Int                 addDash;
    StrConst            tag;
    IndexList           avarMap;
};


#endif

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