CWE-ou-minkata/Sources/Plasma/PubUtilLib/plInterp/hsKeys.h

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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it under the terms of the GNU General Public License as published by
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Additional permissions under GNU GPL version 3 section 7

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*==LICENSE==*/
#ifndef HSKEYS_inc
#define HSKEYS_inc

#include "HeadSpin.h"
#include "hsGeometry3.h"
#include "hsQuat.h"
#include "plTransform/hsAffineParts.h"
#include "hsMatrix33.h"
#include "hsMatrix44.h"

// No virtuals. Keep these nice and lean.
struct hsKeyFrame
{
    // Used by plController to specify which keys it has.
    enum
    {
        kUnknownKeyFrame,
        kPoint3KeyFrame,
        kBezPoint3KeyFrame,
        kScalarKeyFrame,
        kBezScalarKeyFrame,
        kScaleKeyFrame,
        kBezScaleKeyFrame,
        kQuatKeyFrame,
        kCompressedQuatKeyFrame32,
        kCompressedQuatKeyFrame64,
        k3dsMaxKeyFrame,
        kMatrix33KeyFrame,
        kMatrix44KeyFrame,
    };

    uint16_t fFrame;
    static const int kMaxFrameNumber;
};

struct hsPoint3Key : public hsKeyFrame
{
    hsPoint3    fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsPoint3Key *key);
};

struct hsBezPoint3Key : public hsKeyFrame
{
    hsPoint3    fInTan;
    hsPoint3    fOutTan;
    hsPoint3    fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsBezPoint3Key *key);
};

struct hsScalarKey : public hsKeyFrame
{
    float    fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsScalarKey *key);
};

struct hsBezScalarKey : public hsKeyFrame
{
    float    fInTan;
    float    fOutTan;
    float    fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsBezScalarKey *key);
};

struct hsQuatKey : public hsKeyFrame
{
    hsQuat      fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsQuatKey *key);
};

struct hsCompressedQuatKey32 : public hsKeyFrame
{
    enum
    {
        kCompQuatNukeX,
        kCompQuatNukeY,
        kCompQuatNukeZ,
        kCompQuatNukeW,
    };

    static const float kOneOverRootTwo;
    static const float k10BitScaleRange;

    void SetQuat(hsQuat &q);
    void GetQuat(hsQuat &q);

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsCompressedQuatKey32 *key);

protected:
    uint32_t fData;
};

struct hsCompressedQuatKey64 : public hsKeyFrame
{
    enum
    {
        kCompQuatNukeX,
        kCompQuatNukeY,
        kCompQuatNukeZ,
        kCompQuatNukeW,
    };

    static const float kOneOverRootTwo;
    static const float k20BitScaleRange;
    static const float k21BitScaleRange;

    void SetQuat(hsQuat &q);
    void GetQuat(hsQuat &q);

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsCompressedQuatKey64 *key);

protected:
    uint32_t fData[2];
};

struct hsScaleValue : public hsKeyFrame
{
    hsVector3   fS; /* Scale components for x,y,z */
    hsQuat      fQ; /* The axis along which the scale is applied */

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    int operator==(const hsScaleValue& a) const { return (fS == a.fS && fQ == a.fQ); }
};

//
// 
//
struct hsScaleKey : public hsKeyFrame
{
    hsScaleValue    fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsScaleKey *key);
};

struct hsBezScaleKey : public hsKeyFrame
{
    hsPoint3        fInTan;
    hsPoint3        fOutTan;
    hsScaleValue    fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsBezScaleKey *key);
};

struct hsG3DSMaxKeyFrame : public hsKeyFrame
{
    hsAffineParts   fParts;

    void Reset() { fParts.Reset(); }    // Make parts identity

    void Set(hsMatrix44 *mat, uint16_t frame);
    void Set(const hsAffineParts &parts, uint16_t frame);

    hsMatrix44* GetMatrix44(hsMatrix44 *mat) { fParts.ComposeMatrix(mat); return mat; }

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsG3DSMaxKeyFrame *key);
};

struct hsMatrix33Key : public hsKeyFrame
{
    hsMatrix33  fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsMatrix33Key *key);
};

struct hsMatrix44Key : public hsKeyFrame
{
    hsMatrix44  fValue;

    void Read(hsStream *stream);
    void Write(hsStream *stream);

    bool CompareValue(hsMatrix44Key *key);
};

#endif