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

/*==LICENSE==*

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

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
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 or by snail mail at:
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*==LICENSE==*/
#ifndef HSCONTROLLER_inc
#define HSCONTROLLER_inc

#include "HeadSpin.h"
#include "pnFactory/plCreatable.h"
#include "hsColorRGBA.h"
#include "hsKeys.h"
#include "hsTemplates.h"

class hsResMgr;

struct hsScaleValue;
struct hsScalarKey;
struct hsPoint3Key;
struct hsScalarTriple;
struct hsMatrix33;
struct hsMatrix44;
class hsQuat;
class hsAffineParts;
class plScalarCurve;
class plAnimTimeConvert;
class plCompoundController;

//
//////////////////////////////////////////////////////////////
// base controller class.
// Controllers correspond to Max controllers.
// Some are leaf controllers which actually have keys, these can also have
// multiple ease and multiplier controllers.
// Some are compound controllers, which just contain other (leaf) controllers.
// Leaf controllers have lists of keys (or plCurves which are just wrappers for
// the lists of keys).
//

class plControllerCacheInfo
{
public:
    uint8_t fNumSubControllers;   
    plControllerCacheInfo **fSubControllers;

    uint32_t fKeyIndex;
    plAnimTimeConvert *fAtc;

    plControllerCacheInfo();
    ~plControllerCacheInfo();

    void SetATC(plAnimTimeConvert *atc);
};

//
//////////////////////////////////////////////////////////////
// defines base methods
//
class plController : public plCreatable
{
public:
    CLASSNAME_REGISTER( plController );
    GETINTERFACE_ANY( plController, plCreatable );

    virtual void Interp(float time, float* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsScalarTriple* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsScaleValue* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsQuat* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsMatrix33* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsMatrix44* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsColorRGBA* result, plControllerCacheInfo *cache = nil) const {}
    virtual void Interp(float time, hsAffineParts* parts, plControllerCacheInfo *cache = nil) const {}

    virtual plControllerCacheInfo* CreateCache() const { return nil; } // Caller must handle deleting the pointer.
    virtual float GetLength() const = 0;
    virtual void GetKeyTimes(hsTArray<float> &keyTimes) const = 0;
    virtual bool AllKeysMatch() const = 0;

    // Checks each of our subcontrollers (if we have any) and deletes any that
    // are nothing but matching keys. Returns true if this controller itself
    // is redundant.
    virtual bool PurgeRedundantSubcontrollers() = 0;
};

//////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////

class plLeafController : public plController 
{
    friend class plCompoundController;

protected:
    uint8_t fType;
    void *fKeys; // Need to pay attend to fType to determine what these actually are
    uint32_t fNumKeys;
    mutable uint32_t fLastKeyIdx;

public:
    plLeafController() : fType(hsKeyFrame::kUnknownKeyFrame), fKeys(nil), fNumKeys(0), fLastKeyIdx(0) {}
    virtual ~plLeafController();

    CLASSNAME_REGISTER( plLeafController );
    GETINTERFACE_ANY( plLeafController, plController );

    void Interp(float time, float* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsScalarTriple* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsScaleValue* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsQuat* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsMatrix33* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsMatrix44* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsColorRGBA* result, plControllerCacheInfo *cache = nil) const;

    virtual plControllerCacheInfo* CreateCache() const;
    float GetLength() const;
    uint32_t GetStride() const;

    hsPoint3Key *GetPoint3Key(uint32_t i) const;
    hsBezPoint3Key *GetBezPoint3Key(uint32_t i) const;
    hsScalarKey *GetScalarKey(uint32_t i) const;
    hsBezScalarKey *GetBezScalarKey(uint32_t i) const;
    hsScaleKey *GetScaleKey(uint32_t i) const;
    hsBezScaleKey *GetBezScaleKey(uint32_t i) const;
    hsQuatKey *GetQuatKey(uint32_t i) const;
    hsCompressedQuatKey32 *GetCompressedQuatKey32(uint32_t i) const;
    hsCompressedQuatKey64 *GetCompressedQuatKey64(uint32_t i) const;
    hsG3DSMaxKeyFrame *Get3DSMaxKey(uint32_t i) const;
    hsMatrix33Key *GetMatrix33Key(uint32_t i) const;
    hsMatrix44Key *GetMatrix44Key(uint32_t i) const;

    uint8_t GetType() const { return fType; }
    uint32_t GetNumKeys() const { return fNumKeys; }
    void *GetKeyBuffer() const { return fKeys; }
    void GetKeyTimes(hsTArray<float> &keyTimes) const;
    void AllocKeys(uint32_t n, uint8_t type);
    void QuickScalarController(int numKeys, float* times, float* values, uint32_t valueStrides);
    bool AllKeysMatch() const;
    bool PurgeRedundantSubcontrollers();

    void Read(hsStream* s, hsResMgr* mgr);
    void Write(hsStream* s, hsResMgr* mgr);
};


////////////////////////////////////////////////////////////////////////////////
// NON-LEAF (container) CONTROLLERS
////////////////////////////////////////////////////////////////////////////////
//

class plCompoundController : public plController
{
private:
    plController* fXController;
    plController* fYController;
    plController* fZController;

public:
    plCompoundController(); // allocs leaf controllers
    ~plCompoundController();

    CLASSNAME_REGISTER( plCompoundController );
    GETINTERFACE_ANY( plCompoundController, plController );

    void Interp(float time, hsQuat* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsScalarTriple* result, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsAffineParts* parts, plControllerCacheInfo *cache = nil) const;
    void Interp(float time, hsColorRGBA* result, plControllerCacheInfo *cache = nil) const;

    plControllerCacheInfo* CreateCache() const;
    plController *GetXController() const { return fXController; }
    plController *GetYController() const { return fYController; }
    plController *GetZController() const { return fZController; }
    plController *GetPosController() const { return fXController; }
    plController *GetRotController() const { return fYController; }
    plController *GetScaleController() const { return fZController; }
    plController *GetController(int32_t i) const;
    float GetLength() const;
    void GetKeyTimes(hsTArray<float> &keyTimes) const;
    bool AllKeysMatch() const;
    bool PurgeRedundantSubcontrollers();

    void SetXController(plController *c) { delete fXController; fXController = c; }
    void SetYController(plController *c) { delete fYController; fYController = c; }
    void SetZController(plController *c) { delete fZController; fZController = c; }
    void SetPosController(plController *c) { delete fXController; fXController = c; }
    void SetRotController(plController *c) { delete fYController; fYController = c; }
    void SetScaleController(plController *c) { delete fZController; fZController = c; }
    void SetController(int32_t i, plController* c);

    void Read(hsStream* s, hsResMgr* mgr);
    void Write(hsStream* s, hsResMgr* mgr);
};

#endif