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/*==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,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plAnimTimeConvert_inc
#define plAnimTimeConvert_inc
#include "pnFactory/plCreatable.h"
#include "hsTemplates.h"
#include "pnNetCommon/plSynchedValue.h"
#pragma warning (disable: 4284)
class plSynchedObject;
class plAnimCmdMsg;
class plEventCallbackMsg;
class plATCEaseCurve;
class plATCState;
class plATCAnim;
class plAGMasterMod;
class plAGAnimInstance;
class plAnimTimeConvert : public plCreatable
{
friend class plAnimTimeConvertSDLModifier;
friend class plAGAnimInstance;
protected:
UInt16 fFlags;
hsScalar fBegin;
hsScalar fEnd;
hsScalar fLoopEnd;
hsScalar fLoopBegin;
hsScalar fSpeed;
hsScalar fCurrentAnimTime;
hsScalar fWrapTime;
double fLastEvalWorldTime;
// Do not change fLastEvalWorldTime anywhere except WorldToAnimTime()
plSynchedObject* fOwner;
double fLastStateChange;
typedef std::list<plATCState *> plATCStateList;
plATCStateList fStates;
hsTArray<hsScalar> fStopPoints;
hsTArray<plEventCallbackMsg*> fCallbackMsgs;
/////////////////////////
// Ease In/Out stuff
plATCEaseCurve *fEaseInCurve;
plATCEaseCurve *fEaseOutCurve;
plATCEaseCurve *fSpeedEaseCurve;
plATCEaseCurve *fCurrentEaseCurve; // One of the above, or nil
//
/////////////////////////
hsScalar fInitialBegin;
hsScalar fInitialEnd;
static hsScalar ICalcEaseTime(const plATCEaseCurve *curve, double start, double end);
void IClearSpeedEase();
void ICheckTimeCallbacks(hsScalar frameStart, hsScalar frameStop);
hsBool ITimeInFrame(hsScalar secs, hsScalar start, hsScalar stop);
void ISendCallback(int i);
plAnimTimeConvert& IStop(double time, hsScalar animTime);
hsBool IIsStoppedAt(const double &wSecs, const UInt32 &flags, const plATCEaseCurve *curve) const;
plAnimTimeConvert& IProcessStateChange(double worldTime, hsScalar animTime = -1);
void IFlushOldStates();
void IClearAllStates();
plATCState *IGetState(double wSecs) const;
plATCState *IGetLatestState() const;
plAnimTimeConvert& SetFlag(UInt8 f, hsBool on) { if(on)fFlags |= f; else fFlags &= ~f; return *this; }
public:
plAnimTimeConvert();
virtual ~plAnimTimeConvert();
void Init(plATCAnim *anim, plAGAnimInstance *instance, plAGMasterMod *master);
CLASSNAME_REGISTER( plAnimTimeConvert );
GETINTERFACE_ANY( plAnimTimeConvert, plCreatable );
void SetOwner(plSynchedObject* o);
const plSynchedObject* GetOwner() const { return fOwner; }
// ALL WorldToAnimTime functions are only valid if called with a time >= fLastEvalWorldTime.
hsBool IsStoppedAt(double wSecs) const;
hsScalar WorldToAnimTime(double wSecs);
hsScalar WorldToAnimTimeNoUpdate(double wSecs) const; // convert time but don't fire triggers or set state
protected:
static hsScalar IWorldToAnimTimeNoUpdate(double wSecs, plATCState *state);
hsScalar IWorldToAnimTimeBeforeState(double wSecs) const;
public:
void SetBegin(hsScalar s) { fBegin = s; }
void SetEnd(hsScalar s) { fEnd = s; }
void SetSpeed(hsScalar goal, hsScalar rate = 0);
void SetLoopPoints(hsScalar begin, hsScalar end) { SetLoopBegin(begin); SetLoopEnd(end); }
void SetLoopBegin(hsScalar s) { fLoopBegin = s; }
void SetLoopEnd(hsScalar s) { fLoopEnd = s; }
void SetEase(hsBool easeIn, UInt8 inType, hsScalar minLength, hsScalar maxLength, hsScalar inLength);
void SetCurrentEaseCurve(int x); // 0=nil, 1=easeIn, 2=easeOut, 3=speed
hsScalar GetBegin() const { return fBegin; }
hsScalar GetEnd() const { return fEnd; }
hsScalar GetLoopBegin() const { return fLoopBegin; }
hsScalar GetLoopEnd() const { return fLoopEnd; }
hsScalar GetSpeed() const { return fSpeed; }
hsTArray<hsScalar> &GetStopPoints() { return fStopPoints; }
hsScalar GetBestStopDist(hsScalar min, hsScalar max, hsScalar norm, hsScalar time) const;
int GetCurrentEaseCurve() const; // returns 0=nil, 1=easeIn, 2=easeOut, 3=speed
void ResizeStates(int cnt);
void ResetWrap();
plAnimTimeConvert& ClearFlags() { fFlags = kNone; return *this; }
hsBool GetFlag(UInt8 f) const { return (fFlags & f) ? true : false; }
plAnimTimeConvert& InitStop(); // Called when initializing an anim that doesn't autostart
plAnimTimeConvert& Stop(hsBool on);
plAnimTimeConvert& Stop(double s = -1.0);
plAnimTimeConvert& Start(double s = -1.0);
plAnimTimeConvert& PlayToTime(hsScalar time);
plAnimTimeConvert& PlayToPercentage(hsScalar percent); // zero to one.
plAnimTimeConvert& Loop(hsBool on);
plAnimTimeConvert& Loop() { return Loop(true); }
plAnimTimeConvert& NoLoop() { return Loop(false); }
plAnimTimeConvert& Backwards(hsBool on);
plAnimTimeConvert& Backwards();
plAnimTimeConvert& Forewards();
hsBool IsStopped() const { return 0 != (fFlags & kStopped); }
hsBool IsLooped() const { return 0 != (fFlags & kLoop); }
hsBool IsBackwards() const { return 0 != (fFlags & kBackwards); }
hsBool IsForewards() const { return !(fFlags & kBackwards); }
double LastEvalWorldTime() const { return fLastEvalWorldTime; }
hsScalar CurrentAnimTime() const { return fCurrentAnimTime; }
void SetCurrentAnimTime(hsScalar s, hsBool jump = false);
virtual void Read(hsStream* s, hsResMgr* mgr);
virtual void Write(hsStream* s, hsResMgr* mgr);
hsBool HandleCmd(plAnimCmdMsg* msg);
void AddCallback(plEventCallbackMsg* pMsg);
void RemoveCallback(plEventCallbackMsg* pMsg);
void ClearCallbacks();
void EnableCallbacks(hsBool val);
enum plAnimTimeFlags {
kNone = 0x0,
kStopped = 0x1,
kLoop = 0x2,
kBackwards = 0x4,
kWrap = 0x8,
kNeedsReset = 0x10,
kEasingIn = 0x20,
kForcedMove = 0x40,
kNoCallbacks = 0x80,
kFlagsMask = 0xff
};
enum plEaseCurveType {
kEaseNone,
kEaseIn,
kEaseOut,
kEaseSpeed,
};
};
// Rules for happy ease curves:
// 1. Any time value between 0 and fLength is kosher.
// 2. Velocity values accepted/returned are in the range [fStartSpeed, fSpeed]
// (some tolerance for values REALLY close to the limit, to account for floating-point inaccuracy)
class plATCEaseCurve : public plCreatable
{
protected:
hsScalar fStartSpeed;
hsScalar fMinLength;
hsScalar fMaxLength;
hsScalar fNormLength;
public:
CLASSNAME_REGISTER( plATCEaseCurve );
GETINTERFACE_ANY( plATCEaseCurve, plCreatable );
double fBeginWorldTime;
hsScalar fLength;
hsScalar fSpeed; // The anim's target ("full") speed.
static plATCEaseCurve *CreateEaseCurve(UInt8 type, hsScalar minLength, hsScalar maxLength, hsScalar normLength,
hsScalar startSpeed, hsScalar goalSpeed);
double GetEndWorldTime() const { return fBeginWorldTime + fLength; }
virtual plATCEaseCurve *Clone() const = 0;
virtual void Read(hsStream *s, hsResMgr *mgr);
virtual void Write(hsStream *s, hsResMgr *mgr);
virtual void RecalcToSpeed(hsScalar startSpeed, hsScalar goalSpeed, hsBool preserveRate = false);
virtual void SetLengthOnRate(hsScalar rate);
virtual void SetLengthOnDistance(hsScalar dist) = 0;
virtual hsScalar PositionGivenTime(hsScalar time) const = 0;
virtual hsScalar VelocityGivenTime(hsScalar time) const = 0;
virtual hsScalar TimeGivenVelocity(hsScalar velocity) const = 0;
virtual hsScalar GetMinDistance();
virtual hsScalar GetMaxDistance();
virtual hsScalar GetNormDistance();
};
class plConstAccelEaseCurve : public plATCEaseCurve
{
public:
plConstAccelEaseCurve();
plConstAccelEaseCurve(hsScalar minLength, hsScalar maxLength, hsScalar length,
hsScalar startSpeed, hsScalar goalSpeed);
CLASSNAME_REGISTER( plConstAccelEaseCurve );
GETINTERFACE_ANY( plConstAccelEaseCurve, plATCEaseCurve );
virtual plATCEaseCurve *Clone() const;
virtual void SetLengthOnDistance(hsScalar dist);
virtual hsScalar PositionGivenTime(hsScalar time) const;
virtual hsScalar VelocityGivenTime(hsScalar time) const;
virtual hsScalar TimeGivenVelocity(hsScalar velocity) const;
};
class plSplineEaseCurve : public plATCEaseCurve
{
public:
plSplineEaseCurve();
plSplineEaseCurve(hsScalar minLength, hsScalar maxLength, hsScalar length,
hsScalar startSpeed, hsScalar goalSpeed);
CLASSNAME_REGISTER( plSplineEaseCurve );
GETINTERFACE_ANY( plSplineEaseCurve, plATCEaseCurve );
virtual void Read(hsStream *s, hsResMgr *mgr);
virtual void Write(hsStream *s, hsResMgr *mgr);
virtual plATCEaseCurve *Clone() const;
virtual void RecalcToSpeed(hsScalar startSpeed, hsScalar goalSpeed, hsBool preserveRate = false);
virtual void SetLengthOnDistance(hsScalar dist);
virtual hsScalar PositionGivenTime(hsScalar time) const;
virtual hsScalar VelocityGivenTime(hsScalar time) const;
virtual hsScalar TimeGivenVelocity(hsScalar velocity) const;
hsScalar fCoef[4];
};
class plATCState
{
public:
plATCState() : fEaseCurve(nil) {}
~plATCState() { delete fEaseCurve; }
void Read(hsStream *s, hsResMgr *mgr);
void Write(hsStream *s, hsResMgr *mgr);
double fStartWorldTime;
hsScalar fStartAnimTime;
UInt8 fFlags;
hsScalar fBegin;
hsScalar fEnd;
hsScalar fLoopBegin;
hsScalar fLoopEnd;
hsScalar fSpeed;
hsScalar fWrapTime;
plATCEaseCurve *fEaseCurve;
};
#endif // plAnimTimeConvert_inc