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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 plLineFollowMod_inc
#define plLineFollowMod_inc
#include "../pnModifier/plMultiModifier.h"
#include "hsGeometry3.h"
#include "hsMatrix44.h"
class plAnimPath;
class plSceneObject;
class plStereizer;
class plListenerMsg;
class plLineFollowMod : public plMultiModifier
{
public:
enum FollowMode {
kFollowObject,
kFollowListener,
kFollowCamera,
kFollowLocalAvatar,
};
enum RefType {
kRefParent,
kRefObject,
kRefStereizer
};
enum {
kNone = 0x0,
kFullMatrix = 0x1,
kOffsetFeet = 0x2,
kOffsetAng = 0x4,
kOffset = kOffsetFeet | kOffsetAng,
kOffsetClamp = 0x8,
kForceToLine = 0x10,
kSpeedClamp = 0x20,
kSearchPosPop = 0x40 // Temp flag, gets set every time the target pops in position
};
protected:
FollowMode fFollowMode;
UInt16 fFollowFlags;
plAnimPath* fPath;
plSceneObject* fPathParent;
plSceneObject* fRefObj;
mutable hsPoint3 fSearchPos;
hsTArray<plStereizer*> fStereizers;
hsScalar fTanOffset;
hsScalar fOffset;
hsScalar fOffsetClamp;
hsScalar fSpeedClamp;
virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty);
virtual hsBool IGetSearchPos();
virtual void ISetTargetTransform(int iTarg, const hsMatrix44& tgtXfm);
virtual void ISetPathTransform();
virtual hsBool IGetTargetTransform(hsPoint3& searchPos, hsMatrix44& tgtXfm);
virtual hsBool IOffsetTargetTransform(hsMatrix44& tgtXfm);
virtual hsMatrix44 ISpeedClamp(plCoordinateInterface* ci, const hsMatrix44& unclTgtXfm);
hsMatrix44 IInterpMatrices(const hsMatrix44& m0, const hsMatrix44& m1, hsScalar parm);
void ICheckForPop(const hsPoint3& oldPos, const hsPoint3& newPos);
void ISetupStereizers(const plListenerMsg* listMsg);
void IUnRegister();
void IRegister();
public:
plLineFollowMod();
~plLineFollowMod();
CLASSNAME_REGISTER( plLineFollowMod );
GETINTERFACE_ANY( plLineFollowMod, plMultiModifier );
virtual void Read(hsStream* stream, hsResMgr* mgr);
virtual void Write(hsStream* stream, hsResMgr* mgr);
// Export time stuff
void SetPath(plAnimPath* path);
const plAnimPath* GetPath() const { return fPath; }
void SetFollowMode(FollowMode f);
FollowMode GetFollowMode() const { return fFollowMode; }
hsBool HasOffsetFeet() const { return 0 != (fFollowFlags & kOffsetFeet); }
hsBool HasOffsetDegrees() const { return 0 != (fFollowFlags & kOffsetAng); }
hsBool HasOffset() const { return 0 != (fFollowFlags & kOffset); }
hsBool HasOffsetClamp() const { return 0 != (fFollowFlags & kOffsetClamp); }
hsBool HasSpeedClamp() const { return 0 != (fFollowFlags & kSpeedClamp); }
void SetOffsetFeet(hsScalar f);
hsScalar GetOffsetFeet() const { return fOffset; }
void SetOffsetDegrees(hsScalar f);
hsScalar GetOffsetDegrees() const { return hsScalarRadToDeg(fOffset); }
void SetOffsetClamp(hsScalar f);
hsScalar GetOffsetClamp() const { return fOffsetClamp; }
void SetForceToLine(hsBool on);
hsBool GetForceToLine() const { return 0 != (fFollowFlags & kForceToLine); }
void SetSpeedClamp(hsScalar feetPerSec);
hsScalar GetSpeedClamp() const { return fSpeedClamp; }
hsBool MsgReceive(plMessage* msg);
virtual void AddTarget(plSceneObject* so);
virtual void RemoveTarget(plSceneObject* so);
void AddStereizer(const plKey& sterKey);
void RemoveStereizer(const plKey& sterKey);
};
class plRailCameraMod : public plLineFollowMod
{
public:
plRailCameraMod();
~plRailCameraMod();
CLASSNAME_REGISTER( plRailCameraMod );
GETINTERFACE_ANY( plRailCameraMod, plLineFollowMod );
void Init() { fCurrentTime = -1; } // twiddle ourselves so we get ready to go...
hsPoint3 GetGoal(double secs, hsScalar speed);
protected:
virtual void ISetTargetTransform(int iTarg, const hsMatrix44& tgtXfm) {fDesiredMatrix = tgtXfm;}
virtual hsBool IGetTargetTransform(hsPoint3& searchPos, hsMatrix44& tgtXfm);
hsMatrix44 fDesiredMatrix;
hsScalar fCurrentTime;
hsScalar fTargetTime;
hsPoint3 fGoal;
hsBool fFarthest;
};
#endif // plLineFollowMod_inc