/*==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==*/
#include "plAvatar/plPhysicalControllerCore.h"
#include "hsQuat.h"
#define PHYSX_ONLY_TRIGGER_FROM_KINEMATIC 1

class NxController;
class NxCapsuleController;
class NxActor;
class plCoordinateInterface;
class plPhysicalProxy;
class plDrawableSpans;
class hsGMaterial;
class NxCapsule;
class plSceneObject;
class PXControllerHitReportWalk;
class plCollideMsg;
#ifndef PLASMA_EXTERNAL_RELEASE

class plDbgCollisionInfo
{
public:
    plSceneObject *fSO;
    hsVector3 fNormal;
    bool fOverlap;
};
#endif // PLASMA_EXTERNAL_RELEASE
class plPXPhysicalControllerCore: public plPhysicalControllerCore
{
    friend class PXControllerHitReportWalk;
public:
    plPXPhysicalControllerCore(plKey ownerSO, float height, float radius);
    ~plPXPhysicalControllerCore();
    //should actually be a 3 vector but everywhere else it is assumed to be just around  Z 
        
    inline virtual void Move(hsVector3 displacement, unsigned int collideWith, unsigned int &collisionResults);
    // A disabled avatar doesn't move or accumulate air time if he's off the ground.
    virtual void Enable(bool enable);
    
    virtual void SetSubworld(plKey world) ;
    virtual const plCoordinateInterface* GetSubworldCI() const ;
    // For the avatar SDL only
    virtual void GetState(hsPoint3& pos, float& zRot);
    virtual void SetState(const hsPoint3& pos, float zRot);
    // kinematic stuff .... should be just for when playing a behavior...
    virtual void Kinematic(bool state);
    virtual bool IsKinematic();
    virtual void GetKinematicPosition(hsPoint3& pos);
    virtual const hsMatrix44& GetPrevSubworldW2L(){ return fPrevSubworldW2L; }
    //when seeking no longer want to interact with exclusion regions
    virtual void GetWorldSpaceCapsule(NxCapsule& cap) const;
    static void RebuildCache();
    virtual const hsMatrix44& GetLastGlobalLoc(){return  fLastGlobalLoc;}
    virtual void SetKinematicLoc(const hsMatrix44& l2w){ISetKinematicLoc(l2w);}
    virtual void SetGlobalLoc(const hsMatrix44& l2w){ISetGlobalLoc(l2w);}
    virtual void HandleEnableChanged();
    virtual void HandleKinematicChanged();
    virtual void HandleKinematicEnableNextUpdate();
    virtual void GetPositionSim(hsPoint3& pos){IGetPositionSim(pos);}
    virtual void MoveKinematicToController(hsPoint3& pos);
    virtual const hsPoint3& GetLocalPosition(){return fLocalPosition;}
    virtual void SetControllerDimensions(float radius, float height);
    virtual void LeaveAge();
    virtual void UpdateControllerAndPhysicalRep();

//////////////////////////////////////////
//Static Helper Functions
////////////////////////////////////////
    // Used by the LOS mgr to find the controller for an actor it hit
    static plPXPhysicalControllerCore* GetController(NxActor& actor, bool* isController);
    // test to see if there are any controllers (i.e. avatars) in this subworld
    static bool AnyControllersInThisWorld(plKey world);
    static int NumControllers();
    static int GetControllersInThisSubWorld(plKey world, int maxToReturn, 
        plPXPhysicalControllerCore** bufferout);
    static int GetNumberOfControllersInThisSubWorld(plKey world);
    static void UpdatePrestep(float delSecs);
    static void UpdatePoststep(float delSecs);
    static void UpdatePostSimStep(float delSecs);
    virtual plDrawableSpans* CreateProxy(hsGMaterial* mat, hsTArray<uint32_t>& idx, plDrawableSpans* addTo);
#ifndef PLASMA_EXTERNAL_RELEASE
    static bool fDebugDisplay;
#endif // PLASMA_EXTERNAL_RELEASE
    static void SetMaxNumberOfControllers(int max) { fPXControllersMax = max; }
    static int fPXControllersMax;
    virtual int SweepControllerPath(const hsPoint3& startPos, const hsPoint3& endPos, bool vsDynamics, bool vsStatics, uint32_t& vsSimGroups, std::multiset< plControllerSweepRecord >& WhatWasHitOut);
    virtual void BehaveLikeAnimatedPhysical(bool actLikeAnAnimatedPhys);
    virtual bool BehavingLikeAnAnimatedPhysical();
    virtual const hsVector3& GetLinearVelocity();

    virtual void SetLinearVelocity(const hsVector3& linearVel);
    //should actually be a 3 vector but everywhere else it is assumed to be just around  Z 
    virtual void SetAngularVelocity(const float angvel);
    virtual void SetVelocities(const hsVector3& linearVel, float angVel);

protected:
    friend class PXControllerHitReport;
    static plPXPhysicalControllerCore* FindController(NxController* controller);
    void ISetGlobalLoc(const hsMatrix44& l2w);
    void IMatchKinematicToController();
    void IMatchControllerToKinematic();
    void ISetKinematicLoc(const hsMatrix44& l2w);
    void IGetPositionSim(hsPoint3& pos) const;
    void ICreateController();
    void IDeleteController();
    void IInformDetectors(bool entering,bool deferUntilNextSim);
    void ICreateController(const hsPoint3& pos);
    NxActor* fKinematicActor;
    NxCapsuleController* fController;
#ifndef PLASMA_EXTERNAL_RELEASE
    hsTArray<plDbgCollisionInfo> fDbgCollisionInfo;
    void IDrawDebugDisplay();
#endif
    void IHandleResize();
    float fPreferedRadius;
    float fPreferedHeight;
    // The global position and rotation of the avatar last time we set it (so we
    // can detect if someone else moves him)
    plPhysicalProxy* fProxyGen;     
    bool fBehavingLikeAnimatedPhys;
};