CWE-ou-minkata/Sources/Plasma/FeatureLib/pfCamera/plCameraModifier.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/>.

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 plCameraModifier_inc
#define plCameraModifier_inc

#include "pnModifier/plSingleModifier.h"
#include "hsBitVector.h"
#include "hsGeometry3.h"
#include "hsTemplates.h"

class plPipeline;
class plKey;
class plCameraBrain1;
class plCameraMsg;
struct CamTrans
{
    // used when creating default track transitions at runtime
    CamTrans(plKey to)
    {
        fTransTo = to;

        fAccel = 60.0f;
        fDecel = 60.0f;
        fVelocity = 60.0f;
        fPOADecel = 60.0f;
        fPOAAccel = 60.0f;
        fPOAVelocity = 60.0f;

        fCutPos = false;
        fCutPOA = false;
        fIgnore = false;
    }
    plKey       fTransTo;

    hsBool  fCutPos;
    hsBool  fCutPOA;
    hsBool  fIgnore;
    hsScalar fAccel;
    hsScalar fDecel;
    hsScalar fVelocity;
    hsScalar fPOAAccel;
    hsScalar fPOADecel;
    hsScalar fPOAVelocity;

};

class plCameraModifier1 : public plSingleModifier
{
    enum
    {
        kRefBrain,
        kRefCut,
        kRefTrack,
        kRefCallbackMsg,
    };
protected:

    void Output();
    virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty) { return true; }
        
public:
    
    plCameraModifier1();
    virtual ~plCameraModifier1();

    CLASSNAME_REGISTER( plCameraModifier1 );
    GETINTERFACE_ANY( plCameraModifier1, plSingleModifier );

    virtual hsBool MsgReceive(plMessage* msg);

    void        Initialize();
    virtual void Update();

    virtual void AddTarget(plSceneObject* so);

    void    SetBrain(plCameraBrain1* brain) { fBrain = brain; }

    plCameraBrain1* GetBrain()      { return fBrain;}

    hsPoint3        GetTargetPos() { return fFrom; }    
    hsPoint3        GetTargetPOA() { return fAt; }  
    hsPoint3        GetSubworldPos() { return fLastSubPos; }    
    hsPoint3        GetSubworldPOA() { return fLastSubPOA; }    

    
    void            SetTransform(hsPoint3 at);
    void            SetTargetPos(hsPoint3 pos) { fFrom = pos; }
    void            SetTargetPOA(hsPoint3 pos) { fAt = pos; }
    void            SetSubworldPos(hsPoint3 pos) { fLastSubPos = pos; }
    void            SetSubworldPOA(hsPoint3 pos) { fLastSubPOA = pos; }
    hsScalar        GetFOVw() { return fFOVw; }
    hsScalar        GetFOVh() { return fFOVh; }
    void            SetFOVw(hsScalar f, hsBool fUpdateVCam = true); 
    void            SetFOVh(hsScalar f, hsBool fUpdateVCam = true); 
    hsBool          GetInSubworld() { return fInSubLastUpdate; }
    void            InSubworld(hsBool b) { fInSubLastUpdate = b; }
    virtual void Read(hsStream* stream, hsResMgr* mgr);
    virtual void Write(hsStream* stream, hsResMgr* mgr);
    void AddTrans(CamTrans* t) { fTrans.Append(t); }
    int  GetNumTrans() { return fTrans.Count(); }
    CamTrans* GetTrans(int i) { return fTrans[i]; }
    void SetSubject(plSceneObject* pObj); 
    plSceneObject* GetSubject();

    virtual void Push(hsBool recenter = true); 
    virtual void Pop(); 

    virtual hsBool  GetFaded();
    virtual hsBool  SetFaded(hsBool b);

    hsBool  IsAnimated() { return fAnimated; }
    void SetAnimCommands(hsBool a, hsBool b, hsBool c)  { fStartAnimOnPush = a; fStopAnimOnPop = b; fResetAnimOnPop = c; }

private:
    hsPoint3                fFrom;
    hsPoint3                fAt;
    plCameraBrain1*         fBrain; // the 'logic' portion of the camera
    hsTArray<CamTrans*>     fTrans;
    plSceneObject*          fSubObj;
    hsScalar                fFOVw;
    hsScalar                fFOVh;
    hsTArray<plMessage*>    fMessageQueue;
    hsTArray<plCameraMsg*>  fFOVInstructions;
    hsBool                  fAnimated, fStartAnimOnPush, fStopAnimOnPop, fResetAnimOnPop;
    hsPoint3                fLastSubPos;
    hsPoint3                fLastSubPOA;
    hsBool                  fInSubLastUpdate;
    hsBool                  fUpdateBrainTarget; // sometimes our target isn't loaded yet, so wait to update the brain til later
};



#endif plCameraModifier_inc