/*
 * Copyright 2008 Haiku Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 */

/*
        Copyright 1999, Be Incorporated.   All Rights Reserved.
        This file may be used under the terms of the Be Sample Code License.
*/

#ifndef OBJECT_VIEW_H
#define OBJECT_VIEW_H

#include <GL/glu.h>
#include <GLView.h>

#define kMsgFPS                 'fps '
#define kMsgLimitFps    'lfps'
#define kMsgAddModel    'addm'
#define kMsgGouraud             'gour'
#define kMsgZBuffer             'zbuf'
#define kMsgCulling             'cull'
#define kMsgTextured    'txtr'
#define kMsgFog                 'fog '
#define kMsgLighting    'lite'
#define kMsgLights              'lits'
#define kMsgFilled              'fill'
#define kMsgPerspective 'prsp'

enum lights {
        lightNone = 0,
        lightWhite,
        lightYellow,
        lightRed,
        lightBlue,
        lightGreen
};

#define HISTSIZE 10

class ResScroll;
class GLObject;

struct TrackingInfo {
        float           lastX;
        float           lastY;
        float           lastDx;
        float           lastDy;
        bool            isTracking;
        GLObject        *pickedObject;
        uint32          buttons;
};

class ObjectView : public BGLView {
        public:
                                                ObjectView(BRect rect, const char* name,
                                                        ulong resizingMode, ulong options);
                                                ~ObjectView();

                virtual void    MouseDown(BPoint point);
                virtual void    MouseUp(BPoint point);
                virtual void    MouseMoved(BPoint point, uint32 transit, const BMessage *msg);

                virtual void    MessageReceived(BMessage* msg);
                virtual void    AttachedToWindow();
                virtual void    DetachedFromWindow();
                virtual void    FrameResized(float width, float height);
                                bool    SpinIt();
                                bool    LimitFps() { return fLimitFps; };
                                int             ObjectAtPoint(const BPoint &point);
                virtual void    DrawFrame(bool noPause);
                virtual void    Pulse();
                                void    EnforceState();
                                bool    RepositionView();

                sem_id                  drawEvent;
                sem_id                  quittingSem;

        private:
                thread_id               fDrawThread;
                ResScroll*              fResScroll;
                BList                   fObjects;
                BLocker                 fObjListLock;
                uint64                  fLastFrame;
                int32                   fHistEntries,fOldestEntry;
                bool                    fFps, fLimitFps, fLastGouraud, fGouraud;
                bool                    fLastZbuf, fZbuf, fLastCulling, fCulling;
                bool                    fLastLighting, fLighting, fLastFilled, fFilled;
                bool                    fLastPersp, fPersp, fLastTextured, fTextured;
                bool                    fLastFog, fFog, fForceRedraw;
                float                   fLastYXRatio, fYxRatio, fFpsHistory[HISTSIZE];
                float                   fObjectDistance, fLastObjectDistance;
                TrackingInfo    fTrackingInfo;
};

#endif // OBJECT_VIEW_H