pan_window.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */

#ifndef BAGEL_BAGLIB_PAN_WINDOW_H
#define BAGEL_BAGLIB_PAN_WINDOW_H

#include "bagel/baglib/pda.h"
#include "bagel/baglib/storage_dev_win.h"
#include "bagel/baglib/wield.h"
#include "bagel/baglib/pan_bitmap.h"
#include "bagel/boflib/stdinc.h"

namespace Bagel {

#define BOFCURS 1

#define DEF_WIDTH 639
#define DEF_HEIGHT 479

#define EVAL_EXPR 303

// The height and width of the pan area
#define PAN_AREA_WIDTH 480
#define PAN_AREA_HEIGHT 360

//
// CBagPanWindow -
//  CBagPanWindow is a window that contains a slide bitmap object.  It has specialize
//  functions for handling slide bitmaps and slide objects.
//
class CBagPanWindow : public CBagStorageDevWnd {
private:
    static int _nCorrection;
    static int _nPanSpeed;

    //
    // private data members
    //
    CPoint _xViewPortPos; // Position of the viewport
    CRect _xMovementRect; // if mouse is in this region will not scroll
    CRect _cLeftRect;
    CRect _cRightRect;
    CRect _cTopRect;
    CRect _cBottomRect;

    CBagPanBitmap *_pSlideBitmap; // Contains the full bitmap of the world
    CBofBitmap *_pViewPortBitmap; // Contains the current viewport bitmap
    CBofPalette *_pPalette;

    CBofPoint _bDraggingStart; // Starting location of the dragged object
    bool _bDraggingObject;     // Whether or not the first FG object is being dragged

    bool _bStretchToScreen;                 // Whether or not the backdrop is painted full screen
    bool _bPaintToBackdrop;                 // Whether or not the backdrop is a extra paint surface

    CBofList<CBagObject *> *_pFGObjectList; // Objects to be painted to the window

public:
    static CBagWield *_pWieldBmp; // Pointer to the WIELD object

    CBagPanWindow();
    virtual ~CBagPanWindow();
    static void initialize();

    ErrorCode attachActiveObjects() override;

    ErrorCode onRender(CBofBitmap *pBmp, CRect *pRect = nullptr) override;

    ErrorCode runModal(CBagObject *pObj) override;

    ErrorCode insertFGObjects(CBagObject *pBmp);
    void deleteFGObjects();
    CBagObject *getFGObjects(const CBofString &sObjName);

    CBofPalette *setSlideBitmap(const CBofString &xSlideBmp, const CRect &xSlideRect = CRect(0, 0, 0, 0));

    CBofRect unSetSlideBitmap();

    uint32 rotateTo(CPoint &xPoint, int nRate = 8);

    void activateView();
    void deActivateView();

    void enable() override;
    void disable() override;

    ErrorCode paintObjects(CBofList<CBagObject *> *list, CBofBitmap *pBmp, CRect &viewOffsetRect,
                            CBofList<CRect> * = nullptr, bool tempVar = true) override;

    const CBofPoint devPtToViewPort(const CBofPoint &xPoint) override;
    const CBofPoint viewPortToDevPt(const CBofPoint &xPoint) override;

    void setViewPortSize(const CSize &xViewSize);
    const CRect getViewPort();
    const CSize getViewPortSize();

    CBagPanBitmap *getSlideBitmap() const {
        return _pSlideBitmap;
    }
    void setViewPortPos(const CPoint &pos) {
        _xViewPortPos = pos;    // Position of the viewport
    }

    static void setPanSpeed(int nSpeed) {
        _nPanSpeed = nSpeed;
    }
    static int getPanSpeed() {
        return _nPanSpeed;
    }

    const CPoint getViewPortPos() {
        return _xViewPortPos;
    }

    const CRect getMaxView() {
        return _pSlideBitmap->getMaxView();
    }
    void setMovementRect(const CRect &rect) {
        _xMovementRect = rect;
    }
    const CRect &getMovementRect() {
        return _xMovementRect;
    }
    void setPaintToBackdrop(const bool bPaint) {
        _bPaintToBackdrop = bPaint;
    }
    bool getStretchToScreen() {
        return _bStretchToScreen;
    }
    bool setStretchToScreen(bool val = true) {
        return _bStretchToScreen = val;
    }
    static int getRealCorrection() {
        return _nCorrection;
    }
    static void setRealCorrection(int n) {
        _nCorrection = n;
    }
    int getCorrection() {
        return _pSlideBitmap->getCorrWidth();
    }
    void setCorrection(int nCorr) {
        _pSlideBitmap->setCorrWidth(nCorr);
    }
    double getFOV() {
        return _pSlideBitmap->getFOV();
    }
    void setFOV(double fov) {
        _pSlideBitmap->setFOV(fov);
    }

    CBofPalette *getPalette() {
        return _pSlideBitmap->getPalette();
    }

    uint32 benchmark();

public:
    static void flushInputEvents();

    void onClose() override;
    void onMouseMove(uint32 nFlags, CBofPoint *p, void * = nullptr) override;
    void onLButtonDown(uint32 nFlags, CBofPoint *point, void * = nullptr) override;
    void onLButtonUp(uint32 nFlags, CBofPoint *point, void * = nullptr) override;
    void onKeyHit(uint32 lKey, uint32 lRepCount) override;
    virtual void onSize(uint32 nType, int cx, int cy);
    void OnWindowPosChanging(WindowPos *lpwndpos);

    ErrorCode onCursorUpdate(int nCurrObj) override;

    static CBagPDA *_pPDABmp; // Pointer to the PDA object

    bool deactivatePDA();

    bool activatePDA();

    void waitForPDA();
};

} // namespace Bagel

#endif