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/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003-2004 The ScummVM project
 * 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 2
 * 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
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * $Header: /cvsroot/scummvm/scummvm/queen/graphics.h,v 1.71 2004/10/08 18:43:24 cyx Exp $


#include "common/util.h"
#include "queen/structs.h"

namespace Queen {

struct BobSlot {
      bool active;
      //! current position
      int16 x, y;
      //! bounding box
      Box box;
      bool xflip;
      //! shrinking percentage
      uint16 scale;
      //! associated BobFrame
      uint16 frameNum;
      //! 'direction' for the next frame (-1, 1)
      int frameDir;

      //! animation stuff
      bool animating;
      struct {
            int16 speed, speedBak;

            //! string based animation
            struct {
                  const AnimFrame *buffer;
                  const AnimFrame *curPos;
            } string;

            //! normal moving animation
            struct {
                  bool rebound;
                  uint16 firstFrame, lastFrame;
            } normal;

      } anim;

      bool moving;
      //! moving speed
      int16 speed;
      //! move along x axis instead of y
      bool xmajor;
      //! moving direction
      int8 xdir, ydir;
      //! destination point
      int16 endx, endy;
      uint16 dx, dy;
      uint16 total;

      static const Box _defaultBox;

      void curPos(int16 xx, int16 yy);
      void move(int16 dstx, int16 dsty, int16 spd);
      void moveOneStep();
      void animOneStep();

      void animString(const AnimFrame *animBuf);
      void animNormal(uint16 firstFrame, uint16 lastFrame, uint16 speed, bool rebound, bool xflip);
      void scaleWalkSpeed(uint16 ms);

      void clear();

class QueenEngine;

class Graphics {

      Graphics(QueenEngine *vm);

      void unpackControlBank();
      void setupArrows();
      void setupMouseCursor();

      void drawBob(const BobSlot *bs, const BobFrame *bf, const Box *box, int16 x, int16 y);
      void drawInventoryItem(uint32 frameNum, uint16 x, uint16 y);
      void pasteBob(uint16 objNum, uint16 image);
      void shrinkFrame(const BobFrame *bf, uint16 percentage);
      void sortBobs();
      void drawBobs();
      void clearBobs();
      void stopBobs();
      BobSlot *bob(int index);
      void setBobText(const BobSlot *bob, const char *text, int textX, int textY, int color, int flags);

      void handleParallax(uint16 roomNum);

      void setupNewRoom(const char *room, uint16 roomNum, int16 *furniture, uint16 furnitureCount);

      void setBobCutawayAnim(uint16 bobNum, bool xflip, const AnimFrame *af, uint8 frameCount);
      void fillAnimBuffer(const char *anim, AnimFrame *af);
      uint16 countAnimFrames(const char *anim);
      void setupObjectAnim(const GraphicData *gd, uint16 firstImage, uint16 bobNum, bool visible);
      uint16 setupPersonAnim(const ActorData *ad, const char *anim, uint16 curImage);
      void resetPersonAnim(uint16 bobNum);
      void erasePersonAnim(uint16 bobNum);
      void eraseAllAnims();

      uint16 refreshObject(uint16 obj);

      void setupRoomFurniture(int16 *furniture, uint16 furnitureCount);
      void setupRoomObjects();

      uint16 setupPerson(uint16 noun, uint16 curImage);
      uint16 allocPerson(uint16 noun, uint16 curImage);

      uint16 personFrames(uint16 bobNum) const { return _personFrames[bobNum]; }
      void clearPersonFrames() { memset(_personFrames, 0, sizeof(_personFrames)); }
      uint16 numFrames() const { return _numFrames; }
      uint16 numStaticFurniture() const { return _numFurnitureStatic; }
      uint16 numAnimatedFurniture() const { return _numFurnitureAnimated; }
      uint16 numFurnitureFrames() const { return _numFurnitureStatic + _numFurnitureAnimatedLen; }

      void putCameraOnBob(int bobNum) { _cameraBob = bobNum; }

      void update(uint16 room);

      enum {
            ARROW_BOB_UP        =  62,
            ARROW_BOB_DOWN      =  63,
            MAX_BOBS_NUMBER     =  64,
            MAX_STRING_LENGTH   = 255,
            MAX_STRING_SIZE     = (MAX_STRING_LENGTH + 1),
            BOB_SHRINK_BUF_SIZE = 60000


      BobSlot _bobs[MAX_BOBS_NUMBER];

      //! bobs to display
      BobSlot *_sortedBobs[MAX_BOBS_NUMBER];

      //! number of bobs to display
      uint16 _sortedBobsCount;

      //! used to scale a BobFrame
      BobFrame _shrinkBuffer;

      //! in-game objects/persons animations
      AnimFrame _newAnim[17][30];

      //! cutaway objects/persons animations
      AnimFrame _cutAnim[21][30];
      uint16 _personFrames[4];

      //! Number of animated furniture in current room
      uint16 _numFurnitureAnimated;

      //! Number of static furniture in current room
      uint16 _numFurnitureStatic;

      //! Total number of frames for the animated furniture
      uint16 _numFurnitureAnimatedLen;

      //! Current number of frames unpacked
      uint16 _numFrames;

      int _cameraBob;

      QueenEngine *_vm;

      static const Box _gameScreenBox;
      static const Box _fullScreenBox;

class BamScene {

      BamScene(QueenEngine *vm);
      void playSfx();
      void prepareAnimation();
      void updateCarAnimation();
      void updateFightAnimation();

      void saveState(byte *&ptr);
      void loadState(uint32 ver, byte *&ptr);

      enum {
            BOB_OBJ1 = 5,
            BOB_OBJ2 = 6,
            BOB_FX   = 7

      enum {
            F_STOP     = 0,
            F_PLAY     = 1,
            F_REQ_STOP = 2

      enum {
            SFX_SKIP = 8

      uint16 _flag, _index;


      struct BamDataObj {
            int16 x, y;
            int16 frame;

#ifdef __PALM_OS__
      struct BamDataBlock {
            BamDataObj obj1; // truck / Frank
            BamDataObj obj2; // Rico  / robot
            BamDataObj fx;
            int16 sfx;
#ifdef __PALM_OS__

      BobSlot *_obj1;
      BobSlot *_obj2;
      BobSlot *_objfx;
      bool _screenShaked;
      const BamDataBlock *_fightData;
      uint16 _lastSoundIndex;

      QueenEngine *_vm;

#ifndef __PALM_OS__
      static const BamDataBlock _carData[];
      static const BamDataBlock _fight1Data[];
      static const BamDataBlock _fight2Data[];
      static const BamDataBlock _fight3Data[];

} // End of namespace Queen


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