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game.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 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
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-11-1/engines/gob/game.h $
 * $Id: game.h 30944 2008-02-23 22:50:18Z sev $
 *
 */

#ifndef GOB_GAME_H
#define GOB_GAME_H

#include "sound/mods/infogrames.h"

#include "gob/sound.h"

namespace Gob {

class Game {
public:

#include "common/pack-start.h"      // START STRUCT PACKING

      struct Collision {
            int16 id;
            uint16 left;
            uint16 top;
            uint16 right;
            uint16 bottom;
            int16 flags;
            int16 key;
            uint16 funcEnter;
            uint16 funcLeave;
            uint16 funcSub;
      } PACKED_STRUCT;

#define szGame_TotResItem (4 + 2 + 2 + 2)
      struct TotResItem {
            int32 offset;     // if > 0, then offset from end of resource table.
                                    // If < 0, then -offset-1 is index in .IM file table
            int16 size;
            int16 width;
            int16 height;
      } PACKED_STRUCT;

#define szGame_TotResTable (2 + 1)
      struct TotResTable {
            int16 itemsCount;
            byte unknown;
            TotResItem *items;
            byte *dataPtr;
      } PACKED_STRUCT;

#define szGame_ExtItem (4 + 2 + 2 + 2)
      struct ExtItem {
            int32 offset;           // offset from the table end
            uint16 size;
            int16 width;            // width & 0x7FFF: width, width & 0x8000: pack flag
            int16 height;           // not zero
      } PACKED_STRUCT;

#define szGame_ExtTable (2 + 1)
      struct ExtTable {
            int16 itemsCount;
            byte unknown;
            ExtItem *items;
      } PACKED_STRUCT;

#define szGame_TotTextItem (2 + 2)
      struct TotTextItem {
            int16 offset;
            int16 size;
      } PACKED_STRUCT;

#define szGame_TotTextTable (2)
      struct TotTextTable {
            int16 itemsCount;
            TotTextItem *items;
            byte *dataPtr;
      } PACKED_STRUCT;

      struct InputDesc {
            int16 fontIndex;
            int16 backColor;
            int16 frontColor;
            byte *ptr;
      } PACKED_STRUCT;

#include "common/pack-end.h"  // END STRUCT PACKING

      TotResTable *_totResourceTable;
      Collision *_collisionAreas;
      Collision *_collStack[5];

      bool _foundTotLoc;
      TotTextTable *_totTextData;

      char _curTotFile[14];
      char _curExtFile[14];

      byte *_imFileData;
      byte *_totFileData;

      int16 _extHandle;

      SoundDesc _soundSamples[60];

      Audio::Infogrames::Instruments *_infIns;
      Audio::Infogrames *_infogrames;
      Audio::SoundHandle _infHandle;

      char _totToLoad[20];

      int32 _startTimeKey;
      int16 _mouseButtons;

      bool _noScroll;
      bool _preventScroll;
      bool _scrollHandleMouse;

      Game(GobEngine *vm);
      virtual ~Game();

      byte *loadExtData(int16 dataId, int16 *pResWidth, int16 *pResHeight, uint32 *dataSize = 0);
      byte *loadTotResource(int16 id, int16 *dataSize = 0);

      void capturePush(int16 left, int16 top, int16 width, int16 height);
      void capturePop(char doDraw);

      void freeSoundSlot(int16 slot);

      void evaluateScroll(int16 x, int16 y);

      int16 checkKeys(int16 *pMousex = 0, int16 *pMouseY = 0,
                  int16 *pButtons = 0, char handleMouse = 0);
      void start(void);
      void totSub(int8 flags, const char *newTotFile);
      void switchTotSub(int16 index, int16 skipPlay);

      void freeCollision(int16 id);

      virtual void playTot(int16 skipPlay) = 0;

      virtual void clearCollisions(void) = 0;
      virtual int16 addNewCollision(int16 id, uint16 left, uint16 top,
                  uint16 right, uint16 bottom, int16 flags, int16 key,
                  uint16 funcEnter, uint16 funcLeave) = 0;
      virtual void collisionsBlock(void) = 0;
      virtual int16 multiEdit(int16 time, int16 index, int16 *pCurPos,
                  InputDesc *inpDesc, int16 *collResId, int16 *collIndex) = 0;
      virtual int16 inputArea(int16 xPos, int16 yPos, int16 width, int16 height,
                  int16 backColor, int16 frontColor, char *str, int16 fontIndex,
                  char inpType, int16 *pTotTime, int16 *collResId, int16 *collIndex) = 0;
      virtual int16 checkCollisions(byte handleMouse, int16 deltaTime,
                  int16 *pResId, int16 *pResIndex) = 0;

      virtual void prepareStart(void) = 0;

protected:
      int16 _lastCollKey;
      int16 _lastCollAreaIndex;
      int16 _lastCollId;

      int16 _activeCollResId;
      int16 _activeCollIndex;
      byte _handleMouse;
      char _forceHandleMouse;
      uint32 _menuLevel;

      char _tempStr[256];

      ExtTable *_extTable;
      char _curImaFile[18];

      int16 _collStackSize;
      int16 _collStackElemSizes[5];

      char _shouldPushColls;

      // Capture
      Common::Rect _captureStack[20];
      int16 _captureCount;

      char _collStr[256];

      // For totSub()
      int8 _backupedCount;
      int8 _curBackupPos;
      int16 _cursorHotspotXArray[5];
      int16 _cursorHotspotYArray[5];
      TotTextTable *_totTextDataArray[5];
      byte *_totFileDataArray[5];
      TotResTable *_totResourceTableArray[5];
      ExtTable *_extTableArray[5];
      int16 _extHandleArray[5];
      byte *_imFileDataArray[5];
      byte *_variablesArray[5];
      char _curTotFileArray[5][14];
      byte *_variablesSizesArray[5];

      GobEngine *_vm;
            
      int16 adjustKey(int16 key);

      byte *loadLocTexts(int32 *dataSize = 0);
      int32 loadTotFile(const char *path);
      void loadExtTable(void);
      void loadImFile(void);

      void setCollisions(void);
      void collSub(uint16 offset);
      void collAreaSub(int16 index, int8 enter);
      int16 openLocTextFile(char *locTextFile, int language);

      virtual void pushCollisions(char all) = 0;
      virtual void popCollisions(void) = 0;
      virtual int16 checkMousePoint(int16 all, int16 *resId, int16 *resIndex) = 0;
};

class Game_v1 : public Game {
public:
      virtual void playTot(int16 skipPlay);

      virtual void clearCollisions(void);
      virtual int16 addNewCollision(int16 id, uint16 left, uint16 top,
                  uint16 right, uint16 bottom, int16 flags, int16 key,
                  uint16 funcEnter, uint16 funcLeave);
      virtual void collisionsBlock(void);
      virtual int16 multiEdit(int16 time, int16 index, int16 *pCurPos,
                  InputDesc *inpDesc, int16 *collResId, int16 *collIndex);
      virtual int16 inputArea(int16 xPos, int16 yPos, int16 width, int16 height,
                  int16 backColor, int16 frontColor, char *str, int16 fontIndex,
                  char inpType, int16 *pTotTime, int16 *collResId, int16 *collIndex);
      virtual int16 checkCollisions(byte handleMouse, int16 deltaTime,
                  int16 *pResId, int16 *pResIndex);

      virtual void prepareStart(void);

      Game_v1(GobEngine *vm);
      virtual ~Game_v1() {}

protected:
      virtual void pushCollisions(char all);
      virtual void popCollisions(void);
      virtual int16 checkMousePoint(int16 all, int16 *resId, int16 *resIndex);
};

class Game_v2 : public Game_v1 {
public:
      virtual void playTot(int16 skipPlay);

      virtual void clearCollisions(void);
      virtual int16 addNewCollision(int16 id, uint16 left, uint16 top,
                  uint16 right, uint16 bottom, int16 flags, int16 key,
                  uint16 funcEnter, uint16 funcLeave);
      virtual void collisionsBlock(void);
      virtual int16 multiEdit(int16 time, int16 index, int16 *pCurPos,
                  InputDesc *inpDesc, int16 *collResId, int16 *collIndex);
      virtual int16 inputArea(int16 xPos, int16 yPos, int16 width, int16 height,
                  int16 backColor, int16 frontColor, char *str, int16 fontIndex,
                  char inpType, int16 *pTotTime, int16 *collResId, int16 *collIndex);
      virtual int16 checkCollisions(byte handleMouse, int16 deltaTime,
                  int16 *pResId, int16 *pResIndex);

      virtual void prepareStart(void);

      Game_v2(GobEngine *vm);
      virtual ~Game_v2() {}

protected:
      struct CollLast {
            int16 key;
            int16 id;
            int16 areaIndex;
      };

      CollLast _collLasts[5];

      virtual void pushCollisions(char all);
      virtual void popCollisions(void);
      virtual int16 checkMousePoint(int16 all, int16 *resId, int16 *resIndex);
};

} // End of namespace Gob

#endif // GOB_GAME_H

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