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/* 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.
*
*/
#ifndef PRINCE_SCRIPT_H
#define PRINCE_SCRIPT_H
#include "common/random.h"
#include "audio/mixer.h"
#include "prince/flags.h"
namespace Common {
class SeekableReadStream;
}
namespace Prince {
class PrinceEngine;
class Script {
public:
Script(PrinceEngine *vm);
virtual ~Script();
bool loadFromStream(Common::SeekableReadStream &stream);
void step();
void setFlag(Flags::Id flag, uint16 value);
private:
PrinceEngine *_vm;
byte *_code;
uint32 _codeSize;
uint32 _currentInstruction;
uint32 _bgOpcodePC;
uint32 _fgOpcodePC;
uint16 _lastOpcode;
uint32 _lastInstruction;
byte _result;
int16 _flags[2000];
bool _opcodeNF;
// Stack
static const uint32 _STACK_SIZE = 500;
uint32 _stack[_STACK_SIZE];
uint8 _stacktop;
uint8 _savedStacktop;
uint32 _waitFlag;
Audio::SoundHandle _soundHandle;
const byte * _string;
uint32 _currentString;
Common::SeekableReadStream *_voiceStream;
// Helper functions
uint32 step(uint32 opcodePC);
void checkPC(uint32 address);
uint8 getCodeByte(uint32 address);
uint8 readScript8bits();
uint16 readScript16bits();
uint32 readScript32bits();
uint16 readScript8or16bits();
void debugScript(const char *s, ...);
void SetVoice(uint32 slot);
typedef void (Script::*OpcodeFunc)();
static OpcodeFunc _opcodes[];
// Keep opcode handlers names as they are in original code
// it easier to switch back and forth
void O_WAITFOREVER();
void O_BLACKPALETTE();
void O_SETUPPALETTE();
void O_INITROOM();
void O_SETSAMPLE();
void O_FREESAMPLE();
void O_PLAYSAMPLE();
void O_PUTOBJECT();
void O_REMOBJECT();
void O_SHOWANIM();
void O_CHECKANIMEND();
void O_FREEANIM();
void O_CHECKANIMFRAME();
void O_PUTBACKANIM();
void O_REMBACKANIM();
void O_CHECKBACKANIMFRAME();
void O_FREEALLSAMPLES();
void O_SETMUSIC();
void O_STOPMUSIC();
void O__WAIT();
void O_UPDATEOFF();
void O_UPDATEON();
void O_UPDATE ();
void O_CLS();
void O__CALL();
void O_RETURN();
void O_GO();
void O_BACKANIMUPDATEOFF();
void O_BACKANIMUPDATEON();
void O_CHANGECURSOR();
void O_CHANGEANIMTYPE();
void O__SETFLAG();
void O_COMPARE();
void O_JUMPZ();
void O_JUMPNZ();
void O_EXIT();
void O_ADDFLAG();
void O_TALKANIM();
void O_SUBFLAG();
void O_SETSTRING();
void O_ANDFLAG();
void O_GETMOBDATA();
void O_ORFLAG();
void O_SETMOBDATA();
void O_XORFLAG();
void O_GETMOBTEXT();
void O_MOVEHERO();
void O_WALKHERO();
void O_SETHERO();
void O_HEROOFF();
void O_HEROON();
void O_CLSTEXT();
void O_CALLTABLE();
void O_CHANGEMOB();
void O_ADDINV();
void O_REMINV();
void O_REPINV();
void O_OBSOLETE_GETACTION();
void O_ADDWALKAREA();
void O_REMWALKAREA();
void O_RESTOREWALKAREA();
void O_WAITFRAME();
void O_SETFRAME();
void O_RUNACTION();
void O_COMPAREHI();
void O_COMPARELO();
void O_PRELOADSET();
void O_FREEPRELOAD();
void O_CHECKINV();
void O_TALKHERO();
void O_WAITTEXT();
void O_SETHEROANIM();
void O_WAITHEROANIM();
void O_GETHERODATA();
void O_GETMOUSEBUTTON();
void O_CHANGEFRAMES();
void O_CHANGEBACKFRAMES();
void O_GETBACKANIMDATA();
void O_GETANIMDATA();
void O_SETBGCODE();
void O_SETBACKFRAME();
void O_GETRND();
void O_TALKBACKANIM();
void O_LOADPATH();
void O_GETCHAR();
void O_SETDFLAG();
void O_CALLDFLAG();
void O_PRINTAT();
void O_ZOOMIN();
void O_ZOOMOUT();
void O_SETSTRINGOFFSET();
void O_GETOBJDATA();
void O_SETOBJDATA();
void O_SWAPOBJECTS();
void O_CHANGEHEROSET();
void O_ADDSTRING();
void O_SUBSTRING();
void O_INITDIALOG();
void O_ENABLEDIALOGOPT();
void O_DISABLEDIALOGOPT();
void O_SHOWDIALOGBOX();
void O_STOPSAMPLE();
void O_BACKANIMRANGE();
void O_CLEARPATH();
void O_SETPATH();
void O_GETHEROX();
void O_GETHEROY();
void O_GETHEROD();
void O_PUSHSTRING();
void O_POPSTRING();
void O_SETFGCODE();
void O_STOPHERO();
void O_ANIMUPDATEOFF();
void O_ANIMUPDATEON();
void O_FREECURSOR();
void O_ADDINVQUIET();
void O_RUNHERO();
void O_SETBACKANIMDATA();
void O_VIEWFLC();
void O_CHECKFLCFRAME();
void O_CHECKFLCEND();
void O_FREEFLC();
void O_TALKHEROSTOP();
void O_HEROCOLOR();
void O_GRABMAPA();
void O_ENABLENAK();
void O_DISABLENAK();
void O_GETMOBNAME();
void O_SWAPINVENTORY();
void O_CLEARINVENTORY();
void O_SKIPTEXT();
void O_SETVOICEH();
void O_SETVOICEA();
void O_SETVOICEB();
void O_SETVOICEC();
void O_VIEWFLCLOOP();
void O_FLCSPEED();
void O_OPENINVENTORY();
void O_KRZYWA();
void O_GETKRZYWA();
void O_GETMOB();
void O_INPUTLINE();
void O_SETVOICED();
void O_BREAK_POINT();
};
}
#endif
/* vim: set tabstop=4 noexpandtab: */
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