mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-04 08:17:40 +00:00
401 lines
9.4 KiB
C++
401 lines
9.4 KiB
C++
/* 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 PRINCE_SCRIPT_H
|
|
#define PRINCE_SCRIPT_H
|
|
|
|
#include "common/random.h"
|
|
#include "common/endian.h"
|
|
#include "common/array.h"
|
|
#include "common/stream.h"
|
|
|
|
#include "prince/flags.h"
|
|
|
|
namespace Prince {
|
|
|
|
class PrinceEngine;
|
|
class Animation;
|
|
class Object;
|
|
struct Anim;
|
|
struct BackgroundAnim;
|
|
struct Mask;
|
|
|
|
class Room {
|
|
public:
|
|
Room();
|
|
int _mobs; // mob flag offset
|
|
int _backAnim; // offset to array of animation numbers
|
|
int _obj; // offset to array of object numbers
|
|
int _nak; // offset to array of masks
|
|
int _itemUse;
|
|
int _itemGive;
|
|
int _walkTo; // offset to array of WALKTO events or 0
|
|
int _examine; // offset to array of EXAMINE events or 0
|
|
int _pickup;
|
|
int _use;
|
|
int _pushOpen;
|
|
int _pullClose;
|
|
int _talk;
|
|
int _give;
|
|
|
|
bool loadStream(Common::SeekableReadStream &stream);
|
|
bool loadRoom(byte *roomData);
|
|
int getOptionOffset(int option);
|
|
|
|
private:
|
|
|
|
typedef void (Room::*LoadingStep)(Common::SeekableReadStream &stream);
|
|
|
|
void nextLoadStep(Common::SeekableReadStream &stream, LoadingStep step);
|
|
|
|
void loadMobs(Common::SeekableReadStream &stream);
|
|
void loadBackAnim(Common::SeekableReadStream &stream);
|
|
void loadObj(Common::SeekableReadStream &stream);
|
|
void loadNak(Common::SeekableReadStream &stream);
|
|
void loadItemUse(Common::SeekableReadStream &stream);
|
|
void loadItemGive(Common::SeekableReadStream &stream);
|
|
void loadWalkTo(Common::SeekableReadStream &stream);
|
|
void loadExamine(Common::SeekableReadStream &stream);
|
|
void loadPickup(Common::SeekableReadStream &stream);
|
|
void loadUse(Common::SeekableReadStream &stream);
|
|
void loadPushOpen(Common::SeekableReadStream &stream);
|
|
void loadPullClose(Common::SeekableReadStream &stream);
|
|
void loadTalk(Common::SeekableReadStream &stream);
|
|
void loadGive(Common::SeekableReadStream &stream);
|
|
};
|
|
|
|
|
|
class Script {
|
|
public:
|
|
static const int16 kMaxRooms = 60;
|
|
|
|
Script(PrinceEngine *vm);
|
|
~Script();
|
|
|
|
struct ScriptInfo {
|
|
int rooms;
|
|
int startGame;
|
|
int restoreGame;
|
|
int stdExamine;
|
|
int stdPickup;
|
|
int stdUse;
|
|
int stdOpen;
|
|
int stdClose;
|
|
int stdTalk;
|
|
int stdGive;
|
|
int usdCode;
|
|
int invObjExam;
|
|
int invObjUse;
|
|
int invObjUU;
|
|
int stdUseItem;
|
|
int lightSources;
|
|
int specRout;
|
|
int invObjGive;
|
|
int stdGiveItem;
|
|
int goTester;
|
|
};
|
|
|
|
ScriptInfo _scriptInfo;
|
|
|
|
bool loadStream(Common::SeekableReadStream &stream);
|
|
|
|
uint16 readScript16(uint32 address);
|
|
uint32 readScript32(uint32 address);
|
|
|
|
uint32 getStartGameOffset();
|
|
uint32 getLocationInitScript(int initRoomTableOffset, int roomNr);
|
|
int16 getLightX(int locationNr);
|
|
int16 getLightY(int locationNr);
|
|
int32 getShadowScale(int locationNr);
|
|
uint8 *getRoomOffset(int locationNr);
|
|
int32 getOptionStandardOffset(int option);
|
|
uint8 *getHeroAnimName(int offset);
|
|
|
|
void installBackAnims(Common::Array<BackgroundAnim> &backAnimList, int roomBackAnimOffset);
|
|
void installSingleBackAnim(Common::Array<BackgroundAnim> &backAnimList, int slot, int roomBackAnimOffset);
|
|
void installObjects(int offset);
|
|
bool loadAllMasks(Common::Array<Mask> &maskList, int offset);
|
|
|
|
int scanMobEvents(int mobMask, int dataEventOffset);
|
|
int scanMobEventsWithItem(int mobMask, int dataEventOffset, int itemMask);
|
|
|
|
byte getMobVisible(int roomMobOffset, uint16 mob);
|
|
void setMobVisible(int roomMobOffset, uint16 mob, byte value);
|
|
|
|
uint32 getBackAnimId(int roomBackAnimOffset, int slot);
|
|
void setBackAnimId(int roomBackAnimOffset, int slot, int animId);
|
|
|
|
byte getObjId(int roomObjOffset, int slot);
|
|
void setObjId(int roomObjOffset, int slot, byte objectId);
|
|
|
|
const char *getString(uint32 offset) {
|
|
return (const char *)(&_data[offset]);
|
|
}
|
|
|
|
private:
|
|
PrinceEngine *_vm;
|
|
uint8 *_data;
|
|
uint32 _dataSize;
|
|
Common::Array<Room> _roomList;
|
|
};
|
|
|
|
class InterpreterFlags {
|
|
public:
|
|
InterpreterFlags();
|
|
|
|
void setFlagValue(Flags::Id flag, int32 value);
|
|
int32 getFlagValue(Flags::Id flag);
|
|
|
|
void resetAllFlags();
|
|
|
|
static const uint16 kFlagMask = 0x8000;
|
|
static const uint16 kMaxFlags = 2000;
|
|
private:
|
|
int32 _flags[kMaxFlags];
|
|
};
|
|
|
|
class Interpreter {
|
|
public:
|
|
Interpreter(PrinceEngine *vm, Script *script, InterpreterFlags *flags);
|
|
|
|
void stopBg() { _bgOpcodePC = 0; }
|
|
|
|
void stepBg();
|
|
void stepFg();
|
|
void storeNewPC(int opcodePC);
|
|
int getLastOPCode();
|
|
int getFgOpcodePC();
|
|
|
|
void setBgOpcodePC(uint32 value);
|
|
void setFgOpcodePC(uint32 value);
|
|
|
|
uint32 getCurrentString();
|
|
void setCurrentString(uint32 value);
|
|
|
|
byte *getString();
|
|
void setString(byte *newString);
|
|
void increaseString();
|
|
|
|
void setResult(byte value);
|
|
|
|
private:
|
|
PrinceEngine *_vm;
|
|
Script *_script;
|
|
InterpreterFlags *_flags;
|
|
|
|
uint32 _currentInstruction;
|
|
|
|
uint32 _bgOpcodePC;
|
|
uint32 _fgOpcodePC;
|
|
|
|
uint16 _lastOpcode;
|
|
uint32 _lastInstruction;
|
|
byte _result;
|
|
|
|
bool _opcodeNF; // break interpreter loop
|
|
bool _opcodeEnd; // end of a game flag
|
|
|
|
static const uint32 _STACK_SIZE = 500;
|
|
uint32 _stack[_STACK_SIZE];
|
|
struct stringStack {
|
|
byte *string;
|
|
byte *dialogData;
|
|
uint32 currentString;
|
|
} _stringStack;
|
|
uint8 _stacktop;
|
|
uint32 _waitFlag;
|
|
|
|
byte *_string;
|
|
byte _stringBuf[1024];
|
|
uint32 _currentString;
|
|
const char *_mode;
|
|
|
|
Flags _flagMap;
|
|
|
|
// Helper functions
|
|
uint32 step(uint32 opcodePC);
|
|
uint16 readScript16();
|
|
uint32 readScript32();
|
|
int32 readScriptFlagValue();
|
|
Flags::Id readScriptFlagId();
|
|
int checkSeq(byte *string);
|
|
|
|
void debugInterpreter(const char *s, ...);
|
|
|
|
typedef void (Interpreter::*OpcodeFunc)();
|
|
static OpcodeFunc _opcodes[];
|
|
|
|
static const uint kGiveLetterScriptFix = 79002;
|
|
static const uint kSecondBirdAnimationScriptFix = 45658;
|
|
|
|
// Keep opcode handlers names as they are in original code
|
|
// making 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();
|
|
|
|
};
|
|
|
|
} // End of namespace Prince
|
|
|
|
#endif
|