mirror of
https://github.com/scummvm/scummvm.git
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178 lines
7.4 KiB
C++
178 lines
7.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/scummsys.h"
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#include "access/access.h"
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#include "access/scripts.h"
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#define SCRIPT_START_BYTE 0xE0
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namespace Access {
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Scripts::Scripts(AccessEngine *vm) : _vm(vm) {
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_script = nullptr;
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_scriptLoc = nullptr;
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_sequence = 0;
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_endFlag = false;
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_returnCode = 0;
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}
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Scripts::~Scripts() {
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freeScriptData();
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}
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void Scripts::freeScriptData() {
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delete[] _script;
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_script = nullptr;
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}
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const byte *Scripts::searchForSequence() {
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assert(_script);
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const byte *pSrc = _script;
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int sequenceId;
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do {
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while (*pSrc++ != SCRIPT_START_BYTE) ;
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sequenceId = READ_LE_UINT16(pSrc);
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pSrc += 2;
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} while (sequenceId != _sequence);
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_scriptLoc = pSrc;
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return pSrc;
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}
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int Scripts::executeScript() {
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assert(_scriptLoc);
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_endFlag = 0;
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_returnCode = 0;
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do {
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const byte *pSrc = _scriptLoc;
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for (pSrc = _scriptLoc; *pSrc == SCRIPT_START_BYTE; pSrc += 3) ;
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_scriptCommand = *pSrc++;
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executeCommand(_scriptCommand - 0x80, pSrc);
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_scriptLoc = pSrc;
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} while (!_endFlag);
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return _returnCode;
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}
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void Scripts::executeCommand(int commandIndex, const byte *&pScript) {
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static const ScriptMethodPtr COMMAND_LIST[] = {
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&Scripts::CMDENDOBJECT, &Scripts::CMDJUMPLOOK, &Scripts::CMDJUMPHELP, &Scripts::CMDJUMPGET, &Scripts::CMDJUMPMOVE,
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&Scripts::CMDJUMPUSE, &Scripts::CMDJUMPTALK, &Scripts::CMDNULL, &Scripts::CMDPRINT, &Scripts::CMDRETPOS, &Scripts::CMDANIM,
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&Scripts::CMDSETFLAG, &Scripts::CMDCHECKFLAG, &Scripts::cmdGoto, &Scripts::CMDSETINV, &Scripts::CMDSETINV,
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&Scripts::CMDCHECKINV, &Scripts::CMDSETTEX, &Scripts::CMDNEWROOM, &Scripts::CMDCONVERSE, &Scripts::CMDCHECKFRAME,
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&Scripts::CMDCHECKANIM, &Scripts::CMDSND, &Scripts::CMDRETNEG, &Scripts::CMDRETPOS, &Scripts::CMDCHECKLOC, &Scripts::CMDSETANIM,
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&Scripts::CMDDISPINV, &Scripts::CMDSETTIMER, &Scripts::CMDSETTIMER, &Scripts::CMDCHECKTIMER, &Scripts::CMDSETTRAVEL,
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&Scripts::CMDSETTRAVEL, &Scripts::CMDSETVID, &Scripts::CMDPLAYVID, &Scripts::CMDPLOTIMAGE, &Scripts::CMDSETDISPLAY,
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&Scripts::CMDSETBUFFER, &Scripts::CMDSETSCROLL, &Scripts::CMDSAVERECT, &Scripts::CMDSAVERECT, &Scripts::CMDSETBUFVID,
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&Scripts::CMDPLAYBUFVID, &Scripts::CMDREMOVELAST, &Scripts::CMDSPECIAL, &Scripts::CMDSPECIAL, &Scripts::CMDSPECIAL,
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&Scripts::CMDSETCYCLE, &Scripts::CMDCYCLE, &Scripts::CMDCHARSPEAK, &Scripts::CMDTEXSPEAK, &Scripts::CMDTEXCHOICE,
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&Scripts::CMDWAIT, &Scripts::CMDSETCONPOS, &Scripts::CMDCHECKVFRAME, &Scripts::CMDJUMPCHOICE, &Scripts::CMDRETURNCHOICE,
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&Scripts::CMDCLEARBLOCK, &Scripts::CMDLOADSOUND, &Scripts::CMDFREESOUND, &Scripts::CMDSETVIDSND, &Scripts::CMDPLAYVIDSND,
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&Scripts::CMDPUSHLOCATION, &Scripts::CMDPUSHLOCATION, &Scripts::CMDPUSHLOCATION, &Scripts::CMDPUSHLOCATION,
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&Scripts::CMDPUSHLOCATION, &Scripts::CMDPLAYEROFF, &Scripts::CMDPLAYERON, &Scripts::CMDDEAD, &Scripts::CMDFADEOUT,
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&Scripts::CMDENDVID, &Scripts::CMDHELP, &Scripts::CMDCYCLEBACK, &Scripts::CMDCHAPTER, &Scripts::CMDSETHELP, &Scripts::CMDCENTERPANEL,
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&Scripts::CMDMAINPANEL, &Scripts::CMDRETFLASH
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};
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(this->*COMMAND_LIST[commandIndex])(pScript);
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}
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void Scripts::CMDENDOBJECT(const byte *&pScript) { }
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void Scripts::CMDJUMPLOOK(const byte *&pScript) { }
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void Scripts::CMDJUMPHELP(const byte *&pScript) { }
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void Scripts::CMDJUMPGET(const byte *&pScript) { }
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void Scripts::CMDJUMPMOVE(const byte *&pScript) { }
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void Scripts::CMDJUMPUSE(const byte *&pScript) { }
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void Scripts::CMDJUMPTALK(const byte *&pScript) { }
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void Scripts::CMDNULL(const byte *&pScript) { }
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void Scripts::CMDPRINT(const byte *&pScript) { }
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void Scripts::CMDRETPOS(const byte *&pScript) { }
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void Scripts::CMDANIM(const byte *&pScript) { }
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void Scripts::CMDSETFLAG(const byte *&pScript) { }
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void Scripts::CMDCHECKFLAG(const byte *&pScript) { }
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void Scripts::cmdGoto(const byte *&pScript) {
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_sequence = READ_LE_UINT16(pScript);
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pScript = searchForSequence();
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}
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void Scripts::CMDSETINV(const byte *&pScript) { }
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void Scripts::CMDCHECKINV(const byte *&pScript) { }
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void Scripts::CMDSETTEX(const byte *&pScript) { }
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void Scripts::CMDNEWROOM(const byte *&pScript) { }
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void Scripts::CMDCONVERSE(const byte *&pScript) { }
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void Scripts::CMDCHECKFRAME(const byte *&pScript) { }
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void Scripts::CMDCHECKANIM(const byte *&pScript) { }
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void Scripts::CMDSND(const byte *&pScript) { }
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void Scripts::CMDRETNEG(const byte *&pScript) { }
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void Scripts::CMDCHECKLOC(const byte *&pScript) { }
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void Scripts::CMDSETANIM(const byte *&pScript) { }
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void Scripts::CMDDISPINV(const byte *&pScript) { }
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void Scripts::CMDSETTIMER(const byte *&pScript) { }
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void Scripts::CMDCHECKTIMER(const byte *&pScript) { }
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void Scripts::CMDSETTRAVEL(const byte *&pScript) { }
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void Scripts::CMDSETVID(const byte *&pScript) { }
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void Scripts::CMDPLAYVID(const byte *&pScript) { }
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void Scripts::CMDPLOTIMAGE(const byte *&pScript) { }
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void Scripts::CMDSETDISPLAY(const byte *&pScript) { }
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void Scripts::CMDSETBUFFER(const byte *&pScript) { }
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void Scripts::CMDSETSCROLL(const byte *&pScript) { }
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void Scripts::CMDSAVERECT(const byte *&pScript) { }
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void Scripts::CMDSETBUFVID(const byte *&pScript) { }
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void Scripts::CMDPLAYBUFVID(const byte *&pScript) { }
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void Scripts::CMDREMOVELAST(const byte *&pScript) { }
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void Scripts::CMDSPECIAL(const byte *&pScript) { }
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void Scripts::CMDSETCYCLE(const byte *&pScript) { }
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void Scripts::CMDCYCLE(const byte *&pScript) { }
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void Scripts::CMDCHARSPEAK(const byte *&pScript) { }
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void Scripts::CMDTEXSPEAK(const byte *&pScript) { }
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void Scripts::CMDTEXCHOICE(const byte *&pScript) { }
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void Scripts::CMDWAIT(const byte *&pScript) { }
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void Scripts::CMDSETCONPOS(const byte *&pScript) { }
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void Scripts::CMDCHECKVFRAME(const byte *&pScript) { }
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void Scripts::CMDJUMPCHOICE(const byte *&pScript) { }
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void Scripts::CMDRETURNCHOICE(const byte *&pScript) { }
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void Scripts::CMDCLEARBLOCK(const byte *&pScript) { }
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void Scripts::CMDLOADSOUND(const byte *&pScript) { }
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void Scripts::CMDFREESOUND(const byte *&pScript) { }
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void Scripts::CMDSETVIDSND(const byte *&pScript) { }
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void Scripts::CMDPLAYVIDSND(const byte *&pScript) { }
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void Scripts::CMDPUSHLOCATION(const byte *&pScript) { }
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void Scripts::CMDPLAYEROFF(const byte *&pScript) { }
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void Scripts::CMDPLAYERON(const byte *&pScript) { }
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void Scripts::CMDDEAD(const byte *&pScript) { }
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void Scripts::CMDFADEOUT(const byte *&pScript) { }
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void Scripts::CMDENDVID(const byte *&pScript) { }
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void Scripts::CMDHELP(const byte *&pScript) { }
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void Scripts::CMDCYCLEBACK(const byte *&pScript) { }
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void Scripts::CMDCHAPTER(const byte *&pScript) { }
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void Scripts::CMDSETHELP(const byte *&pScript) { }
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void Scripts::CMDCENTERPANEL(const byte *&pScript) { }
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void Scripts::CMDMAINPANEL(const byte *&pScript) { }
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void Scripts::CMDRETFLASH(const byte *&pScript) { }
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} // End of namespace Access
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