mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-27 04:07:05 +00:00
424 lines
12 KiB
C++
424 lines
12 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003-2006 The ScummVM project
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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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* $URL$
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* $Id$
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*
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*/
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#include "common/stdafx.h"
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#include "common/endian.h"
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#include "common/config-manager.h"
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#include "common/util.h"
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#include "common/str.h"
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#include "base/engine.h"
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#include "sword1/memman.h"
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#include "sword1/resman.h"
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#include "sword1/sworddefs.h"
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#include "sword1/swordres.h"
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#include "gui/message.h"
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#include "gui/newgui.h"
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namespace Sword1 {
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void guiFatalError(char *msg) {
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// Displays a dialog on-screen before terminating the engine.
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// TODO: We really need to setup a special palette for cases when
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// the engine is erroring before setting one... otherwise invisible cursor :)
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GUI::MessageDialog dialog(msg);
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dialog.runModal();
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error(msg);
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}
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#define MAX_PATH_LEN 260
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ResMan::ResMan(const char *fileName) {
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_openCluStart = _openCluEnd = NULL;
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_openClus = 0;
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_memMan = new MemMan();
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loadCluDescript(fileName);
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}
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ResMan::~ResMan(void) {
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#if 0
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for (uint32 clusCnt = 0; clusCnt < _prj.noClu; clusCnt++) {
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Clu *cluster = _prj.clu[clusCnt];
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if (cluster) {
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for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++) {
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Grp *group = cluster->grp[grpCnt];
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if (group) {
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for (uint32 resCnt = 0; resCnt < group->noRes; resCnt++) {
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if (group->resHandle[resCnt].cond == MEM_DONT_FREE) {
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warning("ResMan::~ResMan: Resource %02X.%04X.%02X is still open",
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clusCnt + 1, grpCnt, resCnt);
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}
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}
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}
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}
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}
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}
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debug(0, "ResMan closed\n");
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#endif
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flush();
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freeCluDescript();
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delete _memMan;
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}
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void ResMan::loadCluDescript(const char *fileName) {
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Common::File file;
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file.open(fileName);
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if (!file.isOpen()) {
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char msg[512];
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sprintf(msg, "Couldn't open CLU description '%s'\n\nIf you are running from CD, please ensure you have read the ScummVM documentation regarding multi-cd games.", fileName);
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guiFatalError(msg);
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}
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_prj.noClu = file.readUint32LE();
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_prj.clu = new Clu[_prj.noClu];
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memset(_prj.clu, 0, _prj.noClu * sizeof(Clu));
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uint32 *cluIndex = (uint32*)malloc(_prj.noClu * 4);
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file.read(cluIndex, _prj.noClu * 4);
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for (uint32 clusCnt = 0; clusCnt < _prj.noClu; clusCnt++)
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if (cluIndex[clusCnt]) {
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Clu *cluster = _prj.clu + clusCnt;
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file.read(cluster->label, MAX_LABEL_SIZE);
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cluster->file = NULL;
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cluster->noGrp = file.readUint32LE();
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cluster->grp = new Grp[cluster->noGrp];
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cluster->nextOpen = NULL;
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memset(cluster->grp, 0, cluster->noGrp * sizeof(Grp));
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cluster->refCount = 0;
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uint32 *grpIndex = (uint32*)malloc(cluster->noGrp * 4);
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file.read(grpIndex, cluster->noGrp * 4);
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for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++)
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if (grpIndex[grpCnt]) {
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Grp *group = cluster->grp + grpCnt;
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group->noRes = file.readUint32LE();
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group->resHandle = new MemHandle[group->noRes];
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group->offset = new uint32[group->noRes];
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group->length = new uint32[group->noRes];
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uint32 *resIdIdx = (uint32*)malloc(group->noRes * 4);
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file.read(resIdIdx, group->noRes * 4);
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for (uint32 resCnt = 0; resCnt < group->noRes; resCnt++) {
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if (resIdIdx[resCnt]) {
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group->offset[resCnt] = file.readUint32LE();
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group->length[resCnt] = file.readUint32LE();
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_memMan->initHandle(group->resHandle + resCnt);
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} else {
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group->offset[resCnt] = 0xFFFFFFFF;
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group->length[resCnt] = 0;
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_memMan->initHandle(group->resHandle + resCnt);
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}
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}
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free(resIdIdx);
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}
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free(grpIndex);
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}
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free(cluIndex);
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if (_prj.clu[3].grp[5].noRes == 29)
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for (uint8 cnt = 0; cnt < 29; cnt++)
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_srIdList[cnt] = 0x04050000 | cnt;
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}
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void ResMan::freeCluDescript(void) {
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for (uint32 clusCnt = 0; clusCnt < _prj.noClu; clusCnt++) {
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Clu *cluster = _prj.clu + clusCnt;
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for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++) {
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Grp *group = cluster->grp + grpCnt;
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if (group->resHandle != NULL) {
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for (uint32 resCnt = 0; resCnt < group->noRes; resCnt++)
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_memMan->freeNow(group->resHandle + resCnt);
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delete[] group->resHandle;
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delete[] group->offset;
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delete[] group->length;
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}
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}
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delete[] cluster->grp;
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if (cluster->file != NULL)
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delete cluster->file;
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}
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delete[] _prj.clu;
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}
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void ResMan::flush(void) {
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for (uint32 clusCnt = 0; clusCnt < _prj.noClu; clusCnt++) {
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Clu *cluster = _prj.clu + clusCnt;
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for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++) {
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Grp *group = cluster->grp + grpCnt;
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for (uint32 resCnt = 0; resCnt < group->noRes; resCnt++)
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if (group->resHandle[resCnt].cond != MEM_FREED) {
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_memMan->setCondition(group->resHandle + resCnt, MEM_CAN_FREE);
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group->resHandle[resCnt].refCount = 0;
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}
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}
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if (cluster->file) {
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cluster->file->close();
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delete cluster->file;
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cluster->file = NULL;
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cluster->refCount = 0;
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}
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}
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_openClus = 0;
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_openCluStart = _openCluEnd = NULL;
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// the memory manager cached the blocks we asked it to free, so explicitly make it free them
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_memMan->flush();
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}
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void *ResMan::fetchRes(uint32 id) {
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MemHandle *memHandle = resHandle(id);
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if (!memHandle->data)
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error("fetchRes:: resource %d is not open!", id);
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return memHandle->data;
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}
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void *ResMan::openFetchRes(uint32 id) {
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resOpen(id);
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return fetchRes(id);
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}
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void ResMan::dumpRes(uint32 id) {
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char outn[30];
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sprintf(outn, "DUMP%08X.BIN", id);
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Common::File outf;
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if (outf.open(outn, Common::File::kFileWriteMode)) {
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resOpen(id);
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MemHandle *memHandle = resHandle(id);
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outf.write(memHandle->data, memHandle->size);
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outf.close();
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resClose(id);
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}
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}
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Header *ResMan::lockScript(uint32 scrID) {
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if (!_scriptList[scrID / ITM_PER_SEC])
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error("Script id %d not found.\n", scrID);
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scrID = _scriptList[scrID / ITM_PER_SEC];
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#ifdef SCUMM_BIG_ENDIAN
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MemHandle *memHandle = resHandle(scrID);
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if (memHandle->cond == MEM_FREED)
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openScriptResourceBigEndian(scrID);
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else
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resOpen(scrID);
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#else
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resOpen(scrID);
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#endif
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return (Header*)resHandle(scrID)->data;
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}
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void ResMan::unlockScript(uint32 scrID) {
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resClose(_scriptList[scrID / ITM_PER_SEC]);
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}
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void *ResMan::cptResOpen(uint32 id) {
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#ifdef SCUMM_BIG_ENDIAN
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MemHandle *memHandle = resHandle(id);
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if (memHandle->cond == MEM_FREED)
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openCptResourceBigEndian(id);
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else
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resOpen(id);
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#else
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resOpen(id);
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#endif
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return resHandle(id)->data;
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}
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void ResMan::resOpen(uint32 id) { // load resource ID into memory
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MemHandle *memHandle = resHandle(id);
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if (memHandle->cond == MEM_FREED) { // memory has been freed
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uint32 size = resLength(id);
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_memMan->alloc(memHandle, size);
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Common::File *clusFile = resFile(id);
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assert(clusFile);
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clusFile->seek( resOffset(id) );
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clusFile->read( memHandle->data, size);
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if (clusFile->ioFailed()) {
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error("Can't read %d bytes from offset %d from cluster file %s\nResource ID: %d (%08X)\n", size, resOffset(id), _prj.clu[(id >> 24) - 1].label, id, id);
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}
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} else
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_memMan->setCondition(memHandle, MEM_DONT_FREE);
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memHandle->refCount++;
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if (memHandle->refCount > 20) {
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debug(1, "%d references to id %d. Guess there's something wrong.", memHandle->refCount, id);
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}
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}
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void ResMan::resClose(uint32 id) {
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MemHandle *handle = resHandle(id);
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if (!handle->refCount) {
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warning("Resource Manager fail: unlocking object with refCount 0. Id: %d\n", id);
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} else {
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handle->refCount--;
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if (!handle->refCount)
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_memMan->setCondition( handle, MEM_CAN_FREE);
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}
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}
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FrameHeader *ResMan::fetchFrame(void *resourceData, uint32 frameNo) {
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uint8 *frameFile = (uint8*)resourceData;
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uint8 *idxData = frameFile + sizeof(Header);
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if (frameNo >= READ_LE_UINT32(idxData))
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error("fetchFrame:: frame %d doesn't exist in resource.", frameNo);
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frameFile += READ_LE_UINT32(idxData + (frameNo+1) * 4);
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return (FrameHeader*)frameFile;
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}
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Common::File *ResMan::resFile(uint32 id) {
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Clu *cluster = _prj.clu + ((id >> 24) - 1);
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if (cluster->file == NULL) {
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_openClus++;
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if (_openCluEnd == NULL) {
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_openCluStart = _openCluEnd = cluster;
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} else {
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_openCluEnd->nextOpen = cluster;
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_openCluEnd = cluster;
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}
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cluster->file = new Common::File();
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char fileName[15];
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sprintf(fileName, "%s.CLU", _prj.clu[(id >> 24)-1].label);
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cluster->file->open(fileName);
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if (!cluster->file->isOpen()) {
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char msg[512];
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sprintf(msg, "Couldn't open game cluster file '%s'\n\nIf you are running from CD, please ensure you have read the ScummVM documentation regarding multi-cd games.", fileName);
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guiFatalError(msg);
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}
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while (_openClus > MAX_OPEN_CLUS) {
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assert(_openCluStart);
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Clu *closeClu = _openCluStart;
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_openCluStart = _openCluStart->nextOpen;
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closeClu->file->close();
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delete closeClu->file;
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closeClu->file = NULL;
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closeClu->nextOpen = NULL;
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_openClus--;
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}
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}
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return cluster->file;
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}
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MemHandle *ResMan::resHandle(uint32 id) {
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if ((id >> 16) == 0x0405)
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id = _srIdList[id & 0xFFFF];
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uint8 cluster = (uint8)((id >> 24) - 1);
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uint8 group = (uint8)(id >> 16);
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return &(_prj.clu[cluster].grp[group].resHandle[id & 0xFFFF]);
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}
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uint32 ResMan::resLength(uint32 id) {
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if ((id >> 16) == 0x0405)
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id = _srIdList[id & 0xFFFF];
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uint8 cluster = (uint8)((id >> 24) - 1);
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uint8 group = (uint8)(id >> 16);
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return _prj.clu[cluster].grp[group].length[id & 0xFFFF];
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}
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uint32 ResMan::resOffset(uint32 id) {
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if ((id >> 16) == 0x0405)
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id = _srIdList[id & 0xFFFF];
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uint8 cluster = (uint8)((id >> 24) - 1);
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uint8 group = (uint8)(id >> 16);
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return _prj.clu[cluster].grp[group].offset[id & 0xFFFF];
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}
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void ResMan::openCptResourceBigEndian(uint32 id) {
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resOpen(id);
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MemHandle *handle = resHandle(id);
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uint32 totSize = handle->size;
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uint32 *data = (uint32*)((uint8*)handle->data + sizeof(Header));
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totSize -= sizeof(Header);
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if (totSize & 3)
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error("Illegal compact size for id %d: %d", id, totSize);
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totSize /= 4;
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for (uint32 cnt = 0; cnt < totSize; cnt++) {
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*data = READ_LE_UINT32(data);
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data++;
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}
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}
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void ResMan::openScriptResourceBigEndian(uint32 id) {
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resOpen(id);
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MemHandle *handle = resHandle(id);
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// uint32 totSize = handle->size;
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Header *head = (Header*)handle->data;
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head->comp_length = FROM_LE_32(head->comp_length);
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head->decomp_length = FROM_LE_32(head->decomp_length);
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head->version = FROM_LE_16(head->version);
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uint32 *data = (uint32*)((uint8*)handle->data + sizeof(Header));
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uint32 size = handle->size - sizeof(Header);
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if (size & 3)
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error("Odd size during script endian conversion. Resource ID =%d, size = %d", id, size);
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size >>= 2;
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for (uint32 cnt = 0; cnt < size; cnt++) {
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*data = READ_LE_UINT32(data);
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data++;
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}
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}
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uint32 ResMan::_srIdList[29] = { // the file numbers differ for the control panel file IDs, so we need this array
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OTHER_SR_FONT, // SR_FONT
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0x04050000, // SR_BUTTON
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OTHER_SR_REDFONT, // SR_REDFONT
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0x04050001, // SR_PALETTE
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0x04050002, // SR_PANEL_ENGLISH
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0x04050003, // SR_PANEL_FRENCH
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0x04050004, // SR_PANEL_GERMAN
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0x04050005, // SR_PANEL_ITALIAN
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0x04050006, // SR_PANEL_SPANISH
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0x04050007, // SR_PANEL_AMERICAN
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0x04050008, // SR_TEXT_BUTTON
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0x04050009, // SR_SPEED
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0x0405000A, // SR_SCROLL1
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0x0405000B, // SR_SCROLL2
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0x0405000C, // SR_CONFIRM
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0x0405000D, // SR_VOLUME
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0x0405000E, // SR_VLIGHT
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0x0405000F, // SR_VKNOB
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0x04050010, // SR_WINDOW
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0x04050011, // SR_SLAB1
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0x04050012, // SR_SLAB2
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0x04050013, // SR_SLAB3
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0x04050014, // SR_SLAB4
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0x04050015, // SR_BUTUF
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0x04050016, // SR_BUTUS
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0x04050017, // SR_BUTDS
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0x04050018, // SR_BUTDF
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0x04050019, // SR_DEATHPANEL
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0,
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};
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} // End of namespace Sword1
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