mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-11 19:54:03 +00:00
588 lines
17 KiB
C++
588 lines
17 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/debug.h"
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#include "common/textconsole.h"
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#include "sword1/memman.h"
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#include "sword1/resman.h"
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#include "sword1/sword1.h"
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#include "sword1/swordres.h"
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#include "gui/message.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("%s", msg);
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}
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#define MAX_PATH_LEN 260
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ResMan::ResMan(const char *fileName, bool isMacFile, bool isKorean) {
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_openCluStart = _openCluEnd = nullptr;
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_openClus = 0;
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_isBigEndian = isMacFile;
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_isKorTrs = isKorean;
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_memMan = new MemMan();
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loadCluDescript(fileName);
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}
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ResMan::~ResMan() {
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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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// The cluster description file is always little endian (even on the mac version, whose cluster files are big endian)
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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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Common::sprintf_s(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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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 = nullptr;
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cluster->noGrp = file.readUint32LE();
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cluster->grp = new Grp[cluster->noGrp];
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cluster->nextOpen = nullptr;
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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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if (_isKorTrs) {
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Common::File cluFile;
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cluFile.open("korean.clu");
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if (cluFile.isOpen()) {
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for (uint32 resCnt = 0, resOffset = 0; resCnt < _prj.clu[2].grp[0].noRes; resCnt++) {
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Header header;
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cluFile.read(&header, sizeof(Header));
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_prj.clu[2].grp[0].offset[resCnt] = resOffset;
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_prj.clu[2].grp[0].length[resCnt] = header.comp_length;
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resOffset += header.comp_length;
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cluFile.seek(header.decomp_length, SEEK_CUR);
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}
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Common::strcpy_s(_prj.clu[2].label, "korean");
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} else {
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_isKorTrs = false;
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}
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}
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}
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void ResMan::freeCluDescript() {
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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 != nullptr) {
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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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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() {
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Common::StackLock lock(_resourceAccessMutex);
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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 = nullptr;
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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 = nullptr;
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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) {
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warning("fetchRes:: resource %d out of bounds", id);
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return nullptr;
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}
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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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Common::sprintf_s(outn, "DUMP%08X.BIN", id);
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Common::DumpFile outf;
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if (outf.open(outn)) {
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resOpen(id);
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MemHandle *memHandle = resHandle(id);
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if (memHandle) {
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outf.write(memHandle->data, memHandle->size);
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outf.close();
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}
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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", scrID);
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scrID = _scriptList[scrID / ITM_PER_SEC];
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#ifdef SCUMM_BIG_ENDIAN
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openScriptResourceBigEndian(scrID);
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#else
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openScriptResourceLittleEndian(scrID);
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#endif
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MemHandle *handle = resHandle(scrID);
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if (!handle)
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error("Script resource handle %d not found", scrID);
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return (Header *)handle->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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openCptResourceBigEndian(id);
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#else
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openCptResourceLittleEndian(id);
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#endif
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MemHandle *handle = resHandle(id);
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return handle != nullptr ? handle->data : nullptr;
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}
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void ResMan::resOpen(uint32 id) { // load resource ID into memory
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Common::StackLock lock(_resourceAccessMutex);
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MemHandle *memHandle = resHandle(id);
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if (!memHandle)
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return;
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if (memHandle->cond == MEM_FREED) { // memory has been freed
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if (id == GAME_FONT && _isKorTrs) {
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// Load Korean Font
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uint32 size = resLength(id);
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uint32 korFontSize = 0;
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Common::File korFontFile;
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korFontFile.open("bs1k.fnt");
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if (korFontFile.isOpen()) {
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korFontSize = korFontFile.size();
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}
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_memMan->alloc(memHandle, size + korFontSize);
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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->err() || clusFile->eos()) {
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error("Can't read %d bytes from offset %d from cluster file %s\nResource ID: %d (%08X)", size, resOffset(id), _prj.clu[(id >> 24) - 1].label, id, id);
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}
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if (korFontSize > 0) {
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korFontFile.read((uint8 *)memHandle->data + size, korFontSize);
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}
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} else {
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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->err() || clusFile->eos()) {
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error("Can't read %d bytes from offset %d from cluster file %s\nResource ID: %d (%08X)", size, resOffset(id), _prj.clu[(id >> 24) - 1].label, id, id);
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}
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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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Common::StackLock lock(_resourceAccessMutex);
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MemHandle *handle = resHandle(id);
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if (!handle)
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return;
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if (!handle->refCount) {
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warning("Resource Manager fail: unlocking object with refCount 0. Id: %d", 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 (_isBigEndian) {
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if (frameNo >= READ_BE_UINT32(idxData))
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error("fetchFrame:: frame %d doesn't exist in resource.", frameNo);
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frameFile += READ_BE_UINT32(idxData + (frameNo + 1) * 4);
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} else {
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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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}
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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 == nullptr) {
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_openClus++;
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if (_openCluEnd == nullptr) {
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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[36];
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// Supposes that big endian means mac cluster file and little endian means PC cluster file.
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// This works, but we may want to separate the file name from the endianess or try .CLM extension if opening.clu file fail.
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if (_isBigEndian)
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Common::sprintf_s(fileName, "%s.CLM", _prj.clu[(id >> 24) - 1].label);
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else
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Common::sprintf_s(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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Common::sprintf_s(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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if (closeClu->file)
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closeClu->file->close();
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delete closeClu->file;
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closeClu->file = nullptr;
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closeClu->nextOpen = nullptr;
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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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// There is a known case of reading beyond array boundaries when trying to use
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// portuguese subtitles (cluster file 2, group 6) with a version that does not
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// contain subtitles for this languages (i.e. has only 6 languages and not 7).
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if (cluster >= _prj.noClu || group >= _prj.clu[cluster].noGrp)
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return nullptr;
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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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if (cluster >= _prj.noClu || group >= _prj.clu[cluster].noGrp)
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return 0;
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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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if (cluster >= _prj.noClu || group >= _prj.clu[cluster].noGrp)
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return 0;
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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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bool needByteSwap = false;
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if (!_isBigEndian) {
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// Cluster files are in little endian fomat.
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// If the resource are not in memory anymore, and therefore will be read
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// from disk, they will need to be byte swaped.
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MemHandle *memHandle = resHandle(id);
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if (memHandle)
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needByteSwap = (memHandle->cond == MEM_FREED);
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}
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resOpen(id);
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if (needByteSwap) {
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MemHandle *handle = resHandle(id);
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if (!handle)
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return;
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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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}
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void ResMan::openCptResourceLittleEndian(uint32 id) {
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bool needByteSwap = false;
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if (_isBigEndian) {
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// Cluster files are in big endian fomat.
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// If the resource are not in memory anymore, and therefore will be read
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// from disk, they will need to be byte swaped.
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MemHandle *memHandle = resHandle(id);
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if (memHandle)
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needByteSwap = (memHandle->cond == MEM_FREED);
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}
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resOpen(id);
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if (needByteSwap) {
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MemHandle *handle = resHandle(id);
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if (!handle)
|
|
return;
|
|
uint32 totSize = handle->size;
|
|
uint32 *data = (uint32 *)((uint8 *)handle->data + sizeof(Header));
|
|
totSize -= sizeof(Header);
|
|
if (totSize & 3)
|
|
error("Illegal compact size for id %d: %d", id, totSize);
|
|
totSize /= 4;
|
|
for (uint32 cnt = 0; cnt < totSize; cnt++) {
|
|
*data = READ_BE_UINT32(data);
|
|
data++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ResMan::openScriptResourceBigEndian(uint32 id) {
|
|
bool needByteSwap = false;
|
|
if (!_isBigEndian) {
|
|
// Cluster files are in little endian fomat.
|
|
// If the resource are not in memory anymore, and therefore will be read
|
|
// from disk, they will need to be byte swaped.
|
|
MemHandle *memHandle = resHandle(id);
|
|
if (memHandle)
|
|
needByteSwap = (memHandle->cond == MEM_FREED);
|
|
}
|
|
resOpen(id);
|
|
if (needByteSwap) {
|
|
MemHandle *handle = resHandle(id);
|
|
if (!handle)
|
|
return;
|
|
// uint32 totSize = handle->size;
|
|
Header *head = (Header *)handle->data;
|
|
head->comp_length = FROM_LE_32(head->comp_length);
|
|
head->decomp_length = FROM_LE_32(head->decomp_length);
|
|
head->version = FROM_LE_16(head->version);
|
|
uint32 *data = (uint32 *)((uint8 *)handle->data + sizeof(Header));
|
|
uint32 size = handle->size - sizeof(Header);
|
|
if (size & 3)
|
|
error("Odd size during script endian conversion. Resource ID =%d, size = %d", id, size);
|
|
size >>= 2;
|
|
for (uint32 cnt = 0; cnt < size; cnt++) {
|
|
*data = READ_LE_UINT32(data);
|
|
data++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ResMan::openScriptResourceLittleEndian(uint32 id) {
|
|
bool needByteSwap = false;
|
|
if (_isBigEndian) {
|
|
// Cluster files are in big endian fomat.
|
|
// If the resource are not in memory anymore, and therefore will be read
|
|
// from disk, they will need to be byte swaped.
|
|
MemHandle *memHandle = resHandle(id);
|
|
if (memHandle)
|
|
needByteSwap = (memHandle->cond == MEM_FREED);
|
|
}
|
|
resOpen(id);
|
|
if (needByteSwap) {
|
|
MemHandle *handle = resHandle(id);
|
|
if (!handle)
|
|
return;
|
|
// uint32 totSize = handle->size;
|
|
Header *head = (Header *)handle->data;
|
|
head->comp_length = FROM_BE_32(head->comp_length);
|
|
head->decomp_length = FROM_BE_32(head->decomp_length);
|
|
head->version = FROM_BE_16(head->version);
|
|
uint32 *data = (uint32 *)((uint8 *)handle->data + sizeof(Header));
|
|
uint32 size = handle->size - sizeof(Header);
|
|
if (size & 3)
|
|
error("Odd size during script endian conversion. Resource ID =%d, size = %d", id, size);
|
|
size >>= 2;
|
|
for (uint32 cnt = 0; cnt < size; cnt++) {
|
|
*data = READ_BE_UINT32(data);
|
|
data++;
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32 ResMan::getDeathFontId() {
|
|
// At some point in the releases (as evidenced by the disasms of all
|
|
// known executables, and by the source code in our possession), Revolution
|
|
// changed the resource offsets for some files. I have tried EVERYTHING to
|
|
// try and discern which file we are dealing with and spectacularly failed.
|
|
// The only choice which seems to work correctly is to check the file size,
|
|
// as the newer GENERAL.CLU file is bigger. Sorry.
|
|
if (SwordEngine::isPsx())
|
|
return SR_FONT;
|
|
|
|
Common::File fp;
|
|
if (fp.open(SwordEngine::isMac() ? "GENERAL.CLM" : "GENERAL.CLU")) {
|
|
fp.seek(0, SEEK_END);
|
|
int64 fileSize = fp.pos();
|
|
|
|
if (SwordEngine::_systemVars.realLanguage == Common::RU_RUS) {
|
|
switch (fileSize) {
|
|
case 6081261: // Akella
|
|
return SR_DEATHFONT;
|
|
case 6354790: // Mediahauz
|
|
return SR_FONT;
|
|
case 6350630: // Novy Disk
|
|
return SR_DEATHFONT_ALT;
|
|
default:
|
|
warning("ResMan::getDeathFontId(): Unrecognized version of russian GENERAL.CLU, size %d", (int)fileSize);
|
|
break;
|
|
}
|
|
|
|
return SR_FONT;
|
|
} else if (fileSize < 6295679) {
|
|
return SR_DEATHFONT;
|
|
} else {
|
|
return SR_DEATHFONT_ALT;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
} // End of namespace Sword1
|