mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-17 07:07:10 +00:00
330 lines
9.5 KiB
C++
330 lines
9.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "scummsys.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "memman.h"
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#include "resman.h"
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#include "sworddefs.h"
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#include "base/engine.h"
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#include "common/util.h"
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#include "swordres.h"
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#define MAX_PATH_LEN 260
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ResMan::ResMan(const char *resFile, MemMan *pMemoMan) {
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_memMan = pMemoMan;
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loadCluDescript(resFile);
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}
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ResMan::~ResMan(void) {
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freeCluDescript();
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}
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void ResMan::loadCluDescript(const char *fileName) {
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File resFile;
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resFile.open(fileName);
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if (!resFile.isOpen())
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error("ResMan::loadCluDescript(): File %s not found!", fileName);
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_prj.noClu = resFile.readUint32LE();
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_prj.clu = new BsClu*[_prj.noClu];
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uint32 *cluIndex = (uint32*)malloc(_prj.noClu * 4);
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resFile.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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BsClu *cluster = _prj.clu[clusCnt] = new BsClu;
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resFile.read(cluster->label, MAX_LABEL_SIZE);
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cluster->noGrp = resFile.readUint32LE();
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cluster->grp = new BsGrp*[cluster->noGrp];
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uint32 *grpIndex = (uint32*)malloc(cluster->noGrp * 4);
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resFile.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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BsGrp *group = cluster->grp[grpCnt] = new BsGrp;
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group->noRes = resFile.readUint32LE();
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group->resHandle = new BsMemHandle[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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resFile.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] = resFile.readUint32LE();
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group->length[resCnt] = resFile.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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} else
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cluster->grp[grpCnt] = NULL;
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free(grpIndex);
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} else
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_prj.clu[clusCnt] = NULL;
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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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if (BsClu *cluster = _prj.clu[clusCnt]) {
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for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++)
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if (BsGrp *group = cluster->grp[grpCnt]) {
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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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delete group;
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}
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delete[] cluster->grp;
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delete cluster;
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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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if (BsClu *cluster = _prj.clu[clusCnt])
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for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++)
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if (BsGrp *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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void *ResMan::fetchRes(uint32 id) {
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BsMemHandle *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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FILE *outf = fopen( outn, "wb");
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resOpen(id);
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BsMemHandle *memHandle = resHandle(id);
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fwrite(memHandle->data, 1, memHandle->size, outf);
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fclose(outf);
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resClose(id);
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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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BsMemHandle *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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BsMemHandle *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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BsMemHandle *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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File *clusFile = openClusterFile(id);
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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 cluster %d\n", size, id);
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clusFile->close();
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delete clusFile;
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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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BsMemHandle *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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File *ResMan::openClusterFile(uint32 id) {
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File *clusFile = new 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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clusFile->open(fileName);
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if (!clusFile->isOpen())
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error("Can't open cluster file %s", fileName);
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return clusFile;
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}
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BsMemHandle *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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BsMemHandle *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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BsMemHandle *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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