119 lines
3.1 KiB
C++
119 lines
3.1 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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#ifndef LASTEXPRESS_ARCHIVE_H
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#define LASTEXPRESS_ARCHIVE_H
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#include "lastexpress/lastexpress.h"
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#include "common/file.h"
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namespace LastExpress {
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struct Seq;
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/*
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* HPF Archive Format
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*
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* * uint32 {4} Number of files
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*
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* For each file:
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* * char {12} Name (zero-terminated)
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* * uint32 {4} Offset (expressed in sectors of 2048 bytes)
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* * uint16 {2} Size (expressed in sectors of 2048 bytes)
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* * uint16 {2} Current position (expressed in sectors of 2048 bytes)
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* * uint16 {2} File status flags:
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* - Bit 0: "Is on CD"
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* - Bit 1: "Is loaded"
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*/
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typedef struct HPF {
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char name[12];
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uint32 offset;
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uint16 size;
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uint16 currentPos;
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uint16 status;
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// For Gold Edition only
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Common::ArchiveMemberPtr archiveRef;
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Common::String archiveName;
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HPF() {
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memset(name, 0, sizeof(name));
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offset = 0;
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size = 0;
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currentPos = 0;
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status = 0;
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archiveRef = nullptr;
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archiveName = "";
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};
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} HPF;
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enum HPFFlags {
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kHPFFileIsOnCD = 1 << 0,
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kHPFFileIsLoaded = 1 << 1,
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};
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class ArchiveManager {
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public:
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ArchiveManager(LastExpressEngine *engine);
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virtual ~ArchiveManager();
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HPF *search(const char *name, HPF *archive, int archiveSize);
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virtual bool lockCD(int32 index);
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virtual bool isCDAvailable(int cdNum, char *outPath, int pathSize);
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virtual bool lockCache(char *filename);
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virtual void initHPFS();
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virtual void shutDownHPFS();
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void unlockCD();
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virtual HPF *openHPF(const char *filename);
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void readHD(void *dstBuf, int offset, uint32 size);
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void readCD(void *dstBuf, int offset, uint32 size);
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virtual void readHPF(HPF *archive, void *dstBuf, uint32 size);
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void seekHPF(HPF *archive, uint32 position);
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void closeHPF(HPF *archive);
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virtual int loadBG(const char *filename);
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Seq *loadSeq(const char *filename, uint8 ticksToWaitUntilCycleRestart, int character);
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void loadMice();
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protected:
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LastExpressEngine *_engine = nullptr;
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Common::File *_cdFilePointer = nullptr;
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int32 _cdFilePosition = 0;
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int32 _cdArchiveNumFiles = 0;
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Common::File *_hdFilePointer = nullptr;
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int32 _hdFilePosition = 0;
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int32 _hdArchiveNumFiles = 0;
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HPF *_cdArchive = nullptr;
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HPF *_hdArchive = nullptr;
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int32 _cdArchiveIndex = 0;
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};
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} // End of namespace LastExpress
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#endif // LASTEXPRESS_ARCHIVE_H
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