mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-29 13:16:18 +00:00
746 lines
20 KiB
C++
746 lines
20 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2006 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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// Resource file routines for Simon1/Simon2
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#include "common/stdafx.h"
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#include "common/file.h"
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#include "agos/agos.h"
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#include "agos/intern.h"
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#include "agos/sound.h"
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#ifdef USE_ZLIB
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#include <zlib.h>
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#endif
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using Common::File;
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namespace AGOS {
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uint16 AGOSEngine::to16Wrapper(uint value) {
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if (getGameType() == GType_FF || getGameType() == GType_PP)
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return TO_LE_16(value);
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else
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return TO_BE_16(value);
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}
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uint16 AGOSEngine::readUint16Wrapper(const void *src) {
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if (getGameType() == GType_FF || getGameType() == GType_PP)
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return READ_LE_UINT16(src);
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else
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return READ_BE_UINT16(src);
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}
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uint32 AGOSEngine::readUint32Wrapper(const void *src) {
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if (getGameType() == GType_FF || getGameType() == GType_PP)
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return READ_LE_UINT32(src);
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else
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return READ_BE_UINT32(src);
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}
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void AGOSEngine::decompressData(const char *srcName, byte *dst, uint32 offset, uint32 srcSize, uint32 dstSize) {
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#ifdef USE_ZLIB
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File in;
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in.open(srcName);
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if (in.isOpen() == false)
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error("decompressData: Can't load %s", srcName);
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in.seek(offset, SEEK_SET);
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if (srcSize != dstSize) {
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byte *srcBuffer = (byte *)malloc(srcSize);
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if (in.read(srcBuffer, srcSize) != srcSize)
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error("decompressData: Read failed");
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unsigned long decompressedSize = dstSize;
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int result = uncompress(dst, &decompressedSize, srcBuffer, srcSize);
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if (result != Z_OK)
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error("decompressData: Zlib uncompress error");
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free(srcBuffer);
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} else {
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if (in.read(dst, dstSize) != dstSize)
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error("decompressData: Read failed");
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}
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in.close();
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#else
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error("Zlib support is required for Amiga and Macintosh versions");
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#endif
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}
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void AGOSEngine::loadOffsets(const char *filename, int number, uint32 &file, uint32 &offset, uint32 &srcSize, uint32 &dstSize) {
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Common::File in;
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int offsSize = (getPlatform() == Common::kPlatformAmiga) ? 16 : 12;
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/* read offsets from index */
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in.open(filename);
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if (in.isOpen() == false) {
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error("loadOffsets: Can't load index file '%s'", filename);
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}
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in.seek(number * offsSize, SEEK_SET);
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offset = in.readUint32LE();
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dstSize = in.readUint32LE();
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srcSize = in.readUint32LE();
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file = in.readUint32LE();
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in.close();
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}
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int AGOSEngine::allocGamePcVars(Common::SeekableReadStream *in) {
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uint item_array_size, item_array_inited, stringtable_num;
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uint32 version;
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uint i;
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item_array_size = in->readUint32BE();
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version = in->readUint32BE();
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item_array_inited = in->readUint32BE();
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stringtable_num = in->readUint32BE();
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// First two items are predefined
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if (getGameType() == GType_ELVIRA1 || getGameType() == GType_ELVIRA2) {
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item_array_size += 2;
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item_array_inited = item_array_size;
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} else {
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item_array_inited += 2;
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item_array_size += 2;
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}
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if (version != 0x80)
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error("allocGamePcVars: Not a runtime database");
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_itemArrayPtr = (Item **)calloc(item_array_size, sizeof(Item *));
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if (_itemArrayPtr == NULL)
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error("allocGamePcVars: Out of memory for Item array");
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_itemArraySize = item_array_size;
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_itemArrayInited = item_array_inited;
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for (i = 1; i < item_array_inited; i++) {
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_itemArrayPtr[i] = (Item *)allocateItem(sizeof(Item));
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}
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// The rest is cleared automatically by calloc
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allocateStringTable(stringtable_num + 10);
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_stringTabNum = stringtable_num;
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return item_array_inited;
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}
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void AGOSEngine::loadGamePcFile() {
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Common::File in;
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int fileSize;
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if (getFileName(GAME_BASEFILE) != NULL) {
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/* Read main gamexx file */
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in.open(getFileName(GAME_BASEFILE));
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if (in.isOpen() == false) {
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error("loadGamePcFile: Can't load gamexx file '%s'", getFileName(GAME_BASEFILE));
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}
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if (getFeatures() & GF_CRUNCHED_GAMEPC) {
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uint srcSize = in.size();
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byte *srcBuf = (byte *)malloc(srcSize);
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in.read(srcBuf, srcSize);
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uint dstSize = READ_BE_UINT32(srcBuf + srcSize - 4);
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byte *dstBuf = (byte *)malloc(dstSize);
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decrunchFile(srcBuf, dstBuf, srcSize);
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free(srcBuf);
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Common::MemoryReadStream stream(dstBuf, dstSize);
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readGamePcFile(&stream);
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free(dstBuf);
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} else {
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readGamePcFile(&in);
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}
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in.close();
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}
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if (getFileName(GAME_TBLFILE) != NULL) {
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/* Read list of TABLE resources */
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in.open(getFileName(GAME_TBLFILE));
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if (in.isOpen() == false) {
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error("loadGamePcFile: Can't load table resources file '%s'", getFileName(GAME_TBLFILE));
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}
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fileSize = in.size();
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_tblList = (byte *)malloc(fileSize);
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if (_tblList == NULL)
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error("loadGamePcFile: Out of memory for strip table list");
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in.read(_tblList, fileSize);
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in.close();
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/* Remember the current state */
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_subroutineListOrg = _subroutineList;
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_tablesHeapPtrOrg = _tablesHeapPtr;
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_tablesHeapCurPosOrg = _tablesHeapCurPos;
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}
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if (getFileName(GAME_STRFILE) != NULL) {
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/* Read list of TEXT resources */
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in.open(getFileName(GAME_STRFILE));
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if (in.isOpen() == false)
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error("loadGamePcFile: Can't load text resources file '%s'", getFileName(GAME_STRFILE));
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fileSize = in.size();
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_strippedTxtMem = (byte *)malloc(fileSize);
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if (_strippedTxtMem == NULL)
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error("loadGamePcFile: Out of memory for strip text list");
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in.read(_strippedTxtMem, fileSize);
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in.close();
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}
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if (getFileName(GAME_RMSLFILE) != NULL) {
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/* Read list of ROOM ITEMS resources */
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in.open(getFileName(GAME_RMSLFILE));
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if (in.isOpen() == false) {
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error("loadGamePcFile: Can't load room resources file '%s'", getFileName(GAME_RMSLFILE));
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}
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fileSize = in.size();
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_roomsList = (byte *)malloc(fileSize);
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if (_roomsList == NULL)
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error("loadGamePcFile: Out of memory for room items list");
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in.read(_roomsList, fileSize);
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in.close();
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}
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if (getFileName(GAME_XTBLFILE) != NULL) {
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/* Read list of XTABLE resources */
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in.open(getFileName(GAME_XTBLFILE));
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if (in.isOpen() == false) {
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error("loadGamePcFile: Can't load xtable resources file '%s'", getFileName(GAME_XTBLFILE));
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}
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fileSize = in.size();
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_xtblList = (byte *)malloc(fileSize);
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if (_xtblList == NULL)
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error("loadGamePcFile: Out of memory for strip xtable list");
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in.read(_xtblList, fileSize);
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in.close();
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/* Remember the current state */
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_xsubroutineListOrg = _subroutineList;
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_xtablesHeapPtrOrg = _tablesHeapPtr;
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_xtablesHeapCurPosOrg = _tablesHeapCurPos;
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}
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}
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void AGOSEngine::readGamePcFile(Common::SeekableReadStream *in) {
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int num_inited_objects;
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int i;
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num_inited_objects = allocGamePcVars(in);
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createPlayer();
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readGamePcText(in);
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for (i = 2; i < num_inited_objects; i++) {
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readItemFromGamePc(in, _itemArrayPtr[i]);
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}
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readSubroutineBlock(in);
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}
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void AGOSEngine::readGamePcText(Common::SeekableReadStream *in) {
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_textSize = in->readUint32BE();
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_textMem = (byte *)malloc(_textSize);
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if (_textMem == NULL)
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error("readGamePcText: Out of text memory");
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in->read(_textMem, _textSize);
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setupStringTable(_textMem, _stringTabNum);
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}
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void AGOSEngine::readItemFromGamePc(Common::SeekableReadStream *in, Item *item) {
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uint32 type;
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if (getGameType() == GType_ELVIRA1) {
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item->itemName = (uint16)in->readUint32BE();
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item->adjective = in->readUint16BE();
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item->noun = in->readUint16BE();
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item->state = in->readUint16BE();
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in->readUint16BE();
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item->next = (uint16)fileReadItemID(in);
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item->child = (uint16)fileReadItemID(in);
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item->parent = (uint16)fileReadItemID(in);
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in->readUint16BE();
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in->readUint16BE();
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in->readUint16BE();
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item->classFlags = in->readUint16BE();
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item->children = NULL;
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} else if (getGameType() == GType_ELVIRA2) {
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item->itemName = (uint16)in->readUint32BE();
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item->adjective = in->readUint16BE();
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item->noun = in->readUint16BE();
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item->state = in->readUint16BE();
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item->next = (uint16)fileReadItemID(in);
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item->child = (uint16)fileReadItemID(in);
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item->parent = (uint16)fileReadItemID(in);
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in->readUint16BE();
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item->classFlags = in->readUint16BE();
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item->children = NULL;
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} else {
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item->adjective = in->readUint16BE();
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item->noun = in->readUint16BE();
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item->state = in->readUint16BE();
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item->next = (uint16)fileReadItemID(in);
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item->child = (uint16)fileReadItemID(in);
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item->parent = (uint16)fileReadItemID(in);
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in->readUint16BE();
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item->classFlags = in->readUint16BE();
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item->children = NULL;
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}
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type = in->readUint32BE();
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while (type) {
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type = in->readUint16BE();
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if (type != 0)
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readItemChildren(in, item, type);
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}
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}
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void AGOSEngine::readItemChildren(Common::SeekableReadStream *in, Item *item, uint type) {
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if (type == 1) {
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if (getGameType() == GType_ELVIRA1) {
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SubRoom *subRoom = (SubRoom *)allocateChildBlock(item, 1, sizeof(SubRoom));
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subRoom->roomShort = in->readUint32BE();
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subRoom->roomLong = in->readUint32BE();
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subRoom->flags = in->readUint16BE();
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} else {
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uint fr1 = in->readUint16BE();
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uint fr2 = in->readUint16BE();
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uint i, size;
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uint j, k;
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SubRoom *subRoom;
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size = SubRoom_SIZE;
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for (i = 0, j = fr2; i != 6; i++, j >>= 2)
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if (j & 3)
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size += sizeof(subRoom->roomExit[0]);
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subRoom = (SubRoom *)allocateChildBlock(item, 1, size);
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subRoom->subroutine_id = fr1;
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subRoom->roomExitStates = fr2;
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for (i = k = 0, j = fr2; i != 6; i++, j >>= 2)
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if (j & 3)
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subRoom->roomExit[k++] = (uint16)fileReadItemID(in);
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}
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} else if (type == 2) {
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if (getGameType() == GType_ELVIRA1) {
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SubObject *subObject = (SubObject *)allocateChildBlock(item, 2, sizeof(SubObject));
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in->readUint32BE();
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in->readUint32BE();
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in->readUint32BE();
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subObject->objectName = in->readUint32BE();
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subObject->objectSize = in->readUint16BE();
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subObject->objectWeight = in->readUint16BE();
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subObject->objectFlags = in->readUint16BE();
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} else {
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uint32 fr = in->readUint32BE();
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uint i, k, size;
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SubObject *subObject;
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size = SubObject_SIZE;
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for (i = 0; i != 16; i++)
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if (fr & (1 << i))
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size += sizeof(subObject->objectFlagValue[0]);
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subObject = (SubObject *)allocateChildBlock(item, 2, size);
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subObject->objectFlags = fr;
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k = 0;
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if (fr & 1) {
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subObject->objectFlagValue[k++] = (uint16)in->readUint32BE();
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}
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for (i = 1; i != 16; i++)
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if (fr & (1 << i))
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subObject->objectFlagValue[k++] = in->readUint16BE();
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if (getGameType() != GType_ELVIRA2)
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subObject->objectName = (uint16)in->readUint32BE();
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}
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} else if (type == 4) {
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if (getGameType() == GType_ELVIRA2) {
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uint i, j, k, size;
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uint id, x, y, z;
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SubSuperRoom *subSuperRoom;
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id = in->readUint16BE();
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x = in->readUint16BE();
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y = in->readUint16BE();
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z = in->readUint16BE();
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j = x * y * z;
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size = SubSuperRoom_SIZE;
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for (i = 0; i != j; i++)
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size += sizeof(subSuperRoom->roomExitStates[0]);
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subSuperRoom = (SubSuperRoom *)allocateChildBlock(item, 4, size);
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subSuperRoom->subroutine_id = id;
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subSuperRoom->roomX = x;
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subSuperRoom->roomY = y;
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subSuperRoom->roomZ = z;
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for (i = k = 0; i != j; i++)
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subSuperRoom->roomExitStates[k++] = in->readUint16BE();
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} else if (getGameType() == GType_ELVIRA1) {
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SubGenExit *genExit = (SubGenExit *)allocateChildBlock(item, 4, sizeof(SubGenExit));
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genExit->dest[0] = (uint16)fileReadItemID(in);
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genExit->dest[1] = (uint16)fileReadItemID(in);
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genExit->dest[2] = (uint16)fileReadItemID(in);
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genExit->dest[3] = (uint16)fileReadItemID(in);
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genExit->dest[4] = (uint16)fileReadItemID(in);
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genExit->dest[5] = (uint16)fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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}
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} else if (type == 7) {
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SubContainer *container = (SubContainer *)allocateChildBlock(item, 7, sizeof(SubContainer));
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container->volume = in->readUint16BE();
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container->flags = in->readUint16BE();
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} else if (type == 8) {
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SubChain *chain = (SubChain *)allocateChildBlock(item, 8, sizeof(SubChain));
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chain->chChained = (uint16)fileReadItemID(in);
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} else if (type == 9) {
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setUserFlag(item, 0, in->readUint16BE());
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setUserFlag(item, 1, in->readUint16BE());
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setUserFlag(item, 2, in->readUint16BE());
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setUserFlag(item, 3, in->readUint16BE());
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if (getGameType() == GType_ELVIRA1) {
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setUserFlag(item, 4, in->readUint16BE());
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setUserFlag(item, 5, in->readUint16BE());
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setUserFlag(item, 6, in->readUint16BE());
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setUserFlag(item, 7, in->readUint16BE());
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SubUserFlag *subUserFlag = (SubUserFlag *) findChildOfType(item, 9);
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subUserFlag->userItems[0] = (uint16)fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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fileReadItemID(in);
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}
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} else if (type == 255) {
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SubInherit *inherit = (SubInherit *)allocateChildBlock(item, 255, sizeof(SubInherit));
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inherit->inMaster = (uint16)fileReadItemID(in);
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} else {
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error("readItemChildren: invalid type %d", type);
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}
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}
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uint fileReadItemID(Common::SeekableReadStream *in) {
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uint32 val = in->readUint32BE();
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if (val == 0xFFFFFFFF)
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return 0;
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return val + 2;
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}
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void AGOSEngine::openGameFile() {
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_gameFile = new File();
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_gameFile->open(getFileName(GAME_GMEFILE));
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if (!_gameFile->isOpen())
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error("openGameFile: Can't load game file '%s'", getFileName(GAME_GMEFILE));
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uint32 size = _gameFile->readUint32LE();
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_gameOffsetsPtr = (uint32 *)malloc(size);
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if (_gameOffsetsPtr == NULL)
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error("openGameFile: Out of memory, game offsets");
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_gameFile->seek(0, SEEK_SET);
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for (uint r = 0; r < size / 4; r++)
|
|
_gameOffsetsPtr[r] = _gameFile->readUint32LE();
|
|
}
|
|
|
|
void AGOSEngine::readGameFile(void *dst, uint32 offs, uint32 size) {
|
|
_gameFile->seek(offs, SEEK_SET);
|
|
if (_gameFile->read(dst, size) != size)
|
|
error("readGameFile: Read failed (%d,%d)", offs, size);
|
|
}
|
|
|
|
// Thanks to Stuart Caie for providing the original
|
|
// C conversion upon which this decruncher is based.
|
|
|
|
#define SD_GETBIT(var) do { \
|
|
if (!bits--) { \
|
|
s -= 4; \
|
|
if (s < src) \
|
|
return false; \
|
|
bb = READ_BE_UINT32(s); \
|
|
bits = 31; \
|
|
} \
|
|
(var) = bb & 1; \
|
|
bb >>= 1; \
|
|
}while (0)
|
|
|
|
#define SD_GETBITS(var, nbits) do { \
|
|
bc = (nbits); \
|
|
(var) = 0; \
|
|
while (bc--) { \
|
|
(var) <<= 1; \
|
|
SD_GETBIT(bit); \
|
|
(var) |= bit; \
|
|
} \
|
|
}while (0)
|
|
|
|
#define SD_TYPE_LITERAL (0)
|
|
#define SD_TYPE_MATCH (1)
|
|
|
|
bool AGOSEngine::decrunchFile(byte *src, byte *dst, uint32 size) {
|
|
byte *s = src + size - 4;
|
|
uint32 destlen = READ_BE_UINT32 (s);
|
|
uint32 bb, x, y;
|
|
byte *d = dst + destlen;
|
|
byte bc, bit, bits, type;
|
|
|
|
// Initialize bit buffer.
|
|
s -= 4;
|
|
bb = x = READ_BE_UINT32 (s);
|
|
bits = 0;
|
|
do {
|
|
x >>= 1;
|
|
bits++;
|
|
} while (x);
|
|
bits--;
|
|
|
|
while (d > dst) {
|
|
SD_GETBIT(x);
|
|
if (x) {
|
|
SD_GETBITS(x, 2);
|
|
switch (x) {
|
|
case 0:
|
|
type = SD_TYPE_MATCH;
|
|
x = 9;
|
|
y = 2;
|
|
break;
|
|
|
|
case 1:
|
|
type = SD_TYPE_MATCH;
|
|
x = 10;
|
|
y = 3;
|
|
break;
|
|
|
|
case 2:
|
|
type = SD_TYPE_MATCH;
|
|
x = 12;
|
|
SD_GETBITS(y, 8);
|
|
break;
|
|
|
|
default:
|
|
type = SD_TYPE_LITERAL;
|
|
x = 8;
|
|
y = 8;
|
|
}
|
|
} else {
|
|
SD_GETBIT(x);
|
|
if (x) {
|
|
type = SD_TYPE_MATCH;
|
|
x = 8;
|
|
y = 1;
|
|
} else {
|
|
type = SD_TYPE_LITERAL;
|
|
x = 3;
|
|
y = 0;
|
|
}
|
|
}
|
|
|
|
if (type == SD_TYPE_LITERAL) {
|
|
SD_GETBITS(x, x);
|
|
y += x;
|
|
if ((int)(y + 1) > (d - dst))
|
|
return false; // Overflow?
|
|
do {
|
|
SD_GETBITS(x, 8);
|
|
*--d = x;
|
|
} while (y-- > 0);
|
|
} else {
|
|
if ((int)(y + 1) > (d - dst))
|
|
return false; // Overflow?
|
|
SD_GETBITS(x, x);
|
|
if ((d + x) > (dst + destlen))
|
|
return false; // Offset overflow?
|
|
do {
|
|
d--;
|
|
*d = d[x];
|
|
} while (y-- > 0);
|
|
}
|
|
}
|
|
|
|
// Successful decrunch.
|
|
return true;
|
|
}
|
|
|
|
#undef SD_GETBIT
|
|
#undef SD_GETBITS
|
|
#undef SD_TYPE_LITERAL
|
|
#undef SD_TYPE_MATCH
|
|
|
|
void AGOSEngine::loadVGABeardFile(uint id) {
|
|
uint32 offs, size;
|
|
|
|
if (getFeatures() & GF_OLD_BUNDLE) {
|
|
File in;
|
|
char filename[15];
|
|
if (id == 23)
|
|
id = 112;
|
|
else if (id == 328)
|
|
id = 119;
|
|
|
|
if (getPlatform() == Common::kPlatformAmiga) {
|
|
if (getFeatures() & GF_TALKIE)
|
|
sprintf(filename, "0%d.out", id);
|
|
else
|
|
sprintf(filename, "0%d.pkd", id);
|
|
} else {
|
|
sprintf(filename, "0%d.VGA", id);
|
|
}
|
|
|
|
in.open(filename);
|
|
if (in.isOpen() == false)
|
|
error("loadSimonVGAFile: Can't load %s", filename);
|
|
|
|
size = in.size();
|
|
if (getFeatures() & GF_CRUNCHED) {
|
|
byte *srcBuffer = (byte *)malloc(size);
|
|
if (in.read(srcBuffer, size) != size)
|
|
error("loadSimonVGAFile: Read failed");
|
|
decrunchFile(srcBuffer, _vgaBufferPointers[11].vgaFile2, size);
|
|
free(srcBuffer);
|
|
} else {
|
|
if (in.read(_vgaBufferPointers[11].vgaFile2, size) != size)
|
|
error("loadSimonVGAFile: Read failed");
|
|
}
|
|
in.close();
|
|
} else {
|
|
offs = _gameOffsetsPtr[id];
|
|
|
|
size = _gameOffsetsPtr[id + 1] - offs;
|
|
readGameFile(_vgaBufferPointers[11].vgaFile2, offs, size);
|
|
}
|
|
}
|
|
|
|
void AGOSEngine::loadVGAVideoFile(uint id, uint type) {
|
|
File in;
|
|
char filename[15];
|
|
byte *dst;
|
|
uint32 file, offs, srcSize, dstSize;
|
|
uint extraBuffer = 0;
|
|
|
|
if ((getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) &&
|
|
id == 2 && type == 2) {
|
|
// WORKAROUND: For the exta long strings in foreign languages
|
|
// Allocate more space for text to cope with foreign languages that use
|
|
// up more space than english. I hope 6400 bytes are enough. This number
|
|
// is base on: 2 (lines) * 320 (screen width) * 10 (textheight) -- olki
|
|
extraBuffer += 6400;
|
|
}
|
|
|
|
if (getFeatures() & GF_ZLIBCOMP) {
|
|
loadOffsets(getFileName(GAME_GFXIDXFILE), id * 3 + type, file, offs, srcSize, dstSize);
|
|
|
|
if (getPlatform() == Common::kPlatformAmiga)
|
|
sprintf(filename, "GFX%d.VGA", file);
|
|
else
|
|
sprintf(filename, "graphics.vga");
|
|
|
|
dst = allocBlock(dstSize + extraBuffer);
|
|
decompressData(filename, dst, offs, srcSize, dstSize);
|
|
} else if (getFeatures() & GF_OLD_BUNDLE) {
|
|
if (getPlatform() == Common::kPlatformAcorn) {
|
|
sprintf(filename, "%.3d%d.DAT", id, type);
|
|
} else if (getPlatform() == Common::kPlatformAmiga || getPlatform() == Common::kPlatformAtariST) {
|
|
if (getFeatures() & GF_TALKIE) {
|
|
sprintf(filename, "%.3d%d.out", id, type);
|
|
} else if (getGameType() == GType_ELVIRA1 && getFeatures() & GF_DEMO) {
|
|
if (getPlatform() == Common::kPlatformAtariST)
|
|
sprintf(filename, "%.2d%d.out", id, type);
|
|
else if (id == 20)
|
|
sprintf(filename, "D%d.out", type);
|
|
else if (id == 26)
|
|
sprintf(filename, "J%d.out", type);
|
|
else if (id == 27)
|
|
sprintf(filename, "K%d.out", type);
|
|
else if (id == 33)
|
|
sprintf(filename, "Q%d.out", type);
|
|
else if (id == 34)
|
|
sprintf(filename, "R%d.out", type);
|
|
else
|
|
sprintf(filename, "%.1d%d.out", id, type);
|
|
} else if (getGameType() == GType_ELVIRA1 || getGameType() == GType_ELVIRA2) {
|
|
sprintf(filename, "%.2d%d.pkd", id, type);
|
|
} else {
|
|
sprintf(filename, "%.3d%d.pkd", id, type);
|
|
}
|
|
} else {
|
|
if (getGameType() == GType_ELVIRA1 || getGameType() == GType_ELVIRA2 || getGameType() == GType_WW) {
|
|
sprintf(filename, "%.2d%d.VGA", id, type);
|
|
} else {
|
|
sprintf(filename, "%.3d%d.VGA", id, type);
|
|
}
|
|
}
|
|
|
|
in.open(filename);
|
|
if (in.isOpen() == false) {
|
|
error("loadVGAVideoFile: Can't load %s", filename);
|
|
}
|
|
|
|
dstSize = srcSize = in.size();
|
|
if (getFeatures() & GF_CRUNCHED) {
|
|
byte *srcBuffer = (byte *)malloc(srcSize);
|
|
if (in.read(srcBuffer, srcSize) != srcSize)
|
|
error("loadVGAVideoFile: Read failed");
|
|
|
|
dstSize = READ_BE_UINT32(srcBuffer + srcSize - 4);
|
|
dst = allocBlock (dstSize + extraBuffer);
|
|
decrunchFile(srcBuffer, dst, srcSize);
|
|
free(srcBuffer);
|
|
} else {
|
|
dst = allocBlock(dstSize + extraBuffer);
|
|
if (in.read(dst, dstSize) != dstSize)
|
|
error("loadVGAVideoFile: Read failed");
|
|
}
|
|
in.close();
|
|
} else {
|
|
id = id * 2 + (type - 1);
|
|
offs = _gameOffsetsPtr[id];
|
|
|
|
dstSize = _gameOffsetsPtr[id + 1] - offs;
|
|
dst = allocBlock(dstSize + extraBuffer);
|
|
readGameFile(dst, offs, dstSize);
|
|
}
|
|
}
|
|
|
|
} // End of namespace AGOS
|