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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
// Resource file routines for Simon1/Simon2
#include "common/stdafx.h"
#include "common/file.h"
#include "agos/agos.h"
#include "agos/intern.h"
#include "agos/sound.h"
#ifdef USE_ZLIB
#include <zlib.h>
#endif
using Common::File;
namespace AGOS {
uint16 AGOSEngine::to16Wrapper(uint value) {
if (getGameType() == GType_FF || getGameType() == GType_PP)
return TO_LE_16(value);
else
return TO_BE_16(value);
}
uint16 AGOSEngine::readUint16Wrapper(const void *src) {
if (getGameType() == GType_FF || getGameType() == GType_PP)
return READ_LE_UINT16(src);
else
return READ_BE_UINT16(src);
}
uint32 AGOSEngine::readUint32Wrapper(const void *src) {
if (getGameType() == GType_FF || getGameType() == GType_PP)
return READ_LE_UINT32(src);
else
return READ_BE_UINT32(src);
}
void AGOSEngine::decompressData(const char *srcName, byte *dst, uint32 offset, uint32 srcSize, uint32 dstSize) {
#ifdef USE_ZLIB
File in;
in.open(srcName);
if (in.isOpen() == false)
error("decompressData: Can't load %s", srcName);
in.seek(offset, SEEK_SET);
if (srcSize != dstSize) {
byte *srcBuffer = (byte *)malloc(srcSize);
if (in.read(srcBuffer, srcSize) != srcSize)
error("decompressData: Read failed");
unsigned long decompressedSize = dstSize;
int result = uncompress(dst, &decompressedSize, srcBuffer, srcSize);
if (result != Z_OK)
error("decompressData: Zlib uncompress error");
free(srcBuffer);
} else {
if (in.read(dst, dstSize) != dstSize)
error("decompressData: Read failed");
}
in.close();
#else
error("Zlib support is required for Amiga and Macintosh versions");
#endif
}
void AGOSEngine::loadOffsets(const char *filename, int number, uint32 &file, uint32 &offset, uint32 &srcSize, uint32 &dstSize) {
Common::File in;
int offsSize = (getPlatform() == Common::kPlatformAmiga) ? 16 : 12;
/* read offsets from index */
in.open(filename);
if (in.isOpen() == false) {
error("loadOffsets: Can't load index file '%s'", filename);
}
in.seek(number * offsSize, SEEK_SET);
offset = in.readUint32LE();
dstSize = in.readUint32LE();
srcSize = in.readUint32LE();
file = in.readUint32LE();
in.close();
}
int AGOSEngine::allocGamePcVars(File *in) {
uint item_array_size, item_array_inited, stringtable_num;
uint32 version;
uint i, firstItem;
item_array_size = in->readUint32BE();
version = in->readUint32BE();
item_array_inited = in->readUint32BE();
stringtable_num = in->readUint32BE();
if (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2) {
item_array_inited = item_array_size;
firstItem = 0;
} else {
item_array_inited += 2; // first two items are predefined
item_array_size += 2;
firstItem = 1;
}
if (version != 0x80)
error("allocGamePcVars: Not a runtime database");
_itemArrayPtr = (Item **)calloc(item_array_size, sizeof(Item *));
if (_itemArrayPtr == NULL)
error("allocGamePcVars: Out of memory for Item array");
_itemArraySize = item_array_size;
_itemArrayInited = item_array_inited;
for (i = firstItem; i < item_array_inited; i++) {
_itemArrayPtr[i] = (Item *)allocateItem(sizeof(Item));
}
// The rest is cleared automatically by calloc
allocateStringTable(stringtable_num + 10);
_stringTabNum = stringtable_num;
return item_array_inited;
}
void AGOSEngine::loadGamePcFile() {
Common::File in;
int num_inited_objects;
int i, file_size;
/* read main gamepc file */
in.open(getFileName(GAME_BASEFILE));
if (in.isOpen() == false) {
error("loadGamePcFile: Can't load gamepc file '%s'", getFileName(GAME_BASEFILE));
}
num_inited_objects = allocGamePcVars(&in);
createPlayer();
readGamePcText(&in);
int firstItem = (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2) ? 0 : 2;
for (i = firstItem; i < num_inited_objects; i++) {
readItemFromGamePc(&in, _itemArrayPtr[i]);
}
readSubroutineBlock(&in);
in.close();
if (getGameType() == GType_PP)
return;
/* Read list of TABLE resources */
in.open(getFileName(GAME_TBLFILE));
if (in.isOpen() == false) {
error("loadGamePcFile: Can't load table resources file '%s'", getFileName(GAME_TBLFILE));
}
file_size = in.size();
_tblList = (byte *)malloc(file_size);
if (_tblList == NULL)
error("loadGamePcFile: Out of memory for strip table list");
in.read(_tblList, file_size);
in.close();
/* Remember the current state */
_subroutineListOrg = _subroutineList;
_tablesHeapPtrOrg = _tablesHeapPtr;
_tablesHeapCurPosOrg = _tablesHeapCurPos;
if (getGameType() == GType_ELVIRA || getGameType() == GType_FF)
return;
/* Read list of TEXT resources */
in.open(getFileName(GAME_STRFILE));
if (in.isOpen() == false)
error("loadGamePcFile: Can't load text resources file '%s'", getFileName(GAME_STRFILE));
file_size = in.size();
_strippedTxtMem = (byte *)malloc(file_size);
if (_strippedTxtMem == NULL)
error("loadGamePcFile: Out of memory for strip text list");
in.read(_strippedTxtMem, file_size);
in.close();
if (getGameType() != GType_WW)
return;
/* Read list of ROOM ITEMS resources */
in.open(getFileName(GAME_RMSLFILE));
if (in.isOpen() == false) {
error("loadGamePcFile: Can't load room resources file '%s'", getFileName(GAME_XTBLFILE));
}
file_size = in.size();
_roomsList = (byte *)malloc(file_size);
if (_roomsList == NULL)
error("loadGamePcFile: Out of memory for room items list");
in.read(_roomsList, file_size);
in.close();
/* Read list of XTABLE resources */
in.open(getFileName(GAME_XTBLFILE));
if (in.isOpen() == false) {
error("loadGamePcFile: Can't load xtable resources file '%s'", getFileName(GAME_XTBLFILE));
}
file_size = in.size();
_xtblList = (byte *)malloc(file_size);
if (_xtblList == NULL)
error("loadGamePcFile: Out of memory for strip xtable list");
in.read(_xtblList, file_size);
in.close();
/* Remember the current state */
_xsubroutineListOrg = _subroutineList;
_xtablesHeapPtrOrg = _tablesHeapPtr;
_xtablesHeapCurPosOrg = _tablesHeapCurPos;
}
void AGOSEngine::readGamePcText(Common::File *in) {
_textSize = in->readUint32BE();
_textMem = (byte *)malloc(_textSize);
if (_textMem == NULL)
error("readGamePcText: Out of text memory");
in->read(_textMem, _textSize);
setupStringTable(_textMem, _stringTabNum);
}
void AGOSEngine::readItemFromGamePc(Common::File *in, Item *item) {
uint32 type;
if (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2) {
item->itemName = (uint16)in->readUint32BE();
item->adjective = in->readUint16BE();
item->noun = in->readUint16BE();
item->state = in->readUint16BE();
in->readUint16BE();
item->sibling = (uint16)fileReadItemID(in);
item->child = (uint16)fileReadItemID(in);
item->parent = (uint16)fileReadItemID(in);
in->readUint16BE();
in->readUint16BE();
in->readUint16BE();
item->classFlags = in->readUint16BE();
item->children = NULL;
} else {
item->adjective = in->readUint16BE();
item->noun = in->readUint16BE();
item->state = in->readUint16BE();
item->sibling = (uint16)fileReadItemID(in);
item->child = (uint16)fileReadItemID(in);
item->parent = (uint16)fileReadItemID(in);
in->readUint16BE();
item->classFlags = in->readUint16BE();
item->children = NULL;
}
type = in->readUint32BE();
while (type) {
type = in->readUint16BE();
if (type != 0)
readItemChildren(in, item, type);
}
}
void AGOSEngine::readItemChildren(Common::File *in, Item *item, uint type) {
if (type == 1) {
if (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2) {
SubRoom *subRoom = (SubRoom *)allocateChildBlock(item, 1, sizeof(SubRoom));
subRoom->roomShort = in->readUint32BE();
subRoom->roomLong = in->readUint32BE();
subRoom->flags = in->readUint16BE();
} else {
uint fr1 = in->readUint16BE();
uint fr2 = in->readUint16BE();
uint i, size;
uint j, k;
SubRoom *subRoom;
size = SubRoom_SIZE;
for (i = 0, j = fr2; i != 6; i++, j >>= 2)
if (j & 3)
size += sizeof(subRoom->roomExit[0]);
subRoom = (SubRoom *)allocateChildBlock(item, 1, size);
subRoom->subroutine_id = fr1;
subRoom->roomExitStates = fr2;
for (i = k = 0, j = fr2; i != 6; i++, j >>= 2)
if (j & 3)
subRoom->roomExit[k++] = (uint16)fileReadItemID(in);
}
} else if (type == 2) {
if (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2) {
SubObject *subObject = (SubObject *)allocateChildBlock(item, 2, sizeof(SubObject));
in->readUint32BE();
in->readUint32BE();
in->readUint32BE();
subObject->objectName = in->readUint32BE();
subObject->objectSize = in->readUint16BE();
subObject->objectWeight = in->readUint16BE();
subObject->objectFlags = in->readUint16BE();
} else {
uint32 fr = in->readUint32BE();
uint i, k, size;
SubObject *subObject;
size = SubObject_SIZE;
for (i = 0; i != 16; i++)
if (fr & (1 << i))
size += sizeof(subObject->objectFlagValue[0]);
subObject = (SubObject *)allocateChildBlock(item, 2, size);
subObject->objectFlags = fr;
k = 0;
if (fr & 1) {
subObject->objectFlagValue[k++] = (uint16)in->readUint32BE();
}
for (i = 1; i != 16; i++)
if (fr & (1 << i))
subObject->objectFlagValue[k++] = in->readUint16BE();
subObject->objectName = (uint16)in->readUint32BE();
}
} else if (type == 4) {
SubGenExit *genExit = (SubGenExit *)allocateChildBlock(item, 4, sizeof(SubGenExit));
genExit->dest[0] = (uint16)fileReadItemID(in);
genExit->dest[1] = (uint16)fileReadItemID(in);
genExit->dest[2] = (uint16)fileReadItemID(in);
genExit->dest[3] = (uint16)fileReadItemID(in);
genExit->dest[4] = (uint16)fileReadItemID(in);
genExit->dest[5] = (uint16)fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
} else if (type == 7) {
SubContainer *container = (SubContainer *)allocateChildBlock(item, 7, sizeof(SubContainer));
container->volume = in->readUint16BE();
container->flags = in->readUint16BE();
} else if (type == 8) {
SubUserChain *chain = (SubUserChain *)allocateChildBlock(item, 8, sizeof(SubUserChain));
chain->chChained = (uint16)fileReadItemID(in);
} else if (type == 9) {
setUserFlag(item, 0, in->readUint16BE());
setUserFlag(item, 1, in->readUint16BE());
setUserFlag(item, 2, in->readUint16BE());
setUserFlag(item, 3, in->readUint16BE());
if (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2) {
setUserFlag(item, 4, in->readUint16BE());
setUserFlag(item, 5, in->readUint16BE());
setUserFlag(item, 6, in->readUint16BE());
setUserFlag(item, 7, in->readUint16BE());
SubUserFlag *subUserFlag = (SubUserFlag *) findChildOfType(item, 9);
subUserFlag->userItems[0] = (uint16)fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
fileReadItemID(in);
}
} else if (type == 255) {
SubUserInherit *inherit = (SubUserInherit *)allocateChildBlock(item, 255, sizeof(SubUserInherit));
inherit->inMaster = (uint16)fileReadItemID(in);
} else {
error("readItemChildren: invalid type %d", type);
}
}
uint fileReadItemID(Common::File *in) {
uint32 val = in->readUint32BE();
if (val == 0xFFFFFFFF)
return 0;
return val + 2;
}
void AGOSEngine::openGameFile() {
if (!(getFeatures() & GF_OLD_BUNDLE)) {
_gameFile = new File();
_gameFile->open(getFileName(GAME_GMEFILE));
if (_gameFile->isOpen() == false)
error("openGameFile: Can't load game file '%s'", getFileName(GAME_GMEFILE));
uint32 size = _gameFile->readUint32LE();
_gameOffsetsPtr = (uint32 *)malloc(size);
if (_gameOffsetsPtr == NULL)
error("openGameFile: Out of memory, game offsets");
readGameFile(_gameOffsetsPtr, 0, size);
#if defined(SCUMM_BIG_ENDIAN)
for (uint r = 0; r < size / 4; r++)
_gameOffsetsPtr[r] = FROM_LE_32(_gameOffsetsPtr[r]);
#endif
}
}
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)
static bool 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::loadSimonVGAFile(uint vga_id) {
uint32 offs, size;
if (getFeatures() & GF_OLD_BUNDLE) {
File in;
char filename[15];
if (vga_id == 23)
vga_id = 112;
if (vga_id == 328)
vga_id = 119;
if (getPlatform() == Common::kPlatformAmiga) {
if (getFeatures() & GF_TALKIE)
sprintf(filename, "0%d.out", vga_id);
else
sprintf(filename, "0%d.pkd", vga_id);
} else {
sprintf(filename, "0%d.VGA", 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[vga_id];
size = _gameOffsetsPtr[vga_id + 1] - offs;
readGameFile(_vgaBufferPointers[11].vgaFile2, offs, size);
}
}
byte *AGOSEngine::loadVGAFile(uint id, uint type, uint32 &dstSize) {
File in;
char filename[15];
byte *dst = NULL;
uint32 file, offs, srcSize;
uint extraBuffer = 0;
if (getGameType() == GType_PP) {
_sound->stopVoice();
}
if (getGameType() == GType_SIMON1 || getGameType() == GType_SIMON2) {
// !!! HACK !!!
// 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 = (id == 5 ? 6400 : 0);
}
if (getFeatures() & GF_ZLIBCOMP) {
if (getPlatform() == Common::kPlatformAmiga) {
loadOffsets((const char*)"gfxindex.dat", id / 2 * 3 + type, file, offs, srcSize, dstSize);
} else {
loadOffsets((const char*)"graphics.vga", id / 2 * 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::kPlatformAmiga) {
if (getFeatures() & GF_TALKIE)
sprintf(filename, "%.3d%d.out", id / 2, type);
else
sprintf(filename, "%.3d%d.pkd", id / 2, type);
} else {
if (getGameType() == GType_ELVIRA || getGameType() == GType_ELVIRA2 || getGameType() == GType_WW) {
sprintf(filename, "%.2d%d.VGA", id / 2, type);
} else {
sprintf(filename, "%.3d%d.VGA", id / 2, type);
}
}
in.open(filename);
if (in.isOpen() == false) {
if (type == 3)
return NULL;
else
error("loadVGAFile: 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("loadVGAFile: 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("loadVGAFile: Read failed");
}
in.close();
} else {
id += (type - 1);
offs = _gameOffsetsPtr[id];
dstSize = _gameOffsetsPtr[id + 1] - offs;
dst = allocBlock(dstSize + extraBuffer);
readGameFile(dst, offs, dstSize);
}
dstSize += extraBuffer;
return dst;
}
static const char *dimpSoundList[32] = {
"Beep",
"Birth",
"Boiling",
"Burp",
"Cough",
"Die1",
"Die2",
"Fart",
"Inject",
"Killchik",
"Puke",
"Lights",
"Shock",
"Snore",
"Snotty",
"Whip",
"Whistle",
"Work1",
"Work2",
"Yawn",
"And0w",
"And0x",
"And0y",
"And0z",
"And10",
"And11",
"And12",
"And13",
"And14",
"And15",
"And16",
"And17",
};
void AGOSEngine::loadSound(uint sound, int pan, int vol, uint type) {
byte *dst;
if (getGameId() == GID_DIMP) {
File in;
char filename[15];
assert(sound >= 1 && sound <= 32);
sprintf(filename, "%s.wav", dimpSoundList[sound - 1]);
in.open(filename);
if (in.isOpen() == false)
error("loadSound: Can't load %s", filename);
uint32 dstSize = in.size();
dst = (byte *)malloc(dstSize);
if (in.read(dst, dstSize) != dstSize)
error("loadSound: Read failed");
in.close();
} else if (getFeatures() & GF_ZLIBCOMP) {
char filename[15];
uint32 file, offset, srcSize, dstSize;
if (getPlatform() == Common::kPlatformAmiga) {
loadOffsets((const char*)"sfxindex.dat", _zoneNumber * 22 + sound, file, offset, srcSize, dstSize);
} else {
loadOffsets((const char*)"effects.wav", _zoneNumber * 22 + sound, file, offset, srcSize, dstSize);
}
if (getPlatform() == Common::kPlatformAmiga)
sprintf(filename, "sfx%d.wav", file);
else
sprintf(filename, "effects.wav");
dst = (byte *)malloc(dstSize);
decompressData(filename, dst, offset, srcSize, dstSize);
} else {
if (!_curSfxFile)
error("loadSound: Can't load sound data file '%d3.VGA'", _zoneNumber);
dst = _curSfxFile + READ_LE_UINT32(_curSfxFile + sound * 4);
}
if (type == 3)
_sound->playSfx5Data(dst, sound, pan, vol);
else if (type == 2)
_sound->playAmbientData(dst, sound, pan, vol);
else
_sound->playSfxData(dst, sound, pan, vol);
}
void AGOSEngine::loadVoice(uint speechId) {
if (getGameType() == GType_PP && speechId == 99)
return;
if (getFeatures() & GF_ZLIBCOMP) {
char filename[15];
uint32 file, offset, srcSize, dstSize;
if (getPlatform() == Common::kPlatformAmiga) {
loadOffsets((const char*)"spindex.dat", speechId, file, offset, srcSize, dstSize);
} else {
loadOffsets((const char*)"speech.wav", speechId, file, offset, srcSize, dstSize);
}
// Voice segment doesn't exist
if (offset == 0xFFFFFFFF && srcSize == 0xFFFFFFFF && dstSize == 0xFFFFFFFF) {
debug(0, "loadVoice: speechId %d removed", speechId);
return;
}
if (getPlatform() == Common::kPlatformAmiga)
sprintf(filename, "sp%d.wav", file);
else
sprintf(filename, "speech.wav");
byte *dst = (byte *)malloc(dstSize);
decompressData(filename, dst, offset, srcSize, dstSize);
_sound->playVoiceData(dst, speechId);
} else {
_sound->playVoice(speechId);
}
}
} // End of namespace AGOS
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