mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-24 10:45:46 +00:00
227 lines
5.6 KiB
C++
227 lines
5.6 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
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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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*
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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, 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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#include "teenagent/resources.h"
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#include "teenagent/teenagent.h"
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#include "common/textconsole.h"
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#include "common/translation.h"
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#include "common/zlib.h"
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namespace TeenAgent {
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Resources::Resources() {
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}
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Resources::~Resources() {
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off.close();
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on.close();
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ons.close();
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lan000.close();
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lan500.close();
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mmm.close();
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sam_mmm.close();
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sam_sam.close();
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voices.close();
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}
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/*
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quick note on varia resources:
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1: Mark's animations (with head)
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2: Mark's idle animation
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3: Inventory background
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4: Inventory items
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5: Metropolis palette
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6: TEENAGENT logo (flames)
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7: Small font
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8: Bigger font
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9: Metropolis software house
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10: quit registered
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11: quit shareware
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*/
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#define CSEG_SIZE 46000 // 0xb3b0
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#define DSEG_SIZE 59280 // 0xe790
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#define ESEG_SIZE 35810 // 0x8be2
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void Resources::precomputeDialogOffsets() {
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dialogOffsets.push_back(0);
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int n = 0;
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uint8 current, last = 0xff;
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for (uint i = 0; i < eseg.size(); i++) {
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current = eseg.get_byte(i);
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if (n == 4) {
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dialogOffsets.push_back(i);
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n = 0;
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}
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if (current != 0x00 && last == 0x00)
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n = 0;
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if (current == 0x00)
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n++;
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last = current;
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}
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debug(1, "Resources::precomputeDialogOffsets() - Found %d dialogs", dialogOffsets.size());
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for (uint i = 0; i < dialogOffsets.size(); i++)
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debug(1, "\tDialog #%d: Offset 0x%04x", i, dialogOffsets[i]);
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}
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bool Resources::loadArchives(const ADGameDescription *gd) {
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Common::File *dat_file = new Common::File();
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if (!dat_file->open("teenagent.dat")) {
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delete dat_file;
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Common::String errorMessage = _("You're missing the 'teenagent.dat' file. Get it from the ScummVM website");
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warning("%s", errorMessage.c_str());
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GUIErrorMessage(errorMessage);
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return false;
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}
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// teenagent.dat used to be compressed with zlib compression. The usage of
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// zlib here is no longer needed, and it's maintained only for backwards
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// compatibility.
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Common::SeekableReadStream *dat = Common::wrapCompressedReadStream(dat_file);
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#if !defined(USE_ZLIB)
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uint16 header = dat->readUint16BE();
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bool isCompressed = (header == 0x1F8B ||
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((header & 0x0F00) == 0x0800 &&
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header % 31 == 0));
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dat->seek(-2, SEEK_CUR);
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if (isCompressed) {
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// teenagent.dat is compressed, but zlib hasn't been compiled in
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delete dat;
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Common::String errorMessage = _("The teenagent.dat file is compressed and zlib hasn't been included in this executable. Please decompress it");
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warning("%s", errorMessage.c_str());
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GUIErrorMessage(errorMessage);
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return false;
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}
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#endif
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dat->skip(CSEG_SIZE);
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dseg.read(dat, DSEG_SIZE);
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eseg.read(dat, ESEG_SIZE);
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delete dat;
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precomputeDialogOffsets();
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FilePack varia;
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varia.open("varia.res");
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font7.load(varia, 7, 11, 1);
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font8.load(varia, 8, 31, 0);
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varia.close();
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off.open("off.res");
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on.open("on.res");
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ons.open("ons.res");
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lan000.open("lan_000.res");
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lan500.open("lan_500.res");
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mmm.open("mmm.res");
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sam_mmm.open("sam_mmm.res");
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sam_sam.open("sam_sam.res");
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voices.open("voices.res");
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return true;
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}
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void Resources::loadOff(Graphics::Surface &surface, byte *palette, int id) {
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uint32 size = off.getSize(id);
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if (size == 0) {
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error("invalid background %d", id);
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return;
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}
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const uint bufferSize = 64768;
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byte *buf = (byte *)malloc(bufferSize);
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if (!buf)
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error("[Resources::loadOff] Cannot allocate buffer");
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off.read(id, buf, bufferSize);
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byte *src = buf;
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byte *dst = (byte *)surface.getPixels();
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memcpy(dst, src, 64000);
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memcpy(palette, buf + 64000, 768);
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free(buf);
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}
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Common::SeekableReadStream *Resources::loadLan(uint32 id) const {
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return id <= 500 ? loadLan000(id) : lan500.getStream(id - 500);
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}
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Common::SeekableReadStream *Resources::loadLan000(uint32 id) const {
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switch (id) {
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case 81:
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if (dseg.get_byte(dsAddr_dogHasBoneFlag))
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return lan500.getStream(160);
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break;
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case 137:
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if (dseg.get_byte(dsAddr_mansionTVOnFlag) == 1) {
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if (dseg.get_byte(dsAddr_mansionVCRPlayingTapeFlag) == 1)
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return lan500.getStream(203);
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else
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return lan500.getStream(202);
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}
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break;
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case 25:
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if (dseg.get_byte(dsAddr_FirstActTrialState) == 2) {
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return lan500.getStream(332);
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}
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break;
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case 37:
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if (dseg.get_byte(dsAddr_act1GuardState) == 1) {
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return lan500.getStream(351);
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} else if (dseg.get_byte(dsAddr_act1GuardState) == 2) {
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return lan500.getStream(364);
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}
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break;
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case 29:
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if (dseg.get_byte(dsAddr_birdOnBarRadioAntennaFlag) == 1) {
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return lan500.getStream(380);
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}
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break;
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case 30:
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if (dseg.get_byte(dsAddr_birdOnBarRadioAntennaFlag) == 1) {
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return lan500.getStream(381);
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}
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break;
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case 42:
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if (dseg.get_byte(dsAddr_johnNotyOutsideMansionDoorFlag) == 1) {
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return lan500.getStream(400);
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}
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break;
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}
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return lan000.getStream(id);
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}
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} // End of namespace TeenAgent
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