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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#include "common/system.h"
#include "common/debug.h"
#include "common/error.h"
#include "common/file.h"
#include "common/stream.h"
#include "common/memstream.h"
#include "adl/hires6.h"
#include "adl/display.h"
#include "adl/graphics.h"
#include "adl/disk.h"
namespace Adl {
static const char *disks[] = { "DARK1A.DSK", "DARK1B.NIB", "DARK2A.NIB", "DARK2B.NIB" };
#define SECTORS_PER_TRACK 16
#define BYTES_PER_SECTOR 256
static Common::MemoryReadStream *loadSectors(DiskImage *disk, byte track, byte sector = SECTORS_PER_TRACK - 1, byte count = SECTORS_PER_TRACK) {
const int bufSize = count * BYTES_PER_SECTOR;
byte *const buf = (byte *)malloc(bufSize);
byte *p = buf;
while (count-- > 0) {
StreamPtr stream(disk->createReadStream(track, sector, 0, 0));
stream->read(p, BYTES_PER_SECTOR);
if (stream->err() || stream->eos())
error("Error loading from disk image");
p += BYTES_PER_SECTOR;
if (sector > 0)
--sector;
else {
++track;
// Skip VTOC track
if (track == 17)
++track;
sector = SECTORS_PER_TRACK - 1;
}
}
return new Common::MemoryReadStream(buf, bufSize, DisposeAfterUse::YES);
}
void HiRes6Engine::runIntro() const {
DiskImage_DSK *boot(new DiskImage_DSK());
if (!boot->open(disks[0]))
error("Failed to open disk image '%s'", disks[0]);
StreamPtr stream(loadSectors(boot, 11, 1, 96));
_display->setMode(DISPLAY_MODE_HIRES);
_display->loadFrameBuffer(*stream);
_display->updateHiResScreen();
delay(256 * 8609 / 1000);
_display->loadFrameBuffer(*stream);
_display->updateHiResScreen();
delay(256 * 8609 / 1000);
_display->loadFrameBuffer(*stream);
delete boot;
// Load copyright string from boot file
Files_DOS33 *files(new Files_DOS33());
if (!files->open(disks[0]))
error("Failed to open disk image '%s'", disks[0]);
stream.reset(files->createReadStream("\010\010\010\010\010\010"));
Common::String copyright(readStringAt(*stream, 0x103, APPLECHAR('\r')));
delete files;
_display->updateHiResScreen();
_display->home();
_display->setMode(DISPLAY_MODE_MIXED);
_display->moveCursorTo(Common::Point(0, 21));
_display->printString(copyright);
delay(256 * 8609 / 1000);
}
void HiRes6Engine::init() {
DiskImage_DSK *boot(new DiskImage_DSK());
_graphics = new Graphics_v2(*_display);
if (!boot->open(disks[0]))
error("Failed to open disk image '%s'", disks[0]);
StreamPtr stream(loadSectors(boot, 7));
// Read parser messages
_strings.verbError = readStringAt(*stream, 0x666);
_strings.nounError = readStringAt(*stream, 0x6bd);
_strings.enterCommand = readStringAt(*stream, 0x6e9);
// Read line feeds
_strings.lineFeeds = readStringAt(*stream, 0x408);
// Read opcode strings (TODO)
_strings_v2.saveInsert = readStringAt(*stream, 0xad8);
readStringAt(*stream, 0xb95); // Confirm save
// _strings_v2.saveReplace
_strings_v2.restoreInsert = readStringAt(*stream, 0xc07);
// _strings_v2.restoreReplace
_strings.playAgain = readStringAt(*stream, 0xcdf, 0xff);
_messageIds.cantGoThere = IDI_HR6_MSG_CANT_GO_THERE;
_messageIds.dontUnderstand = IDI_HR6_MSG_DONT_UNDERSTAND;
_messageIds.itemDoesntMove = IDI_HR6_MSG_ITEM_DOESNT_MOVE;
_messageIds.itemNotHere = IDI_HR6_MSG_ITEM_NOT_HERE;
_messageIds.thanksForPlaying = IDI_HR6_MSG_THANKS_FOR_PLAYING;
delete boot;
}
void HiRes6Engine::initState() {
}
Engine *HiRes6Engine_create(OSystem *syst, const AdlGameDescription *gd) {
return new HiRes6Engine(syst, gd);
}
} // End of namespace Adl
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