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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/textconsole.h"
#include "adl/hires0.h"
#include "adl/graphics.h"
#include "adl/disk.h"
namespace Adl {
void HiRes0Engine::init() {
_graphics = new Graphics_v2(*_display);
_disk = new DiskImage();
if (!_disk->open(IDS_HR0_DISK_IMAGE))
error("Failed to open disk image '" IDS_HR0_DISK_IMAGE "'");
_disk->setMode13(true);
StreamPtr stream(_disk->createReadStream(0x1f, 0x2, 0x00, 2));
// TODO: all these strings/offsets/etc are the same as hires2
for (uint i = 0; i < IDI_HR0_NUM_MESSAGES; ++i)
_messages.push_back(readDataBlockPtr(*stream));
// Read parser messages
stream.reset(_disk->createReadStream(0x1a, 0x1));
_strings.verbError = readStringAt(*stream, 0x4f);
_strings.nounError = readStringAt(*stream, 0x8e);
_strings.enterCommand = readStringAt(*stream, 0xbc);
// Read time string
stream.reset(_disk->createReadStream(0x19, 0x7, 0xd7));
_strings_v2.time = readString(*stream, 0xff);
// Read line feeds
stream.reset(_disk->createReadStream(0x19, 0xb, 0xf8, 1));
_strings.lineFeeds = readString(*stream);
// Read opcode strings
stream.reset(_disk->createReadStream(0x1a, 0x6, 0x00, 2));
_strings_v2.saveInsert = readStringAt(*stream, 0x5f);
_strings_v2.saveReplace = readStringAt(*stream, 0xe5);
_strings_v2.restoreInsert = readStringAt(*stream, 0x132);
_strings_v2.restoreReplace = readStringAt(*stream, 0x1c2);
_strings.playAgain = readStringAt(*stream, 0x225);
_strings.pressReturn = readStringAt(*stream, 0x25f);
_messageIds.cantGoThere = IDI_HR0_MSG_CANT_GO_THERE;
_messageIds.dontUnderstand = IDI_HR0_MSG_DONT_UNDERSTAND;
_messageIds.itemDoesntMove = IDI_HR0_MSG_ITEM_DOESNT_MOVE;
_messageIds.itemNotHere = IDI_HR0_MSG_ITEM_NOT_HERE;
_messageIds.thanksForPlaying = IDI_HR0_MSG_THANKS_FOR_PLAYING;
// Load global picture data
stream.reset(_disk->createReadStream(0x19, 0xa, 0x80, 0));
byte picNr;
while ((picNr = stream->readByte()) != 0xff) {
if (stream->eos() || stream->err())
error("Error reading global pic list");
_pictures[picNr] = readDataBlockPtr(*stream);
}
// Load item picture data
stream.reset(_disk->createReadStream(0x1e, 0x9, 0x05));
for (uint i = 0; i < IDI_HR0_NUM_ITEM_PICS; ++i) {
stream->readByte(); // number
_itemPics.push_back(readDataBlockPtr(*stream));
}
// Load commands from executable
stream.reset(_disk->createReadStream(0x1d, 0x7, 0x00, 2));
readCommands(*stream, _roomCommands);
stream.reset(_disk->createReadStream(0x1f, 0x7, 0x00, 3));
readCommands(*stream, _globalCommands);
// Load dropped item offsets
stream.reset(_disk->createReadStream(0x1b, 0x4, 0x15));
for (uint i = 0; i < IDI_HR0_NUM_ITEM_OFFSETS; ++i) {
Common::Point p;
p.x = stream->readByte();
p.y = stream->readByte();
_itemOffsets.push_back(p);
}
// Load verbs
stream.reset(_disk->createReadStream(0x19, 0x0, 0x00, 3));
loadWords(*stream, _verbs, _priVerbs);
// Load nouns
stream.reset(_disk->createReadStream(0x22, 0x2, 0x00, 2));
loadWords(*stream, _nouns, _priNouns);
}
void HiRes0Engine::initGameState() {
_state.vars.resize(IDI_HR0_NUM_VARS);
StreamPtr stream(_disk->createReadStream(0x21, 0x5, 0x0e, 2));
for (uint i = 0; i < IDI_HR0_NUM_ROOMS; ++i) {
Room room;
stream->readByte(); // number
for (uint j = 0; j < 6; ++j)
room.connections[j] = stream->readByte();
room.data = readDataBlockPtr(*stream);
room.picture = stream->readByte();
room.curPicture = stream->readByte();
room.isFirstTime = stream->readByte();
_state.rooms.push_back(room);
}
stream.reset(_disk->createReadStream(0x21, 0x0));
byte id;
while ((id = stream->readByte()) != 0xff) {
Item item = Item();
item.id = id;
item.noun = stream->readByte();
item.room = stream->readByte();
item.picture = stream->readByte();
item.isLineArt = stream->readByte();
item.position.x = stream->readByte();
item.position.y = stream->readByte();
item.state = stream->readByte();
item.description = stream->readByte();
stream->readByte(); // Struct size
byte picListSize = stream->readByte();
// Flag to keep track of what has been drawn on the screen
stream->readByte();
for (uint i = 0; i < picListSize; ++i)
item.roomPictures.push_back(stream->readByte());
_state.items.push_back(item);
}
}
Engine *HiRes0Engine_create(OSystem *syst, const AdlGameDescription *gd) {
return new HiRes0Engine(syst, gd);
}
} // End of namespace Adl
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