/* 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 "adl/adl_v2.h" #include "adl/display_a2.h" #include "adl/graphics.h" #include "adl/disk.h" namespace Adl { class HiResBaseEngine : public AdlEngine_v2 { public: HiResBaseEngine(OSystem *syst, const AdlGameDescription *gd, const byte numRooms, const byte numMsgs, const byte numItemPics); private: // AdlEngine void init(); void initGameState(); const byte _numRooms, _numMsgs, _numItemPics; }; HiResBaseEngine::HiResBaseEngine(OSystem *syst, const AdlGameDescription *gd, const byte numRooms, const byte numMsgs, const byte numItemPics) : AdlEngine_v2(syst, gd), _numRooms(numRooms), _numMsgs(numMsgs), _numItemPics(numItemPics) { _messageIds.cantGoThere = 110; _messageIds.dontUnderstand = 112; _messageIds.itemDoesntMove = 114; _messageIds.itemNotHere = 115; _messageIds.thanksForPlaying = 113; } void HiResBaseEngine::init() { _graphics = new GraphicsMan_v2<Display_A2>(*static_cast<Display_A2 *>(_display)); _disk = new DiskImage(); if (!_disk->open(getDiskImageName(0))) error("Failed to open disk image '%s'", getDiskImageName(0).c_str()); _disk->setSectorLimit(13); StreamPtr stream(_disk->createReadStream(0x1f, 0x2, 0x00, 4)); loadMessages(*stream, _numMsgs); // 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); // Load global picture data stream.reset(_disk->createReadStream(0x19, 0xa, 0x80, 0)); loadPictures(*stream); // Load item picture data stream.reset(_disk->createReadStream(0x1e, 0x9, 0x05)); loadItemPictures(*stream, _numItemPics); // Load commands from executable stream.reset(_disk->createReadStream(0x1d, 0x7, 0x00, 4)); 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)); loadDroppedItemOffsets(*stream, 16); // Load verbs stream.reset(_disk->createReadStream(0x19, 0x0, 0x00, 3)); loadWords(*stream, _verbs, _priVerbs); // Load nouns stream.reset(_disk->createReadStream(0x22, 0x2, 0x00, 7)); loadWords(*stream, _nouns, _priNouns); } void HiResBaseEngine::initGameState() { _state.vars.resize(40); StreamPtr stream(_disk->createReadStream(0x21, 0x5, 0x0e, 7)); loadRooms(*stream, _numRooms); stream.reset(_disk->createReadStream(0x21, 0x0, 0x00, 2)); loadItems(*stream); } class HiRes2Engine : public HiResBaseEngine { public: HiRes2Engine(OSystem *syst, const AdlGameDescription *gd); private: // AdlEngine void runIntro(); }; HiRes2Engine::HiRes2Engine(OSystem *syst, const AdlGameDescription *gd) : HiResBaseEngine(syst, gd, 135, 255, 38) { _messageIds.cantGoThere = 123; _messageIds.dontUnderstand = 19; _messageIds.itemDoesntMove = 242; _messageIds.itemNotHere = 4; _messageIds.thanksForPlaying = 239; } void HiRes2Engine::runIntro() { // This only works for the 16-sector re-release. The original // release is not supported at this time, because we don't have // access to it. _disk->setSectorLimit(0); StreamPtr stream(_disk->createReadStream(0x00, 0xd, 0x17, 1)); _display->setMode(Display::kModeText); Common::String str = readString(*stream); if (stream->eos() || stream->err()) error("Error reading disk image"); _display->printString(str); delay(2000); _disk->setSectorLimit(13); } class HiRes3Engine : public HiResBaseEngine { public: HiRes3Engine(OSystem *syst, const AdlGameDescription *gd); }; HiRes3Engine::HiRes3Engine(OSystem *syst, const AdlGameDescription *gd) : HiResBaseEngine(syst, gd, 138, 255, 36) { const byte brokenRooms[] = { 18, 24, 54, 98, 102, 108 }; for (int i = 0; i < ARRAYSIZE(brokenRooms); ++i) _brokenRooms.push_back(brokenRooms[i]); } Engine *HiRes2Engine_create(OSystem *syst, const AdlGameDescription *gd) { return new HiRes2Engine(syst, gd); } Engine *HiRes0Engine_create(OSystem *syst, const AdlGameDescription *gd) { return new HiResBaseEngine(syst, gd, 43, 142, 2); } Engine *HiRes3Engine_create(OSystem *syst, const AdlGameDescription *gd) { return new HiRes3Engine(syst, gd); } } // End of namespace Adl