/* 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/ptr.h" #include "adl/adl.h" #include "adl/graphics.h" #include "adl/display.h" namespace Adl { #define IDS_HR1_EXE_0 "AUTO LOAD OBJ" #define IDS_HR1_EXE_1 "ADVENTURE" #define IDS_HR1_LOADER "MYSTERY.HELLO" #define IDS_HR1_MESSAGES "MESSAGES" #define IDI_HR1_NUM_ROOMS 41 #define IDI_HR1_NUM_PICS 97 #define IDI_HR1_NUM_VARS 20 #define IDI_HR1_NUM_ITEM_OFFSETS 21 #define IDI_HR1_NUM_MESSAGES 168 // Messages used outside of scripts #define IDI_HR1_MSG_CANT_GO_THERE 137 #define IDI_HR1_MSG_DONT_UNDERSTAND 37 #define IDI_HR1_MSG_ITEM_DOESNT_MOVE 151 #define IDI_HR1_MSG_ITEM_NOT_HERE 152 #define IDI_HR1_MSG_THANKS_FOR_PLAYING 140 #define IDI_HR1_MSG_DONT_HAVE_IT 127 #define IDI_HR1_MSG_GETTING_DARK 7 #define IDI_HR1_OFS_STR_ENTER_COMMAND 0x5bbc #define IDI_HR1_OFS_STR_VERB_ERROR 0x5b4f #define IDI_HR1_OFS_STR_NOUN_ERROR 0x5b8e #define IDI_HR1_OFS_STR_PLAY_AGAIN 0x5f1e #define IDI_HR1_OFS_STR_CANT_GO_THERE 0x6c0a #define IDI_HR1_OFS_STR_DONT_HAVE_IT 0x6c31 #define IDI_HR1_OFS_STR_DONT_UNDERSTAND 0x6c51 #define IDI_HR1_OFS_STR_GETTING_DARK 0x6c7c #define IDI_HR1_OFS_STR_PRESS_RETURN 0x5f68 #define IDI_HR1_OFS_STR_LINE_FEEDS 0x59d4 #define IDI_HR1_OFS_PD_TEXT_0 0x005d #define IDI_HR1_OFS_PD_TEXT_1 0x012b #define IDI_HR1_OFS_PD_TEXT_2 0x016d #define IDI_HR1_OFS_PD_TEXT_3 0x0259 #define IDI_HR1_OFS_INTRO_TEXT 0x0066 #define IDI_HR1_OFS_GAME_OR_HELP 0x000f #define IDI_HR1_OFS_LOGO_0 0x1003 #define IDI_HR1_OFS_LOGO_1 0x1800 #define IDI_HR1_OFS_ITEMS 0x0100 #define IDI_HR1_OFS_ROOMS 0x050a #define IDI_HR1_OFS_PICS 0x4b03 #define IDI_HR1_OFS_CMDS_0 0x3c00 #define IDI_HR1_OFS_CMDS_1 0x3d00 #define IDI_HR1_OFS_MSGS 0x4d00 #define IDI_HR1_OFS_ITEM_OFFSETS 0x68ff #define IDI_HR1_OFS_CORNERS 0x4f00 #define IDI_HR1_OFS_VERBS 0x3800 #define IDI_HR1_OFS_NOUNS 0x0f00 class HiRes1Engine : public AdlEngine { public: HiRes1Engine(OSystem *syst, const AdlGameDescription *gd) : AdlEngine(syst, gd), _files(nullptr), _messageDelay(true) { } ~HiRes1Engine() { delete _files; } private: // AdlEngine void runIntro() const; void init(); void initGameState(); void restartGame(); void printString(const Common::String &str); Common::String loadMessage(uint idx) const; void printMessage(uint idx); void drawItems(); void drawItem(Item &item, const Common::Point &pos); void loadRoom(byte roomNr); void showRoom(); void wordWrap(Common::String &str) const; Files *_files; Common::File _exe; Common::Array<DataBlockPtr> _corners; Common::Array<byte> _roomDesc; bool _messageDelay; struct { Common::String cantGoThere; Common::String dontHaveIt; Common::String dontUnderstand; Common::String gettingDark; } _gameStrings; }; void HiRes1Engine::runIntro() const { StreamPtr stream(_files->createReadStream(IDS_HR1_EXE_0)); stream->seek(IDI_HR1_OFS_LOGO_0); _display->setMode(DISPLAY_MODE_HIRES); _display->loadFrameBuffer(*stream); _display->updateHiResScreen(); delay(4000); if (shouldQuit()) return; _display->setMode(DISPLAY_MODE_TEXT); StreamPtr basic(_files->createReadStream(IDS_HR1_LOADER)); Common::String str; str = readStringAt(*basic, IDI_HR1_OFS_PD_TEXT_0, '"'); _display->printAsciiString(str + '\r'); str = readStringAt(*basic, IDI_HR1_OFS_PD_TEXT_1, '"'); _display->printAsciiString(str + "\r\r"); str = readStringAt(*basic, IDI_HR1_OFS_PD_TEXT_2, '"'); _display->printAsciiString(str + "\r\r"); str = readStringAt(*basic, IDI_HR1_OFS_PD_TEXT_3, '"'); _display->printAsciiString(str + '\r'); inputKey(); if (g_engine->shouldQuit()) return; _display->setMode(DISPLAY_MODE_MIXED); str = readStringAt(*stream, IDI_HR1_OFS_GAME_OR_HELP); bool instructions = false; while (1) { _display->printString(str); Common::String s = inputString(); if (g_engine->shouldQuit()) break; if (s.empty()) continue; if (s[0] == APPLECHAR('I')) { instructions = true; break; } else if (s[0] == APPLECHAR('G')) { break; } }; if (instructions) { _display->setMode(DISPLAY_MODE_TEXT); stream->seek(IDI_HR1_OFS_INTRO_TEXT); const uint pages[] = { 6, 6, 4, 5, 8, 7, 0 }; uint page = 0; while (pages[page] != 0) { _display->home(); uint count = pages[page++]; for (uint i = 0; i < count; ++i) { str = readString(*stream); _display->printString(str); stream->seek(3, SEEK_CUR); } inputString(); if (g_engine->shouldQuit()) return; stream->seek(6, SEEK_CUR); } } _display->printAsciiString("\r"); _display->setMode(DISPLAY_MODE_MIXED); // Title screen shown during loading stream.reset(_files->createReadStream(IDS_HR1_EXE_1)); stream->seek(IDI_HR1_OFS_LOGO_1); _display->loadFrameBuffer(*stream); _display->updateHiResScreen(); delay(2000); } void HiRes1Engine::init() { if (Common::File::exists("MYSTHOUS.DSK")) { _files = new Files_DOS33(); if (!static_cast<Files_DOS33 *>(_files)->open("MYSTHOUS.DSK")) error("Failed to open MYSTHOUS.DSK"); } else _files = new Files_Plain(); _graphics = new Graphics_v1(*_display); StreamPtr stream(_files->createReadStream(IDS_HR1_EXE_1)); // Some messages have overrides inside the executable _gameStrings.cantGoThere = readStringAt(*stream, IDI_HR1_OFS_STR_CANT_GO_THERE); _gameStrings.dontHaveIt = readStringAt(*stream, IDI_HR1_OFS_STR_DONT_HAVE_IT); _gameStrings.dontUnderstand = readStringAt(*stream, IDI_HR1_OFS_STR_DONT_UNDERSTAND); _gameStrings.gettingDark = readStringAt(*stream, IDI_HR1_OFS_STR_GETTING_DARK); // Load other strings from executable _strings.enterCommand = readStringAt(*stream, IDI_HR1_OFS_STR_ENTER_COMMAND); _strings.verbError = readStringAt(*stream, IDI_HR1_OFS_STR_VERB_ERROR); _strings.nounError = readStringAt(*stream, IDI_HR1_OFS_STR_NOUN_ERROR); _strings.playAgain = readStringAt(*stream, IDI_HR1_OFS_STR_PLAY_AGAIN); _strings.pressReturn = readStringAt(*stream, IDI_HR1_OFS_STR_PRESS_RETURN); _strings.lineFeeds = readStringAt(*stream, IDI_HR1_OFS_STR_LINE_FEEDS); // Set message IDs _messageIds.cantGoThere = IDI_HR1_MSG_CANT_GO_THERE; _messageIds.dontUnderstand = IDI_HR1_MSG_DONT_UNDERSTAND; _messageIds.itemDoesntMove = IDI_HR1_MSG_ITEM_DOESNT_MOVE; _messageIds.itemNotHere = IDI_HR1_MSG_ITEM_NOT_HERE; _messageIds.thanksForPlaying = IDI_HR1_MSG_THANKS_FOR_PLAYING; // Load message offsets stream->seek(IDI_HR1_OFS_MSGS); for (uint i = 0; i < IDI_HR1_NUM_MESSAGES; ++i) _messages.push_back(_files->getDataBlock(IDS_HR1_MESSAGES, stream->readUint16LE())); // Load picture data from executable stream->seek(IDI_HR1_OFS_PICS); for (uint i = 1; i <= IDI_HR1_NUM_PICS; ++i) { byte block = stream->readByte(); Common::String name = Common::String::format("BLOCK%i", block); uint16 offset = stream->readUint16LE(); _pictures[i] = _files->getDataBlock(name, offset); } // Load commands from executable stream->seek(IDI_HR1_OFS_CMDS_1); readCommands(*stream, _roomCommands); stream->seek(IDI_HR1_OFS_CMDS_0); readCommands(*stream, _globalCommands); // Load dropped item offsets stream->seek(IDI_HR1_OFS_ITEM_OFFSETS); loadDroppedItemOffsets(*stream, IDI_HR1_NUM_ITEM_OFFSETS); // Load right-angle line art stream->seek(IDI_HR1_OFS_CORNERS); uint16 cornersCount = stream->readUint16LE(); for (uint i = 0; i < cornersCount; ++i) _corners.push_back(_files->getDataBlock(IDS_HR1_EXE_1, IDI_HR1_OFS_CORNERS + stream->readUint16LE())); if (stream->eos() || stream->err()) error("Failed to read game data from '" IDS_HR1_EXE_1 "'"); stream->seek(IDI_HR1_OFS_VERBS); loadWords(*stream, _verbs, _priVerbs); stream->seek(IDI_HR1_OFS_NOUNS); loadWords(*stream, _nouns, _priNouns); } void HiRes1Engine::initGameState() { _state.vars.resize(IDI_HR1_NUM_VARS); StreamPtr stream(_files->createReadStream(IDS_HR1_EXE_1)); // Load room data from executable _roomDesc.clear(); stream->seek(IDI_HR1_OFS_ROOMS); for (uint i = 0; i < IDI_HR1_NUM_ROOMS; ++i) { Room room; stream->readByte(); _roomDesc.push_back(stream->readByte()); for (uint j = 0; j < 6; ++j) room.connections[j] = stream->readByte(); room.picture = stream->readByte(); room.curPicture = stream->readByte(); _state.rooms.push_back(room); } // Load item data from executable stream->seek(IDI_HR1_OFS_ITEMS); 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(); byte size = stream->readByte(); for (uint i = 0; i < size; ++i) item.roomPictures.push_back(stream->readByte()); _state.items.push_back(item); } } void HiRes1Engine::restartGame() { _display->printString(_strings.pressReturn); initState(); _display->printAsciiString(_strings.lineFeeds); } void HiRes1Engine::printString(const Common::String &str) { Common::String wrap = str; wordWrap(wrap); _display->printString(wrap); if (_messageDelay) delay(14 * 166018 / 1000); } Common::String HiRes1Engine::loadMessage(uint idx) const { StreamPtr stream(_messages[idx]->createReadStream()); return readString(*stream, APPLECHAR('\r')) + APPLECHAR('\r'); } void HiRes1Engine::printMessage(uint idx) { // Messages with hardcoded overrides don't delay after printing. // It's unclear if this is a bug or not. In some cases the result // is that these strings will scroll past the four-line text window // before the user gets a chance to read them. // NOTE: later games seem to wait for a key when the text window // overflows and don't use delays. It might be better to use // that system for this game as well. switch (idx) { case IDI_HR1_MSG_CANT_GO_THERE: _display->printString(_gameStrings.cantGoThere); return; case IDI_HR1_MSG_DONT_HAVE_IT: _display->printString(_gameStrings.dontHaveIt); return; case IDI_HR1_MSG_DONT_UNDERSTAND: _display->printString(_gameStrings.dontUnderstand); return; case IDI_HR1_MSG_GETTING_DARK: _display->printString(_gameStrings.gettingDark); return; default: printString(loadMessage(idx)); } } void HiRes1Engine::drawItems() { Common::List<Item>::iterator item; uint dropped = 0; for (item = _state.items.begin(); item != _state.items.end(); ++item) { // Skip items not in this room if (item->room != _state.room) continue; if (item->state == IDI_ITEM_DROPPED) { // Draw dropped item if in normal view if (getCurRoom().picture == getCurRoom().curPicture) drawItem(*item, _itemOffsets[dropped++]); } else { // Draw fixed item if current view is in the pic list Common::Array<byte>::const_iterator pic; for (pic = item->roomPictures.begin(); pic != item->roomPictures.end(); ++pic) { if (*pic == getCurRoom().curPicture) { drawItem(*item, item->position); break; } } } } } void HiRes1Engine::drawItem(Item &item, const Common::Point &pos) { if (item.isLineArt) { StreamPtr stream(_corners[item.picture - 1]->createReadStream()); static_cast<Graphics_v1 *>(_graphics)->drawCorners(*stream, pos); } else drawPic(item.picture, pos); } void HiRes1Engine::loadRoom(byte roomNr) { _roomData.description = loadMessage(_roomDesc[_state.room - 1]); } void HiRes1Engine::showRoom() { _state.curPicture = getCurRoom().curPicture; clearScreen(); loadRoom(_state.room); if (!_state.isDark) { drawPic(getCurRoom().curPicture); drawItems(); } _display->updateHiResScreen(); _messageDelay = false; printString(_roomData.description); _messageDelay = true; } void HiRes1Engine::wordWrap(Common::String &str) const { uint end = 39; while (1) { if (str.size() <= end) return; while (str[end] != APPLECHAR(' ')) --end; str.setChar(APPLECHAR('\r'), end); end += 40; } } Engine *HiRes1Engine_create(OSystem *syst, const AdlGameDescription *gd) { return new HiRes1Engine(syst, gd); } } // End of namespace Adl