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::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::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);
}