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Diffstat (limited to 'engines/prince/prince.cpp')
| -rw-r--r-- | engines/prince/prince.cpp | 4737 |
1 files changed, 4737 insertions, 0 deletions
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp new file mode 100644 index 0000000000..51748b30d9 --- /dev/null +++ b/engines/prince/prince.cpp @@ -0,0 +1,4737 @@ +/* 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/scummsys.h" +#include "common/config-manager.h" +#include "common/debug-channels.h" +#include "common/debug.h" +#include "common/events.h" +#include "common/file.h" +#include "common/random.h" +#include "common/fs.h" +#include "common/keyboard.h" +#include "common/substream.h" +#include "common/str.h" + +#include "graphics/cursorman.h" +#include "graphics/surface.h" +#include "graphics/palette.h" +#include "graphics/pixelformat.h" + +#include "engines/util.h" +#include "engines/advancedDetector.h" + +#include "audio/audiostream.h" + +#include "prince/prince.h" +#include "prince/font.h" +#include "prince/graphics.h" +#include "prince/script.h" +#include "prince/debugger.h" +#include "prince/object.h" +#include "prince/mob.h" +#include "prince/sound.h" +#include "prince/variatxt.h" +#include "prince/flags.h" +#include "prince/font.h" +#include "prince/mhwanh.h" +#include "prince/cursor.h" +#include "prince/archive.h" +#include "prince/hero.h" +#include "prince/resource.h" +#include "prince/animation.h" +#include "prince/option_text.h" +#include "prince/curve_values.h" + +namespace Prince { + +void PrinceEngine::debugEngine(const char *s, ...) { + char buf[STRINGBUFLEN]; + va_list va; + + va_start(va, s); + vsnprintf(buf, STRINGBUFLEN, s, va); + va_end(va); + + debug("Prince::Engine %s", buf); +} + +PrinceEngine::PrinceEngine(OSystem *syst, const PrinceGameDescription *gameDesc) : + Engine(syst), _gameDescription(gameDesc), _graph(nullptr), _script(nullptr), _interpreter(nullptr), _flags(nullptr), + _locationNr(0), _debugger(nullptr), _midiPlayer(nullptr), _room(nullptr), + _cursor1(nullptr), _cursor2(nullptr), _cursor3(nullptr), _font(nullptr), + _suitcaseBmp(nullptr), _roomBmp(nullptr), _cursorNr(0), _picWindowX(0), _picWindowY(0), _randomSource("prince"), + _invLineX(134), _invLineY(176), _invLine(5), _invLines(3), _invLineW(70), _invLineH(76), _maxInvW(72), _maxInvH(76), + _invLineSkipX(2), _invLineSkipY(3), _showInventoryFlag(false), _inventoryBackgroundRemember(false), + _mst_shadow(0), _mst_shadow2(0), _candleCounter(0), _invX1(53), _invY1(18), _invWidth(536), _invHeight(438), + _invCurInside(false), _optionsFlag(false), _optionEnabled(0), _invExamY(120), _invMaxCount(2), _invCounter(0), + _optionsMob(-1), _currentPointerNumber(1), _selectedMob(-1), _selectedItem(0), _selectedMode(0), + _optionsWidth(210), _optionsHeight(170), _invOptionsWidth(210), _invOptionsHeight(130), _optionsStep(20), + _invOptionsStep(20), _optionsNumber(7), _invOptionsNumber(5), _optionsColor1(236), _optionsColor2(252), + _dialogWidth(600), _dialogHeight(0), _dialogLineSpace(10), _dialogColor1(220), _dialogColor2(223), + _dialogFlag(false), _dialogLines(0), _dialogText(nullptr), _mouseFlag(1), + _roomPathBitmap(nullptr), _roomPathBitmapTemp(nullptr), _coordsBufEnd(nullptr), _coordsBuf(nullptr), _coords(nullptr), + _traceLineLen(0), _rembBitmapTemp(nullptr), _rembBitmap(nullptr), _rembMask(0), _rembX(0), _rembY(0), _fpX(0), _fpY(0), + _checkBitmapTemp(nullptr), _checkBitmap(nullptr), _checkMask(0), _checkX(0), _checkY(0), _traceLineFirstPointFlag(false), + _tracePointFirstPointFlag(false), _coordsBuf2(nullptr), _coords2(nullptr), _coordsBuf3(nullptr), _coords3(nullptr), + _shanLen(0), _directionTable(nullptr), _currentMidi(0), _lightX(0), _lightY(0), _curveData(nullptr), _curvPos(0), + _creditsData(nullptr), _creditsDataSize(0), _currentTime(0), _zoomBitmap(nullptr), _shadowBitmap(nullptr), _transTable(nullptr), + _flcFrameSurface(nullptr), _shadScaleValue(0), _shadLineLen(0), _scaleValue(0), _dialogImage(nullptr) { + + // Debug/console setup + DebugMan.addDebugChannel(DebugChannel::kScript, "script", "Prince Script debug channel"); + DebugMan.addDebugChannel(DebugChannel::kEngine, "engine", "Prince Engine debug channel"); + + DebugMan.enableDebugChannel("script"); + + memset(_audioStream, 0, sizeof(_audioStream)); + + gDebugLevel = 10; +} + +PrinceEngine::~PrinceEngine() { + DebugMan.clearAllDebugChannels(); + + delete _rnd; + delete _debugger; + delete _cursor1; + delete _cursor3; + delete _midiPlayer; + delete _script; + delete _flags; + delete _interpreter; + delete _font; + delete _roomBmp; + delete _suitcaseBmp; + delete _variaTxt; + free(_talkTxt); + free(_invTxt); + free(_dialogDat); + delete _graph; + delete _room; + + if (_cursor2 != nullptr) { + _cursor2->free(); + delete _cursor2; + } + + for (uint i = 0; i < _objList.size(); i++) { + delete _objList[i]; + } + _objList.clear(); + + free(_objSlot); + + for (uint32 i = 0; i < _pscrList.size(); i++) { + delete _pscrList[i]; + } + _pscrList.clear(); + + for (uint i = 0; i < _maskList.size(); i++) { + free(_maskList[i]._data); + } + _maskList.clear(); + + _drawNodeList.clear(); + + clearBackAnimList(); + _backAnimList.clear(); + + freeAllNormAnims(); + _normAnimList.clear(); + + for (uint i = 0; i < _allInvList.size(); i++) { + _allInvList[i]._surface->free(); + delete _allInvList[i]._surface; + } + _allInvList.clear(); + + _optionsPic->free(); + delete _optionsPic; + + _optionsPicInInventory->free(); + delete _optionsPicInInventory; + + for (uint i = 0; i < _mainHero->_moveSet.size(); i++) { + delete _mainHero->_moveSet[i]; + } + + for (uint i = 0; i < _secondHero->_moveSet.size(); i++) { + delete _secondHero->_moveSet[i]; + } + + delete _mainHero; + delete _secondHero; + + free(_roomPathBitmap); + free(_roomPathBitmapTemp); + free(_coordsBuf); + + _mobPriorityList.clear(); + + freeAllSamples(); + + free(_zoomBitmap); + free(_shadowBitmap); + free(_transTable); + + free(_curveData); + + free(_shadowLine); + + free(_creditsData); + + if (_dialogImage != nullptr) { + _dialogImage->free(); + delete _dialogImage; + } +} + +GUI::Debugger *PrinceEngine::getDebugger() { + return _debugger; +} + +void PrinceEngine::init() { + + const Common::FSNode gameDataDir(ConfMan.get("path")); + + debugEngine("Adding all path: %s", gameDataDir.getPath().c_str()); + + PtcArchive *all = new PtcArchive(); + if (!all->open("all/databank.ptc")) + error("Can't open all/databank.ptc"); + + PtcArchive *voices = new PtcArchive(); + if (!voices->open("data/voices/databank.ptc")) + error("Can't open data/voices/databank.ptc"); + + PtcArchive *sound = new PtcArchive(); + if (!sound->open("sound/databank.ptc")) + error("Can't open sound/databank.ptc"); + + SearchMan.addSubDirectoryMatching(gameDataDir, "all"); + + SearchMan.add("all", all); + SearchMan.add("voices", voices); + SearchMan.add("sound", sound); + + _graph = new GraphicsMan(this); + + _rnd = new Common::RandomSource("prince"); + + _midiPlayer = new MusicPlayer(this); + + if (getLanguage() == Common::DE_DEU) { + _font = new Font(); + Resource::loadResource(_font, "font3.raw", true); + } else { + _font = new Font(); + Resource::loadResource(_font, "font1.raw", true); + } + + _suitcaseBmp = new MhwanhDecoder(); + Resource::loadResource(_suitcaseBmp, "walizka", true); + + _script = new Script(this); + Resource::loadResource(_script, "skrypt.dat", true); + + _flags = new InterpreterFlags(); + _interpreter = new Interpreter(this, _script, _flags); + + _debugger = new Debugger(this, _flags); + + _variaTxt = new VariaTxt(); + Resource::loadResource(_variaTxt, "variatxt.dat", true); + + _cursor1 = new Cursor(); + Resource::loadResource(_cursor1, "mouse1.cur", true); + + _cursor3 = new Cursor(); + Resource::loadResource(_cursor3, "mouse2.cur", true); + + Common::SeekableReadStream *talkTxtStream = SearchMan.createReadStreamForMember("talktxt.dat"); + if (!talkTxtStream) { + error("Can't load talkTxtStream"); + return; + } + _talkTxtSize = talkTxtStream->size(); + _talkTxt = (byte *)malloc(_talkTxtSize); + talkTxtStream->read(_talkTxt, _talkTxtSize); + + delete talkTxtStream; + + Common::SeekableReadStream *invTxtStream = SearchMan.createReadStreamForMember("invtxt.dat"); + if (!invTxtStream) { + error("Can't load invTxtStream"); + return; + } + _invTxtSize = invTxtStream->size(); + _invTxt = (byte *)malloc(_invTxtSize); + invTxtStream->read(_invTxt, _invTxtSize); + + delete invTxtStream; + + loadAllInv(); + + Common::SeekableReadStream *dialogDatStream = SearchMan.createReadStreamForMember("dialog.dat"); + if (!dialogDatStream) { + error("Can't load dialogDatStream"); + return; + } + _dialogDatSize = dialogDatStream->size(); + _dialogDat = (byte *)malloc(_dialogDatSize); + dialogDatStream->read(_dialogDat, _dialogDatSize); + + delete dialogDatStream; + + _optionsPic = new Graphics::Surface(); + _optionsPic->create(_optionsWidth, _optionsHeight, Graphics::PixelFormat::createFormatCLUT8()); + Common::Rect picRect(0, 0, _optionsWidth, _optionsHeight); + _optionsPic->fillRect(picRect, _graph->kShadowColor); + + _optionsPicInInventory = new Graphics::Surface(); + _optionsPicInInventory->create(_invOptionsWidth, _invOptionsHeight, Graphics::PixelFormat::createFormatCLUT8()); + Common::Rect invPicRect(0, 0, _invOptionsWidth, _invOptionsHeight); + _optionsPicInInventory->fillRect(invPicRect, _graph->kShadowColor); + + _roomBmp = new Image::BitmapDecoder(); + + _room = new Room(); + + _mainHero = new Hero(this, _graph); + _secondHero = new Hero(this, _graph); + _secondHero->_maxBoredom = 140; + _secondHero->loadAnimSet(3); + + _roomPathBitmap = (byte *)malloc(kPathBitmapLen); + _roomPathBitmapTemp = (byte *)malloc(kPathBitmapLen); + _coordsBuf = (byte *)malloc(kTracePts * 4); + _coords = _coordsBuf; + _coordsBufEnd = _coordsBuf + kTracePts * 4 - 4; + + BackgroundAnim tempBackAnim; + tempBackAnim._seq._currRelative = 0; + for (int i = 0; i < kMaxBackAnims; i++) { + _backAnimList.push_back(tempBackAnim); + } + + Anim tempAnim; + tempAnim._animData = nullptr; + tempAnim._shadowData = nullptr; + for (int i = 0; i < kMaxNormAnims; i++) { + _normAnimList.push_back(tempAnim); + } + + _objSlot = (uint16 *)malloc(kMaxObjects * sizeof(uint16)); + for (int i = 0; i < kMaxObjects; i++) { + _objSlot[i] = 0xFF; + } + + _zoomBitmap = (byte *)malloc(kZoomBitmapLen); + _shadowBitmap = (byte *)malloc(2 * kShadowBitmapSize); + _transTable = (byte *)malloc(kTransTableSize); + + _curveData = (int16 *)malloc(2 * kCurveLen * sizeof(int16)); + + _shadowLine = (byte *)malloc(kShadowLineArraySize); + + Common::SeekableReadStream *creditsDataStream = SearchMan.createReadStreamForMember("credits.dat"); + if (!creditsDataStream) { + error("Can't load creditsDataStream"); + return; + } + _creditsDataSize = creditsDataStream->size(); + _creditsData = (byte *)malloc(_creditsDataSize); + creditsDataStream->read(_creditsData, _creditsDataSize); + delete creditsDataStream; +} + +void PrinceEngine::showLogo() { + MhwanhDecoder logo; + _system->delayMillis(1000 / kFPS * 20); + if (Resource::loadResource(&logo, "logo.raw", true)) { + loadSample(0, "LOGO.WAV"); + playSample(0, 0); + _graph->draw(_graph->_frontScreen, logo.getSurface()); + _graph->change(); + _graph->update(_graph->_frontScreen); + setPalette(logo.getPalette()); + _system->delayMillis(1000 / kFPS * 70); + } +} + +Common::Error PrinceEngine::run() { + + init(); + + showLogo(); + + mainLoop(); + + return Common::kNoError; +} + +bool AnimListItem::loadFromStream(Common::SeekableReadStream &stream) { + int32 pos = stream.pos(); + + uint16 type = stream.readUint16LE(); + if (type == 0xFFFF) { + return false; + } + _type = type; + _fileNumber = stream.readUint16LE(); + _startPhase = stream.readUint16LE(); + _endPhase = stream.readUint16LE(); + _loopPhase = stream.readUint16LE(); + _x = stream.readSint16LE(); + _y = stream.readSint16LE(); + _loopType = stream.readUint16LE(); + _nextAnim = stream.readUint16LE(); + _flags = stream.readUint16LE(); + + //debug("AnimListItem type %d, fileNumber %d, x %d, y %d, flags %d", _type, _fileNumber, _x, _y, _flags); + //debug("startPhase %d, endPhase %d, loopPhase %d", _startPhase, _endPhase, _loopPhase); + + // 32 byte aligment + stream.seek(pos + 32); + + return true; +} + +bool PrinceEngine::loadLocation(uint16 locationNr) { + + blackPalette(); + + _flicPlayer.close(); + + memset(_textSlots, 0, sizeof(_textSlots)); + freeAllSamples(); + + debugEngine("PrinceEngine::loadLocation %d", locationNr); + const Common::FSNode gameDataDir(ConfMan.get("path")); + SearchMan.remove(Common::String::format("%02d", _locationNr)); + + _locationNr = locationNr; + _debugger->_locationNr = locationNr; + + _flags->setFlagValue(Flags::CURRROOM, _locationNr); + _interpreter->stopBg(); + + changeCursor(0); + + const Common::String locationNrStr = Common::String::format("%02d", _locationNr); + debugEngine("loadLocation %s", locationNrStr.c_str()); + + PtcArchive *locationArchive = new PtcArchive(); + if (!locationArchive->open(locationNrStr + "/databank.ptc")) + error("Can't open location %s", locationNrStr.c_str()); + + SearchMan.add(locationNrStr, locationArchive); + + loadMusic(_locationNr); + + // load location background, replace old one + Resource::loadResource(_roomBmp, "room", true); + if (_roomBmp->getSurface()) { + _sceneWidth = _roomBmp->getSurface()->w; + } + + loadZoom(_zoomBitmap, kZoomBitmapLen, "zoom"); + loadShadow(_shadowBitmap, kShadowBitmapSize, "shadow", "shadow2"); + loadTrans(_transTable, "trans"); + loadPath("path"); + + for (uint32 i = 0; i < _pscrList.size(); i++) { + delete _pscrList[i]; + } + _pscrList.clear(); + Resource::loadResource(_pscrList, "pscr.lst", false); + + loadMobPriority("mobpri"); + + _mobList.clear(); + if (getLanguage() == Common::DE_DEU) { + const Common::String mobLstName = Common::String::format("mob%02d.lst", _locationNr); + debug("name: %s", mobLstName.c_str()); + Resource::loadResource(_mobList, mobLstName.c_str(), false); + } else { + Resource::loadResource(_mobList, "mob.lst", false); + } + + _animList.clear(); + Resource::loadResource(_animList, "anim.lst", false); + + for (uint32 i = 0; i < _objList.size(); i++) { + delete _objList[i]; + } + _objList.clear(); + Resource::loadResource(_objList, "obj.lst", false); + + _room->loadRoom(_script->getRoomOffset(_locationNr)); + + for (uint i = 0; i < _maskList.size(); i++) { + free(_maskList[i]._data); + } + _maskList.clear(); + _script->loadAllMasks(_maskList, _room->_nak); + + _picWindowX = 0; + + _lightX = _script->getLightX(_locationNr); + _lightY = _script->getLightY(_locationNr); + setShadowScale(_script->getShadowScale(_locationNr)); + + for (uint i = 0; i < _mobList.size(); i++) { + _mobList[i]._visible = _script->getMobVisible(_room->_mobs, i); + } + + _script->installObjects(_room->_obj); + + freeAllNormAnims(); + + clearBackAnimList(); + _script->installBackAnims(_backAnimList, _room->_backAnim); + + _graph->makeShadowTable(70, _graph->_shadowTable70); + _graph->makeShadowTable(50, _graph->_shadowTable50); + + _mainHero->freeOldMove(); + _secondHero->freeOldMove(); + + _mainHero->scrollHero(); + + return true; +} + +void PrinceEngine::setShadowScale(int32 shadowScale) { + shadowScale = 100 - shadowScale; + if (!shadowScale) { + _shadScaleValue = 10000; + } else { + _shadScaleValue = 10000 / shadowScale; + } +} + +void PrinceEngine::plotShadowLinePoint(int x, int y, int color, void *data) { + PrinceEngine *vm = (PrinceEngine *)data; + WRITE_LE_UINT16(&vm->_shadowLine[vm->_shadLineLen * 4], x); + WRITE_LE_UINT16(&vm->_shadowLine[vm->_shadLineLen * 4 + 2], y); + vm->_shadLineLen++; +} + +void PrinceEngine::changeCursor(uint16 curId) { + _debugger->_cursorNr = curId; + _mouseFlag = curId; + _flags->setFlagValue(Flags::MOUSEENABLED, curId); + + const Graphics::Surface *curSurface = nullptr; + + switch (curId) { + case 0: + CursorMan.showMouse(false); + _optionsFlag = 0; + _selectedMob = -1; + return; + case 1: + curSurface = _cursor1->getSurface(); + break; + case 2: + curSurface = _cursor2; + break; + case 3: + curSurface = _cursor3->getSurface(); + Common::Point mousePos = _system->getEventManager()->getMousePos(); + mousePos.x = CLIP(mousePos.x, (int16) 315, (int16) 639); + mousePos.y = CLIP(mousePos.y, (int16) 0, (int16) 170); + _system->warpMouse(mousePos.x, mousePos.y); + break; + } + + CursorMan.replaceCursorPalette(_roomBmp->getPalette(), 0, 255); + CursorMan.replaceCursor( + curSurface->getBasePtr(0, 0), + curSurface->w, curSurface->h, + 0, 0, + 255, false, + &curSurface->format + ); + CursorMan.showMouse(true); +} + +void PrinceEngine::makeInvCursor(int itemNr) { + const Graphics::Surface *cur1Surface = _cursor1->getSurface(); + int cur1W = cur1Surface->w; + int cur1H = cur1Surface->h; + const Common::Rect cur1Rect(0, 0, cur1W, cur1H); + + const Graphics::Surface *itemSurface = _allInvList[itemNr].getSurface(); + int itemW = itemSurface->w; + int itemH = itemSurface->h; + + int cur2W = cur1W + itemW / 2; + int cur2H = cur1H + itemH / 2; + + if (_cursor2 != nullptr) { + _cursor2->free(); + delete _cursor2; + } + _cursor2 = new Graphics::Surface(); + _cursor2->create(cur2W, cur2H, Graphics::PixelFormat::createFormatCLUT8()); + Common::Rect cur2Rect(0, 0, cur2W, cur2H); + _cursor2->fillRect(cur2Rect, 255); + _cursor2->copyRectToSurface(*cur1Surface, 0, 0, cur1Rect); + + byte *src1 = (byte *)itemSurface->getBasePtr(0, 0); + byte *dst1 = (byte *)_cursor2->getBasePtr(cur1W, cur1H); + + if (itemH % 2) { + itemH--; + } + if (itemW % 2) { + itemW--; + } + + for (int y = 0; y < itemH; y++) { + byte *src2 = src1; + byte *dst2 = dst1; + if (y % 2 == 0) { + for (int x = 0; x < itemW; x++, src2++) { + if (x % 2 == 0) { + if (*src2) { + *dst2 = *src2; + } else { + *dst2 = 255; + } + dst2++; + } + } + dst1 += _cursor2->pitch; + } + src1 += itemSurface->pitch; + } +} + +bool PrinceEngine::loadMusic(int musNumber) { + uint8 midiNumber = MusicPlayer::_musRoomTable[musNumber]; + if (midiNumber) { + if (midiNumber != 100) { + if (_currentMidi != midiNumber) { + _currentMidi = midiNumber; + const char *musName = MusicPlayer::_musTable[_currentMidi]; + _midiPlayer->loadMidi(musName); + } + } + } else { + stopMusic(); + } + return true; +} + +void PrinceEngine::stopMusic() { + if (_midiPlayer->isPlaying()) { + _midiPlayer->stop(); + } +} + +bool PrinceEngine::playNextFLCFrame() { + if (!_flicPlayer.isVideoLoaded()) + return false; + + const Graphics::Surface *s = _flicPlayer.decodeNextFrame(); + if (s) { + _graph->drawTransparentSurface(_graph->_frontScreen, 0, 0, s, 255); + _graph->change(); + _flcFrameSurface = s; + } else if (_flicLooped) { + _flicPlayer.rewind(); + playNextFLCFrame(); + } else if (_flcFrameSurface) { + _graph->drawTransparentSurface(_graph->_frontScreen, 0, 0, _flcFrameSurface, 255); + _graph->change(); + } + + return true; +} + +void PrinceEngine::playSample(uint16 sampleId, uint16 loopType) { + if (_audioStream[sampleId]) { + if (_mixer->isSoundIDActive(sampleId)) { + return; + } + _audioStream[sampleId]->rewind(); + _mixer->playStream(Audio::Mixer::kSFXSoundType, &_soundHandle[sampleId], _audioStream[sampleId], sampleId, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO); + } +} + +void PrinceEngine::stopSample(uint16 sampleId) { + _mixer->stopID(sampleId); +} + +void PrinceEngine::stopAllSamples() { + _mixer->stopAll(); +} + +void PrinceEngine::freeSample(uint16 sampleId) { + stopSample(sampleId); + if (_audioStream[sampleId] != nullptr) { + delete _audioStream[sampleId]; + _audioStream[sampleId] = nullptr; + } +} + +void PrinceEngine::freeAllSamples() { + for (int sampleId = 0; sampleId < kMaxSamples; sampleId++) { + freeSample(sampleId); + } +} + +bool PrinceEngine::loadSample(uint32 sampleSlot, const Common::String &streamName) { + // FIXME: This is just a workaround streamName is a path + // SOUND\\SCIERKA1.WAV for now only last path component is used + Common::String normalizedPath = lastPathComponent(streamName, '\\'); + + // WALKAROUND: Wrong name in script, not existing sound in data files + if (!normalizedPath.compareTo("9997BEKA.WAV")) { + return 0; + } + + debugEngine("loadSample slot %d, name %s", sampleSlot, normalizedPath.c_str()); + + freeSample(sampleSlot); + Common::SeekableReadStream *sampleStream = SearchMan.createReadStreamForMember(normalizedPath); + if (sampleStream == nullptr) { + delete sampleStream; + error("Can't load sample %s to slot %d", normalizedPath.c_str(), sampleSlot); + } + _audioStream[sampleSlot] = Audio::makeWAVStream(sampleStream, DisposeAfterUse::NO); + delete sampleStream; + return true; +} + +bool PrinceEngine::loadVoice(uint32 slot, uint32 sampleSlot, const Common::String &streamName) { + debugEngine("Loading wav %s slot %d", streamName.c_str(), slot); + + if (slot > kMaxTexts) { + error("Text slot bigger than MAXTEXTS %d", kMaxTexts); + return false; + } + + freeSample(sampleSlot); + Common::SeekableReadStream *sampleStream = SearchMan.createReadStreamForMember(streamName); + if (sampleStream == nullptr) { + debug("Can't open %s", streamName.c_str()); + return false; + } + + uint32 id = sampleStream->readUint32LE(); + if (id != MKTAG('F', 'F', 'I', 'R')) { + error("It's not RIFF file %s", streamName.c_str()); + return false; + } + + sampleStream->skip(0x20); + id = sampleStream->readUint32LE(); + if (id != MKTAG('a', 't', 'a', 'd')) { + error("No data section in %s id %04x", streamName.c_str(), id); + return false; + } + + id = sampleStream->readUint32LE(); + debugEngine("SetVoice slot %d time %04x", slot, id); + id <<= 3; + id /= 22050; + id += 2; + + _textSlots[slot]._time = id; + if (!slot) { + _mainHero->_talkTime = id; + } else if (slot == 1) { + _secondHero->_talkTime = id; + } + + debugEngine("SetVoice slot %d time %04x", slot, id); + sampleStream->seek(SEEK_SET); + _audioStream[sampleSlot] = Audio::makeWAVStream(sampleStream, DisposeAfterUse::NO); + delete sampleStream; + return true; +} + +void PrinceEngine::setVoice(uint16 slot, uint32 sampleSlot, uint16 flag) { + Common::String sampleName; + uint32 currentString = _interpreter->getCurrentString(); + + if (currentString >= 80000) { + uint32 nr = currentString - 80000; + sampleName = Common::String::format("%02d0%02d-%02d.WAV", nr / 100, nr % 100, flag); + } else if (currentString >= 70000) { + sampleName = Common::String::format("inv%02d-01.WAV", currentString - 70000); + } else if (currentString >= 60000) { + sampleName = Common::String::format("M%04d-%02d.WAV", currentString - 60000, flag); + } else if (currentString >= 2000) { + return; + } else if (flag >= 100) { + sampleName = Common::String::format("%03d-%03d.WAV", currentString, flag); + } else { + sampleName = Common::String::format("%03d-%02d.WAV", currentString, flag); + } + + loadVoice(slot, sampleSlot, sampleName); +} + +bool PrinceEngine::loadAnim(uint16 animNr, bool loop) { + Common::String streamName = Common::String::format("AN%02d", animNr); + Common::SeekableReadStream *flicStream = SearchMan.createReadStreamForMember(streamName); + + if (!flicStream) { + error("Can't open %s", streamName.c_str()); + return false; + } + + if (!_flicPlayer.loadStream(flicStream)) { + error("Can't load flic stream %s", streamName.c_str()); + } + + debugEngine("%s loaded", streamName.c_str()); + _flicLooped = loop; + _flicPlayer.start(); + playNextFLCFrame(); + return true; +} + +bool PrinceEngine::loadZoom(byte *zoomBitmap, uint32 dataSize, const char *resourceName) { + Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(resourceName); + if (!stream) { + delete stream; + return false; + } + if (stream->read(zoomBitmap, dataSize) != dataSize) { + free(zoomBitmap); + delete stream; + return false; + } + delete stream; + return true; +} + +bool PrinceEngine::loadShadow(byte *shadowBitmap, uint32 dataSize, const char *resourceName1, const char *resourceName2) { + Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(resourceName1); + if (!stream) { + delete stream; + return false; + } + + if (stream->read(shadowBitmap, dataSize) != dataSize) { + free(shadowBitmap); + delete stream; + return false; + } + + Common::SeekableReadStream *stream2 = SearchMan.createReadStreamForMember(resourceName2); + if (!stream2) { + delete stream; + delete stream2; + return false; + } + + byte *shadowBitmap2 = shadowBitmap + dataSize; + if (stream2->read(shadowBitmap2, dataSize) != dataSize) { + free(shadowBitmap); + delete stream; + delete stream2; + return false; + } + + delete stream; + delete stream2; + return true; +} + +bool PrinceEngine::loadTrans(byte *transTable, const char *resourceName) { + Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(resourceName); + if (!stream) { + delete stream; + for (int i = 0; i < 256; i++) { + for (int j = 0; j < 256; j++) { + transTable[i * 256 + j] = j; + } + } + return true; + } + if (stream->read(transTable, kTransTableSize) != kTransTableSize) { + delete stream; + return false; + } + delete stream; + return true; +} + +bool PrinceEngine::loadPath(const char *resourceName) { + Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(resourceName); + if (!stream) { + delete stream; + return false; + } + if (stream->read(_roomPathBitmap, kPathBitmapLen) != kPathBitmapLen) { + delete stream; + return false; + } + delete stream; + return true; +} + +bool PrinceEngine::loadAllInv() { + for (int i = 0; i < kMaxInv; i++) { + InvItem tempInvItem; + + const Common::String invStreamName = Common::String::format("INV%02d", i); + Common::SeekableReadStream *invStream = SearchMan.createReadStreamForMember(invStreamName); + if (!invStream) { + delete invStream; + return true; + } + + tempInvItem._x = invStream->readUint16LE(); + tempInvItem._y = invStream->readUint16LE(); + int width = invStream->readUint16LE(); + int height = invStream->readUint16LE(); + tempInvItem._surface = new Graphics::Surface(); + tempInvItem._surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8()); + + for (int h = 0; h < tempInvItem._surface->h; h++) { + invStream->read(tempInvItem._surface->getBasePtr(0, h), tempInvItem._surface->w); + } + + _allInvList.push_back(tempInvItem); + delete invStream; + } + + return true; +} + +bool PrinceEngine::loadMobPriority(const char *resourceName) { + Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(resourceName); + if (!stream) { + delete stream; + return false; + } + + _mobPriorityList.clear(); + int mobId; + while (1) { + mobId = stream->readUint32LE(); + if (mobId == 0xFFFFFFFF) { + break; + } + _mobPriorityList.push_back(mobId); + } + delete stream; + return true; +} + +void PrinceEngine::keyHandler(Common::Event event) { + uint16 nChar = event.kbd.keycode; + switch (nChar) { + case Common::KEYCODE_d: + if (event.kbd.hasFlags(Common::KBD_CTRL)) { + getDebugger()->attach(); + } + break; + case Common::KEYCODE_z: + if (_flags->getFlagValue(Flags::POWERENABLED)) { + _flags->setFlagValue(Flags::MBFLAG, 1); + } + break; + case Common::KEYCODE_x: + if (_flags->getFlagValue(Flags::POWERENABLED)) { + _flags->setFlagValue(Flags::MBFLAG, 2); + } + break; + case Common::KEYCODE_ESCAPE: + _flags->setFlagValue(Flags::ESCAPED2, 1); + break; + } +} + +int PrinceEngine::getMob(Common::Array<Mob> &mobList, bool usePriorityList, int posX, int posY) { + + Common::Point pointPos(posX, posY); + + int mobListSize; + if (usePriorityList) { + mobListSize = _mobPriorityList.size(); + } else { + mobListSize = mobList.size(); + } + + for (int mobNumber = 0; mobNumber < mobListSize; mobNumber++) { + Mob *mob = nullptr; + if (usePriorityList) { + mob = &mobList[_mobPriorityList[mobNumber]]; + } else { + mob = &mobList[mobNumber]; + } + + if (mob->_visible) { + continue; + } + + int type = mob->_type & 7; + switch (type) { + case 0: + case 1: + //normal_mob + if (!mob->_rect.contains(pointPos)) { + continue; + } + break; + case 3: + //mob_obj + if (mob->_mask < kMaxObjects) { + int nr = _objSlot[mob->_mask]; + if (nr != 0xFF) { + Object &obj = *_objList[nr]; + Common::Rect objectRect(obj._x, obj._y, obj._x + obj._width, obj._y + obj._height); + if (objectRect.contains(pointPos)) { + Graphics::Surface *objSurface = obj.getSurface(); + byte *pixel = (byte *)objSurface->getBasePtr(posX - obj._x, posY - obj._y); + if (*pixel != 255) { + break; + } + } + } + } + continue; + break; + case 2: + case 5: + //check_ba_mob + if (!_backAnimList[mob->_mask].backAnims.empty()) { + int currentAnim = _backAnimList[mob->_mask]._seq._currRelative; + Anim &backAnim = _backAnimList[mob->_mask].backAnims[currentAnim]; + if (backAnim._animData != nullptr) { + if (!backAnim._state) { + Common::Rect backAnimRect(backAnim._currX, backAnim._currY, backAnim._currX + backAnim._currW, backAnim._currY + backAnim._currH); + if (backAnimRect.contains(pointPos)) { + int phase = backAnim._showFrame; + int phaseFrameIndex = backAnim._animData->getPhaseFrameIndex(phase); + Graphics::Surface *backAnimSurface = backAnim._animData->getFrame(phaseFrameIndex); + byte pixel = *(byte *)backAnimSurface->getBasePtr(posX - backAnim._currX, posY - backAnim._currY); + if (pixel != 255) { + if (type == 5) { + if (mob->_rect.contains(pointPos)) { + break; + } + } else { + break; + } + } + } + } + } + } + continue; + break; + default: + //not_part_ba + continue; + break; + } + + if (usePriorityList) { + return _mobPriorityList[mobNumber]; + } else { + return mobNumber; + } + } + return -1; +} + +int PrinceEngine::checkMob(Graphics::Surface *screen, Common::Array<Mob> &mobList, bool usePriorityList) { + if (_mouseFlag == 0 || _mouseFlag == 3) { + return -1; + } + Common::Point mousePos = _system->getEventManager()->getMousePos(); + int mobNumber = getMob(mobList, usePriorityList, mousePos.x + _picWindowX, mousePos.y); + + if (mobNumber != -1) { + Common::String mobName = mobList[mobNumber]._name; + + if (getLanguage() == Common::DE_DEU) { + for (uint i = 0; i < mobName.size(); i++) { + switch (mobName[i]) { + case '\xc4': + mobName.setChar('\x83', i); + break; + case '\xd6': + mobName.setChar('\x84', i); + break; + case '\xdc': + mobName.setChar('\x85', i); + break; + case '\xdf': + mobName.setChar('\x7f', i); + break; + case '\xe4': + mobName.setChar('\x80', i); + break; + case '\xf6': + mobName.setChar('\x81', i); + break; + case '\xfc': + mobName.setChar('\x82', i); + break; + } + } + } + + uint16 textW = getTextWidth(mobName.c_str()); + + uint16 x = mousePos.x - textW / 2; + if (x > screen->w) { + x = 0; + } + + if (x + textW > screen->w) { + x = screen->w - textW; + } + + uint16 y = mousePos.y - _font->getFontHeight(); + if (y > screen->h) { + y = _font->getFontHeight() - 2; + } + + _font->drawString(screen, mobName, x, y, screen->w, 216); + } + + return mobNumber; +} + +void PrinceEngine::printAt(uint32 slot, uint8 color, char *s, uint16 x, uint16 y) { + debugC(1, DebugChannel::kEngine, "PrinceEngine::printAt slot %d, color %d, x %02d, y %02d, str %s", slot, color, x, y, s); + if (getLanguage() == Common::DE_DEU) { + correctStringDEU(s); + } + Text &text = _textSlots[slot]; + text._str = s; + text._x = x; + text._y = y; + text._color = color; + int lines = calcTextLines(s); + text._time = calcTextTime(lines); +} + +int PrinceEngine::calcTextLines(const char *s) { + int lines = 1; + while (*s) { + if (*s == '\n') { + lines++; + } + s++; + } + return lines; +} + +int PrinceEngine::calcTextTime(int numberOfLines) { + return numberOfLines * 30; +} + +void PrinceEngine::correctStringDEU(char *s) { + while (*s) { + switch (*s) { + case '\xc4': + *s = '\x83'; + break; + case '\xd6': + *s = '\x84'; + break; + case '\xdc': + *s = '\x85'; + break; + case '\xdf': + *s = '\x7f'; + break; + case '\xe4': + *s = '\x80'; + break; + case '\xf6': + *s = '\x81'; + break; + case '\xfc': + *s = '\x82'; + break; + } + s++; + } +} + +uint32 PrinceEngine::getTextWidth(const char *s) { + uint16 textW = 0; + while (*s) { + textW += _font->getCharWidth(*s) + _font->getKerningOffset(0, 0); + s++; + } + return textW; +} + +void PrinceEngine::showTexts(Graphics::Surface *screen) { + for (uint32 slot = 0; slot < kMaxTexts; slot++) { + + if (_showInventoryFlag && slot) { + // only slot 0 for inventory + break; + } + + Text& text = _textSlots[slot]; + if (!text._str && !text._time) { + continue; + } + + int x = text._x; + int y = text._y; + + if (!_showInventoryFlag) { + x -= _picWindowX; + y -= _picWindowY; + } + + Common::Array<Common::String> lines; + _font->wordWrapText(text._str, _graph->_frontScreen->w, lines); + + int wideLine = 0; + for (uint i = 0; i < lines.size(); i++) { + int textLen = getTextWidth(lines[i].c_str()); + if (textLen > wideLine) { + wideLine = textLen; + } + } + + int leftBorderText = 6; + if (x + wideLine / 2 > kNormalWidth - leftBorderText) { + x = kNormalWidth - leftBorderText - wideLine / 2; + } + + if (x - wideLine / 2 < leftBorderText) { + x = leftBorderText + wideLine / 2; + } + + int textSkip = 2; + for (uint i = 0; i < lines.size(); i++) { + int drawX = x - getTextWidth(lines[i].c_str()) / 2; + int drawY = y - 10 - (lines.size() - i) * (_font->getFontHeight() - textSkip); + if (drawX < 0) { + drawX = 0; + } + if (drawY < 0) { + drawY = 0; + } + _font->drawString(screen, lines[i], drawX, drawY, screen->w, text._color); + } + + text._time--; + if (!text._time) { + text._str = nullptr; + } + } +} + +bool PrinceEngine::spriteCheck(int sprWidth, int sprHeight, int destX, int destY) { + destX -= _picWindowX; + destY -= _picWindowY; + + // if x1 is on visible part of screen + if (destX < 0) { + if (destX + sprWidth < 1) { + //x2 is negative - out of window + return false; + } + } + // if x1 is outside of screen on right side + if (destX >= kNormalWidth) { + return false; + } + + if (destY < 0) { + if (destY + sprHeight < 1) { + //y2 is negative - out of window + return false; + } + } + if (destY >= kNormalHeight) { + return false; + } + + return true; +} + +// CheckNak +void PrinceEngine::checkMasks(int x1, int y1, int sprWidth, int sprHeight, int z) { + int x2 = x1 + sprWidth - 1; + int y2 = y1 + sprHeight - 1; + if (x1 < 0) { + x1 = 0; + } + for (uint i = 0; i < _maskList.size(); i++) { + if (!_maskList[i]._state && !_maskList[i]._flags) { + if (_maskList[i]._z > z) { + if (_maskList[i]._x1 <= x2 && _maskList[i]._x2 >= x1) { + if (_maskList[i]._y1 <= y2 && _maskList[i]._y2 >= y1) { + _maskList[i]._state = 1; + } + } + } + } + } +} + +// ClsNak +void PrinceEngine::clsMasks() { + for (uint i = 0; i < _maskList.size(); i++) { + if (_maskList[i]._state) { + _maskList[i]._state = 0; + } + } +} + +// InsertNakladki +void PrinceEngine::insertMasks(Graphics::Surface *originalRoomSurface) { + for (uint i = 0; i < _maskList.size(); i++) { + if (_maskList[i]._state) { + if (_maskList[i]._data != nullptr) { + showMask(i, originalRoomSurface); + } else { + error("insertMasks() - Wrong mask data- nr %d", i); + } + } + } +} + +// ShowNak +void PrinceEngine::showMask(int maskNr, Graphics::Surface *originalRoomSurface) { + if (!_maskList[maskNr]._flags) { + if (spriteCheck(_maskList[maskNr]._width, _maskList[maskNr]._height, _maskList[maskNr]._x1, _maskList[maskNr]._y1)) { + int destX = _maskList[maskNr]._x1 - _picWindowX; + int destY = _maskList[maskNr]._y1 - _picWindowY; + DrawNode newDrawNode; + newDrawNode.posX = destX; + newDrawNode.posY = destY; + newDrawNode.posZ = _maskList[maskNr]._z; + newDrawNode.width = _maskList[maskNr]._width; + newDrawNode.height = _maskList[maskNr]._height; + newDrawNode.s = nullptr; + newDrawNode.originalRoomSurface = originalRoomSurface; + newDrawNode.data = _maskList[maskNr].getMask(); + newDrawNode.drawFunction = &_graph->drawMaskDrawNode; + _drawNodeList.push_back(newDrawNode); + } + } +} + +void PrinceEngine::showSprite(Graphics::Surface *spriteSurface, int destX, int destY, int destZ) { + if (spriteCheck(spriteSurface->w, spriteSurface->h, destX, destY)) { + destX -= _picWindowX; + destY -= _picWindowY; + DrawNode newDrawNode; + newDrawNode.posX = destX; + newDrawNode.posY = destY; + newDrawNode.posZ = destZ; + newDrawNode.width = 0; + newDrawNode.height = 0; + newDrawNode.s = spriteSurface; + newDrawNode.originalRoomSurface = nullptr; + newDrawNode.data = _transTable; + newDrawNode.drawFunction = &_graph->drawTransparentWithTransDrawNode; + _drawNodeList.push_back(newDrawNode); + } +} + +void PrinceEngine::showSpriteShadow(Graphics::Surface *shadowSurface, int destX, int destY, int destZ) { + if (spriteCheck(shadowSurface->w, shadowSurface->h, destX, destY)) { + destX -= _picWindowX; + destY -= _picWindowY; + DrawNode newDrawNode; + newDrawNode.posX = destX; + newDrawNode.posY = destY; + newDrawNode.posZ = destZ; + newDrawNode.width = 0; + newDrawNode.height = 0; + newDrawNode.s = shadowSurface; + newDrawNode.originalRoomSurface = nullptr; + newDrawNode.data = _graph->_shadowTable70; + newDrawNode.drawFunction = &_graph->drawAsShadowDrawNode; + _drawNodeList.push_back(newDrawNode); + } +} + +void PrinceEngine::showAnim(Anim &anim) { + //ShowFrameCode + //ShowAnimFrame + int phase = anim._showFrame; + int phaseFrameIndex = anim._animData->getPhaseFrameIndex(phase); + int x = anim._x + anim._animData->getPhaseOffsetX(phase); + int y = anim._y + anim._animData->getPhaseOffsetY(phase); + int animFlag = anim._flags; + int checkMaskFlag = (animFlag & 1); + int maxFrontFlag = (animFlag & 2); + int specialZFlag = anim._nextAnim; + int z = anim._nextAnim; + Graphics::Surface *animSurface = anim._animData->getFrame(phaseFrameIndex); + int frameWidth = animSurface->w; + int frameHeight = animSurface->h; + int shadowZ = 0; + + if (checkMaskFlag) { + if (!anim._nextAnim) { + z = y + frameHeight - 1; + } + checkMasks(x, y, frameWidth, frameHeight, z); + } + + if (specialZFlag) { + z = specialZFlag; + } else if (maxFrontFlag) { + z = kMaxPicHeight + 1; + } else { + z = y + frameHeight - 1; + } + shadowZ = z; + + anim._currX = x; + anim._currY = y; + anim._currW = frameWidth; + anim._currH = frameHeight; + showSprite(animSurface, x, y, z); + + // make_special_shadow + if ((anim._flags & 0x80)) { + if (animSurface) { + DrawNode newDrawNode; + newDrawNode.posX = x; + newDrawNode.posY = y + animSurface->h - anim._shadowBack; + newDrawNode.posZ = Hero::kHeroShadowZ; + newDrawNode.width = 0; + newDrawNode.height = 0; + newDrawNode.scaleValue = _scaleValue; + newDrawNode.originalRoomSurface = nullptr; + newDrawNode.data = this; + newDrawNode.drawFunction = &Hero::showHeroShadow; + newDrawNode.s = animSurface; + _drawNodeList.push_back(newDrawNode); + } + } + + //ShowFrameCodeShadow + //ShowAnimFrameShadow + if (anim._shadowData != nullptr) { + int shadowPhaseFrameIndex = anim._shadowData->getPhaseFrameIndex(phase); + int shadowX = anim._shadowData->getBaseX() + anim._shadowData->getPhaseOffsetX(phase); + int shadowY = anim._shadowData->getBaseY() + anim._shadowData->getPhaseOffsetY(phase); + Graphics::Surface *shadowSurface = anim._shadowData->getFrame(shadowPhaseFrameIndex); + int shadowFrameWidth = shadowSurface->w; + int shadowFrameHeight = shadowSurface->h; + + if (checkMaskFlag) { + checkMasks(shadowX, shadowY, shadowFrameWidth, shadowFrameHeight, shadowY + shadowFrameWidth - 1); + } + + if (!shadowZ) { + if (maxFrontFlag) { + shadowZ = kMaxPicHeight + 1; + } else { + shadowZ = shadowY + shadowFrameWidth - 1; + } + } + showSpriteShadow(shadowSurface, shadowX, shadowY, shadowZ); + } +} + +void PrinceEngine::showNormAnims() { + for (int i = 0; i < kMaxNormAnims; i++) { + Anim &anim = _normAnimList[i]; + if (anim._animData != nullptr) { + int phaseCount = anim._animData->getPhaseCount(); + if (!anim._state) { + if (anim._frame == anim._lastFrame - 1) { + if (anim._loopType) { + if (anim._loopType == 1) { + anim._frame = anim._loopFrame; + } else { + continue; + } + } + } else { + anim._frame++; + } + anim._showFrame = anim._frame; + if (anim._showFrame >= phaseCount) { + anim._showFrame = phaseCount - 1; + } + showAnim(anim); + } + } + } +} + +void PrinceEngine::setBackAnim(Anim &backAnim) { + int start = backAnim._basaData._start; + if (start != -1) { + backAnim._frame = start; + backAnim._showFrame = start; + backAnim._loopFrame = start; + } + int end = backAnim._basaData._end; + if (end != -1) { + backAnim._lastFrame = end; + } + backAnim._state = 0; +} + +void PrinceEngine::showBackAnims() { + for (uint i = 0; i < kMaxBackAnims; i++) { + BAS &seq = _backAnimList[i]._seq; + int activeSubAnim = seq._currRelative; + if (!_backAnimList[i].backAnims.empty()) { + if (_backAnimList[i].backAnims[activeSubAnim]._animData != nullptr) { + if (!_backAnimList[i].backAnims[activeSubAnim]._state) { + seq._counter++; + if (seq._type == 2) { + if (!seq._currRelative) { + if (seq._counter >= seq._data) { + if (seq._anims > 2) { + seq._currRelative = _randomSource.getRandomNumber(seq._anims - 2) + 1; + activeSubAnim = seq._currRelative; + seq._current = _backAnimList[i].backAnims[activeSubAnim]._basaData._num; + } + setBackAnim(_backAnimList[i].backAnims[activeSubAnim]); + seq._counter = 0; + } + } + } + + if (seq._type == 3) { + if (!seq._currRelative) { + if (seq._counter < seq._data2) { + continue; + } else { + setBackAnim(_backAnimList[i].backAnims[activeSubAnim]); + } + } + } + + if (_backAnimList[i].backAnims[activeSubAnim]._frame == _backAnimList[i].backAnims[activeSubAnim]._lastFrame - 1) { + _backAnimList[i].backAnims[activeSubAnim]._frame = _backAnimList[i].backAnims[activeSubAnim]._loopFrame; + switch (seq._type) { + case 1: + if (seq._anims > 1) { + int rnd; + do { + rnd = _randomSource.getRandomNumber(seq._anims - 1); + } while (rnd == seq._currRelative); + seq._currRelative = rnd; + seq._current = _backAnimList[i].backAnims[rnd]._basaData._num; + activeSubAnim = rnd; + setBackAnim(_backAnimList[i].backAnims[activeSubAnim]); + seq._counter = 0; + } + break; + case 2: + if (seq._currRelative) { + seq._currRelative = 0; + seq._current = _backAnimList[i].backAnims[0]._basaData._num; + activeSubAnim = 0; + setBackAnim(_backAnimList[i].backAnims[activeSubAnim]); + seq._counter = 0; + } + break; + case 3: + seq._currRelative = 0; + seq._current = _backAnimList[i].backAnims[0]._basaData._num; + seq._counter = 0; + seq._data2 = _randomSource.getRandomNumber(seq._data - 1); + continue; // for bug in original game + break; + } + } else { + _backAnimList[i].backAnims[activeSubAnim]._frame++; + } + _backAnimList[i].backAnims[activeSubAnim]._showFrame = _backAnimList[i].backAnims[activeSubAnim]._frame; + showAnim(_backAnimList[i].backAnims[activeSubAnim]); + } + } + } + } +} + +void PrinceEngine::removeSingleBackAnim(int slot) { + if (!_backAnimList[slot].backAnims.empty()) { + for (uint j = 0; j < _backAnimList[slot].backAnims.size(); j++) { + if (_backAnimList[slot].backAnims[j]._animData != nullptr) { + delete _backAnimList[slot].backAnims[j]._animData; + _backAnimList[slot].backAnims[j]._animData = nullptr; + } + if (_backAnimList[slot].backAnims[j]._shadowData != nullptr) { + delete _backAnimList[slot].backAnims[j]._shadowData; + _backAnimList[slot].backAnims[j]._shadowData = nullptr; + } + } + _backAnimList[slot].backAnims.clear(); + _backAnimList[slot]._seq._currRelative = 0; + } +} + +void PrinceEngine::clearBackAnimList() { + for (int i = 0; i < kMaxBackAnims; i++) { + removeSingleBackAnim(i); + } +} + +void PrinceEngine::grabMap() { + _graph->_frontScreen->copyFrom(*_roomBmp->getSurface()); + showObjects(); + runDrawNodes(); + _graph->_mapScreen->copyFrom(*_graph->_frontScreen); +} + +void PrinceEngine::initZoomIn(int slot) { + freeZoomObject(slot); + Object *object = _objList[slot]; + if (object != nullptr) { + Graphics::Surface *zoomSource = object->getSurface(); + if (zoomSource != nullptr) { + object->_flags |= 0x8000; + object->_zoomSurface = new Graphics::Surface(); + object->_zoomSurface->create(zoomSource->w, zoomSource->h, Graphics::PixelFormat::createFormatCLUT8()); + object->_zoomSurface->fillRect(Common::Rect(zoomSource->w, zoomSource->h), 0xFF); + object->_zoomTime = 20; + } + } +} + +void PrinceEngine::initZoomOut(int slot) { + freeZoomObject(slot); + Object *object = _objList[slot]; + if (object != nullptr) { + Graphics::Surface *zoomSource = object->getSurface(); + if (zoomSource != nullptr) { + object->_flags |= 0x4000; + object->_zoomSurface = new Graphics::Surface(); + object->_zoomSurface->copyFrom(*zoomSource); + object->_zoomTime = 10; + } + } +} + +void PrinceEngine::doZoomIn(int slot) { + Object *object = _objList[slot]; + if (object != nullptr) { + Graphics::Surface *orgSurface = object->getSurface(); + if (orgSurface != nullptr) { + byte *src1 = (byte *)orgSurface->getBasePtr(0, 0); + byte *dst1 = (byte *)object->_zoomSurface->getBasePtr(0, 0); + int x = 0; + int w, rand; + int surfaceHeight = orgSurface->h; + for (int y = 0; y < surfaceHeight; y++) { + byte *src2 = src1; + byte *dst2 = dst1; + w = orgSurface->w - x; + src2 += x; + dst2 += x; + while (w > 0) { + rand = _randomSource.getRandomNumber(zoomInStep - 1); + if (rand < w) { + *(dst2 + rand) = *(src2 + rand); + src2 += zoomInStep; + dst2 += zoomInStep; + } else if (y + 1 != surfaceHeight) { + *(dst1 + orgSurface->pitch + rand - w) = *(src1 + orgSurface->pitch + rand - w); + } + w -= zoomInStep; + } + x = -1 * w; + src1 += orgSurface->pitch; + dst1 += orgSurface->pitch; + } + } + } +} + +void PrinceEngine::doZoomOut(int slot) { + Object *object = _objList[slot]; + if (object != nullptr) { + Graphics::Surface *orgSurface = object->getSurface(); + if (orgSurface != nullptr) { + byte *dst1 = (byte *)object->_zoomSurface->getBasePtr(0, 0); + int x = 0; + int w, rand; + int surfaceHeight = orgSurface->h; + for (int y = 0; y < surfaceHeight; y++) { + byte *dst2 = dst1; + w = orgSurface->w - x; + dst2 += x; + while (w > 0) { + rand = _randomSource.getRandomNumber(zoomInStep - 1); + if (rand < w) { + *(dst2 + rand) = 255; + dst2 += zoomInStep; + } else if (y + 1 != surfaceHeight) { + *(dst1 + orgSurface->pitch + rand - w) = 255; + } + w -= zoomInStep; + } + x = -1 * w; + dst1 += orgSurface->pitch; + } + } + } +} + +void PrinceEngine::freeZoomObject(int slot) { + Object *object = _objList[slot]; + if (object != nullptr) { + if (object->_zoomSurface != nullptr) { + object->_zoomSurface->free(); + delete object->_zoomSurface; + object->_zoomSurface = nullptr; + } + } +} + +void PrinceEngine::showObjects() { + for (int i = 0; i < kMaxObjects; i++) { + int nr = _objSlot[i]; + if (nr != 0xFF) { + Graphics::Surface *objSurface = nullptr; + if ((_objList[nr]->_flags & 0x8000)) { + _objList[nr]->_zoomTime--; + if (!_objList[nr]->_zoomTime) { + freeZoomObject(nr); + _objList[nr]->_flags &= 0x7FFF; + objSurface = _objList[nr]->getSurface(); + } else { + doZoomIn(nr); + objSurface = _objList[nr]->_zoomSurface; + } + } else if ((_objList[nr]->_flags & 0x4000)) { + _objList[nr]->_zoomTime--; + if (!_objList[nr]->_zoomTime) { + freeZoomObject(nr); + _objList[nr]->_flags &= 0xBFFF; + objSurface = _objList[nr]->getSurface(); + } else { + doZoomOut(nr); + objSurface = _objList[nr]->_zoomSurface; + } + } else { + objSurface = _objList[nr]->getSurface(); + } + + if (objSurface != nullptr) { + if (spriteCheck(objSurface->w, objSurface->h, _objList[nr]->_x, _objList[nr]->_y)) { + int destX = _objList[nr]->_x - _picWindowX; + int destY = _objList[nr]->_y - _picWindowY; + DrawNode newDrawNode; + newDrawNode.posX = destX; + newDrawNode.posY = destY; + newDrawNode.posZ = _objList[nr]->_z; + newDrawNode.width = 0; + newDrawNode.height = 0; + newDrawNode.s = objSurface; + newDrawNode.originalRoomSurface = nullptr; + if ((_objList[nr]->_flags & 0x2000)) { + newDrawNode.data = nullptr; + newDrawNode.drawFunction = &_graph->drawBackSpriteDrawNode; + } else { + newDrawNode.data = _transTable; + if (_flags->getFlagValue(Flags::NOANTIALIAS)) { + newDrawNode.drawFunction = &_graph->drawTransparentDrawNode; + } else { + newDrawNode.drawFunction = &_graph->drawTransparentWithTransDrawNode; + } + } + _drawNodeList.push_back(newDrawNode); + } + + if ((_objList[nr]->_flags & 1)) { + checkMasks(_objList[nr]->_x, _objList[nr]->_y, objSurface->w, objSurface->h, _objList[nr]->_z); + } + } + } + } +} + +void PrinceEngine::showParallax() { + if (!_pscrList.empty()) { + for (uint i = 0; i < _pscrList.size(); i++) { + Graphics::Surface *pscrSurface = _pscrList[i]->getSurface(); + if (pscrSurface != nullptr) { + int x = _pscrList[i]->_x - (_pscrList[i]->_step * _picWindowX / 4); + int y = _pscrList[i]->_y; + int z = PScr::kPScrZ; + if (spriteCheck(pscrSurface->w, pscrSurface->h, x, y)) { + showSprite(pscrSurface, x, y, z); + } + } + } + } +} + +bool PrinceEngine::compareDrawNodes(DrawNode d1, DrawNode d2) { + if (d1.posZ < d2.posZ) { + return true; + } + return false; +} + +void PrinceEngine::runDrawNodes() { + Common::sort(_drawNodeList.begin(), _drawNodeList.end(), compareDrawNodes); + + for (uint i = 0; i < _drawNodeList.size(); i++) { + (*_drawNodeList[i].drawFunction)(_graph->_frontScreen, &_drawNodeList[i]); + } + _graph->change(); +} + +void PrinceEngine::drawScreen() { + if (!_showInventoryFlag || _inventoryBackgroundRemember) { + clsMasks(); + + _mainHero->showHero(); + _mainHero->scrollHero(); + _mainHero->drawHero(); + + _secondHero->showHero(); + _secondHero->_drawX -= _picWindowX; + _secondHero->drawHero(); + + const Graphics::Surface *roomSurface; + if (_locationNr != 50) { + roomSurface = _roomBmp->getSurface(); + } else { + roomSurface = _graph->_mapScreen; + } + Graphics::Surface visiblePart; + if (roomSurface) { + visiblePart = roomSurface->getSubArea(Common::Rect(_picWindowX, 0, roomSurface->w, roomSurface->h)); + _graph->draw(_graph->_frontScreen, &visiblePart); + } + + showBackAnims(); + + showNormAnims(); + + playNextFLCFrame(); + + showObjects(); + + if (roomSurface) { + insertMasks(&visiblePart); + } + + showParallax(); + + runDrawNodes(); + + _drawNodeList.clear(); + + if (!_inventoryBackgroundRemember && !_dialogFlag) { + if (!_optionsFlag) { + _selectedMob = checkMob(_graph->_frontScreen, _mobList, true); + } + showTexts(_graph->_frontScreen); + checkOptions(); + } else { + _inventoryBackgroundRemember = false; + } + + showPower(); + + getDebugger()->onFrame(); + + } else { + displayInventory(); + } +} + +void PrinceEngine::blackPalette() { + byte *paletteBackup = (byte *)malloc(256 * 3); + byte *blackPalette = (byte *)malloc(256 * 3); + + int fadeStep = kFadeStep - 1; + for (int i = 0; i < kFadeStep; i++) { + _system->getPaletteManager()->grabPalette(paletteBackup, 0, 256); + for (int j = 0; j < 256; j++) { + blackPalette[3 * j] = paletteBackup[3 * j] * fadeStep / 4; + blackPalette[3 * j + 1] = paletteBackup[3 * j + 1] * fadeStep / 4; + blackPalette[3 * j + 2] = paletteBackup[3 * j + 2] * fadeStep / 4; + } + fadeStep--; + _graph->setPalette(blackPalette); + _system->updateScreen(); + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + free(paletteBackup); + free(blackPalette); + return; + } + pause(); + } + free(paletteBackup); + free(blackPalette); +} + +void PrinceEngine::setPalette(const byte *palette) { + if (palette != nullptr) { + byte *blackPalette = (byte *)malloc(256 * 3); + int fadeStep = 0; + for (int i = 0; i <= kFadeStep; i++) { + for (int j = 0; j < 256; j++) { + blackPalette[3 * j] = palette[3 * j] * fadeStep / 4; + blackPalette[3 * j + 1] = palette[3 * j + 1] * fadeStep / 4; + blackPalette[3 * j + 2] = palette[3 * j + 2] * fadeStep / 4; + } + fadeStep++; + _graph->setPalette(blackPalette); + _system->updateScreen(); + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + _graph->setPalette(palette); + free(blackPalette); + return; + } + pause(); + } + _graph->setPalette(palette); + free(blackPalette); + } +} + +void PrinceEngine::pause() { + int delay = 1000 / kFPS - int32(_system->getMillis() - _currentTime); + delay = delay < 0 ? 0 : delay; + _system->delayMillis(delay); + _currentTime = _system->getMillis(); +} + +void PrinceEngine::pause2() { + int delay = 1000 / (kFPS * 2) - int32(_system->getMillis() - _currentTime); + delay = delay < 0 ? 0 : delay; + _system->delayMillis(delay); + _currentTime = _system->getMillis(); +} + +void PrinceEngine::addInv(int heroId, int item, bool addItemQuiet) { + Hero *hero = nullptr; + if (!heroId) { + hero = _mainHero; + } else if (heroId == 1) { + hero = _secondHero; + } + if (hero != nullptr) { + if (hero->_inventory.size() < kMaxItems) { + if (item != 0x7FFF) { + hero->_inventory.push_back(item); + } + if (!addItemQuiet) { + addInvObj(); + } + _interpreter->setResult(0); + } else { + _interpreter->setResult(1); + } + } +} + +void PrinceEngine::remInv(int heroId, int item) { + Hero *hero = nullptr; + if (!heroId) { + hero = _mainHero; + } else if (heroId == 1) { + hero = _secondHero; + } + if (hero != nullptr) { + for (uint i = 0; i < hero->_inventory.size(); i++) { + if (hero->_inventory[i] == item) { + hero->_inventory.remove_at(i); + _interpreter->setResult(0); + return; + } + } + } + _interpreter->setResult(1); +} + +void PrinceEngine::clearInv(int heroId) { + switch (heroId) { + case 0: + _mainHero->_inventory.clear(); + break; + case 1: + _secondHero->_inventory.clear(); + break; + default: + error("clearInv() - wrong hero slot"); + break; + } +} + +void PrinceEngine::swapInv(int heroId) { + Common::Array<int> tempInv; + Hero *hero = nullptr; + if (!heroId) { + hero = _mainHero; + } else if (heroId == 1) { + hero = _secondHero; + } + if (hero != nullptr) { + for (uint i = 0; i < hero->_inventory.size(); i++) { + tempInv.push_back(hero->_inventory[i]); + } + hero->_inventory.clear(); + for (uint i = 0; i < hero->_inventory2.size(); i++) { + hero->_inventory.push_back(hero->_inventory2[i]); + } + hero->_inventory2.clear(); + for (uint i = 0; i < tempInv.size(); i++) { + hero->_inventory2.push_back(tempInv[i]); + } + tempInv.clear(); + } +} + +void PrinceEngine::addInvObj() { + changeCursor(0); + prepareInventoryToView(); + + _inventoryBackgroundRemember = true; + drawScreen(); + + Graphics::Surface *suitcase = _suitcaseBmp->getSurface(); + + if (!_flags->getFlagValue(Flags::CURSEBLINK)) { + + loadSample(27, "PRZEDMIO.WAV"); + playSample(27, 0); + + _mst_shadow2 = 1; + + while (_mst_shadow2 < 512) { + rememberScreenInv(); + _graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase); + drawInvItems(); + _graph->update(_graph->_screenForInventory); + _mst_shadow2 += 50; + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + return; + } + pause(); + } + while (_mst_shadow2 > 256) { + rememberScreenInv(); + _graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase); + drawInvItems(); + _graph->update(_graph->_screenForInventory); + _mst_shadow2 -= 42; + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + return; + } + pause(); + } + } else { + //CURSEBLINK: + for (int i = 0; i < 3; i++) { + _mst_shadow2 = 256; + while (_mst_shadow2 < 512) { + rememberScreenInv(); + _graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase); + drawInvItems(); + _graph->update(_graph->_screenForInventory); + _mst_shadow2 += 50; + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + return; + } + pause(); + } + while (_mst_shadow2 > 256) { + rememberScreenInv(); + _graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase); + drawInvItems(); + _graph->update(_graph->_screenForInventory); + _mst_shadow2 -= 50; + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + return; + } + pause(); + } + } + } + _mst_shadow2 = 0; + for (int i = 0; i < 20; i++) { + rememberScreenInv(); + _graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase); + drawInvItems(); + _graph->update(_graph->_screenForInventory); + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + eventMan->pollEvent(event); + if (shouldQuit()) { + return; + } + pause(); + } +} + +void PrinceEngine::rememberScreenInv() { + _graph->_screenForInventory->copyFrom(*_graph->_frontScreen); +} + +void PrinceEngine::inventoryFlagChange(bool inventoryState) { + if (inventoryState) { + _showInventoryFlag = true; + _inventoryBackgroundRemember = true; + } else { + _showInventoryFlag = false; + } +} + +void PrinceEngine::prepareInventoryToView() { + _invMobList.clear(); + int invItem = _mainHero->_inventory.size(); + _invLine = invItem / 3; + if (invItem % 3) { + _invLine++; + } + if (_invLine < 4) { + _invLine = 4; + } + _maxInvW = (374 - 2 * _invLine) / _invLine; + _invLineW = _maxInvW - 2; + + int currInvX = _invLineX; + int currInvY = _invLineY; + + Common::MemoryReadStream stream(_invTxt, _invTxtSize); + byte c; + + uint item = 0; + for (int i = 0; i < _invLines; i++) { + for (int j = 0; j < _invLine; j++) { + Mob tempMobItem; + if (item < _mainHero->_inventory.size()) { + int itemNr = _mainHero->_inventory[item]; + tempMobItem._visible = 0; + tempMobItem._mask = itemNr; + tempMobItem._rect = Common::Rect(currInvX + _picWindowX, currInvY, currInvX + _picWindowX + _invLineW - 1, currInvY + _invLineH - 1); + tempMobItem._type = 0; // to work with checkMob() + + tempMobItem._name = ""; + tempMobItem._examText = ""; + int txtOffset = READ_LE_UINT32(&_invTxt[itemNr * 8]); + int examTxtOffset = READ_LE_UINT32(&_invTxt[itemNr * 8 + 4]); + + stream.seek(txtOffset); + while ((c = stream.readByte())) { + tempMobItem._name += c; + } + + stream.seek(examTxtOffset); + while ((c = stream.readByte())) { + tempMobItem._examText += c; + } + _invMobList.push_back(tempMobItem); + } + currInvX += _invLineW + _invLineSkipX; + item++; + } + currInvX = _invLineX; + currInvY += _invLineSkipY + _invLineH; + } +} + +void PrinceEngine::drawInvItems() { + int currInvX = _invLineX; + int currInvY = _invLineY; + uint item = 0; + for (int i = 0; i < _invLines; i++) { + for (int j = 0; j < _invLine; j++) { + if (item < _mainHero->_inventory.size()) { + int itemNr = _mainHero->_inventory[item]; + _mst_shadow = 0; + if (_mst_shadow2) { + if (!_flags->getFlagValue(Flags::CURSEBLINK)) { + if (item + 1 == _mainHero->_inventory.size()) { // last item in inventory + _mst_shadow = 1; + } + } else if (itemNr == 1 || itemNr == 3 || itemNr == 4 || itemNr == 7) { + _mst_shadow = 1; + } + } + + int drawX = currInvX; + int drawY = currInvY; + Graphics::Surface *itemSurface = nullptr; + if (itemNr != 68) { + itemSurface = _allInvList[itemNr].getSurface(); + if (itemSurface->h < _maxInvH) { + drawY += (_maxInvH - itemSurface->h) / 2; + } + } else { + // candle item: + if (_candleCounter == 8) { + _candleCounter = 0; + } + itemNr = _candleCounter; + _candleCounter++; + itemNr &= 7; + itemNr += 71; + itemSurface = _allInvList[itemNr].getSurface(); + drawY += _allInvList[itemNr]._y + (_maxInvH - 76) / 2 - 200; + } + if (itemSurface->w < _maxInvW) { + drawX += (_maxInvW - itemSurface->w) / 2; + } + if (!_mst_shadow) { + _graph->drawTransparentSurface(_graph->_screenForInventory, drawX, drawY, itemSurface); + } else { + _mst_shadow = _mst_shadow2; + _graph->drawTransparentWithBlendSurface(_graph->_screenForInventory, drawX, drawY, itemSurface); + } + } + currInvX += _invLineW + _invLineSkipX; + item++; + } + currInvX = _invLineX; + currInvY += _invLineSkipY + _invLineH; + } +} + +void PrinceEngine::walkTo() { + if (_mainHero->_visible) { + _mainHero->freeHeroAnim(); + _mainHero->freeOldMove(); + _interpreter->storeNewPC(_script->_scriptInfo.usdCode); + int destX, destY; + if (_optionsMob != -1) { + destX = _mobList[_optionsMob]._examPosition.x; + destY = _mobList[_optionsMob]._examPosition.y; + _mainHero->_destDirection = _mobList[_optionsMob]._examDirection; + } else { + Common::Point mousePos = _system->getEventManager()->getMousePos(); + destX = mousePos.x + _picWindowX; + destY = mousePos.y + _picWindowY; + _mainHero->_destDirection = 0; + } + _mainHero->_coords = makePath(kMainHero, _mainHero->_middleX, _mainHero->_middleY, destX, destY); + if (_mainHero->_coords != nullptr) { + _mainHero->_currCoords = _mainHero->_coords; + _mainHero->_dirTab = _directionTable; + _mainHero->_currDirTab = _directionTable; + _directionTable = nullptr; + _mainHero->_state = Hero::kHeroStateMove; + moveShandria(); + } + } +} + +void PrinceEngine::moveRunHero(int heroId, int x, int y, int dir, bool runHeroFlag) { + Hero *hero = nullptr; + if (!heroId) { + hero = _mainHero; + } else if (heroId == 1) { + hero = _secondHero; + } + + if (hero != nullptr) { + if (dir) { + hero->_destDirection = dir; + } + if (x || y) { + hero->freeOldMove(); + hero->_coords = makePath(heroId, hero->_middleX, hero->_middleY, x, y); + if (hero->_coords != nullptr) { + hero->_currCoords = hero->_coords; + hero->_dirTab = _directionTable; + hero->_currDirTab = _directionTable; + _directionTable = nullptr; + if (runHeroFlag) { + hero->_state = Hero::kHeroStateRun; + } else { + hero->_state = Hero::kHeroStateMove; + } + if (heroId == kMainHero && _mouseFlag) { + moveShandria(); + } + } + } else { + hero->freeOldMove(); + hero->_state = Hero::kHeroStateTurn; + } + hero->freeHeroAnim(); + hero->_visible = 1; + } +} + +void PrinceEngine::leftMouseButton() { + _flags->setFlagValue(Flags::LMOUSE, 1); + if (_flags->getFlagValue(Flags::POWERENABLED)) { + _flags->setFlagValue(Flags::MBFLAG, 1); + } + if (_mouseFlag) { + int option = 0; + int optionEvent = -1; + + if (_optionsFlag) { + if (_optionEnabled < _optionsNumber && _optionEnabled != -1) { + option = _optionEnabled; + _optionsFlag = 0; + } else { + return; + } + } else { + _optionsMob = _selectedMob; + if (_optionsMob == -1) { + walkTo(); + return; + } + option = 0; + } + //do_option + if (_currentPointerNumber != 2) { + //skip_use_code + int optionScriptOffset = _room->getOptionOffset(option); + if (optionScriptOffset != 0) { + optionEvent = _script->scanMobEvents(_optionsMob, optionScriptOffset); + } + if (optionEvent == -1) { + if (!option) { + walkTo(); + return; + } else { + optionEvent = _script->getOptionStandardOffset(option); + } + } + } else if (_selectedMode) { + //give_item + if (_room->_itemGive) { + optionEvent = _script->scanMobEventsWithItem(_optionsMob, _room->_itemGive, _selectedItem); + } + if (optionEvent == -1) { + //standard_giveitem + optionEvent = _script->_scriptInfo.stdGiveItem; + } + } else { + if (_room->_itemUse) { + optionEvent = _script->scanMobEventsWithItem(_optionsMob, _room->_itemUse, _selectedItem); + _flags->setFlagValue(Flags::SELITEM, _selectedItem); + } + if (optionEvent == -1) { + //standard_useitem + optionEvent = _script->_scriptInfo.stdUseItem; + } + } + _interpreter->storeNewPC(optionEvent); + _flags->setFlagValue(Flags::CURRMOB, _selectedMob); + _selectedMob = -1; + _optionsMob = -1; + } else { + if (!_flags->getFlagValue(Flags::POWERENABLED)) { + if (!_flags->getFlagValue(Flags::NOCLSTEXT)) { + for (int slot = 0; slot < kMaxTexts; slot++) { + if (slot != 9) { + Text& text = _textSlots[slot]; + if (!text._str) { + continue; + } + text._str = 0; + text._time = 0; + } + } + _mainHero->_talkTime = 0; + _secondHero->_talkTime = 0; + } + } + } +} + +void PrinceEngine::rightMouseButton() { + if (_flags->getFlagValue(Flags::POWERENABLED)) { + _flags->setFlagValue(Flags::MBFLAG, 2); + } + if (_mouseFlag && _mouseFlag != 3) { + _mainHero->freeOldMove(); + _secondHero->freeOldMove(); + _interpreter->storeNewPC(0); + if (_currentPointerNumber < 2) { + enableOptions(true); + } else { + _currentPointerNumber = 1; + changeCursor(1); + } + } +} + +void PrinceEngine::inventoryLeftMouseButton() { + if (!_mouseFlag) { + _textSlots[0]._time = 0; + _textSlots[0]._str = nullptr; + stopSample(28); + } + + if (_optionsFlag == 1) { + if (_selectedMob != -1) { + if (_optionEnabled < _invOptionsNumber) { + _optionsFlag = 0; + } else { + return; + } + } else { + error("PrinceEngine::inventoryLeftMouseButton() - optionsFlag = 1, selectedMob = 0"); + if (_currentPointerNumber == 2) { + changeCursor(1); + _currentPointerNumber = 1; + _selectedMob = -1; + _optionsMob = -1; + return; + } else { + return; + } + } + } else { + if (_selectedMob != -1) { + if (_currentPointerNumber != 2) { + if (_invMobList[_selectedMob]._mask != 29) { + _optionEnabled = 0; + } else { + // map item + _optionEnabled = 1; + } + } else { + //use_item_on_item + int invObjUU = _script->scanMobEventsWithItem(_invMobList[_selectedMob]._mask, _script->_scriptInfo.invObjUU, _selectedItem); + if (invObjUU == -1) { + int textNr = 80011; // "I can't do it." + if (_selectedItem == 31 || _invMobList[_selectedMob]._mask == 31) { + textNr = 80020; // "Nothing is happening." + } + _interpreter->setCurrentString(textNr); + printAt(0, 216, (char *)_variaTxt->getString(textNr - 80000), kNormalWidth / 2, 100); + setVoice(0, 28, 1); + playSample(28, 0); + _selectedMob = -1; + _optionsMob = -1; + return; + } else { + _interpreter->storeNewPC(invObjUU); + _flags->setFlagValue(Flags::CURRMOB, _invMobList[_selectedMob]._mask); + _showInventoryFlag = false; + } + } + } else { + return; + } + } + //do_option + if (_optionEnabled == 0) { + int invObjExamEvent = _script->scanMobEvents(_invMobList[_selectedMob]._mask, _script->_scriptInfo.invObjExam); + if (invObjExamEvent == -1) { + // do_standard + printAt(0, 216, (char *)_invMobList[_selectedMob]._examText.c_str(), kNormalWidth / 2, _invExamY); + _interpreter->setCurrentString(_invMobList[_selectedMob]._mask + 70000); + setVoice(0, 28, 1); + playSample(28, 0); + // disableuseuse + changeCursor(0); + _currentPointerNumber = 1; + } else { + _interpreter->storeNewPC(invObjExamEvent); + _flags->setFlagValue(Flags::CURRMOB, _invMobList[_selectedMob]._mask); + _showInventoryFlag = false; + } + } else if (_optionEnabled == 1) { + // not_examine + int invObjUse = _script->scanMobEvents(_invMobList[_selectedMob]._mask, _script->_scriptInfo.invObjUse); + if (invObjUse == -1) { + // do_standard_use + _selectedMode = 0; + _selectedItem = _invMobList[_selectedMob]._mask; + makeInvCursor(_invMobList[_selectedMob]._mask); + _currentPointerNumber = 2; + changeCursor(2); + } else { + _interpreter->storeNewPC(invObjUse); + _flags->setFlagValue(Flags::CURRMOB, _invMobList[_selectedMob]._mask); + _showInventoryFlag = false; + } + } else if (_optionEnabled == 4) { + // do_standard_give + _selectedMode = 1; + _selectedItem = _invMobList[_selectedMob]._mask; + makeInvCursor(_invMobList[_selectedMob]._mask); + _currentPointerNumber = 2; + changeCursor(2); + } else { + // use_item_on_item + int invObjUU = _script->scanMobEventsWithItem(_invMobList[_selectedMob]._mask, _script->_scriptInfo.invObjUU, _selectedItem); + if (invObjUU == -1) { + int textNr = 80011; // "I can't do it." + if (_selectedItem == 31 || _invMobList[_selectedMob]._mask == 31) { + textNr = 80020; // "Nothing is happening." + } + _interpreter->setCurrentString(textNr); + printAt(0, 216, (char *)_variaTxt->getString(textNr - 80000), kNormalWidth / 2, 100); + setVoice(0, 28, 1); + playSample(28, 0); + } else { + _interpreter->storeNewPC(invObjUU); + _flags->setFlagValue(Flags::CURRMOB, _invMobList[_selectedMob]._mask); + _showInventoryFlag = false; + } + } + _selectedMob = -1; + _optionsMob = -1; +} + +void PrinceEngine::inventoryRightMouseButton() { + if (_textSlots[0]._str == nullptr) { + enableOptions(false); + } +} + +void PrinceEngine::enableOptions(bool checkType) { + if (_optionsFlag != 1) { + changeCursor(1); + _currentPointerNumber = 1; + if (_selectedMob != -1) { + if (checkType) { + if (_mobList[_selectedMob]._type & 0x100) { + return; + } + } + Common::Point mousePos = _system->getEventManager()->getMousePos(); + int x1 = mousePos.x - _optionsWidth / 2; + int x2 = mousePos.x + _optionsWidth / 2; + if (x1 < 0) { + x1 = 0; + x2 = _optionsWidth; + } else if (x2 >= kNormalWidth) { + x1 = kNormalWidth - _optionsWidth; + x2 = kNormalWidth; + } + int y1 = mousePos.y - 10; + if (y1 < 0) { + y1 = 0; + } + if (y1 + _optionsHeight >= kNormalHeight) { + y1 = kNormalHeight - _optionsHeight; + } + _optionsMob = _selectedMob; + _optionsX = x1; + _optionsY = y1; + _optionsFlag = 1; + } + } +} + +void PrinceEngine::checkOptions() { + if (_optionsFlag) { + Common::Rect optionsRect(_optionsX, _optionsY, _optionsX + _optionsWidth, _optionsY + _optionsHeight); + Common::Point mousePos = _system->getEventManager()->getMousePos(); + if (!optionsRect.contains(mousePos)) { + _optionsFlag = 0; + _selectedMob = -1; + return; + } + _graph->drawAsShadowSurface(_graph->_frontScreen, _optionsX, _optionsY, _optionsPic, _graph->_shadowTable50); + + _optionEnabled = -1; + int optionsYCord = mousePos.y - (_optionsY + 16); + if (optionsYCord >= 0) { + int selectedOptionNr = optionsYCord / _optionsStep; + if (selectedOptionNr < _optionsNumber) { + _optionEnabled = selectedOptionNr; + } + } + int optionsColor; + int textY = _optionsY + 16; + for (int i = 0; i < _optionsNumber; i++) { + if (i != _optionEnabled) { + optionsColor = _optionsColor1; + } else { + optionsColor = _optionsColor2; + } + Common::String optText; + switch(getLanguage()) { + case Common::PL_POL: + optText = optionsTextPL[i]; + break; + case Common::DE_DEU: + optText = optionsTextDE[i]; + break; + case Common::EN_ANY: + optText = optionsTextEN[i]; + break; + }; + uint16 textW = getTextWidth(optText.c_str()); + uint16 textX = _optionsX + _optionsWidth / 2 - textW / 2; + _font->drawString(_graph->_frontScreen, optText, textX, textY, textW, optionsColor); + textY += _optionsStep; + } + } +} + +void PrinceEngine::checkInvOptions() { + if (_optionsFlag) { + Common::Rect optionsRect(_optionsX, _optionsY, _optionsX + _invOptionsWidth, _optionsY + _invOptionsHeight); + Common::Point mousePos = _system->getEventManager()->getMousePos(); + if (!optionsRect.contains(mousePos)) { + _optionsFlag = 0; + _selectedMob = -1; + return; + } + _graph->drawAsShadowSurface(_graph->_screenForInventory, _optionsX, _optionsY, _optionsPicInInventory, _graph->_shadowTable50); + + _optionEnabled = -1; + int optionsYCord = mousePos.y - (_optionsY + 16); + if (optionsYCord >= 0) { + int selectedOptionNr = optionsYCord / _invOptionsStep; + if (selectedOptionNr < _invOptionsNumber) { + _optionEnabled = selectedOptionNr; + } + } + int optionsColor; + int textY = _optionsY + 16; + for (int i = 0; i < _invOptionsNumber; i++) { + if (i != _optionEnabled) { + optionsColor = _optionsColor1; + } else { + optionsColor = _optionsColor2; + } + Common::String invText; + switch(getLanguage()) { + case Common::PL_POL: + invText = invOptionsTextPL[i]; + break; + case Common::DE_DEU: + invText = invOptionsTextDE[i]; + break; + case Common::EN_ANY: + invText = invOptionsTextEN[i]; + break; + }; + uint16 textW = getTextWidth(invText.c_str()); + uint16 textX = _optionsX + _invOptionsWidth / 2 - textW / 2; + _font->drawString(_graph->_screenForInventory, invText, textX, textY, _graph->_screenForInventory->w, optionsColor); + textY += _invOptionsStep; + } + } +} + +void PrinceEngine::displayInventory() { + + _mainHero->freeOldMove(); + _secondHero->freeOldMove(); + + _interpreter->setFgOpcodePC(0); + + stopAllSamples(); + + prepareInventoryToView(); + + while (!shouldQuit()) { + + if (_textSlots[0]._str != nullptr) { + changeCursor(0); + } else { + changeCursor(_currentPointerNumber); + + Common::Rect inventoryRect(_invX1, _invY1, _invX1 + _invWidth, _invY1 + _invHeight); + Common::Point mousePos = _system->getEventManager()->getMousePos(); + + if (!_invCurInside && inventoryRect.contains(mousePos)) { + _invCurInside = true; + } + + if (_invCurInside && !inventoryRect.contains(mousePos)) { + inventoryFlagChange(false); + _invCurInside = false; + break; + } + } + + rememberScreenInv(); + + Graphics::Surface *suitcase = _suitcaseBmp->getSurface(); + _graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase); + + drawInvItems(); + + showTexts(_graph->_screenForInventory); + + if (!_optionsFlag && _textSlots[0]._str == nullptr) { + _selectedMob = checkMob(_graph->_screenForInventory, _invMobList, false); + } + + checkInvOptions(); + + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + while (eventMan->pollEvent(event)) { + switch (event.type) { + case Common::EVENT_KEYDOWN: + keyHandler(event); + break; + case Common::EVENT_LBUTTONDOWN: + inventoryLeftMouseButton(); + break; + case Common::EVENT_RBUTTONDOWN: + inventoryRightMouseButton(); + break; + default: + break; + } + } + + if (!_showInventoryFlag) { + break; + } + + if (shouldQuit()) + return; + + getDebugger()->onFrame(); + _graph->update(_graph->_screenForInventory); + pause(); + } + + if (_currentPointerNumber == 2) { + _flags->setFlagValue(Flags::SELITEM, _selectedItem); + } else { + _flags->setFlagValue(Flags::SELITEM, 0); + } +} + +void PrinceEngine::createDialogBox(int dialogBoxNr) { + _dialogLines = 0; + int amountOfDialogOptions = 0; + int dialogDataValue = (int)READ_LE_UINT32(_dialogData); + + byte c; + int sentenceNumber; + _dialogText = _dialogBoxAddr[dialogBoxNr]; + byte *dialogText = _dialogText; + + while ((sentenceNumber = *dialogText) != 0xFF) { + dialogText++; + if (!(dialogDataValue & (1 << sentenceNumber))) { + _dialogLines += calcTextLines((const char *)dialogText); + amountOfDialogOptions++; + } + do { + c = *dialogText; + dialogText++; + } while (c); + } + + _dialogHeight = _font->getFontHeight() * _dialogLines + _dialogLineSpace * (amountOfDialogOptions + 1); + _dialogImage = new Graphics::Surface(); + _dialogImage->create(_dialogWidth, _dialogHeight, Graphics::PixelFormat::createFormatCLUT8()); + Common::Rect dBoxRect(0, 0, _dialogWidth, _dialogHeight); + _dialogImage->fillRect(dBoxRect, _graph->kShadowColor); +} + +void PrinceEngine::runDialog() { + + _dialogFlag = true; + + while (!shouldQuit()) { + + _interpreter->stepBg(); + drawScreen(); + + int dialogX = (640 - _dialogWidth) / 2; + int dialogY = 460 - _dialogHeight; + _graph->drawAsShadowSurface(_graph->_frontScreen, dialogX, dialogY, _dialogImage, _graph->_shadowTable50); + + int dialogSkipLeft = 14; + int dialogSkipUp = 10; + + int dialogTextX = dialogX + dialogSkipLeft; + int dialogTextY = dialogY + dialogSkipUp; + + Common::Point mousePos = _system->getEventManager()->getMousePos(); + + byte c; + int sentenceNumber; + byte *dialogText = _dialogText; + byte *dialogCurrentText = nullptr; + int dialogSelected = -1; + int dialogDataValue = (int)READ_LE_UINT32(_dialogData); + + while ((sentenceNumber = *dialogText) != 0xFF) { + dialogText++; + int actualColor = _dialogColor1; + + if (!(dialogDataValue & (1 << sentenceNumber))) { + if (getLanguage() == Common::DE_DEU) { + correctStringDEU((char *)dialogText); + } + Common::Array<Common::String> lines; + _font->wordWrapText((const char *)dialogText, _graph->_frontScreen->w, lines); + + Common::Rect dialogOption(dialogTextX, dialogTextY - dialogSkipUp / 2, dialogX + _dialogWidth - dialogSkipLeft, dialogTextY + lines.size() * _font->getFontHeight() + dialogSkipUp / 2 - 1); + if (dialogOption.contains(mousePos)) { + actualColor = _dialogColor2; + dialogSelected = sentenceNumber; + dialogCurrentText = dialogText; + } + + for (uint j = 0; j < lines.size(); j++) { + _font->drawString(_graph->_frontScreen, lines[j], dialogTextX, dialogTextY, _graph->_frontScreen->w, actualColor); + dialogTextY += _font->getFontHeight(); + } + dialogTextY += _dialogLineSpace; + } + do { + c = *dialogText; + dialogText++; + } while (c); + } + + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + while (eventMan->pollEvent(event)) { + switch (event.type) { + case Common::EVENT_KEYDOWN: + keyHandler(event); + break; + case Common::EVENT_LBUTTONDOWN: + if (dialogSelected != -1) { + dialogLeftMouseButton(dialogCurrentText, dialogSelected); + _dialogFlag = false; + } + break; + default: + break; + } + } + + if (shouldQuit()) { + return; + } + + if (!_dialogFlag) { + break; + } + + getDebugger()->onFrame(); + _graph->update(_graph->_frontScreen); + pause(); + } + _dialogImage->free(); + delete _dialogImage; + _dialogImage = nullptr; + _dialogFlag = false; +} + +void PrinceEngine::dialogLeftMouseButton(byte *string, int dialogSelected) { + _interpreter->setString(string); + talkHero(0); + + int dialogDataValue = (int)READ_LE_UINT32(_dialogData); + dialogDataValue |= (1u << dialogSelected); + WRITE_LE_UINT32(_dialogData, dialogDataValue); + + _flags->setFlagValue(Flags::BOXSEL, dialogSelected + 1); + setVoice(0, 28, dialogSelected + 1); + + _flags->setFlagValue(Flags::VOICE_H_LINE, _dialogOptLines[dialogSelected * 4]); + _flags->setFlagValue(Flags::VOICE_A_LINE, _dialogOptLines[dialogSelected * 4 + 1]); + _flags->setFlagValue(Flags::VOICE_B_LINE, _dialogOptLines[dialogSelected * 4 + 2]); + + _interpreter->setString(_dialogOptAddr[dialogSelected]); +} + +void PrinceEngine::talkHero(int slot) { + // heroSlot = textSlot (slot 0 or 1) + Text &text = _textSlots[slot]; + int lines = calcTextLines((const char *)_interpreter->getString()); + int time = lines * 30; + + if (slot == 0) { + text._color = 220; // TODO - test this + _mainHero->_state = Hero::kHeroStateTalk; + _mainHero->_talkTime = time; + text._x = _mainHero->_middleX; + text._y = _mainHero->_middleY - _mainHero->_scaledFrameYSize; + } else { + text._color = _flags->getFlagValue(Flags::KOLOR); // TODO - test this + _secondHero->_state = Hero::kHeroStateTalk; + _secondHero->_talkTime = time; + text._x = _secondHero->_middleX; + text._y = _secondHero->_middleY - _secondHero->_scaledFrameYSize; + } + text._time = time; + if (getLanguage() == Common::DE_DEU) { + correctStringDEU((char *)_interpreter->getString()); + } + text._str = (const char *)_interpreter->getString(); + _interpreter->increaseString(); +} + +void PrinceEngine::doTalkAnim(int animNumber, int slot, AnimType animType) { + Text &text = _textSlots[slot]; + int lines = calcTextLines((const char *)_interpreter->getString()); + int time = lines * 30; + if (animType == kNormalAnimation) { + Anim &normAnim = _normAnimList[animNumber]; + if (normAnim._animData != nullptr) { + if (!normAnim._state) { + if (normAnim._currW && normAnim._currH) { + text._color = _flags->getFlagValue(Flags::KOLOR); + text._x = normAnim._currX + normAnim._currW / 2; + text._y = normAnim._currY - 10; + } + } + } + } else if (animType == kBackgroundAnimation) { + if (!_backAnimList[animNumber].backAnims.empty()) { + int currAnim = _backAnimList[animNumber]._seq._currRelative; + Anim &backAnim = _backAnimList[animNumber].backAnims[currAnim]; + if (backAnim._animData != nullptr) { + if (!backAnim._state) { + if (backAnim._currW && backAnim._currH) { + text._color = _flags->getFlagValue(Flags::KOLOR); + text._x = backAnim._currX + backAnim._currW / 2; + text._y = backAnim._currY - 10; + } + } + } + } + } else { + error("doTalkAnim() - wrong animType: %d", animType); + } + text._time = time; + if (getLanguage() == Common::DE_DEU) { + correctStringDEU((char *)_interpreter->getString()); + } + text._str = (const char *)_interpreter->getString(); + _interpreter->increaseString(); +} + +void PrinceEngine::freeNormAnim(int slot) { + if (!_normAnimList.empty()) { + _normAnimList[slot]._state = 1; + if (_normAnimList[slot]._animData != nullptr) { + delete _normAnimList[slot]._animData; + _normAnimList[slot]._animData = nullptr; + } + if (_normAnimList[slot]._shadowData != nullptr) { + delete _normAnimList[slot]._shadowData; + _normAnimList[slot]._shadowData = nullptr; + } + } +} + +void PrinceEngine::freeAllNormAnims() { + for (int i = 0; i < kMaxNormAnims; i++) { + freeNormAnim(i); + } +} + +void PrinceEngine::getCurve() { + _flags->setFlagValue(Flags::TORX1, _curveData[_curvPos]); + _flags->setFlagValue(Flags::TORY1, _curveData[_curvPos + 1]); + _curvPos += 2; +} + +void PrinceEngine::makeCurve() { + _curvPos = 0; + int x1 = _flags->getFlagValue(Flags::TORX1); + int y1 = _flags->getFlagValue(Flags::TORY1); + int x2 = _flags->getFlagValue(Flags::TORX2); + int y2 = _flags->getFlagValue(Flags::TORY2); + + for (int i = 0; i < kCurveLen; i++) { + int sum1 = x1 * curveValues[i][0]; + sum1 += (x2 + (x1 - x2) / 2) * curveValues[i][1]; + sum1 += x2 * curveValues[i][2]; + sum1 += x2 * curveValues[i][3]; + + int sum2 = y1 * curveValues[i][0]; + sum2 += (y2 - 20) * curveValues[i][1]; + sum2 += (y2 - 10) * curveValues[i][2]; + sum2 += y2 * curveValues[i][3]; + + _curveData[i * 2] = (sum1 >> 15); + _curveData[i * 2 + 1] = (sum2 >> 15); + } +} + +void PrinceEngine::mouseWeirdo() { + if (_mouseFlag == 3) { + int weirdDir = _randomSource.getRandomNumber(3); + Common::Point mousePos = _system->getEventManager()->getMousePos(); + switch (weirdDir) { + case 0: + mousePos.x += kCelStep; + break; + case 1: + mousePos.x -= kCelStep; + break; + case 2: + mousePos.y += kCelStep; + break; + case 3: + mousePos.y -= kCelStep; + break; + } + mousePos.x = CLIP(mousePos.x, (int16) 315, (int16) 639); + _flags->setFlagValue(Flags::MXFLAG, mousePos.x); + mousePos.y = CLIP(mousePos.y, (int16) 0, (int16) 170); + _flags->setFlagValue(Flags::MYFLAG, mousePos.y); + _system->warpMouse(mousePos.x, mousePos.y); + } +} + +void PrinceEngine::showPower() { + if (_flags->getFlagValue(Flags::POWERENABLED)) { + int power = _flags->getFlagValue(Flags::POWER); + + byte *dst = (byte *)_graph->_frontScreen->getBasePtr(kPowerBarPosX, kPowerBarPosY); + for (int y = 0; y < kPowerBarHeight; y++) { + byte *dst2 = dst; + for (int x = 0; x < kPowerBarWidth; x++, dst2++) { + *dst2 = kPowerBarBackgroundColor; + } + dst += _graph->_frontScreen->pitch; + } + + if (power) { + byte *dst = (byte *)_graph->_frontScreen->getBasePtr(kPowerBarPosX, kPowerBarGreenPosY); + for (int y = 0; y < kPowerBarGreenHeight; y++) { + byte *dst2 = dst; + for (int x = 0; x < power + 1; x++, dst2++) { + if (x < 58) { + *dst2 = kPowerBarGreenColor1; + } else { + *dst2 = kPowerBarGreenColor2; + } + } + dst += _graph->_frontScreen->pitch; + } + } + + _graph->change(); + } +} + +void PrinceEngine::scrollCredits() { + byte *scrollAdress = _creditsData; + while (!shouldQuit()) { + for (int scrollPos = 0; scrollPos > -23; scrollPos--) { + const Graphics::Surface *roomSurface = _roomBmp->getSurface(); + if (roomSurface) { + _graph->draw(_graph->_frontScreen, roomSurface); + } + char *s = (char *)scrollAdress; + int drawY = scrollPos; + for (int i = 0; i < 22; i++) { + Common::String line; + char *linePos = s; + while ((*linePos != 13)) { + line += *linePos; + linePos++; + } + if (!line.empty()) { + int drawX = (kNormalWidth - getTextWidth(line.c_str())) / 2; + _font->drawString(_graph->_frontScreen, line, drawX, drawY, _graph->_frontScreen->w, 217); + } + + char letter1; + bool gotIt1 = false; + do { + letter1 = *s; + s++; + if (letter1 == 13) { + if (*s == 10) { + s++; + } + if (*s != 35) { + gotIt1 = true; + } + break; + } + } while (letter1 != 35); + + if (gotIt1) { + drawY += 23; + } else { + break; + } + } + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + while (eventMan->pollEvent(event)) { + if (event.type == Common::EVENT_KEYDOWN) { + if (event.kbd.keycode == Common::KEYCODE_ESCAPE) { + blackPalette(); + return; + } + } + } + if (shouldQuit()) { + return; + } + _graph->change(); + _graph->update(_graph->_frontScreen); + pause2(); + } + char letter2; + byte *scan2 = scrollAdress; + bool gotIt2 = false; + do { + letter2 = *scan2; + scan2++; + if (letter2 == 13) { + if (*scan2 == 10) { + scan2++; + } + if (*scan2 != 35) { + gotIt2 = true; + } + break; + } + } while (letter2 != 35); + if (gotIt2) { + scrollAdress = scan2; + } else { + break; + } + } + blackPalette(); +} + +// Modified version of Graphics::drawLine() to allow breaking the loop and return value +int PrinceEngine::drawLine(int x0, int y0, int x1, int y1, int (*plotProc)(int, int, void *), void *data) { + // Bresenham's line algorithm, as described by Wikipedia + const bool steep = ABS(y1 - y0) > ABS(x1 - x0); + + if (steep) { + SWAP(x0, y0); + SWAP(x1, y1); + } + + const int delta_x = ABS(x1 - x0); + const int delta_y = ABS(y1 - y0); + const int delta_err = delta_y; + int x = x0; + int y = y0; + int err = 0; + + const int x_step = (x0 < x1) ? 1 : -1; + const int y_step = (y0 < y1) ? 1 : -1; + + int stopFlag = 0; + if (steep) + stopFlag = (*plotProc)(y, x, data); + else + stopFlag = (*plotProc)(x, y, data); + + while (x != x1 && !stopFlag) { + x += x_step; + err += delta_err; + if (2 * err > delta_x) { + y += y_step; + err -= delta_x; + } + if (steep) + stopFlag = (*plotProc)(y, x, data); + else + stopFlag = (*plotProc)(x, y, data); + } + return stopFlag; +} + +int PrinceEngine::getPixelAddr(byte *pathBitmap, int x, int y) { + int mask = 128 >> (x & 7); + byte value = pathBitmap[x / 8 + y * 80]; + return (mask & value); +} + +void PrinceEngine::findPoint(int x, int y) { + _fpX = x; + _fpY = y; + + if (getPixelAddr(_roomPathBitmap, x, y)) { + return; + } + + int fpL = x; + int fpU = y; + int fpR = x; + int fpD = y; + + while (1) { + if (fpD != kMaxPicHeight) { + if (getPixelAddr(_roomPathBitmap, x, fpD)) { + _fpX = x; + _fpY = fpD; + break; + } + fpD++; + } + if (fpU) { + if (getPixelAddr(_roomPathBitmap, x, fpU)) { + _fpX = x; + _fpY = fpU; + break; + } + fpU--; + } + if (fpL) { + if (getPixelAddr(_roomPathBitmap, fpL, y)) { + _fpX = fpL; + _fpY = y; + break; + } + fpL--; + } + if (fpR != _sceneWidth) { + if (getPixelAddr(_roomPathBitmap, fpR, y)) { + _fpX = fpR; + _fpY = y; + break; + } + fpR++; + } + if (!fpU && (fpD == kMaxPicHeight)) { + if (!fpL && (fpR == _sceneWidth)) { + break; + } + } + } +} + +Direction PrinceEngine::makeDirection(int x1, int y1, int x2, int y2) { + if (x1 != x2) { + if (y1 != y2) { + if (x1 > x2) { + if (y1 > y2) { + if (x1 - x2 >= y1 - y2) { + return kDirLU; + } else { + return kDirUL; + } + } else { + if (x1 - x2 >= y2 - y1) { + return kDirLD; + } else { + return kDirDL; + } + } + } else { + if (y1 > y2) { + if (x2 - x1 >= y1 - y2) { + return kDirRU; + } else { + return kDirUR; + } + } else { + if (x2 - x1 >= y2 - y1) { + return kDirRD; + } else { + return kDirDR; + } + } + } + } else { + if (x1 >= x2) { + return kDirL; + } else { + return kDirR; + } + } + } else { + if (y1 >= y2) { + return kDirU; + } else { + return kDirD; + } + } +} + +void PrinceEngine::specialPlot(int x, int y) { + if (_coords < _coordsBufEnd) { + WRITE_LE_UINT16(_coords, x); + _coords += 2; + WRITE_LE_UINT16(_coords, y); + _coords += 2; + specialPlot2(x, y); + } +} + +void PrinceEngine::specialPlot2(int x, int y) { + int mask = 128 >> (x & 7); + _roomPathBitmapTemp[x / 8 + y * 80] |= mask; +} + +void PrinceEngine::specialPlotInside(int x, int y) { + if (_coords < _coordsBufEnd) { + WRITE_LE_UINT16(_coords, x); + _coords += 2; + WRITE_LE_UINT16(_coords, y); + _coords += 2; + } +} + +int PrinceEngine::plotTraceLine(int x, int y, void *data) { + PrinceEngine *traceLine = (PrinceEngine *)data; + if (!traceLine->_traceLineFirstPointFlag) { + if (!traceLine->getPixelAddr(traceLine->_roomPathBitmapTemp, x, y)) { + if (traceLine->getPixelAddr(traceLine->_roomPathBitmap, x, y)) { + traceLine->specialPlotInside(x, y); + traceLine->_traceLineLen++; + return 0; + } else { + return -1; + } + } else { + return 1; + } + } else { + traceLine->_traceLineFirstPointFlag = false; + return 0; + } +} + +int PrinceEngine::leftDownDir() { + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::leftDir() { + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::leftUpDir() { + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::rightDownDir() { + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::rightDir() { + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::rightUpDir() { + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::upLeftDir() { + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::upDir() { + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::upRightDir() { + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::downLeftDir() { + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::downDir() { + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::downRightDir() { + if (!checkRightDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDownDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkRightUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + if (!checkLeftUpDir()) { + specialPlot(_checkX, _checkY); + return 0; + } + return -1; +} + +int PrinceEngine::cpe() { + int value; + if ((*(_checkBitmap - kPBW) & _checkMask)) { + if ((*(_checkBitmap + kPBW) & _checkMask)) { + switch (_checkMask) { + case 128: + value = READ_LE_UINT16(_checkBitmap - 1); + value &= 0x4001; + if (value != 0x4001) { + return 0; + } + break; + case 64: + value = *_checkBitmap; + value &= 0xA0; + if (value != 0xA0) { + return 0; + } + break; + case 32: + value = *_checkBitmap; + value &= 0x50; + if (value != 0x50) { + return 0; + } + break; + case 16: + value = *_checkBitmap; + value &= 0x28; + if (value != 0x28) { + return 0; + } + break; + case 8: + value = *_checkBitmap; + value &= 0x14; + if (value != 0x14) { + return 0; + } + break; + case 4: + value = *_checkBitmap; + value &= 0xA; + if (value != 0xA) { + return 0; + } + break; + case 2: + value = *_checkBitmap; + value &= 0x5; + if (value != 0x5) { + return 0; + } + break; + case 1: + value = READ_LE_UINT16(_checkBitmap); + value &= 0x8002; + if (value != 0x8002) { + return 0; + } + break; + default: + error("Wrong _checkMask value - cpe()"); + break; + } + _checkX = _rembX; + _checkY = _rembY; + _checkBitmapTemp = _rembBitmapTemp; + _checkBitmap = _rembBitmap; + _checkMask = _rembMask; + return -1; + } + return 0; + } + return 0; +} + +int PrinceEngine::checkLeftDownDir() { + if (_checkX && _checkY != (kMaxPicHeight / 2 - 1)) { + int tempMask = _checkMask; + if (tempMask != 128) { + tempMask <<= 1; + if ((*(_checkBitmap + kPBW) & tempMask)) { + if (!(*(_checkBitmapTemp + kPBW) & tempMask)) { + _checkBitmap += kPBW; + _checkBitmapTemp += kPBW; + _checkMask = tempMask; + } else { + return 1; + } + } else { + return -1; + } + } else { + if ((*(_checkBitmap + kPBW - 1) & 1)) { + if (!(*(_checkBitmapTemp + kPBW - 1) & 1)) { + _checkBitmap += (kPBW - 1); + _checkBitmapTemp += (kPBW - 1); + _checkMask = 1; + } else { + return 1; + } + } else { + return -1; + } + } + _checkX--; + _checkY++; + return cpe(); + } else { + return -1; + } +} + +int PrinceEngine::checkLeftDir() { + if (_checkX) { + int tempMask = _checkMask; + if (tempMask != 128) { + tempMask <<= 1; + if ((*(_checkBitmap) & tempMask)) { + if (!(*(_checkBitmapTemp) & tempMask)) { + _checkMask = tempMask; + } else { + return 1; + } + } else { + return -1; + } + } else { + if ((*(_checkBitmap - 1) & 1)) { + if (!(*(_checkBitmapTemp - 1) & 1)) { + _checkBitmap--; + _checkBitmapTemp--; + _checkMask = 1; + } else { + return 1; + } + } else { + return -1; + } + } + _checkX--; + return cpe(); + } else { + return -1; + } +} + +int PrinceEngine::checkDownDir() { + if (_checkY != (kMaxPicHeight / 2 - 1)) { + if ((*(_checkBitmap + kPBW) & _checkMask)) { + if (!(*(_checkBitmapTemp + kPBW) & _checkMask)) { + _checkBitmap += kPBW; + _checkBitmapTemp += kPBW; + _checkY++; + return cpe(); + } else { + return 1; + } + } else { + return -1; + } + } else { + return -1; + } +} + +int PrinceEngine::checkUpDir() { + if (_checkY) { + if ((*(_checkBitmap - kPBW) & _checkMask)) { + if (!(*(_checkBitmapTemp - kPBW) & _checkMask)) { + _checkBitmap -= kPBW; + _checkBitmapTemp -= kPBW; + _checkY--; + return cpe(); + } else { + return 1; + } + } else { + return -1; + } + } else { + return -1; + } +} + +int PrinceEngine::checkRightDir() { + if (_checkX != (kMaxPicWidth / 2 - 1)) { + int tempMask = _checkMask; + if (tempMask != 1) { + tempMask >>= 1; + if ((*(_checkBitmap) & tempMask)) { + if (!(*(_checkBitmapTemp) & tempMask)) { + _checkMask = tempMask; + } else { + return 1; + } + } else { + return -1; + } + } else { + if ((*(_checkBitmap + 1) & 128)) { + if (!(*(_checkBitmapTemp + 1) & 128)) { + _checkBitmap++; + _checkBitmapTemp++; + _checkMask = 128; + } else { + return 1; + } + } else { + return -1; + } + } + _checkX++; + return cpe(); + } else { + return -1; + } +} + +int PrinceEngine::checkLeftUpDir() { + if (_checkX && _checkY) { + int tempMask = _checkMask; + if (tempMask != 128) { + tempMask <<= 1; + if ((*(_checkBitmap - kPBW) & tempMask)) { + if (!(*(_checkBitmapTemp - kPBW) & tempMask)) { + _checkBitmap -= kPBW; + _checkBitmapTemp -= kPBW; + _checkMask = tempMask; + } else { + return 1; + } + } else { + return -1; + } + } else { + if ((*(_checkBitmap - (kPBW + 1)) & 1)) { + if (!(*(_checkBitmapTemp - (kPBW + 1)) & 1)) { + _checkBitmap -= (kPBW + 1); + _checkBitmapTemp -= (kPBW + 1); + _checkMask = 1; + } else { + return 1; + } + } else { + return -1; + } + } + _checkX--; + _checkY--; + return cpe(); + } else { + return -1; + } +} + +int PrinceEngine::checkRightDownDir() { + if (_checkX != (kMaxPicWidth / 2 - 1) && _checkY != (kMaxPicHeight / 2 - 1)) { + int tempMask = _checkMask; + if (tempMask != 1) { + tempMask >>= 1; + if ((*(_checkBitmap + kPBW) & tempMask)) { + if (!(*(_checkBitmapTemp + kPBW) & tempMask)) { + _checkBitmap += kPBW; + _checkBitmapTemp += kPBW; + _checkMask = tempMask; + } else { + return 1; + } + } else { + return -1; + } + } else { + if ((*(_checkBitmap + kPBW + 1) & 128)) { + if (!(*(_checkBitmapTemp + kPBW + 1) & 128)) { + _checkBitmap += kPBW + 1; + _checkBitmapTemp += kPBW + 1; + _checkMask = 128; + } else { + return 1; + } + } else { + return -1; + } + } + _checkX++; + _checkY++; + return cpe(); + } else { + return -1; + } +} + +int PrinceEngine::checkRightUpDir() { + if (_checkX != (kMaxPicWidth / 2 - 1) && _checkY) { + int tempMask = _checkMask; + if (tempMask != 1) { + tempMask >>= 1; + if ((*(_checkBitmap - kPBW) & tempMask)) { + if (!(*(_checkBitmapTemp - kPBW) & tempMask)) { + _checkBitmap -= kPBW; + _checkBitmapTemp -= kPBW; + _checkMask = tempMask; + } else { + return 1; + } + } else { + return -1; + } + } else { + if ((*(_checkBitmap - kPBW + 1) & 128)) { + if (!(*(_checkBitmapTemp - kPBW + 1) & 128)) { + _checkBitmap -= (kPBW - 1); + _checkBitmapTemp -= (kPBW - 1); + _checkMask = 128; + } else { + return 1; + } + } else { + return -1; + } + } + _checkX++; + _checkY--; + return cpe(); + } else { + return -1; + } +} + +bool PrinceEngine::tracePath(int x1, int y1, int x2, int y2) { + for (int i = 0; i < kPathBitmapLen; i++) { + _roomPathBitmapTemp[i] = 0; + } + if (x1 != x2 || y1 != y2) { + if (getPixelAddr(_roomPathBitmap, x1, y1)) { + if (getPixelAddr(_roomPathBitmap, x2, y2)) { + _coords = _coordsBuf; + specialPlot(x1, y1); + + int x = x1; + int y = y1; + byte *bcad; + int btx, bty; + + while (1) { + btx = x; + bty = y; + bcad = _coords; + + _traceLineLen = 0; + _traceLineFirstPointFlag = true; + int drawLineFlag = drawLine(x, y, x2, y2, &this->plotTraceLine, this); + + if (!drawLineFlag) { + return true; + } else if (drawLineFlag == -1 && _traceLineLen >= 2) { + byte *tempCorrds = bcad; + while (tempCorrds != _coords) { + x = READ_LE_UINT16(tempCorrds); + y = READ_LE_UINT16(tempCorrds + 2); + tempCorrds += 4; + specialPlot2(x, y); + } + } else { + _coords = bcad; + x = btx; + y = bty; + } + + Direction dir = makeDirection(x, y, x2, y2); + + _rembBitmapTemp = &_roomPathBitmapTemp[x / 8 + y * 80]; + _rembBitmap = &_roomPathBitmap[x / 8 + y * 80]; + _rembMask = 128 >> (x & 7); + _rembX = x; + _rembY = y; + + _checkBitmapTemp = _rembBitmapTemp; + _checkBitmap = _rembBitmap; + _checkMask = _rembMask; + _checkX = _rembX; + _checkY = _rembY; + + int result; + switch (dir) { + case kDirLD: + result = leftDownDir(); + break; + case kDirL: + result = leftDir(); + break; + case kDirLU: + result = leftUpDir(); + break; + case kDirRD: + result = rightDownDir(); + break; + case kDirR: + result = rightDir(); + break; + case kDirRU: + result = rightUpDir(); + break; + case kDirUL: + result = upLeftDir(); + break; + case kDirU: + result = upDir(); + break; + case kDirUR: + result = upRightDir(); + break; + case kDirDL: + result = downLeftDir(); + break; + case kDirD: + result = downDir(); + break; + case kDirDR: + result = downRightDir(); + break; + default: + result = -1; + error("tracePath: wrong direction %d", dir); + break; + } + + if (result) { + byte *tempCoords = _coords; + tempCoords -= 4; + if (tempCoords > _coordsBuf) { + int tempX = READ_LE_UINT16(tempCoords); + int tempY = READ_LE_UINT16(tempCoords + 2); + if (_checkX == tempX && _checkY == tempY) { + _coords = tempCoords; + } + x = READ_LE_UINT16(tempCoords); + y = READ_LE_UINT16(tempCoords + 2); + } else { + return false; + } + } else { + x = _checkX; + y = _checkY; + } + } + return true; + } else { + error("tracePath: wrong destination point"); + } + } else { + error("tracePath: wrong start point"); + } + } else { + error("tracePath: same point"); + } +} + +void PrinceEngine::specialPlotInside2(int x, int y) { + WRITE_LE_UINT16(_coords2, x); + _coords2 += 2; + WRITE_LE_UINT16(_coords2, y); + _coords2 += 2; +} + +int PrinceEngine::plotTracePoint(int x, int y, void *data) { + PrinceEngine *tracePoint = (PrinceEngine *)data; + if (!tracePoint->_tracePointFirstPointFlag) { + if (tracePoint->getPixelAddr(tracePoint->_roomPathBitmap, x, y)) { + tracePoint->specialPlotInside2(x, y); + return 0; + } else { + return -1; + } + } else { + tracePoint->_tracePointFirstPointFlag = false; + return 0; + } +} + +void PrinceEngine::approxPath() { + byte *oldCoords; + _coords2 = _coordsBuf2; + byte *tempCoordsBuf = _coordsBuf; // first point on path + byte *tempCoords = _coords; + int x1, y1, x2, y2; + if (tempCoordsBuf != tempCoords) { + tempCoords -= 4; // last point on path + while (tempCoordsBuf != tempCoords) { + x1 = READ_LE_UINT16(tempCoords); + y1 = READ_LE_UINT16(tempCoords + 2); + x2 = READ_LE_UINT16(tempCoordsBuf); + y2 = READ_LE_UINT16(tempCoordsBuf + 2); + tempCoordsBuf += 4; + //TracePoint + oldCoords = _coords2; + if (_coords2 == _coordsBuf2) { + WRITE_LE_UINT16(_coords2, x1); + WRITE_LE_UINT16(_coords2 + 2, y1); + _coords2 += 4; + } else { + int testX = READ_LE_UINT16(_coords2 - 4); + int testY = READ_LE_UINT16(_coords2 - 2); + if (testX != x1 || testY != y1) { + WRITE_LE_UINT16(_coords2, x1); + WRITE_LE_UINT16(_coords2 + 2, y1); + _coords2 += 4; + } + } + _tracePointFirstPointFlag = true; + bool drawLineFlag = drawLine(x1, y1, x2, y2, &this->plotTracePoint, this); + if (!drawLineFlag) { + tempCoords = tempCoordsBuf - 4; + tempCoordsBuf = _coordsBuf; + } else { + _coords2 = oldCoords; + } + } + } +} + +void PrinceEngine::freeDirectionTable() { + if (_directionTable != nullptr) { + free(_directionTable); + _directionTable = nullptr; + } +} + +int PrinceEngine::scanDirectionsFindNext(byte *tempCoordsBuf, int xDiff, int yDiff) { + + int tempX, tempY, direction, dX, dY, againPointX1, againPointY1; + + tempX = Hero::kHeroDirLeft; + if (xDiff < 0) { + tempX = Hero::kHeroDirRight; + } + + tempY = Hero::kHeroDirUp; + if (yDiff < 0) { + tempY = Hero::kHeroDirDown; + } + + while (1) { + againPointX1 = READ_LE_UINT16(tempCoordsBuf); + againPointY1 = READ_LE_UINT16(tempCoordsBuf + 2); + tempCoordsBuf += 4; + + if (tempCoordsBuf == _coords) { + direction = tempX; + break; + } + + dX = againPointX1 - READ_LE_UINT16(tempCoordsBuf); + dY = againPointY1 - READ_LE_UINT16(tempCoordsBuf + 2); + + if (dX != xDiff) { + direction = tempY; + break; + } + + if (dY != yDiff) { + direction = tempX; + break; + } + } + return direction; +} + +void PrinceEngine::scanDirections() { + freeDirectionTable(); + byte *tempCoordsBuf = _coordsBuf; + if (tempCoordsBuf != _coords) { + int size = (_coords - tempCoordsBuf) / 4 + 1; // number of coord points plus one for end marker + _directionTable = (byte *)malloc(size); + byte *tempDirTab = _directionTable; + int direction = -1; + int lastDirection = -1; + int x1, y1, x2, y2, xDiff, yDiff; + + while (1) { + x1 = READ_LE_UINT16(tempCoordsBuf); + y1 = READ_LE_UINT16(tempCoordsBuf + 2); + tempCoordsBuf += 4; + if (tempCoordsBuf == _coords) { + break; + } + x2 = READ_LE_UINT16(tempCoordsBuf); + y2 = READ_LE_UINT16(tempCoordsBuf + 2); + + xDiff = x1 - x2; + yDiff = y1 - y2; + + if (xDiff) { + if (yDiff) { + if (lastDirection != -1) { + direction = lastDirection; + if (direction == Hero::kHeroDirLeft) { + if (xDiff < 0) { + direction = scanDirectionsFindNext(tempCoordsBuf, xDiff, yDiff); + } + } else if (direction == Hero::kHeroDirRight) { + if (xDiff >= 0) { + direction = scanDirectionsFindNext(tempCoordsBuf, xDiff, yDiff); + } + } else if (direction == Hero::kHeroDirUp) { + if (yDiff < 0) { + direction = scanDirectionsFindNext(tempCoordsBuf, xDiff, yDiff); + } + } else { + if (yDiff >= 0) { + direction = scanDirectionsFindNext(tempCoordsBuf, xDiff, yDiff); + } + } + } else { + direction = scanDirectionsFindNext(tempCoordsBuf, xDiff, yDiff); + } + } else { + direction = Hero::kHeroDirLeft; + if (xDiff < 0) { + direction = Hero::kHeroDirRight; + } + } + } else { + if (yDiff) { + direction = Hero::kHeroDirUp; + if (yDiff < 0) { + direction = Hero::kHeroDirDown; + } + } else { + direction = lastDirection; + } + } + lastDirection = direction; + *tempDirTab = direction; + tempDirTab++; + } + *tempDirTab = *(tempDirTab - 1); + tempDirTab++; + *tempDirTab = 0; + } +} + +void PrinceEngine::moveShandria() { + int shanLen1 = _shanLen; + if (_flags->getFlagValue(Flags::SHANDOG)) { + _secondHero->freeHeroAnim(); + _secondHero->freeOldMove(); + byte *shanCoords = _mainHero->_currCoords + shanLen1 * 4 - 4; + int shanX = READ_LE_UINT16(shanCoords - 4); + int shanY = READ_LE_UINT16(shanCoords - 2); + int xDiff = shanX - _secondHero->_middleX; + if (xDiff < 0) { + xDiff *= -1; + } + int yDiff = shanY - _secondHero->_middleY; + if (yDiff < 0) { + yDiff *= -1; + } + shanCoords -= 4; + if (shanCoords != _mainHero->_currCoords) { + yDiff *= 1.5; + int shanDis = xDiff * xDiff + yDiff * yDiff; + if (shanDis >= kMinDistance) { + while (1) { + shanCoords -= 4; + if (shanCoords == _mainHero->_currCoords) { + break; + } + int x = READ_LE_UINT16(shanCoords); + int y = READ_LE_UINT16(shanCoords + 2); + int pointDiffX = x - shanX; + if (pointDiffX < 0) { + pointDiffX *= -1; + } + int pointDiffY = y - shanY; + if (pointDiffY < 0) { + pointDiffY *= -1; + } + pointDiffY *= 1.5; + int distance = pointDiffX * pointDiffX + pointDiffY * pointDiffY; + if (distance >= kMinDistance) { + break; + } + } + int pathSizeDiff = (shanCoords - _mainHero->_currCoords) / 4; + int destDir = *(_mainHero->_currDirTab + pathSizeDiff); + _secondHero->_destDirection = destDir; + int destX = READ_LE_UINT16(shanCoords); + int destY = READ_LE_UINT16(shanCoords + 2); + _secondHero->_coords = makePath(kSecondHero, _secondHero->_middleX, _secondHero->_middleY, destX, destY); + if (_secondHero->_coords != nullptr) { + _secondHero->_currCoords = _secondHero->_coords; + int delay = shanLen1 - _shanLen; + if (delay < 6) { + delay = 6; + } + _secondHero->_moveDelay = delay / 2; + _secondHero->_state = Hero::kHeroStateDelayMove; + _secondHero->_dirTab = _directionTable; + _secondHero->_currDirTab = _directionTable; + _directionTable = nullptr; + } + } + } + } +} + +byte *PrinceEngine::makePath(int heroId, int currX, int currY, int destX, int destY) { + int realDestX = destX; + int realDestY = destY; + _flags->setFlagValue(Flags::MOVEDESTX, destX); + _flags->setFlagValue(Flags::MOVEDESTY, destY); + + int x1 = currX / 2; + int y1 = currY / 2; + int x2 = destX / 2; + int y2 = destY / 2; + + if ((x1 != x2) || (y1 != y2)) { + findPoint(x1, y1); + if (!getPixelAddr(_roomPathBitmap, _fpX, _fpY)) { + return nullptr; + } + if ((x1 != _fpX) || (y1 != _fpY)) { + x1 = _fpX; + y1 = _fpY; + } + findPoint(x2, y2); + if (!getPixelAddr(_roomPathBitmap, _fpX, _fpY)) { + return nullptr; + } + if ((x2 != _fpX) || (y2 != _fpY)) { + x2 = _fpX; + y2 = _fpY; + if (!_flags->getFlagValue(Flags::EXACTMOVE)) { + realDestX = x2 * 2; + realDestY = y2 * 2; + _flags->setFlagValue(Flags::MOVEDESTX, realDestX); + _flags->setFlagValue(Flags::MOVEDESTY, realDestY); + } else { + return nullptr; + } + } + + if ((x1 == x2) && (y1 == y2)) { + if (!heroId) { + _mainHero->freeOldMove(); + _mainHero->_state = Hero::kHeroStateTurn; + } else if (heroId == 1) { + _secondHero->freeOldMove(); + _secondHero->_state = Hero::kHeroStateTurn; + } + return nullptr; + } + + int pathLen1 = 0; + int pathLen2 = 0; + int stX = x1; + int stY = y1; + int sizeCoords2 = 0; + + if (tracePath(x1, y1, x2, y2)) { + allocCoords2(); + approxPath(); + sizeCoords2 = _coords2 - _coordsBuf2; + for (int i = 0; i < sizeCoords2; i++) { + _coordsBuf[i] = _coordsBuf2[i]; + } + _coords = _coordsBuf + sizeCoords2; + approxPath(); + _coordsBuf3 = _coordsBuf2; + _coordsBuf2 = nullptr; + _coords3 = _coords2; + _coords2 = nullptr; + pathLen1 = _coords3 - _coordsBuf3; + } + if (tracePath(x2, y2, x1, y1)) { + allocCoords2(); + approxPath(); + sizeCoords2 = _coords2 - _coordsBuf2; + for (int i = 0; i < sizeCoords2; i++) { + _coordsBuf[i] = _coordsBuf2[i]; + } + _coords = _coordsBuf + sizeCoords2; + approxPath(); + pathLen2 = _coords2 - _coordsBuf2; + } + + byte *chosenCoordsBuf = _coordsBuf2; + byte *choosenCoords = _coords2; + int choosenLength = pathLen1; + if (pathLen1 < pathLen2) { + chosenCoordsBuf = _coordsBuf3; + choosenCoords = _coords3; + choosenLength = pathLen2; + } + + if (choosenLength) { + if (chosenCoordsBuf != nullptr) { + int tempXBegin = READ_LE_UINT16(chosenCoordsBuf); + int tempYBegin = READ_LE_UINT16(chosenCoordsBuf + 2); + if (stX != tempXBegin || stY != tempYBegin) { + SWAP(chosenCoordsBuf, choosenCoords); + chosenCoordsBuf -= 4; + int cord; + byte *tempCoordsBuf = _coordsBuf; + while (1) { + cord = READ_LE_UINT32(chosenCoordsBuf); + WRITE_LE_UINT32(tempCoordsBuf, cord); + tempCoordsBuf += 4; + if (chosenCoordsBuf == choosenCoords) { + break; + } + chosenCoordsBuf -= 4; + } + _coords = tempCoordsBuf; + } else { + int sizeChoosen = choosenCoords - chosenCoordsBuf; + for (int i = 0; i < sizeChoosen; i++) { + _coordsBuf[i] = chosenCoordsBuf[i]; + } + _coords = _coordsBuf + sizeChoosen; + } + WRITE_LE_UINT32(_coords, 0xFFFFFFFF); + freeCoords2(); + freeCoords3(); + scanDirections(); + + byte *tempCoordsBuf = _coordsBuf; + byte *tempCoords = _coords; + byte *newCoords; + byte *newCoordsBegin; + int newValueX = 0; + int newValueY = 0; + if (tempCoordsBuf != tempCoords) { + int normCoordsSize = _coords - _coordsBuf + 4; + newCoords = (byte *)malloc(normCoordsSize); + newCoordsBegin = newCoords; + while (tempCoordsBuf != tempCoords) { + newValueX = READ_LE_UINT16(tempCoordsBuf); + WRITE_LE_UINT16(newCoords, newValueX * 2); + newCoords += 2; + newValueY = READ_LE_UINT16(tempCoordsBuf + 2); + WRITE_LE_UINT16(newCoords, newValueY * 2); + newCoords += 2; + tempCoordsBuf += 4; + } + WRITE_LE_UINT16(newCoords - 4, realDestX); + WRITE_LE_UINT16(newCoords - 2, realDestY); + WRITE_LE_UINT32(newCoords, 0xFFFFFFFF); + newCoords += 4; + _shanLen = (newCoords - newCoordsBegin); + _shanLen /= 4; + return newCoordsBegin; + } + } + } + _coords = _coordsBuf; + freeCoords2(); + freeCoords3(); + return nullptr; + } else { + if (!heroId) { + _mainHero->freeOldMove(); + _mainHero->_state = Hero::kHeroStateTurn; + } else if (heroId == 1) { + _secondHero->freeOldMove(); + _secondHero->_state = Hero::kHeroStateTurn; + } + return nullptr; + } +} + +void PrinceEngine::allocCoords2() { + if (_coordsBuf2 == nullptr) { + _coordsBuf2 = (byte *)malloc(kTracePts * 4); + _coords2 = _coordsBuf2; + } +} + +void PrinceEngine::freeCoords2() { + if (_coordsBuf2 != nullptr) { + free(_coordsBuf2); + _coordsBuf2 = nullptr; + _coords2 = nullptr; + } +} + +void PrinceEngine::freeCoords3() { + if (_coordsBuf3 != nullptr) { + free(_coordsBuf3); + _coordsBuf3 = nullptr; + _coords3 = nullptr; + } +} + +void PrinceEngine::openInventoryCheck() { + if (!_optionsFlag) { + if (_mouseFlag == 1 || _mouseFlag == 2) { + if (_mainHero->_visible) { + if (!_flags->getFlagValue(Flags::INVALLOWED)) { + // 29 - Basement, 50 - Map + if (_locationNr != 29 && _locationNr != 50) { + Common::Point mousePos = _system->getEventManager()->getMousePos(); + if (mousePos.y < 4 && !_showInventoryFlag) { + _invCounter++; + } else { + _invCounter = 0; + } + if (_invCounter >= _invMaxCount) { + inventoryFlagChange(true); + } + } + } + } + } + } +} + +void PrinceEngine::mainLoop() { + changeCursor(0); + _currentTime = _system->getMillis(); + + while (!shouldQuit()) { + Common::Event event; + Common::EventManager *eventMan = _system->getEventManager(); + while (eventMan->pollEvent(event)) { + switch (event.type) { + case Common::EVENT_KEYDOWN: + keyHandler(event); + break; + case Common::EVENT_LBUTTONDOWN: + leftMouseButton(); + break; + case Common::EVENT_RBUTTONDOWN: + rightMouseButton(); + break; + default: + break; + } + } + + if (shouldQuit()) { + return; + } + + // for "throw a rock" mini-game + mouseWeirdo(); + + _interpreter->stepBg(); + _interpreter->stepFg(); + + drawScreen(); + + _graph->update(_graph->_frontScreen); + + openInventoryCheck(); + + pause(); + } +} + +} // End of namespace Prince |