/* 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 "voyeur/files.h" #include "voyeur/screen.h" #include "voyeur/voyeur.h" #include "voyeur/staticres.h" namespace Voyeur { #define BOLT_GROUP_SIZE 16 BoltFilesState::BoltFilesState(VoyeurEngine *vm) : _vm(vm) { _curLibPtr = NULL; _curGroupPtr = NULL; _curMemberPtr = NULL; _bufferEnd = 0; _bufferBegin = 0; _bytesLeft = 0; _bufSize = 0; _bufStart = NULL; _bufPos = NULL; _historyIndex = 0; _runLength = 0; _decompState = false; _runType = 0; _runValue = 0; _runOffset = 0; Common::fill(&_historyBuffer[0], &_historyBuffer[0x200], 0); _curFd = NULL; _boltPageFrame = NULL; } #define NEXT_BYTE if (--_bytesLeft < 0) nextBlock() byte *BoltFilesState::decompress(byte *buf, int size, int mode) { if (!buf) { buf = new byte[size]; Common::fill(buf, buf + size, 0); } byte *bufP = buf; if (mode & 8) { _decompState = true; _runType = 0; _runLength = size; } while (size > 0) { if (!_decompState) { NEXT_BYTE; byte nextByte = *_bufPos++; switch (nextByte & 0xC0) { case 0: _runType = 0; _runLength = 30 - (nextByte & 0x1f) + 1; break; case 0x40: _runType = 1; _runLength = 35 - (nextByte & 0x1f); NEXT_BYTE; _runOffset = *_bufPos++ + ((nextByte & 0x20) << 3); break; case 0x80: _runType = 1; _runLength = (nextByte & 0x20) ? ((32 - (nextByte & 0x1f)) << 2) + 2 : (32 - (nextByte & 0x1f)) << 2; NEXT_BYTE; _runOffset = *_bufPos++ << 1; break; default: _runType = 2; if (nextByte & 0x20) { _runLength = 0; } else { NEXT_BYTE; _runLength = ((32 - (nextByte & 0x1f)) + (*_bufPos++ << 5)) << 2; NEXT_BYTE; _bufPos++; NEXT_BYTE; _runValue = *_bufPos++; } break; } _runOffset = _historyIndex - _runOffset; } int runOffset = _runOffset & 0x1ff; int len; if (_runLength <= size) { len = _runLength; _decompState = false; } else { _decompState = true; len = size; _runLength -= size; if (_runType == 1) _runOffset += len; } // Reduce the remaining size size -= len; // Handle the run lengths switch (_runType) { case 0: while (len-- > 0) { NEXT_BYTE; byte v = *_bufPos++; _historyBuffer[_historyIndex] = v; *bufP++ = v; _historyIndex = (_historyIndex + 1) & 0x1ff; } break; case 1: while (len-- > 0) { _historyBuffer[_historyIndex] = _historyBuffer[runOffset]; *bufP++ = _historyBuffer[runOffset]; _historyIndex = (_historyIndex + 1) & 0x1ff; runOffset = (runOffset + 1) & 0x1ff; } break; default: while (len-- > 0) { _historyBuffer[_historyIndex] = _runValue; *bufP++ = _runValue; _historyIndex = (_historyIndex + 1) & 0x1ff; } break; } } return buf; } #undef NEXT_BYTE void BoltFilesState::nextBlock() { if (&_curLibPtr->_file != _curFd || _curFd->pos() != _bufferEnd) _curLibPtr->_file.seek(_bufferEnd); _curFd = &_curLibPtr->_file; _bufferBegin = _bufferEnd; int bytesRead = _curFd->read(_bufStart, _bufSize); _bufferEnd = _curFd->pos(); _bytesLeft = bytesRead - 1; _bufPos = _bufStart; } /*------------------------------------------------------------------------*/ FilesManager::FilesManager(VoyeurEngine *vm) { _curLibPtr = nullptr; _boltFilesState = new BoltFilesState(vm); } FilesManager::~FilesManager() { delete _boltFilesState; } bool FilesManager::openBoltLib(const Common::String &filename, BoltFile *&boltFile) { if (boltFile != NULL) { _boltFilesState->_curLibPtr = boltFile; return true; } // Create the bolt file interface object and load the index if (filename == "bvoy.blt") boltFile = _boltFilesState->_curLibPtr = new BVoyBoltFile(*_boltFilesState); else if (filename == "stampblt.blt") boltFile = _boltFilesState->_curLibPtr = new StampBoltFile(*_boltFilesState); else error("Unknown bolt file specified"); return true; } byte *FilesManager::fload(const Common::String &filename, int *size) { Common::File f; int filesize; byte *data = NULL; if (f.open(filename)) { // Read in the file filesize = f.size(); data = new byte[filesize]; f.read(data, filesize); } else { filesize = 0; } if (size) *size = filesize; return data; } /*------------------------------------------------------------------------*/ BoltFile::BoltFile(const Common::String &filename, BoltFilesState &state): _state(state) { if (!_file.open(filename)) error("Could not open %s", filename.c_str()); // Read in the file header byte header[16]; _file.read(&header[0], 16); if (strncmp((const char *)&header[0], "BOLT", 4) != 0) error("Tried to load non-bolt file"); int totalGroups = header[11] ? header[11] : 0x100; for (int i = 0; i < totalGroups; ++i) _groups.push_back(BoltGroup(&_file)); } BoltFile::~BoltFile() { _file.close(); if (_state._curFd == &_file) _state._curFd = NULL; if (_state._curLibPtr == this) _state._curLibPtr = NULL; } BoltGroup *BoltFile::getBoltGroup(uint16 id) { _state._curLibPtr = this; _state._curGroupPtr = &_groups[(id >> 8) & 0xff]; if (!_state._curGroupPtr->_loaded) { // Load the group index _state._curGroupPtr->load(id & 0xff00); } // Pre-process the resources id &= 0xff00; for (int idx = 0; idx < _state._curGroupPtr->_count; ++idx, ++id) { byte *member = getBoltMember(id); assert(member); } resolveAll(); return _state._curGroupPtr; } void BoltFile::freeBoltGroup(uint16 id) { _state._curLibPtr = this; _state._curGroupPtr = &_groups[(id >> 8) & 0xff]; // Unload the group _state._curGroupPtr->unload(); } void BoltFile::freeBoltMember(uint32 id) { // No implementation in ScummVM } BoltEntry &BoltFile::getBoltEntryFromLong(uint32 id) { BoltGroup &group = _groups[id >> 24]; assert(group._loaded); BoltEntry &entry = group._entries[(id >> 16) & 0xff]; assert(!entry.hasResource() || (id & 0xffff) == 0); return entry; } BoltEntry &BoltFile::boltEntry(uint16 id) { BoltGroup &group = _groups[id >> 8]; assert(group._loaded); BoltEntry &entry = group._entries[id & 0xff]; assert(entry.hasResource()); return entry; } PictureResource *BoltFile::getPictureResource(uint32 id) { if ((int32)id == -1) return NULL; if (id & 0xffff) id <<= 16; return getBoltEntryFromLong(id)._picResource; } CMapResource *BoltFile::getCMapResource(uint32 id) { if ((int32)id == -1) return NULL; if (id & 0xffff) id <<= 16; return getBoltEntryFromLong(id)._cMapResource; } byte *BoltFile::memberAddr(uint32 id) { BoltGroup &group = _groups[id >> 8]; if (!group._loaded) return NULL; // If an entry already has a processed representation, we shouldn't // still be accessing the raw data BoltEntry &entry = group._entries[id & 0xff]; assert(!entry.hasResource()); return entry._data; } byte *BoltFile::memberAddrOffset(uint32 id) { BoltGroup &group = _groups[id >> 24]; if (!group._loaded) return NULL; // If an entry already has a processed representation, we shouldn't // still be accessing the raw data BoltEntry &entry = group._entries[(id >> 16) & 0xff]; assert(!entry.hasResource()); return entry._data + (id & 0xffff); } /** * Resolves an Id to an offset within a loaded resource */ void BoltFile::resolveIt(uint32 id, byte **p) { if ((int32)id == -1) { *p = NULL; } else { byte *ptr = memberAddrOffset(id); if (ptr) { *p = ptr; } else { *p = NULL; assert(_state._resolves.size() < 1000); _state._resolves.push_back(ResolveEntry(id, p)); } } } void BoltFile::resolveFunction(uint32 id, ScreenMethodPtr *fn) { if ((int32)id == -1) *fn = NULL; else error("Function fnTermGro array not supported"); } /** * Resolve any data references to within resources that weren't * previously loaded, but are now */ void BoltFile::resolveAll() { for (uint idx = 0; idx < _state._resolves.size(); ++idx) *_state._resolves[idx]._p = memberAddrOffset(_state._resolves[idx]._id); _state._resolves.clear(); } byte *BoltFile::getBoltMember(uint32 id) { _state._curLibPtr = this; // Get the group, and load it's entry list if not already loaded _state._curGroupPtr = &_groups[(id >> 8) & 0xff]; if (!_state._curGroupPtr->_loaded) _state._curGroupPtr->load(id & 0xff00); // Get the entry _state._curMemberPtr = &_state._curGroupPtr->_entries[id & 0xff]; // Return the data for the entry if it's already been loaded if (_state._curMemberPtr->_data) return _state._curMemberPtr->_data; if (_state._curGroupPtr->_processed) { error("Processed resources are not supported"); } else { _state._bufStart = _state._decompressBuf; _state._bufSize = DECOMPRESS_SIZE; if ((_state._curFd != &_file) || (_state._curMemberPtr->_fileOffset < _state._bufferBegin) || (_state._curMemberPtr->_fileOffset >= _state._bufferEnd)) { _state._bytesLeft = 0; _state._bufPos = _state._bufStart; _state._bufferBegin = -1; _state._bufferEnd = _state._curMemberPtr->_fileOffset; } else { _state._bufPos = _state._curMemberPtr->_fileOffset - _state._bufferBegin + _state._bufStart; _state._bytesLeft = _state._bufSize - (_state._bufPos - _state._bufStart); } } _state._decompState = false; _state._historyIndex = 0; // Initialize the resource assert(_state._curMemberPtr->_initMethod < 25); initResource(_state._curMemberPtr->_initMethod); return _state._curMemberPtr->_data; } void BoltFile::initDefault() { _state._curMemberPtr->_data = _state.decompress(NULL, _state._curMemberPtr->_size, _state._curMemberPtr->_mode); } /*------------------------------------------------------------------------*/ BVoyBoltFile::BVoyBoltFile(BoltFilesState &state): BoltFile("bvoy.blt", state) { } void BVoyBoltFile::initResource(int resType) { switch (resType) { case 2: // Also used for point list, and ending credits credit data sInitRect(); break; case 8: sInitPic(); break; case 10: vInitCMap(); break; case 11: vInitCycl(); break; case 15: initViewPort(); break; case 16: initViewPortList(); break; case 17: initFont(); break; case 18: initFontInfo(); break; case 19: initSoundMap(); break; default: initDefault(); break; } } void BVoyBoltFile::initViewPort() { initDefault(); ViewPortResource *viewPort; byte *src = _state._curMemberPtr->_data; _state._curMemberPtr->_viewPortResource = viewPort = new ViewPortResource(_state, src); // This is done post-constructor, since viewports can be self referential, so // we need the _viewPortResource field to have been set before resolving the pointer viewPort->_parent = getBoltEntryFromLong(READ_LE_UINT32(src + 2))._viewPortResource; } void BVoyBoltFile::initViewPortList() { initDefault(); ViewPortListResource *res; _state._curMemberPtr->_viewPortListResource = res = new ViewPortListResource( _state, _state._curMemberPtr->_data); _state._vm->_screen->_viewPortListPtr = res; _state._vm->_screen->_vPort = res->_entries[0]; } void BVoyBoltFile::initFontInfo() { initDefault(); _state._curMemberPtr->_fontInfoResource = new FontInfoResource( _state, _state._curMemberPtr->_data); } void BVoyBoltFile::initFont() { initDefault(); _state._curMemberPtr->_fontResource = new FontResource(_state, _state._curMemberPtr->_data); } void BVoyBoltFile::initSoundMap() { initDefault(); } void BVoyBoltFile::sInitRect() { _state._curMemberPtr->_data = _state.decompress(NULL, _state._curMemberPtr->_size, _state._curMemberPtr->_mode); // Check whether the resource Id is in the list of extended rects bool isExtendedRects = false; for (int i = 0; i < 49 && !isExtendedRects; ++i) isExtendedRects = RESOLVE_TABLE[i] == (_state._curMemberPtr->_id & 0xff00); int rectSize = isExtendedRects ? 12 : 8; if ((_state._curMemberPtr->_size % rectSize) == 0 || (_state._curMemberPtr->_size % rectSize) == 2) _state._curMemberPtr->_rectResource = new RectResource(_state._curMemberPtr->_data, _state._curMemberPtr->_size, isExtendedRects); } void BVoyBoltFile::sInitPic() { // Read in the header data _state._curMemberPtr->_data = _state.decompress(NULL, 24, _state._curMemberPtr->_mode); _state._curMemberPtr->_picResource = new PictureResource(_state, _state._curMemberPtr->_data); } void BVoyBoltFile::vInitCMap() { initDefault(); _state._curMemberPtr->_cMapResource = new CMapResource( _state, _state._curMemberPtr->_data); } void BVoyBoltFile::vInitCycl() { initDefault(); _state._curMemberPtr->_vInitCycleResource = new VInitCycleResource( _state, _state._curMemberPtr->_data); _state._curMemberPtr->_vInitCycleResource->vStopCycle(); } /*------------------------------------------------------------------------*/ StampBoltFile::StampBoltFile(BoltFilesState &state): BoltFile("stampblt.blt", state) { } void StampBoltFile::initResource(int resType) { switch (resType) { case 0: initThread(); break; case 4: initState(); break; case 6: initPtr(); break; case 24: initControl(); break; default: initDefault(); break; } } void StampBoltFile::initThread() { initDefault(); _state._curMemberPtr->_threadResource = new ThreadResource(_state, _state._curMemberPtr->_data); } void StampBoltFile::initPtr() { initDefault(); _state._curMemberPtr->_ptrResource = new PtrResource(_state, _state._curMemberPtr->_data); } void initControlData(); void StampBoltFile::initControl() { initDefault(); ControlResource *res; _state._curMemberPtr->_controlResource = res = new ControlResource(_state, _state._curMemberPtr->_data); _state._vm->_controlGroupPtr = _state._curGroupPtr; _state._vm->_controlPtr = res; } void StampBoltFile::initState() { initDefault(); assert(_state._curMemberPtr->_size == 16); _state._curMemberPtr->_stateResource = new StateResource(_state, _state._curMemberPtr->_data); } /*------------------------------------------------------------------------*/ BoltGroup::BoltGroup(Common::SeekableReadStream *f): _file(f) { byte buffer[BOLT_GROUP_SIZE]; _loaded = false; _file->read(&buffer[0], BOLT_GROUP_SIZE); _processed = buffer[0] != 0; _count = buffer[3] ? buffer[3] : 256; _fileOffset = READ_LE_UINT32(&buffer[8]); } BoltGroup::~BoltGroup() { } void BoltGroup::load(uint16 groupId) { _file->seek(_fileOffset); // Read the entries for (int i = 0; i < _count; ++i) _entries.push_back(BoltEntry(_file, groupId + i)); _loaded = true; } void BoltGroup::unload() { if (!_loaded) return; _entries.clear(); _loaded = false; } /*------------------------------------------------------------------------*/ BoltEntry::BoltEntry(Common::SeekableReadStream *f, uint16 id): _file(f), _id(id) { _data = nullptr; _rectResource = nullptr; _picResource = nullptr; _viewPortResource = nullptr; _viewPortListResource = nullptr; _fontResource = nullptr; _fontInfoResource = nullptr; _cMapResource = nullptr; _vInitCycleResource = nullptr; _ptrResource = nullptr; _stateResource = nullptr; _controlResource = nullptr; _vInitCycleResource = nullptr; _threadResource = nullptr; byte buffer[16]; _file->read(&buffer[0], 16); _mode = buffer[0]; _initMethod = buffer[3]; _size = READ_LE_UINT32(&buffer[4]) & 0xffffff; _fileOffset = READ_LE_UINT32(&buffer[8]); } BoltEntry::~BoltEntry() { delete[] _data; delete _rectResource; delete _picResource; delete _viewPortResource; delete _viewPortListResource; delete _fontResource; delete _fontInfoResource; delete _cMapResource; delete _ptrResource; delete _controlResource; delete _stateResource; delete _vInitCycleResource; delete _threadResource; } void BoltEntry::load() { // Currently, all entry loading and decompression is done in BoltFile::memberAddr. } /** * Returns true if the given bolt entry has an attached resource */ bool BoltEntry::hasResource() const { return _rectResource || _picResource || _viewPortResource || _viewPortListResource || _fontResource || _fontInfoResource || _cMapResource || _vInitCycleResource || _ptrResource || _controlResource || _stateResource || _threadResource; } /*------------------------------------------------------------------------*/ RectEntry::RectEntry(int x1, int y1, int x2, int y2, int arrIndex, int count): Common::Rect(x1, y1, x2, y2), _arrIndex(arrIndex), _count(count) { } /*------------------------------------------------------------------------*/ RectResource::RectResource(const byte *src, int size, bool isExtendedRects) { int count; int rectSize = isExtendedRects ? 12 : 8; if ((size % rectSize) == 2) { count = READ_LE_UINT16(src); src += 2; } else { count = size / rectSize; } for (int i = 0; i < count; ++i, src += 8) { int arrIndex = 0, rectCount = 0; if (isExtendedRects) { arrIndex = READ_LE_UINT16(src); rectCount = READ_LE_UINT16(src + 2); src += 4; } int x1 = READ_LE_UINT16(src); int y1 = READ_LE_UINT16(src + 2); int x2 = READ_LE_UINT16(src + 4); int y2 = READ_LE_UINT16(src + 6); _entries.push_back(RectEntry(x1, y1, x2, y2, arrIndex, rectCount)); } left = _entries[0].left; top = _entries[0].top; right = _entries[0].right; bottom = _entries[0].bottom; } RectResource::RectResource(int x1, int y1, int x2, int y2) { left = x1; top = y1; right = x2; bottom = y2; } /*------------------------------------------------------------------------*/ DisplayResource::DisplayResource() { _vm = NULL; _flags = DISPFLAG_NONE; } DisplayResource::DisplayResource(VoyeurEngine *vm) { _vm = vm; _flags = DISPFLAG_NONE; } void DisplayResource::sFillBox(int width, int height) { assert(_vm); bool saveBack = _vm->_screen->_saveBack; _vm->_screen->_saveBack = false; PictureResource pr; pr._flags = DISPFLAG_1; pr._select = 0xff; pr._pick = 0; pr._onOff = _vm->_screen->_drawPtr->_penColor; pr._bounds = Common::Rect(0, 0, width, height); _vm->_screen->sDrawPic(&pr, this, _vm->_screen->_drawPtr->_pos); _vm->_screen->_saveBack = saveBack; } bool DisplayResource::clipRect(Common::Rect &rect) { Common::Rect clippingRect; if (_vm->_screen->_clipPtr) { clippingRect = *_vm->_screen->_clipPtr; } else if (_flags & DISPFLAG_VIEWPORT) { clippingRect = ((ViewPortResource *)this)->_clipRect; } else { clippingRect = ((PictureResource *)this)->_bounds; } Common::Rect r = rect; if (r.left < clippingRect.left) { if (r.right <= clippingRect.left) return false; r.setWidth(r.right - clippingRect.left); } if (r.right >= clippingRect.right) { if (r.left >= clippingRect.left) return false; r.setWidth(clippingRect.right - r.left); } if (r.top < clippingRect.top) { if (r.bottom <= clippingRect.top) return false; r.setHeight(r.bottom - clippingRect.top); } if (r.bottom >= clippingRect.bottom) { if (r.top >= clippingRect.top) return false; r.setWidth(clippingRect.bottom - r.top); } rect = r; return true; } int DisplayResource::drawText(const Common::String &msg) { Screen &screen = *_vm->_screen; assert(screen._fontPtr); assert(screen._fontPtr->_curFont); FontInfoResource &fontInfo = *screen._fontPtr; PictureResource &fontChar = *_vm->_screen->_fontChar; FontResource &fontData = *fontInfo._curFont; int xShadows[9] = { 0, 1, 1, 1, 0, -1, -1, -1, 0 }; int yShadows[9] = { 0, 1, 0, -1, -1, -1, 0, 1, 1 }; Common::Rect *clipPtr = screen._clipPtr; if (!(fontInfo._picFlags & DISPFLAG_1)) screen._clipPtr = NULL; int minChar = fontData._minChar; int padding = fontData._padding; int fontHeight = fontData._fontHeight; int totalChars = fontData._maxChar - fontData._minChar; int msgWidth = 0; int xp = 0, yp = 0; Common::Point pos = Common::Point(fontInfo._pos.x, fontInfo._pos.y + fontData._topPadding); fontChar._flags = fontInfo._picFlags | DISPFLAG_2; fontChar._select = fontInfo._picSelect; fontChar._bounds.setHeight(fontHeight); ViewPortResource *viewPort = !(_flags & DISPFLAG_VIEWPORT) ? NULL : (ViewPortResource *)this; if ((fontInfo._fontFlags & DISPFLAG_1) || fontInfo._justify || (screen._saveBack && fontInfo._fontSaveBack && (_flags & DISPFLAG_VIEWPORT))) { msgWidth = viewPort->textWidth(msg); yp = pos.y; xp = pos.x; switch (fontInfo._justify) { case 1: xp = pos.x + (fontInfo._justifyWidth / 2) - (msgWidth / 2); break; case 2: xp = pos.x + fontInfo._justifyWidth - msgWidth; break; default: break; } if (!(fontInfo._fontFlags & (DISPFLAG_1 | DISPFLAG_2))) { viewPort->_fontRect.left = xp; viewPort->_fontRect.top = yp; viewPort->_fontRect.setWidth(msgWidth); viewPort->_fontRect.setHeight(fontHeight); } else { viewPort->_fontRect.left = pos.x; viewPort->_fontRect.top = pos.y; viewPort->_fontRect.setWidth(fontInfo._justifyWidth); viewPort->_fontRect.setHeight(fontInfo._justifyHeight); } pos.x = xp; pos.y = yp; if (fontInfo._fontFlags & DISPFLAG_4) { if (fontInfo._shadow.x <= 0) { viewPort->_fontRect.left += fontInfo._shadow.x; viewPort->_fontRect.right -= fontInfo._shadow.x * 2; } else { viewPort->_fontRect.right += fontInfo._shadow.x; } if (fontInfo._shadow.y <= 0) { viewPort->_fontRect.top += fontInfo._shadow.y; viewPort->_fontRect.bottom -= fontInfo._shadow.y * 2; } else { viewPort->_fontRect.bottom += fontInfo._shadow.y; } } else if (fontInfo._fontFlags & 8) { if (fontInfo._shadow.x <= 0) { viewPort->_fontRect.left += fontInfo._shadow.x; viewPort->_fontRect.right -= fontInfo._shadow.x * 3; } else { viewPort->_fontRect.right += fontInfo._shadow.x * 3; viewPort->_fontRect.left -= fontInfo._shadow.x; } if (fontInfo._shadow.y <= 0) { viewPort->_fontRect.top += fontInfo._shadow.y; viewPort->_fontRect.bottom -= fontInfo._shadow.y * 3; } else { viewPort->_fontRect.bottom += fontInfo._shadow.y * 3; viewPort->_fontRect.top -= fontInfo._shadow.y; } } } if (screen._saveBack && fontInfo._fontSaveBack && (_flags & DISPFLAG_VIEWPORT)) { viewPort->addSaveRect(viewPort->_pageIndex, viewPort->_fontRect); } if (fontInfo._fontFlags & DISPFLAG_1) { screen._drawPtr->_pos = Common::Point(viewPort->_fontRect.left, viewPort->_fontRect.top); screen._drawPtr->_penColor = fontInfo._backColor; sFillBox(viewPort->_fontRect.width(), viewPort->_fontRect.height()); } bool saveBack = screen._saveBack; screen._saveBack = false; int count = 0; if (fontInfo._fontFlags & DISPFLAG_4) count = 1; else if (fontInfo._fontFlags & DISPFLAG_8) count = 8; for (int i = count; i >= 0; --i) { xp = pos.x; yp = pos.y; switch (xShadows[i]) { case -1: xp -= fontInfo._shadow.x; break; case 1: xp += fontInfo._shadow.x; break; default: break; } switch (yShadows[i]) { case -1: yp -= fontInfo._shadow.y; break; case 1: yp += fontInfo._shadow.y; break; default: break; } if (i != 0) { fontChar._pick = 0; fontChar._onOff = fontInfo._shadowColor; } else if (fontData._fontDepth == 1 || (fontInfo._fontFlags & DISPFLAG_10)) { fontChar._pick = 0; fontChar._onOff = fontInfo._foreColor; } else { fontChar._pick = fontInfo._picPick; fontChar._onOff = fontInfo._picOnOff; } // Loop to draw each character in turn msgWidth = -padding; const char *msgP = msg.c_str(); char ch; while ((ch = *msgP++) != '\0') { int charValue = (int)ch - minChar; if (charValue < 0 || charValue >= totalChars || fontData._charWidth[charValue] == 0) charValue = fontData._maxChar - minChar; int charWidth = fontData._charWidth[charValue]; fontChar._bounds.setWidth(charWidth); uint16 offset = READ_LE_UINT16(fontData._charOffsets + charValue * 2); fontChar._imgData = fontData._charImages + offset * 2; screen.sDrawPic(&fontChar, this, Common::Point(xp, yp)); fontChar._imgData = NULL; xp += charWidth + padding; msgWidth += charWidth + padding; } } msgWidth = MAX(msgWidth, 0); if (fontInfo._justify == ALIGN_LEFT) fontInfo._pos.x = xp; screen._saveBack = saveBack; screen._clipPtr = clipPtr; return msgWidth; } int DisplayResource::textWidth(const Common::String &msg) { if (msg.size() == 0) return 0; const char *msgP = msg.c_str(); FontResource &fontData = *_vm->_screen->_fontPtr->_curFont; int minChar = fontData._minChar; int maxChar = fontData._maxChar; int padding = fontData._padding; int totalWidth = -padding; char ch; // Loop through the characters while ((ch = *msgP++) != '\0') { int charValue = (int)ch; if (charValue < minChar || charValue > maxChar) charValue = maxChar; if (!fontData._charWidth[charValue - minChar]) charValue = maxChar; totalWidth += fontData._charWidth[charValue - minChar] + padding; } if (totalWidth < 0) totalWidth = 0; return totalWidth; } /*------------------------------------------------------------------------*/ PictureResource::PictureResource(BoltFilesState &state, const byte *src): DisplayResource(state._vm) { _flags = READ_LE_UINT16(src); _select = src[2]; _pick = src[3]; _onOff = src[4]; // depth is in src[5], unused. int xs = READ_LE_UINT16(&src[6]); int ys = READ_LE_UINT16(&src[8]); _bounds = Common::Rect(xs, ys, xs + READ_LE_UINT16(&src[10]), ys + READ_LE_UINT16(&src[12])); _maskData = READ_LE_UINT32(&src[14]); _planeSize = READ_LE_UINT16(&src[22]); _keyColor = 0; _imgData = NULL; _freeImgData = DisposeAfterUse::YES; int nbytes = _bounds.width() * _bounds.height(); if (_flags & PICFLAG_20) { if (_flags & (PICFLAG_VFLIP | PICFLAG_HFLIP)) { // Get the raw data for the picture from another resource uint32 id = READ_LE_UINT32(&src[18]); const byte *srcData = state._curLibPtr->boltEntry(id)._data; _imgData = new byte[nbytes]; // Flip the image data either horizontally or vertically if (_flags & PICFLAG_HFLIP) flipHorizontal(srcData); else flipVertical(srcData); } else { uint32 id = READ_LE_UINT32(&src[18]) >> 16; byte *imgData = state._curLibPtr->boltEntry(id)._picResource->_imgData; _freeImgData = DisposeAfterUse::NO; #if 0 // TODO: Double check code below. Despite different coding in the // original, both looked like they do the same formula. // Until it's clarified, this check is disabled and replaced by the // common code. if (_flags & PICFLAG_PIC_OFFSET) { _imgData = imgData + (READ_LE_UINT32(&src[18]) & 0xffff); } else { _imgData = imgData + (READ_LE_UINT32(&src[18]) & 0xffff); } #endif _imgData = imgData + (READ_LE_UINT32(&src[18]) & 0xffff); } } else if (_flags & PICFLAG_PIC_OFFSET) { int mode = 0; if (_bounds.width() == 320) mode = 147; else { if (_bounds.width() == 640) { if (_bounds.height() == 400) mode = 220; else mode = 221; } else if (_bounds.width() == 800) mode = 222; else if (_bounds.width() == 1024) mode = 226; } if (mode != state._vm->_screen->_SVGAMode) { state._vm->_screen->_SVGAMode = mode; state._vm->_screen->clearPalette(); } int screenOffset = READ_LE_UINT32(&src[18]) & 0xffff; assert(screenOffset == 0); if (_flags & PICFLAG_CLEAR_SCREEN) { // Clear screen picture. That's right. This game actually has a picture // resource flag to clear the screen! Bizarre. state._vm->_screen->clear(); } else { // Direct screen loading picture. In this case, the raw data of the resource // is directly decompressed into the screen surface. Again, bizarre. Screen &screen = *state._vm->_screen; byte *pDest = (byte *)screen.getPixels(); state.decompress(pDest, SCREEN_WIDTH * SCREEN_HEIGHT, state._curMemberPtr->_mode); screen.markAllDirty(); } } else { if (_flags & PICFLAG_CLEAR_SCREEN00) { if (!(_flags & PICFLAG_CLEAR_SCREEN)) nbytes = state._curMemberPtr->_size - 24; int mask = (nbytes + 0x3FFF) >> 14; _imgData = NULL; if (state._boltPageFrame != NULL) { _maskData = mask; state.decompress(state._boltPageFrame, nbytes, state._curMemberPtr->_mode); return; } } if (_flags & PICFLAG_CLEAR_SCREEN) { _imgData = new byte[nbytes]; Common::fill(_imgData, _imgData + nbytes, 0); } else { _imgData = state.decompress(NULL, nbytes, state._curMemberPtr->_mode); } } } PictureResource::PictureResource(Graphics::Surface *surface) { _flags = DISPFLAG_NONE; _select = 0; _pick = 0; _onOff = 0; _maskData = 0; _planeSize = 0; _keyColor = 0; _bounds = Common::Rect(0, 0, surface->w, surface->h); _imgData = (byte *)surface->getPixels(); _freeImgData = DisposeAfterUse::NO; } PictureResource::PictureResource() { _flags = DISPFLAG_NONE; _select = 0; _pick = 0; _onOff = 0; _maskData = 0; _planeSize = 0; _keyColor = 0; _imgData = NULL; _freeImgData = DisposeAfterUse::NO; } PictureResource::PictureResource(int flags, int select, int pick, int onOff, const Common::Rect &bounds, int maskData, byte *imgData, int planeSize) { _flags = flags; _select = select; _pick = pick; _onOff = onOff; _bounds = bounds; _maskData = maskData; _imgData = imgData; _planeSize = planeSize; _freeImgData = DisposeAfterUse::NO; _keyColor = 0; } PictureResource::~PictureResource() { if (_freeImgData == DisposeAfterUse::YES) delete[] _imgData; } void PictureResource::flipHorizontal(const byte *data) { const byte *srcP = data + 18; byte *destP = _imgData + _bounds.width() - 1; for (int y = 0; y < _bounds.height(); ++y) { for (int x = 0; x < _bounds.width(); ++x, ++srcP, --destP) *destP = *srcP; srcP += _bounds.width(); destP += _bounds.width(); } } void PictureResource::flipVertical(const byte *data) { const byte *srcP = data + 18; byte *destP = _imgData + _bounds.width() * (_bounds.height() - 1); for (int y = 0; y < _bounds.height(); ++y) { Common::copy(srcP, srcP + _bounds.width(), destP); srcP += _bounds.width(); destP -= _bounds.width(); } } /*------------------------------------------------------------------------*/ ViewPortResource::ViewPortResource(BoltFilesState &state, const byte *src): _state(state), DisplayResource(state._vm) { _flags = READ_LE_UINT16(src); _parent = NULL; _pageCount = READ_LE_UINT16(src + 6); _pageIndex = READ_LE_UINT16(src + 8); _lastPage = READ_LE_UINT16(src + 10); int xs = READ_LE_UINT16(src + 12); int ys = READ_LE_UINT16(src + 14); _bounds = Common::Rect(xs, ys, xs + READ_LE_UINT16(src + 16), ys + READ_LE_UINT16(src + 18)); _currentPic = state._curLibPtr->getPictureResource(READ_LE_UINT32(src + 0x20)); _activePage = state._curLibPtr->getPictureResource(READ_LE_UINT32(src + 0x24)); _pages[0] = state._curLibPtr->getPictureResource(READ_LE_UINT32(src + 0x28)); _pages[1] = state._curLibPtr->getPictureResource(READ_LE_UINT32(src + 0x2C)); byte *dummy; state._curLibPtr->resolveIt(READ_LE_UINT32(src + 0x30), &dummy); // Get the rect list for (int listIndex = 0; listIndex < 3; ++listIndex) { _rectListCount[listIndex] = (int16)READ_LE_UINT16(src + 0x40 + 2 * listIndex); int id = (int)READ_LE_UINT32(src + 0x34 + listIndex * 4); if (id == -1) { _rectListPtr[listIndex] = NULL; } else { _rectListPtr[listIndex] = new Common::Array(); if (_rectListCount[listIndex] > 0) { int16 *rectList = (int16 *)state._curLibPtr->memberAddrOffset(id); for (int i = 0; i < _rectListCount[listIndex]; ++i) { xs = FROM_LE_16(rectList[0]); ys = FROM_LE_16(rectList[1]); _rectListPtr[i]->push_back(Common::Rect(xs, ys, xs + FROM_LE_16(rectList[2]), ys + FROM_LE_16(rectList[3]))); } } } } xs = READ_LE_UINT16(src + 0x46); ys = READ_LE_UINT16(src + 0x48); _clipRect = Common::Rect(xs, ys, xs + READ_LE_UINT16(src + 0x4A), ys + READ_LE_UINT16(src + 0x4C)); state._curLibPtr->resolveIt(READ_LE_UINT32(src + 0x7A), &dummy); state._curLibPtr->resolveFunction(READ_LE_UINT32(src + 0x7E), (ScreenMethodPtr *)&_fn1); state._curLibPtr->resolveFunction(READ_LE_UINT32(src + 0x82), (ScreenMethodPtr *)&_setupFn); state._curLibPtr->resolveFunction(READ_LE_UINT32(src + 0x86), (ScreenMethodPtr *)&_addFn); state._curLibPtr->resolveFunction(READ_LE_UINT32(src + 0x8A), (ScreenMethodPtr *)&_restoreFn); if (!_restoreFn && _addFn) _addFn = &Screen::addRectNoSaveBack; } ViewPortResource::~ViewPortResource() { for (int i = 0; i < 3; ++i) delete _rectListPtr[i]; } void ViewPortResource::setupViewPort(PictureResource *page, Common::Rect *clippingRect, ViewPortSetupPtr setupFn, ViewPortAddPtr addFn, ViewPortRestorePtr restoreFn) { PictureResource *pic = _currentPic; Common::Rect r = _bounds; r.translate(pic->_bounds.left, pic->_bounds.top); int xDiff, yDiff; if (page) { // Clip based on the passed picture resource xDiff = page->_bounds.left - r.left; yDiff = page->_bounds.top - r.top; if (xDiff > 0) { int width = r.width(); r.left = page->_bounds.left; r.setWidth(xDiff <= width ? width - xDiff : 0); } if (yDiff > 0) { int height = r.height(); r.top = page->_bounds.top; r.setHeight(yDiff <= height ? height - yDiff : 0); } xDiff = r.right - page->_bounds.right; yDiff = r.bottom - page->_bounds.bottom; if (xDiff > 0) r.setWidth(xDiff <= r.width() ? r.width() - xDiff : 0); if (yDiff > 0) r.setHeight(yDiff <= r.height() ? r.height() - yDiff : 0); } if (clippingRect) { // Clip based on the passed clip rectangles xDiff = clippingRect->left - r.left; yDiff = clippingRect->top - r.top; if (xDiff > 0) { int width = r.width(); r.left = clippingRect->left; r.setWidth(xDiff <= width ? width - xDiff : 0); } if (yDiff > 0) { int height = r.height(); r.top = clippingRect->top; r.setHeight(yDiff <= height ? height - yDiff : 0); } xDiff = r.right - clippingRect->right; yDiff = r.bottom - clippingRect->bottom; if (xDiff > 0) r.setWidth(xDiff <= r.width() ? r.width() - xDiff : 0); if (yDiff > 0) r.setHeight(yDiff <= r.height() ? r.height() - yDiff : 0); } _activePage = page; _clipRect = r; _setupFn = setupFn; _addFn = addFn; _restoreFn = restoreFn; if (setupFn) (_state._vm->_screen->*setupFn)(this); } void ViewPortResource::setupViewPort() { setupViewPort(_state._vm->_screen->_backgroundPage, NULL, &Screen::setupMCGASaveRect, &Screen::addRectOptSaveRect, &Screen::restoreMCGASaveRect); } void ViewPortResource::setupViewPort(PictureResource *pic, Common::Rect *clippingRect) { setupViewPort(pic, clippingRect, &Screen::setupMCGASaveRect, &Screen::addRectOptSaveRect, &Screen::restoreMCGASaveRect); } void ViewPortResource::addSaveRect(int pageIndex, const Common::Rect &r) { Common::Rect rect = r; if (clipRect(rect)) { if (_addFn) { (_state._vm->_screen->*_addFn)(this, pageIndex, rect); } else if (_rectListCount[pageIndex] != -1) { _rectListPtr[pageIndex]->push_back(rect); } } } void ViewPortResource::fillPic(byte onOff) { _state._vm->_screen->fillPic(this, onOff); } void ViewPortResource::drawIfaceTime() { // Hour display _state._vm->_screen->drawANumber(_state._vm->_screen->_vPort, (_state._vm->_gameHour / 10) == 0 ? 10 : _state._vm->_gameHour / 10, Common::Point(161, 25)); _state._vm->_screen->drawANumber(_state._vm->_screen->_vPort, _state._vm->_gameHour % 10, Common::Point(172, 25)); // Minute display _state._vm->_screen->drawANumber(_state._vm->_screen->_vPort, _state._vm->_gameMinute / 10, Common::Point(190, 25)); _state._vm->_screen->drawANumber(_state._vm->_screen->_vPort, _state._vm->_gameMinute % 10, Common::Point(201, 25)); // AM/PM indicator PictureResource *pic = _state._vm->_bVoy->boltEntry(_state._vm->_voy->_isAM ? 272 : 273)._picResource; _state._vm->_screen->sDrawPic(pic, _state._vm->_screen->_vPort, Common::Point(215, 27)); } void ViewPortResource::drawPicPerm(PictureResource *pic, const Common::Point &pt) { Common::Rect bounds = pic->_bounds; bounds.translate(pt.x, pt.y); bool saveBack = _state._vm->_screen->_saveBack; _state._vm->_screen->_saveBack = false; _state._vm->_screen->sDrawPic(pic, this, pt); clipRect(bounds); for (int pageIndex = 0; pageIndex < _pageCount; ++pageIndex) { if (_pageIndex != pageIndex) { addSaveRect(pageIndex, bounds); } } _state._vm->_screen->_saveBack = saveBack; } /*------------------------------------------------------------------------*/ ViewPortListResource::ViewPortListResource(BoltFilesState &state, const byte *src) { uint count = READ_LE_UINT16(src); _palIndex = READ_LE_UINT16(src + 2); // Load palette map byte *palData = state._curLibPtr->memberAddr(READ_LE_UINT32(src + 4)); for (uint i = 0; i < 256; ++i, palData += 16) _palette.push_back(ViewPortPalEntry(palData)); // Load view port pointer list const uint32 *idP = (const uint32 *)&src[8]; for (uint i = 0; i < count; ++i, ++idP) { uint32 id = READ_LE_UINT32(idP); BoltEntry &entry = state._curLibPtr->getBoltEntryFromLong(id); assert(entry._viewPortResource); _entries.push_back(entry._viewPortResource); } } /*------------------------------------------------------------------------*/ ViewPortPalEntry::ViewPortPalEntry(const byte *src) { const uint16 *v = (const uint16 *)src; _rEntry = READ_LE_UINT16(v++); _gEntry = READ_LE_UINT16(v++); _bEntry = READ_LE_UINT16(v++); _rChange = READ_LE_UINT16(v++); _gChange = READ_LE_UINT16(v++); _bChange = READ_LE_UINT16(v++); _palIndex = READ_LE_UINT16(v++); } /*------------------------------------------------------------------------*/ FontResource::FontResource(BoltFilesState &state, byte *src) { _minChar = src[0]; _maxChar = src[1]; _fontDepth = src[2]; _padding = src[3]; _fontHeight = src[5]; _topPadding = (int8)src[6]; int totalChars = _maxChar - _minChar + 1; _charWidth = new int[totalChars]; for (int i = 0; i < totalChars; ++i) _charWidth[i] = READ_LE_UINT16(src + 8 + 2 * i); _charOffsets = src + 8 + totalChars * 2; _charImages = _charOffsets + totalChars * 2; } FontResource::~FontResource() { delete[] _charWidth; } /*------------------------------------------------------------------------*/ FontInfoResource::FontInfoResource(BoltFilesState &state, const byte *src) { _curFont = NULL; _picFlags = src[4]; _picSelect = src[5]; _picPick = src[6]; _picOnOff = src[7]; _fontFlags = src[8]; _justify = (FontJustify)src[9]; _fontSaveBack = READ_LE_UINT16(src + 10); _pos.x = (int16)READ_LE_UINT16(src + 12); _pos.y = (int16)READ_LE_UINT16(src + 14); _justifyWidth = READ_LE_UINT16(src + 16); _justifyHeight = READ_LE_UINT16(src + 18); _shadow.x = READ_LE_UINT16(src + 20); _shadow.y = READ_LE_UINT16(src + 22); _foreColor = READ_LE_UINT16(src + 24); _backColor = READ_LE_UINT16(src + 26); _shadowColor = READ_LE_UINT16(src + 28); } FontInfoResource::FontInfoResource() { _curFont = NULL; _picFlags = DISPFLAG_1 | DISPFLAG_2; _picSelect = 0xff; _picPick = 0xff; _picOnOff = 0; _fontFlags = DISPFLAG_NONE; _justify = ALIGN_LEFT; _fontSaveBack = 0; _justifyWidth = 1; _justifyHeight = 1; _shadow = Common::Point(1, 1); _foreColor = 1; _backColor = 0; _shadowColor = 0; } FontInfoResource::FontInfoResource(byte picFlags, byte picSelect, byte picPick, byte picOnOff, byte fontFlags, FontJustify justify, int fontSaveBack, const Common::Point &pos, int justifyWidth, int justifyHeight, const Common::Point &shadow, int foreColor, int backColor, int shadowColor) { _curFont = NULL; _picFlags = picFlags; _picSelect = picSelect; _picPick = picPick; _picOnOff = picOnOff; _fontFlags = fontFlags; _justify = justify; _fontSaveBack = fontSaveBack; _pos = pos; _justifyWidth = justifyWidth; _justifyHeight = justifyHeight; _shadow = shadow; _foreColor = foreColor; _backColor = backColor; _shadowColor = shadowColor; } /*------------------------------------------------------------------------*/ CMapResource::CMapResource(BoltFilesState &state, const byte *src): _vm(state._vm) { _steps = src[0]; _fadeStatus = src[1]; _start = READ_LE_UINT16(src + 2); _end = READ_LE_UINT16(src + 4); int count = _end - _start + 1; _entries = new byte[count * 3]; Common::copy(src + 6, src + 6 + 3 * count, _entries); int palIndex = state._vm->_screen->_viewPortListPtr->_palIndex; if (_end > palIndex) _end = palIndex; if (_start > palIndex) _start = palIndex; } CMapResource::~CMapResource() { delete[] _entries; } void CMapResource::startFade() { _vm->_eventsManager->startFade(this); } /*------------------------------------------------------------------------*/ VInitCycleResource::VInitCycleResource(BoltFilesState &state, const byte *src): _state(state) { // Set up arrays for (int i = 0; i < 4; ++i) { _type[i] = READ_LE_UINT16(src + i * 2); state._curLibPtr->resolveIt(READ_LE_UINT32(src + 8 + i * 4), &_ptr[i]); } } void VInitCycleResource::vStartCycle() { EventsManager &evt = *_state._vm->_eventsManager; evt._cycleIntNode._flags |= 1; evt._cyclePtr = this; for (int i = 0; i < 4; ++i) { evt._cycleNext[i] = _ptr[i]; evt._cycleTime[i] = 0; } evt._cycleStatus = 1; evt._cycleIntNode._flags &= ~1; } void VInitCycleResource::vStopCycle() { EventsManager &evt = *_state._vm->_eventsManager; evt._cycleIntNode._flags |= 1; evt._cycleStatus &= ~1; } /*------------------------------------------------------------------------*/ PtrResource::PtrResource(BoltFilesState &state, const byte *src) { // Load pointer list const uint32 *idP = (const uint32 *)&src[0]; int size = state._curMemberPtr->_size; for (int i = 0; i < size / 4; ++i, ++idP) { uint32 id = READ_LE_UINT32(idP); BoltEntry &entry = state._curLibPtr->getBoltEntryFromLong(id); _entries.push_back(&entry); } } /*------------------------------------------------------------------------*/ ControlResource::ControlResource(BoltFilesState &state, const byte *src) { // Get Id for the state data. Since it refers to a following entry in the same // group, for simplicity we set the _state back in the main playStamp method _stateId = READ_LE_UINT32(&src[0x32]); _state = nullptr; for (int i = 0; i < 8; ++i) _memberIds[i] = READ_LE_UINT16(src + i * 2); // Load pointer list const uint32 *idP = (const uint32 *)&src[0x10]; int count = READ_LE_UINT16(&src[0x36]); Common::fill(&_entries[0], &_entries[8], (byte *)nullptr); for (int i = 0; i < count; ++i, ++idP) { uint32 id = READ_LE_UINT32(idP); state._curLibPtr->resolveIt(id, &_entries[i]); } } /*------------------------------------------------------------------------*/ StateResource::StateResource(BoltFilesState &state, const byte *src): _victimIndex(_vals[1]), _victimEvidenceIndex(_vals[2]), _victimMurderIndex(_vals[3]) { for (int i = 0; i < 4; ++i) _vals[i] = READ_LE_UINT32(src + i * 4); } void StateResource::synchronize(Common::Serializer &s) { for (int i = 0; i < 4; ++i) s.syncAsSint32LE(_vals[i]); } } // End of namespace Voyeur