diff options
Diffstat (limited to 'scumm')
-rw-r--r-- | scumm/resource_v7he.cpp | 56 |
1 files changed, 39 insertions, 17 deletions
diff --git a/scumm/resource_v7he.cpp b/scumm/resource_v7he.cpp index 945ea692e3..2a5ce3f495 100644 --- a/scumm/resource_v7he.cpp +++ b/scumm/resource_v7he.cpp @@ -1,3 +1,4 @@ + /* ScummVM - Scumm Interpreter * Copyright (C) 2004-2005 The ScummVM project * @@ -1272,6 +1273,7 @@ void MacResExtractor::setCursor(int id) { int cursorsize; int w = 0, h = 0, hotspot_x = 0, hotspot_y = 0; int keycolor; + File f; if (!_fileName[0]) // We are running for the first time if (_vm->_heMacFileNameIndex > 0) { @@ -1279,6 +1281,21 @@ void MacResExtractor::setCursor(int id) { snprintf(buf1, 128, "%s.he3", _vm->getGameName()); _vm->generateMacFileName(buf1, _fileName, 128, 0, _vm->_heMacFileNameIndex); + + // Some programs write it as .bin. Try that too + if (!f.exists(_fileName)) { + strcpy(buf1, _fileName); + snprintf(_fileName, 128, "%s.bin", buf1); + + if (!f.exists(_fileName)) { + // And finally check if we have dumped resource fork + snprintf(_fileName, 128, "%s.rsrc", buf1); + if (!f.exists(_fileName)) { + error("Cannot open file any of files '%s', '%s.bin', '%s.rsrc", + buf1, buf1, buf1); + } + } + } } cursorsize = extractResource(id, &cursorRes); @@ -1331,28 +1348,26 @@ bool MacResExtractor::init(File in) { filelen = in.size(); in.read(infoHeader, MBI_INFOHDR); - // Following should be 0 bytes - if(infoHeader[MBI_ZERO1] != 0) return false; - - if(infoHeader[MBI_ZERO2] != 0) return false; + // Maybe we have MacBinary? + if (infoHeader[MBI_ZERO1] == 0 && infoHeader[MBI_ZERO2] == 0 && + infoHeader[MBI_ZERO3] == 0 && infoHeader[MBI_NAMELEN] <= MAXNAMELEN) { - if(infoHeader[MBI_ZERO3] != 0) return false; + // Pull out fork lengths + data_size = READ_BE_UINT32(infoHeader + MBI_DFLEN); + rsrc_size = READ_BE_UINT32(infoHeader + MBI_RFLEN); - // Filename has a length range - if(infoHeader[MBI_NAMELEN] > MAXNAMELEN) return false; + data_size_pad = (((data_size + 127) >> 7) << 7); + rsrc_size_pad = (((rsrc_size + 127) >> 7) << 7); - // Pull out fork lengths - data_size = READ_BE_UINT32(infoHeader + MBI_DFLEN); - rsrc_size = READ_BE_UINT32(infoHeader + MBI_RFLEN); + // Length check + int sumlen = MBI_INFOHDR + data_size_pad + rsrc_size_pad; - data_size_pad = (((data_size + 127) >> 7) << 7); - rsrc_size_pad = (((rsrc_size + 127) >> 7) << 7); - - // Length check - int sumlen = MBI_INFOHDR + data_size_pad + rsrc_size_pad; - if(sumlen != filelen) return false; + if(sumlen == filelen) + _resOffset = MBI_INFOHDR + data_size_pad; + } - _resOffset = MBI_INFOHDR + data_size_pad; + if (_resOffset == -1) // MacBinary check is failed + _resOffset = 0; // Maybe we have dumped fork? in.seek(_resOffset); @@ -1361,6 +1376,13 @@ bool MacResExtractor::init(File in) { _dataLength = in.readUint32BE(); _mapLength = in.readUint32BE(); + // do sanity check + if (_dataOffset >= filelen || _mapOffset >= filelen || + _dataLength + _mapLength > filelen) { + _resOffset = -1; + return false; + } + debug(7, "got header: data %d [%d] map %d [%d]", _dataOffset, _dataLength, _mapOffset, _mapLength); |