diff options
| -rw-r--r-- | engines/teenagent/resources.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/engines/teenagent/resources.cpp b/engines/teenagent/resources.cpp index 49a429d5b7..0dc6ea2f3c 100644 --- a/engines/teenagent/resources.cpp +++ b/engines/teenagent/resources.cpp @@ -74,10 +74,27 @@ bool Resources::loadArchives(const ADGameDescription *gd) { // zlib here is no longer needed, and it's maintained only for backwards // compatibility. Common::SeekableReadStream *dat = Common::wrapCompressedReadStream(dat_file); + +#if !defined(USE_ZLIB) + uint16 header = dat->readUint16BE(); + bool isCompressed = (header == 0x1F8B || + ((header & 0x0F00) == 0x0800 && + header % 31 == 0)); + dat->seek(-2, SEEK_CUR); + + if (isCompressed) { + // teenagent.dat is compressed, but zlib hasn't been compiled in + delete dat; + Common::String errorMessage = "The teenagent.dat file is compressed and zlib hasn't been included in this executable. Please decompress it"; + GUIErrorMessage(errorMessage); + warning("%s", errorMessage.c_str()); + return false; + } +#endif + cseg.read(dat, 0xb3b0); dseg.read(dat, 0xe790); eseg.read(dat, 0x8be2); - delete dat; FilePack varia; |