@@ -50,12 +50,24 @@ enum GRFListCompatibility {
};
/** Basic data to distinguish a GRF. Used in the server list window */
struct GRFIdentifier {
uint32 grfid; ///< GRF ID (defined by Action 0x08)
uint8 md5sum[16]; ///< MD5 checksum of file to distinguish files with the same GRF ID (eg. newer version of GRF)
/** Does the identification match the provided values?
* @param grfid Expected grfid.
* @param md5sum Expected md5sum, may be \c NULL (in which case, do not check it).
* @return the object has the provided grfid and md5sum.
*/
FORCEINLINE bool HasGrfIdentifier(uint32 grfid, const uint8 *md5sum) const
{
if (this->grfid != grfid) return false;
if (md5sum == NULL) return true;
return memcmp(md5sum, this->md5sum, sizeof(this->md5sum)) == 0;
}
/** Information about why GRF had problems during initialisation */
struct GRFError : ZeroedMemoryAllocator {
GRFError(StringID severity, StringID message = 0);
~GRFError();