diff options
Diffstat (limited to 'src/newgrf.cpp')
| -rw-r--r-- | src/newgrf.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp index 60ede9a40..5b967d5ea 100644 --- a/src/newgrf.cpp +++ b/src/newgrf.cpp @@ -5919,6 +5919,18 @@ static bool ChangeGRFDescription(byte langid, const char *str) return true; } +/** Callback function for 'INFO'->'NPAR' to set the number of valid parameters. */ +static bool ChangeGRFNumUsedParams(size_t len, ByteReader *buf) +{ + if (len != 1) { + grfmsg(2, "StaticGRFInfo: expected only 1 byte for 'INFO'->'NPAR' but got " PRINTF_SIZE ", ignoring this field", len); + buf->Skip(len); + } else { + _cur_grfconfig->num_valid_params = min(buf->ReadByte(), lengthof(_cur_grfconfig->param)); + } + return true; +} + typedef bool (*DataHandler)(size_t, ByteReader *); ///< Type of callback function for binary nodes typedef bool (*TextHandler)(byte, const char *str); ///< Type of callback function for text nodes typedef bool (*BranchHandler)(ByteReader *); ///< Type of callback function for branch nodes @@ -6005,6 +6017,7 @@ struct AllowedSubtags { AllowedSubtags _tags_info[] = { AllowedSubtags('NAME', ChangeGRFName), AllowedSubtags('DESC', ChangeGRFDescription), + AllowedSubtags('NPAR', ChangeGRFNumUsedParams), AllowedSubtags() }; |