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(svn r20254) -Add: allow NewGRFs to specify their palette

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rubidium
2010-07-31 09:44:38 +00:00
parent d9393035ea
commit f03106db1c
3 changed files with 36 additions and 1 deletions
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22
src/newgrf.cpp
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@@ -5931,6 +5931,27 @@ static bool ChangeGRFNumUsedParams(size_t len, ByteReader *buf)
return true;
}
/** Callback function for 'INFO'->'PALS' to set the number of valid parameters. */
static bool ChangeGRFPalette(size_t len, ByteReader *buf)
{
if (len != 1) {
grfmsg(2, "StaticGRFInfo: expected only 1 byte for 'INFO'->'PALS' but got " PRINTF_SIZE ", ignoring this field", len);
buf->Skip(len);
} else {
char data = buf->ReadByte();
switch (data) {
case '*':
case 'A': _cur_grfconfig->palette |= GRFP_GRF_ANY; break;
case 'W': _cur_grfconfig->palette |= GRFP_GRF_WINDOWS; break;
case 'D': _cur_grfconfig->palette |= GRFP_GRF_DOS; break;
default:
grfmsg(2, "StaticGRFInfo: unexpected value '%02x' for 'INFO'->'PALS', ignoring this field", data);
break;
}
}
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
@@ -6018,6 +6039,7 @@ AllowedSubtags _tags_info[] = {
AllowedSubtags('NAME', ChangeGRFName),
AllowedSubtags('DESC', ChangeGRFDescription),
AllowedSubtags('NPAR', ChangeGRFNumUsedParams),
AllowedSubtags('PALS', ChangeGRFPalette),
AllowedSubtags()
};