petern/OpenTTD
1
0
Fork 0
forked from mirror/OpenTTD
Code Pull Requests Activity

(svn r23001) -Feature: [NewGRF] Automatically switch to a 32 bpp blitter on NewGRF indication.

Browse Source
This commit is contained in:
michi_cc
2011-10-04 21:35:52 +00:00
parent c575b5bbd7
commit 71bd681d87
3 changed files with 36 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/newgrf.cpp
View File

@@ -6993,6 +6993,28 @@ static bool ChangeGRFPalette(size_t len, ByteReader *buf)
return true;
}
/** Callback function for 'INFO'->'BLTR' to set the blitter info. */
static bool ChangeGRFBlitter(size_t len, ByteReader *buf)
{
if (len != 1) {
grfmsg(2, "StaticGRFInfo: expected only 1 byte for 'INFO'->'BLTR' but got " PRINTF_SIZE ", ignoring this field", len);
buf->Skip(len);
} else {
char data = buf->ReadByte();
GRFPalette pal = GRFP_BLT_UNSET;
switch (data) {
case '8': pal = GRFP_BLT_UNSET; break;
case '3': pal = GRFP_BLT_32BPP; break;
default:
grfmsg(2, "StaticGRFInfo: unexpected value '%02x' for 'INFO'->'BLTR', ignoring this field", data);
return true;
}
_cur.grfconfig->palette &= ~GRFP_BLT_MASK;
_cur.grfconfig->palette |= pal;
}
return true;
}
/** Callback function for 'INFO'->'VRSN' to the version of the NewGRF. */
static bool ChangeGRFVersion(size_t len, ByteReader *buf)
{
@@ -7282,6 +7304,7 @@ AllowedSubtags _tags_info[] = {
AllowedSubtags('DESC', ChangeGRFDescription),
AllowedSubtags('NPAR', ChangeGRFNumUsedParams),
AllowedSubtags('PALS', ChangeGRFPalette),
AllowedSubtags('BLTR', ChangeGRFBlitter),
AllowedSubtags('VRSN', ChangeGRFVersion),
AllowedSubtags('MINV', ChangeGRFMinVersion),
AllowedSubtags('PARA', HandleParameterInfo),