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(svn r8830) -Feature: Stop loading and disable the current newgrf if a fatal error message 

in Action B is encountered. Also be more strict on the values accepted.
This commit is contained in:
maedhros 2007-02-21 17:20:44 +00:00
parent 62ff0ab073
commit 61fa3909f2
1 changed files with 35 additions and 13 deletions
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48
src/newgrf.cpp
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@ -2655,12 +2655,12 @@ static void GRFError(byte *buf, int len)
/* TODO: For now we just show the message, sometimes incomplete and never translated. */
static const char *const msgstr[] = {
"%sRequires at least pseudo-TTDPatch version %s",
"%sThis file is for %s version of TTD",
"%sRequires at least pseudo-TTDPatch version %s.",
"%sThis file is for %s version of TTD.",
"%sDesigned to be used with %s",
"%sInvalid parameter %s",
"%sMust be loaded before %s",
"%sMust be loaded after %s",
"%sInvalid parameter %s.",
"%sMust be loaded before %s.",
"%sMust be loaded after %s.",
"%s%s"
};
@ -2674,20 +2674,42 @@ static void GRFError(byte *buf, int len)
if (!check_length(len, 6, "GRFError")) return;
buf++; /* Skip the action byte. */
byte sevid = grf_load_byte(&buf);
byte severity = grf_load_byte(&buf);
buf++; /* TODO: Language id. */
byte msgid = grf_load_byte(&buf);
byte message_id = grf_load_byte(&buf);
len -= 4;
const char *data = grf_load_string(&buf, len - 4);
// Undocumented TTDPatch feature.
if (!HASBIT(sevid, 7) && _cur_stage < GLS_ACTIVATION) {
/* Skip the error until the activation stage unless bit 7 of the severity
* is set. */
if (!HASBIT(severity, 7) && _cur_stage < GLS_ACTIVATION) {
grfmsg(7, "Skipping non-fatal GRFError in stage 1");
return;
}
CLRBIT(severity, 7);
sevid = GB(sevid, 0, 2);
grfmsg(0, msgstr[(msgid == 0xFF) ? lengthof(msgstr) - 1 : msgid], sevstr[sevid], data);
if (severity >= lengthof(sevstr)) {
grfmsg(7, "GRFError: Invalid severity id %d. Setting to 2 (non-fatal error).", severity);
severity = 2;
} else if (severity == 3) {
/* This is a fatal error, so make sure the GRF is deactivated and no
* more of it gets loaded. */
SETBIT(_cur_grfconfig->flags, GCF_DISABLED);
CLRBIT(_cur_grfconfig->flags, GCF_ACTIVATED);
_skip_sprites = -1;
}
if (message_id >= lengthof(msgstr) && message_id != 0xFF) {
grfmsg(7, "GRFError: Invalid message id.");
return;
}
if (len <= 1) {
grfmsg(7, "GRFError: No message data supplied.");
return;
}
grfmsg(0, msgstr[(message_id == 0xFF) ? lengthof(msgstr) - 1 : message_id], sevstr[severity], grf_load_string(&buf, len));
}
/* Action 0x0C */