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(svn r14939) -Codechange: Follow standard *ChangeInfo() pattern for global variables during reservation. Whilst not strictly necessary for global variables, following the same pattern makes it easier to follow. This also solves the long standing ChangeInfoResult/bool warning for MSVC.

This commit is contained in:
peter1138 2009-01-09 20:14:07 +00:00
parent b26cee21f6
commit 5c666fac14
1 changed files with 95 additions and 49 deletions
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144
src/newgrf.cpp
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@ -1771,6 +1771,68 @@ static ChangeInfoResult GlobalVarChangeInfo(uint gvid, int numinfo, int prop, by
return ret;
}
static ChangeInfoResult GlobalVarReserveInfo(uint gvid, int numinfo, int prop, byte **bufp, int len)
{
byte *buf = *bufp;
ChangeInfoResult ret = CIR_SUCCESS;
for (int i = 0; i < numinfo; i++) {
switch (prop) {
case 0x08: // Cost base factor
grf_load_byte(&buf);
break;
case 0x09: { // Cargo Translation Table
if (i == 0) {
if (gvid != 0) {
grfmsg(1, "ReserveChangeInfo: Cargo translation table must start at zero");
return CIR_INVALID_ID;
}
free(_cur_grffile->cargo_list);
_cur_grffile->cargo_max = numinfo;
_cur_grffile->cargo_list = MallocT<CargoLabel>(numinfo);
}
CargoLabel cl = grf_load_dword(&buf);
_cur_grffile->cargo_list[i] = BSWAP32(cl);
break;
}
case 0x0A: // Currency display names
case 0x0C: // Currency options
case 0x0F: // Euro introduction dates
grf_load_word(&buf);
break;
case 0x0B: // Currency multipliers
case 0x0D: // Currency prefix symbol
case 0x0E: // Currency suffix symbol
grf_load_dword(&buf);
break;
case 0x10: // Snow line height table
buf += SNOW_LINE_MONTHS * SNOW_LINE_DAYS;
break;
case 0x11: { // GRF match for engine allocation
uint32 s = grf_load_dword(&buf);
uint32 t = grf_load_dword(&buf);
SetNewGRFOverride(s, t);
break;
}
default:
ret = CIR_UNKNOWN;
break;
}
}
*bufp = buf;
return ret;
}
static ChangeInfoResult CargoChangeInfo(uint cid, int numinfo, int prop, byte **bufp, int len)
{
byte *buf = *bufp;
@ -2319,6 +2381,33 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
return ret;
}
static bool HandleChangeInfoResult(const char *caller, ChangeInfoResult cir, uint8 feature, uint8 property)
{
switch (cir) {
default: NOT_REACHED();
case CIR_SUCCESS:
return false;
case CIR_UNHANDLED:
grfmsg(1, "%s: Ignoring property 0x%02X of feature 0x%02X (not implemented)", caller, property, feature);
return false;
case CIR_UNKNOWN:
grfmsg(0, "%s: Unknown property 0x%02X of feature 0x%02X, disabling", caller, property, feature);
/* Fall through */
case CIR_INVALID_ID:
/* No debug message for an invalid ID, as it has already been output */
_skip_sprites = -1;
_cur_grfconfig->status = GCS_DISABLED;
_cur_grfconfig->error = CallocT<GRFError>(1);
_cur_grfconfig->error->severity = STR_NEWGRF_ERROR_MSG_FATAL;
_cur_grfconfig->error->message = (cir == CIR_INVALID_ID) ? STR_NEWGRF_ERROR_INVALID_ID : STR_NEWGRF_ERROR_UNKNOWN_PROPERTY;
return true;
}
}
/* Action 0x00 */
static void FeatureChangeInfo(byte *buf, size_t len)
{
@ -2372,27 +2461,7 @@ static void FeatureChangeInfo(byte *buf, size_t len)
uint8 prop = grf_load_byte(&buf);
ChangeInfoResult cir = handler[feature](engine, numinfo, prop, &buf, bufend - buf);
switch (cir) {
case CIR_SUCCESS:
break;
case CIR_UNHANDLED:
grfmsg(1, "FeatureChangeInfo: Ignoring property 0x%02X of feature 0x%02X (not implemented)", prop, feature);
break;
case CIR_UNKNOWN:
grfmsg(0, "FeatureChangeInfo: Unknown property 0x%02X of feature 0x%02X, disabling", prop, feature);
/* Fall through */
case CIR_INVALID_ID:
/* No debug message for an invalid ID, as it has already been output */
_skip_sprites = -1;
_cur_grfconfig->status = GCS_DISABLED;
_cur_grfconfig->error = CallocT<GRFError>(1);
_cur_grfconfig->error->severity = STR_NEWGRF_ERROR_MSG_FATAL;
_cur_grfconfig->error->message = (cir == CIR_INVALID_ID) ? STR_NEWGRF_ERROR_INVALID_ID : STR_NEWGRF_ERROR_UNKNOWN_PROPERTY;
return;
}
if (HandleChangeInfoResult("FeatureChangeInfo", cir, feature, prop)) return;
}
}
@ -2436,43 +2505,20 @@ static void ReserveChangeInfo(byte *buf, size_t len)
while (numprops-- && buf < bufend) {
uint8 prop = grf_load_byte(&buf);
bool ignoring = false;
ChangeInfoResult cir = CIR_SUCCESS;
switch (feature) {
default: NOT_REACHED();
case GSF_CARGOS:
ignoring = CargoChangeInfo(index, numinfo, prop, &buf, bufend - buf);
cir = CargoChangeInfo(index, numinfo, prop, &buf, bufend - buf);
break;
case GSF_GLOBALVAR:
switch (prop) {
case 0x09: // Cargo Translation Table
if (index != 0) {
grfmsg(1, "ReserveChangeInfo: Cargo translation table must start at zero");
return;
}
free(_cur_grffile->cargo_list);
_cur_grffile->cargo_max = numinfo;
_cur_grffile->cargo_list = MallocT<CargoLabel>(numinfo);
for (uint i = 0; i < numinfo; i++) {
CargoLabel cl = grf_load_dword(&buf);
_cur_grffile->cargo_list[i] = BSWAP32(cl);
}
break;
case 0x11: // GRF match for engine allocation
for (uint i = 0; i < numinfo; i++) {
uint32 s = grf_load_dword(&buf);
uint32 t = grf_load_dword(&buf);
SetNewGRFOverride(s, t);
}
break;
}
cir = GlobalVarReserveInfo(index, numinfo, prop, &buf, bufend - buf);
break;
}
if (ignoring) grfmsg(2, "ReserveChangeInfo: Ignoring property 0x%02X (not implemented)", prop);
if (HandleChangeInfoResult("ReserveChangeInfo", cir, feature, prop)) return;
}
}