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(svn r11358) -Fix: condition types 0x0B and 0x0C are also valid for variable 0x88 in action 7/9.

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rubidium 2007-10-30 17:24:04 +00:00
parent 9cf6fe8bca
commit 50d51e83bb
1 changed files with 24 additions and 17 deletions
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41
src/newgrf.cpp
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@ -3577,7 +3577,14 @@ static void SkipIf(byte *buf, int len)
grfmsg(7, "SkipIf: Test condtype %d, param 0x%08X, condval 0x%08X", condtype, param_val, cond_val); grfmsg(7, "SkipIf: Test condtype %d, param 0x%08X, condval 0x%08X", condtype, param_val, cond_val);
if (param == 0x88) { /*
* Parameter (variable in specs) 0x88 can only have GRF ID checking
* conditions, except conditions 0x0B and 0x0C (cargo availability)
* as those ignore the parameter. So, when the condition type is
* either of those, the specific variable 0x88 code is skipped, so
* the "general" code for the cargo availability conditions kicks in.
*/
if (param == 0x88 && condtype != 0x0B && condtype != 0x0C) {
/* GRF ID checks */ /* GRF ID checks */
const GRFConfig *c = GetGRFConfig(cond_val); const GRFConfig *c = GetGRFConfig(cond_val);
@ -3588,51 +3595,51 @@ static void SkipIf(byte *buf, int len)
} }
switch (condtype) { switch (condtype) {
/* Tests 6 to 10 are only for param 0x88, GRFID checks */ /* Tests 0x06 to 0x0A are only for param 0x88, GRFID checks */
case 6: // Is GRFID active? case 0x06: // Is GRFID active?
result = c->status == GCS_ACTIVATED; result = c->status == GCS_ACTIVATED;
break; break;
case 7: // Is GRFID non-active? case 0x07: // Is GRFID non-active?
result = c->status != GCS_ACTIVATED; result = c->status != GCS_ACTIVATED;
break; break;
case 8: // GRFID is not but will be active? case 0x08: // GRFID is not but will be active?
result = c->status == GCS_INITIALISED; result = c->status == GCS_INITIALISED;
break; break;
case 9: // GRFID is or will be active? case 0x09: // GRFID is or will be active?
result = c->status == GCS_ACTIVATED || c->status == GCS_INITIALISED; result = c->status == GCS_ACTIVATED || c->status == GCS_INITIALISED;
break; break;
case 10: // GRFID is not nor will be active case 0x0A: // GRFID is not nor will be active
/* This is the only condtype that doesn't get ignored if the GRFID is not found */ /* This is the only condtype that doesn't get ignored if the GRFID is not found */
result = c == NULL || c->flags == GCS_DISABLED || c->status == GCS_NOT_FOUND; result = c == NULL || c->flags == GCS_DISABLED || c->status == GCS_NOT_FOUND;
break; break;
default: grfmsg(1, "SkipIf: Unsupported GRF test %d. Ignoring", condtype); return; default: grfmsg(1, "SkipIf: Unsupported GRF condition type %02X. Ignoring", condtype); return;
} }
} else { } else {
/* Parameter or variable tests */ /* Parameter or variable tests */
switch (condtype) { switch (condtype) {
case 0: result = !!(param_val & (1 << cond_val)); case 0x00: result = !!(param_val & (1 << cond_val));
break; break;
case 1: result = !(param_val & (1 << cond_val)); case 0x01: result = !(param_val & (1 << cond_val));
break; break;
case 2: result = (param_val & mask) == cond_val; case 0x02: result = (param_val & mask) == cond_val;
break; break;
case 3: result = (param_val & mask) != cond_val; case 0x03: result = (param_val & mask) != cond_val;
break; break;
case 4: result = (param_val & mask) < cond_val; case 0x04: result = (param_val & mask) < cond_val;
break; break;
case 5: result = (param_val & mask) > cond_val; case 0x05: result = (param_val & mask) > cond_val;
break; break;
case 11: result = GetCargoIDByLabel(BSWAP32(cond_val)) == CT_INVALID; case 0x0B: result = GetCargoIDByLabel(BSWAP32(cond_val)) == CT_INVALID;
break; break;
case 12: result = GetCargoIDByLabel(BSWAP32(cond_val)) != CT_INVALID; case 0x0C: result = GetCargoIDByLabel(BSWAP32(cond_val)) != CT_INVALID;
break; break;
default: grfmsg(1, "SkipIf: Unsupported test %d. Ignoring", condtype); return; default: grfmsg(1, "SkipIf: Unsupported condition type %02X. Ignoring", condtype); return;
} }
} }