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(svn r4817) - NewGRF: allow partial support for parameter retrieval in action D.

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This commit is contained in:
peter1138 2006-05-10 21:41:16 +00:00
parent aeca70f15a
commit f513850371
1 changed files with 9 additions and 5 deletions
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14
newgrf.c
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@ -2292,10 +2292,12 @@ static void ParamSet(byte *buf, int len)
* - it OR A PARAMETER WITH HIGHER NUMBER has been set to any value by
* an earlier action D */
if (oper & 0x80) {
if (_cur_grffile->param_end < target)
oper &= 0x7F;
else
if (target < 0x80 && target < _cur_grffile->param_end) {
DEBUG(grf, 7) ("Param %u already defined, skipping.", target);
return;
}
oper &= 0x7F;
}
/* The source1 and source2 operands refer to the grf parameter number
@ -2306,13 +2308,15 @@ static void ParamSet(byte *buf, int len)
if (src1 == 0xFF) {
src1 = data;
} else {
src1 = _cur_grffile->param_end >= src1 ? _cur_grffile->param[src1] : 0;
uint32 temp;
src1 = GetParamVal(src1, &temp);
}
if (src2 == 0xFF) {
src2 = data;
} else {
src2 = _cur_grffile->param_end >= src2 ? _cur_grffile->param[src2] : 0;
uint32 temp;
src2 = GetParamVal(src2, &temp);
}
/* TODO: You can access the parameters of another GRF file by using