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(svn r2107) - Codechange: Cleanup (well, mostly tidyup) ExtChangeIndustryProduction(). These randoms are strange.

This commit is contained in:
pasky 2005-03-29 21:42:51 +00:00
parent 508738f836
commit e7937998d6
1 changed files with 21 additions and 17 deletions
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38
industry_cmd.c
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@ -1681,42 +1681,44 @@ static void ExtChangeIndustryProduction(Industry *i)
return;
case INDUSTRY_CLOSABLE:
if ( (byte)(_cur_year - i->last_prod_year) < 5 || !CHANCE16(1,180))
if ((byte)(_cur_year - i->last_prod_year) < 5 || !CHANCE16(1, 180))
closeit = false;
break;
default: /* INDUSTRY_PRODUCTION */
for (j=0; j != 2 && i->produced_cargo[j]!=255; j++){
uint32 r;
int change,percent,old;
for (j = 0; j < 2 && i->produced_cargo[j] != 255; j++){
uint32 r = Random();
int old, new, percent;
int mag;
change = old = i->production_rate[j];
if (CHANCE16R(20,1024,r))change -= ((RandomRange(50) + 10)*old) >> 8;
if (CHANCE16I(20+(i->pct_transported[j]*20>>8),1024,r>>16)) change += ((RandomRange(50) + 10)*old) >> 8;
new = old = i->production_rate[j];
if (CHANCE16I(20, 1024, r))
new -= ((RandomRange(50) + 10) * old) >> 8;
if (CHANCE16I(20 + (i->pct_transported[j] * 20 >> 8), 1024, r >> 16))
new += ((RandomRange(50) + 10) * old) >> 8;
// make sure it doesn't exceed 255 or goes below 0
change = clamp(change, 0, 255);
if (change == old) {
new = clamp(new, 0, 255);
if (new == old) {
closeit = false;
continue;
}
percent = change*100/old - 100;
i->production_rate[j] = change;
percent = new * 100 / old - 100;
i->production_rate[j] = new;
if (change >= _industry_spec[i->type].production_rate[j]/4)
if (new >= _industry_spec[i->type].production_rate[j] / 4)
closeit = false;
mag = abs(percent);
if (mag >= 10) {
SetDParam(3, mag);
SetDParam(0,_cargoc.names_s[i->produced_cargo[j]]);
SetDParam(0, _cargoc.names_s[i->produced_cargo[j]]);
SetDParam(1, i->town->index);
SetDParam(2, i->type + STR_4802_COAL_MINE);
AddNewsItem(percent>=0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0),
i->xy + TILE_XY(1,1), 0);
AddNewsItem(percent >= 0 ? STR_INDUSTRY_PROD_GOUP : STR_INDUSTRY_PROD_GODOWN,
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0),
i->xy + TILE_XY(1,1), 0);
}
}
break;
@ -1726,7 +1728,9 @@ static void ExtChangeIndustryProduction(Industry *i)
i->prod_level = 0;
SetDParam(1, i->type + STR_4802_COAL_MINE);
SetDParam(0, i->town->index);
AddNewsItem(_industry_close_strings[i->type], NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0), i->xy + TILE_XY(1,1), 0);
AddNewsItem(_industry_close_strings[i->type],
NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_TILE, NT_ECONOMY, 0),
i->xy + TILE_XY(1,1), 0);
}
}