diff options
| -rw-r--r-- | src/industry_cmd.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp index 66c183e23..e52e41d66 100644 --- a/src/industry_cmd.cpp +++ b/src/industry_cmd.cpp @@ -1994,6 +1994,7 @@ static void ReportNewsProductionChangeIndustry(Industry *ind, CargoID type, int enum { PERCENT_TRANSPORTED_60 = 153, + PERCENT_TRANSPORTED_80 = 204, }; /** Change industry production or do closure @@ -2055,18 +2056,26 @@ static void ChangeIndustryProduction(Industry *i, bool monthly) if (smooth_economy) { closeit = true; for (byte j = 0; j < 2 && i->produced_cargo[j] != CT_INVALID; j++){ + uint32 r = Random(); int old_prod, new_prod, percent; + /* If over 60% is transported, mult is 1, else mult is -1. */ int mult = (i->last_month_pct_transported[j] > PERCENT_TRANSPORTED_60) ? 1 : -1; new_prod = old_prod = i->production_rate[j]; + /* For industries with only_decrease flags (temperate terrain Oil Wells), + * the multiplier will always be -1 so they will only decrease. */ if (only_decrease) { mult = -1; - } else if (Chance16(1, 3)) { + /* For normal industries, if over 60% is transported, 33% chance for decrease. + * Bonus for very high station ratings (over 80%): 16% chance for decrease. */ + } else if (Chance16I(1, ((i->last_month_pct_transported[j] > PERCENT_TRANSPORTED_80) ? 6 : 3), r)) { mult *= -1; } - if (Chance16(1, 22)) { + /* 4.5% chance for 3-23% (or 1 unit for very low productions) production change, + * determined by mult value. If mult = 1 prod. increases, else (-1) it decreases. */ + if (Chance16I(1, 22, r >> 16)) { new_prod += mult * (max(((RandomRange(50) + 10) * old_prod) >> 8, 1U)); } @@ -2094,7 +2103,7 @@ static void ChangeIndustryProduction(Industry *i, bool monthly) } } else { if (only_decrease || Chance16(1, 3)) { - /* If you transport > 60%, 66% chance we increase, else 33% chance we increase */ + /* If more than 60% transported, 66% chance of increase, else 33% chance of increase */ if (!only_decrease && (i->last_month_pct_transported[0] > PERCENT_TRANSPORTED_60) != Chance16(1, 3)) { mul = 1; // Increase production } else { |