diff options
Diffstat (limited to 'src/industry_cmd.cpp')
| -rw-r--r-- | src/industry_cmd.cpp | 49 |
1 files changed, 41 insertions, 8 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp index 41be3a9f2..7c78762a1 100644 --- a/src/industry_cmd.cpp +++ b/src/industry_cmd.cpp @@ -2235,6 +2235,47 @@ static void ChangeIndustryProduction(Industry *i, bool monthly) } } +/** Daily handler for the industry changes + * Taking the original map size of 256*256, the number of random changes was always of just one unit. + * But it cannot be the same on smaller or bigger maps. That number has to be scaled up or down. + * For small maps, it implies that less than one change per month is required, while on bigger maps, + * it would be way more. The daily loop handles those changes. */ +void IndustryDailyLoop() +{ + _economy.industry_daily_change_counter += _economy.industry_daily_increment; + + /* Bits 16-31 of industry_construction_counter contain the number of industries to change/create today, + * the lower 16 bit are a fractional part that might accumulate over several days until it + * is sufficient for an industry. */ + uint16 change_loop = _economy.industry_daily_change_counter >> 16; + + /* Reset the active part of the counter, just keeping the "factional part" */ + _economy.industry_daily_change_counter &= 0xFFFF; + + if (change_loop == 0) { + return; // Nothing to do? get out + } + + PlayerID old_player = _current_player; + _current_player = OWNER_NONE; + + /* perform the required industry changes for the day */ + for (uint16 j = 0; j < change_loop; j++) { + /* 3% chance that we start a new industry */ + if (Chance16(3, 100)) { + MaybeNewIndustry(); + } else { + Industry *i = GetRandomIndustry(); + if (i != NULL) ChangeIndustryProduction(i, false); + } + } + + _current_player = old_player; + + /* production-change */ + InvalidateWindowData(WC_INDUSTRY_DIRECTORY, 0, 1); +} + void IndustryMonthlyLoop() { Industry *i; @@ -2250,14 +2291,6 @@ void IndustryMonthlyLoop() } } - /* 3% chance that we start a new industry */ - if (Chance16(3, 100)) { - MaybeNewIndustry(); - } else { - i = GetRandomIndustry(); - if (i != NULL) ChangeIndustryProduction(i, false); - } - _current_player = old_player; /* production-change */ |