diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/date.cpp | 3 | ||||
| -rw-r--r-- | src/economy.cpp | 54 | ||||
| -rw-r--r-- | src/economy_type.h | 14 | ||||
| -rw-r--r-- | src/industry.h | 2 | ||||
| -rw-r--r-- | src/industry_cmd.cpp | 49 | ||||
| -rw-r--r-- | src/saveload.cpp | 2 |
6 files changed, 97 insertions, 27 deletions
diff --git a/src/date.cpp b/src/date.cpp index 0e99e314a..180781ce5 100644 --- a/src/date.cpp +++ b/src/date.cpp @@ -159,7 +159,7 @@ Date ConvertYMDToDate(Year year, Month month, Day day) extern void WaypointsDailyLoop(); extern void EnginesDailyLoop(); extern void DisasterDailyLoop(); - +extern void IndustryDailyLoop(); extern void PlayersMonthlyLoop(); extern void EnginesMonthlyLoop(); extern void TownsMonthlyLoop(); @@ -229,6 +229,7 @@ void IncreaseDate() DisasterDailyLoop(); WaypointsDailyLoop(); + IndustryDailyLoop(); if (_game_mode != GM_MENU) { InvalidateWindowWidget(WC_STATUS_BAR, 0, 0); diff --git a/src/economy.cpp b/src/economy.cpp index ee9ada24b..a80ea602d 100644 --- a/src/economy.cpp +++ b/src/economy.cpp @@ -786,6 +786,27 @@ void SetPriceBaseMultiplier(uint price, byte factor) price_base_multiplier[price] = factor; } +/** + * Initialize the variables that will maintain the daily industry change system. + * @param init_counter specifies if the counter is required to be initialized + */ +static void StartupIndustryDailyChanges(bool init_counter) +{ + uint map_size = MapLogX() + MapLogY(); + /* After getting map size, it needs to be scaled appropriately and divided by 31, + * which stands for the days in a month. + * Using just 31 will make it so that a monthly reset (based on the real number of days of that month) + * would not be needed. + * Since it is based on "fractionnal parts", the leftover days will not make much of a difference + * on the overall total number of changes performed */ + _economy.industry_daily_increment = (1 << map_size) / 31; + + if (init_counter) { + /* A new game or a savegame from an older version will require the counter to be initialized */ + _economy.industry_daily_change_counter = 0; + } +} + void StartupEconomy() { int i; @@ -816,6 +837,9 @@ void StartupEconomy() _economy.infl_amount_pr = max(0, _settings_game.difficulty.initial_interest - 1); _economy.max_loan_unround = _economy.max_loan = _settings_game.difficulty.max_loan; _economy.fluct = GB(Random(), 0, 8) + 168; + + StartupIndustryDailyChanges(true); // As we are starting a new game, initialize the counter too + } void ResetEconomy() @@ -1924,27 +1948,35 @@ static void SaveLoad_CAPR() } static const SaveLoad _economy_desc[] = { - SLE_CONDVAR(Economy, max_loan, SLE_FILE_I32 | SLE_VAR_I64, 0, 64), - SLE_CONDVAR(Economy, max_loan, SLE_INT64, 65, SL_MAX_VERSION), - SLE_CONDVAR(Economy, max_loan_unround, SLE_FILE_I32 | SLE_VAR_I64, 0, 64), - SLE_CONDVAR(Economy, max_loan_unround, SLE_INT64, 65, SL_MAX_VERSION), - SLE_CONDVAR(Economy, max_loan_unround_fract, SLE_UINT16, 70, SL_MAX_VERSION), - SLE_VAR(Economy, fluct, SLE_INT16), - SLE_VAR(Economy, interest_rate, SLE_UINT8), - SLE_VAR(Economy, infl_amount, SLE_UINT8), - SLE_VAR(Economy, infl_amount_pr, SLE_UINT8), + SLE_CONDVAR(Economy, max_loan, SLE_FILE_I32 | SLE_VAR_I64, 0, 64), + SLE_CONDVAR(Economy, max_loan, SLE_INT64, 65, SL_MAX_VERSION), + SLE_CONDVAR(Economy, max_loan_unround, SLE_FILE_I32 | SLE_VAR_I64, 0, 64), + SLE_CONDVAR(Economy, max_loan_unround, SLE_INT64, 65, SL_MAX_VERSION), + SLE_CONDVAR(Economy, max_loan_unround_fract, SLE_UINT16, 70, SL_MAX_VERSION), + SLE_VAR(Economy, fluct, SLE_INT16), + SLE_VAR(Economy, interest_rate, SLE_UINT8), + SLE_VAR(Economy, infl_amount, SLE_UINT8), + SLE_VAR(Economy, infl_amount_pr, SLE_UINT8), + SLE_CONDVAR(Economy, industry_daily_change_counter, SLE_UINT32, 102, SL_MAX_VERSION), SLE_END() }; /** Economy variables */ -static void SaveLoad_ECMY() +static void Save_ECMY() +{ + SlObject(&_economy, _economy_desc); +} + +/** Economy variables */ +static void Load_ECMY() { SlObject(&_economy, _economy_desc); + StartupIndustryDailyChanges(CheckSavegameVersion(102)); // old savegames will need to be initialized } extern const ChunkHandler _economy_chunk_handlers[] = { { 'PRIC', SaveLoad_PRIC, SaveLoad_PRIC, CH_RIFF | CH_AUTO_LENGTH}, { 'CAPR', SaveLoad_CAPR, SaveLoad_CAPR, CH_RIFF | CH_AUTO_LENGTH}, { 'SUBS', Save_SUBS, Load_SUBS, CH_ARRAY}, - { 'ECMY', SaveLoad_ECMY, SaveLoad_ECMY, CH_RIFF | CH_LAST}, + { 'ECMY', Save_ECMY, Load_ECMY, CH_RIFF | CH_LAST}, }; diff --git a/src/economy_type.h b/src/economy_type.h index f516e57ef..0b7b581d3 100644 --- a/src/economy_type.h +++ b/src/economy_type.h @@ -12,13 +12,15 @@ typedef OverflowSafeInt64 Money; struct Economy { - Money max_loan; ///< Maximum possible loan - Money max_loan_unround; ///< Economy fluctuation status - uint16 max_loan_unround_fract; ///< Fraction of the unrounded max loan + Money max_loan; ///< Maximum possible loan + Money max_loan_unround; ///< Economy fluctuation status + uint16 max_loan_unround_fract; ///< Fraction of the unrounded max loan int16 fluct; - byte interest_rate; ///< Interest - byte infl_amount; ///< inflation amount - byte infl_amount_pr; ///< inflation rate for payment rates + byte interest_rate; ///< Interest + byte infl_amount; ///< inflation amount + byte infl_amount_pr; ///< inflation rate for payment rates + uint32 industry_daily_change_counter; ///< Bits 31-16 are number of industry to be performed, 15-0 are fractional collected daily + uint32 industry_daily_increment; ///< The value which will increment industry_daily_change_counter. Computed value. NOSAVE }; struct Subsidy { diff --git a/src/industry.h b/src/industry.h index 59a1b932c..f89cf0477 100644 --- a/src/industry.h +++ b/src/industry.h @@ -260,6 +260,8 @@ static inline IndustryGfx GetTranslatedIndustryTileID(IndustryGfx gfx) /* smallmap_gui.cpp */ void BuildIndustriesLegend(); +/* industry_cmd.cpp */ +void SetIndustryDailyChanges(); /** * Check if an Industry exists whithin the pool of industries 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 */ diff --git a/src/saveload.cpp b/src/saveload.cpp index b4bc4b919..01f6f6bf4 100644 --- a/src/saveload.cpp +++ b/src/saveload.cpp @@ -37,7 +37,7 @@ #include "table/strings.h" -extern const uint16 SAVEGAME_VERSION = 101; +extern const uint16 SAVEGAME_VERSION = 102; SavegameType _savegame_type; ///< type of savegame we are loading |