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/* $Id$ */
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/** @file economy.cpp */
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#include "stdafx.h"
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#include "openttd.h"
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#include "currency.h"
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@@ -35,7 +37,7 @@
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#include "date.h"
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#include "cargotype.h"
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// Score info
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/* Score info */
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const ScoreInfo _score_info[] = {
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{ SCORE_VEHICLES, 120, 100 },
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{ SCORE_STATIONS, 80, 100 },
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@@ -90,8 +92,12 @@ int64 CalculateCompanyValue(const Player
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return max(value, 1LL);
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}
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// if update is set to true, the economy is updated with this score
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// (also the house is updated, should only be true in the on-tick event)
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/** if update is set to true, the economy is updated with this score
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* (also the house is updated, should only be true in the on-tick event)
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* @param update the economy with calculated score
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* @param p player been evaluated
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* @return actual score of this player
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* */
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int UpdateCompanyRatingAndValue(Player *p, bool update)
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{
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byte owner = p->index;
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@@ -209,15 +215,15 @@ int UpdateCompanyRatingAndValue(Player *
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_score_part[owner][SCORE_LOAN] = _score_info[SCORE_LOAN].needed - p->current_loan;
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}
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// Now we calculate the score for each item..
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/* Now we calculate the score for each item.. */
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{
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int total_score = 0;
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int s;
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score = 0;
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for (ScoreID i = SCORE_BEGIN; i < SCORE_END; i++) {
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// Skip the total
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/* Skip the total */
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if (i == SCORE_TOTAL) continue;
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// Check the score
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/* Check the score */
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s = (_score_part[owner][i] >= _score_info[i].needed) ?
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_score_info[i].score :
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_score_part[owner][i] * _score_info[i].score / _score_info[i].needed;
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@@ -228,7 +234,7 @@ int UpdateCompanyRatingAndValue(Player *
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_score_part[owner][SCORE_TOTAL] = score;
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// We always want the score scaled to SCORE_MAX (1000)
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/* We always want the score scaled to SCORE_MAX (1000) */
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if (total_score != SCORE_MAX) score = score * SCORE_MAX / total_score;
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}
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@@ -242,7 +248,7 @@ int UpdateCompanyRatingAndValue(Player *
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return score;
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}
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// use PLAYER_SPECTATOR as new_player to delete the player.
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/* use PLAYER_SPECTATOR as new_player to delete the player. */
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void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player)
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{
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Town *t;
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@@ -294,7 +300,7 @@ void ChangeOwnershipOfPlayerItems(Player
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int num_aircraft = 0;
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Vehicle *v;
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// Determine Ids for the new vehicles
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/* Determine Ids for the new vehicles */
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FOR_ALL_VEHICLES(v) {
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if (v->owner == new_player) {
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switch (v->type) {
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@@ -328,7 +334,7 @@ void ChangeOwnershipOfPlayerItems(Player
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}
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}
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// Change ownership of tiles
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/* Change ownership of tiles */
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{
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TileIndex tile = 0;
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do {
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@@ -368,7 +374,7 @@ static void PlayersCheckBankrupt(Player
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PlayerID owner;
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int64 val;
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// If the player has money again, it does not go bankrupt
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/* If the player has money again, it does not go bankrupt */
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if (p->player_money >= 0) {
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p->quarters_of_bankrupcy = 0;
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return;
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@@ -392,8 +398,8 @@ static void PlayersCheckBankrupt(Player
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break;
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}
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// Check if the company has any value.. if not, declare it bankrupt
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// right now
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/* Check if the company has any value.. if not, declare it bankrupt
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* right now */
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val = CalculateCompanyValue(p);
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if (val > 0) {
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p->bankrupt_value = val;
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@@ -401,13 +407,13 @@ static void PlayersCheckBankrupt(Player
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p->bankrupt_timeout = 0;
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break;
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}
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// Else, falltrue to case 4...
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/* Else, falltrue to case 4... */
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}
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case 4: {
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// Close everything the owner has open
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/* Close everything the owner has open */
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DeletePlayerWindows(owner);
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// Show bankrupt news
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/* Show bankrupt news */
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SetDParam(0, p->name_1);
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SetDParam(1, p->name_2);
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AddNewsItem( (StringID)(owner | NB_BBANKRUPT), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
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@@ -693,55 +699,55 @@ static byte _price_category[NUM_PRICES]
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};
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static const int32 _price_base[NUM_PRICES] = {
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100, // station_value
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100, // build_rail
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95, // build_road
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65, // build_signals
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275, // build_bridge
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600, // build_train_depot
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500, // build_road_depot
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700, // build_ship_depot
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450, // build_tunnel
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200, // train_station_track
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180, // train_station_length
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600, // build_airport
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200, // build_bus_station
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200, // build_truck_station
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350, // build_dock
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400000, // build_railvehicle
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2000, // build_railwagon
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700000, // aircraft_base
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14000, // roadveh_base
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65000, // ship_base
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20, // build_trees
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250, // terraform
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20, // clear_1
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40, // purchase_land
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200, // clear_2
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500, // clear_3
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20, // remove_trees
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-70, // remove_rail
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10, // remove_signals
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50, // clear_bridge
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80, // remove_train_depot
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80, // remove_road_depot
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90, // remove_ship_depot
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30, // clear_tunnel
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10000, // clear_water
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50, // remove_rail_station
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30, // remove_airport
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50, // remove_bus_station
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50, // remove_truck_station
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55, // remove_dock
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1600, // remove_house
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40, // remove_road
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5600, // running_rail[0] railroad
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5200, // running_rail[1] monorail
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4800, // running_rail[2] maglev
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9600, // aircraft_running
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1600, // roadveh_running
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5600, // ship_running
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1000000, // build_industry
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100, ///< station_value
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100, ///< build_rail
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95, ///< build_road
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65, ///< build_signals
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275, ///< build_bridge
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600, ///< build_train_depot
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500, ///< build_road_depot
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700, ///< build_ship_depot
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450, ///< build_tunnel
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200, ///< train_station_track
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180, ///< train_station_length
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600, ///< build_airport
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200, ///< build_bus_station
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200, ///< build_truck_station
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350, ///< build_dock
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400000, ///< build_railvehicle
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2000, ///< build_railwagon
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700000, ///< aircraft_base
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14000, ///< roadveh_base
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65000, ///< ship_base
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20, ///< build_trees
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250, ///< terraform
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20, ///< clear_1
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40, ///< purchase_land
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200, ///< clear_2
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500, ///< clear_3
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20, ///< remove_trees
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-70, ///< remove_rail
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10, ///< remove_signals
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50, ///< clear_bridge
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80, ///< remove_train_depot
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80, ///< remove_road_depot
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90, ///< remove_ship_depot
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30, ///< clear_tunnel
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10000, ///< clear_water
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50, ///< remove_rail_station
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30, ///< remove_airport
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50, ///< remove_bus_station
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50, ///< remove_truck_station
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55, ///< remove_dock
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1600, ///< remove_house
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40, ///< remove_road
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5600, ///< running_rail[0] railroad
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5200, ///< running_rail[1] monorail
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4800, ///< running_rail[2] maglev
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9600, ///< aircraft_running
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1600, ///< roadveh_running
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5600, ///< ship_running
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1000000, ///< build_industry
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};
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static byte price_base_multiplier[NUM_PRICES];
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@@ -753,7 +759,7 @@ void ResetPriceBaseMultipliers(void)
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{
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uint i;
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// 8 means no multiplier.
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/* 8 means no multiplier. */
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for (i = 0; i < NUM_PRICES; i++)
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price_base_multiplier[i] = 8;
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}
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@@ -928,7 +934,7 @@ static void FindSubsidyCargoRoute(FoundR
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fr->from = i = GetRandomIndustry();
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if (i == NULL) return;
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// Randomize cargo type
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/* Randomize cargo type */
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if (Random()&1 && i->produced_cargo[1] != CT_INVALID) {
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cargo = i->produced_cargo[1];
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trans = i->pct_transported[1];
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@@ -939,28 +945,28 @@ static void FindSubsidyCargoRoute(FoundR
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total = i->total_production[0];
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}
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// Quit if no production in this industry
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// or if the cargo type is passengers
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// or if the pct transported is already large enough
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/* Quit if no production in this industry
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* or if the cargo type is passengers
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* or if the pct transported is already large enough */
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if (total == 0 || trans > 42 || cargo == CT_INVALID || cargo == CT_PASSENGERS)
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return;
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fr->cargo = cargo;
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if (cargo == CT_GOODS || cargo == CT_FOOD) {
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// The destination is a town
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/* The destination is a town */
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Town *t = GetRandomTown();
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// Only want big towns
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/* Only want big towns */
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if (t == NULL || t->population < 900) return;
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fr->distance = DistanceManhattan(i->xy, t->xy);
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fr->to = t;
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} else {
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// The destination is an industry
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/* The destination is an industry */
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Industry *i2 = GetRandomIndustry();
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// The industry must accept the cargo
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/* The industry must accept the cargo */
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if (i == i2 || i == NULL ||
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(cargo != i2->accepts_cargo[0] &&
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cargo != i2->accepts_cargo[1] &&
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@@ -1018,9 +1024,9 @@ static void SubsidyMonthlyHandler(void)
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}
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}
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// 25% chance to go on
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/* 25% chance to go on */
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if (CHANCE16(1,4)) {
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// Find a free slot
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/* Find a free slot*/
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s = _subsidies;
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while (s->cargo_type != CT_INVALID) {
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if (++s == endof(_subsidies))
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@@ -1124,10 +1130,10 @@ static void DeliverGoodsToIndustry(TileI
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Industry* ind;
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uint u;
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// Check if there's an industry close to the station that accepts the cargo
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// XXX - Think of something better to
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// 1) Only deliver to industries which are withing the catchment radius
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// 2) Distribute between industries if more then one is present
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/* Check if there's an industry close to the station that accepts the cargo
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* XXX - Think of something better to
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* 1) Only deliver to industries which are withing the catchment radius
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* 2) Distribute between industries if more then one is present */
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u = (_patches.station_spread + 8) * 2;
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FOR_ALL_INDUSTRIES(ind) {
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uint t;
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@@ -1158,7 +1164,7 @@ static bool CheckSubsidised(Station *fro
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Pair pair;
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Player *p;
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// check if there is an already existing subsidy that applies to us
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/* check if there is an already existing subsidy that applies to us */
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for (s = _subsidies; s != endof(_subsidies); s++) {
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if (s->cargo_type == cargo_type &&
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s->age >= 12 &&
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@@ -1227,31 +1233,31 @@ static int32 DeliverGoods(int num_pieces
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assert(num_pieces > 0);
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// Update player statistics
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/* Update player statistics */
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{
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Player *p = GetPlayer(_current_player);
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p->cur_economy.delivered_cargo += num_pieces;
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SETBIT(p->cargo_types, cargo_type);
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}
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// Get station pointers.
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/* Get station pointers. */
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s_from = GetStation(source);
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s_to = GetStation(dest);
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// Check if a subsidy applies.
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/* Check if a subsidy applies. */
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subsidised = CheckSubsidised(s_from, s_to, cargo_type);
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// Increase town's counter for some special goods types
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/* Increase town's counter for some special goods types */
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if (cargo_type == CT_FOOD) s_to->town->new_act_food += num_pieces;
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if (cargo_type == CT_WATER) s_to->town->new_act_water += num_pieces;
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// Give the goods to the industry.
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/* Give the goods to the industry. */
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DeliverGoodsToIndustry(s_to->xy, cargo_type, num_pieces);
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// Determine profit
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/* Determine profit */
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profit = GetTransportedGoodsIncome(num_pieces, DistanceManhattan(source_tile, s_to->xy), days_in_transit, cargo_type);
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// Modify profit if a subsidy is in effect
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/* Modify profit if a subsidy is in effect */
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if (subsidised) {
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switch (_opt.diff.subsidy_multiplier) {
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case 0: profit += profit >> 1; break;
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@@ -1377,10 +1383,10 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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CLRBIT(u->load_status, LS_LOADING_FINISHED);
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if (v->cargo_source != last_visited && ge->waiting_acceptance & 0x8000 && !(u->current_order.flags & OF_TRANSFER)) {
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// deliver goods to the station
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/* deliver goods to the station */
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st->time_since_unload = 0;
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unloading_time += v->cargo_count; /* TTDBUG: bug in original TTD */
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unloading_time += v->cargo_count; // TTDBUG: bug in original TTD
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if (just_arrived && v->cargo_paid_for < v->cargo_count) {
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profit += DeliverGoods(v->cargo_count - v->cargo_paid_for, v->cargo_type, v->cargo_source, last_visited, v->cargo_source_xy, v->cargo_days);
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v->cargo_paid_for = v->cargo_count;
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@@ -1406,12 +1412,12 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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unloading_time += v->cargo_count;
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t = GB(ge->waiting_acceptance, 0, 12);
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if (t == 0) {
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// No goods waiting at station
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/* No goods waiting at station */
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ge->enroute_time = v->cargo_days;
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ge->enroute_from = v->cargo_source;
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ge->enroute_from_xy = v->cargo_source_xy;
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} else {
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// Goods already waiting at station. Set counters to the worst value.
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/* Goods already waiting at station. Set counters to the worst value. */
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if (v->cargo_days >= ge->enroute_time) ge->enroute_time = v->cargo_days;
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if (last_visited != ge->enroute_from) {
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@@ -1419,7 +1425,7 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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ge->enroute_from_xy = v->cargo_source_xy;
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}
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}
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// Update amount of waiting cargo
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/* Update amount of waiting cargo */
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SB(ge->waiting_acceptance, 0, 12, min(amount_unloaded + t, 0xFFF));
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if (u->current_order.flags & OF_TRANSFER) {
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@@ -1453,12 +1459,12 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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default: t = u->max_speed; break;
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}
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// if last speed is 0, we treat that as if no vehicle has ever visited the station.
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/* if last speed is 0, we treat that as if no vehicle has ever visited the station. */
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ge->last_speed = min(t, 255);
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ge->last_age = _cur_year - v->build_year;
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// If there's goods waiting at the station, and the vehicle
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// has capacity for it, load it on the vehicle.
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/* If there's goods waiting at the station, and the vehicle
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* has capacity for it, load it on the vehicle. */
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if (count != 0 &&
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(cap = v->cargo_cap - v->cargo_count) != 0) {
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int cargoshare;
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@@ -1475,7 +1481,7 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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* loading them. Since this will cause
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* VEHICLE_TRIGGER_EMPTY to be called at the time when
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* the whole vehicle chain is really totally empty, the
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* @completely_empty assignment can then be safely
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* completely_empty assignment can then be safely
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* removed; that's how TTDPatch behaves too. --pasky */
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completely_empty = false;
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anything_loaded = true;
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@@ -1492,7 +1498,7 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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unloading_time += cap;
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st->time_since_load = 0;
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// And record the source of the cargo, and the days in travel.
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/* And record the source of the cargo, and the days in travel. */
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v->cargo_source = ge->enroute_from;
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v->cargo_source_xy = ge->enroute_from_xy;
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v->cargo_days = ge->enroute_time;
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@@ -1523,7 +1529,7 @@ int LoadUnloadVehicle(Vehicle *v, bool j
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}
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if (v->type == VEH_Train) {
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// Each platform tile is worth 2 rail vehicles.
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/* Each platform tile is worth 2 rail vehicles. */
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int overhang = v->u.rail.cached_total_length - st->GetPlatformLength(v->tile) * TILE_SIZE;
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if (overhang > 0) {
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unloading_time <<= 1;
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@@ -1565,7 +1571,7 @@ void PlayersMonthlyLoop(void)
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if (_patches.inflation && _cur_year < MAX_YEAR)
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AddInflation();
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PlayersPayInterest();
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// Reset the _current_player flag
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/* Reset the _current_player flag */
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_current_player = OWNER_NONE;
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HandleEconomyFluctuations();
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SubsidyMonthlyHandler();
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@@ -1582,7 +1588,7 @@ static void DoAcquireCompany(Player *p)
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SetDParam(2, p->bankrupt_value);
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AddNewsItem( (StringID)(_current_player | NB_BMERGER), NEWS_FLAGS(NM_CALLBACK, 0, NT_COMPANY_INFO, DNC_BANKRUPCY),0,0);
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|
// original code does this a little bit differently
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|
|
/* original code does this a little bit differently */
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|
|
PlayerID pi = p->index;
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|
ChangeOwnershipOfPlayerItems(pi, _current_player);
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|
@@ -1679,7 +1685,7 @@ int32 CmdSellShareInCompany(TileIndex ti
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|
|
if (flags & DC_EXEC) {
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|
PlayerByte* b = p->share_owners;
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|
while (*b != _current_player) b++; /* share owners is guaranteed to contain player */
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|
while (*b != _current_player) b++; // share owners is guaranteed to contain player
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|
*b = PLAYER_SPECTATOR;
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|
|
InvalidateWindow(WC_COMPANY, p1);
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|
}
|
|
@@ -1712,14 +1718,14 @@ int32 CmdBuyCompany(TileIndex tile, uint
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|
return p->bankrupt_value;
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|
|
}
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|
|
// Prices
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|
/** Prices */
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|
|
static void SaveLoad_PRIC(void)
|
|
|
{
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|
|
SlArray(&_price, NUM_PRICES, SLE_INT32);
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|
|
SlArray(&_price_frac, NUM_PRICES, SLE_UINT16);
|
|
|
}
|
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|
|
// Cargo payment rates
|
|
|
/** Cargo payment rates */
|
|
|
static void SaveLoad_CAPR(void)
|
|
|
{
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|
|
SlArray(&_cargo_payment_rates, NUM_CARGO, SLE_INT32);
|
|
@@ -1736,7 +1742,7 @@ static const SaveLoad _economy_desc[] =
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|
|
SLE_END()
|
|
|
};
|
|
|
|
|
|
// Economy variables
|
|
|
/** Economy variables */
|
|
|
static void SaveLoad_ECMY(void)
|
|
|
{
|
|
|
SlObject(&_economy, _economy_desc);
|